Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por:![]() |
---|---|---|---|---|---|
Sony | SLHF300 | LEFT CH DISTORTION ON BETA HIFI PLAYBACK ONLY | Left channel distortion on Beta HiFi playback only caused byAM radio station 1540 KHz. | ||
Sony | KV2680R | NO FUNCTIONS EXCEPT POWER ON, IC-103 | No remote control functions, no channel change, volume change,color change or any control available at the receiver manually exceptpower on. | ||
Sony | ICF7600A | INTERMITTENT SHORTWAVE/FM ONLY WITH BACK COVER ON | Technician placed unit on tech assistance sheet for thecondition of intermittent shortage/FM only. Problem only happened withback cover on and while squeezing back cover. | ||
Sony | SL2300 | REPEATED FAILURES OF IC1 ON RP-8 BOARD | Loss of alternate video fields from heads. Discovered IC-1channel A not passing signal. | ||
Sony | D5 | DISTORTED AUDIO | This unit had distorted audio in both channels. | ||
Sony | TCU30 | MISSING PART # FOR LEVER ASSY, EJECT | There is no part # for lever assy, eject. -HQ COMMENTS: The part number for the eject lever is X-3565-501-0. | ||
Sony | CRF330R | MISSING PART # FOR PANEL FRONT | No part # for panel, front. -HQ COMMENTS: The part number is 3-880-501-11, but it is no longeravailable from NPC nor Tokyo. | ||
Sony | KV1770R | POOR PURITY | The screen had a strange green hazel color to it. It appearedlike a chroma problem but a little experimenting revealed a problem withthe CRT. It was not possible to achieve anything close to correct purity. | ||
Sony | KV2680R | NO AUDIO/VIDEO, REPLACE 15V REG DRIVE Q-1128 | Unit had raster out no video or audio. | ||
Sony | KV2670R | WILL NOT TURN ON MANUALLY, REPLACE IC-105 | Unit would turn off and on with remote control but notmanually. | ||
Sony | TCFX44 | MOTOR BOATING DURING RECORD | Unit motorboats intermittently during record, putting soundon tape. | ||
Sony | SL2400 | RECORD/EE PICTURE DISTORTED | Problem looked like tuner AGC problem. Playback OK. Pin 5IC4 had 5.3V. Found no adjustment of RV2 (Peak AGC). Base of Q4 was 6.3Vand could not adjust. Measured resistance of voltage divider, found thisto be 28K. Checked voltage R22 found no voltage | ||
Sony | KV2649RX | WOULD NOT CHANGE CHANNELS, LOCKED ON CH 6, REPLACED IC003 | Unit would not change channels, locked on ch. 6 and no powermanually. | ||
Sony | KV2657R | NO CHANNEL 4 | When ch. 4 button was pressed, it would not light, instead 3other channels would light. | ||
Sony | SPP22 | NO FUNCTIONS AFTER HOT | Phone operates normally for approx. 15-20 min. Then powerLED goes out but charge LED stays on. When phone is put into TALK mode,handset chirps. Pin 11 power off drops from 4.8V to 1.8V. Changed C930.022 mFD disc capacitor and Pin 11 now 4.8V. |