Toshiba DVR19DTKB2 Service Manual page 27

Dvd/ videocassetterecorder
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FLOW CHART NO.15
DVD-P-ON+5V 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
P4(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?
Check Q1100,Q1101,Q1104 and their periphery,
and replace P4(PW/SW ASSEMBLY) if defective.
FLOW CHART NO.17
P-ON+3.3V is not outputted.
Is the supply voltage 5V fed to the cathode of D1101?
Is the "H" pulse (approximately 5V) inputted to
the base of Q1107?
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.
FLOW CHART NO.18
SYS+5V is not outputted.
Is 5V voltage outputted to pin 26 of CL1001?
Check for load circuit short-circuiting or leak, and
replace P1(AV ASSEMBLY) if defective.
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
Check D016, D1102 and their periphery, and replace
P4(PW/SW ASSEMBLY) if defective.
No
Refer to "FLOW CHART NO.16"<P-ON+10V is not
outputted>.
No
Check D017, D1031 and their periphery, and replace
P4(PW/SW ASSEMBLY) if defective.
No
Check D1101 and their periphery, and replace
P4(PW/SW ASSEMBLY) if defective.
No
Check the 1V2CONT signal line, and replace
P1(AV ASSEMBLY) if defective.
No
Check IC1104 and their periphery, and replace
P4(PW/SW ASSEMBLY) if defective.
No
Check IC1051, IC1052, IC1151, D1152, T1051 and
their periohery, and replace P4(PW/SW ASSEMBLY)
if defective.
1-11-4
E9TK3TR

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