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Check audio input signal of pin (31) of IC3002 (VCT), pins (18) 
and (33) of the power line, pins (84) and (83) of I2C-LINE, and 
peripheral circuits.

No audio output from the 
headphones

No audio output from EXT1 
(SCART) terminal.

Is there audio output on pins 
(2) and (3) of the headphone 
terminal (J1301)?

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 input/output signal of 
pins (3) and (5)/(1) and (7) of 
IC303 (OP-AMP) normal?

Is audio output signal (SPK-
OUT L/R) properly sent from 
pins (28) and (27) of IC3002 
(VCT)?

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

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

Is S-MUTE-LINE [IC1710 (pin 
21)] or S2-MUTE-LINE 
[IC3003 (pin 26)] at H?
(Check Q1102/Q1101 
operation.)

Is audio signal sent from pins 
(22) and (21) of IC3002?

Check the audio signal 
output line from pins (22) and 
(21) of IC3002 to 
Q1103/Q1104/Q1201/Q1202

Check the connection to 
AUDIO OUTPUT terminal 
(J1201) and external devices.

Is S-MUTE-LINE [IC1710 (pin 
21)] at H?
(Check Q1204/Q1203 
operation.)

Is audio signal sent to pins 
(3) and (1) of EXT1 (J1101)?

Is S-MUTE-LINE [IC1710 
(pin 21)] at H?
(Check Q1106/Q1105 
operation.)

Is audio signal sent from 
pins (24) and (23) of 
IC3002?

Check the audio signal 
output line from pins (24) 
and (23) of IC3002 to pins 
(3) and (1) of EXT1.

Check the power supply 8/5 
V pins (18) and (33) of 
IC3002 and peripheral 
circuits.

Is audio signal sent to pins 
(24) and (22) of EXT2 
(J1101)?

Is audio signal sent to pins 
(13) and (15) [L/R (white) 
(red)] of AUDIO OUTPUT 
terminal (J1201)?

No audio output from EXT2 
(SCART) terminal.

No audio output from AUDIO 
OUTPUT terminal.

No picture appears on LCD during the tuner (U/V) reception.

Checklist:
1) Is "INPUT SOURCE" button        on the remote control set up correctly? ••• See the operation manual and set "INPUT SOURCE" to "TV".
2) Is MENU-PICTURE-Contrast/Brightness set to "MIN"? ••• Set it to an appropriate level.
3) Is ANT-CABLE disconnected or connected improperly? ••• Connect it correctly as per the operation manual.

Is level of pins (4) and (5) of 
tuner (TU201) and pins (10) 
and (11) of IC201 (IF-
DEMOD) at H?

These are communications 
lines for control (I2C). Follow 
the path and check whether 
they are forced to L 
(PULL_DOWN).

Is the video signal (IF) sent 
from pin (8) of tuner 
(TU201)?

Check the tuner (TU201) 
and peripheral circuits.

Is video signal sent from pin 
(17) of IC201 (IF-DEMOD)?

Check FL201 (SAW-FIL), 
IC201 and peripheral 
circuits.

Is the video signal VIN1 
(ATUNER-CVBS) sent to pin 
(191) of IC3002 (VCT)?

Check IC201 (IF-DEMOD), 
CONNECTOR 
(P201/SC2705) and 
peripheral circuits.

Is LVDS video signal (LVDS_0N/0P-3N/3P) sent to pins 
(141)/(140) - (129)/(128) of IC3002 (VCTP), and is CLK signal 
(LVDS_CN/CP) sent to pins (132)/(131)?

Check pins (192)/(170)/(133) of BU3.3V line of IC3002 (VCTP), 
pins (185)/(169)/(142) of 1.8V line and peripheral circuits.

Is LVDS video signal (LVDS_0N/0P-3N/3P) sent to pins (12)/(13) - 
(24)/(25) of CONNECTOR CN1 of LCD-CONT-UNIT, and is CLK 
signal (LVDS_CN/CP) sent to pins (21)/(22)?

Check CONNECTOR (P2305, CN1) and HARNESSWIRE (LV).

Is power (LCD5V) supplied to pins (2) – (5) of CONNECTOR CN1 
in LCD-CONT-UNIT?

Replace LCD-CONT-UNIT.

Is LCD5V supplied to pins (31) – (28) of CONNECTOR (P2305)?
Check Harness Wire (LV).

SCART1:
No picture appears on EXT1-connected 
monitor during the tuner (U/V) reception.

SCART2:
No picture from EXT1 appears on EXT2-
connected monitor.
Note: Normally, if the screen during display is 
sent to EXT2, no picture is sent to EXT2.

SCART2:
No picture from EXT3 appears on EXT2-
connected monitor.

Is video signal 
sent to pin (19) of 
SCART1 (J1101)?

Check SCART1, 
external 
connection or input 
setting.

Is video signal 
sent to pin (40) of 
SCART2 (J1101)?

Check SCART2, 
external 
connection or input 
setting.

Is video signal 
sent to pin (40) of 
SCART2 (J1101)?

Check SCART2, 
external 
connection or input 
setting.

Checklist:
1) Are input terminal on back of TV and "INPUT SOURCE" button        on the remote control set up correctly? ••• See the operation manual and set    
    "INPUT SOURCE" appropriately.
2) Is the specified device selected for Signal Type (item) in MENU-Option-Input Select? ••• Set it to "CVBS", "Y/C" or "RGB".
3) Is ANT-CABLE disconnected or connected improperly? ••• Connect it correctly as per the operation manual.
4) The picture is sent to the monitor in a CVBS signal if the source during display is TV, CVBS or Y/C of EXT1-3. When sent by component, etc., that 
    signal is not sent to the monitor.
5) When the monitor picture is not sent and is not displayed on the monitor, refer to “No picture” for each terminal.
6) The video output from EXT1 is not the monitor output (output of the picture now watching). The picture of the last selected TV channel is always sent to 
    EXT1. (Specification)

Is video signal (V-
OUT1) sent from 
pin (2) of IC1102 
(SW)?

Check SCART1 
(J1101) and 
peripheral circuits.

Is video signal (V-
OUT2) sent from 
pin (2) of IC1101 
(SW)?

Check SCART2 
(J1101) and 
peripheral circuits.

Is video signal (V-
OUT2) sent from 
pin (2) of IC1101 
(SW)?

Check SCART2 
(J1101) and 
peripheral circuits.

Is video signal (V-
OUT1) sent from 
pin (195) of 
IC3002 (VCT)?

Check IC3002 
(VCT) and 
peripheral circuits.

Is video signal (V-
OUT2) sent from 
pin (194) of 
IC3002 (VCT)?

Check IC3002 
(VCT) and 
peripheral circuits.

Is video signal (V-
OUT2) sent from 
pin (194) of 
IC3002 (VCT)?

Check IC3002 
(VCT) and 
peripheral circuits.

Is video signal 
(CVBS) sent to pin 
(191) of IC3002 
(VCT)?

Check power 
supply of IC3002 
(VCT) and 
peripheral circuits.

Is video signal 
(VIN1) from EXT1 
sent to pin (190) of 
IC3002 (VCT)?

Check power 
supply of IC3002 
(VCT) and 
peripheral circuits.

Is video signal 
(VIN7) from EXT3 
sent to pin (184) of 
IC3002 (VCT)?

Check power 
supply of IC3002 
(VCT) and 
peripheral circuits.

Is video signal 
(CVBS) sent from 
pin (17) of IC201 
(IF-DEMOD)?

Check 
CONNECTOR 
(P201, SC2705) and 
peripheral circuits.

Check whether 
video signal is sent 
to pin (20) of 
SCART1.

Check SCART1, 
IC2702 (SW), 
CONNECTOR 
(SC2702, P1101) 
and peripheral 
circuits.

Is video signal 
(IN3YV) sent to pin 
(2) of IC1201 
(SW)?

Check pin (184) of 
IC3002 (VCT), 
CONNECTOR 
(SC2703, P1102) 
and peripheral 
circuits.

Is video signal (IF) 
sent from pin (8) of 
tuner (TU201)?

Check IC201, 
FL201 (SAW-FIL), 
Q202 and 
peripheral circuits.

Check SCART1, 
external 
connection or input 
setting.

Is video signal 
(CVBS) sent from 
pin (1) of A/V-
TERMINAL
(J1201)? (EXT3)

Check pin (1) 
(IN3SW) of IC1201 
(SW), power 
supply and 
peripheral circuits.

Check A/V-
TERMINAL
(J1201), external 
connection or input 
setting.

Check 5/35 V power supply pins (7) and (9), 
I2C line pins (5) and (4) of tuner (TU201) and 
peripheral circuits.

No EXT1-Composite 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 "EXT1".
2) Is MENU-PICTURE-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.

No EXT1-RGB output of the external input 
system.

No EXT1-Y/C output of the external input 
system.

Is composite video 
signal sent to pin 
(20) of SCART1 
(J1101)?

Check external 
connection, input 
setting, SCART1 
(J1101) and 
peripheral circuits.

Is RGB signal sent 
to pins (15), (11) 
and (7) of SCART1 
(J1101)?

Check external 
connection, input 
setting, SCART1 
(J1101) and 
peripheral circuits.

Is Y/C signal sent 
to pins (20) and 
(15) of SCART1 
(J1101)?

Check external 
connection, input 
setting, SCART1 
(J1101) and 
peripheral circuits.

Is composite video 
signal (VIN_1) 
sent to input 
terminal pin (6) of 
IC2702 (SW)?

Check 
CONNECTOR 
(SC2702/P1101),
SCART1 (J1101) 
and peripheral 
circuits.

Is RGB signal 
(R1/G1/B1=VIN_6/
5/9) sent to input 
terminal pins 
(187), (175) and 
(182) of IC3002 
(VCT)?

Check 
CONNECTOR 
(SC2702/P1101),
SCART1 (J1101) 
and peripheral 
circuits.

Is Y/C signal 
(VIN1=Y1/C1) sent 
to input terminal 
pins (190) and 
(187) of IC3002 
(VCT)?

Check 
CONNECTOR 
(SC2702/P1101),
SCART1 (J1101) 
and peripheral 
circuits.

Is composite video 
signal
(CVBS1=VIN2)
sent to input 
terminal pin (190) 
of IC3002 (VCT)?

Check IC2702 
(SW) and 
peripheral circuits.

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)?

Check pins (192), (170) and (133) of BU3.3V 
power line and pins (185), (169) and (142) of 
1.8V power line of IC3002 (VCTP), and 
peripheral circuits.

Replace LCD-CONT-UNIT.

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)?

Check CONNECTOR (P2305, CN1) and 
Harness Wire (LV).

Is power (LCD5V) supplied to pins (2) – (5) of CONNECTOR CN1 in LCD-CONT-UNIT?

Is LCD5V supplied to pins (31) – (28) of 
CONNECTOR (P2305)?
Check Harness Wire (LV).