Sony Repair Tips
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Results: 20073
Results: 20073
| Make | Model | Symptom | Problem | Solution | By |
|---|---|---|---|---|---|
| SONY |
KV-C25/27
|
Memory inoperative. memory chip replacement failed. | Check that pin 2 of memory chip is at -30 volts. if not check d809, r830, l807 and the -30v smoothing cap. in two cases, l807 was found to be open cct. | ||
| SONY |
KVB2923E
|
No pic or led at sw on - eht present. on entering a command led blinks rapidly 3/4 times | Possible crt low emiss - try decreasing value crt heater ballast res to check | ||
| SONY |
KVA2942U
|
Vol intermittent | R627 27r hi res | ||
| SONY |
KVA2942S
|
For vertical shift and height problems | Enter service mode and make sure "geometry set" is off | ||
| SONY |
KVA2932U
|
Garbled text chats briefly at sw on - no menu/text | X2001 on m board | ||
| SONY |
KVA2922
|
Tripping | C605 220µ in psu low cap | ||
| SONY |
KVA2542
|
Dead | Check circuit protectors ps682 and ps681 | ||
| SONY |
KV36FS76U
|
Sleep timer operates 2 mins too early | Mod req - ic107 pt no 680230304 | ||
| SONY |
KV3410B
|
Bu508 blown - getting hot. | Check value from supply control ( ht? ) pot to 135v rail , gone high. | ||
| SONY |
KV32WS3U
|
Faint pic, osg & sound - menu functs work but no stereo option | Eeprom corrupted - reset data & mod (sorry no info on doing this!) | ||
| SONY |
KV32DX30U
|
When replacing loptx | Don't use pt no listed in manual - wrecks crt - use part no 145330841. | ||
| SONY |
KV29X1
|
Int blank screen | Replace a board | ||
| SONY |
KV29LS30
|
Dead - led flashes 11 times | Loptr bu2515dx s/c - dry joints line dr trfmr | ||
| SONY |
KV29FL1U
|
Tripping with loptr q802 s/c | Dry joints r816 1k 3w & around line dr trfmr | ||
| SONY |
KV29F3U
|
To enter service mode | Press following buttons on remote slowly in sequence + (osd button), 5, vol+, tv and it will switch on in test mode 1 press menu on the remote next--power off to quit | ||
| SONY |
KV29F2
|
Set comes on with flyback lines then goes dead | Replace q707 (green) q710 (blue) or q704 (red) | ||
| SONY |
KV29F2
|
No sound from cold | Replace ic3 with preprogrammed new type | ||
| SONY |
KV29F1U
|
Tripping | Stops when 71v sec supply dis'd. q603 2sc3502 in prot cct leaky | ||
| SONY |
KV2964MT
|
Dead - no st/by | Avalanche diode r2k s/c, strs5941, & caps in pri psu 10µ 400v, 2µ2 350v, 47µ 63v & check for dry joints | ||
| SONY |
KV28WS2U BE3D
|
St/by led flashes twice | M24c32 sm eeprom replaced (caused by crt flashover?) |