17
TROUBLESHOOTING
c. AV2 E-E
No sound in AV2 E-E mode.
NO
Check Input AV2 JACK
Is Audio signal at IC251 pin#8, 9?
Is Audio signal output at IC601 pin
#3, 13?
Check IC501.
Is Audio signal output at IC251
pin#19, 20?
Are CLK and DATA obtained at
IC251 pin#42,43?
NO
Is 5V obtained at IC251 pin#40?
Replace IC251.
YES
YES
Is 12V obtained at IC251 pin#34?
NO
YES
Check POWER circuit.
YES
Replace IC601.
YES
Comparing with switching table, are SWA, B CTL SIGNAL
right at IC601 pin #9,10?
NO
Check Output JACK.
YES
YES
NO
Содержание HV-DX3E
Страница 1: ...Service Manual Service Manual MODEL HV DX3E HV DX3EV HV DX3SP Oct 2004 SANYO Electic Co Ltd ...
Страница 27: ...26 CIRCUIT DIAGRAM 1 POWER SUPPLY CIRCUIT DIAGRAM ...
Страница 28: ...27 CIRCUIT DIAGRAM 2 SERVO SYSCON CIRCUIT DIAGRAM ...
Страница 29: ...28 CIRCUIT DIAGRAM 3 VIDEO AUDIO CIRCUIT DIAGRAM ...
Страница 30: ...29 4 HiFi SW INPUT CIRCUIT DIAGRAM CIRCUIT DIAGRAM ...
Страница 31: ...30 CIRCUIT DIAGRAM 5 PIF CIRCUIT DIAGRAM ...
Страница 32: ...31 CIRCUIT DIAGRAM 6 DVD CIRCUIT DIAGRAM ...
Страница 33: ...32 CIRCUIT DIAGRAM ...
Страница 34: ...33 CIRCUIT DIAGRAM ...
Страница 35: ...34 CIRCUIT DIAGRAM ...
Страница 36: ...35 CIRCUIT DIAGRAM ...
Страница 37: ...36 PCB CIRCUIT BOARD 1 1 VCR MAIN ...
Страница 38: ...37 PCB CIRCUIT BOARD 1 2 POWER ...
Страница 39: ...38 PCB CIRCUIT BOARD 1 3 DVD MAIN ...
Страница 43: ...42 INSTRUMENT DISASSEMBLY FIG 5 E MAIN PCB DISASSEMBLY Remove 2 screws then remove MAIN PCB Remove 2 screws ...
Страница 44: ...43 INSTRUMENT DISASSEMBLY F MAIN CHASSIS DISASSEMBLY FIG 6 Remove 4 screws then remove MAIN ...