Teac DV-3000 - Page 16

No laser
Normal
Is LD pin of XS100(18, 30)
4.5V?
Does voltage at D103
pin of 52, 81?
Does normal voltage
at D105 pin 44?
1. Check connection between pickup
and main board.
2. Replace pickup.
1. Check connection between D1890
of pin LD and XS100.
2. Check D1890 and peripheral
components.
1. Check connection between CPU
pin 44 and D1890 pin4.
2. Check CPU and peripheral
components.
Yes
Yes
No
No
No
Yes
H Laser abnormal
16