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PDP TV Repair Guide
< Applicable Model >
- PD11A/B/L/K
PDP TV Repair Process Index

No. Symptom (L) Symptom (M) Page Remark

1 No Picture/Sound OK 1

2 No Picture/No sound 2

3 A. Picture Problem Mal-discharge/Noise/dark picture 3

4 Picture broken/Freezing 4

5 Vertical bar/ Horizontal Bar 5

6 No Power (Not turn on) 6
B. Power Problem
7 Turn off (Instant, under watching) 7

8 C. Sound Problem No sound/ Sound distortion 8

9 Remote control & Local Key checking 9
E. General function Problem
10 RF emitter checking 10

First of all, Check whether there is SVC Bulletin in GCSC System for these model.
Repair Process
A. Picture Problem Making 2010. 11. 16 - 6-2
PDP TV Symptom
No Picture/Sound OK Revision 1/10

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, Power B/D Z-Sus B/D(for 60Inch), LVDS Cable, Speaker Cable, IR B/D Cable)
A1 A2
Check Module pattern
Y Check Sound Y Check Y
by using "TILT" key Normal Normal Close
Sound OK LVDS Cable
on SVC R/C
N N
Move Replace
N
No Picture/No sound
Main B/D
Section
A13
A5~A6 A12
A3 Check voltage Check B+ Voltage
1.Check Control Board
Check Y Y Y . LED on
. -VY on Power Board
Normal Normal Normal . Crystal(X2), 3.3V, 5V
Vs, Va . VSC / Control Board
. Rom update
. VZB .Check B+(5V)
2.Replace Control B/D
N N N
A8~A11
Move Move
Power problem 1. Check Y-Sus/ Z-Sus Board Power problem
Section 2. Replace defective B/D Section


Refer to the Module label for each voltage A4





-VY VSC VZB
1
Repair Process
A. Picture Problem Making 2010. 11. 16 - 6-2
PDP TV Symptom
No Picture/No Sound Revision 2/10



A1 A2
Check Module pattern
Y Check Sound Y Check Picture Y
by using "TILT" key Normal Close
Sound OK LVDS Cable OK
on SVC R/C
N N N
A6
Check
Move
Video
No Picture/ Sound Ok
Section




Close

Check N Check Speaker N Y Apply Y
Normal Normal SVC Normal
"Speaker ON/Off" setting jack connection SVC Bulletin
Sound? Sound? Bulletin? Sound?
in OSD Menu & Speaker Cable open (S/W Upgrade etc)

Y Y N N


Check 17V N
Close Close Normal Check Power B/D
(Audio IC B+)
voltage? Replace Power B/D
on Power B/D
Y

Check Audio IC Short
Replace Main B/D


2
Repair Process
A. Picture Problem Making 2010. 11. 16 - 6-2
PDP TV Symptom
Mal-discharge/Noise/dark picture Revision 3/10

Check A15
Picture problem
Type Check CTRL ROM Ver. N N
Dot Normal Replace Normal Replace
and
type Picture? Control board Picture? Module
Rom Upgrade
A14 Y Y
Mal-discharge
Close Close N


A5 A16
A13
Check voltage Check
Scan Normal Y Normal N 1.Check Control B/D Normal
.