Dicas Reparação SONY
Modelo - Chassis
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | BE-3D KV25F3U | no audio output | no +21V, PS602 2.7A o/c (153268621) | ||
| Sony | BE-3D KV25F3U | dead, no 135V | o/c print around D609 | ||
| Sony | BE3D KV24WX1U | Whine from lh chan over normal sound, same on phone & scart skt - RH chan ok | Sus MSP chip IC202 on "A" board with tuner. As this is a 60 pin sm chip & expensive the good chan was linked to both o/ps | ||
| Sony | BE-3D | To enter service mode | press OSD, "5", vol+ & TT Technology You Can Taste project booklet | ||
| Sony | BE-3D | St/by only | lopt | ||
| Sony | BE-3D | No sound | IC1200 TDA7264 | ||
| Sony | BE-3D | int bright blue pic - trips | crt faulty | ||
| Sony | BE-3D | EW dist | IC800 LM393P, D800 ISS133T both leaky | ||
| Sony | BE3D | Reverts to st/by at sw on with 2 flashes from LED | Indicates over current or field fault. To eliminate field, dis D505 on main board. If set now sw on check IC500, R510, R509 etc If the problem is not in FOP, check volts on coll Q606. During normal operation this should be 0V. An over-current condition will cause this tr to turn on making its coll high. If so check comps in LOP. If neither of the above conditions is occurring, replace memory chip IC2 on A board. | ||
| Sony | BE3D | Relay clicks on/off in st/by - ok when on | If 5V supply to micro (IC001) is lost when st/by selected then micro will reset & set will switch on again. Check Q601, D603, Q604, Q603, Q602, & confirm HT is 135v when set on. If HT is too high, replace IC602 & IC601. | ||
| Sony | BE3D | Poor contrast, dim display & dark pic | Check R826, R827, R828 and R829 in ABL cct | ||
| Sony | BE3D | Pic cycles on/off every 10 secs | D618 1SS133T in prot line cct (checked ok out of cct) | ||
| Sony | BE3D | No pic, sound, LEDs | HT at D609 only 24v (135v), IC604 L4941BV 5v st/by reg u/s | ||
| Sony | BE3D | No OSD or Txt | Replace D 817 (5.1 v z diode) on main pcb. H .Flyback line to board "A". | ||
| Sony | BE3D | Failure of EEPROM | usually caused by flashover in unreliable CRT |