3-13
OPEN/CLOSE abnormal
Check SW401, SW402 switch
Refer to SERVO part.
YES
YES
Check IC(U201) Pin 130
Check the connectin of MD.
YES
Refer to SERVO part.
YES
NO
MAIN ELECTRICAL TROUBLESHOOTING GUIDE
Picture abnormal
Check the disc.
YES
YES
Refer to SERVO part
YES
Check MPEG_CLK
Signal of MPEG part
YES
Check MPEG (IC U201)
YES
Replace B/D
F. PICTURE ABNORMAL
H. OPEN/CLOSE ABNORMAL
Disc error
Check Disc
YES
YES
Refer to SERVO part
YES
YES(If OK)
YES(If OK)
YES(If OK)
(If OK)
Replace B/D
G. DISC ERROR
Содержание DP270B
Страница 15: ...3 6 MEMO ...
Страница 17: ...3 9 3 10 PRINTED CIRCUIT DIAGRAM TOP VIEW BOTTOM VIEW MEMO ...
Страница 28: ...3 21 FIG 3 3 FIG 3 4 F U401 PIN8 F U401 PIN8 FE U201 PIN26 FE U201 PIN26 RFL U201 PIN21 RFL U201 PIN21 ...
Страница 33: ...3 26 WIRING CONNECTION DIAGRAMS 1 WIRING CONNECTION DIAGRAM 1 MAIN PCB LCD PCB MAIN PCB MAIN PCB ...
Страница 34: ...3 27 2 WIRING CONNECTION DIAGRAM 2 MAIN PCB KEY PCB MAIN PCB Key PCB ...
Страница 51: ...3 55 3 56 1 MAIN P C BOARD TOP VIEW PRINTED CIRCUIT DIAGRAMS ...
Страница 52: ...3 57 3 58 MAIN P C BOARD BOTTOM VIEW ...
Страница 53: ...3 59 3 60 2 KEY MENU P C BOARD TOP VIEW BOTTOM VIEW 3 KEY FRONT P C BOARD TOP VIEW BOTTOM VIEW ...
