37
LC-26DA5U
LC-32DA5U
TROUBLESHOOTING TABLE (Continued)
Are HDMI_Y/Pb/Pr and HDMI_H/V signals
supplied to pins (7), (9), (11), (4) and (2) of
MAIN unit connector (SC3701)
respectively?
Is IC1913 (E2PROM) accessed by I2C to
read out DDC I2C CLOCK/DATA when
HDMI equipment is connected?
Are signals sent from connectors of HDMI
(SC1901) to input terminals H_RX0– (pins
63 and 62), H_RX1– (pins 67 and 66),
H_RX2– (pins 71 and 70) and H_RXC–
(pins 59 and 58) of IC1912 (HDCP_LSI)?
Check HDMI equipment settings.
Are HDMI_Y/Pb/Pr and HDMI_H/V signals
sent from pins 54, 52, 50, 57 and 59 of
AV_UNIT connector (SC5702)?
Check IC1912 (HDCP_LSI) and the
peripheral circuits.
Check FC harness for disconnection.
Check IC1913 and the peripheral
circuits.
No HDMI input picture
YES
NO
YES
NO
NO
YES
NO
HDCP_LSI
Are digital video signals sent from pins
(26)~(31), (34)~(37) of IC3301?
Check IC3301 and its peripheral circuits.
YES
NO
Are there digital video signal inputs at
pins (9)~(12), (15)~(20) of IC3201
(LVDS RECIEVER)?
Replace the main PWB, or check
between IC3301 and IC3201.
YES
NO
Are there digital video signal outputs
at pins (37)~(42), (45)~(48) of IC3202
(LVDS TRANSMITTER)?
Check IC3201,IC3202 (LVDS
TRANSMITTER) and the peripheral
circuits.
YES
NO
Check the LCD CONTROL PWB.
YES
YES
YES
NO
YES
NO
NO
NO
YES
YES
NO
YES
YES
NO
No sound or picture comes out.
Is the power LED lit up in Green? Is the power LED blinking in red?
Check the power supply unit.
Blinking once? (At regular intervals)
Blinking once?
Blinking twice?
Blinking five times?
Is the Backlight off?
To "The backlight does not go on."
To "No picture comes out."
To "The backlight does not go on."
Check the panel power supply detection (VSH).
Check the temperature of the set.
Check the power supply circuit.
CCKM and D5V line are in order.
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