2. Work table grounding
- Put a conductive material (sheet) or steel sheet on the area
where the traverse deck (optical pick-up) is placed, and
ground the sheet.(Fig. 12-2)
(Fig. 12-2)
Caution:
The static electricity of your clothes will not be grounded through
the wrist strap. / So take care not to let your clothes touch the
traverse deck (optical pick-up).
8. Type Illustration of IC’s, Transistors and Diods
9. Measurements and Adjustments
9.1. The state of set and the use apparatus
- Make the following adjustments after replacing parts as IC’s,
Transistors, Diodes, etc.
- Condition of the set.
1. Power switch: ON
2. Pitch control: Center position
3. Speed selector switch: 33-1/3 r/min
- Instruments to be used
- Tester
- Frequency counter
19
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