Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
---|---|---|---|---|---|
Sony | KV32XBR10 | WILL NOT TURN ON, REPLACED C-1701, C-1702, L-1701 | Set would not turn on, pin 27 on CPU (reset) was low. Shouldhave been 5 volts. I discovered that when pin 15 on IC-1701 wasdesoldered, everything except the remote control works. I discovered thatwhen pin 6 or pin 7 of IC-1701 were touched with the sc | ||
Sony | CDX7540 | CD STOPS IN THE MIDDLE TRACKS | Many CDX-R77s, CDX-R79s, CDX-7540s and CDX-7580s have CD stuckin MD during 3 to 5 tracks. The problem is when FOP moved to the middleof the guide shaft the FOP's flexible PCB touch Gear (B) Lock (Ref. No.404). Then unit shuts off. | ||
Sony | KV2670R | NO PICTURE - NO SOUND, D-102 5V REG SHORTED | No picture and no sound. Sleep light only. CPU had no dataoutput. The pulse from the vertical was there but its amplitude wasreduced by about 50 percent. | ||
Sony | CCDTR4 | PLASTIC CODED COVER ON THE CABINET (R) | Rubber covering cabinet (R) and also top door cover is peelingoff especially around battery eject button and door open switch. | ||
Sony | CCDF55 | NO VIDEO IN VIEWFINDER | Broken CRT replaced and it lights up but no video (brightscreen only). | ||
Sony | PSLX57 | NO OPERATION OR INTERMITTENT OPERATION | Unit will not turn platter or move arm and function LEDs willnot light. Check of PS-409 and PS-410 IC links will show one or bothopen. Q-401 and Q-402 may have an open emitter. This is caused by one ormore of the 6.3 volt 100mf filter caps on the + an | ||
Sony | PSLX520 | NO OPERATION OR INTERMITTENT OPERATION | Unit will not turn platter or move arm and function LEDs willnot light. Check of PS-409 and PS-410 IC links will show one or bothopen. Q-401 and Q-402 may have an open emitter. This is caused by one ormore of the 6.3 volt 100mf filter caps on the + an | ||
Sony | KV27EXR10 | NO AUDIO, CUSTOMER SELECTED SPEAKER SWITCH OPEN MODE | Servicer called me and said the TV had no sound. He foundQ-432 to be turned on which opened the speaker switch. D-421 was forwardbiased by way of SP switch signal from system control. I found thatsomeone has inadvertantly programmed the remote to mute t | ||
Sony | CDPC100 | UNIT WILL NOT EJECT | Unit will not sense that elevator is at height to play disc,and the unit jams. Put magazine in unit accepts disc and elevator goes tolowest (play) position and jams. | ||
Sony | KV25DXR | NO VERTICAL DEFLECTION | No vertical deflection. Caused by Q-2030 failing to pullreset line to its normal high. Note: Schematic error page 55 (J-7).D-2056 should be connected at the junction of R-2198 and R-2199. It willnot operate as drawn. | ||
Sony | SLV575UC | SHUTDOWN WHEN THE MF93 BOARD IS REPLACED. | Costa Mesa is experiencing difficulty when the MM-93 boardis replaced. After replacement, you plug in the unit the clock comes on,you turn power on everything comes on and then within 3 seconds the unitwill shut off. The clock remains on. They have tw | ||
Sony | KV2782ME7 | VERTICAL ROLLING, REPLACE C-1001 AND REROUTING OF CABLE | The vertical rolling was affecting EXT video in and internallygenerated video. Problem 1: The EXT video rolling was caused by theshielded cable carrying comp. video linking connectors A-10 and D3 to thesync sep. routed too close to the flyback. Problem | ||
Sony | KV27TW70 | CLOCK DO NOT RUN, RESOLDER C-120 | Internal clock would set, but would not run. | ||
Sony | D160 | DISC WON'T SPIN | Disc won't spin. Spindle motor only had 1.2 Ohms ofresistance. Normally, the spindle motor has about 12 Ohms of resistance. | ||
Sony | TAM30 | OGM CUTS OFF CALLER | The service bulletin #32 which states to change cap C7 from a2.2uF to a 10uF improves the problem of OGM cut-off, however, it doesnot totally eliminate it. |