25
DVM-1845/745
FLOW CHART NO.22
Audio is not outputted.
Set the disc on the disc tray, and playback.
Are the analog audio signals outputted to each pin
of CN1601 on AV CBA?
Is the "H" level mute signal outputted to CN1601
on AV CBA ?
CN1601 11PIN AUDIO(L)
CN1601 13PIN AUDIO(R)
CN1601 18PIN AUDIO(R)-MUTE
CN1601 12PIN AUDIO(L)-MUTE
IC1201 1PIN AUDIO(L)
IC1201 7PIN AUDIO(R)
IC1201 2PIN AUDIO(L)
IC1201 6PIN AUDIO(R)
Replace the DVD Main CBA Unit or DVD Mechanism.
Replace the DVD Main CBA Unit or DVD Mechanism.
Replace IC1201.
Check the periphery between Pins(1,7) of IC1201
and JK1201, and service it if defective.
Check each line between each pin of CN1601
and each pin of IC1201 on AV CBA, and service it
if defective.
CN1601 11PIN
→
IC1201 2PIN AUDIO(L)
CN1601 13PIN
→
IC1201 6PIN AUDIO(R)
Are the analog audio signals inputted to each pin
of IC1201.
Are the analog audio signals outputted to each pin
of IC1201?
Are the audio signals outputted to the specific
output terminal?
Are the audio signals outputted to the audio
terminal (JK1201)?
Yes
Yes
Yes
Yes
No
No
No
No
No
Содержание DVM-1845/745
Страница 13: ...13 DVM 1845 745 S 15 20 PCB Holder 19 DVD Main CBA Unit Fig D10...
Страница 35: ...35 DVM 1845 745 DVD Main 1 4 Schematic Diagram 1 NOTE Either IC461 or IC462 is used for DVD MAIN CBA UNIT...
Страница 36: ...36 DVM 1845 745 DVD Main 2 4 Schematic Diagram...
Страница 37: ...37 DVM 1845 745 DVD Main 3 4 Schematic Diagram...
Страница 38: ...38 DVM 1845 745 DVD Main 4 4 Schematic Diagram...
Страница 40: ...40 DVM 1845 745 AV 2 2 Schematic Diagram...
Страница 41: ...41 DVM 1845 745 Changer 1 2 Function Power Switch Switch Schematic Diagram...
Страница 43: ...43 DVM 1845 745 Relay Sensor Mecha Pick Up Unit Schematic Diagram...
Страница 57: ...57 DVM 1845 745 Packing X10 X22 X21 X5 X2 X4 S2 S2 S3 S3 S1 A30 A30 A22 S10 X1 S4 Unit...