Teac DV-4000, Руководство по обслуживанию

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