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TV Repair Tips

PIONEER

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Size Model Chassis Symptom Problem Description Fix
64PRO710HD VideoBlue CRT flashingResolder connections around E3 on power board
64SD643HD5 PowerShuts down after a few minutesIC101 (MIP0253SP), IC102 (ON3171-S) on power board
 PRO-177 Powerdead, relay clicks but switching supply doesn't runResolder optoisolator IC102
 PRO-177 PowerDead, but relay clicksResolder D105
 PRO-177 PowerImmediate shutdownFU104 fuse blown, R2602 burns up, R2612 heats us. Replaced the convergence board.
 PRO-197 Powerdead, relay clicks but switching supply doesn't runResolder optoisolator IC102
 PRO-197 PowerImmediate shutdownFU104 fuse blown, R2602 burns up, R2612 heats us. Replaced the convergence board.
 PRO610HD PowerIntermittent shutdownResolder E12 (on PS board) and around each regulator
 PRO720HD VideoPic goes out intermittentlyresolder all transformers, regulators, sockets and plugs
 PRO940HD PowerTrap switch activated when back was removedUse Pioneer remote to access service mode. Press display 3 seconds, the left, up, left, right, power. Go to the intialize menu and press display for 5 seconds.
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Warning

: Don't kill yourself.  If you do, don't blame us...  We totally warned you.  These tips are intended for qualified service technicians that know what they're doing.  Unqualified persons should never service their own equipment.  Televisions contain very high voltage that could kill you.