Table of Contents
Advertisement
FLOW CHART NO.6
P-ON+44V is not outputted.
Is 44V voltage supplied to the emitter of Q053?
Is the "L" pulse (approximately 0V) inputted to
the base of Q053?
Replace Q053.
FLOW CHART NO.7
AL+9V (AL+12V) is not outputted. (P-ON+44V is outputted normally)
Is 12V voltage supplied to the collector of Q055?
Is the "H" pulse (approximately 10V) inputted to
the base of Q055?
Replace Q055.
FLOW CHART NO.8
P-ON+5V (AL+5V) is not outputted. (P-ON+44V is outputted normally)
Is 5V voltage supplied to the collector of Q056?
Is the "H" pulse inputted to the base of Q056?
Replace Q056.
FLOW CHART NO.9
EV+3.3V is not outputted.
Is 4V voltage supplied to Pin(1) of IC1003?
Replace IC1003.
FLOW CHART NO.10
EV 1.2V is not outputted.
Is 2.8V voltage supplied to Pin(1) of IC1002?
Replace IC1002.
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
Check D013, C013, and their periphery, and
service it if defective.
No
Is the "H" pulse (approximately 5V) inputted to
the base of Q054?
Yes
Replace Q054.
Replace IC501.
No
Check D014, D017, L010, C015, and their
periphery, and service it if defective.
No
Check D054, R055, and their periphery,
and service it if defective.
No
Check D016, L013, C017, C018, and their
periphery, and service it if defective.
No
Check R058, R059, R060 and their periphery,
and service it if defective.
No
Check D1008, L1012, C1007, C2015 and
their periphery, and service it if defective.
No
Check D1030, L1009, C1035, C1107, and their
periphery, and service it if defective.
3-2
No
Is 5V voltage supplied to the
Pin(37,99) of IC501.
Yes
No
Check AL+5V and
Timer+5V line, and
service it if defective.
Hide quick links:
Advertisement
Table of Contents
