Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
---|---|---|---|---|---|
Sony | KV2601 | DARK VERTICAL BARS IN PICTURE, REPLACED R812 AND C539 | Dark vertical bars in pix, most prominent at left of screen. | ||
Sony | KV2601 | NO AUDIO, REPLACED IC2001 | No sound. | ||
Sony | KV2601 | SUB PART | Kansas City is supplying a 2SC3559 (P/N 8-729-204-94) perthe latest microfische. The new part is a T047 case style instead of theT060 original. Installation of the new part requires use of spaghettiinsulation on the leads, and looks terrible. -HQ COMM | ||
Sony | KV2601 | INTERMITTENT ALL CHANNEL DISPLAY | Intermittently unit would go to all channel display lightslit. Could not tune in any station when all lights locked in. Foundnegative line off flyback OK but after going through coil L511 found thatthe negative voltage sometimes missing. Also serial n | ||
Sony | KV2601 | NO COLOR, REPLACED 3.58MHZ CRYSTAL | No color. | ||
Sony | KV2601 | PART NUMBER MISSING | Servicer has KV-2601 with spark gap on C board shorted -schematic designation SG. The part number was omitted from the servicemanual of all the above listed models. -HQ COMMENTS: The spark gap in question is not available as a separatepart. It comes w | ||
Sony | KV2601 | SNOW PICTURE, REPLACE C209 | Snowy picture on all channels. Uncontrollable RF, AGC:measuring DC potential at Pin 5 of IC201 (CX555) netted approx. 2.5VDCwith no change upon varying RF AGC potentiometers. Measuring C209 outof circuit yielded approx. 20 microamperes leakage. | ||
Sony | KV2601 | NO COLOR, REPLACED SHORTED CV301 | After about 2-3 minutes of playing time color disappeared.Found CV301 actually physically shorted to 0 ohms. | ||
Sony | KV2601 | NO UHF, REPLACED Q203 | During programming unit would skip UHF band. 12V B+ was low(10.5V), Q203 was bad. | ||
Sony | KV2601 | NO SOUND, REPLACED IC033 | This customer has a lot of static from carpets in the home.A spark jumps from her finger each time she touched the channel selectionbuttons. This time it took out IC033. The last time IC2001 failedcausing no sound. On the IC033 Pin 10, ch. bias voltag | ||
Sony | KV2601 | PICTURE DRIFT, REPLACED C516 | Dealer expressed concern over the fact that although thevertical was normal and the vertical hold was OK, the position where thepicture locked in was not in the mechanical center of the control infact it was to one end of the control. |