Cd Adjustment - Casio CD-311S Service Manual

Pre-Adjustment Procedures
Remove the bottom chassis assembly. (Refer pages 1, 2)
Use the plastic screwdriver.
Equipment Required
Syncroscope (with probe 10:1)
Screwdriver (Plastic type)
The Test Disc SONY YEDS-18(Type 4)ABEX TCD784
E-F Balance Adjustment (Figures 11 and 13)
Step Connect
1
See
Figure 11
2
RF Adjustment (Figures 12 and 13)
Step Connect
1
See
Figure 12
CD ADJUSTMENTS
Setting
Play the test disc.
Set the PAUSE
mode.
Syncroscope
GND
Figure 11
Setting
Play the test disc.
Syncroscope
GND
Figure 12
Adjust
VR501
CD PCB
R572
(TSO)
R571 Vref
Adjust
VR502 Adjust VR502 for the amplitude of the waveform
at maximum.
0V
Measuring on syncroscope.
CD PCB
R570 (RFO)
R571 Vref
9
Result
A
0V
B
(Vref)
A=B
Result
>1.0V p-p