Toshiba rd-xv48dtkb Service Manual page 29

Hdd & dvd / video cassette recorder
Hide thumbs Also See for rd-xv48dtkb:
Table of Contents

Advertisement

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
ECO+12V is not outputted.
Is 12V voltage supplied to emitter of Q1548?
Check Q1548, Q1549 and their periphery, and replace
P1(AV ASSEMBLY) if defective.
FLOW CHART NO.16
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.17
P-ON+10V is not outputted.
Is the supply voltage 14V fed to the cathode of D1031?
Check IC1102,Q1100,Q1101,Q1105 and their
periphery, and replace P3(PW/SW ASSEMBLY)
if defective.
Yes
Yes
Yes
Yes
Yes
No
Refer to "FLOW CHART NO.15"<ECO+12V is not
outputted>.
No
Refer to "FLOW CHART NO.8"<AL+12V(2) is not
outputted>.
No
Check D016 and their periphery, and replace
P3(PW/SW ASSEMBLY) if defective.
No
Refer to "FLOW CHART NO.17"<P-ON+10V is not
outputted>.
No
Check D1031 and their periphery, and replace
P3(PW/SW ASSEMBLY) if defective.
1-11-4
E3NG1TR

Advertisement

Table of Contents
loading

Table of Contents