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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | CDPCF5 | DISTORTION IN AUDIO | Sound distorted in both channels. | ||
| Sony | CPD1310 | UNIT IS DEAD | Unit is not developing high voltage. Low B+ (46V) of D6007(instead of 115V B+) low 17V (2V). Decreased value capacitor C6007 330uF/25V. | ||
| Sony | KV27HFR | PICTURE BLANKS OUT AFTER 1/2 HOURS | This set when first turned on, had a narrow picture aboutone inch each side. Then a half hour later picture blanked out. CheckedB+. I found 65V instead of 135V. Sprayed SUPER FREEZE on IC681, picturecame back but still narrow. | ||
| Sony | KV1926R | PICTURE SHIFTED INTERMITTENTLY, REPLACED FREQ. SYNTHESIZER | When this unit first turned on, picture was fine. Sometimean hour later, sometime a half day later picture was shifted. | ||
| Sony | KV2670R | PICTURE SHRINK VIRTICALLY, IC-301 REPLACED | This TV had a raster shrink virtically (2 inches from topand 2 inches from bottom). Vertical size control RV502 had very littleaffect. | ||
| Sony | KV2786R | SNOW IN PICTURE, S/M ERROR AND WRONG TYPE IC-1112 INSTALLED | SNOW in picture. IC1112 could not pass signal. It had beenreplace by a servicer with the wrong part. P/N in S/M is incorrect.It is for an invertor (IC1113) not a FF, which is what servicer installed. -HQ COMMENTS: We will issue a S/B. | ||
| Sony | SL5000 | P/N FOR METAL PLATE | Need metal plate located beneath Ref. No. 105, Pg 4-3 of S/M. -HQ COMMENTS: I removed this part from a defective unit and have sentit to your attention. | ||
| Sony | KPRM360 | R5297 VALUE IS INCORRECT IN SM, (4.7K 7 WATT) SEE SB 307 | Set operates fine for approx. 20 min., then starts to showflagging at top of picture. Investigation of E board revealed thatservicer had changed IC5001 (P/N 8-759-100-60), and R5297. Servicerinstalled 4.7 ohm 7W resistor as is listed in manual. This v | ||
| Sony | KV1981R | WRONG PART NUMBER, D491 USE 8-719-92-53 | Wrong part number. If install diode above it will short outafter overheating. | ||
| Sony | KPR4620 | SCREEN P/N REVERSED IN S/M, SEE SB 304 | S/M page 87 has the reference numbers for the lenses reversed.The diagram indicates that the fresnel lens is the outer lens and thelenticular lens is the inner lens. | ||
| Sony | CDXA10 | SYSTEM CONTROL WOULD LOCK UP | Unit's system control would LOCK-UP with volume on high.No controls operative. | ||
| Sony | SLHF1000 | ROTARY TRANSFORMER | Problem indicated a defective video head disc. This wasreplaced but did not solve the problem. Additional tests pointed out adefective head drum ass'y. | ||
| Sony | KV20HFR | SHUTDOWN, REPLACE REG IC681 | After warm up 20 min. unit would shut down (power relay wouldopen contacts). Shorted return side of relay coil to ground and measuredbase of Q602 found 0.2VDC, traced problem B+ regulator, found Pin 1 ofDM-36 reading 0.6VDC S/B 1.4VDC. | ||
| Sony | CDP510 | IRREGULAR DISC ROTATION | Unit would not play discs. After pressing PLAY, disc wouldspin with loud, irregular thumping noise. | ||
| Sony | D3 | POOR TRACKING | Unit does not track very well. Eye pattern looks very poor. |