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 of a too great magnitude 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
earthed 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
earthed 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 regular ones
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 Electronics1-1
To avoid possible damages or 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
EXPOSED METAL
2-WIRE CORD
ALSO TEST WITH
PLUG REVERSED
(USING AC ADAPTER
PLUG AS REQUIRED)
TEST ALL
SURFACES
LEAKAGE
CURRENT
TESTER
NOT BE ABOVE
0.5mA)
EARTH
GROUND
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
1-2Samsung Electronics
!
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 ensure wearing protective 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 Electronics1-3
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
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 ass'ys. 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 ass'y 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. A solder 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 ass'y.
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
1-4Samsung 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.
Precaution
Samsung Electronics1-5
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.
A rise in temperature within the product may cause fire.
9.When moving a PDP with attached 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.
1-6Samsung Electronics
MEMO
Product Specification
Samsung Electronics2-1
2. Product Specification
2-1 Product Features
BlockSpecficationMajor ICRemark
RFDigital/Analog (DTV Built In)
VSB NIM Tuner
S5H2010A01 (Eagle+)
PDP ModuleSamsung SDI V4 Module42" HDNew Module
PowerSamsung electro mechanics SMPS42" HD SMPSNew SMPS
Use other equipment only after comparing the result with that of the Master equipment.
Set Aging Time: Longer than 30 min.
Pattern Resolution: Given below.
Calibration Available/None and Pattern used for Calibration.
White Balance coordinates configuration result. (On the basis of the ABL pattern. The resolutions are given below)
For PC Mode, perform only calibration and do not perform additional W/B adjustments.
Input modeCalibrationPattern
CVBS IN (Model_#1)Perform in NTSC B&W Pattern #24Lattice
Component IN (Model_#6)Perform in 720p B&W Pattern #24Lattice
PC Analog IN (Model_#21)
Perform in VESA XGA (1024x768)
B&W Pattern #24
Lattice
HDMI INNone-
<Table 1>
<Table 2>
Input modexyY(fL)T(K)/MPCD
CVBS IN
(NTSC)
H/L265265Do not adjust15000K/-5
L/L2802851.210000K/-5
Component IN
(720p, 60Hz)
H/L265265Do not adjust15000K/-5
L/L2802851.210000K/-5
PC Analog INNone
HDMI IN
(720p, 60Hz)
H/L265265Do not adjust15000K/-5
L/L2802851.210000K/-5
Alignment & Adjustment
3-12Samsung Electronics
ItemWarm 2Warm 1NormalCool1Cool2
AV
Component
HDMI
R Cutoff 128128128128128
G Cutoff128128128128128
B Cutoff128128128128128
R Gain128128128128128
G Gain128128128128128
B gain128128128128128
R Cutoff 128128128128128
G Cutoff128128128128128
B Cutoff128128128128128
PC
R Gain128128128128128
G Gain128128128128128
B gain128128128128128
R Cutoff 128128128128128
G Cutoff128128128128128
B Cutoff128128128128128
R Gain128128128128128
G Gain128128128128128
B gain128128128128128
<Table 3>
Alignment & Adjustment
Samsung Electronics3-13
3-4-2 Conditions for Measurement
1. On the basis of toshiba ABL pattern : High Light level (57 IRE)
■ INPUT SIGNAL GENERATOR : MSPG-925LTH
* Mode NO 1 : 744X484@60 Hz
NO 6 : 1280X720@60 Hz
NO 21 : 1024X768@60 Hz
* Pattern NO 24 : B&W Lattice Pattern
NO 16 : Toshiba ABL Pattern
2. Optical measuring device : CA210 (FL)
Please use the MSPG-925 LTH generator for model HP-R4272C
3-4-3 Method of Adjustment
1. Adjust the basic level of Component,PC and CVBS input signals.
a) Enter factory Calibration, confirm the ADC data (Component, PC, AV Modes).
* ADC default value : Table 1
* You must perform Calibration in the Lattice pattern before adjusting the White Balance.
* If you perform Calibration in a pattern other than the Lattice pattern, it causes a malfunction and the operation will not finish.
In this case, press the "EXIT" button on the remote control to terminate the operation.
1) Enter Service mode.
2) Apply the NTSC Lattice (No 1) pattern signal to the VIDEO IN port.
3) Press the Source key to switch to "AV/S-VIDEO" mode.
4) After confirming that the Lattice pattern appears, select the "Calibration" menu.
5) Select the "AV Calibration" menu.
6) In "AV Calibration Off" status, press the "▶" key to perform Calibration.
7) When Calibration is complete, it returns to the high-level menu.
8) Apply the 720p Lattice (No 6) pattern signal to the COMPONENT IN (Y/Pb/Pr) port.
9) Press the Source key to switch to "COMPONENT" mode.
10) After confirming that the Lattice pattern appears, select the "Calibration" menu.
11) Select the "COMP Calibration" menu.
12) In "COMP Calibration Off" status, press the "▶" key to perform Calibration.
13) When Calibration is complete, it returns to the high-level menu.
14) Apply the 1024x768 Lattice (No 21) pattern signal to the PC IN port.
15) Press the Source key to switch to "PC" mode.
16) After confirming that the Lattice pattern appears, select the "Calibration" menu.
17) Select the "PC Calibration" menu.
18) In "PC Calibration Off" status, press the "▶" key to perform Calibration.
19) When Calibration is complete, it returns to the high-level menu.
20) All Calibration operations are complete.
Picture 2-1 B&W Lattice Pattern
Alignment & Adjustment
3-14Samsung Electronics
2. Adjust the white balance of HDMI,Component and AV Modes.
a) Set the input to the mode in which the adjustment will be made (HDMI, Component, AV adjustment. Do not adjust in PC
Mode.)
* Input signal - AV Mode : Model #1 (744*484 Mode), Pattern #16
- Component/HDMI Mode : Model #6 (1280*720 Mode), Pattern #16
b) Enter the White Balance menu of service mode and confirm the data.
c) Adjust the low light. (Refer to Picture 2-3 for measurement point.)
- Adjust Sub-Bright(SVP) 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 Picture 2-4 for measurement point.)
- Adjust Sub-Contrast(DNIe) to set the 'Y' value.
- Adjust red gain ('x') and blue gain ('y') to the color coordinates.
* Do not adjust the green gain and sub-contrast (Y) data.
Low light
Measurement point
Picture 2-3 Toshiba ABL Pattern
Picture 2-2 Toshiba ABL Pattern
High light
Measurement point
Picture 2-4 Toshiba ABL Pattern
Alignment & Adjustment
Samsung Electronics3-15
3-4-4 How to adjust White Balance with 10 steps gray pattern
1. If you don't have Toshiba ABL pattern, you can adjust white balance with 10 steps gray scale pattern of Picture 2-5.
2. When you measure Low Light, use 20 IRE portions.
And When you measure High Light, use 70 IRE portion. But if color noise is less in 60 IRE than in 70 IRE, 60 IRE is allowed as
a measure point.
3. Perform adjustments 2-b through 2-d from previous page using the 10 step gray scale pattern.
Picture 2-5
Alignment & Adjustment
3-16Samsung Electronics
3-5 Software Upgrade
3-5-1 Source Program Download & Generals
1. Downloading boot code
(1) Turn off PDP-TV.
(2) Connect the RS-232 serial cable to the service jack of PDP-TV.
(3) Enter the DOS Mode and move to the directory including "bootdn.bat" and Excute the file.
(4) Turn on PDP-TV.
2. Downloading application code
(1) Turn off PDP-TV.
(2) Connect the RS-232 serial cable to the service jack of PDP-TV.
(3) Enter the DOS Mode and move to the directory including "appdn.bat" and Excute the file.
(4) Power on PDP-TV.
■ Changing RS-232 serial port and downloaded file
If you want to change serial port, you must edit "bootdn.bat" and "appdn.bat".
"bootdn.bat" → sdn 1 0xdeadbbbb rom
execution filefile to be downloaded
port numberdownloading type : boot image
"appdn.bat" → sdn 1 0xdeadaaaa ram.z
execution filefile to be downloaded
port numberdownloading type : application image
1. Don' t turn off during downloading.
2. sdn.exe, download file and Batch file should be in the same directory.
3. During Downloading, Hyper Terminal should be turned off.
(2) Enter a new name.
(3) Select a modem port.(com 1 and direct connection.)
(4) Set the bit/second to 115200.
(5) Set the data bit to 8
(6) No parity bit.
(7) Set stop bit to 1.
(8) No flow control.
(9) Save in memory.
(10) At this point, the new hyper terminal is ready.
Alignment & Adjustment
Samsung Electronics3-17
3-5-2 How to Check the Version of the Program
1. Procedures for checking in the User Menu
- Select the "Setup" menu in the Menu screen
- Place the cursor over the "On" of "Function Help", and press the "Info" key on the remote control
- The version of the program is displayed at the bottom of the Menu screen
2. Procedures for checking in the Factory Menu
When entering Factory Mode, the version of the software is displayed at the bottom of the menu as described on page 3-2.
Main Program Version
Boot-code Version
Alignment & Adjustment
3-18Samsung Electronics
3-6 Replacements & Calibration
3-6-1 Voltage Adjustment
1. SMPS Panel voltages must be adjusted after changing SMPS-PCB or PDP module.
RangeBoard Adjustment
Vs195~215V
SMPS-MAIN
Va50~70V
Vset180~210V
SMPS-DC/DCVe70~110V
Vscan-180~220V
2. A point of adjusting SMPS-MAIN voltage.
SMPS-MAINSMPS-DC/DC
Voltage
Label
SMPS GND TP
TP : Vs (TOP)
Va (BOT)
Alignment & Adjustment
Samsung Electronics3-19
3. A point of adjusting SMPS-DC/DC.
* Use base chassis of PDP panel as GND point.
3-20Samsung Electronics
MEMO
4. Exploded View & Part List
Exploded View & Part List
Samsung Electronics4-1
Yon can search for the updated part code through ITSELF web site.
URL:http://itself.sec.samsung.co.kr
T0939BN96-02036AASSY PDP P-LOGIC E BUFF BOARDM1,SPD-42P1S.A
T0940BN96-02037AASSY PDP P-LOGIC F BUFF BOARDM1,SPD-42P1S.A
5-1Samsung Electronics
MEMO
Samsung Electronics5-2
Troubleshooting
Samsung Electronics6-1
6. Troubleshooting
6-1 First Checklist for Troubleshooting
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 Drive Board, and between the
Logic Boards.
Troubleshooting
6-2Samsung 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 Video 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 Video 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?
Connect The AC IN socket connector
and the Main SMPS CN800
Replace the Main SMPS
Replace the Main SMPS
Troubleshooting
Samsung Electronics6-3
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 Drive Board, and CN of the Y Drive 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 CN804-2
and CN803 cables from the
Main SMPS and shorting pins
4 and 5 of the CN804-2
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 Drive Board
Replace the Y Drive Board
Replace the Logic Drive
Board
Troubleshooting
6-4Samsung 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 Video Board is normal but the X, Y Drive Board, Logic Board, or Y Buffer Boards are 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 Drive Board, and CN of the Y Drive 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 Drive Board
Replace the X Drive Board
Replace the Logic Drive Board
Replace the Main SMPS
Replace the DC-DC SMPS
Replace the Y Buffer Drive Board
Troubleshooting
Samsung Electronics6-5
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 Video Board is out of order.
- Speaker defect.
Troubleshooting
Procedures
Is the cable connection between
the main Board and the speaker
properly connected?
Is the output voltage of SMPS
normal? (CN803 #6)
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
Troubleshooting
6-6Samsung Electronics
6-2-5 No Video
Symptom - A normal/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?
Check CN1001 pin 2 for +33V
Replace the Main Board
Configure properly
Replace the Main SMPS
Troubleshooting
Samsung Electronics6-7
6-3 Troubleshooting Procedures by ASS'Y
NoAssyCode No.DescriptionMajor Symptoms
1 ASSY PCB P-SMPSBN96-02213AMain SMPSNo power, Blank screen, the Relay repeats On and Off.
2 ASSY PCB P-SMPSBN96-01856ADC-DC SMPSBlank screen, the Relay repeats On and Off.
3 ASSY PDP P-X MAIN BOARDBN96-02032AX Drive BoardBlank screen
4 ASSY PDP P-Y MAIN BOARDBN96-02033AY Drive BoardBlank screen
This Document can not be used without Samsung’s authorization.
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NOITPO SSUARTS
Schematic Diagram
10-11Samsung Electronics
10-11 Function A'ssy Board
This Document can not be used without Samsung’s authorization.
Samsung Electronics
Schematic Diagram
10-12
1
10-12 Power & IR A'ssy Board
This Document can not be used without Samsung’s authorization.
Power
Signal
C0061608 5pF
100P
V
DD
S
DNG
TS_V5
TS_V
5
DEL
0
0R
6
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O
D
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L
REWOP
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LC
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HTG03C3SDC
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G03C3SDC
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300DEL
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6
7
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C0031608 100nF
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Schematic Diagram
10-13Samsung Electronics
10-13 Assy Side-AV
This Document can not be used without Samsung’s authorization.
Operation Instruction & Installation
Samsung Electronics11-1
11. Operation Instruction & Installation
11-1 Product Features and Functions
11-1-1 Front Panel
1
2
3
4
5
1SOURCE button
Press to display all of the available video
sources (TV, AV1, AV2, S-Video1, S-Video2,
Component1, Component2, PC, and HDMI).
2MENU button
Displays the main on-screen menu.
3VOL +, -buttons
Press to increase or decrease the volume.
Also used to select or adjust items on the
on-screen menu.
4CH(,) buttons
Press CHor CHto change channels.
Also used to move up or down in the on-screen
menu.
678
5(Enter) button
Press to confirm a selection.
6Power button
Press to turn the TV on and off.
Power indicator
- Power Off : Blue
- Power On : Off
7Remote Control Sensor
Aim the remote control towards this spot on
the TV.
8
Speakers
Operation Instruction & Installation
11-2Samsung Electronics
11-1-2 Side of the TV
S-Video Input
Video Input
Audio Input (L, R)
Ferrite Cores
The ferrite cores are used to attenuate
undesired signals.
When connecting cables, attach one
of these ferrite cores to the cable near
the connector.
When you connect COMPONENT
(VIDEO, AUDIO), or Side AV(VIDEO,
AUDIO) first bind the ferrite core
around each cable to secure it.
COMPONENT
Side AV
Operation Instruction & Installation
Samsung Electronics11-3
11-1-3 Rear Panel
1 POWER IN
Connect the supplied power cord.
2 SERVICE ONLY
Connector for service only.
3 HDMI/DVI IN
Connect to the HDMI jack of a device with
HDMI output.
These inputs can also be used as a DVI
connection with separate analog audio inputs.
An optional HDMI/DVI cable will be
necessary to make this connection.
When using the optional HDMI/DVI adapter,
the DVI analog audio inputs on your TV allow
you to receive left and right audio from your
DVI device. (Not compatible with PC)
4 DVI AUDIO IN (AUDIO-L/R)
Connect to the DVI audio output jack of an
external device.
5PC IN
Connect to the video output jack on your PC.
6 PC AUDIO IN
Connect to the audio output jack on your PC.
7 OPTICAL DIGITAL AUDIO OUT
Connect to a Digital Audio component.
8 COAXIAL DIGITAL AUDIO OUT
Connect to a Digital Audio component.
9 Anynet
Please refer to the Anynet Owner’s
Instruction. This jack is for connecting to
other Samsung Anynet-enabled devices.
10 COMPONENT IN 1, 2
Video (Y/PB/PR) and audio (L-AUDIO-R)
component inputs.
11 ANT (75Ω)
75 Ω Coaxial connector for Antenna/Cable
Network.
12 AV IN (AUDIO-L/R)
Audio inputs for external devices, such as
a camcorder or VCR.
13 S-VIDEO
Video input for external devices with an
S-Video output, such as a camcorder or VCR.
14 AUDIO OUT
Audio outputs for external devices.
15 VIDEO
Video input for external devices, such as
a camcorder or VCR.
Note
•Please be sure to match the color coded input terminals and cable jacks.
Operation Instruction & Installation
11-4Samsung Electronics
11-1-4 Remote Control
1 POWER button
Turns the TV on and off.
2 GUIDE button
Press to display the on-screen Electronic Program Guide (EPG).
3 ANTENNA button
Press to select “Air” or “Cable”.
4 Number buttons
-
button
5
Press to select additional channels (digital and analog)
being broadcast by the same station. For example, to select channel
“54-3”, press “54”, then press “-” and “3”.
6 MUTE button
Press to mute the TV sound.
7 VOL (Volume) buttons
Use it to adjust volume.
8 Anynet button
Runs the Anynet view functions and sets up Anynet devices.
9 MENU button
Displays the main on-screen menu.
10 ENTER button
Confirms a selection.
11 FAV.CH button
Press to switch to your favorite channels.
12 CH LIST button
Displays the channel list.
13 MODE button
Selects a target device to be controlled by the Samsung remote control
(i.e., TV, STB, VCR, CABLE, or DVD).
14 PRE-CH button
Tunes to the previous channel.
15 SOURCE button
Press to display all of the available video sources
Component1, Component2, PC, and HDMI).
16 CH (Channel) buttons
Use it to switch channels.
17 INFO button
Press to display information on the TV screen.
18 EXIT button
Press to exit the menu.
19 Up/Down/Left/Right buttons
Control the cursor in the menu.
(TV, AV, S-Video,
Operation Instruction & Installation
Samsung Electronics11-5
20 P.MODE button
Adjust the TV picture by selecting one of the preset factory settings (or
select your personal, customized picture settings).
21 S.MODE button
Select Sound effect.
22 E.SAVING button
Press to adjust screen brightness according to surrounding environment.
(Refer to page 111)
23 P.SIZE button
Select Picture size.
24 DNIe button
Activates DNIe (Digital Natural Image engine).
25 MTS button
Press to choose stereo, mono or Separate Audio Program
(SAP broadcast).
26 SET button
Used during set up of this Samsung remote control, so that it will work
compatibly with other devices (VCR, Cable Box and DVD).
27 PIP button
Activates picture in picture.
28 PIP control buttons
CH
,
(These buttons change channels in the PIP window only.)
: Displays the available channels in sequence.
29 CAPTION button
Controls the caption decoder.
30 VCR, DVD control buttons
Controls VCR tape or DVD disc functions: Stop, Rewind, Play/Pause,
and Fast Forward.
31 RESET button
If your remote control is not functioning properly, take out the batteries
and press the reset button for about 2~3 seconds.
Re-insert the batteries and try using the remote control again.
Operation Instruction & Installation
11-6Samsung Electronics
11-2 New Features
11-2-1 Energy Saving Mode (Applies to the "Setup" of the User Menu)
- Location of the Ambient Light Sensor
The sensor is attached to the Power Assy., which is on the front of the PDP. The location of the sensor on the Power Assy is
displayed in the figure below. External light reaches the sensor through the guide of the Power Assy.
The screen brightness is adjusted according to the brightness measured by the Ambient Light Sensor, using the Multi APC
function (controls the number of sustain pulses according to the average signal levels) of the PDP panel, thus reducing power
consumption.
- Procedures for entering the menu: Select Menu → Setup → Energy Saving Mode
When pressing the "Energy Saving Mode" button on the remote control:
The Energy saving mode changes in the sequence of "Standard" → "Auto Saving" → "Super Saving".
- Description of each power saving mode
Standard: The screen brightness and the power consumption are not changed regardless of the ambient brightness measured
by the Ambient Light Sensor.
Auto Saving: The screen brightness and the power consumption are changed depending on the ambient brightness.
If the ambient brightness is low, it automatically turns the TV brightness down and reduces the power consumption.
Super Saving: This mode controls the screen brightness so that the power consumption is always reduced regardless of the
ambient brightness.
.
Operation Instruction & Installation
Samsung Electronics11-7
11-2-2 PIP Settings (A : Analog, D : Digital, X : PIP doesn't operate, ○: PIP and swap operate)
Note : This TV has only one tuner and does not allow you to watch one TV channel in the main screen and another channel in the
PIP screen.
Main screen
PIP screen
TV
AV(A)S-Video(A) Component(A)PCHDMI(D)
AnalogDigital (ATSC)
TV
Analog
X
XXX
○○
Digital (ATSC)
○○○
XX
AV(A)X
○
XXX
○○
S-Video(A)X
○
XXX
○○
Component(A)X
○
XXX
○○
PCXXXXXXX
HDMI(D)
○
X
○○○
XX
Operation Instruction & Installation
11-8Samsung Electronics
11-3 Installation Notes and Precautions
11-3-1 Installation Notes
1. Contact a technician for installing the wall bracket.
2. Samsung Electronics is not responsible for any damage to the product or injury to yourself or others if you elect to perform the
wall installation.
3. This product is for installing on cement walls. The product may not stay in place when installed on plaster or wood.
11-3-2 Parts (Wall attachment panel is sold separately)
Only use the components and accessories shipped with the panel.
Wall BracketHingeAccessories
Plastic Hanger : 4
Screw : 4
Screw : 11
Anchor : 111Left : 1Right : 1
Operation Instruction & Installation
Samsung Electronics11-9
11-3-3 How to assemble the Wall Mount Bracket
Insert and tighten the Captive Screw in the direction of the arrow.
When done, mount the wall bracket on the wall.
1
Captive Screws
Hinge (Left)
Wall Bracket
Before drilling into the wall, check if the
length between the two locking holes at
2
the back of the product is correct.
If the length is too short or long, loosen
all or some of the 4 screws on the wall
bracket to adjust the length.
Length between the
two locking holes
There are two hinges
(left and right). Use the
correct one.
Hinge (Right)
Check the installation diagram and mark
the drill points on the wall.
3
Use the 5.0 mm bit to drill holes deeper
than 35 mm. Fix each anchor in the
corresponding hole.
Match each of the brackets and hinge
holes to the corresponding anchor holes
and insert and tighten the 11 screws
.
Operation Instruction & Installation
11-10Samsung Electronics
11-3-4 Fixing the TV panel to the wall attachment panel bracket
Remove the 4 screws on the back of the product.
1
Insert the screwinto the plastic hanger. (See the figure below)
2
• Mount the product on the wall bracket and make sure it is properly fixed to the left and
right plastic hangers.
• Be careful when installing the product on the bracket as fingers can be caught in the holes.
• Make sure the wall bracket is securely fixed to the wall, or the product may not stay in
place after installation.
Tighten the 4 screws in step 2 (plastic
hanger + screw) to the rear holes of
3
the product.
Remove safety pin ( ) and insert the 4
product holders into the corresponding
4
bracket holes (). Then place the
product () so that it is firmly fixed to
the bracket. Make sure to reinsert and
tighten the safety pin () to securely
hold the product to the bracket.
PDP
Wall Bracket Wall
Operation Instruction & Installation
Samsung Electronics11-11
11-3-5 How to Adjust Mounting Angle
Note : Adjust the bracket angle to -2
Note
o
before installing it on the wall.
Change Angle
Fix the product to the wall bracket.
1
Hold the product at the top in the center and
pull it forward (direction of the arrow) to
2
adjust the angle. (See the figure to the right)
You can adjust the bracket angle between -2°
and 15°.
3
How to Adjust Mounting Angle
Make sure to use the top center, and not the
left or the right side of the product to adjust
the angle.
Notes
•Contact an authorized technician when installing the wall attachment panel.
•After hanging the TV panel on the wall attachment panel, make sure that the Insulation holders are
completely secured.
•Be careful not to get your fingers caught during installation.
•Make sure the wall attachment panel brackets are tightened. Otherwise, the TV panel may
fall down.
•Please secure the mounting bracket on the wall surface after setting its angle at 0°.
Operation Instruction & Installation
11-12Samsung Electronics
11-3-6 How to assemble the Stand-Base
Using the 4 screws for securing the stand pegs and the monitor, firmly attach the monitor
to the stand pegs. (The exterior of the set may be different than the picture.)
1
Warning
Firmly secure the stand to
the TV before moving it, as
the stand may fall and
could cause serious injury.
Two or more people should carry the TV. Never lay the TV on the floor because of possible damage to the screen.
Always store the TV upright.
Part NameDescriptionDescription Photo
Cover
Speaker
① Remove 6 screws on the SPEAKER-COVER
: BH,+,B,M4,L12,ZPC(BLK)
② Remove the SPEAKER-COVER.
Disassembly & Reassembly
Samsung Electronics12-1
12. Disassembly & Reassembly
12-1 Overall Disassembly & Reassembly
12-1-1 Separation of Stand
Part NameDescriptionDescription Photo
Stand
① Remove 4 screws.
: PH,+,WSP,S,M4,L35,ZPC(BLK)
② Pull the stand 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-STAND CABLE
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 Drive Board, Y Drive
Board, etc. (A spark 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.
Disassembly & Reassembly
12-2Samsung Electronics
12-1-3 Separation of ASSY COVER P-REAR TOP
Part NameDescriptionDescription Photo
Rear
To p
① Remove the 9 screws on the cover rear.
: BH,+,-,S,M4,L8,ZPC(BLK)
② Remove the 2 Hex nuts for the PC input.
: M3,L6,NI PLT,SUM24L,#4-40
③ Remove the cover rear.
12-1-4 Separation of ASSY COVER P-REAR
Part NameDescriptionDescription Photo
Rear
① Remove 22 screws.
: BH,+,-,S,M4,L8,ZPC(BLK)
② Remove 4 screws.
: M8,L16,ZPC(BLK)
③ Remove the Back Cover.
12-1-5 Separation of ASSY PCB MISC-MAIN
Part NameDescriptionDescription Photo
Main
Board
① Remove 5 screws
: PH,+,WWP,M3,L8,NI PLT
② Remove all connectors from the board.
③ Remove the Main Board.
Part NameDescriptionDescription Photo
Side AV
① Remove 2 screw.
: BH,+,-,S,M4,L8,ZPC(BLK)
② Remove the Side AV assy.
12-1-7 Separation of ASSY SIDE AV
Disassembly & Reassembly
Samsung Electronics12-3
12-1-6 Separation of ASSY COVER P-REAR SUB
Part NameDescriptionDescription Photo
Rear Sub
① Remove 4 screws.
: BH,+,-,S,M4,L8,ZPC(BLK)
② Remove 2 screws.
: BH,+,B,M4,L8,ZPC(BLK)
③ Remove the sub cover.
Part NameDescriptionDescription Photo
Speaker
① Remove 1 screw.
: BH,+,-,S,M4,L8,ZPC(BLK)
② Remove the Speaker Assy.
12-1-8 Separation of ASSY SPEAKER
12-1-10 Separation of ASSY LOGIC BOARD
Part NameDescriptionDescription Photo
Flat Cable
① Take care when separating the Logic Board not to damage
the Flat-Cable Connector Cover.
Logic Board
① Remove 4 screws.
: PH,+,WWP,M3,L8,NI PLT
② Remove the Logic Board.
Disassembly & Reassembly
12-4Samsung Electronics
12-1-9 Separation of ASSY SMPS and ASSY SMPS DC-DC
Part NameDescriptionDescription Photo
SMPS/
SMPS DC-
DC
① Remove 8 screws.
: PH,+,WWP,M3,L8,NI PLT
② Detach all connectors from the Assy SMPS.
③ Remove the Assy SMPS PCB..
④ Remove 4 screws.
: PH,+,WWP,M3,L8,NI PLT
⑤ Detach all connectors from the Assy SMPS DC/DC Board.
⑥ 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.
Disassembly & Reassembly
Samsung Electronics12-5
12-1-11 Separation of ASSY X DRIVE BOARD
Part NameDescriptionDescription Photo
X-Drive
Board
① To separate the Flat Cable of the X-Board, press the upper
and the lower sides of the connector.
① While pressing the connector, apply slight force toward the
direction of the cable to release the connector.
① Remove the Flat cable.
① Remove 4 screws.
: PH,+,WWP,M3,L8,NI PLT
② Detach all reamining connectors from the X-Drive Board.
③ Remove the X-Drive Board.
Disassembly & Reassembly
12-6Samsung Electronics
12-1-12 Separation of ASSY Y DRIVE BOARD
Part NameDescriptionDescription Photo
Flat Cable
① Detech the 6 Scan Board connectors from the Panel Assy by
pulling the holder from both the top and bottom ends.
Y-Scan
① Remove 2 screws.
: PH,+,WWP,M3,L8,NI PLT
Connectors
① Separate the Scan Boards from the Y-Main Board by
detaching the 5 connectors and remove the Scan Boards.
Y Drive
① Remove 4 screws.
: PH,+,WWP,M3,L8,NI PLT
② Detach all connectors from the Y-Main Board and remove the
Y-Main Board.
Disassembly & Reassembly
Samsung Electronics12-7
12-1-13 Separation of ASSY BUFFER BOARD
Part NameDescriptionDescription Photo
Wall
Bracket
① Remove 8 screws.
: BH,+,-,S,M4,L8,ZPC(BLK)
② Separate PDP module from Front cover.
: Please lay the PDP panel face down on a soft surface when
separating front cover.
③ Remove 16 screws.
: BH,+,S,M4,L10,ZPC(BLK)
TCP Cover
① Remove 5 screws.
: PH,+,WWP,M3,L8,NI PLT
② Remove TCP covers.
Buffer
① Remove 10 screws.
: PH,+,WWP,M3,L8,NI PLT
② Remove the E-Board and F-Board.
12-8Samsung Electronics
MEMO
Circuit Description
Samsung Electronics13-1
13. Circuit Description
13-1 Power ON/OFF Signal Timing Sequence
µ
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 Drive
Board through the DC-DC SMPS, and the screen displays a picture on it.
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Circuit Description
13-2Samsung Electronics
13-2 Partial Block Description
13-2-1 Main Board
NoLoc. No.Description
(1)TU1002 (DNVS303EH261A)The Main Tuner.
(2)CN7001 (UMX-NT-043)The RF Splitter for selecting Antenna IN 1 or Antenna IN 2.
(3)IC9001,IC9003 (DTC34LM85AL)Converts the digital R, G, B signals from the main board into an LVDS signal and transmits the signal to the PDP Logic board.
(4)IC9002 (SDP43)The DNIe IC for visual quality improvement.
(5)IC7010 (S5H2010A01)MPEG Decoder IC.
(6)IC6006 (S3C2800X01)CPU IC.
(7)IC5003 (K4D263238E)SDRAM for STP22.
(8)IC5004 (STP22)A Scaler IC that generates the output resolution appropriate to the PDP panel and generates the PIP screen.
(9)IC2016 (NSP-6241A)Sound PWM IC
(10)IC2015 (TAS5122)Sound AMP IC
(11)IC3002 (3F866B)Generates various control signals required for operating the circuit. The software is downloaded through PC D-SUB Jack.
(12)IC3003 (P_PCFM_012)The Micom that inputs and outputs various control signals.
(13)IC2012 (MSP4440K)Sound Processing IC
(14)IC4005 (SIL9993)Converts the TMDS signal on the HDMI input into 8 bit digital R, G, B signals.
(15)IC4003 (MST9883)A/D converts the R, G, B input signal from 15 Pin PC video to 8 bit digital R, G, B signals.
(16)IC3006 (MAX232)RS-232 receiver IC
(17)JA9001LVDS Logic Connector
(18)CN1002SMPS Connector
(19)CN1001SMPS Connector
(20)CN1004Function key board Connector
(21)60P CONNECTOR for Debug (Option)
(22)CN2001SPEAKER CONNECTOR
(23)CN1003POWER&IR BOARD CONNECTOR
(24)CN101SIDE AV BOARD CONNECTOR
(20)
(24)
(16)
(7)
(11)
(14)
(8)
(4)
(17)
(3)
(12)
(15)
(5)
(13)
(18)
(19)
(1)
(6)
(9)
(10)
(2)
(21)
(22)
(23)
Circuit Description
Samsung Electronics13-3
13-2-2 Connectors of Main Board
Funcion
Connector
CN1004
Side-AV
Connector
CN101
SVC In
Anynet In
LVDS out
JA9001
1. KEY1
1
2. KEY2
3. GND
1. VIDEO2_CVBS
2. GND
3. VIDEO2_IDENT
4. SVHS2_IDENT
5. VIDEO2_SL_IN
6. GND
1
7. VIDEO2_SR_IN
9. GND
9. SVHS2_Y
10. GND
11. SVHS2_C
12. GND
HDMIDVI L/R PC In - Audio
Component 2
R-L-Pr-Pb-Y
Digital Power
CN1002
1
1. FAN_D
2. THER_D
3. STD_5V
4. GND
5. PS_ON
6. D12V
7. GND
8. D3.3V
9. D3.3V
10. GND
11. D6V
Digital Out
Optical/Coaxial
Component 1
R-L-Pr-Pb-Y
Analog Power
CN1001
1
1. GND
2. VT(B33V)
3. GND
4. GND
5. 18V_A
6. 18V_A
7. GND
8. A12V
9. GND
10. +6V
MAIN
1
SPK.out
CN2001
1. R(-)
2. R(+)
3. L(-)
4. L(+)
VSB NIM Tuner
Video In
1
Power-IR
CN1003
1. GND
2. LED_RED
3. A5V
4. GND
5. KEY2
6. SDA
7. SCL
8. IR
Monitor Out
MAIN SUB
Splitter
AirCable
S-Video
Circuit Description
13-4Samsung Electronics
13-2-3 Power Button Board
13-2-4 Function Key Board
Function Key. Located on the side of the unit.
13-2-5 Side AV Board
NoLoc. No.Description
(1)RM01Remote Control Sensor
(2)SW001Power Button
(3)OP001
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.
NoLoc. No.Description
(1)CN101S-VIDEO2 Input Jack
(2)SK101AV2 Input Jack
(3)CN102Side AV Connector
1. Outline (PDP 42inch 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, VS requiring high power consumption used flyback converter.
2. Input
The power supply shall be capable of supplying full rated output power over 100 VAC - 120 VAC RMS nominal.
Operating voltage : 90 VAC - 132 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 within +/- 1.0V of nominal).
STD_5V is a SELV standby voltage that is always present when AC mains voltage present.
3. Output
This power supply is 10 output switching power supply for PDP 42inch. The output voltage, and current requirements for continuous operation are stated below. (Table 1)
Table 1. Specification of Output Power Supplies for PDP SMPS
4. 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 or all outputs. The supply shall provide latch-mode Over Voltage Protection as defined below. (Table 2)
Table 2. Over voltage Protection
Output NameOutput VoltageOutput Current(Max.)Using in PDP Driving
VS+190V ~ 220V (210V)1.4ASustain Voltage of Drive Board
VA+60V ~ 80V (70V)0.6AAddress Voltage of Drive Board
VG+15V1.0ADriving Voltage of Fet
D12V+12V1.0A
A12V+12V0.3A
6.5V+6.5V2.5A
D5.3V+5.3V4.0AIC Driving Voltage of Logic Board
18VAMP+18V2.0AAmp Voltage of Audio Board
VT+33V0.006A
STD_5V+5V1.0AStandby for Remote Control
ParameterMinUnit
VS(210V)250 ~V
VA(70V)100 ~V
D6.5V6.8 ~V
Circuit Description
Samsung Electronics13-7
5. 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 until the short is removed, at which point the P/S shall recover.
The power supply shall be capable of withstanding a continuous shot-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. (Table 3)
Table 3. Over Current Protection.
6. Function of Board
① Remote Control
Using a 250VAC/10A relay. The board makes remote control available.
② Protection
The OCP(Over Current Protection), OVP(Over Voltage Protection), Short Circuit Protection functions are added against
system malfunction.
7. Part Block Diagram and Part Function.
① Auxiliary Power Supply
The auxiliary power supply is a block generated power of micom for remote controlling. Once the power Plug is inserted, this
block always comes into operation, causing micom to get into the standby state for the output. Thus, this output is called the
standby voltage. And with the relay ON signal inputted through the remote controller, this block turns the mechanical switch of
relay to ON for driving the main power supply.
ParameterMinUnit
VS(85V)~A
VA(75V)~A
12V~A
<Standby Flyback Pulse>
Circuit Description
13-8Samsung Electronics
② Implementation of Sustain Voltage
As the main part of a SMPS for PDP, sustain voltage must supply a high power, 200V/1.4A.
To comply with the specification, the flyback converter method was used.
- PWM Oscillation frequency
Oscillator timing capacitor, Ct, is charged by Vref through Rt and discharged by an internal current source. During change time,
the internal clock signal blanks the output to the low state, Selection of Rt and Ct therefore determines both oscillator frequency
and maximum duty cycle. Change and discharge times are determined by the formulas;
tc = 0.55RtCt
td = RtCtln{(0.0063Rt-2.7)/(0.0063Rt-4)}
Frequency, then, is: f=1/(tc+td)
For Rt>5KΩ , f=1.8/RtCt
f=1.8/(15K§Ùx2.2nF)=48KHz
<VS Driving FET(SPW17N80C3) Drain Pulse>
<VS Driving FET(SPW17N80C3) Gate Pulse>
Circuit Description
Samsung Electronics13-9
③ Output (VA,Multi Outputs) Pulse
<VA Main Pulse>
<Multi Outputs Main Pulse>
Circuit Description
13-10Samsung Electronics
8. Component Spec
Q405,Q406SPW17N80C3800V,17AINFINEONVS FET
U104Viper22A730VINFINEONSTB 5V Switching IC
U501
FS70880B800V,8AFAIRCHILD
VA Switching IC
U601VM switching IC
U602KIA78R1515V,1AKECVG regulator
U603