Sanyo MCD-UB575M Service Manual

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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(STT-113CN,etc., 8KHz) for azimuth
adjustment.
(2) Press the PLAY button.
(3) Use a cross-tip screwdriver to turn the screw for azimuth
adjustment so that 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.
3. MOTOR REPLACEMENT
4. AC BIAS FREQUENCY ADJUSTMENTS
(1) connect counter to T801(BS);
(2) R/P swith in recording state;
(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 .
6. CHECKING THE MECHANISM TORQUSE AND TENSION
REW 55 gf or more ------ ------
F.FWD 55 gf or more ------ ------
PLAY 30-70 gf.cm 1.5 - 5 gf.cm 70 gf or more
Cassette of
measurement
PLAY:TW-2111A
F.FWD/REW:TW-2231
PLAY:TW-2111A
Drive-power cassette
TW-2412
Measurement Take-up torqe Back tension Tape tension

Sanyo MCD-UB575M Specifications

CD Player

channels	2-Channel stereo
sampling frequency	44.1 kHz
laser output	0.6 mW
wave length	790 nm

Radio

FM reception frequency	87.5 - 108 MHz
AM reception frequency	526.5 - 1606.5 kHz

Cassette Deck

track system	4-track, 2-channel stereo
tape speed	4.75 cm/sec.
frequency response	80 - 12, 000 Hz

General Specifications

output power (DC)	2 W/ch
output power (AC)	1.5 W/ch
speakers	10 cm x 2, 8 ohms
dimensions	410 (W) x 167 (H) x 286 (D) mm
weight	Approx. 2.8 kg
power source (AC)	110 V, 60 Hz
power source (DC)	12V, 8 “D/HP2/R20” batteries