| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| 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. | ||
| Sony | CCDTR5 | SWITCH BLOCK OFF STILL IN CAMERA MODE - Q621/VS-22 BD | unit came in with vtr/cam switch to off but still had e-e video.Tried swapping out switch block but that didn't fix the problem. I thenwent to the q603 and lifted the collector which shut down power. I put thepin back in then lifted the emitter -- s | ||
| Sony | TVP-GEN | SPECIFICATIONS FOR THE HEADPHONE JACK? | The Specifications for the headphone jack are missing fromthe S/M. -HQ COMMENTS: The specs. are as follows: Output Impedance: 47K Ohms Output Voltage: 500m Vrms (100% Modulation) | ||
| Sony | KV32HSR10 | NO PINCUSHION--CHECK Q505 SILKSCREEN IS WRONG | Complaint was distorted pix, found no pin correction.Servicer replaced shorted Q505, as well as L501, R571, and R518. Still hadno pin correction. While examining Q505 again, noticed that the boardsilkscreen is wrong, it shows L503 on base and D508 cathod | ||
| Sony | KV27AVR | RASTER REMAINS AFTER SET TURNED OFF. REPLACED Q402 | Raster stays on when power turned off intermittently. Found leaky transistor Q402 on A PC board. | ||
| Sony | KV2082ME7 | CHANNEL DISPLAY DOES NOT COME UP, REPLACED IC004 | Channel display does not come up. Discovered character generator IC does not run. |