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PANASONIC TC-20L3T
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307.0byte
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TV
EPROM
TV
EPROM
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PANASONIC TC-20L-3T TC20L3T TC 20 20L3T TC-20L3T
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Tisztelt Kollégák!Panasonic TX-L32C10P.Ez a készülék kb:2 mp-ig működik majd leáll és csak a készenléti led villog,mig rá nem inditok a távval mert akkor az is eltünik.A ccfl 2 csatiját lehúzom szintén.Az invertert lecsatlakoztatom ua.A táp 5.6V,12V,24V rendben,egyedül a 15V helyett mérek kb:17.5V-ot.Eme feszt beállitó zener ic-t ,SI-3120j ugyan pár adaton fix15V-nak irják,de azt hiszem itt megfelelő ellenállásokkal 17.5V-ra van beállitva.Nem tudom kövesem e még ezt a vonalat?!Ha ez magas elvileg az "overvoltage protection"áramkör leállithatja az egészet.A táp tipusa :PSC10285B.Jó lenne belepróbálni egyet.Az túl egyszerű lenne,inkább egy jó ötletet várok.üdvözlettel osvath.
Manufacturer: Panasonic
Type: TX-L42ETW5
Chassi: LA35
Hello everybody,
I could determine or measure the following with the device:
Device does not start anymore, stand-by LED lights red when device is plugged in and flashes red as soon as an IR command (key press) is sent via the remote control. Voltages of power supply STB 5V and signal LCD_TV_SUB_ON come from A-board. Power supply starts, supplies P15V and SUB1.1V, 1.5V, 1.8V, 3.3V, 5V, HDMI3.3V and USB5V are generated on the A-Board (stand for about 2.5 seconds). Then signal LCD_TV_SUB_ON goes low (voltages go away to STB 5V) and after about 2 seconds back to high (endless). What is missing is the voltage PNL12V which is switched on by PANEL_VCC_ON2. PANEL_VCC_ON2 always has a low signal and does not change its state. Power supply also provides for the 2.5 seconds the 24V for the backlight. Clocking of LCD_TV_SUB_ON starts immediately after plugging in the mains plug (also without IR command). SOS error code is not output. The over-voltage circuit in IC 5000 pin 7 also does not respond. Attached is the timing diagram from the technical training of Panasonic where I have drawn until when the boot process behaves normally.
In my opinion a mistake on the A-board? Does anyone have a tip?
greetings
Andi
Type: TX-L42ETW5
Chassi: LA35
Hello everybody,
I could determine or measure the following with the device:
Device does not start anymore, stand-by LED lights red when device is plugged in and flashes red as soon as an IR command (key press) is sent via the remote control. Voltages of power supply STB 5V and signal LCD_TV_SUB_ON come from A-board. Power supply starts, supplies P15V and SUB1.1V, 1.5V, 1.8V, 3.3V, 5V, HDMI3.3V and USB5V are generated on the A-Board (stand for about 2.5 seconds). Then signal LCD_TV_SUB_ON goes low (voltages go away to STB 5V) and after about 2 seconds back to high (endless). What is missing is the voltage PNL12V which is switched on by PANEL_VCC_ON2. PANEL_VCC_ON2 always has a low signal and does not change its state. Power supply also provides for the 2.5 seconds the 24V for the backlight. Clocking of LCD_TV_SUB_ON starts immediately after plugging in the mains plug (also without IR command). SOS error code is not output. The over-voltage circuit in IC 5000 pin 7 also does not respond. Attached is the timing diagram from the technical training of Panasonic where I have drawn until when the boot process behaves normally.
In my opinion a mistake on the A-board? Does anyone have a tip?
greetings
Andi
Üdv!
Egy Euro-4 Pana adta fel a leckét. A típusa TX-25MK1P. A hangerőt sem az előlapról, sem a távról, sem pedig a sound-menüből nem engedi szabályozni, kb. 30 százalékon áll. Más mindent,(hangolás, egyéb huncuttságok) csinál.
Kérdeném én, találkoztatok már ezzel a jelenséggel? Gondolom, ha Hotel módban lenne, hangolni sem engedné magát...
Köszi!
Jani
Sziasztok,
Keresnék egy Panasonic TX50AXW804 való mainbordot, az enyém megáll a logónál, és kész.
TNPH1100 2 A
A válaszokat előre is köszönöm.
Keresnék egy Panasonic TX50AXW804 való mainbordot, az enyém megáll a logónál, és kész.
TNPH1100 2 A
A válaszokat előre is köszönöm.
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