Dicas Reparação
Modelo - Chassis KV2675R
Pesquisa: KV2675R Enviar Dica Resolvida
Resultados 19
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | KV2675R | SHUTSDOWN UPON TURN ON, C-609 OPEN | Shutsdown upon turn on. Relay clicks then kicks back out.Scoped B+ line to relay and found a half wave 50V AC pulse unfiltered.Found C-609 open. | ||
| Sony | KV2675R | NO VIP, COLD SOLDER ON "AC" PIN T-5 JACK | This set came in with complaint of no VIP function. | ||
| Sony | KV2675R | REMOTE CONTROL WORKS INTERMITTENTLY, C-609, RY-601, THP-601 | Customer complaint was that remote control was workingintermittently. When diagnosed, the remote would work at approximately 90degrees in either direction of the receiving eye. The relay alsochattered causing the set to come on and go back off again, w | ||
| Sony | KV2675R | LOW VOLTAGE SHUTDOWN, C-540 OPEN IN 135V LINE | Unit gets low voltage shutdown. As soon as unit's B+ isturned on, you get 150VDC. Another technician replaced two each ofIC-601 (voltage regulator), still has same problem. If variac is used,lower AC from 120V to 90V, unit will work ok. | ||
| Sony | KV2675R | RELAY CHATTERS, C-609 OPEN | When unit is turned on, relay chatters and shuts down.Replaced relay and traced to C-609 which was defective. | ||
| Sony | KV2675R | PICTURE CANNOT BE LOCKED VERTICALLY, IC-301 SEE S/B TVP0236 | IC-301/CX20129 was replaced with substitute IC: CX20193. Thenthe picture was rolling vertically and could not be locked. -HQ COMMENTS: As per Service Bulletin No. TVP0236 and (0025): CX20129(early production) and CX20193 (late production) are not inter | ||
| Sony | KV2675R | IC-301 REPLACEMENT, SEE S/B CTV0236 AND TVP0025 | When replacing IC-301, the substitute part does not work. -HQ COMMENTS: We have two service bulletins which pertain to the above.Please refer to service bulletin No. CTV0236 and TVP0025 (CSV-1). | ||
| Sony | KV2675R | UNIT STAYS IN SLEEP MODE, IC-104G | The unit was in the (Sleep) mode and acted as if the UPC wasnot receiving a vert pulse. Upon examination, we found the vertical pulseto be only 1VPP at IC103/p.4. This was caused by a defective charactergenerator, IC104 loading the line down. Replacem | ||
| Sony | KV2675R | NO PIX - NO VIP, POOR CRIMP CAUSING NO 60HZ | No picture at turn on, no VIP function, sound OK. Picturewould come on at 3-5 min after warm-up intermittently. Six failures inone year. | ||
| Sony | KV2675R | DEFECTIVE PICTURE TUBE KV-2675R, APERTURE GRILL OFF | New set out of box. Color bands red, green and blue horiz.bars from bottom to top 2 to 3 inches wide. All scope shots indicated nocircuit malfunction. | ||
| Sony | KV2675R | PAC-MAN PATTERN ON SCREEN, NO VIDEO | NO VIP function, Pac-Man pattern flashes on screen at theclock rate about once a second. RCA uses this same IC051, MB88303, chipin some of their VCRs and they have the same problem. | ||
| Sony | KV2675R | NO POWER ON WITH REMOTE, IC-050 ON "T" BOARD | Unit would not turn on with RM-718 remote. All other func-tions OK. Unit would turn on at front panel, and after set was turnedon, all functions on remote and front panel operated properly. Unitwould not respond to this one function only. | ||
| Sony | KV2675R | INTERMITTENT LOSS OF PICTURE OR RETRACE LINES, CR PIN CONN | Set would intermittently loose picture or get retrace and attimes go out of focus. This is a serious problem as it is not easilydetected. I suggest an immediate S/B. | ||
| Sony | KV2675R | HORIZ OUTPUT TRANSISTOR RUNS HOT, REPLACED T-501 | The horiz. output transistor ran hot on this unit. | ||
| Sony | KV2675R | NO VIP, LEAKY D-103 | No VIP. Noise on M2 data line Pin 28 IC103 A board.Voltage approx. 4.5VDC. When checking M2 line at Pin 14 of IC050 Tboard could see a faint horizontal pulse. |