Service manuals, schematics, eproms for electrical technicians
CHANGHONG LT3212 LT3712 LT3288 3788 LT4288 LT4028 LT3219P LT3719P 4019P CHASSIS LS10 SM
Type: 
(PDF)
(PDF)Size
3.3 MB
3.3 MB
Page
36
36
Category
TV
SERVICE MANUAL
TV
SERVICE MANUAL
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Good luck to the repair!
Please do not offer the downloaded file for sell only use it for personal usage!
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- Also known:
CHANGHONG LT-3212 LT-3719P CHASSIS LS-10 LT3212 LT3712 LT3288 3788 LT4288 LT4028 LT3219P LT3719P 4019P LS10 LT 3212 3712 3288 4288 4028 3219 3719 4019 LS 10
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Warning!
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You could suffer a fatal electrical shock! Instead, contact your nearest service center!
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Relevant TV forum topics:
Sziasztok!
Hozzám került ez a tv azzal a jelenséggel hogy táp megjelenésekor kék a led, 3 mp után pirosra vállt - és ezután sem gombokra sem távirányítóra nem reagál. Minden táp rendben, stabilizátorok kimenetei rendben.
Egyetlen lehetőség a szoftver frissítés. Sajnos a JUC7.820.00085966 chassis-hoz sehol sincsen dump, még a remont-aud sem hoz semmit.
A megoldás: http://aftersales.changhong.cz/firmwaresearch/
oldalon a gyári szám megadása után letölthető egy MERGE.bin file. Ezt beleírva az SPI eepromba csodálatosan működik a készülék. Érdekes hogy az eredeti tartalom 8MB körüli, ez meg csak 3.6Mb - tehát az eeprom második fele üres.
Valószínűleg minden CHANGHONG típushoz lehet itt firmware-t letölteni. Nálam már legalább a negyedik készülék ezzel a névvel, tehát nem lesz ez ritka. Bár a többinek nem szoftver gondja volt.
Köszönöm a figyelmet!
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