LG / GOLDSTAR D-33
Manual de Servicio

MECHANISM TROUBLESHOOTING GUIDE
1.Deck Mechanism
A.
Auto REW doesn't work.

YES
Is the output of END sensor of supply side "H"? �H�: more than 3.5V �L�: less than 0.7V~1V

YES

NO
Is the Vcc. voltage of End sensor 5V?

NO

Check the syscon power.

YES
Replace End sensor.

Is the voltage across IR LED between 0.8~1.5V?

NO

Replace LED.

NO
Check syscon circuit.

B.
No F/R modes.

YES
Is the present mode, F/R Mode?

NO

Is the mode SW assembled correctly (refer to Pages 4-14.)

YES NO
Does the Capstan Motor rotate? Is the normal voltage supplied to the Capstan Motor Vcc1, Vcc2.?

YES
Do the T/Up, Supply Reel rotate?

YES
Does terminal voltage(Vctl) of Capstan Motor supply side more than 4V?

NO

Check Servo, Power Circuits.

YES
Check syscon circuit.

YES
Replace the Capstan Motor.

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