☰

Sony Repair Tips




AIWA
BEKO
CCE
CINERAL
DAEWOO
FUNAI
GRADIENTE
GRUNDIG
HITACHI
ITT
JVC
LG
MITSUBISHI
PANASONIC
PHILCO
PHILIPS
PIONEER
RCA
SAMSUNG
SANYO
SHARP
SONY
THOMSON
TOSHIBA
VESTEL


Search: sony
Results: 20100
Make Model Symptom Problem Solution By
SONY KV1354R
Dark picture, replaced c-556 and r-557 This unit had a dark picture caused by c556 shorting andopening r557 in the 800v line.
SONY KV1331
Dark picture, replaced d-513, r-557 This unit had a dark picture.
SONY KV1222RS
Turn off by itself when warm, replaced c005 Set would turn off by itself. could not turn on nor enterremote functions when warm. could flex board and unit would act up.found problem to be c005 was missing from board.
SONY KP5040
Intermittent no vertical deflection, replaced q951 Intermittently the green picture would fold over at the topand sometimes loose all vertical deflection. when this happened, theset would blank all three crts. cooling the vertical drive transistorq5529 would restore proper operation. this was very mis
SONY FD30A
No video and retrace lines on the raster, replaced r409 Picture has retrace lines, raster ok, no video.
SONY KV2670R
Dead set, open relay Set could not be turned on at time of delivery. servicer hasnot received service manual as yet and requested my help. inspectionrevealed that the relay would not close. relay winding was open.
SONY KV2670R
No picture, h out q-504 Several units have had the horiz. output transistor q504fail shortly after initial turn on. the devices seem to fail of theirown accord. we can find no other problem. suggest replacement with asturdier device.
SONY KV2643R
Shutdown after two minutes, removed jw-54 Unit would play for about 2 min. and then shut down. puttingunit on variac at 90vac, unit would play.
SONY KV2101
Intermittent high-pitch noise, h lin coil l-803 Intermittent high-pitch noise.
SONY KV1917
Intermittent shut down Intermittent shutdown.
SONY FD30A
No audio, open ground between g and k board Not audio.
SONY KX2501A
Dead set, replaced d1514 The power supply was whistling and there was no picture orsound. we found d1514 in the high voltage regulator to be shorted. thispresented about 30Ω to the 140v line. the fuse never opened.
SONY KV2648R
Heavy arcing, resoldered broken etch When set was turned on, heavy arcing would occur around theflyback. servicer had replaced the flyback, which did not help. foundground etch near t503 was open. this caused the flyback return to beopen. we discovered this by connecting the osc. ground
SONY KV2647RX
Dark picture of cable channels Dark picture on only the cable channels that were scrambled.the scrambler was made by octagon regency. the cable system was daviscommunity cable co. in davis, calif. the problem with the cable scrambledchannels was with the horizontal sync.
SONY KV2647RX
Unlock signal on cable channel, replace c208 and adj t203 Customer on cable unable to lock in on hbo channel 18.
SONY KV2647R
No display timer function, ac wires to mf-7 reversed Display time would be on but the time would not change whenthe set was off. when set is turned on, the clock would work until theset was shut off.
SONY KV1924
Weak crt This unit looked like it had a weak crt.
SONY KV1714
No hv sync, lack of brightness 1) no sync vertical 2) vertical roll 3) horizontal out offrequency 4) picture is too dark.
SONY KV1545R
Poor remote sensitivity, replaced l1 Unit had poor remote sensitivity (4 inches). found coil l1shorted. resistance should be 22Ω, it was 2Ω.
SONY KV2647RX
No picture on cable, add resistor with r054 Set will not work on cable (hrc system). one fix was to puta 100Ω resistor across r054. this seemed to work in the past. on thenew sets kv-2647rx this fix does not work in all cases. the 100Ω willcause the set to hunt shift back and forth. wha