No Hdmi Output - LG BH5140S Service Manual
3d blu-ray / dvd home theater system
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Also See for BH5140S:
- Owner's manual (73 pages) ,
- Simple manual (2 pages) ,
- Owner's manual (72 pages)
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ELECTRICAL TROUBLESHOOTING GUIDE
6. NO HDMI OUTPUT
No HDMI audio / video output.
JK801's status OK?
JK801 pin18 VCC 5 V OK?
JK801 pin19 HPD about 3.3 V OK?
Is there signal on R836, R837?
Is there signal on TMDS?
Replace IC501.
YES
YES
YES
YES
YES
YES
NO
NO
NO
Check hot plug detect signal from TV.
NO
Check I2C trace from IC501.
NO
Check TMDS trace from IC501.
2-47
Replace JK801.
Check VCC 5 V line.
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