Troubleshooting - Samsung VP-MX10 Service Manual

Troubleshooting

4-1 Troubleshooting
4-
If the power is not
Supplied 1
Does the fuses(F90~)
Work normally?
Yes
Is 3V accepted in 36Pin
Of IC90?
Yes
Does
a voltage-out-
put to the 4pin Of Q90~Q908
work normally?
Yes
Does
a voltage-out-
put to the pin Of Q90~Q908
work normally?
Refer to Wave pattern
Yes
image of Table 4--1, 4-2
Main board
Repair/replacement
No
Fuse replacement
No
A
No
Check L90~L908
Refer to a pattern
image of Table 4-1
No
Replace inferior FET-SILICON
Samsung Electronics