3-14
MAIN ELECTRICAL TROUBLESHOOTING GUIDE
2. MPEG CIRCUIT
Power is on
END
YES
YES
YES
OK
Check power & clock.
Does Logo appear
on the screen?
NO
Check CD/DVD DSP
output signal.
Check MPEG Decoder
input signal.
NO
OK
Does the
Video of the DVD Disc
play properly?
Is MPEG data
signal normal?
NO
YES
Check CD/DVD DSP
output signal.
Check MPEG Decoder
input signal.
NO
Is error
signal normal?
YES
OK
Check CD/DVD DSP
output signal.
Check MPEG Decoder
input signal.
NO
Does the
Video of the video CD
play properly?
Is MPEG data
signal normal?
NO
Check clock signal
NO
Does
the audio sound output
normally?
Does the audio
signal output from MPEG
decoder?
NO
Check clock signal
NO
Is Clock normal?
YES
YES
YES
YES
OPTION
If included VCD function.
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 ...
