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LC-32RD2E/RU, LC-37RD2E/RU

4 – 3

                                             
No sound from an external input device connected to EXT1 
(SCART1).

<EXT1>                                
Is IN1-L audio signal sent from pin (6) of SCART1 terminal 
(J1101) to pin (14) of IC3001 (VCT)?

NO

Check pins (6) and (2) of SCART1 and connection to an external 
input device.

Is IN1-R audio signal sent from pin (2) of SCART1 terminal 
(J1101) to pin (13) of IC3001 (VCT)?

YES

Refer to “No sound output in all modes”.

                                             
No sound from an external input device connected to EXT2 
(SCART2).

<EXT2>                                
Is IN2-L audio signal sent from pin (27) of SCART2 terminal 
(J1101) to pin (12) of IC3001 (VCT)?

NO

Check pins (27) and (23) of SCART2 and connection to an exter-
nal input device.

Is IN2-R audio signal sent from pin (23) of SCART2 terminal 
(J1101) to pin (11) of IC3001 (VCT)?

YES

Refer to “No sound output in all modes”.

                                             
No sound from an external input device connected to EXT3.

<EXT3>                                
Is IN3-L audio signal sent from pin (3) of J1201 terminal to pin 
(16) of IC3001 (VCT)?

NO

Check pins (3) and (5) of EXT3 (J1201) and connection to an 
external input device.

Is IN3-R audio signal sent from pin (5) of J1201 terminal to pin 
(15) of IC3001 (VCT)?

YES

Refer to “No sound output in all modes”.

                                             
No sound from EXT4 (AUDIO) connecting an external input
device.

<EXT4>                                 
Is D-SUB-L audio signal sent from J2711 to pin (15) of IC2721 
(SW)?

NO

Check the line between J2711 and IC2721.
(Q2711, Q2712, etc.)

Is D-SUB-R audio signal sent from J2711 to pin (2) of IC2721 
(SW)?

YES

Is D-SUB-L audio signal sent to pin (10) of IC3001?
Is D-SUB-R audio signal sent to pin (9) of IC3001?

NO

Check the line between IC2721 and IC3001.

YES

Refer to “No sound output in all modes”.

LC-32RD2E/RU, LC-37RD2E/RU

4 – 4

                                             
No sound from EXT5 (AUDIO) connecting an external input
device.

                                             
Check that Option-HDMI Setup-Audio select is set to “Analog”.

<EXT5>                                

OK

Is HDMI-L audio signal sent from J2701 terminal to pin (14) of 
IC2721 (SW)?

NO

Check the line between J2701 and IC2721.
(Q2701, Q2702, etc.)

Is HDMI-R audio signal sent from J2701 terminal to pin (5) of 
IC2721 (SW)?

YES

Is HDMI-L audio signal sent to pins (10) of IC3001?
Is HDMI-R audio signal sent to pins (9) of IC3001?

NO

Check output of pins (13) and (3) of IC2721 and peripheral cir-
cuits.

YES

Refer to “No sound output in all modes”.

                                             
No sound from an external input device connected to EXT7.

<EXT7>                                
Is EX-L audio signal sent from pin (5) of J1201 terminal to pin 
(12) of IC2721 (SW)?

NO

Check the line between J1401 and IC2721.
(Q1401, Q1402, P1401/P2791, etc.)

Is EX-R audio signal sent from pin (4) of J1201 terminal to pin (1) 
of IC2721 (SW)?

YES

Is EX-L audio signal sent to pin (10) of IC3001 (VCT)?
Is EX-R audio signal sent to pin (9) of IC3001 (VCT)?

NO

Check the line between IC2721 and IC3001.

YES

Refer to “No sound output in all modes”.

LC-32RD2E/RU, LC-37RD2E/RU

4 – 5

                                            
No audio output from EXT1 (SCART) terminal.

                                            
 Checklist:
1) Is the MUTE button on the remote control set to ON? 

••• Set to OFF.

2) Check the connection to external devices. 

••• Is there any improper connection?

                                            
Is audio signal sent to pins (3) (L-ch) and (1) (R-ch) of EXT1 
(J1101)?

YES

Check the connection to EXT1 (J1101) and external devices.

                                            

NO

Is S-MUTE-LINE [IC2301 (62)] at H?

YES

Check the peripheral circuits of IC2301 and S-MUTE_LINE.
(Q1105, Q1106, etc.)

                                            

NO

Is audio signal sent from pins (24) (L-ch) and (23) (R-ch) of 
IC3001? 

NO

Check IC3001 or peripheral circuits.

YES

Check the audio signal output line from pins (24) (L-ch) and (23) 
(R-ch) of IC3001 to pins (3) (L-ch) and (1) (R-ch) of EXT1.
(Q1108, Q1107, etc.)

                                            
No audio output from EXT2 (SCART) terminal.

                                            
Checklist: 
1) Is the MUTE button on the remote control set to ON? 

••• Set to OFF.

2) Check the connection to external devices. 

••• Is there any improper connection?

                                            
Is audio signal sent to pins (24) (L-ch) and (22) (R-ch) of EXT1 
(J1101)?

YES

Check the connection to EXT2 (J1101) and external devices.

                                            

NO

Is S-MUTE-LINE [IC2301 (62)] or S2-MUTE-LINE [IC2301 (63)] 
at H?

YES

Check the peripheral circuits of IC2301 and S-MUTE_LINE/S2-
MUTE_LINE.

                                            

NO

Is audio signal sent from pins (22) (L-ch) and (21) (R-ch) of 
IC3001?

NO

Check IC3001 or peripheral circuits.

YES

Check the audio signal output line from pins (22) (L-ch) and (21) 
(R-ch) of IC3001 to pins (24) (L-ch) and (22) (R-ch) of EXT2. 
(Q1104, Q1103, etc.)

LC-32RD2E/RU, LC-37RD2E/RU

4 – 6

                                            
No audio output from AUDIO_OUTPUT terminal.

                                            
Checklist: 
1) Is the MUTE button on the remote control set to ON? 

••• Set to OFF.

2) Check the connection to external devices. 

••• Is there any improper connection?

                                            
Is audio signal sent to pins (13) (L-ch) and (15) (R-ch) of 
AUDIO_OUTPUT (J1201)?

YES

Check the connection to AUDIO_OUTPUT external (J1201) and 
external devices.

                                            

NO

Is S-MUTE-LINE [IC2301 (62)] at H?

YES

Check the peripheral circuits of IC2301 and S-MUTE_LINE.
(Q1204, Q1203, etc.)

                                            

NO

Is audio signal sent from pins (22) (L-ch) and (21) (R-ch) of 
IC3001?

NO

Check IC3001 or peripheral circuits.

YES

Check the audio signal output line from pins (22) (L-ch) and (21) 
(R-ch) of IC3001 to pins (13) (L-ch) and (15) (R-ch) of 
AUDIO_OUTPUT. (Q1202, Q1201, etc.)

                                             
The unit does not enter the DTV mode. Or, the DTV menu does 
not appear.

YES

Go to “The unit does not enter the DTV mode. Or, the DTV menu 
does not appear.”

NO

No video output during DTV reception.

YES

Go to “No video output during DTV reception. Colour of image 
are not right.”

NO

No audio output during DTV reception.

YES

Go to “No audio output during DTV reception. Sound is low”