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Troubleshooting
4-1-3 CD/DVD PACK
1
No
Check 27MHz
crystal of MX1
Yes
Check voltage JCW2
(12V, GND, -12V, GND,
5V, 3.3V)
Check MIC1 ZR36966
4-8
All manuals and user guides at all-guides.com
Disc can not play
No
TV display LOGO ok?
Refer to wave pattern
image of Fig. 4-4.
Yes
Press "Eject" button,
if Disc can Eject?
Yes
"NO DISC" after
Loading a long time?
Yes
Check Servo Parts
No
Check reset voltage
at Pin 52 of MIC1
Yes
Check JCW1 Pin 10
(MRST)
No
Check MECHA 9P
Flat Cable
No
Check Pick up Lens
and Pick up Flat Cable
Check Micom
communication line
JCW1 Pin 6, 7, 8, 9
Refer to wave pattern
image of Fig. 4-5.
Samsung Electronics
No
2
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