DOWNLOAD LG 32LD350 (CHASSIS:LA04A) Service Manual ↓ Size: 4.45 MB | Pages: 60 in PDF or view online for FREE

Model
32LD350 (CHASSIS:LA04A)
Pages
60
Size
4.45 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / LCD
File
32ld350-chassis-la04a.pdf
Date
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LG 32LD350 (CHASSIS:LA04A) Service Manual ▷ View online

9. Digital TV Audio
Check RF Cable & Signal
Check Tuner 3.3V Power
L5003
Replace L5003
Check Tuner 1.2V Power 
IC5001 2 pin :1.2V
Check IF_P/N Signal
TU5001 17/18 Pin
Check Demodulator Input
Clock(X1005-25Mhz)
Replace X1005
Check IC1004(LGDT) Output
- AR1070, AR1071
Replace IC5001.
Check Tuner 5V Power
L5004
Check IC401
Follow procedure 
‘8. All source audio’
trouble shooting guide.
ok
ok
ok
ok
ok
ok
ok
No
No
No
No
No
No
Replace IC401
No
Replace L5004
ok
Bad Tuner. Replace Tuner.
Replace IC1004
Check IC1004(LGDT) VCC
No
Check VCCIN/OUT
IC1001,IC100
No
Replace IC1001,IC100
ok
10. Analog TV Audio
Check RF Cable & Signal
Check Tuner 3.3V Power
L5003
Replace L5003
Check Tuner 1.26V Power 
IC5001 2 pin : 3.3V
Check SIF Signal & Buffer signal
TU5001 11 Pin / R5032
Replace IC5001.
Check Tuner 5V Power
L5004
Check IC401
Follow procedure 
‘8. All source audio’
trouble shooting guide.
ok
ok
ok
ok
ok
No
No
No
No
Replace IC401
No
Replace L5004
ok
Replace Tuner. Or Replace Q5004
12. Component Audio
Check Component Cable
for damage or open conductor.
Check JK9800 & Signal Line
ok
ok
No
Replace Jack
11. AV Audio
Check AV Cable for damage
for damage or open conductor
Check JK9800, *JK3302
& Signal Line
ok
ok
No
Replace Jack
* JK3302 is Side AV supported model
26/32LD350 models
Follow procedure 
‘8. All source audio’
trouble shooting guide.
Follow procedure 
‘8. All source audio’
trouble shooting guide.
13. RGB Audio
Check Cable conductors
for damage or open conductor
Check JK1104 & Signal Line
ok
No
ok
Replace Jack
Follow procedure 
‘8. All source audio’
trouble shooting guide.
LG Electronics/ LCD TV Division 
LCD TV  Gr. 
LD350 Block Diagram
Video Signal Block
Video Signal Block
Audio Signal Block
Audio Signal Block
Flash  Block & Reset
Flash  Block & Reset
MSD3368 I2C   Block
MSD3368 I2C   Block
MSD3368  GPIO   Block
MSD3368  GPIO   Block
POWER Block
POWER Block
Overall Block Diagram
Overall Block Diagram
< Contents >
LVDS 출력 Block
LVDS 출력 Block
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