Samsung PS42C6HX Schematic

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DTV Ready PDP TV
Supreme Picture Quality Supreme Convenience Quality
RF, HDMI, 2 Scart, PC (Analog), Component, Video, S-Video
Slim line design
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PS-42C6H
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Refer to the service manual in the GSPN (see the rear cover) for the more information.
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This Service Manual is a property of Samsung Electronics Co.,Ltd. Any unauthorized use of Manual can be punished under applicable International and/or domestic law.
© Samsung Electronics Co., Ltd. May. 2005
Printed in Korea
AA82-04680A
Area Web Site North America service.samsungportal.com Latin America latin.samsungportal.com CIS cis.samsungportal.com Europe europe.samsungportal.com China china.samsungportal.com Asia asia.samsungportal.com Mideast & Africa mea.samsungportal.com
GSPN (Global Service Partner Network)
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Table of Contents
Chapter 1 Precaution
1-1 Safety Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
1-2 Servicing Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
1-3 Static Electricity Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
1-4 Installation Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5
Chapter 2 Product Specification
2-1 Product Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1
2-2 Key Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2
2-3 Specifications Analysis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4
2-4 Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-5
Chapter 3 Alignment & Adjustment
3-1 Service Instruction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1
3-2 How to Access Service Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2
3-3 Factory Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3
3-4 Service Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-8
3-5 Software Upgrade . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-11
3-6 Replacements & Calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-12
Chapter 4 Exploded View & Part List
4-1 PS42C6HX/XEC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1
Chapter 5 Electrical Part List
5-1 PS42C6HX/XEC Service Item . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1
Chapter 6 Troubleshooting
6-1 First Checklist for Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-1
6-2 Checkpoints by Error Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-2
6-3 Troubleshooting Procedures by ASS'Y . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-13
Chapter 7 Block Diagram
7-1 Overall Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-1
7-2 Partial Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-3
Chapter 8 Wiring Diagram
8-1 Overall Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-1
8-2 Partial Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-2
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Chapter 9 PCB Diagram
9-1 Main Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-1
9-2 Power & IR Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-4
9-3 Function Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-4
9-4 Main SMPS Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-5
9-5 DC-DC SMPS Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-6
9-6 PDP Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-7
Chapter 10 Schematic Diagram
10-1 Analog . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-1
Chapter 11 Operation Instruction & Installation
11-1 Product Features and Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-1
11-2 Installation Notes and Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-4
Chapter 12 Disassembly & Reassembly
12-1 Overhaul Disassembly & Reassembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-1
Chapter 13 Circuit Description
13-1 Power ON/OFF Signal Timing Sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-1
13-2 Partial Block Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-2
Chapter 14 Reference Information
14-1 Other issues related to other products . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14-1
14-2 Technical Terms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14-3
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Alignment & Adjustment
Samsung Electronics 3-1
3. Alignment & Adjustment
3-1 Service Instruction
Before Performing After Sales Services
1. Check if the measurement and test equipment is working properly.
2. Secure sufficient work space for disassembling the product.
3. Prepare a soft pad for disassembling the product.
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Alignment & Adjustment
3-2 Samsung Electronics
3-2 How to Access Service Mode
1. General Remote To Enter : Power Off → INFO → MENU → MUTE → Power On
(Interval between key strokes : less than 3 sec)
To Exit : Power Off → ON
2. Factory Remote To Enter : Power On → INFO → FACTORY Key (Interval between key strokes : less than 3 sec) To Exit : Power Off → On
Press the Factory key twice with a key stroke interval of more than 1 second (Pressing once enters Aging Mode)
3. Settings when entering Factory mode
- Sharp Screen (Dynamic), Color Tone (Cool1), Factory (Dynamic CE Off)
4. Adjustment Procedures
- Channel ▲▼Key : Select an item.
- Volume ◀▶ Key : Adjust the value up or down.
- MENU Key : Save the changes to the EEPROM and return to the higher-level mode.
- Using the Numeric (0~9) keys, you can select a channel.
- Using the SOURCE key, you can switch AV modes.
5. Initial SERVICE MODE DISPLAY State
The version of the firmware displayed at the bottom of the screen may differ and the firmware is subject to change for the
improvement of product functions.
If you have adjusted the settings in Service Mode, you have to reset the product.
1. Calibration
2. Option Table XXXX XXXX
3. White Balance
4. SVP-FX
5. Option Block
6. STV8257/STA323W
7. YC Delay
8. Adjust
9. -----
10. W/B MOVIE
11. Checksum
12. Reset
13. ----­T-AUD42PEUH-XXXX (Main Micom Ver) T-AUD42PEUHS-XXXX (Sub Micom Ver) Month / Day / Year / Hour / Min. / Sec.
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Alignment & Adjustment
Samsung Electronics 3-3
1. Calibration : W/B Calibration AV Calibration
DTV Calibration PC Calibration HDMI Calibration
2. Option Table : Setting option Blue Eye : OFF
Gamma : OFF Logic D/L : OFF Auto Power : ON Dynamic CE : OFF EnergySave : OFF LBE/FBE : ON FRC-Micronas : OFF FRC-Samsung : OFF LNA : OFF Carrier Mute : ON Language : English Auto FM : ON High Deviation : OFF TTX : ON TTX List : Flof Dynamic AslGain: OFF Tuner TOP : 8 TTX Group : Auto TTX Level : L1.5 PS Test : MIN LED OnTime : 10 LED OffTime : 0 Debug : Smart Ch. Table : SUWON iDTV Country : UK ACR : OFF
3. White Balance : Adjustment White Balance
( Range 0~255 )
Sub Bright : 128 R off set : 128 G off set : 128 B off set : 128 Sub contrast : 128 R gain : 128 G gain : 128 B gain : 128
1. Calibration
2. Option T
able XXXX XXXX
3. White Balance
4. SVP-FX
5. Option Block
6. STV8257/STA323W
7. YC Delay
8. Adjust
9. -----
10. W/B MOVIE
11. Checksum
12. Reset
13. ----­T-AUD42PEUH-XXXX (Main Micom Ver) T-AUD42PEUHS-XXXX (Sub Micom Ver) Month / Day / Year / Hour / Min. / Sec.
3-3 Factory Data
The underlined are items applied during the service adjustment. None of the others should be adjusted.
Page 8
Alignment & Adjustment
3-4 Samsung Electronics
4.
SVP-PX
:
SVP-PX Correct Register ComB Filter : Y-Filter - 80H Sharpness : RF/AV COMP PC HDMI
H2Gain 0DH 10H 10H 08H
H4Gain 04H 04H 04H 00H
V2Gain 0CH 10H 10H 08H
V4Gain 04H 04H 04H 04H
Sr2Gain 00H 00H 00H 00H
Sr4Gain 00H 00H 00H 00H
SI2Gain 00H 00H 00H 00H
SI4Gain 00H 00H 00H 00H
Peakth1 00H 00H 00H 00H
Peakth2 80H 80H 80H 80H
Peakth3 00H 00H 00H 00H NR : YNROFF 80H
CNROFF 80H
YNRON 80H
CNRON 80H RGB Calibration : RF/AV COMP PC HDMI
R-Offset 4EH 4BH 48H 3BH
G-Offset 4EH 4BH 48H 3BH
B-Offset 4EH 4BH 48H 3BH
R-Gain 7CH 7BH 80H 9DH
G-Gain 7CH 7BH 80H 9DH
B-Gain 7CH 7BH 80H 9DH ADC Calibration : RF/AV COMP PC HDMI
TCD3 Contrast 84H 78H 78H 78H
TCD3 Brightness 23H 20H 20H 20H
TCD3 CR 80H 80H 80H 80H
TCD3 CB 80H 80H 80H 80H
TCD3 Delay 00H 00H 00H 00H
Analog Y Offset 40H 40H 42H 40H
Analog PB Offset 80H 80H 39H 80H
Analog PR Offset 80H 80H 39H 80H
Analog Y Gain D6H CBH CFH D6H
Analog PB Gain FEH 9AH 80H FEH
Analog PR Gain FEH 9AH 80H FEH
Black Level 00H 00H 00H 00H
SVP Brightness 00H 00H 00H 00H Calibration Target : low high delta
AV ADC 10H F8H 04H
COMPADC 10H F8H 04H
PC ADC 04H F8H 04H
ALL RGB 04H F8H 10H
1. Calibration
2. Option
Table XXXX XXXX
3. White Balance
4. SVP-FX
5. Option Block
6. STV8257/STA323W
7. YC Delay
8. Adjust
9. -----
10. W/B MOVIE
11. Checksum
12. Reset
13. ----­T-AUD42PEUH-XXXX (Main Micom Ver) T-AUD42PEUHS-XXXX (Sub Micom Ver) Month / Day / Year / Hour / Min. / Sec.
Page 9
Alignment & Adjustment
Samsung Electronics 3-5
5. Option Block FRC-Micronas
FRC-Samsung LBE/FBE : Test Pattern 00H
Black Stretch Tilt 50H Black Stretch Gain 55H Black Stretch Ratio 33H Skin En 01H Skin Gain 80H Skin T X 70H Skin T Y 64H White En 00H MCM Gain 80H White T X 4FH White T Y 54H CHY Gain1 3EH CHY Gain2 42H CHC Gain1 40H CHC Gain2 40H CHM Gain1 3DH CHM Gain2 45H ColorGain TY 00H ColorGain TC 00H ColorGain TM 00H Color Gain 80H Input RGB Gain 80H Input RGB Offset 00H
6. STV8257/STA323W : Sound IC Correct Register Ch1 Volume : 55H
Ch2 Volume : 55H AGC Gain : 07H AM Prescale : 00H ZWT TH : 0AH AV Delay : 55H Comp Delay : 32H HDMI Delay : 32H PC Delay : 32H L1 Att/Rel Th : EFH
1. Calibration
2. Option
Table XXXX XXXX
3. White Balance
4. SVP-FX
5. Option Block
6. STV8257/STA323W
7. YC Delay
8. Adjust
9. -----
10. W/B MOVIE
11. Checksum
12. Reset
13. ----­T-AUD42PEUH-XXXX (Main Micom Ver) T-AUD42PEUHS-XXXX (Sub Micom Ver) Month / Day / Year / Hour / Min. / Sec.
Page 10
Alignment & Adjustment
3-6 Samsung Electronics
1. Calibration
2. Option
Table XXXX XXXX
3. White Balance
4. SVP-FX
5. Option Block
6. STV8257/STA323W
7. YC Delay
8. Adjust
9. -----
10. W/B MOVIE
11. Checksum
12. Reset
13. ----­T-AUD42PEUH-XXXX (Main Micom Ver) T-AUD42PEUHS-XXXX (Sub Micom Ver) Month / Day / Year / Hour / Min. / Sec.
7. YC Delay PALB/G : 99H
PAK D/K : 88H PALI : 88H SECAM B/G : 88H SECAM D/K : 77H SECAM L/L' : 66H NTSC 3.58 : 96H NTSC 4.43 : CCH AV PAL : A 9H AV SECAM : 66H AV NT3.58 : 98H AV NT4.43 : CCH AV PAL60 : 77H
8. Adjust V Mute Time : 10
Melody Volume : 9 Ana_Dimm_Max : FEH TTX Contrast : 50 TTX Brightness : 50 TTX Color : 50 Dynamic Contrast : 100 Dynamic Sharpness : 60 Standard Contrast : 90 Standard Brightness : 80 Standard Color : 70 Standard Sharpness : 70 Movie Contrast : 60 Movie Brightness : 50 Movie Color : 50 Movie Sharpness : 40
LNAPLUS : RFDB-1 Level 2
RFDB-2 Level 5 RFDB-3 Level 9 RFDB-4 Level 24
Hotel Option : Hotel Mode OFF
PWR On CH 1 PWR On Vol. 10 Max Volume 100 L.Key Lock OFF PWR On Src RF
9. -----
Page 11
Alignment & Adjustment
Samsung Electronics 3-7
1. Calibration
2. Option
Table XXXX XXXX
3. White Balance
4. SVP-FX
5. Option Block
6. STV8257/STA323W
7. YC Delay
8. Adjust
9. -----
10. W/B MOVIE
11. Checksum
12. Reset
13. ----­T-AUD42PEUH-XXXX (Main Micom Ver) T-AUD42PEUHS-XXXX (Sub Micom Ver) Month / Day / Year / Hour / Min. / Sec.
10. W/B MOVIE RF/AV COMP PC HDMI
WB Movie OFF OFF OFF OFF Color Mode Movie Movie Movie Movie Color Tone Warm2 Warm2 Warm2 Warm2 W1 R Gain 130 129 130 134 W1 B Gain 117 118 119 120 W1 R Offset 138 137 138 138 W1 B Offset 119 114 115 122 W2 R Gain 132 133 134 136 W2 B Gain 115 114 115 116 W2 R Offset 141 140 141 141 W2 B Offset 115 112 113 116 Movie Contrast 70 70 70 70 Movie Brightness 50 50 50 50 Movie Color 45 45 45 45 Movie Sharpness 25 25 25 25
11. Checksum
12. Reset
13. -----
Page 12
Alignment & Adjustment
3-8 Samsung Electronics
3-4 Service Adjustment
3-4-1 White Balance - Calibration
If picture color is wrong, do calibration first. Execute calibration in Factory Mode
1. Source : VIDEO
2. Setting Mode : PALVideo (MODE : #2)
3. Pattern : Pattern #24 (Chess Pattern)
4. Use Equipment : K-7256 or Equipment of equality level
5. Work order
1) Enter by Factory Mode select "1.CALIBRATION".
2) Select "AV CALIBRATION" again in CALIBRAION MENU.
3) After Completing Calibration, come out "Av success". OSD on the screen (bottom-side) for about 3 seconds.
Source AV : PALcomposite, Component : 1280*720/60Hz
PC : 1024*768/60Hz
( Chess Pattern )
Page 13
Alignment & Adjustment
Samsung Electronics 3-9
3-4-2 White Balance - Adjustment
If picture color is wrong, check White Balance condition. Equipment : CA210, Patten : Toshiba
Adjust W/B in Factory Mode Sub brightness and R/G/B Offset controls low light region
Sub contrast and R/G/B Gain controls high light region Source AV : PAL composite, Component : 1280*720/60Hz,
HDMI[DVI] : 1280*720/60Hz
[ Test Pattern : MSPG-945 Series Pattern #16 ]
* Color temperature
1500K +/-500, -6 ~-20 MPCD
* Color coordinate
H/L : 270/280 +/- 2 L/L : 270/280 +/- 3, 2.1 Ft +/-0.05 Ft
( SAMSUNG WHITE BALANCE Adjustment PATTERN with FPD )
3-4-3 Conditions for Measurement
1. On the basis of toshiba ABLpattern : High Light level (57 IRE)
- INPUT SIGNALGENERATOR : MSPG-925LTH * Mode No 2 : 744X484@60 Hz
No 6 : 1280X720@60 Hz No 21 : 1024X768@60 Hz
* Pattern No 36 : 16 Color Pattern
No 16 : Toshiba ABLPattern
2. Optical measuring device : CA210 (FL) Please use the MSPG-925 LTH generator for model PS-42C6H.
Page 14
Alignment & Adjustment
3-10 Samsung Electronics
3-4-4 Method of Adjustment
1. Adjust the white balance of AV, Component and DVI Modes.
(AV Component) a) Set the input to the mode in which the adjustment will be made (RF → DTV → PC → DVI).
* Input signal - VIDEO Mode : Model #2 (744*484 Mode), Pattern #16
- DTV, DVI Mode : Model #6 (1280*720 Mode), Pattern #16
- HDMI Mode : Model #6 (1280*720 Mode), Pattern #16 b) Enter factory color control, confirm the data. c) Adjust the low light. (Refer to table 1, 2 in adjustment position by mode)
- Adjust sub - Brightness to set the 'Y' value.
- Adjust red offset ('x') and blue offset ('y') to the color coordinates.
* Do not adjust green offset data.
d) Adjust the high light. (Refer to table 1, 2 in adjustment position by mode)
- Adjust red gain ('x') and blue gain ('y') to the color coordinates.
* Do not adjust the green gain and sub-contrast (Y) data.
( SAMSUNG WHITE BALANCE Adjustment PATTERN with FPD )
( SAMSUNG WHITE BALANCE Adjustment PATTERN with FPD )
Low light Measurement point
Hight light Measurement point
Page 15
Alignment & Adjustment
Samsung Electronics 3-11
3-5 Software Upgrade
3-5-1 How to Update Flash ROM
1. Installthe Flash Downloader Connect Set (Service Jack) and Jig Cable to execute Program Update.
2. Flash Downloader program update
- Before Turning on the set, Click "connect" which is under of OSD Screen.
- Turn on the Set.
Page 16
Alignment & Adjustment
3-12 Samsung Electronics
3-6 Replacements & Calibration
* Check items listed after changing each
Replaced Items Code No. Check Items
ASSY PCB MISC-MAIN BN94-01364A
1) Auto Program
2) Let the user go through subscription process after contacting user's cable service provider.
ASSY PCB P-SMPS(MAIN) BN96-03743A Vs, Va voltage check and adjust ASSY PCB P-SMPS(DC DC) BN96-01856A Output voltage check and adjust ASSY PDP P-LOGIC BOARD BN96-04177A
Not adjustment
ASSY PDP P-X MAIN BOARD BN96-03350A ASSY PDP P-YMAIN BOARD BN96-03351A ASSY PDP P-YMAIN SCAN BOARD BN96-03352A ASSY PDP P-ADDRESS E BUFF BOARD BN96-03353A ASSY PDP P-ADDRESS F BUFF BOARD BN96-03354A
When replacing the SMPS or PDP panel, you have to check the voltage printed on the panel sticker and adjust it.
The ASS'Ycode can be changed, see "5. Electrical Part List."
Page 17
Alignment & Adjustment
Samsung Electronics 3-13
3-6-1 Voltage Adjustment
1. SMPS Panel voltages must be adjusted after changing SMPS-PCB or PDP module. Value Board Adjustment
Vs 200
SMPS-MAIN
Va 65
Vset 195
SMPS-DC/DCVe 120
Vscan -190
2. Apoint of adjusting SMPS-MAIN voltage.
Voltage Label
SMPS-MAIN
SMPS-DC/DC
Vs Adjustment
Vs Test point
Va Adjustment
Va Test point
Page 18
Alignment & Adjustment
3-14 Samsung Electronics
3. Apoint of adjusting SMPS-DC/DC.
Vset (Middle) Vscan (Right)
Test Point
Vscan/Vset Adjustment
Point
VE
Adjustment
Point
Ve Test Point
* Use base chassis of PDP panel as GND point.
Page 19
1. Make sure all protective devices are properly installed
including non-metallic handles and compartment covers when installing or re-installing the chassis or chassis assemblies.
2. Make sure that no gaps exist between the cabinets for
children to insert their fingers in to prevent children from receiving electric shocks. Gaps mentioned above include ventilation holes between the PDP module and the cabi­net mask, and the improper installation of the rear cabi­net.
Errors may occur when the resistance is below 1.0 ㏁ or over 5.2 ㏁.
In these cases, make sure that the device is repaired before sending it back to the customer.
3. Check for Electricity Leakage (Figure 1-1)
Warning: Do not use an insulated transformer for check­ing the leakage. Use only those current leakage testers or mirroring systems that comply with ANSIC 101.1 and the Underwriter Laboratory's specifications (UL1410,
59.7).
Fig. 1-1 AC Leakage Test
4. A high voltage is maintained within the specified limits
using safety parts, calibration and tolerances. When voltage exceeds the specified limits, check each special part.
5. Warning for Engineering Changes: Never make any changes or additions to the circuit design or the internal part for this product. Ex: Do not add any audio or video accessory connectors. This might cause physical damage. Furthermore, any changes or additions to the original design/engineering will invalidate the warranty.
6. Warning - Hot Chassis: Some TV chassis are directly connected to one end of the AC power cord for electrical reasons. Without insulated transformers, the product can only be repaired safely when the chassis is connected to the earth end of the AC power source.
To make sure the AC power cord is properly connected, follow the instructions below. Use the voltmeter to measure the voltage between the chassis and the earth ground. If the measurement is over 1.0V, unplug the AC power cord and change the polarity before re­inserting it. Measure the voltage between the chassis and the ground again.
7. Some TV chassis are shipped with an additional sec­ondary grounding system. The secondary system is adjacent to the AC power line. These two grounding systems are separated in the circuit using an unbreak­able/unchangeable insulation material.
8. When any parts, material or wiring appear overheated or damaged, replace them with new immediately. When any damage or overheating is detected, correct this immediately and make a regular check of possible errors.
9. Check for the original shape of the lead, especially that of the antenna wiring, any sharp edges, the AC power and the high voltage power. Carefully check if the wiring is too tight, incorrectly placed or loose. Never change the space between the part and the printed circuit board. Check the AC power cord for possible damages. Keep the part or the lead away from any heat-emitting materials.
Precaution
Samsung Electronics 1-1
To avoid possible damage, electric shocks or exposure to radiation, follow the instructions below with regard to safety, installa­tion, service and ESD.
1. Precaution
1-1 Safety Precautions
(READING SHOULD
DEVICE
UNDER
TEST
2-WIRE CORD
ALSO TEST WITH
PLUG REVERSED (USING AC ADAPTER PLUG AS REQUIRED)
TEST ALL
EXPOSED METAL
SURFACES
LEAKAGE CURRENT
TESTER
NOT BE ABOVE
0.5mA)
EARTH
GROUND
Page 20
10. Safety Indication: Some electrical circuits or device related materials require special attention to their safety features, which cannot be viewed by the naked eye. If an original part is replaced with another irregular one, the safety or protective features will be lost even if the new one has a higher voltage or more watts.
Critical safety parts should be bracketed with ( ). Use only regular parts for replacements (in particular, flame resistance and dielectric strength specifications). Irregular parts or materials may cause electric shock or fire.
Precaution
1-2 Samsung Electronics
!
Page 21
1. The service instructions are printed on the cabinet, and should be followed by any service personnel.
2. Make sure to unplug the AC power cord from the power source before starting any repairs. (a) Remove or re-install parts or assemblies. (b) Disconnect the electric plug or connector, if any. (c) Connect the test part in parallel with the electrolytic capacitor.
3. Some parts are placed at a higher position than the printed board. Insulated tubes or tapes are used for this purpose. The internal wiring is clamped using buckles to avoid contact with heat emitting parts. These parts are installed back to their original position.
4. After the repair, make sure to check if the screws, parts or cables are properly installed. Make sure no damage is caused to the repaired part and its surroundings.
5. Check for insulation between the blade of the AC plug and that of any conductive materials (i.e. the metal panel, input terminal, earphone jack, etc).
6. Insulation Check Process: Unplug the power cord from the AC source and turn the switch on. Connect the insu­lating resistance meter (500v) to the AC plug blade.
The insulating resistance between the blade of the AC plug and that of the conductive material should be more
than 1 ㏁.
7. Any B+ interlock should not be damaged. If the metal heat sink is not properly installed, no connection to the AC power should be made.
8. Make sure the grounding lead of the tester is connected to the chassis ground before connecting to the positive lead. The ground lead of the tester should be removed last.
9. Beware of risks of any current leakage coming into contact with the high-capacity capacitor.
10. The sharp edges of the metal material may cause physical damage, so protect yourself by wearing gloves during the repair.
11. Due to the nature of plasma display panels, partial after­images may appear if a still picture is displayed on the screen for a long period of time. This is caused by brightness deterioration due to the storage effect of the panel, and to prevent this from happening, we recommend that the brightness and con­trast are reduced. (e.g.) Contrast: 25, Brightness: 50
Precaution
Samsung Electronics 1-3
Warning 1: First carefully read the "Safety Instruction" in this service manual.
When there is a conflict between the service and the safety instructions, follow the safety instruction at all times.
Warning 2: Any electrolytic capacitor with the wrong polarity will explode.
1-2 Servicing Precautions
Page 22
1-3 Static Electricity Precautions
1. Some semi-conductive ("solid state") devices are vulnerable to static electricity. These devices are known as ESD. ESD includes the integrated circuit and the field effect transistor. To avoid any materials damage from electrostatic shock, follow the instructions described below.
2. Remove any static electricity from your body by connecting the earth ground before handling any semi-conductive parts or assemblies. Alternatively, wear a dischargeable wrist-belt. (Make sure to remove any static electricity before connecting the power source - this is a safety instruction for avoiding electric shock)
3. Remove the ESD assembly and place it on a conductive surface such as aluminum foil to prevent accumulating static electricity.
4. Do not use any Freon-based chemicals. Such chemicals will generate static electricity that causes damage to the ESD.
5. Use only grounded-tip irons for soldering purposes.
6. Use only anti-static solder removal devices. Most solder removal devices do not support an anti-static feature. Asolder removal device without an anti-static feature can store enough static electricity to cause damage to the ESD.
7. Do not remove the ESD from the protective box until the replacement is ready. Most ESD replacements are covered with lead, which will cause a short to the entire unit due to the conductive foam, aluminum foil or other conductive materials.
8. Remove the protective material from the ESD replacement lead immediately after connecting it to the chassis or circuit assembly.
9. Take extreme caution in handling any uncovered ESD replacements. Actions such as brushing clothes or lifting your leg from the carpet floor can generate enough static electricity to damage the ESD.
Precaution
1-4 Samsung Electronics
CAUTION
These servicing instructions are for use by qualified service personnel only. To reduce the risk of electric shock do not perform any servicing other than that contained in the operating instructions unless you are qualified to do so.
Page 23
Precaution
Samsung Electronics 1-5
1-4 Installation Precautions
1. For safety reasons, more than two people are required for carrying the product.
2. Keep the power cord away from any heat emitting devices, as a melted covering may cause fire or electric shock.
3. Do not place the product in areas with poor ventilation such as a bookshelf or closet. The increased internal temperature may cause fire.
4. Bend the external antenna cable when connecting it to the product. This is a measure to protect it from being exposed to moisture. Otherwise, it may cause a fire or electric shock.
5. Make sure to turn the power off and unplug the power cord from the outlet before repositioning the product. Also check the antenna cable or the external connectors if they are fully unplugged. Damage to the cord may cause fire or electric shock.
6. Keep the antenna far away from any high-voltage cables and install it firmly. Contact with the high-voltage cable or the antenna falling over may cause fire or electric shock.
7. When connecting the RF antenna, check for a DTV receiving system and install a separate DTV reception antenna for areas with no DTV signal.
8. When installing the product, leave enough space (4") between the product and the wall for ventilation purposes. Arise in temperature within the product may cause fire.
9. When moving a PDP with removable speakers, detach the speakers first before moving the main body. Moving the PDP main body without separating the speakers may cause the speakers to detach, possibly causing damage or injury.
Page 24
1-6 Samsung Electronics
MEMO
Page 25
Wiring Diagram
Samsung Electronics 8-1
8. Wiring Diagram
8-1 Overall Wiring
No Assy Code No. Description
-
ASSY PDPMODULE P BN96-04174A 42HD,W1,1024*768,complementary color,third line,with logic
ASSY PCB P-SMPS BN96-03743A PS42E7H,Free-Volt,245*370mm
ASSY PCB P-SMPS BN96-01856A SPD-50P5HD(DC_DC),200Vin(DC_DC)
ASSY PDPMODULE P-X MAIN BOARD BN96-03550A 42HD,PL42AX005A,V5.1,NTSC/PAL,1024*768,LJ92-01345A
ASSY PDPMODULE P-Y MAIN BOARD BN96-03351A 42HD,PL42AX005A,V5.1,NTSC/PAL,1024*768,LJ92-01346A
ASSY PDPMODULE P-Y MAIN SCAN BUFFER BN96-03352A 42HD,PL42AX005A,V5.1,NTSC/PAL,1024*768,LJ92-01344A
ASSY PDPMODULE P-LOGIC MAIN BOARD BN96-04177A 42HD,W1,1024*768,SEC/TTESC only,LJ92-01432A,third line
ASSY PDPMODULE P-ADDRESS E BUFFER BN96-03353A 42HD,PL42AX005A,V5.1,NTSC/PAL,1024*768,LJ92-01343A
ASSY PDPMODULE P-ADDRESS F BUFFER BN96-03354A 42HD,PL42AX005A,V5.1,NTSC/PAL,1024*768,LJ92-01342A
ASSY PCB MISC-MAIN BN94-01364A PS-42C6H,EU,D74A,BN41-00745C,NO SIDE
ASSY BOARD P-POWER&IR BN96-03320A CADILLAC,SJ05-01-516,POWER & IR,CORE, 250MM
ASSY SPEAKER P BN96-02785A 8ohm,Twister,42inch,10W
ASSY BOARD P-FUNCTION BN96-02784B CADILLAC,SJ06-01-006,FUNCTION,600MM, CORE
FILTER-EMI AC LINE 2901-001378 250V,6A,-,0.15uF/1000pF,50x22.5x37.2mm,BK,-
The ASS'Ycode can be changed, see "5. Electrical Part List."
CN5506
CN5505
CN5504
CN5503
CN5502
CN5501
5
Y-BUFFER
CN5509
4
Y-DRIVE
CN5508
CN5507
CN5010
1
CN5013
CN800
CN2083 CN2093
SMPS-MAIN
CN804-1
CN803
CN2026
CN2085
6
CN810
CN809
LOGIC BOARD
13
CN2084 CN2005
AC-INLET
E-BUFFER F-BUFFER
7
FUNCTION
12
CN1
CN2084 CN2711
CN2500
CN902 CN102 CN101
CN741
CN2700
9
MAIN BOARD
CN330
CN740
CN501
CN2710
CN001
10
POWER SW
SPEAKER
11
SMPS
-DC
2
CN2
CN3
CN4
CN5
CN4004
3
X-DRIVE
CN4003
8
CN4002
CN4001
Page 26
Wiring Diagram
8-2 Samsung Electronics
8-2-1 PDP Module ↔SMPS Wiring
CN809(Main SMPS)
CN3(DC-DC SMPS)
Pin No. Signal
1 D5.3V 2 Vg 3 RTN 4 RTN 5 RTN 6 RTN 7 RTN 8 Va
9 Va 10 N/C 11 Vs 12 Vs
CN2(DC-DC SMPS)
CN5007(Y B'D)
Pin No. Signal
1 Vs 2 Vs 3 RTN 4 RTN 5 Vset 6 RTN 7 Vscan 8 RTN 9 Vg
10 D5.3V
CN4(DC-DC SMPS)
CN4001(X B'D)
Pin No. Signal
1 D5.3V 2 Vg 3 RTN 4 RTN 5 Ve 6 RTN 7 RTN 8 Vs 9 Vs
CN6(DC-DC SMPS)
CN2509(E-Buffer)
Pin No. Signal
1 RTN 2 N.C 3 D5.3V 4 N/C 5 Va
CN810(Main SMPS)
CN2013(Logic B'D)
Pin No. Signal
1 STD_5V 2 VS_ON 3 N/C 4 PS_ON 5 RTN 6 D5.3V 7 RTN 8 RTN 9 D5.3V
10 D5.3V
8-2 Partial Wiring
Page 27
Wiring Diagram
Samsung Electronics 8-3
8-2-2 Connect Cables
Use SMPS 12P LVDS 31P POWER 10P
Code BN39-00632B BN39-00667D BN39-00675A
Photo
Use POWER 12P GROUND WIRE
Code BN39-00676A BN39-00164A
Photo
The code number of cable(Lead-connector) can be changed, see "5. Electrical Part List."
Page 28
8-4 Samsung Electronics
MEMO
Page 29
Product Specification
Samsung Electronics 2-1
2. Product Specification
2-1 Product Features
Chip Description
- SVP-PX (IC611) : SVPTMPX contains dual-purposed triple 10-bit high-precision and high speed video ADCs for both PC and video inputs, the high speed HDMI could support all HDMI inputs up to 135MHz with HDCP format, the high­performance multi-format 3D digital comb video decoder that supports NTSC, PAL, and SECAM*, a HDTV sync separator, motion adaptive de-interlacing engine, and the video format conversion engine, supporting multi-window display in many different output modes.
- STV8257DSX (IC503) : Digital Audio Decoder/Processor
- STA323W (IC505) : Audio power amplifiers
Block Specfication Major IC Remark
RF Tuner TCLW3001PD32S(H) SEMCO
Power Input Voltage : AC 220 - 240 V~, 50 Hz
Video
Scaler
SVP-PX TRIDENT
Video Decoder
Sound
Sound Processor STV8257DSX ST Microelectronics
Sound AMP STA323W ST Microelectronics
Audio S/W MM74HC4052
PDP Module Samsung SDI V5.1 42"HD SAMSUNG SDI
Remocon TM87B
Cabinet C6
Page 30
Product Specification
2-2 Samsung Electronics
2-2 Key Features
Model PS-42C6H
Screen Size 107 Cm / 42 Inches (16:9)
Dimensions 1055(W) x 340(D) x 758.5(H) mm
Weight 33.2 Kg Voltage
EU : AC 220-240V~, 50Hz
CIS : AC 100-240V~, 50/60Hz
Colour System PAL, SECAM, NT3.58, NT4.43
Sound System BG, DK, I, L
Number of Pixels 1024(H) X 768(V)
ANTENNAinput VHF, UHF (75Ωunbalanced)
VIDEO input
SCART1, SCART2
COMPONENT IN (480i/P, 576i/P, 720P, 1080i)
PC IN (MINI D-SUB 15P)
HDMI/DVI IN
AUDIO input
SCART1, SCART2
Component
PC
DVI
Audio Output AUDIO OUT
Speaker Output 10W + 10W ( 8Ω)
Page 31
Product Specification
Samsung Electronics 2-3
H/W Configuration
- Video : SVP-PX
- Sound : STA8257DSX, STA323W
- Tuner : TCLW3001PD32S (H)
S/W Configuration
- Main Micom : M30840SGP (IC202)
- Sub Micom : 3F866BXZZ (IC207)
Picture
- System : Video PAL/SECAM/NTSC4.43, Sound → Analog
- Progressive
- Output resolution : 1024*768
- OSD : Smart user Interface
- Picture Enhancement : FBE
- Still picture, Noise reduction
- Comb Filter : 3D comb filter
- PIP : Large
- Panorama : Wide
Sound
- System : Stereo
- Output : 10W + 10W
- Speaker : built-in
Feature
- Component Interface (480i/480p/576i/576p/720p/1080i, Y/Pb/Pr)
- Digital Interface : HDMI
- Picture Size : Auto Wide/16:9/Wide4:3/Zoom/4:3
- Auto Store
- Sleep Timer : 180 minute
- Clock
- Zoom, Previous channel, Blue Screen, Color Tone, Screen Burn Protection
Remocon
- TM86
Power Supply
- EU : AC 220-240V, 50Hz
- CIS : AC 100-240V~, 50/60Hz
Power Consumption
- Max Power : 360 W
Page 32
Product Specification
2-4 Samsung Electronics
Both screen position and size will vary, depending on the type of PC monitor and its resolution. The table below shows all of the display modes that are supported: (N : Negative, P : Positive)
Video Signal
Resolution
(Dot X Line)
Vertical
Frequency
(Hz)
Horizontal
Frequency
(KHz)
Vertical Polarity
Horizontal
Polarity
PS-42C7S
PS-42C6H/
PS-42Q7H
PS-50C6H/
PS-50Q7H
IBM PC / AT
Compatible
640 X 350 70.086 31.469 N P
720 X 400 70.087 31.469 P N
640 X 480
59.940 31.469 N N
70.000 35.000 N/P N/P
72.809 37.861 N N
75.000 37.500 N N
800 X 600
56.250 35.156 N/P N/P
60.317 37.879 P P
70.000 43.75 N/P N/P
72.188 48.077 P P
75.000 46.875 P P
848 x 480
60.000 31.020 P P
74.769 37.684 P N
1024 X 768
60.004 48.363 N N
70.069 56.476 N N
72.000 57.672 N/P N/P
75.029 60.023 P P
1280 X 720 59.855 44.772 P N
1360 X 768 60.015 47.712 P P
The interlace mode is not supported.The TV operates abnormally if a non-standard video format is selected.480i/p, 576i/p, 720p, or 1080i is not available in PC mode.The PC text quality is optimum in WVGAmode (848 x 480@60Hz). (PS-42C7S)The PC text quality is optimum in XGAmode (1024 x 768@60Hz). (PS-42C6H/PS-42Q7H)The PC text quality is optimum in WXGAmode (1360 x 768@60Hz). (PS-50C6H/PS-50Q7H)
Page 33
Product Specification
Samsung Electronics 2-5
2-3 Specifications Analysis
Model PS-42C6H (Audi-42HD) Puccini(V4)
Design
Basic
Display Type PDPTV PDP TV
Built-In Tuner O O
Resolution 1024 x 768 1024 x 768
PDP Module V5.1 V4
Screen Size 42 inches 42 inches
Aspect Ratio 16 : 9 16 : 9
Power Consumption 360 W 380 W
Dimensions 1055(W) x 340(D) x 758.5(H) mm 1050(W) x 86(D) x 755(H) mm
Weight 33.2 Kg 59.2 Kg
Picture
Brightness 1,100 Cd/m2 1,300 Cd/m2
Contrast Ratio 5000:1 10,000 : 1
Image Enhacer FBE DNIe-L
Audio
Equalizer O O
Auto Volume O O
Surround Sound SRS TruSurround SRS TruSurround
Speaker Output 10 W + 10 W 15 W + 15 W
Speaker Included Included
Features
PIP O O
Double Screen X O
TTX O O
Still Image O O My Color Control X O Color Weakness X O
Energy Saving O O
Screen Burn Protection O O
Connections
Antenna 1 Input 1Input
CVBS X 1AV
S-Video X 1 Input
Component(Y/PB/PR) 1 Input 1 Input
PC(D-SUB) 1 Input 1 Input
DVI X X
HDMI 1 Input 1 Input
Sub Woofer X X
Optical X X Coaxial X X
Page 34
Product Specification
2-6 Samsung Electronics
2-4 Accessories
Accessories Item Item code Remark
SuppliedAccessories
Remote Control
Batteries
BN59-00539A
4301-000103
Samsung Service center
Power Cord 3903-000145
Owner's Instructions BN68-01192C
Warranty Card
Registration Card
Safety Guide Manual
BN68-00514C AA68-03575A AA68-03242E
Ferrite Core for
Power Cord
BN63-01798A
Accessories that can be purchased
additionally
Audio Cables BN39-00149A
Electronics Store/
Internal shopping mall
HDMI Cable
3000mm
BN39-00641A
HDMI/DVI cable
3000mm
BN39-00643A
Component Cables (RCA)
1500mm
BN39-00279A
Scart Cable None
PC Cable
1830mm
BN39-00115A
PC Audio Cable
2000mm
BN39-00061B
Antenna Cable
3000mm
BN39-00333A
Page 35
PCB Diagram
Samsung Electronics 9-1
9. PCB Diagram
9-1 Main Board
No Name Function Description
SVP-PX Scaler IC Controller
SVPTMPX contains dual-purposed triple 10-bit high-precision and high speed video ADCs for both PC and video inputs, the high speed HDMI could support all HDMI inputs up to 135MHz with HDCP format, the highperformance multi-format 3D digital comb video decoder that supports NTSC, PAL, and SECAM*, a HDTV sync separator, motion adaptive de-interlacing engine, and the video format conversion engine, supporting multi-window display in many different output modes.
M30840SGP IC MICOM
With a 16-Mbyte address space, this microcomputer combines advanced instruction manipulation capabilities to process complex instructions by less bytes and execute instructions at higher speed.
FBE IC DNIe Image enhancement IC
TCPW3001PD32S(H) TUNER Tuner CH Tuning
STA323W IC AUDIO-AMP Audio power amplifiers
Page 36
PCB Diagram
9-2 Samsung Electronics
CN804-1(Main SMPS)
CN102(Main Board)
Pin No. Signal
1 5.3V 2 RTN 3 N/C 4 N/C 5 RTN 6 RTN 7 12V 8 PS_ON
9 RTN 10 STBY 11 FAN_ON 12 FAN_D
CN803(Main SMPS)
CN101(Main Board)
Pin No. Signal
1 6.5V 2 RTN 3 12V 4 RTN 5 18Vamp 6 18Vamp 7 RTN_amp 8 RTN_amp 9 Vt
10 RTN
CN2013(Logic B'd) CN902(Main Board)
Pin No. Signal Pin No. Signal Pin No. Signal
1 GND 12 TXOUT2+ 23 TXOUT0B­2 GND 13 GND 24 TXOUT0B+ 3 TXOUT- 14 GND 25 4 TXOUT+ 15 TXOUTCLK- 26 GND 5 GND 16 TXCLKOUT+ 27 SCL_G 6 GND 17 28 GND 7 TXOUT- 18 29 SDA_G 8 TXOUT+ 19 TXOUT3- 30 GND 9 20 TXOUT3+ 31
10 21 32 GND
11 TXOUT2- 22 33 GND
Page 37
PCB Diagram
Samsung Electronics 9-3
CN740(Main Board)
CN001(Power Button)
Pin No. Signal
1 GND 2 LED 3 ST5V 4 GND 5 KEY_INPUT2 6 7 8 IR_7414
CN501(Main Board)
Speaker Out
Pin No. Signal
1 SPK_R+ 2 SPK_R­3 SPK_L+ 4 SPK_L-
CN741(Main Board)
CN1(Function Board)
Pin No. Signal
1 KEY_INPUT1 2 KEY_INPUT2 3 GND
Page 38
PCB Diagram
9-4 Samsung Electronics
Function Key. Located on the side of the unit.
9-3 Function Board
No Loc. No. Description
RM1 Remote Control Sensor
SW1 Power Button
OP1
The Illumination sensor that senses the quantity of light. It senses the illumination and automatically adjusts the screen brightness according to the surrounding brightness when the Power Saving Mode of the User menu is set to Auto.
9-2 Power & IR Board
Page 39
PCB Diagram
Samsung Electronics 9-5
9-4 Main SMPS Board
CN800 : AC IN (90 ~ 264V)
CN811, CN804-2 and CN805, CN806, CN807, CN808 are not used.
CN804-1(Main SMPS)
CN102(Main Board)
Pin No. Signal
1 5.3V 2 RTN 3 N/C 4 N/C 5 RTN 6 RTN 7 12V 8 PS_ON 9 RTN
10 STBY
11 FAN_ON
12 FAN_D
CN803(Main SMPS)
CN101(Main Board)
Pin No. Signal
1 6.5V 2 RTN 3 12V 4 RTN 5 18Vamp 6 18Vamp 7 RTN_amp 8 RTN_amp 9 Vt
10 RTN
CN810(Main SMPS)
CN2013(Logic Board)
Pin No. Signal
1 STBY 2 VS_ON 3 N/C 4 PS_ON 5 RTN 6 5.3V 7 RTN 8 RTN 9 5.3V
10 5.3V
CN809(Main SMPS)
CN3(DC-DC SMPS)
Pin No. Signal
1 5.3V 2 Vg 3 RTN 4 RTN 5 RTN 6 RTN 7 RTN 8 Va
9 Va 10 N/C 11 Vs 12 Vs
Page 40
PCB Diagram
9-6 Samsung Electronics
9-5 DC-DC SMPS Board
D5.3V, Vg, Ve Test PointVa, Vset, Vscan Test Point
CN809(Main SMPS)
CN3(DC-DC SMPS)
Pin No. Signal
1 5.3V 2 Vg 3 RTN 4 RTN 5 RTN 6 RTN 7 RTN 8 Va
9 Va 10 N/C 11 Vs 12 Vs
CN2(DC-DC SMPS)
CN5007(Y SMPS)
Pin No. Signal
1 5.3V 2 Vg 3 RTN 4 Vscan 5 RTN 6 Vset 7 RTN 8 RTN 9 Vs
10 Vs
CN4(DC-DC SMPS)
CN4001(X SMPS)
Pin No. Signal
1 Vs 2 Vs 3 RTN 4 RTN 5 Ve 6 RTN 7 RTN 8 Vg 9 5.3V
CN1 : N/A
CN5(DC-DC SMPS)
CN2509(E-Buffer)
Pin No. Signal
1 RTN 2 N/C 3 5.3V 4 N/C 5 Va
Page 41
PCB Diagram
Samsung Electronics 9-7
9-6 PDP Module
No Assy Description
ASSY PCB P-SMPS DC-DC Board
ASSY PDP MODULE P-X MAIN BOARD X Drive Board
ASSY PDP MODULE P-YMAIN BOARD Y Drive Board
ASSY PDP MODULE P-YMAIN SCAN BUFFER Y Buffer Board
ASSY PDP MODULE P-ADDRESS E BUFFER Address Buffer Board
ASSY PDP MODULE P-ADDRESS F BUFFER Address Buffer Board
ASSY PDP MODULE P-LOGIC MAIN BOARD Logic Main Board
Page 42
9-8 Samsung Electronics
MEMO
Page 43
Reference Information
Samsung Electronics 14-1
14. Reference Information
14-1 Other issues related to other products
Problem Descriptions
A fixed screen can cause permanent damage to the TV Braun tube.
Braun, PDP and LCD TVs can all be damaged. When a still image is displayed in a sequence, this can leave stains or after-images due to the characteristics of the panel. However, the DLP TV has the advantage that no stains or after-images are left on the screen. The DLP TV has mirror pixels on the DMD panel that project the beam onto the screen, in which the mirror is a digital representation of 0s and 1s, leaving no trace of light. The mirror returns to a blank state so that no stains or after-images are left.
Length of DVI Cable / PC RGB Cable
- A too long DVI cable may cause a malfunction or degradation of the visual quality due to an attenuation of the signal. There is no recommendation for the cable length at present. In general, although a cable length of up to 5 meters should work, please check if video is properly displayed on the screen after connecting. If you think the length of the cable is longer than for normal use, check the visual quality of the video on the screen and shorten the length, if necessary.
- This also applies to the PC RGB (D-Sub) cable. When the length of the cable is longer than for normal use, video may not be displayed on the screen. In this case, shorten the cable length.
When a digitally distributed TV user receives HD-rated broadcasts:
The digital distributed TV (Ready Technique) can render HD sources as HD-rated. However, you need to install a set-top box for this purpose. The digital TV alone cannot render HD broadcasting as HD-rated. Install the formal set-top box for HD broadcasts.
When a digital distributed TV user selects normal size (4:3) to receive SD-rated digita broadcasts:
The digitally distributed TV (Ready Technique) renders any broadcasting service as SD-rated. However, when connected to a set-top box, the digital TV renders HD broadcasts as HD-rated and renders SD as SD-rated. The screen size is scaled to 4:3.
When a digitally built-in TV user receives SD (air) broadcasting:
The digitally integrated TV ("built-in" type) renders SD broadcasting as SD-rated. This can be understood easily. Even a high-resolution TV cannot improve a low resolution picture into high quality. In contrast, an SD-rated TV cannot represent HD broadcasting as HD because the resolution of the TV is lower than the original.
When selecting a picture size of 4:3 in connection with a computer or a multimedia device:
The representation capability of SD or HD-rated depend entirely on the TV set. The HD TV can render HD broadcasting as HD-rated only when it receives HD sources. In the meantime, the HD TV renders SD as SD-rated when it receives SD sources. The picture size has nothing to do with the resolution; TV models like SVP-XXL3HD or SVP-XXL6HD have a size adjustment feature to 16:9, 4:3, Panorama, Zoom1, Zoom2 and Auto Wide. This is about the aspect ratio of the top and bottom boundaries to the overall screen and users can select their preference.
Page 44
Reference Information
14-2 Samsung Electronics
SD/HD broadcasts and the TV's display capability are related
1. A digital broadcast should be transmitted in wide screen (an aspect ratio of 16:9) HD. If the broadcasting station converts a conventional program created in normal screen (aspect ratio of 4:3) into a digital signal and broadcasts the signal, the left and right of the picture will not be displayed. This symptom also appears in other manufacturer's TV's. The three appliance companies are trying to resolve the problem through the Ministry of Information and Communication.
When watching an SD (normal) broadcast through a Digital (Wide) TV (480P normal broadcast)When watching an SD (normal) broadcast through a Digital Ready (Wide) TV (Using a set-top-box)When watching an analog (normal) broadcast through a wide TV
(When watching a broadcast after changing the aspect ratio of the TV from 16:9 (wide screen) to 4:3)
2. When watching a DVD title or video tape in wide screen (21:9) through a wide (16:9) TV, watching video from a computer or game console by selecting the aspect ratio to 4:3, or watching video from a DVD, VCR, computer or game console through a wide TV by selecting the aspect ratio to normal (4:3) or wide (21:9), the left and right, or top and bottom of the picture will not be displayed. This symptom appears in other manufacturer's TV's. The three appliance companies are trying to resolve the problem through the Ministry of Information and Communication.
Changing the Order of the Picture Size for 16:9 Display Devices
Changing the Order of the Picture Size for DTV 1080i/720p Sources
Restrictions
1. When you want to change the picture size in PIP 'ON', you must turn the PIP off before changing the size.
However, you can change the main picture size even in PIP ON for products with no restrictions.
2. When the picture size is not Normal (4:3 for 4:3 display devices, 16:9 for 16:9 display devices) and you turn PIP on, the picture
size is changed to Normal. However, you can turn PIP on without changing the picture size for products with no restrictions.
3. In the OSD notation for the picture size, 16:9 is represented as "Wide" instead of "16:9" for devices other than with 16:9 dis
plays. Ex: For LCD 15:9 devices, "Wide" is displayed on the OSD instead of "16:9".
4. The picture size can be changed even in the blue screen.
However, the picture size should be controlled by the product specifications if the change is impossible due to hardware restrictions.
Wide 4:3
Wide 4:3
Page 45
Reference Information
Samsung Electronics 14-3
14-2 Technical Terms
Virtual Channel
In digital channels, a virtual channel is used. A virtual channel is a function that enables users to watch a channel by selecting a virtual channel number regardless of the region of the user. Run Auto Channel Scan for digital broadcasts, tune in to a UHF channel number according to the region for terrestrial broad­casts, or tune into a channel number allocated by the cable broadcasting station for a cable TV network, and then select a displayed virtual channel. For example, even if you tune into channels UHF 14(MBC), 15(KBS1), 16(SBS), 17(KBS2) and 18(EBS) broadcast from Kwanak mountain in Seoul, you can watch the channels using virtual channels such as 11-1(MBC), 9-1(KBS1), 6-1(SBS), 7­1(KBS2) and 10-1(EBS) regardless of your region and the actual local channel number. The virtual channel numbers may be used nationwide, but the virtual channel numbers may vary depending on the local broadcasting stations. (Since the digital channel numbers may vary depending on your region and can be changed by the broadcasting policy, ask your local broadcasting station or regional cable TV net­work company about the channel numbers.) If the virtual chan­nel numbers are saved and the TV set can receive digital broadcasting, you can watch a digital channel by pressing the DTV+ button and pressing the first two digits of the correspond­ing virtual channel number.
Custom Color Adjustment
Using this function, a user can adjust the color according to personal preferences (Red, Grass-Color, Sky-Color, Gold­Color, Skin-Color, White, Standard, Custom) without affecting other colors using automatic selection mode or fine adjustment mode.
Simultaneous Screen
Using this function, a user can view two video signals from separate video sources on a single screen at the same time. For example, you can watch TV and video simultaneously.
Dolby Digital
This is the digital sound standard developed by the Dolby Laboratory. You can select your preferred digital surround mode after connecting external speakers.
Digital Broadcasting
Digital Broadcasting is a television broadcasting signal digitized and transmitted according to the United States' terrestrial digital broadcast standard, or ATSC.
Mono
A type of audio interface that transmits the audio signal through a single channel only. Through a mono interface, it is hard to experience stereophonic sound and the sound is played using only one speaker.
Reception Sensitivity Amplification (LNA)
A signal amplification technique that amplifies a weak broad­casting signal by applying satellite technology to provide better visual quality even for users in regions where only a weak broadcasting signal is available. (LNA: Low Noise Amplifier)
Sub Woofer
A Sub Woofer is a speaker for ultra bass sound output only whose frequency is as low as 150Hz. There are two types: an active type which includes an amplifier, and a passive type, which requires an additional amplifier.
Stereo
A type of audio interface that transmits audio signal through 2 channels. Stereo transmits audio signals for right and left sound so that you can experience stereophonic sound, and the sound is played through 2 speakers.
Partial Color Blind Person Mode
Using this function, a user can adjust the red, green or blue colors according to the preferences of the partially color-blind person so that he or she can view the clearest possible picture on the screen.
Analog Broadcasting
Analog Broadcasting is a television broadcasting signal trans­mitted according to the NTSC standard.
ANTENNA IN Port
The port connecting the TV aerial via a coaxial cable. It is gen­erally used for watching public broadcast programs.
English Caption
A function that displays English captions or text information included in the broadcast signal or video tape. You can use this function for your English studies by watching AFKN or CC marked video tapes.
Video/Audio Ports
You may experience poor visual and audio quality when watch­ing a video tape on channel 3 or 4 through the antenna cable. You can experience better visual and audio quality by connect­ing the TV and VCR through the Video/Audio ports. The video port is in yellow, and the audio ports are in white and red.
Wide Screen
Wide Screen refers to a screen that is horizontally longer than a conventional TV screen.
While the aspect ratio of a normal TV is 43, that of a wide screen is 16:9.
Page 46
Reference Information
14-4 Samsung Electronics
External Input
External Input is a connected video device such as a VCR, camcorder, DTV receiver, DVD, etc. as a video source.
Satellite Broadcasting
Satellite Broadcasting transmits programs via satellite so that a program can be viable in all areas at a high visual and sound quality. Approximately 100 channels including public broadcast channels are provided. To view a satellite broadcast, you have to install an additional receiver.
Wire Broadcasting
Wire Broadcasting refers to movie, entertainment and educa­tional programs transmitted by a broadcasting station within a hotel or school.
Audio Multimix
Audio Multimix provides 2 audio languages when foreign movie, drama, news, etc. are broadcast. You can select and lis­ten to one of the supported languages or you can select and listen to both languages simultaneously.
After-Image Protection
Using this function, a user can configure the options necessary for protecting the PDP TV screen.
Power Saving Mode
This function adjusts the screen brightness according to the ambient brightness so as to conserve power.
Component Port
The Component Port transmits a separate luminance signal as well as the green, blue, and red color signal and provides the best quality of all video connection types.
Cable Broadcasting
Cable Broadcasting transmits programs via cable instead of via the air. To view cable broadcasting, you have to subscribe to your local cable broadcast service provider and install an addi­tional receiver.
Tuner
A device that enables the selecting of specific channel frequen­cies for TV or radio.
Panorama Screen
This refers to a screen that corrects the picture distortion due to a screen size mismatch on the TV.
Progressive Scan
Progressive scan displays the entire frame in a single sweep so as to provide clearer and sharper visual quality.
DVD (Digital Versatile Disc)
DVD is a large capacity storage media that can store multime­dia content such as video, games, audio applications, etc. using MPEG-2 video compression technology on a CD sized disc
DRC
This is a sound quality enhancement function that automatically controls audio output so as to prevent sound quality distortion even at loud volumes and correct the sound to the speakers so that you can listen to the sound at the original sound quality.
DVI (Digital Visual Interface) Port
A DVI interface is a standard for high definition television con­nectivity. It provides a clear picture on the screen using TMDS which minimizes video signal loss.
DVI-D Cable
A type of DVI connector. Using this cable you can only transmit digital signals.
DVI-I Cable
A type of DVI connector. Using this cable you can transmit either digital or analog signals.
HDMI
HDMI (High-Definition Multimedia Interface) is the first industry­supported, uncompressed, all-digital audio/video interface. HDMI provides an interface between any audio/video source, such as a set-top box, DVD player, and A/V receiver and an audio and/or video monitor, such as a digital television (DTV). HDMI supports standard, enhanced, or high-definition video, plus multi-channel digital audio on a single cable. It transmits all ATSC HDTV standards and supports 8-channel digital audio, with bandwidth to spare to accommodate future enhancements and requirements.
PCM
PCM (Pulse Coded Modulation): This refers to an uncom­pressed digital signal. Use this for an AV amplifier that does not support 5.1 channels when connecting the audio output via optical or coaxial cable.
SRS TruSurround XT
This function provides 5.1 channel surround sound using 2 channel speakers when inputting a stereo audio signal.
Page 47
Reference Information
Samsung Electronics 14-5
VESA Plug & Play
This function enables the automatic recognition of devices when connecting the TV to the computer without additional set­tings.
S-VIDEO IN Port
This is called super video. S-Video is a type of video signal which has the video luminance and the color signal separated in order to provide better visual quality.
VHF/UHF
VHF refers to TV channels 2 to 13, and UHF refers to TV chan­nels 14 to 69.
Pixels, Resolution
The pixels are the number of small dots that make up the TV screen. The resolution represents the number of pixels on a screen. For example, if the resolution of a TV is 852x480, it means the width of the screen consists of 852 pixel columns and the height of the screen consists of 480 pixel rows. In this case, the total number of pixels on the screen is 408,960. The more pixels there are, the higher the visual quality that can be achieved because the picture on the screen is displayed with more pixels and therefore with more detail.
Gradation, Color Depth
Gradation describes the number of gradual brightness levels. Since all information is represented by binary numbers in a digital system, the Gradation is determined by the number of bits used to represent the brightness levels of a pixel on the TV screen. For example, if a pixel is represented by 8 bits, the Gradation is 28 or 256. Since a TV uses the three primary colors of light, R, G and B, the number of possible colors for a pixel is 256 x 256 x 256, 16,777,216, or 16.7 million colors. If 12 bits are used for a pixel, the gradation is 212 or 4096 for a color. Since three colors R, G and B are used, 4096 x 4096 x 4096 or 68.7 billion colors are support­ed per pixel. Since 68.7 billion colors are far more than 16.7 million colors, the picture will be displayed by far more abundant and natural colors using a 12 bit pixel. That is, since Gradation means the number of brightness levels, color represented by 4096 lev­els appears more natural than color represented by 256 levels.
Contrast
The contrast is the ratio of brightness of the brightest color to the darkest color. The contrast is calculated by dividing the bright­ness of the brightest color by the brightness of the darkest color. For example, if the brightness of the darkest color is 1 and the brightness of the brightest color is 3000, then the Contrast is 3000/1 or 3000. A higher contrast means that a dark color is dis­played darker and bright color is displayed brighter so that the screen contrast can be easily distinguished. The contrast differs from the Gradient which means the number of brightness levels. Therefore, if someone says that a 5000:1 contrast displays a color by 5000 levels, he is confusing Contrast with Gradation.
Brightness
Brightness is the brightness per unit screen area, the unit for brightness is candela (cd). For example, 1000cd/m2 means the brightness that is measured when 1000 candles are lit within 1 square meters area.
852
480
42SD = 409K Pixels
Page 48
Reference Information
14-6 Samsung Electronics
Color Reproductivity
Each color displayed on the TV screen is implemented by a pixel on color coordinates which have an X and Y axis. For example, when a pixel on the X coordinate 0.65 and the Y coordinate 0.74 is displayed as a color and it becomes visible on the TV screen. While the possible color coordinate area is very wide, the color coordinate area of the signal broadcast from a broadcast station is smaller than that of possible color coordinates. Moreover, a TV provides a smaller color coordinate area than that of the signal from the broadcasting station even though the size of the color coordinate area varies depending on the TV model. In general, Color Reproductivity is used as follows: The Color reproductivity of a TV is a certain % of NTSC. This means the TV displays that particular % of the color coordinate area of the NTSC signal broadcast by the broadcasting station. In general, a CRT TV provides the highest functional color reproductivity.
Page 49
Troubleshooting
Samsung Electronics 6-1
1. Check the various cable connections first.
- Check to see if there is a burnt or damaged cable.
- Check to see if there is a disconnected cable connection or a connection is too loose.
- Check to see if the cables are connected according to the connection diagram.
2. Check the power input to the Main Board.
3. Check the voltage in and out between the SMPS Main Board, between the SMPS X, Y Main Board, and between the
Logic Boards.
6. Troubleshooting
6-1 First Checklist for Troubleshooting
Page 50
Troubleshooting
6-2 Samsung Electronics
6-2 Checkpoints by Error Mode
6-2-1 No Power
Symptom
- The LEDs on the front panel do not work when connecting the power cord.
- The SMPS relay does not work when connecting the power cord.
- The power of the unit seems to be out of order.
Major Checklist
The SMPS relay or the LEDs on the front panel do not work when connecting the power cord if the cables are improperly connected or the Main Board or SMPS is out of order. In this case, check the following:
- Check the internal cable connection status inside the unit.
- Check the fuses of each part.
- Check the output voltage of SMPS.
- Replace the Main Board.
Troubleshooting
Procedures
Are the AC IN socket connector
and the Main SMPS CN800 connected?
Is the Fuse (F101) of the Main SMPS
Power Input Part blown?
Check Main SMPS 804-1
Pin 10 : STB 5V = 5V
Pin 8 : PS-ON = 0V
Replace the Main Board
Connect The AC IN socket connector
and the Main SMPS CN800
Replace the Main SMPS
Replace the Main SMPS
Page 51
Troubleshooting
Samsung Electronics 6-3
6-2-2 When the unit is repeatedly turned on and off
Symptom - The SMPS relay is repeatedly turned on and off.
Major Checklist
In general, the SMPS relay repeatedly turns on and off by the protection function due to a defect on a board connected to the SMPS.
- Disconnect all cables from the SMPS, operate the SMPS alone and check if the SMPS works properly and if each voltage output is correct.
- If the symptom continues even when SMPS is operated alone, replace the SMPS.
- If the symptom is not observed when operating the SMPS alone, find any defective ASSYs by connecting the cables one by one.
Troubleshooting
Procedures
Caution
When separating and connecting the cables such as CN809 of the Main SMPS, CN1, CN2, CN3, CN4 and CN5 of DC-DC SMPS, CN of the X Main Board, and CN of the Y Main Board, a spark may be generated by the electric charge of the high capacity capacitor. Therefore, wait some time after separating the power cord from the unit.
Does the symptom continue
after connecting the power and
removing CN809 cable from
the Main SMPS?
Does the symptom continue
when separating the CN804-1
and CN803 cables from the
Main SMPS and shorting pins
4 and 5 of the CN804-1
Connector?
Replace the Main SMPS
Replace the Main Board
Does the symptom continue when
connecting the power after
connecting the CN809 cable and
removing the CN2, CN4 and CN5
cables from the DC-DC SMPS?
Reconnect all cables.
Does the symptom continue when
connecting the power after the CN4
cable to the DC-DC SMPS?
Does the symptom continue when
connecting the power after CN2
to the DC-DC SMPS?
Does the symptom continue when
connecting the power after
removing CN810 from the
Main SMPS?
Replace the DC-DC SMPS
Replace the X Main Board
Replace the Y Main Board
Replace the
Logic Main Board
Page 52
Troubleshooting
6-4 Samsung Electronics
6-2-3 No Picture (When audio is normal)
Symptom - Audio is normal but no picture is displayed on the screen.
Major Checklist
- This may happen when the Main Board is normal but the X, YMain Board, Logic Board, or Y Buffer Board is out of order.
- The output voltage of the Main SMPS or the DC-DC SMPS is out of order.
- This may happen when the LVDS cable connecting the Main Board and the Logic Board is disconnected.
Troubleshooting
Procedures
Caution
When separating and connecting the cables such as CN809 of the Main SMPS, CN1, CN2, CN3, CN4 and CN5 of the DC-DC SMPS, CN of the X Main Board, and CN of the Y Main Board, a spark may be generated by the electric charge of the high capacity capacitor. Therefore, wait some time after separ ating the power cord from the unit.
Are the Vs and Va voltages
normal after removing the
CN809 cable from the
Main SMPS?
Is the output voltage of the
DC-DC SMPS normal when
reconnecting the CN809 cable
and removing the CN2, CN4
and CN5 cables from the
DC-DC SMPS?
Replace the Y Main Board
Replace the X Main Board
Replace the Logic Main Board
Replace the Main SMPS
Replace the DC-DC SMPS
Replace the Y SCAN Board
Page 53
Troubleshooting
Samsung Electronics 6-5
6-2-4 No Sound
Symptom - Video is normal but there is no sound.
Major Checklist
- When the speaker connectors are disconnected or damaged.
- When the sound processing part of the Main Board is out of order.
- Speaker defect.
- When setting the volume to 0 (Nonsense).
Troubleshooting
Procedures
Is the cable connection between the Main Board and the speaker
properly connected?
Is the output voltage of SMPS
normal? (CN803 #5)
Is the speaker output terminal
of the Main Board normal?
Replace the Speaker
Connect the cable properly or
replace the cable, if necessary.
Replace the Main SMPS
Replace the Main Board
Page 54
Troubleshooting
6-6 Samsung Electronics
6-2-5 No Video
Symptom - Anormal/cable network analog broadcast screen is blank or abnormal.
Major Checklist
- Check the antenna connection settings (Antenna 1 - Normal/Cable/DTV, Antenna 2 - Only for DTV)
- Check the tuner output signal (CVBS).
- Check the power input of the Main board.
Troubleshooting
Procedures
Is the antenna connection setting
properly configured?
Configure properly
Check CN101 pin2 for +33V
Replace the Main Board
Replace the Main SMPS
Page 55
Troubleshooting
Samsung Electronics 6-7
6-2-6 Main SMPS Troubleshooting
Normal
Power ON
STD_5V
Abnormal
Check the U101, D108
VA
Normal
Normal
PFC
Abnormal
VS
Abnormal
Multi
Abnormal
Check the U201, Q203, Q204
Check the U501
Abnormal
Check the U601
Check the Q401, Q402
Normal
Check the Other board (Image Board or Driver Board) or Cable.
Page 56
Troubleshooting
6-8 Samsung Electronics
Condition Name Description Related Board No Voltage Output Operating Voltage don't exist PSU No Display Operating Voltage exist, but an Image doesn't exist on screen Y-MAIN, X-MAIN, Logic Main, Cable Abnormal Display Abnormal Image (not open or short) is no screen Y-MAIN, X-MAIN, Logic Main Sustain Open Some horizontal lines don't exist on screen Scan Buffer, FPC of X/Y Sustain Short Some horizontal lines appear to be linked on screen Scan Buffer, FPC of X/Y Address Open Some vertical lines don't exist on screen Logic Main, Logic Buffer, TCP Address Short Some vertical lines appear to be linked on screen Logic Main, Logic Buffer, TCP
6-2-7 Drive Board Troubleshooting
1) Troubleshooting Summary
Page 57
Troubleshooting
Samsung Electronics 6-9
2) Troubleshooting Procedure in Abnormal Conditions
No Display (Operating Voltage exist, but an doesn't exist on Screen)
No Display is related with Y-MAIN, X-MAIN, Logic Main and so on.
This page shows you how to check the boards, and the following pages show you how to find the defective board.
No Display
[ Logic Main ]
LED Blinks
Check the LED
YES NO
Check if internal is
Check if any address
data output is detected
Default Black
[ Y-MAIN ]
Check necessary points
[ Logic Main ]
Check if power is supplied
YES NO
operation
MICOM operation
Check the ASIC
Control Signal output
Check if the data
and control signals
between DDR & ASIC
( 5V, 3.3V )
Check the
are normal
[ X-MAIN ]
Check necessary points
Check the
power connectivity
Check the FUSE
Check the
input voltage
If the input voltage is
abnormal, replace the
PSU and check it
again as this indicates
a PSU output error
[ X-MAIN ]
Check several points
FUSE
OK
FET/
DIODE
OK
X-MAIN
Normal State
OPEN
Replace the Board
SHORT
Replace the Board
F5001 for VDD F5002 for Vs F5004 for VCC F5005 for OUT_L
Q5009~Q5021 D5005, D5007 D5008
[ Y-MAIN ]
Check several points
FUSE
OK
FET/
DIODE
OK
Y-MAIN
Normal State
OPEN
SHORT
Replace the Board
Replace the Board
F4001 for VCC F4002 for Vs F4004 for VDD F4005 for Ve
Q4002~Q4003 Q4011~Q4016 D4004 D4006~D4008
Page 58
Troubleshooting
6-10 Samsung Electronics
Abnormal Display(Abnormal Image is on Screen.(except abnormality in Sustain or Address)
Abnormal Display is related with Y-MAIN, X-MAIN, Logic Main and so on.
This page shows you how to check the boards, and the following pages show you how to find the defective board.
Abnormal
Display
F5001 for VDD F5002 for Vs F5004 for VCC F5005 for OUT_L
[ Logic Main ]
LED Blinks
( action of Vsync )
YES
Replace the Board
[ Y-MAIN ]
Check several points
FUSE
OK
[ Logic Main ]
Observation of
abnormal display
Regular
abnormal
pattern
OPEN
Check necessary points
NO
Replace the Board
[ Y-MAIN ]
Logic Main
Normal State
Replace the PDP
F4001 for VCC F4002 for Vs F4004 for VDD F4005 for Ve
[ X-MAIN ]
Check necessary points
[ X-MAIN ]
Check several points
FUSE
OK
OPEN
Replace the Board
Q5009~Q5021
FET
OK
Y-MAIN
Normal State
SHORT
Replace the Board
Q4002~Q4003 Q4011~Q4016
FET
OK
X-MAIN
Normal State
SHORT
Replace the Board
Page 59
Troubleshooting
Samsung Electronics 6-11
Sustain Open (some horizontal lines don't exist on screen)
Sustain Short (some horizontal lines appear to be linked on Video)
[ Y-FPC ]
Sustain Open
After Changing Y-buffer,
recheck the status
OK
Done
(Defect is from Y-buffer)
NG
Replace the Panel
There a defect on FPC
[ Y-FPC ]
(Discharging in unwanted Scan line)
Sustain Short
After Changing Y-buffer,
recheck the status
OK
Done
(Defect is from Y-buffer)
NG
Replace the Panel
There a defect on FPC
Page 60
Troubleshooting
6-12 Samsung Electronics
Address Open, Short(some vertical lines don't exist on screen)
Address Open and Short is related with Logic Main, Logic Buffer, FFC, TCP film and so on.
This page shows you how to check the boards, and the following pages show you how to find the defective board.
[ Logic Main ]
Address Open/Short
Check the LED operation
Check if the internal mode
screen is normal
OK
Reload the data onto the
MICOM and recheck it
OK
Check the detailed waveform
and control the signal waveform
DONE
NG
Check if a specific TCP Block screen is displayed abnormally
Check the
Video Board
OK
Check if there is an open or
short circuit on the Buffer Board
and the Logic Main address
data output section.
Check the FFC connection status
NG
Address Buffer (E or F) /
OK
NG
input voltage (Vref)
OK
Replace Logic Main /
FFC
Replace the Panel
Check the DDR
NG
Check the DDR Vref
input power and the
Voltage Divider
resistance
NG
NG
Page 61
Troubleshooting
Samsung Electronics 6-13
6-3 Troubleshooting Procedures by ASS'Y
No Assy Description Major Symptoms
1 ASSY PCB P-SMPS Main SMPS No power, Blank screen, the Relay repeats On and Off. 2 ASSY PCB P-SMPS DC-DC SMPS Blank screen, the Relay repeats On and Off. 3 ASSY PDPMODULE P-X MAIN BOARD X Main Board Blank screen 4 ASSY PDPMODULE P-X MAIN BOARD Y Main Board Blank screen 5 ASSY PDPMODULE P-LOGIC MAIN Logic Board Blank screen, Screen noise 6 ASSY PDPMODULE P-Y MAIN SCAN BUFFER YScan Board Row Bar screen is blank 7 ASSY PDPMODULE P-ADDRESS E BUFFER Address E Buffer Board Corresponding Buffer Board block screen is blank. 8 ASSY PDPMODULE P-ADDRESS F BUFFER Address F Buffer Board Corresponding Buffer Board block screen is blank.
9 ASSY PCB MISC-MAIN Main Board No Power, Abnormal screen for each input source, PIPscreen trouble, Sound trouble 10 ASSYBOARD P-FUNCTION Function Key Board The side function key does not work properly 11 ASSY BOARD P-POWER&IR Power Button Board The remote control does not work properly, the LED does not work properly.
Page 62
6-14 Samsung Electronics
MEMO
Page 63
Block Diagram
Samsung Electronics 7-1
7. Block Diagram
7-1 Overall Block Diagram
LOGIC CONTROL
R-Data
DATA_R
8,10,12 or 1 3Bi ts
8,10.12 or 1 3Bi ts
8,10,12 or 1 3Bi ts
8Bits
G-Data
DATA_G
8Bits
B-Data
DATA_B
8Bits
DCLK
DCLK
VSYNC
Vsync
HSYNC
Hsync
DEN
Enable
LVDS
Interface
Input Data Processor
Display
DRAM
Data
Data Controller
Driver
Timing Controller
Timing
Driver
Scan
Timing
Driver
Row
Generator
YPulse
DRIVER CIRCUIT & PANEL
1024× 76 8 Pixels
1024× 3× 768 Cells
Column Driver
3V3
Vcc
Vset Vsc
VsVa
Ve
Generator
XPulse
Image Scaler + Video Decoder
Reference
-3V3 : Voltage for Logic Control
-Vcc : Voltage for FETdriver
-Va : Voltage for address pulse
-Vs : Voltage for sustain pulse
-Vsc : Voltage for scan pulse
-Ve : Voltage for X ramp pulse
-Vset : Voltage for Y ramp pulse
Micom
Page 64
Block Diagram
7-2 Samsung Electronics
CN804-1(Main SMPS)
CN102(Main Board)
Pin No. Signal
1 5.3V
2 RTN
3 N/C
4 N/C
5 RTN
6 RTN
7 12V
8 PS_ON
9 RTN
10 STBY
11 FAN_ON
12 FAN_D
CN803(Main SMPS)
CN101(Main Board)
Pin No. Signal
1 6.5V
2 RTN
3 12V
4 RTN
5 18Vamp
6 18Vamp
7 RTN_amp
8 RTN_amp
9 Vt
10 RTN
CN810(Main SMPS)
CN2013(Logic Board)
Pin No. Signal
1 STBY
2 VS_ON
3 N/C
4 PS_ON
5 RTN
6 5.3V
7 RTN
8 RTN
9 5.3V
10 5.3V
CN2(DC-DC SMPS)
CN5007(Y B'D)
Pin No. Signal
1 Vs
2 Vs
3 RTN
4 RTN
5 Vset
6 RTN
7 Vscan
8 RTN
9 Vg
10 D5.3V
CN4(DC-DC SMPS)
CN4001(X B'D)
Pin No. Signal
1 D5.3V
2 Vg
3 RTN
4 RTN
5 Ve
6 RTN
7 RTN
8 Vs
9 Vs
CN6(DC-DC SMPS)
CN2509(E-Buffer)
Pin No. Signal
1 RTN
2 N.C
3 D5.3V
4 N/C
5 Va
Page 65
Block Diagram
Samsung Electronics 7-3
7-2 Partial Block Diagram
7-2-2 DC-DC SMPS Block Diagram
7-2-1 Main Board Block Diagram
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Vs Input Part Vscan Output
Control
and
Switching Block
Control
and
Switching Block
Control
and
Switching Block
Transformer
Auxiliary
Power
Transformer
Auxiliary
Power
Transformer
Auxiliary
Power
Rectification
Block
Feedback
Block
Rectification
Block
Feedback
Block
Rectification
Block
Feedback
Block
Vset Output
Ve Output
Page 66
Block Diagram
7-4 Samsung Electronics
7-2-3 Module Driver Board Block Diagram
1. Y Main Board
2. X Main Board
Page 67
Block Diagram
Samsung Electronics 7-5
7-2-4 Logic Board Block Diagram
Y-MAIN
CONTROL
SIGNAL
5 Pin (uart)
TX, RX
R,G,B : 24bit
CLK 1, 2 BLK, POC, STB CSE, CE1, CE2
30 Pin Connector 20 Pin Connector
LVDS SIGNAL
(8~12bit)
10 Pin (Power)31 Pin LVDS
RELAY_EINT
Vs-ON
X-MAIN
CONTROL
SIGNAL
DDR (MA)
DATA : 32bit ADDR : 12bit
DQS, CLK, nCLK
RESET
DDRDRIVE
(FA)
SPS-NIRB
(ASIC 816P)
DDR
ASIC nRESET
CONTROL
SIGNAL
(MB)
MICOM
R,G,B : 24bit
CLK 1, 2 BLK, POC, STB CSE, CE1, CE2
50 Pin Connector FM75
50 Pin Connector
7-2-5 Power Block Diagram
Page 68
7-6 Samsung Electronics
MEMO
Page 69
Circuit Description
Samsung Electronics 13-1
13. Circuit Description
13-1 Power ON/OFF Signal Timing Sequence
A
µ
1. When connecting the AC power cord, Stand-By 5V from the Main SMPS is supplied to the Main Board (Pin 3 of CN1002 of Main Board).
2. When pressing the Power button on the remote control or on the main body, PS_ON (Pin 5 of CN1002 of Main Board) changes from High to Low.
3. If the PS_ON signal changes to Low, the Main SMPS supplies power to the Main Board and Logic Board, and Va and Vg power is supplied to the DC-DC SMPS.
4. If the VS_ON signal from the Logic Board changes from Low to High, the Main SMPS supplies VS power to the X and Y Main
Board through the DC-DC SMPS, and the screen displays a picture on it.
70 m Sec.
70 m Sec.
C POWER ON/OFF
Stand-By, (POP Option outputs)
PS_ON (Active Low) from PS External (Remote controller ON/OFF)
PFC output
DC OUTPUTS Va
DC OUTPUTS D5.3V,A6.5V,12V,Vamp,Vt
OUTPUTS
Vg
VS_ON (Active high) from P/S External
DC OUTPUT Vs
DISPLAY ON / OFF
Remote Controller ON
Remote Controller ON
Vca
Vcs
AC POWER OFF
AC POWER OFF
VS_ON
VS_ON
DISPLAY ON
DISPLAY ON
OFF
OFF
Remote Controller ON
Remote Controller ON
VS_ON
VS_ON
DISPLAY ON
DISPLAY ON
Standby step turn-off for
-processor reset
µ
5 V
5 V
3.4 V
3.4 V
Vg vs. 3.4V
turn-off sequence
Keep Display ‘ON’w/o
display flicker while
3cycle full-dip condition
Page 70
Circuit Description
13-2 Samsung Electronics
13-2 Partial Block Description
13-2-1 Main SMPS
1. Outline (PDP 42inch/50inch SMPS) Considering various related conditions, the switching regulator with good efficiency and allowing for its small size and light weight was used as the power supply for PDP 42inch/50inch, VS requiring high power consumption Asymmetrical Half Bridge converter and flyback converter. To comply with the international harmonics standards and improve the power factor, active PFC(Power Factor Correction) was used to rectify AC input into +400V DC output, which in turns used as input to the switching regulator.
2. Input The power supply shall be capable of supplying full rated output power over free voltage ranges that are rated 100 VAC - 240 VAC RMS nominal. Operating voltage : 90 VAC - 264 VAC The power supply must be able to start up under peak loading at 90V AC. The power supply shall automatically recover from AC power loss. (Note that nominal voltages for test purposes are considered to be with +/- 1.0V of nominal). STD_5V & Vpr2(3.3V) is a SELV standby voltage that is always present when AC mains voltage present.
3. Output
Over Voltage Protection The over voltage sense circuitry and reference shall reside in package that are separate and distinct from the regulator control circuitry and reference. No single point fault shall be able to cause a sustained over voltage condition on any of all outputs. The supply shall provide latch-mode Over Voltage Protection as defined below.
Output Name Output Voltage Output Current(Max.) Using in PDP Driving
VS +190V ~ 220V (210V) 2.0A Sustain Voltage of Drive Board
VA +60V ~ 80V (70V) 3.0A Address Voltage of Drive Board
D5.3V +5.3V 5.0A
A6.5V +6.5V 3.0A
FAN_9V +9V 0.2A
VG +15V 1.0A
D12V +12V 1.5A
A12V +5.3V 0.5A
18VAMP +18V 2.5A Amp Voltage of Audio Board
VT +33V 0.006A
STD_5V +5V 1.0A Standby for Remote Control
Parameter Min Unit
VS(210V) 250 ~ V
VA(70V) 100 ~ V
VCC(+5.3V) 6.8 ~ V
Page 71
Circuit Description
Samsung Electronics 13-3
Short Circuit and Over current Protection An output short circuit is defined as output impedance of less than 300mohms. The power supply shall shutdown and latch off for shorting VS DC rails to return. Shorts between main output rails and STD_5V shall not cause any damages to the power supply. The power supply shall either shutdown and latch off for shorting is removed, the P/S shall recover. The power supply shall be capable of withstanding a continuous short-circuit to the output without damage or over stress to the unit (components, PCB traces,connectors,etc.) under the input conditions specified in Section 3 above. Current Protection as defined below.
Output Over Current Limit Unit
VS(210V) 20A, Constant Current.(TBD) A
VA(70V) 10A, Constant Current.(TBD) A
Output except Vs,Va No damage (Auto Recovery or Shut down.) A
Page 72
Circuit Description
13-4 Samsung Electronics
Item Name Explanation
Y Connector The connector to output the control signal for the Y drive board.
LVDS Connector
The connector to receive the RGB, H, V, DATAEN and DCLK signals that have been LVDS encoded through the Main board.
Power Connector The connector to receive power (5V, 3.3V) for the Logic board.
X Connector The connector to output the control signal for the X drive board.
ASIC CHIP The main processor that generates and outputs the logic drive signal and the address data.
DDR MEMORY (MENCON) The Memory to restore Address output data.
DDR MEMORY (Frame Delay) The Memory to restore FCR data.
JTAG PORT The port to communicate uCOM.
Initial image option PIN
Initial image select F/W or BLACK : Jumper Yes : or Full White, Jumper No : Black
Micom Loading 5Pin Connector or Uart Connector
The connector to load the Micom drive program. The program is loaded by connecting to the GA-WRITER. Connector that loads and controls 512K data, and connects kiss can Board
ARM-PROCESSOR IC block Control-signal to drive logic main.
Buffer Connector The connector to output the address data and the control signal to the E-buffer board.
Operating Status LED
The LED that shows whether the Sync and Clock signal is properly supplied to the logic board. (Normal Status: Blinks at 0.5 second intervals)
Buffer Connector The connector to output the address data and the control signal to the F-buffer board.
V-TOGG V-SYNC output pin.
4 3
2 1
4 3
2 1
4 3 2 1
13-2-2 PDP Module
1. Logic Board
A name of main part of Logic Board and vocabulary.
Page 73
Circuit Description
Samsung Electronics 13-5
Normal Waveform When the Operating LED blinks normally (at 0.5 second intervals), which indicates the normal operation of the PDP Set and Logic Board, and the V-SYNC and data output signals are normal.
If the set is out of order, perform troubleshooting according to the procedures below.
1) Visual Inspection : Check if the Operating LED on the Logic Main blinks at a 0.5 second interval.
If the Operating LED blinks too fast or too slow, you have to reload the data onto the MICOM, as this indicates abnormal
data processing in the MICOM. To load the data, supply power to the module and load the data using GA-WRITER.
2) If no problem has been found through the visual inspection, check if the drive waveforms and the address data output are normal. (Check Point: Check the DAMPING R-NET output of each data output terminal.)
If no drive waveform or address output signal is detected, load data onto the MICOM according to the procedures described
above, as this indicates a MICOM data error.
If data output is detected but is abnormal, it indicates a hardware short-circuit if measured for the drive waveform, or it
indicates abnormal data output due to the abnormal operation of the DDR memory caused by the abnormal Vref voltage if measured in the address data. Abnormal data output due to the abnormal operation of the DDR memory or a short circuit on the board, which may be caused during the ass'y process, causes the screen to be abnormally displayed. Therefore, you have to conduct a short test for each part.
If the Vref voltage (Voltage Divider Voltage) is lower than 1.25V, check the resistance of the resistance output part and check
if the circuit status is normal. This applies the voltage and the proper Vref voltage and results in the screen being properly displayed.
If the screen is abnormally displayed, even though the Vref voltage is normal, find any abnormal points by conducting a short
test. If a short circuit is found and it is repairable, repair it. If a short circuit is internal, replace the board.
The following waveform appears when the V-sync and address data are output properly.
< Normal V-SYNC Output Waveform >
< Normal Address Data Output Waveform >
About Logic Board
The Logic Board consists of a Logic Main board, which processes the video signal input through LVDS and creates the address driver output and XY drive signals, and a Buffer board, which buffers the output signal and outputs the signal to the Address Driver IC (TCP IC).
Logic Board Function Remark
Logic Main
- Video Signal Processing (W/L, error diffusion, APC, FCR) Built-in LVDS Application and 1 ASIC Chip
- Outputs the Address Driver Control and Data Signals to the Buffer board
- Outputs the XY Drive Board Control Signal
- Major Drive Voltage Monitoring (MICOM Circuit Block) : Detects abnormal voltage applications and protects drive circuits
- Temperature Induced Operating Mode (Low Temperature/Room Temperature/High Temperature) : Optimization of discharge by temperature
Buffer Board
E Buffer Board Outputs data and control signals to the bottom left TCP IC.
Single Scan
F Buffer Board Outputs data and control signals to the bottom right TCP IC.
Page 74
Circuit Description
13-6 Samsung Electronics
2. X, Y Control Block
Drive Circuit Definition The Drive Circuit is a circuit that generates a waveform (high-voltage pulse) for the X and Y electrode group of the panel's external port so as to control the panel. The high-voltage switching pulse is generated through the combination of the IC HYBRID (Drive block + IGBT) and FET.
Drive Circuit Mechanism A picture is displayed on the PDP by applying voltage to the X, Y and ADDRESS electrodes of each pixel according to the appro­priate condition. The drive waveform applied to 42HD V4 is of the ISSS (ISSS: Interweaving Scan and Selective Sustain with Scan IC) type and has IDS (InDependent Sustain) in the Scan section unlike the existing ADS. Discharges within a PDP pixel can be classified into 3 types:
Address Discharge: To form a wall voltage within the pixel by giving information (applying DATA voltage) to the pixel to be lit.Sustain Discharge: Sustain Discharge is a display section that voluntarily maintains the discharge of the pixels whose wall
voltage has been formed by the Address Discharge. (Optical output for displaying a picture is generated).
Erase Discharge: To selectively perform Address Discharge for each pixel, all pixels on the panel should be in the same status
(the wall electric charge status and space electric charge status must be the same). Therefore, the Erase Discharge section is an important component for guaranteeing the drive margin, and is implemented by various methods such as applying a log waveform. However, the current 42HD V4 has adopted a wall voltage control through an RA (Repeated Auto-quenching) reset that separates the discharge area and performs switching to perform an efficient erase operation, while the gradient was the same in the RAMP section in the existing approach.
1) Address Discharge A discharge that is caused by the difference between the plus electric potential (Va apply voltage of 65~70V + Positive Wall Charge) of the electrode and the negative electric potential (Applied GND Level + Negative Wall Charge) of the Y electrode. The Address discharge forms a wall voltage within the pixel to display color (to be discharged) before the Sustain Discharge period. That is, the pixel whose wall charge has been formed by the Address Discharge forms a Sustain Discharge vis the following Sustain pulse.
2) Sustain Discharge A Sustain Discharge is a Self-Sustaining Discharge formed by the accumulation of the electric potential of the Sustain pulse (gen­erally 200 ~ 210 Volt) alternating over the X and Y electrodes during the sustain period, and the wall charge depending on whether the pixel has previously been discharged or not. That is, it is controlled by the memory characteristics, one of the basic characteris­tics of the AC PDP (in that the past operating conditions determine the current status). That is, if a wall voltage exists on the pixel (if the pixel is on), a discharge is formed again because the applied voltage, which is the sum of the following applied Sustain volt­age and the wall voltage, is higher than the discharge threshold voltage. If no wall voltage exists on the pixel (if the pixel is off), a discharge will not occur because the Sustain voltage is not higher than the discharge threshold voltage. The Sustain Discharge period is the period for generating actual optical output so as to display a picture on the PDP screen.
3) Erase Discharge The purpose of a Reset (Erase) Discharge is to create uniformity of the wall voltage within all panel pixels. It evens the wall volt­ages regardless of the Sustain Discharge in the previous stage. The Erase Discharge has to remove the wall voltage introduced by the Sustain Discharge by supplying ions or electrons by a discharge. When the wall voltage is removed through a discharge, the time when the reverse polarity is applied to the wall voltage (fine width erasing) is to be limited or ions or electrons are to be sup­plied by a weak discharge (low voltage erasing) so as to prevent a wall charge in reverse polarity. There are 2 known weak discharge (low-voltage) erase methods. 1) A log waveform adopted by F company and 2) a weak erase discharge via a ramp waveform adopted by Matsushita and other companies. Both methods control the externally applied voltage by the difference of the wall voltage of the pixel by applying the rising gradient of the erasing waveform slowly, because the dis­charge begins when the sum of the existing remaining wall voltage and the rising waveform voltage exceeds the drive threshold voltage. In addition, a weak discharge is introduced, because the applied voltage is low.
Page 75
Circuit Description
Samsung Electronics 13-7
Requisite Components Necessary for Drive Board Operation
1) Power
- Supplied from the power board. The optimal value may differ from the following: a) Vs : 200V - Sustain b) Vset : 190V - Y Rising Ramp c) Ve : 110V - Ve bias d) Vscan : -190V - Scan low bias e) Vsc_h : -70V - Scan high bias (Created by the DC-DC power block of the Y Drive board) f) Vdd : 5V - Logic signal buffer IC g) Vcc : 15V - Gate drive IC
2) Logic Signal
- Supplied by the Logic board
- Gate signal of each switch
Drive Circuit Architecture and Function Description
- Description of the function of each board
1) X Drive Board This is connected to the X port part of the panel. 1) Sustain voltage waveform (including ERC) is output, and 2) Ve bias in the Scan section is maintained.
2) Y Drive Board This is connected to the Y port part of the panel. It outputs 1) Sustain voltage wave form (including ERC), and 2) Y Rising, Falling Ramp waveform, and maintains 3) Vscan bias.
3) Y Buffer Board A board, which applies the Scan waveform to the Y terminal block, consists of 12 Scan Driver ICs (TI SN755870: 64 Outputs).
Power B'd
Y-Buffer
Y Drive B'd
- Sustain Pulse (Energy Recovery)
- Rising Ramp Pulse
- Falling Ramp Pulse
- Vscan Pulse
Y Pole Terminal
(6 Block)
Logic E-Buffer
Logic B'd
Logic F-Buffer
X Pole Terminal
(2 Block)
X Drive B'd
- Sustain Pulse (Energy Recovery)
- Ve Bias
Page 76
Circuit Description
13-8 Samsung Electronics
Drive Waveform Specifications
- Drive Waveform
- Description of the function of each pulse
1) Y Preset RA Pulse This is supplied to the first sub-field and erases the discharge status of the previous subfield.
2) Y Main RA Pulse During the Y Rising Ramp section, approximately 300V~350V (Vscan-h + Vset) of external voltage is supplied to the Y electrode, and a weak discharge is started when each gap voltage is equal to the discharge start voltage. While maintaining the weak dis­charge, as a whole, negative wall charges are accumulated on the Y electrode and positive wall charges on the X electrode and the address electrode. During the Y Falling Ramp section, the negative wall charges accumulated on the Y electrode by the approximately 105V of X bias are used to erase the positive wall charges on the X electrode, and the address electrode maintains most of the positive wall charges accumulated during the (0V) Rising Ramp section preparing for the next address discharge.
3) Y Scan Pulse (Odd/Even) A scan pulse classifies the Y electrode into Odd and Even lines and selects FPC output electrodes sequentially (one line-at-a­time). At this time, Vscan is called the Scan Bias Voltage. A Vscan voltage of approximately -175 Volt (Vsc_1) is supplied to the electrode lines. For the other lines, -56 volt (Vsc_h is higher than Vscan-l by 120V) is supplied. However, negative wall charges are accumulated on the Y electrode by the Ramp pulse, and positive wall charges are accumulated on the address electrode, and the voltage applied to the cells, to which the Address pulse (70V~75V) has been applied, becomes higher than the discharge voltage. An address Discharge occurs as a result. Since the Scan and Data pulse is applied one line at a time as above, the address time of PDP is very long.
4) IDS Pulse (InDependent Sustain Pulse) Since an Odd Scan is performed first, the Odd line output sustains optical twice during the IDS section. At this time, a Sustain Discharge does not occur for the Even line because the Even line is not scanned.
5) CPS Pulse (ComPare Sustain Pulse) By floating the Odd line that caused the Sustain Discharge in the IDS section to the Vscan-h level, and introducing the Sustain Discharge only for Even lines, it compensates for the optical output difference between the Even and Odd lines.
6) CMS Pulse (ComMon Sustain Pulse) Actual optical is output during the common Sustain Discharge section.
Page 77
Circuit Description
Samsung Electronics 13-9
Mechanism of the FET Operation and High-Voltage Switching
Mechanism of the FET Operation
1) When the signal is output to the gate, (positive electric potential) FET short circuits (i.e. Conductor of resistance 0)
2) When no signal is output to the gate (GND), FET changes to an open circuit (i.e. an insulator of resistance ∞).
High-Voltage Switching of the FET Operation
1) When no signal is applied to G1, FET1 is opened and when the signal is applied to G2, FET2 short circuits, GND is output via the output terminal.
2) When a signal is applied to G1, FET1 short cir cuits and when no signal is applied to G2, FET2 is opened, and 180V is output via the output terminal.
Page 78
Circuit Description
13-10 Samsung Electronics
Drive Board Connector Layout
1) X-Main Board
1.Vs
2.Vs
3.DGND
4.DGND
5.Ve
6.DGND
7.DGND
8.Vcc
1
CN4004
- Power
8
CN4002
280mm
CN4001
CN4003
- Signal
140mm
Page 79
Circuit Description
Samsung Electronics 13-11
2) Y-Main Board
CN5506
-
Panel
CN5505
-
Panel
CN5504
-
Panel
CN5010
CN5011CN5509
9
CN5010
1
-
Panel
9. Vs
8. Vs
7. GND
6. GND
5. Vset
4. GND
3. Vscan
2. GND
1. Vcc
CN5503
-
Panel
CN5502
-
Panel
CN5501
-
Panel
CN5012CN5508
CN5507 CN5004
280mm
CN5013-
signal
190mm
Page 80
Circuit Description
13-12 Samsung Electronics
<Voltage Adjustment Specifications>
Vset Vs Vsc_l Vsc_h Ve Va
195V 200V -190V -70V 120V 65V
Adjust the drive waveform so that the main reset (rising, falling:40usec) is the same as those in the F/W pattern.
(Attachment 1 reference)
120usec
70usec
Rising ramp
Variable register
Falling ramp
Variable register
< Y-Main >
Vsc_h Variable
register
Page 81
Circuit Description
Samsung Electronics 13-13
Check that the output of X-Out of the X board follows the waveform of Attachment 2 when the power is supplied.
X-OUT
Page 82
Circuit Description
13-14 Samsung Electronics
Attachment 1
Y Output Waveform
Rising Ramp
<RisingRamp>
Falling Ramp
< Falling Ramp >
Page 83
Circuit Description
Samsung Electronics 13-15
< Even_Scan >
<YSustain>
Scan_l
Page 84
Circuit Description
13-16 Samsung Electronics
Attachment 2
X Output Waveform
<XSustain>
Page 85
5-1Samsung Electronics
Electrical Part List
5. Electrical Part List
5-1 PS42C6HX/XEC Service Item
Loc. No. Code No. Description Specification Q'ty SA/SNA Remark
M0013 BN96-03160K ASSY COVER P-REAR 42C6H,XEC,PCM,T0.5,NO 1 S.A
M0027 BN96-03154B ASSY STAND P-BASE C7,HGI T3.0,BKP-1526,R 1 S.A
M2893 BN39-00632B LEAD CONNECTOR PS-42E7HX/XEC,UL1617#22,U 1 S.A
M2893 BN39-00667D LEAD CONNECTOR-LVDS AUDI,UL20276#30,31PI 1 S.A
M2893 BN39-00675A LEAD CONNECTOR PUCCINI,UL1007#26,10PIN,1 1 S.A
M2893 BN39-00676A LEAD CONNECTOR PUCCINI,UL1007#26,12PIN,1 1 S.A
T0003 BN96-03762P ASSY COVER P-FRONT 42C6H(HQ),EU(Ready),H 1 S.A
T0044 BN96-04174A ASSY PDP MODULE P 42HD,W1,1024*768,compl 1 S.A
T0074 BN59-00539A REMOCON AUDI,TM87B,SAMSUNG,54Key,31mArms 1 S.A
T0079 BN94-01364A ASSY PCB MISC-MAIN PS-42C6H,EU,D74A,BN41 1 S.A
T0159 BN96-01856A ASSY PCB P-SMPS SPD-50P5HD(DC_DC),200Vin 1 S.A
T0159 BN96-03743A ASSY PCB P-SMPS PS42E7H,Free-Volt,245*37 1 S.A
T0175 BN96-02785A ASSY SPEAKER P 8ohm,Twister,42inch,10W 1 S.A
T0245 BN39-00164A LEAD CONNECTOR-ASSY GH15LS/MS,UL/CSA,1P, 1 S.A
T1910 BN96-03350A ASSY PDP MODULE P-X MAIN BOARD 42HD,PL42 1 S.A
T1911 BN96-03351A ASSY PDP MODULE P-Y MAIN BOARD 42HD,PL42 1 S.A
T1914 BN96-03353A ASSY PDP MODULE P-ADDRESS E BU 42HD,PL42 1 S.A
T1915 BN96-03354A ASSY PDP MODULE P-ADDRESS F BU 42HD,PL42 1 S.A
T1917 BN96-04177A ASSY PDP MODULE P-LOGIC MAIN 42HD,W1,102 1 S.A
T9698 BN96-03352A ASSY PDP MODULE P-Y MAIN SCAN 42HD,PL42A 1 S.A
Page 86
Samsung Electronics5-2
MEMO
Page 87
Disassembly & Reassembly
Samsung Electronics 12-1
12. Disassembly & Reassembly
12-1 Overhaul Disassembly & Reassembly
Notice
- Be sure to separate the power cord before disassembling the unit.
- Discharge the capacitors first when separating PCB's with high capacity capacitors such as SMPS, X Main Board, Y Main Board, etc. (Aspark may be generated by the electric charge, and there is danger of electronic shock.)
- Check that the cables are properly connected referring to the circuit diagram when disassembling or assembling the unit taking care not to damage the cables.
- Take care not to cause a flaw in the Glass Filter in the front.
- Assemble the boards in the reverse order of the disassembly.
- The plasma must be layed down on a flat padded surface for disassembly and reassembly.
Part Name Description Description Photo
Cover
Rear
Remove 4 screws.( )
: M8,L16,ZPC(BLK),SWRCH18A,WP
Remove 14 screws.( )
: BH,+,B,M4,L12,ZPC(BLK)
Remove 4 screws.( )
: BH,+,S,M4,L10,ZPC(BLK)
Remove the ASSY COVER REAR.
12-1-1 Separation of ASSY STAND P-BASE
Part Name Description Description Photo
Stand
Remove 4 screws.
: PH,+,WSP,S,M4,L35,ZPC(BLK)
Pull the ASSYSTAND P-BASE down to remove it from
the unit.
: Please lay the PDP unit face down on a soft surface
when removing the stand.
12-1-2 Separation of ASSY COVER P-REAR
Page 88
Disassembly & Reassembly
12-2 Samsung Electronics
12-1-3 Separation of ASSY BRACKET P-TERMINAL
Part Name Description Description Photo
Bracket
Terminal
Remove the 2 Hex nuts for the PC input.
: #4-40,L6,NI PLT,C3601,-
Remove Bracket Terminal.
12-1-4 Separation of ASSY PCB MISC-MAIN
Part Name Description Description Photo
Main
Board
Detach all connectors from the Main Board.
Remove 4 screws.
: PH,+,WWP,M3,L8,NI PLT
Remove the Main Board.
12-1-5 Separation of BRACKET-PCB
Part Name Description Description Photo
Bracket
PCB
Remove 3 screws.
: BH,+,S,M4,L10,ZPC(BLK)
Remove the BRACKET-PCB.
Page 89
Disassembly & Reassembly
Samsung Electronics 12-3
12-1-7 Separation of SHIELD CASE
Part Name Description Description Photo
Shield
Case
Remove 2 screw.
: BH,+,S,M4,L10,ZPC(BLK)
Remove the Shield Case.
12-1-6 Separation of FILTER-EMI AC LINE
Part Name Description Description Photo
FILTER
EMI
AC LINe
Detach connector from Main SMPS.
Remove 2 screws.
: PH,+,WWP,M3,L8,NI PLT
Remove a screw.
: BH,+,S,M4,L10,ZPC(BLK)
Remove FILTER-EMI AC LINE.
12-1-8 Separation of ASSY BRACKET P-WALL
Part Name Description Description Photo
Wall
Bracket
Remove 8 screws.
: BH,+,B,M4,L12,ZPC(BLK)
Remove 8 screws.
: BH,+,S,M4,L10,ZPC(BLK)
Remove Wall Bracket.
: Please lay the PDP panel face down on a soft surface
when separating front cover.
Page 90
Disassembly & Reassembly
12-4 Samsung Electronics
12-1-10 Separation of ASSY BOARD P-POWER&IR
Part Name Description Description Photo
Power
&
IR Board
Remove 2 screw.
: BH,+,-,S,M4,L8,ZPC(BLK)
Remove the Power & IR Board.
12-1-9 Separation of ASSY SPEAKER P
Part Name Description Description Photo
Speaker
Remove 4 screws.
: BH,+,WP,B,M4.0,L12,ZPC(BLK),SWRCH18A,-
Remove the Speaker.
Page 91
Disassembly & Reassembly
Samsung Electronics 12-5
12-1-11 Separation of ASSY PCB P-SMPS & SMPS DC-DC
Part Name Description Description Photo
SMPS
&
SMPS
DC-DC
Board
Detach all connectors from the Assy PCB P-SMPS.
Remove 8 screws.
: PH,+,WWP,M3,L8,NI PLT
Remove the Assy SMPS PCB.
Detach all connectors from the Assy SMPS DC/DC
Board.
Remove 4 screws.
: PH,+,WWP,M3,L8,NI PLT
Remove the SMPS DC/DC Board.
: Wear gloves when handling the power board as there may be some remaining electrical charge in the capacitor. Specifically, avoid touching any part of the capacitor.
12-1-12 Separation of ASSY PDP MODULE P-LOGIC MAIN BOARD
Part Name Description Description Photo
Logic
Board
Detach all connectors from the Logic Main Board.
Remove 4 screws.
: WSP,PH,+,M3,L8,NI PLT
Remove the Logic Main Board.
Page 92
Disassembly & Reassembly
12-6 Samsung Electronics
12-1-13 Separation of ASSY PDP MODULE P-X MAIN BOARD
Part Name Description Description Photo
Flat Cable
Detach all Connectors from the X Main Board.
To separate the Flat Cable of the X-Board, press the
upper and the lower sides of the connector.
X-Main
Board
Remove 4 screws.
: PH,+,WWP,M3,L8,NI PLT
Remove the X-Main Board.
Page 93
Disassembly & Reassembly
Samsung Electronics 12-7
12-1-14 Separation of ASSY PDP MODULE P-Y MAIN BOARD
Part Name Description Description Photo
Flat Cable
Detach the 6 scan board connectors from the panel by
pulling the holder from both the top and bottom ends.
Y-Scan
Remove 2 screws.
: PH,+,WWP,M3,L8,NI PLT
Y-Main
Board
Remove 4 screws.
: PH,+,WWP,M3,L8,NI PLT
Detach all connectors from the Y-Main Board.
Page 94
Disassembly & Reassembly
12-8 Samsung Electronics
12-1-15 Separation of ASSY PDP MODULE P-ADDRESS BUFFER BOARD
Part Name Description Description Photo
Still Bar
Remove 3 screws.
: PH,+,WWP,M3,L8,NI PLT
Remove the still bar.
Buffer
Detach the all connectors from the buffer board.
Remove 10 screws.
: PH,+,WWP,M3,L8,NI PLT
Remove the E-Board and F-Board.
Page 95
4. Exploded View & Part List
Exploded View & Part List
Samsung Electronics 4-1
4-1 PS42C6HX/XEC
Loc. No. Code No. Description Specification Q'ty SA/SNA Remark
CIS7 AA61-60003B SPRING ETC-CS -,SUS304,-,-,OD11.2,N7,OD1 1 S.N.A M0006 BN63-02383F COVER-REAR 42C6H,PCM,T0.5,BKM-P703,NO Si 1 S.N.A M0013 BN96-03160K ASSY COVER P-REAR 42C6H,XEC,PCM,T0.5,NO 1 S.A M0027 BN96-03154B ASSY STAND P-BASE C7,HGI T3.0,BKP-1526,R 1 S.A M0107 BN61-02315D BRACKET-PCB 42C7,SECC,0.8 1 S.N.A M0111 BN63-02387A COVER-STAND 42C7,HIPS,HB,BKP-1526 1 S.N.A M0112 BN63-02375P COVER-FRONT 42C6H,HIPS,HB,EU(Ready),GRAY 1 S.N.A M0115 BN61-02659A BRACKET-STAND 42C7,HGI,T2.0 1 S.N.A M0145 BN96-02784B ASSY BOARD P-FUNCTION CADILLAC,SJ06-01-0 1 S.A M0150 BN96-04343A ASSY BRACKET P-FILTER BOTTOM 42C7,AL 1 S.N.A T0003 BN96-03762P ASSY COVER P-FRONT 42C6H(HQ),EU(Ready),H 1 S.A T0023 BN96-03173A ASSY COVER P-KNOB POWER 42P7,ABS 1 S.N.A T0023 BN64-00459A KNOB POWER 42P7,PC,Violet 1 S.N.A T0044 BN96-04174A ASSY PDP MODULE P 42HD,W1,1024*768,compl 1 S.A T0059 BN64-00461A INDICATOR LED 42P7,PMMA 1 S.N.A T0061 BN64-00462A WINDOW-REMOCON 42P7,ACRYL,5% 1 S.N.A T0074 BN59-00539A REMOCON AUDI,TM87B,SAMSUNG,54Key,31mArms 1 S.A T0079 BN94-01364A ASSY PCB MISC-MAIN PS-42C6H,EU,D74A,BN41 1 S.A T0175 BN96-02785A ASSYSPEAKER P 8ohm,Twister,42inch,10W 1 S.A T0268 3903-000145 CBF-POWER CORD DT,EU,FP3/YES,U(IEC C13-R 1 S.A T0448 BN96-03144D ASSY BRACKETP-TERMINAL 42C7,P7,SECC T0. 1 S.N.A T0456 BN67-00177A GLASS-FILTER EMI 42" C7 V5.1,Sputter,T=4 1 S.A T0603 BN64-00460A KNOB-DECORATION POWER 42P7,ABS,HB,AL 1 S.N.A
T0074
T0003
T0268
T0456
T0044
M0027
M0107
T0079
M0006
T0448
M0013
M0112
T0175
T0061
T0023
CIS7
M0150
T0023
T0603
M0111
M0115
M0145
T0059
Page 96
Samsung Electronics
Schematic Diagram
10-1
This Document can not be used without Samsung’s authorization.
10-1 Analog
10. Schematic Diagram
Power
Signal
10-1-1 POWER
V5.6A
PT
101
DNG
301PT
V21A
401PT
DNG
maV81
p
501PT
pm
aV81
NG
D
601PT
PT
701
D
NG
+
V33
801PT
DNG
901PT
KLIS
01 9 8 7 6 5 4 3 2 1
UOS
THW 01-052WM
S
01NC
1
CV
V5B
C
101DB
TJ121-2354H1-HH
_DN
PMA
V6+
C
201
101C
Fn001
Fu00
1
V52
61
V
V
401DB
TJ121-2354H1-HH
81+
101CI
D87AIK
F50
1
3
I
O
G
2
801DB
TJ121
H1-
-2354
HH
411C
Fn001
5
V
0
V33+
501D
B
-
121C
02
1C
Fn001
Fu01
V05
V05
_
201PT
401C
301C
Fu001
Fn001
2
V
1D
231
C
331C
Fn001
Fu00
1
2
V5
2
V5
A
_DNUOS
PM
DNGS
DNGS
N
G
D
D
DNGP
V5B
B
DV8.1
V_V5.
4
CI
411DB
-
HH
TJ121-2354H1
521C
74
Fu0
V61
421C
C
V21B
621
Fn001
Fn01
DNG
P
B
V8
921C
Fu0
1
61
V
C
DNGP
DNGP
01
A52-D7111PA
23
TUOV
NIV
JDA
1
031
Fn001
V61
DNGP
B
411PT
721C
Fu001
P
DNGP
DNG
DD
2
821C
Fn001
B
701DB
201NC
V3.5
D
1
51
PT
611PT
DNG
DNG
T
711P
DNG
V21
D
811PT
NO_SP
021PT
DNG
V5_DTS
P
1
T
21
21
1
1 01 9 8 7 6 5 4 3 2 1
KLIS
2
01DB
J121
T
-2354H1-HH
52
011C
501
C
Fn00
Fn01
1
901C
Fu001
V
P
DNG
111C
C
Fu001
V
61
DNGP
861C561C
Fu
01
V6
1
C
201CI
011PT
1
601
Fn001
761
PF8
71A
0M8
B
1
NI
D
NG
2
701C
Fn01
801CI
1
NI
DNG
2
111PT
3
TUO
211C
801C
Fu22
n001
F
V61
V9B
PF90M871AB
3
TUO
01
Fu
1
V6
C
661
Fn001Fn001
311DB
-
31C
V61
101R
W01/1 mhoK01
10nF
50V
501CI
ND3851PM
8
C134
25V
100nF
8
Fu074
1
S
SB
S
1DNGM
7
2
E
NI
N
6
3
S
W
PMOC
4
5
DNG
BF
C139
1
01L
C
731
Fn001
V52
100Kohm
R104
50V
18pF
3.3nF
50V
C145
T
Hu22
R150
R103
6.8Kohm
1uF
10V
1/10W
15Kohm
01D
1
C141
R105
200ohm
1/10W
911P
1/10W
120uF
C136
B
6.3V
B
25V
100nF
C142
C146
DNGP
R
P_WS
mho22
2
5
11
DB
TJ121-2354H1-HH
41C
3
C
741C
841
Fn01
Fu001
Fn001
61
V
V5
A
941C F
u22 V61
DNGP
01R
601CI
A
33-D7111PA
3
T
UOVNIV
DA
J
C
1
051C
Fn00
1
V61
DNGP
FERX
W01/1
2
21PT
2
441
Fu001
V61
151C
Fn001
EWO
3.3A
V
701CI
A33K4801P
A
1
3
NI
TUO
DNG
2
351C
251C
Fu001
1
V61
DNGP
Fn00
V61
1
32
PT
551C
451C
Fn001
0
F
01
u
V61
V61
DV3.3B
H
V3.3A
-2354H1-HH
.
M_DV3
B
3
111DB
TJ121-2354H1-H
211DB
J121
T
T-510-L2102BCA
601D
221C
Fu01
901D
321C
Fn001
V5
2
V6
1
DNGP
V
8.1D
XP
_
T-510-L2102BCA
061C
131C
Fu001
Fn001
V6
1
V52
.
8
AV_XP
1
T-510-L2102BCA
25V
100nF
161C
Fu001
V6
1
C135
1
8
LV_
.
X
P
011D
-510-L2102BC
T
A
25V
100nF
C
261
Fu00
1
V61
C140
Page 97
Samsung Electronics
Schematic Diagram
10-2
This Document can not be used without Samsung’s authorization.
10-1-2 MICOM
Power
Signal
MICOM
202TSET
*
D
ADS_DAOLNWO LCS_DAOLNW
OD
R
TESE 102U DN
G
672R MORPEE_LCS_NIAM MO
_LCS
RPEE
972R
182R MORPEE_ADS_NIAM MORPEE_ADS
382R
1 2
1 1
3
1
4
1
5
1
10Kohm R267
mho01
mho01
1
mho0
m
ho01
C
B
E
402Q
FE
RX
DS
FE
RX
FE
RX
WS
FERX
DNGD
5A
L203
10uH
512C
Fn001
D
CI
502
XM5213TSF
41
1
CV
1EO/
C
31
2
E
4
/
A1
O
21
3
A4
B1
4
11
/
B
2EO
4
0
1
5
3
A2
EO/
6
9
B
A3
2
8
DNG7B
3
482R
mhoK74
3261CSK
Y-
V
5A
V5_IMD
H
V5_CP
D201
1N4148WS-F
02R
1
1
1TUPNI_YEK_NIAM
FERX
4.7KohmR217
2TUPN
I_YEK_NIA
RX
FE
_1CS
DI_1TNOC_4D
RX
FE
DI_3
TNOC_4D_2CS
FERX
FERX
TFA_RENUT
FERX
MOCIM_DXT
IM_DX
MOC
R
D
FERX
FERX
CGA_VT
mho0
100ohm
RA202
1/16W
1/16W
RA201
100ohm
1/16W
12
34
56
78
AM
100ohm R210
2
1
12
34
56
78
_
NI
100ohm
1
34
56
78
302AR
M
202CI
952R
mho001
R
262
mho001
ho001
m
362R
72R
1
mho01
372R
mho01
572
R
ho01
m
872R
mho01
78
1/16W
100ohm
RA213
R268
R269
123456
100ohm
100ohm
MCAD(2)
MCAD(1)
MCAD(0)
402AR
6
78
12
34
5
O
CI
PGS04803M
1
R264
TP210
100ohm
MCAD(5)
MCAD(4)
MCAD(3)
502AR
2
34
56
1
M
MCAD(7)
MCAD(6)
mho01
78
1/10W
100ohm
R213
R0211
100ohm
202R
20
2C
302C
062
R
mho01 mho01
mho01
mho74
D
M_DV3.3B
292R
092R
mhoK7.4
mhoK7.4
392R
mhoK7.4
192R
mhoK7.4
5
02Q
L2007N2
M_DV3.3B
M
FE
RX
T
SR_RENUT__MOCIM
_DV3.3
M
0A 0LCS
TE
SER_MOCIM
REWOP_
RTNC_R
I
FE
RX
SER_MOCIM
TE
FERX
4
12C
V
1 2 3 4
612C
u1
F
DNG
mho01
472R
R
R
R
RX
mho01
772
082
mho01
mho01
282
R
Fn001
02CI
4
T6NM W-23C42M
8
CCV
0E
1
7
E
1
/
CW
6
2E
LCS
5
DS
SSV
A
FERX
FE
NI_YEK
FERX FERX
mho001
0020
W01/1
o00
mh
1
1020R
W01/1
V
3.3A
7.4
202PT
W_M
P
ORPEE
752R
mho001
1
mho00
R
852
1TUPNI_YEK_NIAM
1TUP
2TUPNI_YEK_NIAM
2TUPNI_YEK
FERX
RTNC_RI
02X
1
(H5MS/94-C
H
1
zHM0.0
C212
50V
22pF
R
452
mhoK3.3
3
52R
mhoK
102_PT
1
LCS_
PT
1
ADS_PT
1
DNG_PT
1
B
102L Hu01
542R
FERX
VTD_RI
M_DV3.3B
RI
S
)mpp03,zHM01
C213
50V
22pF
5
52R
3.3
mhoK
FERX
FERX
S
302Q
Y-3261CSK
C
B
E
mho0
01
mho0
RX
FE
RTNC_RI
122R
202Q
FERX
L2007N2
FERX
LES_VTD_CII
ERX
F
LES_VTD_PMOC
FERX
3
LES_DNUO
RX
FE
2LORTNOC
R
_V_CP
I
DS
62R
FERX
NTESE
FERX
NYS
C
RX
FE
I
#TN
FERX
1LES_DNUOS
FERX
2LES_DNUOS
ERX
F
PH_TNED
FERX
7528VTS_A
FERX
MORPEE_ADS_NIAM
FERX
MORPEE_LCS_NIAM
MORPEE_LCS
ORPEE_AD
M
01
mhoK
1
2
412R
mhoK6.3
42Rm
0
R_DAOLNWOD
602R
mhoK2
C201
100nF
D
1 3 5 78
mhoK1
ho001
m
632
R
832R
01
1 3 5 7
1 3 5 78
8
KLCS_DAOLNWOD
1
YSUB_DAOLNWOD
1
MPE_DAOLNWOD
1
EC_DAOLNWOD
DXT_DAOLNWOD
1
DX
1
7
02R
mhoK01
402C
Fu22
10Kohm
10Kohm
4.7Kohm
R209
R208
R215 3.6Kohm
R216
702C
05
V Fn1
DNG
2 4
602AR
6
mho001
W61/1
032R
432R
mho001 mho001
o0
h
mho0
142R
mho0
502R
2 4
0
12AR
mho001
6
W61/1
8
2 4
2
12AR
mho001
6
/1
W61
FE
RX
E_SDVL
N
FERX
ESER_752
T
F
ERX
7528VTS_LCS
FERX
V3.3A
mhoK
)7:0(DACM
mhoK7.4
B
W01/
1
D
0120R
mhoK01
W01/1
n1
F V05
n1
F
05
V
DNGD
mho01
W01/
1
56
2R
662R
072R
R
272
NOITPO ETELE
682
R
mhoK01
702Q
L2007N2
202D
K
C
E
Q
102
Y-3261CSK
DNG
M_DV3.3B
202L
Hu01
C205
602C
22
Fu
25V
61
V
100nF
DNGD
mho74 mho0 mho0 mho0 mho0
12 34
02AR
7
5 78 12
802AR
34 56 78
442
R
9
02AR
1 34 56 78
112AR
12 3 56 78
842R 942
R
052
R
152R
252R
652R
CCV_V5B
R
782
mhoK01
FERX
2LCS
FERX
2ADS
FERX
CCV_CDD
481SD
D
PW_CD
FERX
D
FERX
FERX
V3.3B
022
R
mhoK7.4
812R
mhoK3.3
2120R
mhoK7
.4
622R 722R 822R 922R 132R
mho01
6
mho01
mho01
2
mho01
mho01
4
mho01742R
m
1
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mho01 mho01 m
1
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mho0
1
mho0
V3.3_2LCS
TESER_IN
YSUB
M_D
V3.3A
F
L
D D
912
R
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m
322R
mhoK7.4
222R
m
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FE
RX
RX
RX
052
R
1
52R
252
R
652
R
NI_TESER
FERX
0ADS
FE
0LCS
FE
1ADS
F
ERX
LCS
1
)0(ACM )1(ACM )2(ACM )
3(ACM
)4(ACM
)12:0(ACM )5(ACM )6(ACM
)7(ACM
)
CM
8(A
)9(ACM )01(A
CM
)11(ACM )21(A
CM
)31(ACM
1(A
)4
CM
1(A
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CM
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M
1(A
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CM
81(ACM
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M
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12(A
M
)
C
)12:0(ACM
NOITPO ETELED
M1
1SC
FERX
E
C
FERX
NSC
FERX
EO
FERX
RX
RX
FE
FE
FERX
DXR_MOCIM
DXT_MOCIM
ELA
D
M_DV3.3B
902C
Fn0
01
802C
Fu01
OITP
N
O ETELE
V61
232R
o0
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mh
FER
X
R
932
mho0
FERX
3
I
02C
XCTM542XCL47
02
CCV
RID
91
1
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81
B
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1
2
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1 1
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3
B
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2
6
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4
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51
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5
4
A
B
6
5
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6
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B
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B
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1
DNG8
B
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1 2 3 4 5 6 7 8 9
01
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ED
FERX
EC_DAOLNWO
FERX
NT
RX
FE
YSUB
)12:0(ACM
NOITPO ETEL
4.7Kohm
R224
NOITPO ETELED
A
R242
R225
10Kohm
10Kohm
S
H
91(ACM
)
81(ACM
)
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242R >- ETELE
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1
I
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6(DACM
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DACM
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DACM
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1(DACM
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EC
FERX
X
FER
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C
012C
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M_DV3.3B
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Hu2.2
112
Fu22
512AR
412AR
mhoK7.4
mhoK7.4
W61/1
W61/1
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M
0
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M_DV3.3B
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mho0
W01/1
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W61/1
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MO
722C
822C
V61
Fu22
Fn001
V61
DNGD
12 34 5
R
703 8
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V3.3
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P1.5/HSYNC-O
P0.5(2)
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P0.6(2)16NC
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38NC39
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35
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P3.4/PWM4(2)
P1.2/AD220VDD2
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FERX
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P3.2/PWM2/SCL1(2)
P3.3/PWM3/SDA1(2)
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VSS2
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12 34 56 7 12 3 56
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mho0
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W61/1
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W61/1
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FER
X
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NOITPO ETELE
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T
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FERX
202X
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TSR_V3.3/
6
LOT_V5
LOT_V3.3
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XT_YNA_ECIVRES XR_YNA_ECIVRES
Page 98
Samsung Electronics
Schematic Diagram
10-3
This Document can not be used without Samsung’s authorization.
Power
Signal
10-1-3 IN_OUT_JACK
J
D
C
C OC
33PT
7 833PT 9
33PT
043PT 1
43PT
243P
T 443PT
1
5
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C
ETELED YDAER
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B
T
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S S
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mho0
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RX
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mho57443R
FERX
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7
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m
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S
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C_1VA_
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173
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C
MS
41-052W
1
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Y
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2 3 4 5 6 7 8 9
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1
1
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9
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5
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C
P
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m
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5
1
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623R
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7
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3C
07
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173C
01
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NOITPO ETELED
FERX
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DIS
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S
DI
DI
PH_TNE
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L
H
R_TUO_PH
OITP
ED
N
O ETEL
mho0
FERX
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001
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C
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CVS_VTD_XR
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343C
443
C
HTG03C3SDC
Fp033
Fp033
NI_RS_CP
FERX
mho074863R
NI_
P
LS_C
CNYS_H_CP
CNYS_V_CP
P
TU
NI_CP
Y_EDIS_2VA
C_EDIS_2VA
IS_TNEDI
SHVS_ED
DIVS
_
E
E
E
FERX
FE
RX
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A
FE
RX
S
NI_RS_VA_EDIS
LS_VA_EDIS
NI_
SBVC_2V
VA_EDIS_TNEDI
U
PNI VA_
T
H_EDI
P
VA_EDIS
TUPNI O
NI_DNGA
Page 99
Schematic Diagram
10-4 Samsung Electronics
This Document can not be used without Samsung’s authorization.
Power
Signal
10-1-4 HDMI
HDMI_INPUT
V5_IMDH
FERX
34D
0
B2.6ZLR
NI_DNGD
01/
W
1
m
1
hoK
434
R
0
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m
NOITPO ETELED
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mho01
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R
mho01
26
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mh
464R
mho01
564
o
mh
1
0
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m
764R
K
4RmhoK01
63
C
B
Y-3261CS
E
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NI
CV
C
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RX
FE
134R
03
4R
34D
3
BM2.8DR
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134D
2
2
1
1
2
3
1
2
D
3
3
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01
Fu
61
V
I
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N
D
I_DNG
N
534R
734R
1
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834R
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Page 100
Samsung Electronics
Schematic Diagram
10-5
This Document can not be used without Samsung’s authorization.
Power
Signal
10-1-5 SOUND
SOUND
V
8B
Hu01315L
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RX
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