Grounding For Electrostatic Breakdown - Panasonic PV-D4733S-K Service Manual

4.1.2. USAGE SCREEN MODE
This function is displayed on the TV monitor:
- the total elapsed "Cylinder rotation" time (in hours)
- the total elapsed "DVD Play" time (in hours)
1. With power turned and no cassette, press CH DOWN button on VCR
and 7 key on remote together.
(The USAGE SCREEN will be displayed on the TV Monitor.)
Note:
1. After replacing the Cylinder Unit, press COUNTER RESET button on
remote in this mode. Only Total elapsed "Cylinder rotation" time (in
hours) will be cleared to 0.
2. To release from Usage Screen Mode, press any operation button on
VCR or insert a cassette tape in this mode. The VCR will return to
normal operation mode.
4.1.3. EEPROM IC (IC6005), MAIN C.B.A. REPLACEMENT NOTE
After replacing EEPROM IC (IC6005) or Main C.B.A., be sure to perform the "PG SHIFTER
ADJUSTMENT" in ELECTRICAL ADJUSTMENT procedures.

4.1.4. GROUNDING FOR ELECTROSTATIC BREAKDOWN

Prevention
1. Human body grounding
Use the antistatic wrist strap to discharge the static electricity from
your body.
2. Work table grounding
Put a conductive material (sheet) or steel sheet on the area where the
optical pickup is placed and ground the sheet.
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 optical pickup.
Fig. 2
Fig. 3
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