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TV CHASSIS PT90

TV - SERVICE MANUAL
Type: (ZIP)
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59.3 MB
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Category
TV
SERVICE MANUAL
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  • Also known:
    TV CHASSIS PT-90 PT90 PT 90
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Relevant TV forum topics:
PIONIER TV! tápegysége
Kaptam ma ezt a csodát :) se kép se hang de még a STBY -led sem ég :( rögtön a táp egységgel kezdtem táp tranzisztor már nem is volt egyáltalán benne :falfej: a táp ic tipusa: TDA 4605 milyen tranyó jó elhez az icéhez? BUZ 91A? vagy BU 508- asat is bele tehetek? segítségeket köszönöm!! ÜDV! Zsolt
ACER AT 2601W LCD TV stby-ból nem indul
Sziasztok A fenti LCD tv érdekes dolgot produkál: Hálózati dugót bedugod, megjön a stby (narancs LED világít), de on/off-ra nem indul, csak ha KI/BE kapcsolom a főkapcsolóval... Tápokat ellenőriztem esr-es kondik cserélve, de a helyzet u.a. Main boardon kondik melegítve -->akkor sem indul. Main board melegítve, nem indul. kikapcs, bekapcs főkapcsolóval , indul... Találkoztatok ilyen hibával? majd 10 éves gép... support már nem hiszem, hogy lenne...(valami soft frissítés) Köszi a segítséget Szabi
Clatronic 486 kis hordozhato b/w tv szinkronhibával indul.
Sziasztok. Van egy Clatronik 486-os kicsi, hordozható b/w tv-m,. Az utobbi időben az első bekapcsolákor ezzel a képernyővel fogad, de ki-be kapcsolás után a kép megjelenik, azonban a kép felső része balra torzulva inog. Remélem csak valami egyszerü hibája van. Köszi minden segitséget.
lcd tv SAMSUNG LE40R71B relay clicking
I have this TV equipped with the source BN44-00134A.Tv does not start, it is heard how the relay is continuously coupling and disconnecting. The stable voltage drop is STB = 6.5V, P-ON / OFF varies between 0.2-2.5V in normal operation = 2.6V) PFC between 360-385V (when going is 382V). All electrolytes, secondary-primary, have been changed, except the 220uF / 450V which is ok. In this state, if measure the voltage on the pins 1-2 to optocoupler PCS802, the relay stay connect and tv work normally . I have replaced the PCS802,801, the ICS 802 (KIA431), the QP803, the QS801, the QS802 checked. If I stop it(unplugged) and I restart the tv in a few minutes, it works normally, if I leave it a little longer, the defect returns. Any suggestion is welcome, I do not think it would be the problem with the mainboard. Thank you!
 I attach the power supply+ inverter schematic model BN44-00134A
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