47
LC-65D90U
TROUBLE SHOOTING TABLE
(Continued)
YES
NO
NO
NO
NO
NO
NO
YES
YES
YES
YES
YES
Onscreen noises with QS drive on
Get started in the monitor process and enter "01" for
PATTERN3 on PATTERN PAGE1. Does noise appear?
Enter "21" for PATTERN3 on PATTERN PAGE1. Does noise
appear?
Check the line between IC4101 and IC4102 and that
between IC4201 and IC4202, and their peripheral circuits.
Enter "11" for PATTERN3 on PATTERN PAGE1. Does noise
appear?
Check the line between IC4101 and IC4103 and that
between IC4201 and IC4203, and their peripheral circuits.
Is the setting on the right of LCD PAGE2 in the process
adjustment mode "T255"?
Check IC4101, IC4201 and their peripheral circuits.
Is the cable properly connected between motor PWB and
TCON-TOP PWB?
Reconnect the cable or replace the cable with new one.
Is there a voltage of 3.3V at pin (75) of IC2301
(Microprocessor: main PWB)?
Thermistor on TCON-BOTTOM PWB defective.
Pin (75) of IC2301 defective.
Check the following and their peripheral circuits: L4101 thru
L4105, L4201 thru L4205, SC4201, SC6201, FPC, LVDS_
unit, SC6202, SC6302, FPC and TCON_BOTTM unit.
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 ...