20
DVD-1930
FLOW CHART NO.21
Audio is not outputted normally.
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 12PIN AUDIO(L)
CN1601 14PIN AUDIO(R)
CN1601 13PIN AUDIO(L)-MUTE
CN1601 19PIN AUDIO(R)-MUTE
IC1201 1PIN AUDIO(L)
IC1201 7PIN AUDIO(R)
IC1201 2PIN AUDIO(L)
IC1201 6PIN AUDIO(R)
Replace IC1201.
Check the periphery between Pins(1,7) of IC1201,
JK1201 and JK1405, and service it if detective.
Check each line between each pin of CN1601
and each pin of IC1201 on AV CBA, and service it
if detective.
CN1601 12PIN
→
IC1201 2PIN AUDIO(L)
CN1601 14PIN
→
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 and JK1405)?
Yes
Yes
Yes
Yes
No
No
No
No
No
Replace the DVD Main CBA Unit or DVD Mechanism.
Replace the DVD Main CBA Unit or DVD Mechanism.
Summary of Contents for DVD DVD-1930
Page 32: ...32 DVD 1930 DVD Main 2 7 Schematic Diagram...
Page 34: ...34 DVD 1930 DVD Main 3 7 Schematic Diagram...
Page 35: ...35 DVD 1930 DVD Main 4 7 Schematic Diagram...
Page 36: ...36 DVD 1930 DVD Main 5 7 Schematic Diagram...
Page 37: ...37 DVD 1930 DVD Main 6 7 Schematic Diagram...
Page 38: ...38 DVD 1930 DVD Main 7 7 Schematic Diagram...
Page 40: ...40 DVD 1930 AV 2 3 Schematic Diagram 2...
Page 42: ...42 DVD 1930 5 1ch Amp Schematic Diagram 2...
Page 48: ...48 DVD 1930 Packing A22 S1 S2 S4 Unit S2 X10 X5 X2 X4 X12 X1 A30 A30...