3-18
Check the disc.
If OK
YES
(If OK)
YES
(If OK)
Refer to Servo part
Check MPEG_CLK Signal
of MPEG part
Check MPEG
(IC500)
Replace B/D
PICTURE ABNORMAL
Check Disc
YES
(If OK)
YES
(If OK)
Refer to Servo part
Replace B/D
DISC ERROR
Check
SW501 switch
Check IC500 pin49
YES
NO
YES
YES
(If OK)
YES
Refer to SERVO part.
Check the connection of MD.
OPEN/CLOSE ABNORMAL
F. Picture abnormal
H. Open/Close abnormal
G. Disc Error
Summary of Contents for DVP7772
Page 28: ...3 7 3 8 LCD CIRCUIT DIAGRAM LCD1 CIRCUIT DIAGRAM ...
Page 29: ...3 9 3 10 LCD2 CIRCUIT DIAGRAM ...
Page 30: ...3 11 3 12 LCD3 CIRCUIT DIAGRAM SR14121A ...
Page 32: ...3 14 3 15 LCD P C BOARD LOCATION GUIDE LOCATION GUIDE ...
Page 33: ......
Page 50: ...3 60 3 61 PRINTED CIRCUIT DIAGRAMS 1 MAIN P C BOARD LOCATION GUIDE LOCATION GUIDE ...
Page 51: ...2 KEY P C BOARD LOCATION GUIDE LOCATION GUIDE 3 62 3 63 ...
