LG 60PS8000-ZA (CHASSIS:PD91A) Service Manual ▷ View online
Making
Revision
2009. 2 . 1
PDP TV
Input
Block
HDMI Video Problem
Check input signal format
Is it supported?
Check JK600, JK601, JK602, JK603
for proper connection or damage
Replace the Jack
Check HDMI Cable for damage or
open conductors
Replace Mstar(IC100)
Check HDCP (IC107)
→Power(#8) & I2C Signal (#5, #6)
Replace IC600, 601, 602, 603
Replace IC107
Check Mstar(IC100)
Y
Y
Y
Y
Y
N
N
Check EDID EEPROM
(IC600, 601, 602, 603)
→ Power(#8) & I2C Signal (#5, #6)
N
N
7/14
Making
Revision
2009. 2 . 1
PDP TV
Input
Block
All Input Audio Problem
Make sure you can’t hear any audio
Check SCL,SDA
R1235, 1236
Replace R1235, 1236
Check IC701 Power
17V(C721), 3.3V(R718)
Check 17V (P800 #1,2),
3.3V (IC701 #21, 36)
Replace IC701
Check Mstar I2S Output
R231, 232, 233, 234
Replace IC100.
Check speaker for damage.
Check IC701 Status
Reset(#31) is High?
Reset(#31) is High?
Check
Reset (R724)
:They must be High (3.3V)
Replace the Speaker
Y
Y
Y
Y
Y
Y
N
N
N
N
N
8/14
Making
Revision
2009. 2 . 1
PDP TV
Input
Block
Digital TV / HDMI Audio Problem
Follow procedure All source audio
trouble shooting
Check EDID EEPROM (IC600, 601,
602, 603)
→ Power(#8) & I2C Signal (#5, #6)
Re-download EDID data
or Replace IC
◆ Digital TV
Check video output
Follow procedure All source audio
trouble shooting
Follow procedure digital TV
video trouble shooting
Replace Mstar IC (IC100)
Y
N
N
◆ HDMI
Y
N
9/14
< SIF waveform – sample >
- Defend on the input signal.
- Defend on the input signal.
Making
Revision
2009. 2 . 1
PDP TV
Input
Block
Analog TV Audio Problem
Check video output
Follow procedure All source audio
trouble shooting
Y
Follow procedure analog TV
video trouble shooting
N
Replace Mstar IC (IC100)
Check R1122,R1159 for 5V
Check R1122,R1159 output
N
Y
Check SIF signal L1105
Replace IC1104
N
Y
Check SIF signal (R1161)
Check SIF line
N
Y
Y
10/14
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