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Troubleshooting > Trouble Diagnosis
(3) No power
Check fuse
(F1601)
OK
NG
OK
OK
Fuse replacement
TL1609: 9V (+B)
NG
D1601 faulty
TL1535: 9V (+B)
NG
CP1601 faulty
TL1530: 5V
OK
TL1531: 3V
OK
TL1532: 2V
OK
TL1533: 15V
TL1534: -6.5V
OK
TL1510: 7.2V
NG
IC1501-44: 8V
OK
Q1501 faulty
NG
IC1501 faulty
NG
IC1501-35: 8V
OK
Q1502 faulty
NG
IC1501 faulty
NG
IC1501-2: 8V
OK
Q1503 faulty
NG
IC1501 faulty
TL1534: -6.5V
NG
NG
IC1501 faulty
IC1501-41: 8V
NG
OK
D1501 faulty
OK
Q1504 faulty
NG
D1503 faulty
OK
NG
IC1502 faulty
Correct the connections
of circuit boards
The test lands and components of circuit no. 1000-1099 are
on the SP circuit board.
The test lands and components of circuit no. 1100-1499 are
on the PC circuit board.
The test lands and components of circuit no. 1500 and higher
are on the CSR circuit board.
OK