LG 32LX2D Service Manual - Page 15

Troubleshooting

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Page 15 highlights

No image Yes Is the Set ON? NO Push the POWER ON key Is the input cable attached? Yes What is the input signal mode? NO Attach the input cable(s) Component / S-Video TROUBLESHOOTING - 15 - Correct them FAIL Check the Condition of all Connectors, wafers, I2C PASS In component (component) Signal flow Check the Input Y, Cb, Cr At the pin no.5,7,9 of IC-AN15865 on Jack board FAIL Replace SideAV board To sheet 21 PASS (S-Video) PASS Power Error FAIL Check 9V Across L401and 5V across L404 and L402 FAIL Check the output YUV at R 418, 415, 412 respectively PASS Replace IC1 AN15865 PASS To sheet 20

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- 15 -
TROUBLESHOOTING
No image
Attach the input cable(s)
Push the POWER ON key
Is the Set ON?
Is the input cable
attached?
Component / S-Video
Replace SideAV board
Correct them
What is
the input signal
mode?
Check the
Input Y, Cb, Cr
At the pin no.5,7,9 of
IC-AN15865 on
Jack board
Check the
Condition of all
Connectors, wafers, I2C
In component
Signal flow
Power Error
Replace IC1 AN15865
To sheet 20
To sheet 21
Yes
NO
Yes
FAIL
PASS
(component)
PASS
(S-Video)
FAIL
FAIL
PASS
PASS
PASS
FAIL
NO
Check the
output YUV at
R 418, 415, 412
respectively
Check 9V
Across L401and
5V across L404
and L402