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LC-37XD10E/RU
<When EXT1 is used for external input>
No EXT1-Y/C output of the external input system.
Checklist:
1) Is "INPUT SOURCE" button
2) Is MENU-Picture-Backlight/Contrast/Brightness set to "MIN"? ...Set it to an appropriate level.
3) Check the connection to the external device ...Connect it correctly as per the operation manual for the device.
Is Y/C signal sent to pins
(20) and (15) of SCART1
(J1101) ?
YES
Is Y/C signal (Y1/C1)
sent to input terminal
pins (AB22) and (Y19) of
IC3002 (V-PRO.) ?
YES
Is LVDS video signal (TA1± - TD1±) sent to pins (AB8)/(AC8) - (AB3)/(AC3) of IC3002 (V-PRO.), and
is CLK signal (CK1) sent to pins (AB5)/(AC5)?
Is LVDS video signal (TA2± - TD2±) sent to pins (AC2)/(AC1) - (V2)/(V1) of IC3002 (V-PRO.), and is
CLK signal (CK2±) sent to pins (Y2)/(Y1)?
YES
Is LVDS video signal (TA1± - TD1±) sent to pins (3)/(2) -(12)/(11) of CONNECTOR CN1 of LCD-
CONT-UNIT, and is CLK signal (CK1±) sent to pins (10)/(9)?
Is LVDS video signal (TA2± - TD2±) sent to pins (17)/(16) -(26)/(25) of CONNECTOR CN1 of LCD-
CONT-UNIT, and is CLK signal (CK2±) sent to pins (24)/(23)?
YES
Is power (+12V) supplied to pins (1) - (5) of CONNECTOR CN2 in LCD-CONT-UNIT?
YES
Replace LCD-CONT-UNIT.
on the remote control set up correctly? ...See the operation manual and set "INPUT SOURCE" to "EXIT".
NO
Check external connec-
tion, input setting,
SCART1 (J1101) and
peripheral circuits.
NO
Check CONNECTOR
(SC2702/P1101 ),
SCART1 (J1101) and
peripheral circuits..
No picture on the display (3)-2
4 – 13
NO
Check pins (G14)/(U10) of
BU3.3V line of IC3002 (V-
PRO.), pins (G10)/(N17) of
BU2.5V line,pins (U16)/
(G12) of BU1.8V line and
peripheral circuits.
NO
Check CONNECTOR
(SC2302, CN1) and HAR-
NESS WIRE (LV).
NO
Check CONNECTOR
(CN2,P707) and HAR-
NESS WIRE (PL).
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