Factory Reset. Still, change U2(39VF800A Flash ROM) if do not
become.
5.2.3. “CI CARD INITIALIZING NOW….” Message becomes Display continually on screen and
when Menu transfer is slow Firmware again Download do .
5.2.4. When do not act whether FRONT 7-SEGMENT(DISPLAY) acts strangely
(6) Change FRONT PANEL
(7) Change MICOM(U10) (AT89C51)
U10 : Confirm by SCOPE whether 11.0592 MHzs break out in pin 21
(8) Confirm by SCOPE whether 11.0592 MHzs break out in U10-pin 20, 21
5.25. When VIDEO screen gets into Scratch occurrence
(1) If scratch is happened on Video screen and Audio noise or stop phenomenon
is happened Tuner change .
(2) Audio is normalcy and if scratch is happened Video screen U7 : (L64005)
U8 : (km416S1020 sdram) change
(3) When Video Color is badness, U11 : (BT864) change.
(4) After Power ON, when that stop screen phenomenon happens U13 : (AKM4323) change
(5) Video Filter from Bt864A (Digtal Video Encoder)
Action) : If the Color signal is not operation. Shoud be Checking
43pin(SYSCLK) 27Mhz Of U11 and VCC(3.3V) if you have
checking, If No problem. Check the install chip-poistion and short of
solder, cold solder, etc. Where are replace of component Part, Check
the insertion of part
CVBS --à
(LOW active) RESET --à
To Next Page
Loading...
Need help?
General
