41
LC-26GA5E
LC-32GA5E
LC-32GA8/LC-32BV8
LC-37GA8/LC-37BV8
Troubleshooting Table (continued)
36
LC-32/37GA8E/RU
LC-32/37BV8E/RU
TROUBLESHOOTING TABLE
(Continued)
NO
NO
NO
YES
YES
Is "EXT5" selected with
button on the remote control?
Select "EXT5" with button
on the remote control.
YES
Is the type of video signal
(Signal Type) from HDMI-
connected external device set?
From MENU-Option-HDMI
Setup-Signal Type, select a
signal type ("RGB", "YCbCr
4:4:4" or "YCbCr 4:2:2").
Is the type of colour signal
(Colour Matrix) from HDMI-
connected external device set?
From Option-HDMI Setup-
Colour Matrix, select a color
signal type ("AUTO", "ITU601"
or "ITU709").
NO
NO
YES
YES
Is TMDS data (RX
`
±
signal)
sent to pins (1)
–
(12) of EXT5
(HDMI) terminal (SC1901)?
Is I2C signal (SDA/SCL signal)
sent to pins (16) and (15) of
EXT5 (HDMI) terminal? Check
external connection and
peripheral circuits.
Is 8bit-DIGITAL signal (HDMI-
R/G/B) sent from pins (110)
–
(144) of IC1905 (HDMI-
RECEIVER)?
Check power supply (3.3/1.8V)
pins (99) and (74) of IC1905,
SDA/SCL signal pins (29) and
(30), and peripheral circuits.
NO
YES
Is 8bit-DIGITAL signal (HDMI-
R/G/B) sent to pins (73)
–
(50) of
IC3002 (VCT)?
Check SDA3/SCL3 signal pins
(27) and (28), interface between
IC1905 and IC3002, and
peripheral circuits.
YES
Is LVDS signal (LVDS_0N/0P-3N/3P) sent from pins (141) and (140) - (129) and (128) of IC3002 (VCTP), and is
CLK signal (LVDS_CN/CP) sent from pins (132) and (131)?
NO
Check pins (192), (170) and
(133) of BU3.3V power line and
pins (185), (169) and (142) of
BU1.8V power line of IC3002
(VCTP), and peripheral circuits.
YES
Is LVDS signal (LVDS_0N/0P-3N/3P) sent to pins (12) and (13) - (24) and (25) of CONNECTOR CN1 in LCD-
CONT-UNIT, and is CLK signal (LVDS_CN/CP) sent to pins (21) and (22)?
NO
Check CONNECTOR (P2305,
CN1) and Hareness Wire (LV).
YES
Is power (LCD5V) supplied to pins (2)
–
(5) of CONNECTOR CN1 in LCD-CONT-UNIT?
NO
Is LCD5V supplied to pins (31)
–
(28) of CONNECTOR
(P2305)?
Check Hareness Wire (LV).
YES
Replace LCD-CONT-UNIT.
<When EXT5 is used for external input>
No EXT5 (HDMI) output of the
external input system.
Checklist:
1) Is "INPUT SOURCE" button on the remote control set up correctly?
···
See the operation manual and set "INPUT SOURCE" to "EXT5".
2) Have you checked the type of video signal sent from HDMI-connected external device?
···
Confirm the type (it should be "RGB", "YCbCr 4:4:4" or
"YCbCr 4:2:2").
3) Have you checked the type of Colour Matrix sent from HDMI-connected external device?
···
Confirm the type (it should be
“
ITU601
’
or
“
ITU709
”
.)
4) Is ANT-CABLE disconnected or connected improperly?
···
Connect it correctly as per the operation manual.
No picture on the display (7)
