3-58
C
No
No
No
No
No
No
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
No
Laser turns on when
reading disc?
LD01 or LD02 output
properly?
Check the laser power circuit
on MT1336 and connecting to
power transistor. (Q204, Q205)
Check therel ated ci rcuit on
laser power transi stor
Check the related circuit
on MT1336 RFL signal .
Collector
voltage of power
transistor is OK?
( Q204, Q205)
Check cable connection between
transistor couput and pick-up head.
Laser off
Proper RFL signal
on MT1336?
Proper
DMSO signal on
MT1379
Check DMSO related
circuit on MT1379.
Check the spindle control
amp circuit of motor driver.
SP+ & SP- output
properly?
Check the cable connection
between spindle and main PCBA.
Check the RFL connection
between MT1336 and MT1379.
Put disc in?
Disc ID is correct?
Does spindle rotate?
D
Содержание DVD755VR
Страница 8: ...Directions for Use ...
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Страница 26: ...Personal Notes ...
Страница 49: ......
Страница 56: ...3 32 3 33 2 TU IF NICAM A2 CIRCUIT DIAGRAM EE MODE VIDEO TU MODE AUDIO COMBI SCART ...
Страница 59: ...3 38 3 39 5 SCART JACK CIRCUIT DIAGRAM OPTIONAL PART COMBI SCART ...
Страница 61: ...3 42 3 43 7 TIMER CIRCUIT DIAGRAM ...
Страница 65: ...3 50 3 51 PRINTED CIRCUIT DIAGRAMS 1 MAIN P C BOARD LOCATION GUIDE ...
Страница 66: ...3 52 3 53 2 SMPS P C BOARD LOCATION GUIDE 3 TIMER P C BOARD LOCATION GUIDE 4 KEY P C BOARD ...
Страница 67: ......
Страница 87: ...3 73 3 C IC604 PIN 26 FIG 13 3 14 AUDIO OUTPUT FROM AUDIO DAC 1 Audio L R FIG 14 1 JK601 PIN 4 5 ...
Страница 88: ...3 74 2 Audio related Signal ASDAT3 IC501 PIN 157 ABCK IC501 PIN 148 ALRCK IC501 PIN 149 ASDATA3 FIG 14 2 ...
Страница 93: ......
Страница 95: ...3 81 3 82 2 RF DSP SERVO CIRCUIT DIAGRAM CD DVD LD will not on COMBI SCART MTK 03 3 25 SR17445A ...
Страница 96: ...3 83 3 84 3 AUDIO CIRCUIT DIAGRAM COMBI SCART MTK 03 3 25 SR17447A ...
Страница 97: ...3 85 3 86 4 AV JACK CIRCUIT DIAGRAM COMBI SCART MTK 03 3 25 SR17446A ...
Страница 100: ...3 91 3 92 PRINTED CIRCUIT DIAGRAMS 1 MAIN P C BOARD LOCATION GUIDE ...
Страница 101: ......
Страница 133: ...MEMO ...
Страница 134: ...EXPLODED VIEW 1 Deck Mechanism Exploded View 5 1 CONTENTS SECTION 5 MECHANISM OF DVD PART ...