Toshiba D-VR60DTKF Service Manual page 25

Dvd video recorder /video cassette recorder
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FLOW CHART NO.14
ECO+9V is not outputted.
Is 10V voltage supplied to collector of Q1521?
Check Q1521 and their periphery, and
replace P1(AV ASSEMBLY) if defective.
FLOW CHART NO.15
P-ON+5V(2) is not outputted.
Is the supply voltage 5V fed to the cathode of D016?
Is the "H" pulse (approximately 6V) inputted to
the base of Q1106?
Check Q1106 and their periphery, and
replace P3(PW/SW ASSEMBLY) if defective.
FLOW CHART NO.16
P-ON+10V is not outputted.
Is the supply voltage 14V fed to the cathode
of D1031?
Is 12V voltage supplied to collector of Q1105?
Is 10V voltage outputed to pin 12 of CL1001?
Check for load circuit short-circuiting or leak, and
replace P1(AV ASSEMBLY) if defective.
FLOW CHART NO.17
P-ON+3.3V is not outputted.
Is the supply voltage 5V fed to the cathode of D1103?
Is 3.3V voltage outputted to pin 2 of IC1104?
Check for load circuit short-circuiting or leak, and
replace P1(AV ASSEMBLY) if defective.
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
Refer to "FLOW CHART NO.8"<AL+12V is not
outputted>.
No
Check D016 and their periphery, and replace
P3(PW/SW ASSEMBLY) if defective.
No
Refer to "FLOW CHART NO.16"<P-ON+10V is not
outputted>.
No
Check D1031 and their periphery, and replace
P3(PW/SW ASSEMBLY) if defective.
No
Is the "H" pulse (approximately 0.7V) inputted to
the base of Q1514?
Yes
Check Q1511, Q1514
and their periphety, and
replace P3(PW/SW
ASSEMBLY) if defective.
No
Cheak Q1105 and their periphery, and replace
P3(PW/SW ASSEMBLY) if defective.
No
Check D1103 and their periphery, and replace
P3(PW/SW ASSEMBLY) if defective.
No
Check IC1104 and their periphery, and replace
P3(PW/SW ASSEMBLY) if defective.
1-10-4
No
Check the POW-SW
signal line, and replace
P1(AV ASSEMBLY)
if defective.
E9NG0TR

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