Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
---|---|---|---|---|---|
Sony | KV27HFR | NOISE IN PICTURE, AG VIBRATION BY AUDIO, NORMAL | With volume up high, noise in picture is present. CRT gridwires are vibrating due to the loud volume. -HQ COMMENTS: With high volume levels this will occur. There is nosolution except to lower volume level or use external speakers away fromthe unit. | ||
Sony | KV27HFR | VERTICAL INSTABILITY AND SOME HORIZONTAL FLAGGING, C-520 | Unit had vertical instability with either antenna or ext video(VCR Playback). With an external video generator the unit was fine.Reducing the gain of the generator unit would again have instability.Checking the signal at IC-301 pin 47 and 48 found the s | ||
Sony | KV27HFR | PICTURE PULLED IN FROM ALL SIDES, REPLACE R-655 | 135V line B+ was 117V which caused all four sides of thepicture to pull-in. | ||
Sony | KV27HFR | SHUTDOWN WHEN USING VCR, RESOLDER C-660 | Set was hooked to Zenith VCR. Set would operate fine until aVCR function was initiated, then set would shutdown. Set would work okwith other manufactured VCR. | ||
Sony | KV27HFR | NO TUNING (SNOW), REPLACE 5V REG Q-112 | Complaint of no tuning (snow) channel volume brightness etc.were operating 3 times faster than normal. | ||
Sony | KV27HFR | NO VERTICAL SYNC ON COPY-GUARDED TAPE, ADD CAPACITOR | When playing certain copy-guarded tapes, namely, two WaltDisney tapes, this TV model has absolutely no vert. sync. Picture rollsupward rapidly. This problem was noted on two other sets, same model i.e.KV27HFR. Same symptom was present using two differ | ||
Sony | KV27HFR | SHUTDOWN, REPLACE IC-681 | Intermittent shutdown after 15 to 20 minutes. | ||
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 | KV27HFR | DEAD, REPLACE C-893 AND AC FUSE | Set dead. | ||
Sony | KV27HFR | DARK PIX ON CABLE, RESOLDERED PIN 1 OF C3 CONNECTOR, SUB BRT | Servicer informed me that the TV will come on dark on somechannels, other channels picture is bright. This is only on cable, offthe air no problem. When the set is first turned on, pix will be dark andafter an hour to hour and a half, pix will be brigh | ||
Sony | KV27HFR | UNIT SPARKLES THROUGH THE PICTURE, REPLACE TUNER | Unit would play for about 5 minutes and then sparklesthrough the picture and popping through the speakers. Finally picturewould disappear. Found problem in tuner. |