Service manuals, schematics, eproms for electrical technicians
TEXET TM-9720 SCH
Type: 
(RAR)
(RAR)Size
1.3 MB
1.3 MB
Page
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Category
NOTEBOOK-PC
SERVICE MANUAL
NOTEBOOK-PC
SERVICE MANUAL
If you get stuck in repairing a defective appliance download this repair information for help. See below.
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Good luck to the repair!
Please do not offer the downloaded file for sell only use it for personal usage!
Looking for similar texet manual?
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- Also known:
TEXET TM-9720 TM9720 TM 9720
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Relevant NOTEBOOK-PC forum topics:
Üdv
Érdeklődnék, hogy a címben említett jelenséggel találkozott-e már valaki? Milyen alkatrész okozhatja (kondi?kristály?) Egy régi medion gép alaplapjáról beszélünk, de régebben tapasztaltam már más gépnél is...
"(olyan fórum téma megnevezést/elnevezést válassz, ami beszédes, minél pontosabban illeszkedik arra, amivel kapcsolatban írsz. pl: ORION LCD PT26S chassis 17MB12-2 nem indul )
Az pl. nem elég, hogy "LG RE" vagy "Cuccok!!!" és így tovább... Comprende!?"
These are PC speakers, picture of the board here
http://www.mediafire.com/view/pzd2kbq5ja0avz8/HPIM0436.JPG/file
Have replaced the TDA2030 IC's with new from stock, still get very hot. Tried now TDA2040 IC's, still run hot. Replaced all electrolytics
and even most the disc caps and the diodes for the bridge, and some of the small surrounding support resistors, really baffled....
Original problem seems to be they put too strong an input into the 3.5mm jack, and there was an MOV on the jack that shorted. Replaced it plus 2
other MOV's on the board. It seemed to be ok but played sound really too low, and only from the bass speaker. The smal L-R tweeters have never put out any sound at all...
they measure ok ohms, so they should work.
http://www.mediafire.com/view/pzd2kbq5ja0avz8/HPIM0436.JPG/file
Have replaced the TDA2030 IC's with new from stock, still get very hot. Tried now TDA2040 IC's, still run hot. Replaced all electrolytics
and even most the disc caps and the diodes for the bridge, and some of the small surrounding support resistors, really baffled....
Original problem seems to be they put too strong an input into the 3.5mm jack, and there was an MOV on the jack that shorted. Replaced it plus 2
other MOV's on the board. It seemed to be ok but played sound really too low, and only from the bass speaker. The smal L-R tweeters have never put out any sound at all...
they measure ok ohms, so they should work.
Üdv mindenkinek:
Keresném az ADP-45GB laptop táp rajzát, vagy a benne levő R 10 és R 12 ellenállás értékét.
Bálint
Egy laikus kérdés:
-Kaptam egy nagyon jó állapotú MAXDATA M-book 1000T, model N341CA notbookot. Egyedüli hátránya /az én résszemről/ hogy csak 240Mb RAM-mal rendelkezik. Nem tudja valaki - lehet e ebben a típusban RAM-ot bővíteni, és ha igen, milyen kell bele?
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