Cd Adjustment - Casio PZ-3100 Service Manual

Precautions
To prevent damage caused by static electricity, the following procedures for grounding is requir or repairing
the unit.
Pickup
1. Grounding for the human body
Be sure to put on a wrist-strap for grounding (with impedance lower than 10
grounded. The strap works to drain away the static electricity build-up on the human body.
2. Grounding for the work table
Be sure to lay on the table a conductive sheet (with impedance lower than 10
copper which is grounded.
3. As static electricity build-up on clothes is not drainded away, be careful not to let your clothes touch the
unit.
4. The short-pad on the pick-up PCB of a spare part is short-circuited for protection during shipment. To
open the short circuit, remove the soldering quickly with a soldering iron whose insulation resistance is
larger than 10MΩ after connection to a suitable APC circuit.
Equipment Required
Multi Meter
Oscilloscope
Compact Disc
Dummy Load 10 kΩ

CD ADJUSTMENT

[Note] Remove the connection after installed.
Pickup
Shorting tab
Desolder here
1MΩ
2
1. Wrist-Strap
for grounding
1MΩ
2. Conductive Sheet
Ω) whose other end is
6
Ω) such as a sheet of
6