Sharp LC-60LE822E (serv.man12) Service Manual ▷ View online
LC-60LE822E/LC-60LE822ERU
7 – 9
[External input EXT1] No picture on the display (5)
Does not the picture of the CVBS signal input to EXT1 go out?
Is CVBS signal sent to pin (14) of EXT1 (SC505)?
NO
Check the setting of an external input device that connects with
EXT1.
EXT1.
YES
Is CVBS signal from EXT1 (SC505) sent to pin (AG29/
SC1_CVBS_Y) of IC3302 (Digital AV decode & Main CPU)?
SC1_CVBS_Y) of IC3302 (Digital AV decode & Main CPU)?
NO
Check the line between SC505 and IC3302.
YES
Refer to “The picture doesn't appear in all modes.”
[External input EXT1] No picture on the display (6)
Does not the picture of the Y/C video signal input to EXT1 go out?
Is Y/C video signal sent to pins (14)/Y and (4)/C of EXT1
(SC505)?
NO
Check the setting of an external input device that connects with
EXT1.
EXT1.
YES
Is Y/C signal from EXT1 (SC505) sent to pins (AG29/
SC1_CVBS_Y) and (AG28/SC1_C1) of IC3302 (Digital AV
decode & Main CPU)?
SC1_CVBS_Y) and (AG28/SC1_C1) of IC3302 (Digital AV
decode & Main CPU)?
NO
Check the line between SC505 and IC3302.
YES
Refer to “The picture doesn’t appear in all modes.”
[External input EXT1] No picture on the display (7)
Does not the picture of the R/G/B signal input to EXT1 go out?
Is RGB1 signal sent to pins (4)/RGB_IN_RED/C, (6)/
RGB_IN_GREEN and (8)/RGB_IN_BLUE of EXT1 (SC505)?
NO
Check the setting of an external input device that connects with
EXT1.
EXT1.
YES
Is RGB1 signal from EXT1 (SC505) sent to pins (AH22/RED1),
(AJ22/GREEN_1) and (AJ21/BLUE_1) of IC3302 (Digital AV
decode & Main CPU)?
(AJ22/GREEN_1) and (AJ21/BLUE_1) of IC3302 (Digital AV
decode & Main CPU)?
NO
Check the line between SC505 and IC3302.
YES
Refer to “The picture doesn’t appear in all modes.”
LC-60LE822E/LC-60LE822ERU
7 – 10
[External input EXT2] No picture on the display (8)
Does not the picture of the CVBS signal input to EXT2 go out?
Is a CVBS signal input to pin (3) of EXT8 (J505)?
NO
Check the setting of an external input device that connects with
EXT2.
EXT2.
YES
Is CVBS signal sent to pin (AE29/CVBS_IN) of IC3302?
NO
Check the line between J505 and IC3302.
YES
Refer to “The picture doesn't appear in all modes.”
[External input EXT3] No picture on the display (9)
Does not the picture of the component video signal input to EXT3 (15pin-D-SUB terminal) go out?
Is it selected “Component” by the Audio setup under Menu-
Setup-Option-Input terminal setting - Input select?
NO
Set the “Component”.
YES
Is a COMPONENT video signal input to pins (1)/PC_R_COM,
(2)/PC_G_COM, (3)/PC_B_COM of EXT3 (SC501)?
(2)/PC_G_COM, (3)/PC_B_COM of EXT3 (SC501)?
NO
Check the setting of an external input device that connects with
EXT3.
EXT3.
YES
Is COMPONENT signal sent to pins (AJ17/PC_R_CM), (AJ16/
PC_G_CM) and (AJ15/PC_B_CM) of IC3302?
PC_G_CM) and (AJ15/PC_B_CM) of IC3302?
NO
Check the line between SC501 and IC3302.
YES
Refer to “The picture doesn't appear in all modes.”
[External input EXT3] No picture on the display (10)
Does not the picture of the DVI (ANALOG) video signal input to EXT3 (15pin-D-SUB terminal) go out?
Is it selected “PC (RGB)” by the Audio setup under Menu-Setup-
Option-Input terminal setting - Input select?
NO
Set the “PC (RGB)”.
YES
Are the video signal and the synchronized signal input from pin
(1, 2, 3)/(PC_R, G, B), (14 and 13)/(V, H.Sync) of EXT4 (SC501)?
(1, 2, 3)/(PC_R, G, B), (14 and 13)/(V, H.Sync) of EXT4 (SC501)?
NO
Check the connection and setup with the external DVI devices.
YES
Are the video signal and the synchronized signal input from pins
(AK17/PC__R) (AK16/PC__G) (AH15/PC__B) and (AK14/
PC_HSYNC) (AJ14/PC_VSYNC) of IC3302 (Digital AV decode &
Main CPU)?
(AK17/PC__R) (AK16/PC__G) (AH15/PC__B) and (AK14/
PC_HSYNC) (AJ14/PC_VSYNC) of IC3302 (Digital AV decode &
Main CPU)?
NO
Check the line between SC501 and IC3302.
YES
Refer to “The picture doesn't appear in all modes.”
LC-60LE822E/LC-60LE822ERU
7 – 11
[External input HDMI-1/2/3/4] No picture on the display (11)
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 (SC1503) normal?
NO
Check the line between SC1503 and pin (45) of IC1504 (HDMI-
SW).
SW).
Is the Hot plug detection function output from pin (19) of the
HDMI-2 (SC1502) normal?
HDMI-2 (SC1502) normal?
NO
Check the line between SC1502 and pin (41) of IC1504 (HDMI-
SW).
SW).
Is the Hot plug detection function output from pin (19) of the
HDMI-3 (SC1501) normal?
HDMI-3 (SC1501) normal?
NO
Check the line between SC1501 and pin (35) of IC1504 (HDMI-
SW).
SW).
Is the Hot plug detection function output from pin (19) of the
HDMI-4 (SC1505) normal?
HDMI-4 (SC1505) normal?
NO
Check the line between SC1505 and pin (31) of IC1504 (HDMI-
SW).
SW).
YES
NO
Check the setting of an external input device that connects with
HDMI-1/2/3/4.
HDMI-1/2/3/4.
Is EDID data pins (44/HDMI1_SCL), (43/HDMI1_SDA) of IC1504
accessed, and is it read from pins (15, 16) of a HDMI-1
(SC1503)?
accessed, and is it read from pins (15, 16) of a HDMI-1
(SC1503)?
NO
Is access possible in the exchange of IC1504?
Is EDID data pins (40/HDMI2_SCL), (39/HDMI2_SDA) of IC1504
accessed, and is it read from pins (15, 16) of a HDMI-2
(SC1502)?
accessed, and is it read from pins (15, 16) of a HDMI-2
(SC1502)?
NO
Is EDID data pins (34/HDMI3_SCL), (33/HDMI3_SDA) of IC1504
accessed, and is it read from pins (15, 16) of a HDMI-3
(SC1501)?
accessed, and is it read from pins (15, 16) of a HDMI-3
(SC1501)?
Check the peripheral circuit of SC1502/1503/1505/1501and
IC1504.
IC1504.
Is EDID data pins (30/HDMI3_SCL), (29/HDMI3_SDA) of IC1504
accessed, and is it read from pins (15, 16) of a HDMI-4
(SC1505)?
accessed, and is it read from pins (15, 16) of a HDMI-4
(SC1505)?
YES
Is TMDS signal input into pins (20, 19/HDMI1_CLKP/N), (22,21/
HDMI1_D0P/N), (24, 23/HDMI1_D1P/N), (26, 25/HDMI1_D2P/N)
of IC1504 from HDMI-1 (SC1503)?
HDMI1_D0P/N), (24, 23/HDMI1_D1P/N), (26, 25/HDMI1_D2P/N)
of IC1504 from HDMI-1 (SC1503)?
NO
Check the line between HDMI-1 (SC1503) and IC1504.
Is TMDS signal input into pins (12, 11/HDMI2_CLKP/N), (14, 13/
HDMI2_D0P/N), (16, 15/HDMI2_D1P/N), (18, 17/HDMI2_D2P/N)
of IC1504 from HDMI-2 (SC1502)?
HDMI2_D0P/N), (16, 15/HDMI2_D1P/N), (18, 17/HDMI2_D2P/N)
of IC1504 from HDMI-2 (SC1502)?
NO
Check the line between HDMI-2 (SC1502) and IC1504.
Is TMDS signal input into pins (2, 1/HDMI3_CLKP/N), (4, 3/
HDMI3_D0P/N), (6, 5/HDMI3_D1P/N), (8, 7/HDMI3_D2P/N) of
IC1504 from HDMI-3 (SC1501)?
HDMI3_D0P/N), (6, 5/HDMI3_D1P/N), (8, 7/HDMI3_D2P/N) of
IC1504 from HDMI-3 (SC1501)?
NO
Check the line between HDMI-3 (SC1501) and IC1504.
Is TMDS signal input into pins (66, 65/HDMI4_CLKP/N), (68, 67/
HDMI4_D0P/N), (70, 69/HDMI4_D1P/N), (72, 71/HDMI4_D2P/N)
of IC1504 from HDMI-4 (SC1505)?
HDMI4_D0P/N), (70, 69/HDMI4_D1P/N), (72, 71/HDMI4_D2P/N)
of IC1504 from HDMI-4 (SC1505)?
NO
Check the line between HDMI-4 (SC1505) and IC1504.
YES
Are TMDS_Rx and the I2C_SINK signal output from IC1504
respectively?
Pins (62, 63/SW_TMDS_CLKP/N), (60, 61/SW_TMDS_D0P/N),
(58, 59/SW_TMDS_D1P), (56, 57/SW_TMDS_D2P)
respectively?
Pins (62, 63/SW_TMDS_CLKP/N), (60, 61/SW_TMDS_D0P/N),
(58, 59/SW_TMDS_D1P), (56, 57/SW_TMDS_D2P)
NO
Check the IC1504 and peripheral circuits.
YES
Is the TMDS_Rx/ I2C_SINK signal input to IC3302 (Digital AV
decode & Main CPU)?
Pins (AK6, AJ6/SW_TMDS_CLKP/N), (AK7, AJ7/
SW_TMDS_D0P/N), (AK8, AJ8/SW_TMDS_D1P/N), (AK9, AJ9/
SW_TMDS_D2P/N) from IC1504
decode & Main CPU)?
Pins (AK6, AJ6/SW_TMDS_CLKP/N), (AK7, AJ7/
SW_TMDS_D0P/N), (AK8, AJ8/SW_TMDS_D1P/N), (AK9, AJ9/
SW_TMDS_D2P/N) from IC1504
NO
Check the line between IC1504 and IC3302.
YES
Refer to “The picture doesn't appear in all modes.” or “No sound
output in all modes.”
output in all modes.”
LC-60LE822E/LC-60LE822ERU
7 – 12
<During external connection> No picture on the monitor
No picture appears on EXT1connected monitor during the ATV/DTV reception.
Is CVBS signal output into pin (2) of EXT1 (SC505)?
YES
Check the setting of an external input device that connects with
EXT1.
EXT1.
NO
Is CVBS signal output to pin (2) of IC504?
YES
Check the line between SC505 and IC504.
NO
Is TU_OUT_CVBS_MUTE [pin (1) of IC504] at “H”?
YES
Check the peripheral circuits of IC3302.
NO
Is CVBS signal input to pin (6) of IC504?
YES
Check the IC504 and their peripheral circuits.
NO
Is CVBS signal output to pin (A27) of IC3302 (Digital AV decode
& Main CPU)?
& Main CPU)?
YES
Check the line between IC504 and IC3302.
NO
In the case that No picture appears on EXT1connected monitor during the ATV reception., refer to (A)
In the case that No picture appears on EXT1connected monitor during the DTV reception., refer to (B)
In the case that No picture appears on EXT1connected monitor during the DTV reception., refer to (B)
(A)
(B)
Refer to “No picture on the display (2)”
Refer to “No picture on the display (3)”
[External input Network] No picture on the display
Does not the signal input to Network go out?
Does the signal in/output to pins (1), (2), (3), (4) of LAN-jack
(J9501)?
NO
Check the interface device and peripheral circuits. (power-LED of
hub, LINK-LED of hub)
hub, LINK-LED of hub)
YES
Does the signal in/out to pins (12, 11/TX+-), (10, 9/RX+-) of
IC9501?
IC9501?
NO
Check the line between J9501 and IC9501.
YES
Does the signal in/output to pins [18, 19, 47, 29, 41, 27, 23, 22/
ONDA6~13], [21, 20, 35, 36, 38, 39, 34/ONDD8~14], [28, 33/
N_ONDCE0, N_ONDCE1] of LAN-jack (J9501)?
ONDA6~13], [21, 20, 35, 36, 38, 39, 34/ONDD8~14], [28, 33/
N_ONDCE0, N_ONDCE1] of LAN-jack (J9501)?
NO
Check IC9501 and its peripheral circuits.
YES
Does the signal in/output to pins [A8, B8, C9, C8, A7, F10, A4,
B4/ONDA6~13], [D13, F13, D11, E11, F12, E12, E13/
ONDD8~14], [C6, B3/N_ONDCE0, N_ONDCE1] of IC3302 (Digi-
tal AV decode & Main CPU)?
B4/ONDA6~13], [D13, F13, D11, E11, F12, E12, E13/
ONDD8~14], [C6, B3/N_ONDCE0, N_ONDCE1] of IC3302 (Digi-
tal AV decode & Main CPU)?
NO
Check the line between X9501 and IC9501.
Check the crystal X9501. (SCA219WJ)
Check the crystal X9501. (SCA219WJ)
YES
Check IC9501 and its peripheral circuits.
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