Sony Repair Tips
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Results: 20088
Results: 20088
| Make | Model | Symptom | Problem | Solution | By |
|---|---|---|---|---|---|
| SONY |
BE-5 KV21X4U
|
Humbar on dark scenes , common on high gain channels | Ic101 mc44002p (875933345) | ||
| SONY |
BE-5 KV21X1U
|
Striations on lhs | R820 3.3k fusible, located on the rhs of the loptx, blue in colour, between 2 coils (r820 is not marked on cct) | ||
| SONY |
BE-5 KV21X1U
|
Int. sync, picture patterning | Replace smd c341 | ||
| SONY |
BE-5 KV21X1U
|
Dead | Q802 s2000n (872903385), do not use s2000a as it will fail in a short time | ||
| SONY |
BE-5 KV21X1U
|
Dead | Ic600 strs6707 (874992499), d603 rd6.8esb2 (871910997), r601 (120296211), r605 (121636411), q601 2sc3852a (872902504) | ||
| SONY |
BE5 KV21X1U
|
Int dead | Dry joints r651 - under plastic frame | ||
| SONY |
BE5 KV20WS1B
|
Poor start up from cold in st/by | Increase value of c623 from 56 to 220µ | ||
| SONY |
BE5 21X4U
|
Dead with 4 flashes from led | Check t801on primary side for o/c, part number 1-437-090-31 | ||
| SONY |
BE5
|
St/by only - led flashes 10x | Loptx hr7762 | ||
| SONY |
BE5
|
St/by still produces small pic | Q603 2sc2389s st/by tr | ||
| SONY |
BE5
|
Dead - all psu o/ps low & falling | Ic601 se135n error amp chip | ||
| SONY |
BE-4A KVM2171U
|
No text, excessive width, poor grey scale | Nvm corruption. replace ic002 new type st24c02fb6 (875937032). change c0255 from 47uf to 1000uf, add 5.6v zener from pin 8 ic002 (cathode) to earth, tighten earth spring around crt in the shape of u | ||
| SONY |
BE-4A KVM2171U
|
Frame collapse | R622 (ht feed) o/c, r814 0.47r safety (frame feed) o/c | ||
| SONY |
BE4A KVM2171U
|
Luma low, poor sync, field up at bottom & e/w bowing | Ok when heated - c627 100uf 10v in the 5 volt rail, high esr, off pin 8 of ic603 | ||
| SONY |
BE4A KVM2171U
|
Field collapse | R814 0r47 o/c | ||
| SONY |
BE4A KV25T1U
|
Corrugations and poor eht stability | Loptx | ||
| SONY |
BE-4A KV21T3U
|
Volume goes to max, no remote or front control functions | Micro gets hot, replace micro part no 875947506 | ||
| SONY |
BE-4A KV21T3U
|
No pic (blank video) | D722 (871999133) o/c is crt | ||
| SONY |
BE-4A KV21T3U
|
Blank raster with flyback lines | A1 voltage too high, replace loptx | ||
| SONY |
BE4A CHASSIS
|
Frame collapse. replaced frame output chip, but picture geometry was not ok. the voltage at pin 8 of mc44007p chip measured low. | If picture geometry after replacing vertical outp. chip is not in order, replace also mc44007p. (replaced also str-s5706 in case an overvoltage caused the fault) |