ELECTRICAL TROUBLESHOOTING GUIDE
No 13 VA
Check or replace D126, D130.
2. POWER SUPPLY ON SMPS BOARD
No 5.3 VA
Is F101 normal?
Is R101 normal?
Is D103 ~ D106 normal?
Is the V
(13 V~27 V) supplied to IC101
pin7?
Power line of MAIN board is short.
YES
YES
YES
YES
YES
CC
YES
NO
Replace F101 (same fuse).
NO
NO
Replace D103/ D104/ D105/ D106.
NO
Check or replace D102.
3-43
Replace R101.
Is D102 normal?
NO