1-11-11
E9G01TR
FLOW CHART NO.8
Audio is not outputted during playback.
Set the disc on the disc tray, and playback.
Are the analog audio signals outputted to each pin
of CN1502?
CN1502 17PIN AUDIO (L)-OUT
CN1502 15PIN AUDIO (R)-OUT
IC1513 1PIN AUDIO (L)-OUT
IC1513 7PIN AUDIO (R)-OUT
IC1513 2PIN AUDIO (L)-OUT
IC1513 6PIN AUDIO (R)-OUT
Check each line between each pin of CN1502
and each pin of IC1513, and service it if defective.
CN1502 17PIN
→
IC1513 2PIN AUDIO(L)-OUT
CN1502 15PIN
→
IC1513 6PIN AUDIO(R)-OUT
Are the analog audio signals inputted to each pin
of IC1513?
Are the analog audio signals outputted to each pin
of IC1513?
Yes
Yes
Yes
No
No
IC1508 1PIN AUDIO (L)-OUT
IC1508 13PIN AUDIO (R)-OUT
Check each line between each pin of IC1513
and each pin of IC1508, and service it if defective.
IC1513 1PIN
→
IC1508 1PIN AUDIO(L)-OUT
IC1513 7PIN
→
IC1508 13PIN AUDIO(R)-OUT
Are the analog audio signals inputted to each pin
of IC1508?
Yes
No
Yes
No
No
Do Pin(26,29) of IC501 become "H" level?
If Pin(26) of IC501 become "L" level, replace
DVD MECHANISM & DVD MAIN CBA ASSEMBLY.
If Pin(29) of IC501 become "L" level, replace
IC501.
Replace the DVD MECHANISM & DVD MAIN
CBA ASSEMBLY.
Check the P-ON+10V line and
service it if defective.
Replace IC1513.
Yes
No
Is 10V voltage supplied to Pin(8) of IC1513?
IC1508 15PIN AUDIO (L)-OUT
IC1508 14PIN AUDIO (R)-OUT
Are the analog audio signals outputted to each pin
of IC1508?
Yes
IC1518 6PIN AUDIO (L)-OUT
IC1518 12PIN AUDIO (R)-OUT
Are the analog audio signals inputted to each pin
of IC1518?
No
Check the AL+5V(1) and AL-5V
line, and service it if defective.
Replace IC1508.
Yes
No
Is 5V voltage supplied to Pin(16) of IC1508?
Is -5V voltage supplied to Pin(7) of IC1508?
Yes
Continued to "D" on the next page.
Check each line between each pin of IC1508
and each pin of IC1518, and service it if defective.
IC1508 15PIN
→
IC1518 6PIN AUDIO(L)-OUT
IC1508 14PIN
→
IC1518 12PIN AUDIO(R)-OUT
No
Summary of Contents for DRVR-B778S
Page 17: ...1 6 5 E9G01DC Fig D10 20 Deck Pedestal 21 Front Bracket R S 19 S 19 S 19 S 19 S 20...
Page 56: ...1 13 3 E9G10SCM1 Main 1 9 Schematic Diagram VCR Section...
Page 58: ...1 13 5 E9G10SCM3 Main 3 9 Schematic Diagram VCR Section...
Page 59: ...1 13 6 E9G10SCM4 Main 4 9 Schematic Diagram VCR Section...
Page 60: ...1 13 7 E9G10SCM5 Main 5 9 Schematic Diagram VCR Section...
Page 61: ...1 13 8 E9G10SCM6 Main 6 9 Front Jack Schematic Diagram VCR Section...
Page 62: ...1 13 9 E9G10SCM7 Main 7 9 Schematic Diagram VCR Section...
Page 63: ...1 13 10 E9G10SCM8 Main 8 9 Schematic Diagram VCR Section...
Page 64: ...1 13 11 E9G10SCM9 Main 9 9 Schematic Diagram VCR Section...
Page 66: ...1 13 13 E9G10SCRJ Rear Jack Schematic Diagram VCR Section...
Page 67: ...1 13 14 E9G10SCAFV AFV Schematic Diagram VCR Section...
Page 87: ...1 18 2 E9G01PEX Packing X4 S2 S2 S3 S2 A14 S1 S5 S5 S2 X9 X3 S9 X2 X1 X31 X43 X22 X20 S10...
Page 104: ...DRVR B778S E9G10BD 2007 07 23...