Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
---|---|---|---|---|---|
Sony | KV2690R | VC LOCKED AT 30V - NO TUNING, REPLACE MEMORY IC-105 | VC locked at 30 volts - no tuning. Clock, data, latch pulsesare present. Tuner ok with external VC. | ||
Sony | KV2690R | IC-301 SUBSTITUTION, SEE SB 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 | KV2690R | NO PIX, SOUND, SHIELD ON REMOTE HEAD AMP SHORTING 5V LINE | No sound or picture. Low 5V line. | ||
Sony | KV2690R | AUX. APPEARS ON SCREEN, SEE SB #208R AND S/M SUPP #1 | Problem is AUX appears on screen, not supposed to. Theproblem is like in the KV-2670R, that we had. This happens approx. everymonth. The servicer goes out with a remote from a KV-2675R and turns itoff. After a month it repeats itself. -HQ COMMENTS: | ||
Sony | KV2690R | NO TUNING, REPLACE C-140 ON A BOARD | High voltage would come up at turn on but no tuning functionscould be performed. Found C140 on busy line between memory chip and PLLcontroller chip was partially shorted which was lowering voltage at Pin 30of PLL, indicating a constant busy. |