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LC-60LE855E/K,60/70LE857E/RU,858E,70LE857K

6 – 7

Does not the picture come out when VHF/UHF is received?

In the case of LE855.858 series , refer to (A)

(B)

In the case of LE857 series , refer to (B)

(A)

Does  video signal (CVBS) output from pin[9] of TUNER(TU1105) ?

NO

Check the tuner and its peripheral circuits.
Replace as required.

YES

Does video signal (TUNER_CVBS) input to pin [AN29/
CPU_CVBS0P] of IC3303(Digital AV decode & Main CPU) ?

NO

Check the line between TU1105 and IC3301.
(Q1106, etc...)"

YES

Refer to “No picture on the display (1)”
(B)
Does  video signal (CVBS) output from pin[9] of TUNER(TU1101) ?

NO

Check the tuner and its peripheral circuits.
Replace as required.

YES

Does video signal (TUNER_CVBS) input to pin [AN29/
CPU_CVBS0P] of IC3303(Digital AV decode & Main CPU) ?

NO

Check the line between TU1101 and IC3301.
(Q1106, etc...)"

YES

Refer to “No picture on the display (1)”

Does not the picture come out when DTV is received?

Refer to “No sound (during the reception of TV(DIGITAL) broadcasting)”

Does not the picture come out when DTV(Satellite) is received?

Refer to “No sound (during the reception of TV(DIGITAL-Satellite) broadcasting)”

Does not the picture of the CVBS signal input to EXT1 go out?

Does CVBS signal input to pin[20] of EXT1 (SC505) ?

NO

Check the setting of an external input device that connects with 
EXT1.

YES

Does CVBS signal input to pin [AR30/CPU_CVBS2P] of IC3301
 (Digital AV decode & Main CPU)

NO

Check the line between SC505 and IC3301.

YES

Refer to “o picture on the display (1)”

LC-60LE855E/K,60/70LE857E/RU,858E,70LE857K

6 – 8

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

Does Y/C video signal input to  pins [20/Y , 15/C] of EXT1(SC505) ?

NO

Check the setting of an external input device that connects with 
EXT1.

YES

Does Y/C signal input to pins [AR30/CPU_CVBS2P, AR28/
SC_PR0P] of IC3301 (Digital AV decode & Main CPU) 

NO

Check the line between SC505 and IC3301.

YES

Refer to “No picture on the display (1)”

Does not the picture of the R/G/B signal input to EXT1 go out?

Do RGB signals input to pins[15/RGB_IN_RED/C, 11/
RGB_IN_GREEN and 7/RGB_IN_BLUE ] of EXT1(SC505) ?

NO

Check the setting of an external input device that connects with 
EXT1.

YES

Do RGB signals from EXT1(SC505) input to pins [AR28/SC_PR0P, 
AT28/SC_PB0P and AP27/SC_Y0P] of IC3301 (Digital AV decode & 
Main CPU)

NO

Check the line between SC505 and IC3301.

YES

Refer to “No picture on the display (1)”

Does not the picture of the CVBS signal input to EXT2 go out?

Does CVBS signal input to pin[5] of EXT2 (J511) ?
Is CVBS_PLUG [4/CVBS1_PLUG] of J511 at "L" ?

NO

Check the setting of an external input device that connects with 
EXT2.

YES

Does CVBS signal input to pin [AR31/CPU_CVBS1P] of IC3301 
(Digital AV decode & Main CPU) ?

NO

Check the line between  J511 and  IC3301.

YES

Refer to “No picture on the display (1)”

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

Do COMPONENT signals input to pins [13/COMP1_Y, 10/
COMP1_Pr, 11/COMP1_Pb] of EXT3 (J511) ?

NO

Check the setting of an external input device that connects with 
EXT3.

YES

Do COMPONENT signals input to pins [AU26/COMP_Y1P), (AP26/
COMP_PR1P)  and (AR26/COMP_PB1P] of IC3301 (Digital AV 
decode & Main CPU) ?

NO

Check the line between J511 and IC3301.

YES

Refer to “No picture on the display (1)”

LC-60LE855E/K,60/70LE857E/RU,858E,70LE857K

6 – 9

Does not the picture of the ANALOG-RGB signal input to PC_IN (15pin-D-SUB terminal) go out?

Do ANALOG-RGB and synchronized signal input to pin
[(1, 2, 3)/(PC_RED, GREEN, BLUE), (14 and 13)/(PC_VSYNC, 
H.Sync) ] of PC_IN (SC501) ?

NO

Check the connection and setup with the external PC_IN devices.

YES

Do ANALOG-RGB and synchronized signal input to pins [AR25/
PC_RP, AR24/PC_GP, AU24/PC_BP, and AN25/PC_HSYNC,   
AM25/PC_VSYNC] of IC3301 (Digital AV decode & Main CPU) ?

NO

Check the line between SC501 and IC3301.

YES

Refer to “No picture on the display (1)”

LC-60LE855E/K,60/70LE857E/RU,858E,70LE857K

6 – 10

Does not the picture/sound of the HDMI signal input to HDMI-1/2/3/4 go out?

Is the Hot plug detection function output from pin [19] of the HDMI-
1(SC1501) normal ?

NO

Check the line between SC1501 and pin[59] of IC2601(HDMI-
SW).

Is the Hot plug detection function output from pin [19] of the HDMI-
2(SC1502) normal ?

NO

Check the line between SC1502 and pin[74] of IC2601(HDMI-
SW).

Is the Hot plug detection function output from pin [19] of the HDMI-
3(SC1503) normal ?

NO

Check the line between SC1503 and pin[55] of IC2601(HDMI-
SW).

Is the Hot plug detection function output from pin [19] of the HDMI-
4(SC1504) normal ?

NO

Check the line between SC1504 and pin[50] of IC2601(HDMI-
SW).

YES

NO

Check the setting of an external input device that connects 
with HDMI-1/2/3/4.

Is EDID data pins[58/HDMI1_SCL, 57/HDMI1_SDA] of IC2601accessed, 
and is it read from pins[15, 16] of a HDMI-1(SC1501) ?

NO

Is access possible in the exchange of IC2601 ?

Is EDID data pins[73/HDMI2_SCL, 72/HDMI2_SDA] of IC2601 accessed, 
and is it read from pins[15, 16] of a HDMI-2(SC1502) ?

NO

Is EDID data pins[54/HDMI3_SCL, 53/HDMI3_SDA] of IC2601 accessed, 
and is it read from pins[15, 16] of a HDMI-3(SC1503) ?

Check the peripheral circuit of SC1501/1502/1503/1504 and 
IC2601.

Is EDID data pins[49/HDMI4_SCL, 48/HDMI4_SDA] of IC2601 accessed, 
and is it read from pins[15, 16] of a HDMI-4(SC1504) ?

YES

Do TMDS signals input to pins [26&27/HDMI1_CLKNP, 28&29/
HDMI1_D0NP, 30&31/HDMI1_D1NP, 32&33/HDMI1_D2NP] of IC2601 ?

NO

Check the line between HDMI-1(SC1501) and IC2601.

Do TMDS signals input to pins [17&18/HDMI2_CLKNP, 19&20/
HDMI2_D0NP, 21&22/HDMI2_D1NP, 23&24/HDMI2_D2NP] of IC2601 ?

NO

Check the line between HDMI-2(SC1502) and IC2601.

Do TMDS signals input to pins [8&9/HDMI3_CLKNP, 10&11/HDMI3_D0NP, 
12&13/HDMI3_D1NP, 14&15/HDMI3_D2NP] of IC2601 ?

NO

Check the line between HDMI-3(SC1503) and IC2601.

Do TMDS signals input to pins [99&100/HDMI4_CLKNP, 1&2/
HDMI4_D0NP, 3&4/HDMI4_D1NP, 5&6/HDMI4_D2NP] of IC2601 ?

NO

Check the line between HDMI-4(SC1504) and IC2601.

YES

Do TMDS signals output from pins [87&86/HDMI0_RX_CLKNP_, 85&84/
HDMI0_RX_D0NP_,  83&82/HDMI0_RX_D1NP_,  81&80/
HDMI0_RX_D2NP]  of IC2601 respectively.

NO

Check the IC2601 and peripheral circuits.

YES

Do TMDS signals input to pins [AH34&AH35/HDMI0_RX_CLKNP , 
AG34&AG35/HDMI0_RX_D0NP , AG36&AG37/HDMI0_RX_D1NP , 
AF34&AF35/HDMI0_RX_D2NP]  of IC3301 (Digital AV decode & Main 
CPU)?

NO

Check the line between IC3301 and IC2601.

YES

Refer to  “Refer to “No picture on the display (1)” or  “The sound is not emit-
ted from the Speaker & Woofer though the picture has come out.”