SANYO MCDZX500F
Instrukcja Serwisowa

TAPE DECK ADJUSTMENTS

1. HEAD REPLACEMENT After replacement, demagnetize. the heads by using a degausser. Be sure to clean the heads before attempting to make any adjustments. All wiring should be returned to the original position after work is completed.

2. HEAD AZIMUTH ADJUSTMENT (1) Load the test tape(VTT-703, etc., 10 KHZ) for azimuth adjustment. (2) Press the PLAY button. (3) Use a cross-tip screwdriver to turn the screw for azimuth adjustment so thae the left and right output are maximized (4) Press the STOP button. (5) After completion of the adjustment, use thread lock(TB-1401B) to secure the azimuth-adjustment screw.
PLAY

3 MOTOR REPLACEMENT

4 AC BIAS FREQUENCY ADJUSTMENTS (1) connect counter to T201(BS); (2) R/P swith in recording state;

HEAD AZIMUTH ADJUSTMENT TEST TAPE

(Reference figure)

(3)Adjusting T801 use a plastic screw,AC bias frequency: 80KHZ..

5 MOTOR SPEED ADJUSTMENT (1) Insert the test tape(MTT-111N, etc., 3,000 HZ) (2) Press the PLAY button. (3) Use a flat-tip screwdriver to turn the SVR(located inside the rear of the motor) to adjust SVR so that the frequency counter become 3,000 HZ

MOTOR SPEED ADJUSTMENT

(Reference figure) 6. CHECKING THE MECHANISM TORQUSE AND TENSION Clean the head, capstan and pinch roller making any measurement.
Measurement Cassette ofr measurement PLAY F.FWD REW Take-up torqe PLAY:TW-211A F.FWD/REW:TW-2231 30-60 gr.cm 55-120 gr.cm 55-120 gr.cm Back tension PLAY: TW-2111A 2.0 - 4.5 gr. cm ----------Tape tension Drive-power cassette TW-2412 60 gr or more -----------

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