1-11-2
E9G01TR
No
Yes
Check D1008, C1007, and their periphery, and
service it if defective.
FLOW CHART NO.10
P-ON+1.8V is not outputted.
Is 4V voltage supplied to Pin(1) of IC1504?
Replace IC1504.
No
Check D015, D016, D1032, L013, C018 and their
periphery, and service it if defective.
FLOW CHART NO.9
TIMER+5V is not outputted.
Is 5V voltage supplied to the emitter of Q1513?
Is the "L" pulse (approximately 0V) inputted to
the base of Q1516?
Is the "H" pulse (approximately 5V) inputted to
the base of Q1517?
Is 5V voltage supplied to the
Pin(37,99) of IC501.
Replace Q1516.
Replace
Q1517.
Yes
FLOW CHART NO.8
P-ON+5V (AL+5V) is not outputted. (P-ON+9V is outputted normally)
Is 5V voltage supplied to the collector of Q1518?
Replace Q1518.
No
No
Yes
Yes
Is the "H" pulse inputted to the base of Q1518?
Check D015, D016, D1032, L013, C018, and their
periphery, and service it if defective.
Check R1523 and their periphery,
and service it if defective.
FLOW CHART NO.7
P-ON+9V is not outputted. (P-ON+44V is outputted normally)
Is 12V voltage supplied to the collector of Q1515?
Replace Q1515.
No
Yes
Yes
Check C014, D014, D017, L010, C015, and their
periphery, and service it if defective.
FLOW CHART NO.6
P-ON+44V is not outputted.
Is 44V voltage supplied to the emitter of Q1516?
No
No
Is the "H" pulse (approximately 10V) inputted to
the base of Q1515?
Check D1511, R1568, R1569, R1570, and their
periphery, and service it if defective.
No
Yes
Yes
Replace IC501.
Yes
Check AL+5V(1) and
Timer+5V line, and
service it if defective.
No
No
Check D013, C013, and their periphery, and
service it if defective.
Is the "L" pulse outputted to the collector of Q1512?
Check Q1512, D1508 and their periphery, and
service it if defective.
Replace Q1513.
Yes
No
Yes
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...
