Sharp LC-32D65E Service Manual page 52

LC-32D65E/RU, LC-37D65E/RU
Does not the picture/sound of the HDMI signal input to HDMI-1/2/3 go out?
Is the Hot plug detection function output from pin (19) of the HDMI-
1(SC1502) normal?
Is the Hot plug detection function output from pin (19) of the HDMI-
2(SC1501) normal?
Is the Hot plug detection function output from pin (19) of the HDMI-
3(SC5301) normal?
Is EDID data pins(11)/SCL1, (10)/SDA1 of IC1504(FRAM) accessed, and
is it read from pins(15, 16) of a HDMI-1(SC1502)?
Is EDID data pins(14)/SCL2, pin(13)/SDA2 of IC1504(FRAM) accessed,
and is it read from pins(15, 16) of a HDMI-2(SC1501)?
Is EDID data pins(5)/SCL3, (6)/SDA3 of IC1504(FRAM) accessed, and is
it read from pins(15, 16) of a HDMI-3(SC5301)?
Is TMDS signal input into pins (54, 53/TMDS1_CLK_P/N), (57, 56/
TMDS1_D0_P/N), (60, 59/TMDS1_D1_P/N), (63, 62/
TMDS1_D2_P/N) of IC1507 (TMDS-SW) from HDMI-1(SC1502)?
YES Is TMDS signal input into pins (39, 38/TMDS2_CLK_P/N), (42, 41/
TMDS2_D0_P/N), (45, 44/TMDS2_D1_P/N), (48, 47/
TMDS2_D2_P/N) of IC1507 (TMDS-SW) from HDMI-2 (SC1501)?
Is TMDS signal input into pins(54, 53/TMDS3_CLKP/N), (57, 56/
TMDS3_D0P/N), (60, 59/TMDS3_D1P/N), (63, 62/ TMDS3_D2P/
N) of IC5301(TMDS-SW) from HDMI-3(SC5301)?
Are TMDS_Rx and the I2C_SINK signal output from IC5301
respectively?
Pins(26, 27/TMDS3H_CLK_P/N), (23, 24/TMDS3H_D0_P/N), (20,
21/TMDS3H_D1_P/N), (17, 18/TMDS3H_D2_P/N), (29, 30/
SCL3H_ SINK/SDA3H_SINK)
Is the TMDS_Rx/ I2C_SINK signal output from IC5301 input to
IC1507(TMDS-SW)?
Pins(6,4 /TMDS3H_CLK_P/N), (8, 7/TMDS3H_D0_P/N), (11, 10/
TMDS3H_D1_P/N), (14, 13/TMDS3H_D2_P/N), (2, 1/SCL3H_
SINK/SDA3H_SINK)
Are TMDS_Rx and the I2C_SINK signal output from IC1507 respectively?
Pins(26, 27/TMDS_CLK_P/N), (23, 24/TMDS_D0_P/N), (20, 21/
TMDS_D1_P/N), (17, 18/TMDS_D2_P/N), (29, 30/SCL_SINK/
SDA_SINK)
Is the TMDS_Rx/ I2C_SINK signal output from IC1507 input to
IC8101(DIGITAL AV DECODER & MAIN CPU & VIDEO PROCESSER)?
Pins(K1, K2/TMDS_CLK_P/N), (L1, L2/TMDS_D0_P/N), (M1, M2/
TMDS_D1_ P/N), (N1, N2/TMDS_D2_P/N), (G2, G3/SCL_SINK/
SDA_SINK)
[External input HDMI-1/2/3] No picture on the display (11)
YES
YES
YES
YES
YES
YES
NO Check the line between SC1502 and pin(50) of
IC1507(TMDS-SW).
NO Check the line between SC1501 and pin(35) of
IC1507(TMDS-SW).
NO Check the line between SC5301 and pin(50) of
IC5301(TMDS-SW).
Check the setting of an external input device that con-
nects with HDMI-1/2/3.
NO Is access possible in the exchange of IC1504?
<HDMI-1/2>
Check the peripheral circuit of SC1501, SC1502, IC1504
and IC1507.
<HDMI-3>
Check the peripheral circuit of SC5301, IC1504 and
IC5301.
NO Check the line between HDMI-1(SC1502) and IC1507.
NO Check the line between HDMI-2(SC1501) and IC1507.
NO Check the line between HDMI-3(SC5301) and IC5301.
NO Check the IC5301 and peripheral circuits.
NO Check the line between IC5301 and IC1507.
NO Check the IC1507 and peripheral circuits.
NO heck the line between IC1507 and IC8101.
YES Refer to "The picture doesn't appear in all modes" or "No
sound output in all modes"
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NO
NO