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4-8
Samsung Electronics
Troubleshooting
4-1-3 CD/DVD PACK
TV display LOGO ok?
Check JCW1 Pin 10
(MRST)
Disc can not play
Press “Eject” button,
if Disc can Eject?
“NO DISC” after
Loading a long time?
Check reset voltage
at Pin 52 of MIC1
Check MECHA 9P
Flat Cable
Check Pick up Lens
and Pick up Flat Cable
1
Check 27MHz
crystal of MX1
Check voltage JCW2
(12V, GND, -12V, GND,
5V, 3.3V)
Check Servo Parts
2
Check Micom
communication line
JCW1 Pin 6, 7, 8, 9
Yes
No
Yes
No
Yes
No
No
No
Yes
Yes
No
Check MIC1 ZR36966
Refer to wave pattern
image of Fig. 4-4.
Refer to wave pattern
image of Fig. 4-5.
Содержание MM-G25
Страница 10: ...2 6 Samsung Electronics MEMO ...
Страница 34: ...3 6 Samsung Electronics MEMO ...
Страница 42: ...7 8 Samsung Electronics MEMO ...
Страница 45: ...Samsung Electronics 6 3 PCB Diagram 2 1 3 6 2 FRONT PCB Top BCW1 BCW2 BCW3 ...
Страница 47: ...Samsung Electronics 6 5 PCB Diagram 6 3 FRONT PCB Bottom IC1 BCW1 FVFD1 BCW3 BCW2 ...
Страница 48: ...6 6 Samsung Electronics PCB Diagram 6 4 TAPE PCB Top 1 3 2 JCON11 CON1 JCON10 ...
Страница 50: ...6 8 Samsung Electronics PCB Diagram 6 5 TAPE PCB Bottom JCON11 IC3 CON1 JCON10 ...
Страница 53: ...Samsung Electronics 6 11 PCB Diagram 6 6 2 Test Point Wave Form TP3 ...
Страница 55: ...Samsung Electronics 6 13 PCB Diagram 6 7 1 Test Point Wave Form TP1 TP2 TP3 ...
Страница 58: ...6 16 Samsung Electronics PCB Diagram 6 8 2 Test Point Wave Form TP4 TP5 ...
Страница 59: ...Samsung Electronics 6 17 PCB Diagram 6 9 MPEG PCB Bottom JCW1 RFCON1 CN2 ...
Страница 60: ...6 18 Samsung Electronics MEMO ...
Страница 66: ...4 6 Samsung Electronics Troubleshooting MAIN page 7 5 FCW4 AIC1 MAIN PCB Top page 6 9 Fig 4 3 1 1 1 1 ...
Страница 67: ...Samsung Electronics 4 7 Troubleshooting MAIN page 7 5 FIC1 FIC2 MAIN PCB Top page 6 9 Fig 4 3 2 2 2 2 ...