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Model
42PT350-ZK 42PT351-ZJ 42PT352-ZH 42PT353-ZG 42PT351-ZJ 42PTA351N-ZJ 42PT353-ZG 42PT353A-ZG 42PT353K-ZG 42PT353N-ZG (CHASSIS:PD13K)
Pages
72
Size
10.61 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / Plasma
File
42pt350-zk-42pt351-zj-42pt352-zh-42pt353-zg-42pt35.pdf
Date
PREV: LG 42PT350-ZD / 42PT351-ZC / 42PT352-ZB / 42PT353-ZA / 42PT351AZC / 42PT351N-ZC / 42PT353A-ZA / 42PT353K-ZA / 42PT353N-ZA (CHASSIS:PD11K) Service Manual

LG 42PT350-ZK / 42PT351-ZJ / 42PT352-ZH / 42PT353-ZG / 42PT351-ZJ / 42PTA351N-ZJ / 42PT353-ZG / 42PT353A-ZG / 42PT353K-ZG / 42PT353N-ZG (CHASSIS:PD13K) Service Manual ▷ View online

Making 
Revision 
PDP TV
Symptom
A. Picture Problem
Check 5V, 17V on Power B/D
Repair Process-Reference data
A12
▣ Measure 5V voltage
Power Board
P813
P600
P813
▣ Measure 17V voltage
A12
17.02
Making 
Revision 
PDP TV
Symptom
A. Picture Problem
Control Board Checking Method(50R3)
Repair Process-Reference data
A13
▣ Checking Method
A13
① Check input voltages(5V of P105 / 18V of P2) at control 
board.
② Check LED is on.
③ If LED doesn’t work, check crystal X1 output.
④ Check 3.3V, 5V IC.
⑤ Check MCM at VS_DA by using digital multi meter.
③ Check Crystal(X1)
① Check Input voltage
④ Check IC ( IC53, IC51 )
Check oscillation of Crystal
(Normal: 25 MHZ)
MCM Check point
(+)VS_DA / (-)  GND 
(Normal: 3.3V )
⑤ Check MCM
3.3V
Pin 14,15  : 18V
IC51
IC53
P2(18V)
Pin14, 15
5V
3.3V
GND
P105_FL1,FL2(5V)
② Check LED On
Making 
Revision 
PDP TV
Symptom
A. Picture Problem
Mal discharge Symptom
Repair Process-Reference data
▣ Dark picture caused by Mal-discharge
A14
▣ Dot type Mal-discharge symptom
▣ Scan type Mal-discharge symptom
A14
Making 
Revision 
PDP TV
Symptom
A. Picture Problem
PDP Module Rom Ver. Checking method
Repair Process-Reference data
A15
▣ Check by using Rom Label on control board
Rom ver. Label
▣ Check by using SVC Remote controller
Press “In-start” →Press ”0413”
→ Select Panel Control → Check Module Rom ver.
※Refer to the Module Rom upgrade manual 
for Rom upgrade.
USB Type Jig
A15
Page of 72
Display

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