MECHANISM TROUBLESHOOTING GUIDE
4-23
Auto REW doesn't work.
Is the output of END sensor of
supply side "H"?
“H”: more than 3.5V
“L”: less than 0.7V~1V
Is the voltage across IR LED
between 0.8~1.5V?
Replace the IR LED.
Is the Vcc. voltage of End
sensor 5V?
Check the syscon power.
Replace the End sensor.
Check the syscon circuit.
NO
YES
YES
YES
YES
NO
NO
1.Deck Mechanism
A.
NO
NO
NO
No F/R modes.
Is the present mode
F/R Mode?
Is the mode SW assembled
correctly? (refer to page 4-13.)
Is the normal voltage supplied to
the Capstan Motor Vcc1, Vcc2?
Does terminal voltage(Vctl) of
Capstan Motor supply side more
than 4V?
Check the servo, power
circuits.
Replace the Capstan Motor.
Does the Capstan Motor rotate?
Do the T/Up, Supply Reel
rotate?
Check the syscon circuit.
YES
YES
YES
YES
YES
YES
B.
Содержание SD-33VB
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Страница 90: ...3 74 2 Audio related Signal ASDAT3 IC501 PIN 157 ABCK IC501 PIN 148 ALRCK IC501 PIN 149 ASDATA3 FIG 14 2 ...
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Страница 123: ...EXPLODED VIEW 1 Deck Mechanism Exploded View 5 1 CONTENTS SECTION 5 MECHANISM OF DVD PART ...
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Страница 190: ...3 81 3 82 2 RF DSP SERVO CIRCUIT DIAGRAM CD DVD LD will not on COMBI SCART MTK 03 3 25 SR17445A ...
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Страница 197: ...SERVICE MANUAL DVD VIDEO PLAYER VIDEO CASSETTE RECORDER FILE NO 810 200311 MARCH 2003 SD 33VB SD 33VE SD 33VL PAL Hi Fi ...