Panasonic TX-15LV1, Service Manual

Page: 8 / 141

together of your clothes fabric or the lifting of your foot from a
carpeted floor can generate static electricity (ESD) sufficient
todamage an ES device).
3. Precaution of Laser Diode
Caution
This unit utilizes a class I laser. Invisible laser radiation is emitted
from the optical pickup lens when the unit is turned on:
1. Do not look directly into the pickup lens.
2. Do not use optical instruments to look at the pickup lens.
3. Do not adjust the preset variable resistor on the optical pickup.
4. Do not disassemble the optical pickup unit.
5. If the optical pickup is replaced, use the manufactures specified
replacement pickup only.
6. Use of control or adjustment or performance of procedures other
than those specified herin may result in hazardous radiation
exposure.
4. Handling Precautions For Traverse Deck
The laser diode in the optical pickup may break down due to potential difference caused by
static electricity of clothes or human body.
So be careful of electrostatic break down during repair of the optical pickup.
4.1. Handling of optical pickup
1. Do not subject the optical pickup to static electricity as it is
extremely sensitive to electrical shock.
2. To prevent the breakdown of the laser diode, an antistatic
shorting pin is inserted into the flexible board (FPC Board). /
When removing or connecting the short pin, finish the job in as
short times as possible.
3. Be careful not to apply excessive stress to the flexible board (FPC
Board).