SAFETY-RELATED COMPONENT WARNING!!ATTENTION AU COMPOSANT AYANT RAPPORT
� LA S?CURIT?!
COMPONENTS IDENTIFIED BY MARK 0 OR DOTTED
LINE WITH MARK 0 ON THE SCHEMATIC DIAGRAMSLES COMPOSANTS IDENTIFI?S PAR UNE MARQUE 0
AND IN THE PARTS LIST ARE CRITICAL TO SAFE SUR LES DIAGRAMMES SCH?MATIQUES ET LA LISTE
OPERATION. REPLACE THESE COMPONENTS WITHDES PIéCES SONT CRITIQUES POUR LA S?CURIT?
SONY PARTS WHOSE PART NUMBERS APPEAR ASDE FONCTIONNEMENT. NE REMPLACER CES COM-
SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUB-POSANTS QUE PAR DES PIéCES SONY DONT LES
LISHED BY SONY.NUM?ROS SONT DONN?S DANS CE MANUEL OU
DANS LES SUPPL?MENTS PUBLI?S PAR SONY.
SAFETY CHECK-OUT
After correcting the original service problem, perform the following
safety checks before releasing the set to the customer.
1. Check the area of your repair for unsoldered or poorly-sol-5. Check the B+ voltage to see it is at the values specified.
dered connections. Check the entire board surface for solder6. Flexible Circuit Board Repairing
splashes and bridges.
Y Keep the temperature of the soldering iron around 270 uC
2. Check the interboard wiring to ensure that no wires areduring repairing.
Opinched� or contact high-wattage resistors.
3. Look for unauthorized replacement parts, particularly transis-Y Do not touch the soldering iron on the same conductor of
the circuit board (within 3 times).
tors, that were installed during a previous repair. Point themY Be careful not to apply force on the conductor when sol-
out to the customer and recommend their replacement.dering or unsoldering.
4. Look for parts which, though functioning, show obvious signs
of deterioration. Point them out to the customer and recom-
mend their replacement.
� 2 � |
ACEC
