LG 60PS80BR-TA (CHASSIS:PP91A) Service Manual ▷ View online
Making
Revision
2009. 2 . 1
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
2009. 2 . 1
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 Remocon
Press “In-start” →Press” 0000”
→ Select Panel option → Pop up Module Rom ver.
→ Select Panel option → Pop up Module Rom ver.
※Refer to the Module Rom upgrade manual
for Rom upgrade.
USB Type Jig
A15
Making
Revision
2009. 2 . 1
A16
PDP TV
Symptom
A. Picture Problem
Y Drive B/D Checking method
Repair Process-Reference data
A16
▶ Scan IC output checking method
1. Fixed Red Probe(“-”) at one pin of any Input connector
2. Check all pin of output connector(6ea) by using Black probe
If DMM display value as the below,there is no problem.
ÎNormal : Forward (0.7V ~ 0.8V), Reverse( O.L)
If Y Drive have defect (short) , DMM display almost 0v.
※ DMM(Digital Multi Meter)
< In case that Y Drive is ok >
. Diode
- Forward: 0.7V
- Reverse: O.L
- Reverse: O.L
◆ Y Drive board
Input
connecter
Scan IC
(Red Probe”-”)
(Black Probe”+”)
Output connecter
Check all pin on output connector by using Black probe
42G2
50G2
Input
connecter
Making
Revision
2009. 2 . 1
PDP TV
Symptom
A. Picture Problem
Check Discharge resistor on Power B/D
Repair Process-Reference data
A17
Check Discharge resistor (10Ω/22Ω 2~3ea)
on Power B/D before replace Y Drive B/D
42” (Maker: LGIT,Sanken) 42” (Maker: Lite On)
50” HD(Maker: LGIT,Sanken)
A17
Click on the first or last page to see other 60PS80BR-TA (CHASSIS:PP91A) service manuals if exist.