Daewoo NC-8112E Service Manual page 8

Trouble Shooting Guide
1
Front & Tuner Section
2
AC cord in
3
4
5
Power ON/OFF ON
Yes
6
7
VFD Display
8
9
Function LED light
Function command
Yes
no
no
Yes
no
Yes
no
Yes
1.Check CN700
2.Check IC701 of 33pin/40pin:3.3V
3.Check IC707(MCU IC) of 32pin:(main power on)
1.Check CN702
2.Check FD701(VFD)
3.Check IC701(SC16315)
1.Check CN700 of 10pin:5V
2.Check LD705/LD706/LD707/LD709/
LD710/LD711/LD712/LD713/LD714/
LD715
1.Check IC707(MCU IC) of 44/45/46/47/48pin
2.Check SW701/SW702/SW703/SW704/
SW705/SW706/SW707/SW708/SW709/
SW710/SW711/SW712/SW713/SW714
SW715/SW716/SW717/SW718/SW719.
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