Sharp LC-24LS240EXK (serv.man2) Service Manual ▷ View online
57
LC-24LS240
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
58
LC-24LS240
0IH&PMROMRK4VSFPIQ
4VSFPIQ0)(FPMROMRKRSSXLIVSTIVEXMSR
8LMW TVSFPIQ MRHMGEXIW E WLSVX SR :GG ZSPXEKIW 4VSXIGX TMR WLSYPH FI PSKMG LMKL [LMPI
RSVQEPSTIVEXMSR;LIRXLIVIMW EWLSVXGMVGYMXTVSXIGXTMR[MPPFIPSKMGPS[-J]SYHIXIGX
PSKMGPS[SRTVSXIGXTMRYRTPYKXLI8:WIXERHGSRXVSPZSPXEKITSMRXW[MXLEQYPXMQIXIVXS
JMRHXLIWLSVXIHZSPXEKIXSKVSYRH
RSVQEPSTIVEXMSR;LIRXLIVIMW EWLSVXGMVGYMXTVSXIGXTMR[MPPFIPSKMGPS[-J]SYHIXIGX
PSKMGPS[SRTVSXIGXTMRYRTPYKXLI8:WIXERHGSRXVSPZSPXEKITSMRXW[MXLEQYPXMQIXIVXS
JMRHXLIWLSVXIHZSPXEKIXSKVSYRH
3. Led Blinking Problem
59
LC-24LS240
4. IR Problem
Problem: LED or IR is not working.
Check LED card supply on MB62 chassis.
Problem: LED or IR is not working.
Check LED card supply on MB62 chassis.
60
LC-24LS240
97&4VSFPIQW
4VSFPIQ97&MWRSX[SVOMRKSVRS97&(IXIGXMSR
'LIGO97&7YTTP]-XWLSYPHFIRIEVP]:
21.5. Keypad Touchpad Problems
Problem: Keypad or Touchpad is not working
Check keypad supply and KEYBOARD pin on MB62.
5. Keypad Touchpad Problems
6. USB Problems
Problem: USB is not working or no USB detection.
Check USB Supply. It should be nearly 5V.
Problem: USB is not working or no USB detection.
Check USB Supply. It should be nearly 5V.
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