LG 32PC54-ZD Schematic
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Internal Use Only |
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North/Latin America |
http://aic.lgservice.com |
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Europe/Africa |
http://eic.lgservice.com |
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Asia/Oceania |
http://biz.lgservice.com |
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PLASMA TV SERVICE MANUAL
CHASSIS : PP81D
MODEL : 32PC54 32PC54-ZD
CAUTION
BEFORE SERVICING THE CHASSIS,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
CONTENTS
CONTENTS ....................................................................................................... |
2 |
SAFETY PRECAUTIONS.................................................................................... |
3 |
SPECIFICATION.................................................................................................. |
4 |
ADJUSTMENT INSTRUCTION ........................................................................... |
7 |
TROUBLE SHOOTING...................................................................................... |
16 |
BLOCK DIAGRAM ............................................................................................ |
23 |
EXPLODED VIEW ........................................................................................... |
25 |
SVC. SHEET ..................................................................................................... |
27 |
PRINTED CIRCUIT DIAGRAM.......................................................................... |
39 |
Copyright © 2008 LG Electronics. Inc. All right reserved. |
- 2 - |
LGE Internal Use Only |
Only for training and service purposes |
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SAFETY PRECAUTIONS
IMPORTANT SAFETY NOTICE
Many electrical and mechanical parts in this chassis have special safety-related characteristics. These parts are identified by 
in the Schematic Diagram and Exploded View.
It is essential that these special safety parts should be replaced with the same components as recommended in this manual to prevent X-RADIATION, Shock, Fire, or other Hazards.
Do not modify the original design without permission of manufacturer.
General Guidance
An lsolation Transformer should always be used during the servicing of a receiver whose chassis is not isolated from the AC power line. Use a transformer of adequate power rating as this protects the technician from accidents resulting in personal injury from electrical shocks.
It will also protect the receiver and it's components from being damaged by accidental shorts of the circuitary that may be inadvertently introduced during the service operation.
If any fuse (or Fusible Resistor) in this monitor is blown, replace it with the specified.
When replacing a high wattage resistor (Oxide Metal Film Resistor, over 1W), keep the resistor 10mm away from PCB.
Leakage Current Hot Check (See below Figure) Plug the AC cord directly into the AC outlet.
Do not use a line Isolation Transformer during this check.
Connect 1.5K/10watt resistor in parallel with a 0.15uF capacitor between a known good earth ground (Water Pipe, Conduit, etc.) and the exposed metallic parts.
Measure the AC voltage across the resistor using AC voltmeter with 1000 ohms/volt or more sensitivity.
Reverse plug the AC cord into the AC outlet and repeat AC voltage measurements for each esposed metallic part. Any voltage measured must not exceed 0.75 volt RMS which is corresponds to 0.5mA.
In case any measurement is out of the limits sepcified, there is possibility of shock hazard and the set must be checked and repaired before it is returned to the customer.
Keep wires away from high voltage or high temperature parts.
Due to high vacuum and large surface area of picture tube, extreme care should be used in handling the Picture Tube. Do not lift the Picture tube by it's Neck.
Leakage Current Cold Check(Antenna Cold Check)
With the instrument AC plug removed from AC source, connect an electrical jumper across the two AC plug prongs. Place the AC switch in the on positioin, connect one lead of ohm-meter to the AC plug prongs tied together and touch other ohm-meter lead in turn to each exposed metallic parts such as antenna terminals, phone jacks, etc.
If the exposed metallic part has a return path to the chassis, the measured resistance should be between 1MΩ and 5.2MΩ .
When the exposed metal has no return path to the chassis the reading must be infinite.
An other abnormality exists that must be corrected before the receiver is returned to the customer.
Leakage Current Hot Check circuit
AC Volt-meter
To Instrument's
Good Earth Ground such as WATER PIPE, CONDUIT etc.
exposed METALLIC PARTS
0.15uF
1.5 Kohm/10W
Copyright © 2008 LG Electronics. Inc. All right reserved. |
- 3 - |
LGE Internal Use Only |
Only for training and service purposes |
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SPECIFICATIONS
NOTE : Specifications and others are subject to change without notice for improvement.
V Application Range
This spec sheet is applied to PDP TV used PP81D Chassis.
Chassis |
Model Name |
Market |
Brand |
Remark |
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PP81D |
32PC5RA-TD |
NON EU |
LG |
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32PC5RA-MF |
Central and South America |
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32PC53-ZB |
EU |
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32PC54-ZD |
EU |
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V Specification
Each part is tested as below without special appointment.
1)Temperature : 25±5°C (77±9°F), CST : 40±5
2)Relative Humidity: 65±10%
3)Power Voltage: Standard Input voltage (100-240V~, 50/60Hz)
*Standard Voltage of each product is marked by models.
4)Specification and performance of each parts are followed each drawing and specification by part number in accordance with SBOM.
5)The receiver must be operated for about 20 minutes prior to the adjustment.
VTest Method
1)Performance : LGE TV test method followed.
2)Demanded other specification
Safety : CE, IEC specification
EMC : CE, IEC
Model |
Market |
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Appliance |
Remark |
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32PC53-ZB |
EU |
Safety |
: IEC/EN60065 |
TEST |
32PC54-ZD |
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EMI |
: EN55013 |
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EMS |
: EN55020 |
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32PC5RA-TD |
NON -EU |
Safety |
: IEC/EN60065 |
TEST |
32PC5RA-MF |
Central and South |
EMI |
: CISPR13 |
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America |
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V Module General Specification(32” WVGA PDP Module)
No |
Item |
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Specification |
Remark |
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1 |
Display Screen Device |
32 inch 16:9 Color Plasma Display Module |
PDP |
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2 |
Aspect Ratio |
16:9 |
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3 |
PDP Module |
PDP32F#####, |
Glass Filter |
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RGB Closed(Well) Type |
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4 |
Operating Environment |
1) |
Temp. : 0 ~ 60 deg |
LGE SPEC. |
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2) |
Humidity : 20 ~ 80 % |
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5 |
Storage Environment |
3) |
Temp. : -20 ~ 60 deg |
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4) |
Humidity : 10 ~ 90 % |
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6 |
Input Voltage |
AC 100-240V~, 50/60Hz |
Maker: Sanken |
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Copyright © 2008 LG Electronics. Inc. All right reserved. |
- 4 - |
LGE Internal Use Only |
Only for training and service purposes |
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VModel General Specification
(1)EU Spec.(ZA/ZB/ZD)
No |
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Item |
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Specification |
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Remark |
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1 |
Market |
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EU |
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2 |
Broadcasting system |
PAL BG/I/DK, SECAM |
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SECAM-L spec out |
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3 |
Available Channel |
BAND |
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PAL |
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VHF/UHF |
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C1 ~ C69 |
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CATV |
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S1 ~ S47 |
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4 |
Receiving system |
Upper Heterodyne |
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5 |
SCART Input(2EA) |
PAL |
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Full Scart 1EA, Harf 1EA |
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6 |
Video Input (1EA) |
PAL |
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Side AV(Except 32PC models) |
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7 |
S-Video Input (1EA) |
PAL |
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Side AV(Except |
S-Video Priority |
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32PC models) |
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8 |
Component Input (1EA) |
Y/Cb/Cr, Y/Pb/Pr |
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9 |
RGB Input(1EA) |
RGB-PC |
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10 |
HDMI |
1EA |
HDMI-DTV |
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REAR HDMI(Only 42/50PG100R-ZA) |
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Input |
2EA |
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REAR HDMI(Only 42/50PG200R-ZA |
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(32PC53-ZB, 32PC54-ZD) |
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11 |
Audio Input (5EA) |
PC Audio, AV(3EA), Component(1EA) |
L/R Input(PC 1EA, SCART 2EA, SIDE AV |
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1EA, Component 1EA) |
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(32PC models dosen’t have SIDE AV) |
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12 |
USB Input(1EA) |
Divx, MP3, JPEG |
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SIDE USB: only for 42/50PG600R-ZA |
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Copyright © 2008 LG Electronics. Inc. All right reserved. |
- 5 - |
LGE Internal Use Only |
Only for training and service purposes |
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(2) NON-EU Spec.(TA/TD)
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No |
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Item |
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Specification |
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Remark |
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1 |
Market |
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NON EU/CHINA |
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2 |
Broadcasting system |
PAL/SECAM/BG/I/DK, NTSC-M |
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3 |
Available Channel |
BAND |
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PAL |
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NTSC |
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China(DK) |
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Australia(BG) |
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VHF/UHF |
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E2 ~ C69 |
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2 ~ 78 |
VHF/UHF |
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C1 ~ C62 |
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C1 ~ C75 |
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CATV |
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S21 ~ S47 |
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1 ~ 71 |
CATV |
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S1 ~ S41 |
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S2 ~ S44 |
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4 |
Receiving system |
Upper Heterodyne |
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5 |
Video Input(2EA) |
PAL, SECAM, NTSC |
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Rear 1EA, Side 1EA(Except 32PC5RA) |
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6 |
AV Output (1EA) |
PAL, SECAM, NTSC |
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Rear 1EA |
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7 |
S-Video Input (1EA) |
PAL, SECAM, NTSC |
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Side(Except 32PC5RA) |
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S-video Priority |
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8 |
Component Input (2EA) |
Y/Cb/Cr, Y/Pb/Pr |
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9 |
RGB Input(1EA) |
RGB-PC, S/W Upgrade |
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10 |
HDMI |
2EA |
HDMI-DTV, Only PCM MODE |
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REAR HDMI(2) |
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Input |
3EA |
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SIDE HDMI(1), REAR HDMI(2) : Only for |
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42/50PG60UR-TA, 50/60PG70FR-TB, |
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50PG30FR-TB |
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11 |
Audio Input (5EA) |
PC Audio, Component(2EA), AV(2EA), |
L/R Input(PC 1EA, Component 2EA, Rear |
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1EA, Side 1EA(Except 32PC5RA)) |
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12 |
RS-232C(1EA) |
Remote Control |
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13 |
USB Input(1EA) |
Divx, MP3, JPEG |
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SIDE USB: only for 42/50PG60UR-TA |
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(3) Central and South America Spec.(MA/MB/MF) |
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No |
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Item |
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Specification |
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Remark |
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1 |
Market |
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Central and South America |
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2 |
Broadcasting system |
NTSC, PAL-M, PAL-N |
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3 |
Available Channel |
BAND |
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NTSC |
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VHF |
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2 ~ 13 |
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UHF |
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14 ~ 69 |
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CATV |
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1 ~ 125 |
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4 |
Receiving system |
Upper Heterodyne |
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5 |
Video Input(2EA) |
NTSC, PAL-M/N |
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Rear 1EA, Side 1EA(Except 32PC5RA) |
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6 |
AV Output (1EA) |
NTSC, PAL-M/N |
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Rear 1EA |
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7 |
S-Video Input (1EA) |
NTSC, PAL-M/N |
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Side(Except 32PC5RA) |
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S-video Priority |
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8 |
Component Input (2EA) |
Y/Cb/Cr, Y/Pb/Pr |
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9 |
RGB Input(1EA) |
RGB-PC, S/W Upgrade |
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10 |
HDMI |
2EA |
HDMI-DTV, Only PCM MODE |
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REAR HDMI(2) |
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Input |
3EA |
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SIDE HDMI(1), REAR HDMI(2) : Only for |
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42/50PG60UR-MA, 50/60PG70FR-MB |
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11 |
Audio Input (5EA) |
PC Audio, Component(2EA), AV(2EA), |
L/R Input(PC 1EA, Component 2EA, Rear |
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1EA, Side 1EA(Except 32PC5RA)) |
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12 |
RS-232C(1EA) |
Remote Control |
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Copyright © 2008 LG Electronics. Inc. All right reserved. |
- 6 - |
LGE Internal Use Only |
Only for training and service purposes |
|
|
ADJUSTMENT INSTRUCTION
1. Application Range
This spec. sheet is applied to all of the PP81D Chassis.
2.Specification
(1)Because this is not a hot chassis, it is not necessary to use an isolation transformer. However, the use of isolation transformer will help protect test instrument.
(2)Adjustment must be done in the correct order.
(3)The adjustment must be performed in the circumstance of 25±5cC of temperature and 65±10% of relative humidity if there is no specific designation.
(4)The input voltage of the receiver must keep 100~240V, 50/60Hz.
(5)Before adjustment, execute Heat-Run for 30 minutes at RF no signal.
3.ADC calibration
3-1. PC input ADC
(1)Auto RGB Gain/Offset Adjustment
1)Convert to PC in Input-source
2)Signal equipment displays
Output Voltage : 700 mVp-p
Impress Resolution XGA (1024 x 768 @ 60Hz) Model : 60 in Pattern Generator
(1024 x 768 @ 60Hz Black and White Pattern)
Pattern : 54 in Pattern Generator (MSPG-925 SERISE) [1/2 Black & White Pattern (Refer below picture)].
<Fig. 1> Adjustment pattern(RGB PC)
3)Adjust by commanding AUTO_COLOR_ADJUST(0xF1) 0x00 0x02 instruction.
(2)Confirmation
1)We confirm whether “0xF1(offset), 0xF2(gain)” address of EEPROM “0xBC” is “0xAA” or not.
2)If “0xF1”, “0xF2” address of EEPROM “0xBC” isn’t “0xAA”, we adjust once more
3)We can confirm the ADC values from “0x00~0x05”
addresses in a page “0xBC”
[ Manual ADC process using Service Remocon. After enter Service Mode by pushing “ADJ” key, execute “Auto-RGB” by pushing “G” key at “Auto-RGB”.
3-2. COMPONENT input ADC
(1)Component Gain/Offset Adjustment
1)Convert to Component in Input-source
2)Signal equipment displays
Impress Resolution 720P
MODEL : 217 in Pattern Generator(720P/60Hz 100%
Color Bar Mode)
PATTERN : 65 in Pattern Generator( MSPG-925 SERISE)
Adjustment pattern (COMPONENT)
3)Adjust by commanding AUTO_COLOR_ADJUST(0xF1) 0x00 0x02 instruction
(2)Confirmation
1)We confirm whether “0xF3(offset), 0xF4(gain)” address of EEPROM “0xBC” is “0xAA” or not.
2)If “0xF3”, “0xF4” address of EEPROM “0xBC” isn’t “0xAA”, we adjust once more
3)We can confirm the ADC values from “0x06~0x0B”
addresses in a page “0xBC”
[ Manual ADC process using Service Remocon. After enter Service Mode by pushing “ADJ” key, execute “Auto-RGB” by pushing “G” key at “Auto-RGB”.
Copyright © 2008 LG Electronics. Inc. All right reserved. |
- 7 - |
LGE Internal Use Only |
Only for training and service purposes |
|
|
4. PCB Assembly Adjustment Items 5. S/W Program Download
4-1. Option Adjustment Following BOM
Tool Option1
Tool Option2
Area Option
<Fig. 2>
*Profile: Must be changed the option value because being different with some setting value depend on module, inch and market
*Equipment : Adjustment Remote Controller
(1)Push the IN-START key in the Adjust R/C.
(2)Input the Option Number that was specified in the BOM, into the Shipping area.
(3)Select “Tool Option1/ Tool Option2/ Area Option” by using D/E(CH+/-) key, and press the number key(0~9) consecutively
ex) If the value of Tool Option1 is 7, input the data using number key “7” (Fig. 2)
Caution: Don’t Push “IN-STOP” key after PCB assembly adjustment.
(4) Adjustment method
Before PCBA check, have to change the Tool option and Area option
[ About PDP
After done all adjustments, Press IN-START button and compare Tool option and Area option value with its BOM, if it is correctly same then Change “RF mode” and then unplug the AC cable.
If it is not same, then correct it same with BOM and unplug AC cable.
For correct it to the model°Øs module from factory JIG model.
[ Don’t push The IN-STOP KEY after completing the function inspection.
5-1. Profile
This is for downloading the s/w to the flash memory of the IC803
5-2. Equipment
(1)PC
(2)ISP_tool program
(3)Download jig
5-3. Connection Structure
5-4. Connection Condition
(1)IC name and circuit number : Flash Memory and IC803
(2)Use voltage : 3.3V (5 pin)
(3)SCL : 15 pin
(4)SDA : 12 pin
(5)Tact time : about 2min and 30seconds
6.Download Method (PCB Ass’y)
6-1. Preliminary Steps
- HD
- FHD
Copyright © 2008 LG Electronics. Inc. All right reserved. |
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LGE Internal Use Only |
Only for training and service purposes |
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(1) Connect the download jig to D-sub jack
(2) Connect the PC to USB jack
6-2. Download Steps
(1) Execute ‘ISP Tool’ program in PC, then a main window will be opened
(2) Click the connect button and confirm “Dialog Box”.
(3) Click the config button and change speed E2PROM Device setting: over the 350Khz
(4) Read and write bin file
Click “(1)Read” tab, and then load download file(XXXX.bin) by clicking “Read”.
(5)Click “Auto(2)” tab and set as below
(6)Click “Run(3)”.
(7)After downloading, check “OK(4)” message.
[ Notice : From this sentence, All working is mass production.
Copyright © 2008 LG Electronics. Inc. All right reserved. |
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LGE Internal Use Only |
Only for training and service purposes |
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7. EDID(The Extended Display |
<HDMI 1 : 256bytes> |
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Identification Data) / DDC |
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(Display Data Channel) Download |
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[ Caution
-Use the proper signal cable for EDID Download
-Never connect HDMI & D-SUB Cable at the same time.
-Use the proper cables below for EDID Writing
7-1. Profile: To be possible for plug and play
7-2. Equipment
(1)Adjusting PC with S/W for writing EDID Data.(S/W: EDID TESTER Ver.2.5)
(2)A Jig for EDID Download
(3)Cable : Serial(9Pin or USB) to D-sub 15Pin cable, D-sub 15Pin cable, DVI to HDMI cable.
<HDMI 2 : 256bytes>
7-3. Connection Structure
<Fig. 3> Connection Diagram of DDC Download
Caution: Never connect HDMI & D-SUB Cable at the same time.
<HDMI 3 : 256bytes>
7-4. EDID Data
O XGA/WXGA/Full HD EDID DATA
<Analog : 128bytes>
Copyright © 2008 LG Electronics. Inc. All right reserved. |
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LGE Internal Use Only |
Only for training and service purposes |
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O Detail EDID Options are below ( , , , , ) |
7-5. Preparation for Adjustment |
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Product ID |
(1) As above Fig. 3, Connect the Set, EDID Download Jig,, |
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PC & Cable |
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(2) Turn on the PC & EDID Download Jig. And Execute the |
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S/W : EDID TESTER Ver.2.5 |
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(3) Set up the S/W option |
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Repeat Number : 5 |
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Device Address : A0 |
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PageByte : 8 |
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(4) Power on the Set |
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Serial No |
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=> Controlled on production line |
1) Sequence of Adjustment |
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Month, Year |
1. DDC data of Analog-RGB |
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=> Controlled on production line: |
(1) Init the data |
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ex) Monthly: ‘11’ -> ‘0B’ |
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Year: ‘2007’ -> ‘11’ |
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Model Name(Hex) |
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Checksum
=> Changeable by total EDID data
(2) Load the EDID data.(Open File).
1) Analog(128Byte)
2) HDMI 1/2/3(256Byte)
(3) Set the S/W as below.
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LGE Internal Use Only |
Only for training and service purposes |
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(4) Push the “Write Data & Verify” button. And confirm “Yes”.
(5) If the writing is finished, you will see the “OK” message.
8. HDCP(High-Bandwidth Digital Contents Protection)
[ Confirmation
Before HDCP Download, you have to Set the Configuration that CMD delay.
-> Configuration -> Option-> I2C delay(Write Byte : 0.5 ms, Read Byte : 0.5ms, Read CMD Byte : 0.5ms)
(1)Connect D-sub Signal Cable to D-Sub Jack
(2)Input HDCP key with HDCP-key- in-program
(3)HDCP Key value is stored on Main M-STAR IC(LGE6891DD) which is 0x80~0x90 addresses of 0x00~0x01 page(EEPROM MAP PAGE0~PAGE1 / START :A080)
(4)AC off/on and on HDCP button of MSPG925 and confirm whether picture is displayed or not of using MSPG925
(5)HDCP Key value is different among the sets
Copyright © 2008 LG Electronics. Inc. All right reserved. |
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LGE Internal Use Only |
Only for training and service purposes |
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9. Adjustment of White Balance
9-1. Purpose and Principle for Adjustment of the Color Temperature
(1)Purpose: Adjust the color temperature to reduce the deviation of the module color temperature.
(2)Principle : To adjust the white balance without the saturation, Fix the one of R/G/B gain to C0 and decrease the others.
(3)Adjustment mode: Two modes of Cool and Warm
(Cool data is automatically calibrated by the Medium data)
9-2. Required Equipment
(1)Remote controller for adjustment
(2)Color Analyzer : CA-100+ or CA-210 or same product
-PLASMA TV(ch : 10)
(3)Auto W/B adjustment instrument(only for Auto adjustment)
-Do the white balance adjustment under the 10LUX
[ Notice: When using the Color Analyzer with PDP, recommend the CA-100 more than CA-210.
If CA-100 can not available, it is also good to use the CA-210.
(4)PC (for communication through RGB)
(5)Pattern Generator (MSPG-925FA etc.)
-Before white balance, press the ADJ key 2times and do the reset like Fig. 4
-To enter White-balance mode, press the ADJ key 2times.
[ Caution: System control Host should be “DDC” for adjustment.
<Fig. 4>
9-3. Connecting Diagram of Equipment for
Measuring (For Automatic Adjustment) (method 1, using IIC, You connect RGB Cable)
(1)Enter the adjustment mode of the white balance
-Enter the white balance adjustment mode at the same time heat-run mode when pushing the power on by power only key
-Maintain the white balance adjustment mode with same condition of Heat-run
-Maintain after AC off/on in status of Heat-run pattern display
(2)Release the white balance adjustment mode
-Release the adjust mode after AC off/on or std-by off/on in status of finishing the Hear-run mode
-push the “power on” key(IIC Mode) on Adjust remotecontroller.
-Release the Adjust mode when receiving the aging off command(F3 00 00) from adjustment equipment)
(3)Enter the adjust mode of white balance
-Enter the white balance adjustment mode with aging command(F3, 00, FF)
O Color Temperature & Color Coordinates Setting
-When adjusting the Color Temperature, Color Analyzer CA210(Matrix should be corrected through CH10 of CS-1000) should be used. When CA-210 have used, it don’t need to fit the CH10.
-Adjust the Color Temperature based below adjustment color coordinates.
O Target Value CA-210(LCD : CH 9, PDP : CH10), CA-100(PDP) (Standard color coordinate and temperature when using the CA-100+ or CA210 equipment)
O Synchronization relation between PSM and CSM
PSM |
CSM |
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Vivid |
Cool |
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Mild |
Warm |
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Copyright © 2008 LG Electronics. Inc. All right reserved. |
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LGE Internal Use Only |
Only for training and service purposes |
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