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Modelo - Chassis
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | SLV900HF | SYSTEM LOCK UP - READJUST TRIMMER C101 | After unit being on for 30 mins found remote would not workunplugged to see if unit would reset. Upon plugging back in stereo timer,record LEDs on front were lit but no function wold work. -SOLUTION : found clock signal on pins 1-2 on IC101 on MF172 b | ||
| Sony | SLV771HF | WON'T LOAD PROPERLY - RESOLD S001 (CASSETTE UP/DWN SWITCH) | The tape does not load properly. Cassette moves in andout. The S001 cassette up/down switch is soldered tilted at the factoryand the pin swithc ref 303 cannot activate it because it gets stuck. | ||
| Sony | SLV757HF | NO SOUND AT EE OR PLAYBACK - RESOLDER COLLECTOR OF Q201 | No sound at EE or playback. | ||
| Sony | SLV750HF | MECH LOCKS UP | Cannot eject tape. | ||
| Sony | SLV720HF | TAPE STUCK NO EJECT - REALIGN MECH, ADD .047U (CASS IN SW) | Tape stuck, won't eject | ||
| Sony | SLV720HF | WILL NOT ERASE TAPES - RESOLDER JOINT BTWN R332 & Q303 BASE | the unit will display vertical rainbow band typical for tapenot being erased. Found open circuit trace between R332 and Q303 base.this is not the first case of bad feed through connections for this model. | ||
| Sony | SLV700HF | INTERMITTENT TUNER VIDEO - REPLACE IC651, RESOLD PIN30 IC501 | Tapping anywhere on the unit caused video from tuner toblank, missing from pin 6. No voltages changed w/tapping. Whileresoldering pin 2 I noticed that video came back but did not stay.Followed A1, L2, to pin 30 of IC501. | ||
| Sony | SLV640HF | WON'T PLAY - REPAIR THE PLAY/STOP SWICH CONTACTS | Won't play. the contacts for play and stop were bent on theknob. | ||
| Sony | SLV620HF | DISPLAYS L04 ERROR CODE - REPLACE IC401 & PS401 | Push tape in will not eject, also reads L04 abnormal camrotation. | ||
| Sony | SLV620HF | UNIT DEAD OR INTERMITTENT FUNCTIONS - REPLACE C103 | This is the second unit received in two weeks with C103blown, pieces of plastic insulation found inside unit. Did you have anymore reports on this? | ||
| Sony | SLV595HF | INCORRECT PART NUMBER - CORRECT P/N IS 1-249-397-11 | In supplement 1 page 8 resistor R110 p/n is 1-249-497-11. | ||
| Sony | SLV595HF | INTERMITTENTLY, UNIT WOULD UNLOAD AND TURN OFF DURING PLAY | During play or record, unit would intermittently stop,unthread tape, and shut off. Since it looked like a power down reset,I tried a new power supply with no effect. Tried heating and coolingSYSCON IC, and was able to cause the problem to come and go. | ||
| Sony | SLV575UC | LOOKS LIKE CAP SPEED PROBLEM - REPLCD ARM ITEM # 279 | Looks like cap speed is off or not locking. Also, foundexcessive forward torque. | ||
| Sony | SLHF2100 | NO HI FI COLOR LINES IN PLAYBACK VIDEO | No hi fi audio, lines of chroma in playback video. Found PBAchin and PBB chin from RP35 board to AF55 board to be superimposed onthe AF sw pulse. | ||
| Sony | EVC3 | NOISE ON 1/4 BOTTOM OF PICTURE - REPLCD RP69(HEAD AMP) BOARD | Noise on 1/4 bottom of screen. RF envelope shows noise on topof the normal signal especially at the exit portion of each head reading. Found corrosion on RP69 board by IC2, most likely caused by C083, C043. |