Dicas Reparação SONY
Modelo - Chassis
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | KP7225 | POOR CONVERGENCE | Poor convergence with some controls such as tilt and key stonenear limit of their range. | ||
| Sony | KP5040 | POOR FOCUS, ADJUSTED ELECTRICAL AND MECH. FOCUS | Distributors complain of poor focus on KP-5040. A littleblurry was traced to the acrylic lenses, which are transmitting a slighthalo around well defined objects. Noticeable around the blue cross hatchbars, which causes them to appear wider than the oth | ||
| Sony | KP5040 | WRONG PART NUMBER, R818 | Resistor R818 on E board is shown as a 3.6 ohm resistor onservice manual schematics. It should be 3.6 kohm. Parts list in rear ofmanual is correct. | ||
| Sony | VTX1000R | NO PICTURE | Dead tuner 6.8V line is 0V. Found ROSS at the 6.8V regulatoropen. | ||
| Sony | TV123 | INTERMITTENT PICTURE DISTORTION | This unit very intermittently pulled from the sides and/ordisappeared. No loss of horiz. sync. occurred. | ||
| Sony | KV8100 | ON/OFF SWITCH WOULD NOT WORK | Cust. is using KV8100 with a VHS machine on a boat. Both TVand VHS are on 12VDC. The KV8100 will not shut off with on/off switch. -HQ COMMENTS: We can try to go around that by insertive RC separator(10 kohm in parallel with 0.01u) into the cable conne | ||
| Sony | KV5020 | NARROW PICTURE | Narrow pix - all three CRT's were narrow pix remained ingood convergence. Looked like the low voltage power supply was weak. | ||
| Sony | KV2602 | PICTURE DISTORTION, REPLACED C508 | At turn on full vertical sweep then gradual loss from top andbottom until after 5 minutes picture would be approx. half size. | ||
| Sony | KV2601 | NO COLOR, REPLACED 3.58MHZ CRYSTAL | No color. | ||
| Sony | KV2141R | SET LOCKS ON CH2, SHORTED Q2201 | Display says channel 2, no matter which channel selected,tuning OK. | ||
| Sony | KV1948R | CH 14 WOULD NOT LOCK, ADJ T202 AND T203 | Ch. 14 would not lock up on a cable co. using the HRC cablesystem, all other channels operate properly. | ||
| Sony | KV1947R | PICTURE DISTORTION, REPLACE IC501 | Total loss of vertical sync. | ||
| Sony | KV1945RS | NO COLOR, REPLACED BPT, T301 | No color. | ||
| Sony | KV1945RS | NO UHF Q008 SHORTED | Would not receive UHF channels. | ||
| Sony | KV1945RS | INCORRECT TUNING, REPLACED X003 | No channel indicator (blank), no tuning of signal. Voltageson IC001 and IC002 were all wrong. Servicer had changed both chips andchecked the clock freq. of IC001 CL1 with a counter, 400kHz. When clockwas finally checked with a scope PP V was only 0.5V |