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LC-26P50E
LC-32P50E
LC-37P50E
46
TROUBLE SHOOTING TABLE
(Continued)
NO
NO
NO
NO
The backlight turns on, but no picture appears on the LCD.
A data bit is missing. (Gradation-related)
Is the power supplied to MAIN-PWB?
(P1800: +14V/UR4.5V/UR+3.5/BU+3.3V)
YES
YES
YES
Adjustment process menu: When the PATTERN 1 is set to 2, is
the gradation pattern displayed correctly?
NO
Check the connection of SC4651 and SC4652 of LCD-PANEL-
FPC, IC4502 (LCD-CTL) and its peripheral circuits.
YES
When the QC drive is turned on or off in Menu-Option-Quick
Shoot, is missing of data bit resolved?
NO
Check IC4601 (LVDS) and its peripheral circuits.
YES
Go to ÒWhen the QC drive is turned on, noise appears in the
moving pictureÓ.
Is the output signal of IC4601
(LVDS) sent correctly?
Adjustment process menu: When the PATTERN
1 is set to 2, is the gradation pattern displayed
correctly?
Check IC4502 (LCD-CTL).
YES
Is the input signal of IC4601
(LVDS) sent correctly?
Check IC330
(V-PROCESSOR).
YES
Is pin 25 "LVDS-PD" of IC4601
(LVDS) "H"?
Check IC4601 (LVDS) and its
peripheral circuits.
Check IC2007 (CPLD).
NO
NO
NO
YES
Is the VLS voltage (VLS15V) of
the IC4104 (DC/AC-CONV)
output normal?
Check IC4104 (DC/AC-CONV)
and its peripheral circuits.
YES
Is the VGL voltage (-6V) of the
IC4104 (DC/AC-CONV) output
normal?
Check IC4104 (DC/AC-CONV)
and its peripheral circuits.
YES
Is the VGH voltage (34V) of the
IC4104 (DC/AC-CONV) output
normal?
Check IC4502 (LCD-CTL).
Check IC4104 (DC/AC-CONV)
and its peripheral circuits.
Содержание AQUOS LC-26P50E
Страница 29: ...LC 26P50E LC 32P50E LC 37P50E 31 10 6 List of adjustment process modes Display Examples LC 32P50E ...
Страница 49: ...LC 26P50E LC 32P50E LC 37P50E 51 M E M O ...
Страница 63: ...76 6 5 4 3 2 1 A B C D E F G H LC 26P50E LC 32P50E LC 37P50E Side A Ë POWER Unit ...
Страница 64: ...77 6 5 4 3 2 1 A B C D E F G H LC 26P50E LC 32P50E LC 37P50E Ë POWER Unit Side B ...
Страница 111: ...8 7 1 10 9 6 5 4 3 2 1 A B C D E F G H 11 13 12 15 14 17 16 19 18 21 20 ËAV Unit 1 4 D3 D4 ...
Страница 112: ...8 7 1 10 9 6 5 4 3 2 1 A B C D E F G H 11 13 12 15 14 17 16 19 18 21 20 ËAV Unit 2 4 D5 D6 ...
Страница 113: ...8 7 1 10 9 6 5 4 3 2 1 A B C D E F G H 11 13 12 15 14 17 16 19 18 21 20 ËAV Unit 3 4 D7 D8 ...
Страница 114: ...8 7 1 10 9 6 5 4 3 2 1 A B C D E F G H 11 13 12 15 14 17 16 19 18 21 20 ËAV Unit 4 4 D9 D10 ...
Страница 115: ...8 7 1 10 9 6 5 4 3 2 1 A B C D E F G H 11 13 12 15 14 17 16 19 18 21 20 ËMAIN Unit 1 8 LC 26P50E D13 D14 ...
Страница 116: ...8 7 1 10 9 6 5 4 3 2 1 A B C D E F G H 11 13 12 15 14 17 16 19 18 21 20 ËMAIN Unit 1 8 LC 32P50E D15 D16 ...
Страница 117: ...8 7 1 10 9 6 5 4 3 2 1 A B C D E F G H 11 13 12 15 14 17 16 19 18 21 20 ËMAIN Unit 1 8 LC 37P50E D17 D18 ...
Страница 118: ...8 7 1 10 9 6 5 4 3 2 1 A B C D E F G H 11 13 12 15 14 17 16 19 18 21 20 ËMAIN Unit 2 8 D19 D20 ...
Страница 119: ...8 7 1 10 9 6 5 4 3 2 1 A B C D E F G H 11 13 12 15 14 17 16 19 18 21 20 ËMAIN Unit 3 8 D21 D22 ...
Страница 120: ...8 7 1 10 9 6 5 4 3 2 1 A B C D E F G H 11 13 12 15 14 17 16 19 18 21 20 ËMAIN Unit 4 8 D23 D24 ...
Страница 121: ...8 7 1 10 9 6 5 4 3 2 1 A B C D E F G H 11 13 12 15 14 17 16 19 18 21 20 ËMAIN Unit 5 8 D25 D26 ...
Страница 122: ...8 7 1 10 9 6 5 4 3 2 1 A B C D E F G H 11 13 12 15 14 17 16 19 18 21 20 ËMAIN Unit 6 8 D27 D28 ...
Страница 123: ...8 7 1 10 9 6 5 4 3 2 1 A B C D E F G H 11 13 12 15 14 17 16 19 18 21 20 ËMAIN Unit 7 8 D29 D30 ...
Страница 124: ...8 7 1 10 9 6 5 4 3 2 1 A B C D E F G H 11 13 12 15 14 17 16 19 18 21 20 ËMAIN Unit 8 8 D31 D32 ...
Страница 125: ...8 7 1 10 9 6 5 4 3 2 1 A B C D E F G H 11 13 12 15 14 17 16 19 18 21 20 ËKEY Unit D11 D12 ...
Страница 126: ...8 7 1 10 9 6 5 4 3 2 1 A B C D E F G H 11 13 12 15 14 17 16 19 18 21 20 ËPOWER Unit RDENCA122WJZZ D33 D34 ...
Страница 127: ...8 7 1 10 9 6 5 4 3 2 1 A B C D E F G H 11 13 12 15 14 17 16 19 18 21 20 ËINVERTER Unit LC 26P50E D35 D36 ...
Страница 128: ...8 7 1 10 9 6 5 4 3 2 1 A B C D E F G H 11 13 12 15 14 17 16 19 18 21 20 ËINVERTER Unit LC 32P50E D37 D38 ...
Страница 129: ...8 7 1 10 9 6 5 4 3 2 1 A B C D E F G H 11 13 12 15 14 17 16 19 18 21 20 ËINVERTER Unit LC 37P50E D39 D40 ...
Страница 130: ...6 5 4 3 2 1 A B C D E F G H ËR C LED Unit D41 ...