45
LC-65D90U
TROUBLE SHOOTING TABLE
(Continued)
NO
NO
YES
NO
NO
YES
YES
YES
YES
YES
YES
YES
YES
YES
NO
NO
NO
NO
NO
NO
No picture fr
om HDMI input
With a HDMI equipment connected, is IC1913 (EEPR
OM) accessed b
y
I2C to read the
DDC_I2C_CLOCK/D
A
T
A
data?
Chec
k IC1913 and its per
ipher
al circuits
.
Are the RESET#, INT and SCDT signals inputted and outputted at pins (102), (104) and (103) of
IC1912?
Is the signal inputted from the HDMI
(SC1901) connector to the input ter
minals
R1X0
±
(pins (62) and (63)), R1X1
±
(pins (66)
and (67)), R1X2
±
(pins (70) and (71)) and
R1XC
±
(pins (58) and (59)) of
IC1912 (HDCP_LSI)?
Chec
k the line betw
een IC1912 and IC800 (FPGA).
Chec
k the settings of e
xter
nal HDMI
equipment connected.
Chec
k IC1912 and its per
ipher
al circuits
.
Chec
k IC1912 and its per
ipher
al circuits
.
Chec
k IC1903, IC1901 and their per
ipher
al
circuits
.
Are the HDMI_H and HDMI_L signals outputted from pins (11) and (3) of IC1903 (B
UFFER)?
Are the
Y
, Pb and Pr signals outputted from pins (20), (18) and (16) of IC1901 (MUL
TIPLEXER)?
Are the HDMI_H and HDMI_L signals outputted to pins (2) and (3) of IC1912, as w
ell as the
Y
, Pb and Pr signals to pins (14), (1
7) and (20) of IC1912?
Chec
k IC3807 and its per
ipher
al circuits
.
Chec
k IC3807, IC1903 and their per
ipher
al
circuits
.
Are the HDMI_H and HDMI_L signals outputted from pins (9) and (10) of the A
V
unit's connector PB (P5404)?
Are the
Y
, Pb and Pr signals outputted from pins (22), (20) and (18) of the A
V
unit's connector PB (P5404)?
Chec
k the "PB" har
ness
.
Are the HDMI_H and HDMI_L signals inputted to pins (9) and (10) of the main PWB's connector PB (CN1800)?
Are the
Y
, Pb and Pr signals inputted to pins (22), (20) and (18) of the main PWB's connector PB (CN1800)?
Chec
k IC3701, IC3702 and their per
ipher
al
circuits
.
Are the HDMI_H and HDMI_L signals inputted to pins (26) and (25) of IC3701 (A/D_CONV
.)?
Are the
Y
, Pb and Pr signals inputted to pins (8), (11) and (13) of IC3702 (L.P
.F
.)?
Chec
k IC3700 and its per
ipher
al circuits
.
Are the
Y
, Pb and Pr signals inputted to pins (8), (2) and (14) of IC3700 (A/D_CONV
.)?
Are the
Y
, Pb and Pr signals outputted to pins (20), (18) and (16) of IC3807 (MUL
TIPLEXER)?
Содержание LC-65D90U
Страница 56: ...57 LC 65D90U 56 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H OVERALL WIRING DIAGRAM ...
Страница 57: ...59 LC 65D90U 58 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H SYSTEM BLOCK DIAGRAM ...
Страница 58: ...61 LC 65D90U 60 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H DISPLAY BLOCK DIAGRAM ...
Страница 59: ...63 LC 65D90U 62 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H MAIN BLOCK DIAGRAM ...
Страница 60: ...65 LC 65D90U 64 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H DIGITAL BLOCK DIAGRAM ...
Страница 61: ...67 LC 65D90U 66 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H AV BLOCK DIAGRAM ...
Страница 62: ...69 LC 65D90U 68 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H POWER BLOCK DIAGRAM ...
Страница 72: ...87 86 LC 65D90U 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H DIGITAL Unit Side A ...
Страница 74: ...91 90 LC 65D90U 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H DIGITAL Unit Side B ...
Страница 76: ...95 94 LC 65D90U 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H AV Unit Side A ...
Страница 78: ...99 98 LC 65D90U 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H AV Unit Side B ...
Страница 80: ...103 102 LC 65D90U 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H MAIN Unit Side A ...
Страница 82: ...107 106 LC 65D90U 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H MAIN Unit Side B ...
Страница 84: ...111 110 LC 65D90U 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H TCON TOP Unit Side A ...
Страница 86: ...115 114 LC 65D90U 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H TCON TOP Unit Side B ...
Страница 90: ...122 6 5 4 3 2 1 A B C D E F G H LC 65D90U DC DC Unit Wiring Side ...
Страница 92: ...125 124 LC 65D90U 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H MAIN POWER Unit Side A ...
Страница 93: ...127 126 LC 65D90U 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H MAIN POWER Unit Side B ...
Страница 94: ...129 128 LC 65D90U 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H SUB POWER Unit Side A ...
Страница 95: ...131 130 LC 65D90U 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H SUB POWER Unit Side B ...
Страница 96: ...133 132 LC 65D90U 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H LINE FILTER Unit Wiring Side ...
Страница 166: ...203 LC 65D90U PACKING OF THE SET S7 S8 S6 S1 S4 S14 S4 S13 S9 S8 S5 S3 S2 S7 X1 X2 X3 X4 X5 X6 X7 X8 S10 S11 S12 ...