Sharp LC-24LE240EK Service Manual ▷ View online
53
LC-24LE240
SOFTWARE UPDATE
In MB62 project there is only one software. From following steps software update procedure can be
seen:
seen:
1. MB62 en. bin, mboot.bin and usb_auto_update_mb62.txt documents should copy directly inside
of fl ash memory ( not in a folder).
2. Put fl ash memory to the TV when TV is powered off.
3. Power on the TV by main switch and press OK in remote control continuously during 3 -4 sec-
3. Power on the TV by main switch and press OK in remote control continuously during 3 -4 sec-
onds. Then led will start blinking (red / green) quickly.
4. If First Time installation screen comes, it means software update procedure is successful.
54
LC-24LE240
2S&EGOPMKLX4VSFPIQ
4VSFPIQ-J8:MW[SVOMRKPIHMWRSVQEPERHXLIVIMWRSTMGXYVIERHFEGOPMKLXSRXLITERIP
4SWWMFPIGSYWIW&EGOPMKLXTMRHMQQMRKTMRFEGOPMKLXWYTTP]WXF]SRSJJTMR
&EGOPMKLXTMRWLSYPHFILMKLMRSTIRTSWMXMSR-JMXMWPS[TPIEWIGLIGO5ERHTERIP
GEFPIW
GEFPIW
(MQQMRKTMRWLSYPHFILMKLSVWUYEVI[EZIMRSTIRTSWMXMSR-JMXMWPS[TPIEWIGLIGO
7JSV1WXEVWMHIERHTERIPSVTS[IVGEFPIWGSRRIGXSVW
7JSV1WXEVWMHIERHTERIPSVTS[IVGEFPIWGSRRIGXSVW
&EGOPMKLXTS[IVWYTTP]WLSYPHFIMRTERIPWTIGW4PIEWIGLIGO'2JSV1&VIPEXIH
GSRRIGXSVWJSVTS[IVWYTTP]GEVHW
GSRRIGXSVWJSVTS[IVWYTTP]GEVHW
TROUBLESHOOTING
1. No Backlight Problem
Possible causes: Backlight pin, dimming pin, backlight supply, stby on/off pin.
55
LC-24LE240
78&=C323**WLSYPHFIPS[JSVWXERHF]SRGSRHMXMSRTPIEWIGLIGO6
'-1SHYPI4VSFPIQ
4VSFPIQ'-MWRSX[SVOMRK[LIR'-QSHYPIMRWIVXIH
4SWWMFPIGSYWIW7YTTP]WYTP]GSRXVSPTMRHIXIGXTMRWQIGLERMGEPTSWMXMSRWSJTMRW
'-WYTTP]WLSYPFI:[LIR'-QSHYPIMRWIVXIH-JMXMWRSX:TPIEWIGLIGO
'-C43;)6C'860XLMWTMRWLSYPHFIPS[
'-WYTTP]WLSYPFI:[LIR'-QSHYPIMRWIVXIH-JMXMWRSX:TPIEWIGLIGO
'-C43;)6C'860XLMWTMRWLSYPHFIPS[
2. CI Module Problem
Problem: CI is not working when CI module inserted.
Possible causes: Supply, supply control pin, detect pins, mechanical positions of pins
CI supply should be 5V when CI module inserted. If it not 5V please check
CI_POWER_CTRL, this pin should be low.
Problem: CI is not working when CI module inserted.
Possible causes: Supply, supply control pin, detect pins, mechanical positions of pins
CI supply should be 5V when CI module inserted. If it not 5V please check
CI_POWER_CTRL, this pin should be low.
56
LC-24LE240
Please check mechanical positions of CI module.
Detect ports should be low. If it is not low please check CI connector pins, CI module pins
and 3V3_VCC on MB62.
and 3V3_VCC on MB62.
C
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