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41
SYMPTOM: NO AV1/AV3 AUDIO ABNORMAL
No AV1/AV3 audio
Replace connection
Yes
No
Check if signal of H18
pin 2,4,13,15 is normal
**
Replace U22
No
Check if signal of U22
pin 55,56,59,60 is norma
l**
Yes
Replace Speaker
Replace U6
No
Check if signal of
U6 pin 1,7 is norma
l**
Yes
Replace U31
No
Check if signal of U31
pin 1,2,14,15 is norma
l**
Yes
* Refer to DC voltages page
** Refer to Waveforms page
Содержание L32A102
Страница 2: ...PRODUCT SAFETY SERVICING GUIDELINES FOR VIDEO PRODUCTS SAFETY NOTICE ...
Страница 16: ...FUNCTION BUTTON BOARD DIAGRAM 16 PCB DIAGRAMS RMC BOARD DIAGRAM AV BOARD DIAGRAM ...
Страница 17: ...MAIN BOARD DIAGRAM TOP 17 ...
Страница 18: ...MAIN BOARD DIAGRAM BOTTOM 18 ...
Страница 65: ...Copyright Digital Media Systems Group 2008 All rights reserved L32A102 L32A102G SC No 0031E ...