Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
---|---|---|---|---|---|
Sony | SL2710 | NO BETA HIFI PLAYBACK | This unit had no Beta Hi-Fi playback. We found Q002 to beopen on the AF-2 board (9V PB switch). Also changed was C002 as itappeared to be somewhat leaky. | ||
Sony | KX2501 | JAIL BARS, REPLACED C1527 | Picture was slightly reduced in brightness and there werenumerous dark vertical bars across the raster, about one inch in width.I suspected some sort of oscillation in the horiz. output circuit,possibly caused by poor capacitor filter action. Scoping TP | ||
Sony | CFS5000 | NO SOUND ON TAPE PLAYBACK | No sound on tape playback. Other functions OK. AMS seems towork. In PLAY (with cassette in) AMS solenoid occasionally kicks. | ||
Sony | WMF8 | BUZZING NOISE | Buzzing noise through head phones in tape mode. | ||
Sony | KV2670R | NO BRIGHTNESS CONTROL, LEAKY D-301 | Unable to adjust brightness. Found ABL clamp diode D301reading 100 ohms both directions (forward and reverse). | ||
Sony | CDP101 | SLED GOES TO ONE END WITH POWER APPLIED | With disc inserted for 2 to 3 seconds, it would eject disc. | ||
Sony | TCFX510R | NO RECORD | This unit came in with no record function. REC LED did notlight up because Pin 35 of IC601 stayed low in REC mode. Since this unitis old type, I ordered IC601 with the part #8-755-640-71. However the ICI received from NPC was a new type CX-564-072. | ||
Sony | SLHF300 | DRIFTING RF SWITCHING POSITION | This unit shows the same problem as SL-2300/2400 series. RFswitching in picture of T/N #B0060 modifies to correct the problem in2300/2400 series. Do we have a similar solution for SL-HF300? Drum drivecircuit Q15-Q20 in SL-HF300 appears to be very simi | ||
Sony | KV1911 | RINGING ON LEFT SIDE OF SCREEN | Ringing on left side of screen. | ||
Sony | KV1961 | VERTICAL JITTER ONLY ON CH 10 OFF THE AIR | Vertical jitter. Only on ch. 10 off the air. Worked normalon cable. Transmitter was approx. 10 miles from dealer. | ||
Sony | HVA220 | AC ADAPTER NO LONGER AVAILABLE | Customer purchased HVC-1000, AC adapter, CMA-100. Video is OKbut audio was distorted. 800 # suggested him to purchase HVA-220. | ||
Sony | TCFX707R | NO TAPE TRANSPORT OR INT TAPE TRANSPORT | No tape transport or int. tape transport. | ||
Sony | TCK60 | PART NUMBER MISSING | When ordering tape counter for TC-K60, Service Manual showspulley attached to the counter, however when received the pulley is notwith counter. | ||
Sony | KX2501 | C709 ON "C" BOARD REVERSED | In troubleshooting routine, I noted that C709 polarityindication on the PC board is reversed, likewise on the service manual.The positive element is shown going to GND. This is incorrect. -HQ COMMENTS: We will publish correction on this. | ||
Sony | XO5 | REV PLAY PROBLEM | When in reverse play the forward reel would be engaged andturning against reverse reel, therefore tape did not move. |