Sony Repair Tips
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Results: 20088
Results: 20088
| Make | Model | Symptom | Problem | Solution | By |
|---|---|---|---|---|---|
| SONY |
BE1
|
Hooking at top of pic with buzzing from lop stage | Line dr pulse at pin 8 of tda2579a ic551 affected when fault present - chip faulty | ||
| SONY |
BE1
|
Field collapse | Ic501 µpc1488h faulty - supply from loptx high - dry joint on loptx esp pin 11 (chassis) | ||
| SONY |
BE1
|
Field collapse | Replace fop chip with a µpc1488h (orig la7830) & check cct prot | ||
| SONY |
BE1
|
Field collapse | Check r801 ( 0.47r ) & ps501 if both o/c ic501 ( upc1488 ) u/s if ok check for d/j around ic | ||
| SONY |
BE1
|
E/w & width problems | C808 47nf 250v | ||
| SONY |
BE1
|
Dead. | Bu506 , d611 , r606 ( 68r ) | ||
| SONY |
BE1
|
Dead only 25v on d604 ( 119v is coect ) | C608 680pf leaky connects across d604 | ||
| SONY |
BE1
|
Dead no ht bu506 sc | Check r606 68r or replacements | ||
| SONY |
BE1
|
Dead ht 110v present at test point | No b+ volts at loptr - ps01 n15 600ma cct prot o/c | ||
| SONY |
BE1
|
Dead apart from high pitched whistle from psu | Breakdown in loptx | ||
| SONY |
BE1
|
Dead | Talk to them | ||
| SONY |
BE1
|
Dark after period of time | C329 22µ 16v tant | ||
| SONY |
BE1
|
6 flyback lines (2 of each col) top of pic | Ic501 µpc1488h chip dry joints | ||
| SONY |
BC5 KV14FV1U
|
Dead - led blinks 4 times | Q802 bu4508dx loptr s/c pt no 872905182 & ps602 n75 cct prot o/c pt no 153268621 | ||
| SONY |
BC5
|
No picture; sound ok | Can occur when ic902 fails (3.3v regulator on the video pcb). replace ic902, part no. 8-759-591-02. | ||
| SONY |
BC-4 KV21V6U
|
Will not record, playback is ok | Resolder tuner units tu101 and tu102 | ||
| SONY |
BC-4 KV21V6U
|
Distorted audio on vcr playback | Dj on l1004 in audio section on vcr pcb | ||
| SONY |
BC-4 KV21V6U
|
Comes out of staby then trips, led blinks 4 times | R623 100r 0.25w o/c | ||
| SONY |
BC-4 KV14V5U
|
Lack of contrast on pic and text | R833 (124944111) faulty, also check r832, r838 | ||
| SONY |
BC-4 KV14V5U
|
Frame blanking appears as black band in the centre of screen | C378 (116400511) on pin 45 of ic304 |