DOWNLOAD LG 42PQ1100-ZE (CHASSIS:PD92A) Service Manual ↓ Size: 7.21 MB | Pages: 54 in PDF or view online for FREE

Model
42PQ1100-ZE (CHASSIS:PD92A)
Pages
54
Size
7.21 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / Plasma
File
42pq1100-ze-chassis-pd92a.pdf
Date
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LG 42PQ1100-ZE (CHASSIS:PD92A) Service Manual ▷ View online

Check  P1100 All
Voltage Level (17V, 5V)
Check Power connector
OK ?
Replace Power board
Y
N
Y
Check L1103 
Voltage Level 5V
Replace L1103
Y
N
Check IC1105 (pin2)
Voltage Level 3.3V
Replace IC1105
N
Check  IC109 (pin29) Output
Voltage Level (3.3V) 
Replace  IC109
N
Y
Making 
Revision 
2009. 2 . 1
1/14
PDP TV
Symptom
Power-Up Boot Fail
Making 
Revision 
2009. 2 . 1
2/14
PDP TV
Input
Block
Digital TV Video Problem
Check RF Cable
Check TP Clock, Data, Sync
Maybe Tuner has problems
: Replace Tuner
Y
N
Check 5V voltage
on IC500, IC501(Chip Tuner)
Replace IC500 or IC501
Y
N
Y
Replace Mstar(IC100) has 
problems
N
Y
Check  color
Bad Tuner. Replace Tuner.
None
Green
Check Demodulator Input Clock
X501 (31.875MHz)
Replace it X501
N
Y
Check PDP Module 
Control board
Refer to Module CAS
Check P400 or P403
#17(CKM) , #18(CKP) , 
#32(CKP) , #33(CKM)
< CVBS waveform – sample >
- Defend on the input signal.
Making 
Revision 
2009. 2 . 1
PDP TV
Input
Block
Analog TV Video Problem
Check RF Cable
Check CVBS signal
TU500 #16 Pin
Replace Tuner(IC500)
Y
N
Replace IC503 or IC505
Y
N
Y
Replace Mstar(IC100)
Check 5V voltage
on IC500, IC501(Chip Tuner)
3/14
Making 
Revision 
2009. 2 . 1
PDP TV
Input
Block
Component Video Problem
Check input signal format
Is it supported?
Check signal
on C712,C713,C714
Y
Check the damage of JK701
And Replace Connector
N
Y
Replace Mstar(IC100)
Y
Check Component Cable
※ Measured signals depend on the input signal.
4/14
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