3-57
Does tray open or close?
Does the pick-up
slide inner or outer
track?
Fig.1. SLED Driver waveform
Fig.2. Focus Driver waveform
Does
the voltage change
at PMD03 Pins7, 8 more than
2V on the basis of
3.8V?
Pressing
the open/close key
repeatedly, check the voltage of IC2M1
Pins14, 15 change
0V to 5V
Does
PMD03 Pin10 change
high to low?
Does
the pick-up lens move up
and down?
Check Focus Driver output.
(IC201 Pin88, IC2M1 Pins37, 38)
Check SLED Driver output.
IC201 Pin80 IC2M1 Pins28, 29.
IC201 Pin80 no output : IC201 is defective
IC2M1 Pins26, 27 no output : IC2M1 is defective
IC201 Pin88 no output : IC201 is defective
IC2M1 Pins37, 38 no output : IC2M1 is defective
DECK assembly is defective.
Slide the pick-up to
inner track.
Power on.
Check loading Part.
Push Pick-up to inner track to
the end by hand.
DECK assembly is defective.
(Limit sw)
check
µ
-COM Part.
Replace IC2M1.
No disc
B.
END
NO
NO
NO
NO
NO
NO
YES
YES
YES
YES
YES
YES
Содержание HR-XV2EK
Страница 3: ...SECTION 1 SUMMARY CONTENTS Safety Precautions SPECIFICATIONS 1 5 ...
Страница 77: ...3 32 3 33 2 TU IF NICAM A2 CIRCUIT DIAGRAM EE MODE VIDEO TU MODE AUDIO 03 4 7 SR14506A VJW602CP s ...
Страница 80: ...3 38 3 39 5 SCART JACK CIRCUIT DIAGRAM 03 4 7 SR14505B VJW602CP s ...
Страница 85: ...3 48 3 49 PRINTED CIRCUIT DIAGRAMS 1 MAIN P C BOARD LOCATION GUIDE ...
Страница 96: ... 02 12 04 R17149A COMBI NS DAP202K 3 74 3 75 6 JACK CIRCUIT DIAGRAM ...
Страница 101: ...LOCATION GUIDE 3 84 3 85 PRINTED CIRCUIT DIAGRAMS 1 MAIN P C BOARD TOP VIEW ...