TV Repair: Common Faults and Solutions.
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Results: 87418
Results: 87418
Repair Guide: Common Issues and Fixes
| Brand | Model | Fault | Detailed Problem | Solution | By |
|---|---|---|---|---|---|
| SONY | SPP22 | No function | No function at all. | ||
| SONY | SPP22 | No dial tone | No dial tone and could not talk out. | ||
| SONY | CDX5 | Need part number - down gear shaft | I need a part # for part i have highlighted. the shaft forthe down gear (161 page 48) has lost its ability to retain the gearring 169. the spring 160 and gear 161 fall off. i ordered the drivingroller arm assy (217 page 49), but found out that the par | ||
| 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 | KV1355R | No b+, relaced l-601 | The unit had no b+. we found l-601 to the main bridge opened. | ||
| SONY | KV25XBR | Dead set | The red wires coming from dy1 and dy2 were broken at the yoketerminal and shorting to the chassis. this blew the fuse and shorted thehoriz output transistor. it appeared as if the wires were twisted off.there was no other damage to the yoke. | ||
| SONY | KV2670R | Intermittent snd/pix, resoldering freq synth ppu1 | Very intermittently the picture would turn all snowy. wefound the frequency synth. unit to be improperly seated and poorlysoldered. | ||
| SONY | STRAV460 | Tv interference | The unit would produce tv interference between the time whensystem power was applied and the speaker relay engaged. this was pickedup by units several feet away. | ||
| SONY | ICF2010 | Cpu locked | Clock display is ok, but unit will not accept any operatorinput. pin 8 of ic4 (pll 1) is not toggling ic502 unlock pin 9. keyboard has been replaced. we have six units. -hq comments: the unlock output goes high when the unit is powered onfor the firs | ||
| SONY | XME70 | Premature failure of ic201 | When used in defeat mode for extended periods of time, ic201(signal switch) fails. | ||
| SONY | SLHF900 | Special effects noisy | Noisy betascan, no slow motion or other special effects.looked at rf output on scope, no output from a | ||
| SONY | CDP30 | Alignment procedure | There is one or possibly two errors in the alignment procedure1) pg 23 indicates rv104 but pictorial shows rv103. 2) pg 26 he claimswhen he grounds tp5 (assy) the motor spins very fast. is this normal? -hq comments: 1) the pictorial is incorrect. ple | ||
| SONY | KV25XBR | Damaged board | Three out of eight units we received at the consumer ctrin tampa have cracked x boards along the edge near q1111. no damageto the cartons. -hq comments: the cause seems to be flexible cabinet/chassis ofkv-25xbr. | ||
| SONY | KV2680R | Set comes on but no other functions, snowy screen, open d031 | Set could be turned on or off. raster with snow was presentand no other functions would respond other than on/off. inspectionrevealed no clock pulses at pin 16, ic031. voltage check showed no dcvoltage at pin 1 or 41 of this ic. i found d039 to be op | ||
| SONY | KV1975R | No manual or remote functions, replace ic105 | If the set was plugged into ac line, it would turn on but thepicture would be snowy. other times it would not have any manual or remotefunctions other than you could turn it off manualy or with the remote.it would only come on if the the ac cord was disc | ||
| SONY | STRVX6 | Noisy audio | Right channel noisy when volume control turned. also verynoisy when subsonic switch engaged. found yellow glue leaking across from+15 volt line at stereo/mono switch to subsonic switch connecting wires. | ||
| SONY | KV2680R | No channel change, ic-1302 on "a" board | Unit would not change channels. if channel up/down waspressed, screen would blank for a moment, and return to the same channel. | ||
| SONY | KV2084R | Weak sync, replace q203 | Unit had bend in picture and color hue was off. traced theproblem to q203 (a board), sync looked good but at emitter horizontalsync was clipped. | ||
| SONY | CDP101 | Intermittent operation | When first looked at the spindle, motor was on in reverse atfull speed. found ic503/x502 not operating and replaced them. motorstill ran in reverse but the clock was operating. pin 13/14 ic503 wave-form was low. found q510 b-e open. | ||
| SONY | SPP22 | Buzz in the handset | Buzz picked up from telephone connecting cables. |