Daewoo DS-2000N, Service Manual

Page: 19 / 47

Disc doesn't turn.
Normal
Check if voltage of SP+ and
SP- of XS103aredifferent.
Check if voltage o f 11 and
12pinofD113aredifferent.
Check if voltage o f 1 4 4 p i n
of D101 is normal.
Checkifvoltage of 91-99 pin,
24-31 pin of D108 is normal.
1. Check connections between CPU address
bus, data bus and CXD1866.
2. Check CPUandperipheral components.
1. Check connections between CXD1866
pin 144 and BA5983 pin 6.
2. Check CXD1866andperipheral
components.
1. Check connections between BA5983
and XS103.
2. Check BA5983 andperipheral
components.
Check connection of mechanism.
Yes
Yes
Yes
Yes
No
No
No
No
I Turn abnormal
14