Yamaha CDX-97 Service Manual download pdf (Page 2)

CDX-497/CDX-397

■ TO SERVICE PERSONNEL

WARNING: Laser Safety

This product contains a laser beam component. This component may emit invisible, as well as visible radiation,

which may cause eye damage. To protect your eyes and skin from laser radiation, the following precautions must be

used during servicing of the unit.

1) When testing and/or repairing any component within the product, keep your eyes and skin more than 30 cm away from

the laser pick-up unit at all times. Do not stare at the laser beam at any time.

2) Do not attempt to readjust, disassemble or repair the laser pick-up, unless noted elsewhere in this manual.

3) CAUTION: Use of controls, adjustments or performance of procedures other than those specified herein may result in

hazardous radiation exposure.

WARNING: CHEMICAL CONTENT NOTICE!

The solder used in the production of this product contains LEAD. In addition, other electrical/electronic and/or plastic

(where applicable) components may also contain traces of chemicals found by the California Health and Welfare

Agency (and possibly other entities) to cause cancer and/or birth defects or other reproductive harm.

DO NOT PLACE SOLDER, ELECTRICAL/ELECTRONIC OR PLASTIC COMPONENTS IN YOUR MOUTH FOR ANY

REASON WHATSOEVER!

Avoid prolonged, unprotected contact between solder and your skin! When soldering, do not inhale solder fumes or

expose eyes to solder/flux vapor!

If you come in contact with solder or components located inside the enclosure of this product, wash your hands

before handling food.

本機に搭載されているすべての基板は無鉛ハンダでハンダ付けさ

れています。

無鉛ハンダにはいくつかの種類がありますが、修理時には下記の

ような無鉛ハンダの使用を推奨します。

・Sn+Ag+Cu（錫+銀+銅）

・Sn+Cu（錫+銅）

・Sn+Zn+Bi（錫+亜鉛+ビスマス）

注意：

無鉛ハンダの融点温度は通常の鉛入りハンダに比べ30∼40

℃程度高くなっていますので、それぞれのハンダに合ったハン

ダごてをご使用ください。

All of the P.C.B.s installed in this unit are soldered using

the lead free solder.

Among some types of lead free solder currently available,

it is recommended to use one of the following types for the

repair work.

• Sn + Ag + Cu (tin + silver + copper)

• Sn + Cu (tin + copper)

• Sn + Zn + Bi (tin + zinc + bismuth)

Caution:

As the melting point temperature of the lead free solder is

about 30°C to 40°C (50°F to 70°F) higher than that of the lead

solder, be sure to use a soldering iron suitable to each solder.

About Lead Free Solder / 無鉛ハンダについて

Laser Emitting conditions:

1) When the top cover is removed, and the “STANDBY/ON” SW is turned to the “ON” position, the laser component will emit

a beam for several seconds to detect if a disc is present. During this time (5-10 sec.) the laser may radiate through the

lens of the laser pick-up unit. Do not attempt any servicing during this period!

If no disc is detected, the laser will stop emitting the beam. When a disc is set, you will not be exposed to any laser

emissions.

WALL

OUTLET

EQUIPMENT

UNDER TEST

AC LEAKAGE

TESTER OR

EQUIVALENT

INSULATING

TABLE

1. Critical Components Information

Components having special characteristics are marked s

and must be replaced with parts having specifications equal

to those originally installed.

2. Leakage Current Measurement (For 120V Models Only)

When service has been completed, it is imperative to verify

that all exposed conductive surfaces are properly insulated

from supply circuits.

● Meter impedance should be equivalent to 1500 ohms

shunted by 0.15µF.

● Leakage current must not exceed 0.5mA.

● Be sure to test for leakage with the AC plug in both polarities.

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Yamaha CDX-97 Service Manual Page 2

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