SAFETY CHECK-OUTLaser component in this product is capable of emitting radiation
After correcting the original service problem, perform the fol-exceding the limit for Class 1.
lowing safety check before releasing the set to the customer:
Check the antenna terminals, metal trim, Ometallized� knobs, screws,
and all other exposed metal parts for AC leakage.This appliance is classified as a
Check leakage as described below.CLASS 1 LASER product.
The CLASS 1 LASER PROD-
LEAKAGE TESTUCT MARKING is located on the
rear exterior.
The AC leakage from any exposed metal part to earth ground
and from all exposed metal parts to any exposed metal part having a
return to chassis, must not exceed 0.5 mA (500 microampers.). Leak-This caution label
age current can be measured by any one of three methods.is located inside
1. A commercial leakage tester, such as the Simpson 229 or RCAthe unit.
WT-540A. Follow the manufacturersO instructions to use these
instruments.
2. A battery-operated AC milliammeter. The Data Precision 245
digital multimeter is suitable for this job.
3. Measuring the voltage drop across a resistor by means of a VOM
or battery-operated AC voltmeter. The Olimit� indication is 0.75
V, so analog meters must have an accurate low-voltage scale.
CAUTION
The Simpson 250 and Sanwa SH-63Trd are examples of a pas-
sive VOM that is suitable. Nearly all battery operated digitalUse of controls or adjustments or performance of
multimeters that have a 2 V AC range are suitable. (See Fig. procedures other than those specifA)ied herein may
result in hazardous radiation exposure.
To Exposed Metal
Parts on Set
SAFETY-RELATED COMPONENT WARNING!!
COMPONENTS IDENTIFIED BY MARK ! OR DOTTED
LINE WITH MARK ! ON THE SCHEMATIC DIAGRAMS
AND IN THE PARTS LIST ARE CRITICAL TO SAFE
OPERATION. REPLACE THESE COMPONENTS WITH
ACSONY PARTS WHOSE PART NUMBERS APPEAR AS
0.15 ?F1.5 kWvoltmeterSHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUB-
(0.75 V)LISHED BY SONY.
ATTENTION AU COMPOSANT AYANT RAPPORT
� LA S?CURIT?!
LES COMPOSANTS IDENTIFI?S PAR UNE MARQUE !
Earth Ground
SUR LES DIAGRAMMES SCH?MATIQUES ET LA LISTE
Fig. A. Using an AC voltmeter to check AC leakaDES PIéCES SONT CRITIQge.UES POUR LA S?CURIT?
DE FONCTIONNEMENT. NE REMPLACER CES COM-
POSANTS QUE PAR DES PIéCES SONY DONT LES
NUM?ROS SONT DONN?S DANS CE MANUEL OU
DANS LES SUPPL?MENTS PUBLI?S PAR SONY.
� 3 � |
ACEC
SONY
