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LC-32X20E/S/RU, LC-37X20E/S/RU

4 – 13

                                            
Does not the picture of the Y/C video signal input to EXT1 go out?
Does not the picture of the Y/C video signal input to EXT2 go out?

TERMINAL UNIT:                 
<EXT1>
Is Y/C video signal sent to pins (20) and (15) of SCART1 
(SC502)?

NO

Check the setting of an external input device that connects of 
SC502.

<EXT2>
Is Y/C video signal sent to pins (20) and (15) of SCART2 
(SC503)?

NO

Check the setting of an external input device that connects of 
SC503.

YES

<EXT1>
Is Y/C signal sent to pins (67), (69) of IC506?

NO

Check the line between SC502 and IC506.

<EXT2>
Is Y/C signal sent to pins (73), (75) of IC506?

NO

Check the line between SC503 and IC506.

YES

Is Y/C signal output to pin (68), (70) of connector SC501 from pin 
(52/Y), (50/C) of IC506?

NO

Check the line between IC506 and SC501.

MAIN UNIT:                          

YES

Is Y/C signal sent to pins (68), (70) of connector (SC1101)?

NO

Check the connector (SC501/SC1101)

YES

Is Y/C signal sent to pins (Y4), (V9) of IC3301 
(VIDEO_PROCESSOR)?

NO

Check the line between SC1101 and IC3301.

YES

Refer to “The picture doesn't appear in all modes.”

LC-32X20E/S/RU, LC-37X20E/S/RU

4 – 14

                                            
Does not the picture of the composite video signal input to EXT3 go out?

MINI AV UNIT:                     
Is CVBS signal output from pin (6) in input terminal J901 to pin 
(5) of connector P901?

NO

Check the line between J901 and P901.

TERMINAL UNIT:                 

YES

Is the CVBS signal input from pin (5) of connector P501 to pin (3) 
of IC506 (VIDEO SELECTOR)? 

NO

Check the line between P501 and IC506.
(Connector P901/P501, etc.)

YES

Is the composite video signal detection signal V3_PLUG signal 
from pin (7) of the input terminal J901 normal? 

NO

Check J901 or peripheral circuits.

YES

Is the V3_PLUG signal input to pin (2) of IC506?

NO

Check the between V3_PLUG_LINE J901 and pin (2) of TERMI-
NAL UNIT's IC506. (ConnectorP901/P501,etc)

YES

Is video signal MAIN_Y/V output into pin (68) of connector 
SC501 from pin (52) of IC506? 

NO

Check the line between IC506 and SC501.

MAIN UNIT:                           

YES

Is picture signal MAIN_Y/V input to pin (68) of connector 
SC1101?

NO

Check the connector (SC501/SC1101)

YES

Is picture signal MAIN_Y/V input to pin (Y4) of IC3301 
(VIDEO_PROCESSOR)?

NO

Check the line between SC1101 and IC3301.

YES

Refer to “The picture doesn't appear in all modes.”

LC-32X20E/S/RU, LC-37X20E/S/RU

4 – 15

                                            
Does not the picture of the Y/C video signal input to EXT3 go out?

MINI AV_UNIT:                    
Is Y/S signal input into pin (13), (11) of connector P901 from pin 
(3)/Y, (4)/C of J902?

NO

Check the line between J901 and P901.

TERMINAL UNIT:                 

YES

Is Y/C signal input into pin (5), (7) of IC506 (VIDEO SELECTOR) 
from pin (13)/Y, (11)/C of connector P501?

NO

Check the line between P501 and IC506.
(Connector P901/P501, etc.)

YES

Is the Y/C video signal detection function S3_PLUG signal from 
pin (6) of the input terminal J902 normal?

NO

Check J902 or peripheral circuits.

YES

Is the S3_PLUG signal input to pin (42) of IC506?

NO

Check the between S3_PLUG_LINE J902 and pin (42) of TER-
MINAL UNIT’s IC506. (connector P901/P501, etc.)

YES

Is Y/C signal output into pin (68), (70) of connector SC501 from 
pin (52)/Y, (50)/C of IC506?

NO

Check the line between IC506 and SC501.

MAIN UNIT:                          

YES

Is Y/C signal input to pin (68), (70) of connector SC1101?

NO

Check the connector (SC501/SC1101)

YES

Is Y/C signal input to pin (Y4), (V9) of IC3301 
(VIDEO_PROCESSOR)?

NO

Check the line between SC1101 and IC3301.

YES

Refer to “The picture doesn’t appear in all modes.”

LC-32X20E/S/RU, LC-37X20E/S/RU

4 – 16

                                            
Does not the picture of the HDMI signal input to EXT4 go out?

MINI AV_UNIT:                    
Is the HDMI detection function output from pin (19) of the HDMI 
terminal (SC1503) normal?

NO

Check between SC1503 and IC1507 (HDMI_SW) of pin (56). 
(IC1508, etc.)

YES

Is EDID data pin (6)/SCL, pin (5)/SDA of IC1505 (EEPROM) 
accessed, and is it read from pin (15), (16) of a HDMI terminal 
(SC1503)?

NO

Is access possible in the re-writing or exchange of EDID data of 
IC1505?

YES

NO

Check the circumference circuit of SC1503, IC1505 and IC1507.

Is TMDS signal input into pin (59,58)/TMDS6_CLK

±, (62, 61)/

TMDS6_D0

±, (65, 64)/TMDS6_D1±, (68, 67)/TMDS6_D2± of 

IC1507 from SC1501?

NO

Check the line between connector (SC802) and IC1507.
(SC802, SC1503 and Wire harness (HM))

YES

Is each signal output from pin (10, 11)/TMDS_CLKP/N, (7, 8)/
TMDS_D0P/N, (4, 5)/TMDS_D1P/N, (1, 2)/TMDS_D2P/N, (77, 
78)/SDA_SINK/SCL_SINK, (79)/DDC5VOR_A of IC1507?

NO

Is the control signal named IC1507 and IC9101 (CPLD) normal?
(HDMI_SW_INT, HDMI_RST, etc.)

YES

Is each signal of IC3301 (VIDEO_PROCESSOR) pin (L1, L2)/TMDS_CLKP/N, (M1, M2)/TMDS_D0P/N, (N1, N2)/TMDS_D1P/N, (P1, P2)/
TMDS_D2P/N, (T11, U11)/SDA_SINK/SCL_SINK, (T10)/DDC5VOR_A input?

YES

NO

Refer to “The picture doesn't appear in all modes.”

Check the line between SC1101 and IC3301.