Toshiba DVR80KF Service Manual

1-11-2 E9TK3TR
FLOW CHART NO.6
AL+44V is not outputted.
Is the supply voltage 44V fed to the cathode of D013?
Check D013, D1140 and their periphery, and replace
P4(PW/SW ASSEMBLY) if defective.
Check for load circuit short-circuiting or leak, and
replace P1(AV ASSEMBLY) if defective.
FLOW CHART NO.8
AL+12V(ECO+12V) is not outputted.
Is the supply voltage 12V fed to the cathode of D014?
Check D014 and their periphery, and replace
P4(PW/SW ASSEMBLY) if defective.
Check for load circuit short-circuiting or leak, and
replace P1(AV ASSEMBLY) if defective.
FLOW CHART NO.7
TU+30V is not outputted.
Is 44V voltage supplied to collector of Q1808?
Refer to "FLOW CHART NO.6"<AL+44V is not
outputted>.
Is the "H" pulse (approximately 32V) inputted to
the base of Q1808?
Check D1804 and their periphery, and replace
P1(AV ASSEMBLY) if defective.
Check Q1511, Q1512 and their periphery, and
replace P1(AV ASSEMBLY) if defective.
FLOW CHART NO.9
P-ON+9V(VCR) is not outputted.
Is 12V voltage supplied to collector of Q1513?
Refer to "FLOW CHART NO.8"<AL+12V(ECO+12V)
is not outputted>.
Is the "H" pulse (approximately 10V) inputted to
the base of Q1513?
Refer to "FLOW CHART NO.7"<TU+30V is not
outputted>.
Check Q1513 and their periphery, and replace
P1(AV ASSEMBLY) if defective.
No
No
No
No
No
No
Ye s
Ye s
Ye s
Ye s
Ye s
Ye s
FLOW CHART NO.10
P-ON+5V(DECK) is not outputted.
Is 12V voltage supplied to collector of Q1516? Refer to "FLOW CHART NO.8"<AL+12V(ECO+12V)
is not outputted>.
No
Ye s
Is the "H" pulse (approximately 6V) inputted to
the base of Q1516?
Refer to "FLOW CHART NO.9"<P-ON+9V(VCR) is
not outputted>.
No
Ye s
Check Q1516 and their periphery, and replace
P1(AV ASSEMBLY) if defective.

Toshiba DVR80KF Specifications

General

Brand	Toshiba
Model	DVR80KF
Category	DVD Recorder
Language	English