LG 26LD320H (CHASSIS:LD91X) Service Manual ▷ View online
Check the SPDIF Cable
YES
Check MAIN B’D R230
PWM Signal ?
Replace MAIN B’D IC 100
Speaker Audio OK
YES
Check MAIN B’D JK403
Replace MAIN B’D JK403
NO
YES
NO
Check the Trouble Shooting Guide
Related to Audio Problem
NO
Making
전자 - 6-2
Revision
LCD TV
Symptom
SPDIF No Audio Problem
2010. 07 .27
22~42LD320H
Check MAIN B’D
JK405 Pin #1 5V ?
NO
Check MAIN B’D
R848 12V ?
Check that the USB Memory & HDD are supported by Spec
(Refer to User Manual’s USB cautions)
YES
Check MAIN B’D
R801 5V ?
Replace MAIN B’D IC402
YES
NO
Replace MAIN B’D IC808
YES
YES
Replace MAIN B’D IC 100
Check MAIN B’D
JK405 OK ?
YES
NO
Replace MAIN B’D JK405
Making
전자 - 6-2
Revision
LCD TV
Symptom
USB No Connect Problem
2010. 07 .27
22~42LD320H
Check IR B’D P1 Wafer
& Connector
Check MAIN B’D P1305
Wafer & Connector
YES
NO
Replace it
YES
Replace IR B’D
Making
전자 - 6-2
Revision
LCD TV
Symptom
Remote Control Problem
2010. 07 .27
22~42LD320H
Check IR B’D P1 Wafer
& Connector
Check MAIN B’D P1305
Wafer & Connector
YES
NO
Replace MAIN B’D IC100
IR B’D IC1 Pin #3
Voltage 4V ↑
?
NO
NO
Replace it
YES
Replace IR B’D IC1
NO
Replace MAIN B’D IC100
Making
전자 - 6-2
Revision
LCD TV
Symptom
Remote Control Problem
22LD320H
2010. 07 .27
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