Mechanism troubleshooting guide, Yes no no no no no – LG TL-AT130M User Manual

Page 62

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4-25

MECHANISM TROUBLESHOOTING GUIDE

In PB mode Tape Presence

not sensed.

Is the Pinch Roller attached

to the Capstan Motor Shaft?

Check Alignment positions

(page 4-13).

Does the T/Up Reel turn?

Replace the Belt.

Is the Belt ok?

Does the Drum Motor turn?

Are there DPG, DFG pulses?

Are the T/Up and Supply Reel

Sensors ok?

Check the Syscon, Circuit.

Check the Syscon, Circuit.

Check the Servo, Syscon.

Does the Capstan Motor turn?

Is the terminal voltage(vctl) of the
Drum Motor more than 4V?

Replace the

Drum Motor.

Is the Vcc voltage of the Drum

Motor normal?

Check the Clutch and Idler
Assembly.

YES

YES

YES

YES

YES

YES

YES

YES

NO

NO

NO

NO

NO

Is the terminal voltage(vctl) of
Capstan Motor supplied more
than 4V?

Replace the Capstan Motor.

Is the voltage supplied to the
Capstan Motor Vcc1,Vcc2 each?

YES

YES

YES

Check the Servo, Power.

NO

NO

NO

E.

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