I Turn abnormal
Disc doesn't turn.
Check if voltage of SP+ andYes
Check connection of mechanism.
SP- of XS103 are different.
No
1. Check connections between BA5954
Check if voltage of 11 andYes and XS103.
12 pin of D104 are different.2. Check BA5954 and peripheral
components.
No
1. Check connections between D1870
Yes
Check if voltage of 17 pin pin 17 and BA5954 pin 4.
2. Check D1870 and peripheral
of D101 is normal.
components.
No
Check if data signal of No1. Check connections between CPU cortrol
bus, data bus and D1870.
18,19,30,31,36 43 pin
2. Check CPU and peripheral components.
of D105 is normal.
Yes
Normal
17 |