Dicas Reparação
Modelo - Chassis SLHF750
Pesquisa: SLHF750 Enviar Dica Resolvida
Resultados 11
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | SLHF750 | UNIT DOES NOT THREAD/UNTHREAD TAPE | Unit would not thread/unthread tape by supplying external DCvoltage to threading motor. Relay gear assembly would slip and chatter.Noticed that the shaft on which this gear assembly mounts on was pushedupwards and didn't enter the hole designated for it | ||
| Sony | SLHF750 | NOISE IN R CHANNEL HI-FI | Crackling and popping noise in right channel. Beta Hi-Fi isworse on some tapes than others. | ||
| Sony | SLHF750 | TENSION SPRING (REF 266) PART NUMBER | Servicer needs the type of spring as shown, Ref. No. 266 onpage 126 of the service manual. The part number 3-696-394-01 yields acoil spring from Kansas City Parts or from San Jose SSC stock. We needthe correct part number for the spring as shown in the | ||
| Sony | SLHF750 | NO POWER BACK-UP | During power out, how long should the SL-HF750 maintain timermemory? What circuit or circuits are responsible for the memory? -HQ COMMENTS: Our lab unit holds memory for about 15 - 30 seconds. Thetransistor circuit for the power down tells the micropr | ||
| Sony | SLHF750 | SERVICE MANUAL CORRECTION: RMT-143 EXPLODED VIEW | There is an error on page 241 of the service manual. | ||
| Sony | SLHF750 | UNIT DEAD | Unit was completely dead, i.e., no ON/OFF function, no displayof any kind. Tests revealed all DC voltages present and clock pulses werealso ok. Clue to problem was pin 17, IC-1 on (FL-11) board. It neverwent low, but always had 3.5 VDC on it. Obvious | ||
| Sony | SLHF750 | DURING PLAYBACK, PRESSING INDEX MARK/CAUSES DISTORTED VIDEO | CTL pulse was incorrect during index mark process causing unitto go out of servo lock momentarily. (Multiple short CTL pulses). | ||
| Sony | SLHF750 | HUM BAR, E-E MODE | Hum bar floats through pix in E-E mode. PS voltages appearnormal, but found open zener diode D003 in power supply. Problem mostnoticeable on Ch. 5. Did not appear when playing back pre-recorded tapes. | ||
| Sony | SLHF750 | VIDEO HEAD DISC OUT OF STOCK | We have a hot customer, and need one right away. -HQ COMMENTS: P/N 225-A which is listed on microfiche is incorrect.Correct P/N is listed in S/M as A-6762-255-A. These are in stock. | ||
| Sony | SLHF750 | REPLACEMENT ROTATION SENSOR DOES NOT WORK | Ordered sensor for RMT-143 received different style part undersame P/N. Sensor did not function. -HQ COMMENTS: Please contact KCP and exchange for correct part. Contactme if there are any future problems. | ||
| Sony | SLHF750 | NOISE IN PLAYBACK PICTURE | During the playback of self or prerecorded tapes, two or threebright spots, one line thick by 1/2 to 1 inch length on picture. Theposition of spots changes left or right by turning the tracking knob.Did not have any other unit to switch the boards for i |