1-11-16
E9G01TR
Are the video signals outputted to Pin(20) of IC1507?
No
Check the DVD-P-ON+5V line
and service it if defective.
Replace IC1507.
Yes
No
Is 5V voltage supplied to Pin(1) of IC1507?
Are the video signals inputted to each pin of
IC1518?
Check the line between video input terminal and
each pin of IC1518.
IC1581 1PIN
→
JK1502 VIDEO-IN1 (AV1)
IC1581 3PIN
→
JK2001 VIDEO-IN2 (AV1)
IC1581 28PIN
→
TU1501 17PIN TUNER-VIDEO
Check the line between each pin of IC1507 and
Pin(31) of IC1518 and video input terminal.
IC1507 12PIN
→
IC1518 31PIN TUNER/LINE VIDEO
IC1507 15PIN
→
JK1204 FRONT-Y-IN
IC1507 4PIN
→
JK1204 FRONT-C-IN
IC1507 10PIN
→
JK1201 FRONT-VIDEO-IN
Are the video signals inputted to each pin of IC1507?
Yes
No
Is 12V voltage supplied to Pin(2,4) of IC1518?
No
No
IC1518 1PIN VIDEO-IN1 (AV1)
IC1518 3PIN VIDEO-IN2 (AV2)
IC1518 28PIN TUNER-VIDEO
IC1507 12PIN TUNER/LINE VIDEO
IC1507 15PIN FRONT-Y-IN
IC1507 4PIN FRONT-C-IN
IC1507 10PIN FRONT-VIDEO-IN
Yes
Yes
Are the video signals outputted to Pin(31) of IC1518?
Yes
Replace IC1518.
No
Check AL+12V(1) line and
service it if defective.
Yes
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
Yes
Continued to "E" on the next page.
FLOW CHART NO.10
Video E-E does not appear.
Is the video signal inputted to Pins(48) of IC301?
Check the line between Pin(20) of IC1507 and
Pin(48) of IC301, and service it if defective.
Yes
Yes
Yes
Yes
Yes
No
Is the video signal inputted to Pin(5) of IC1518?
Check the line between Pin(4) of IC1508 and
Pin(5) of IC1518, and service it if defective.
No
No
Yes
No
No
No
No
No
Is the C-SYNC signal outputted to Pin(67) of IC301?
Is the C-SYNC signal inputted to Pin(58) of IC501?
Is the video signal outputted to Pin(4) of IC1508?
Is 5V voltage supplied to Pins(18,24,42,55,72) of IC301?
Is the serial data and clock signal
supplied to Pins(68,69) of IC301?
Check the P-ON+5V line and AL+5V(1)
line, and service it if defective.
Check the line between Pin(67)
of IC301 and Pin(58) of IC501,
and service it if defective.
Check the line between Pins(68,69) of IC301
and Pins(71, 72) of IC501, and service it if
defective.
Check the line between Pin(65) of IC301 and
Pin(5) of IC1508, and service it if defective.
Is the video signal inputted into Pin(5) of IC1508?
Replace IC301.
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...