LG 60PS40FR-TA (CHASSIS:PP91A) Service Manual ▷ View online
PDP TV Repair Process Index
A. Picture Problem
8
No sound/ Sound distortion
C. Sound Problem
8
No.
Symptom (L)
Symptom (M)
Page
Remark
1
No Picture/Sound OK
1
2
No Picture/No sound
2
3
Mal-discharge/Noise/dark picture
3
4
Picture broken/Freezing
4
5
Vertical bar/ Horizontal Bar
5
6
B. Power Problem
No Power (Not turn on)
6
7
Turn off (Instant, under watching)
7
9
E. General function Problem
Remote control & Local switch checking
9
First of all, Check whether there is SVC Bulletin in GCSC System for these model.
Making
Repair Process
Revision
2009. 2 . 1
1/9
PDP TV
Symptom
A. Picture Problem
No Picture/Sound OK
1
Check Module pattern
by using “TILT” key
on SVC R/C
by using “TILT” key
on SVC R/C
Normal
☞A1
N
Check
Vs, Va
Y
Normal
N
Check voltage
. -V
Y
. V
SC
. V
ZB
※Refer to the Module label for each voltage
Y
N
1. Check Y-Sus/ Z-Sus Board
2. Replace defective B/D
2. Replace defective B/D
Check B+ Voltage
on Power Board
on Power Board
/ Control Board
.Check B+(5V)
Y
1.Check Control Board
. LED on
. Crystal(X101)
. 1.8V, 3V, 5V FET
. Rom update
. Crystal(X101)
. 1.8V, 3V, 5V FET
. Rom update
2.Replace Control B/D
☞A3
☞A5~A6
<SVC R/C & Pattern>
Check
Sound
Sound
Sound
OK
Y
Close
Y
Move
No Picture/No sound
Section
☞A2
Check
LVDS Cable
Replace
Main B/D
Normal
N
Y
N
Move
Power problem
Section
Normal
Normal
Move
Power problem
Section
N
☞A4
-V
Y
V
SC
V
ZB
☞A8~A11
☞A12
☞A13
First of all, Check whether all of cable between board was inserted properly or not.
(Main B/D↔ Power B/D, Power B/D↔ Y-sus B/D,Y-Sus B/D ↔Z-Sus B/D,LVDS Cable,Speaker Cable,IR B/D Cable,,,)
Check IR operation
Power
LED ON?
Latest S/W update
from GCSC
(Firmware Management)
N
Y
OSD
appear?
Y
N
Y
N
Close
☞A26
Making
Revision
2009. 2 . 1
2/9
PDP TV
Symptom
A. Picture Problem
No Picture/No Sound
Repair Process
Check Module pattern
by using “TILT” key
on SVC R/C
Normal
☞A1
N
Check
Sound
Sound
OK
Y
☞A2
N
Move
No Picture/ Sound Ok
Section
Close
Y
Check
LVDS Cable
Replace
Main B/D
Normal
Y
N
Replace
Main B/D
Normal
Check Input signal
. RF Cable connection
. SCART Cable connection
. HDMI Cable connection
. Component Cable …
. RF Cable connection
. SCART Cable connection
. HDMI Cable connection
. Component Cable …
2
Normal
Y
N
Repair/Replace
IR B/D
Click on the first or last page to see other 60PS40FR-TA (CHASSIS:PP91A) service manuals if exist.