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SERVICE MANUAL E Model
j Photo: SLV-GA77K
S MECHANISM RMT-V254
Refer to the SERVICE MANUAL of VHS
MECHANICAL ADJUSTMENT for
MECHANICAL ADJUSTMENTS. (9-921-647-11)
VIDEO CASSETTE PLAYER
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 SONY PARTS WHOSE PART NUMBERS
APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS
PUBLISHED BY SONY.
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-soldered 4. Look for parts which, through functioning, show obvious signs
connections. Check the entire board surface for solder splashes of deterioration. Point them out to the customer and
and bridges. recommend their replacement.
2. Check the interboard wiring to ensure that no wires are 5. Check the B+ voltage to see it is at the values specified.
"pinched" or contact high-wattage resistors. 6. Flexible Circuit Board Repairing
3. Look for unauthorized replacement parts, particularly
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