Adjustments; Cassette Mechanism - Casio CD-350S Service Manual

CASSETTE MECHANISM

General Remarks
• Before attempting to adjust the mechanism, wipe clean all tape-contacting surfaces (pinch roller, REC/PB
head, erase head, and capstan), as well as the contact surfaces of the driving parts (motor pulley, flywheel,
pulley, belt, and clutch assembly), with a piece of soft cloth moistened with denatured alcohol. Grease stains
may cause trouble.
• Never use a magnetized screwdriver for head adjustment.
Equipment Required
• Oscilloscope
• Frequency counter
• Screwdriver (Plastic type)
• Test tapes MTT-113C (TEAAC) or TCC-111N (TEAC)
Head Azimuth Adjustment (Figures 1 and 2)
Step
1 Play the test tape 8 KHz
Position (MTT-113C)
Note: Mode Switch is X--Y position.

ADJUSTMENTS

Setting
Set
Headphone jack
Figure 1
Adjust Screw
Figure 2
Adjust
Azimuth screw Obtain the maximum amplitude
(Figure 2) (A: Maximum) (B: Minimum)
P/R Head
— 4 —
Result
B
A