Samsung HT-DM150 Manual page 29
Dvd receiver
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Also See for HT-DM150:
- Manual de instrucciones (66 pages) ,
- Instruction manual (48 pages) ,
- User manual (27 pages)
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4. Disc Presence/Absense Judgment
Disc Presence Judgment
Turn On Laser
Does lens move
with UP/DOWN
full stroke in focus
Does lens move
with UP/DOWN
full stroke in focus
Disc is presence
9-12
4
N
direction?
Y
No signal
direction?
Normal
Is focus search
voltage developed
at pin 11 of DU3?
N
No Disc
N
Check connection between RU1 and RCN1.
Check BUS line RU1 and DU3.
Check RU1
Check
Y
peripheral
circuit of MU9
Check BUS
line between
DU3 and DU5
Y
OK
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