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Sony SPORTS PACK SPK-HCD Service Manual
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— 2 —SPK-HCDTABLE OF CONTENTSSAFETY-RELATED COMPONENT WARNING!!COMPONENTS IDENTIFIED BY MARK 0 OR DOTTED LINE WITHMARK 0 ON THE SCHEMATIC DIAGRAMS AND IN THE PARTSLIST ARE CRITICAL TO SAFE OPERATION. REPLACE THESECOMPONENTS WITH SONY PARTS WHOSE PART NUMBERSAPPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTSPUBLISHED BY SONY.ATTENTION AU COMPOSANT AYANT RAPPORTÀ LA SÉCURITÉ!LES COMPOSANTS IDENTIFÉS PAR UNE MARQUE 0 SUR LESDIAGRAMMES SCHÉMATIQUES ET LA LISTE DES PIÈCES SONTCRITIQUES POUR LA SÉCURITÉ DE FONCTIONNEMENT. NEREMPLACER CES COMPOSANTS QUE PAR DES PIÈSES SONYDONT LES NUMÉROS SONT DONNÉS DANS CE MANUEL OUDANS LES SUPPÉMENTS PUBLIÉS PAR SONY.1. Check the area of your repair for unsoldered or poorly-solderedconnections. Check the entire board surface for solder splashesand bridges.2. Check the interboard wiring to ensure that no wires are"pinched" or contact high-wattage resistors.3. Look for unauthorized replacement parts, particularlytransistors, that were installed during a previous repair. Pointthem out to the customer and recommend their replacement.4. Look for parts which, through functioning, show obvious signsof deterioration. Point them out to the customer andrecommend their replacement.5. Check the B+ voltage to see it is at the values specified.6. Flexible Circuit Board Repairing• Keep the temperature of the soldering iron around 270˚Cduring repairing.• Do not touch the soldering iron on the same conductor of thecircuit board (within 3 times).• Be careful not to apply force on the conductor when solderingor unsoldering.SAFETY CHECK-OUTAfter correcting the original service problem, perform the followingsafety checks before releasing the set to the customer.REPAIR PARTS LISTEXPLODED VIEWS1. OVERALL SECTION ·························································· 32. FRONT CASE SECTION ···················································· 43. SUPPLIED ACCESSORIES ················································ 5 |
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