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Sharp LL-T1501A, Руководство по обслуживанию

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Sharp LL-T1501A Скачать руководство пользователя страница 15

CHAPTER 4. TROUBLE SHOOTING

1. SYSTEM ARCHITECTURE

2. NO POWER 

     (AC power indicator is not lighted and no display)

POWER
OUTLET

POWER
SWITCH

POWER BD

COMPUTER

USB BD

SENSOR BD

KEY CTRL BD

INTERFACE

BD

INVERTER

BD

LCD MODULE

3. PC NO DISPLY OR DISPLAY ABORMAL

     (AC power indicator is lighted)

NO POWER

1. CHECK IF POWER CORD IS
    CONNECTED PROPERLY.
2. TURN ON POWER SWITCH.

POWER OK?

END

YES

NO

YES

NO

POWER OK?

REPLACE POWER CORD

AND RE-TEST

PEPLA CE

POWER BOARD

YES

YES

NO

NO

NO

END

YES

NO or BAD DISPLAY

DISPLAY OK?

DISPLAY OK?

CHECK THE SIGNAL CABLE
FROM MONITOR TO PC IS
CONNECTECD PROPERLY.

1. CONFIRM THE WIRE BD
    INSTALL TO LCD PANEL
    PROPERLY.
2. TRY ANOTHER KNOWN
    GOOD LCD PANEL

REPLACE I/F BD
OR TRY REPLACE
THE CABLE WHICH
FROM I/F BD TO
SENSOR BD

DISPLAY OK?

1. CONFIRM INVERTER BD IS GOOD.
2. CHECK ALL THER CABLES FRON
    INVERTER BD TO I/F BD ARE
    CONNECTED PROPERLY.

Содержание LL-T1501A

Страница 1: ...ING 14 CHAPTER 5 BLOCK DIAGRAM 16 CHAPTER 6 CIRCUIT DIAGRAM 18 CHAPTER 7 PARTS LAYOUT 25 CONTENTS Parts marked with are important for maintaining the safety of the set Be sure to replace these parts with specified ones for maintaining the safety and performance of the set SHARP CORPORATION This document has been published to be used for after sales service only The contents are subject to change w...

Страница 2: ...timings Display mode Hsync kHz Vsync Hz Dot frequency MHz VESA 640x480 31 5kHz 60Hz 25 175MHz 37 9kHz 72Hz 31 5MHz 37 5kHz 75Hz 31 5MHz 800x600 35 1kHz 56Hz 36 0MHz 37 9kHz 60Hz 40 0MHz 48 1kHz 72Hz 50 0MHz 46 9kHz 75Hz 49 5MHz 1024x768 48 4kHz 60Hz 65 0MHz 56 5kHz 70Hz 75 0MHz 60 0kHz 75Hz 78 75MHz US text 720x400 31 5kHz 70Hz 28 3MHz Power Macintosh series 640x480 35 0kHz 67Hz 30 5MHz 832x624 49...

Страница 3: ...or works with DDC1 and DDC2B 2 PRODUCT DESCRIPTION Front view 1 Power button Pressing this button turns the power on when the main power switch is on After turning the power on it may take a little time before the screen displays Press the button again to turn the power off 2 Power LED This LED is lit green when in use and orange when in power sav ing mode 3 buttons When the On Screen Display OSD ...

Страница 4: ...hat it cannot be transported The theft prevention hole works in conjunction with Kensington Micro Saver Security Systems RGB signal cable This is to be connected to the computer s analog RGB output terminal Power connector The power cord is connected here Ventilation openings Note Never block the ventilation openings as this may lead to overheating inside the monitor and result in malfunction Main...

Страница 5: ...disk drive is A drive 1 Place the Monitor Settings Adjustment Disk provided into the computer s A drive 2 Click on the Start button From Settings choose Control Panel 3 Double click on Display 4 Click on Settings Advanced Properties and Monitor then Change 5 Click on Have Disk confirm that Copy manufacturer s files from is A then click OK 6 Confirm that the monitor details are selected and click O...

Страница 6: ...he Add New Hardware Wizard has not appeared This explanation assumes that the floppy disk drive is A drive 1 Place the Monitor Settings Adjustment Disk in the computer s A drive 2 Click on the Start button From Settings choose Control Panel 3 Double click on Display 4 Click on Settings Advanced and Monitor 5 In Options check Automatically detect Plug Play monitors and click on Change 6 Check Speci...

Страница 7: ...ve 2 Open My Computer and select 3 Floppy A If using Windows 3 1 open File Manager and choose A drive 3 Double click on Adj_uty exe to run the Adjustment Program The Adjustment Pattern will appear Notes After completing the adjustments press the computer s Esc key to exit the Adjustment Program If the floppy disk drive of your computer is not A drive please read the below substituting the floppy d...

Страница 8: ...positioning MENU 2 GAIN CONTROL BLACK LEVEL CONTRAST DISPLAY COLORS MENU 3 WHITE BALANCE WHITE BALANCE color tone MENU 4 MODE SELECT OSD H POSITION OSD horizontal position OSD V PO SITION OSD vertical position 400LINES resolution SCALING level of scaling 1 Display an image that makes the entire screen very bright If using Windows you can open and use the Adjustment Pattern on the accompanying Moni...

Страница 9: ...one can be adjusted as necessary As adjustments are made before shipment there is no real necessity for further alteration Notes On settings other than STD not all graduations can be dis played To display all graduations set to STD Selecting USER will display the setting values for R CON TRAST G CONTRAST and B CONTRAST in order to make fine adjustments To choose a menu option SELECT button To go t...

Страница 10: ... on the section to be attached The arm must not fall off or break off after being attached to the monitor If an arm is attached a USB hub cannot be used This is because the arm is installed inside the monitor stand Please be careful not to hurt your fingers or injure yourself 1 Turn off the main power switch and remove the power plug 2 Remove the rear cover Place your hand on the upper opening of ...

Страница 11: ...itor with four screws Information The screws used to attach the arm should be M4 screws with a length of 4 6 mm protruding from the surface to be attached Using any other kind of screw may lead to the monitor falling off or damage to the internal part of the monitor 12 Connect the AC adapter purchased separately Connect the AC adapter s DC plug to the AC adapter s connec tion terminal and place th...

Страница 12: ...arm upward to remove 3 Remove the screw and remove the hinge cover A 4 Remove the four screws and remove the inside cover 5 Remove the screw and remove the clamp 6 remove the connector and tie cable 7 Remove the four screws securing the hinge Now the LCD and stand can be separated from each other 2 1 1 2 2 1 1 1 2 2 1 1 ...

Страница 13: ... not remove the LCD module and I F board 3 Remove the four screws and remove the LCD unit and angle 4 Remove the two connectors and four screws Lift the LCD unit in the direction indicated by the arrow Remove the two screws and remove the connector 5 Remove the five screws and cables Remove the I F board 6 Remove the two screws and cables Remove the inverter board 2 1 1 3 1 1 1 1 2 3 2 3 2 2 2 1 4...

Страница 14: ...e hinge 3 Remove the screw securing the hinge 4 Remove the screw securing the grounding wire Remove the base metal 5 Remove the four screws and remove the USB board 6 Remove the three screws Lift the power supply board in the direction indicated by the arrow Remove the two connectors 1 2 2 2 2 2 2 3 4 5 2 1 1 3 4 3 5 ...

Страница 15: ...ED PROPERLY 2 TURN ON POWER SWITCH POWER OK END YES NO YES NO POWER OK REPLACE POWER CORD AND RE TEST PEPLA CE POWER BOARD YES YES NO NO NO END YES NO or BAD DISPLAY DISPLAY OK DISPLAY OK CHECK THE SIGNAL CABLE FROM MONITOR TO PC IS CONNECTECD PROPERLY 1 CONFIRM THE WIRE BD INSTALL TO LCD PANEL PROPERLY 2 TRY ANOTHER KNOWN GOOD LCD PANEL REPLACE I F BD OR TRY REPLACE THE CABLE WHICH FROM I F BD TO...

Страница 16: ...CTRL BD I F BD DISASSEMBLY FUNCTION OK FUNCTION OK REPLACE KEY CTRL BOARD REPLACE I F BD OR TRY REPLACE THE CABLE WHICH FROM I F BD TO KEY CTRL BD FUNCTION OK FUNCTION OK REPLACE I F BD OR TRY REPLACE THE CABLE WHICH FROM I F BD TO SENSOR BD 1 CHECK THE OTHER FUNDION KEY AVAILABLE 2 CHECK THE CABLE FROM I F BD TO SENSOR BD IS CONNECTED PROPERLY PHSH HOT KEY NO FUNCTION 1 REPLACE KEY CTRL BOARD 2 R...

Страница 17: ...SIGNAL INPUT 2 3 4 6 RGB H V INPUT POWER UNIT AC SW AC INPUT DOWNSTRAEM UPSTRAEM 5 KEY SWITCH UNIT AUTO BRIGHTNESSS UNIT INTERFACE UNIT 7 ONLY 1511A AC ADAPTER USB HUB UNIT DC POWER FROM PC FROM PC TO USB DEVICE STAND UNIT DISPLAY UNIT CHAPTER 5 BLOOK DIAGRAM ...

Страница 18: ...GND GND GND 56 MODE Timing signal select 57 Vcc 5V power supply 58 Vcc 5V power supply 59 Vcc 5V power supply 60 Vcc 5V power supply JP6 To Inverter Terminal Used connector PH_6 Pin No Symbol Function 1 ON OFF HIGH ON LOW OFF 5V 2 GND GND 3 BRIGHT Brightness control of inverter 5V 4 GND GND 5 12V 12V IN 6 12V 12V IN JP4 To Key Switch Board Terminal Used connector PH_9P Pin No Symbol Function 1 KEY...

Страница 19: ...T 12 V S S IN 11 V TIME GATESW 10 V DET 9 V IN 8 COM H DET 7 COM H IN 6 GND 5 G IN 4 CLAMP SW 3 V STATE 2 H STATE 1 VD 13 HD 14 HD 15 CLAMP O P 17 H POL 18 V POL 19 CLAMP TIME 20 VCC 16 B69 80z 100M 1 2 C60 47P R1 10K R30 3K R24 NA 1 2 U5 24C21 VCC 8 TEST 1 NC 2 WP 3 VSS 4 VCLK 7 SCL 6 SDA 5 C1 22uF 16V R17 0 RP7 33 8 1 7 2 6 3 5 4 C21 0 1uF R122 0 R12 100 C30 22uF 16V D7 1N4148 A K C18 22uF 16V C...

Страница 20: ...f 16V C109 33P 1 2 JP4 PH_9 1 2 3 4 5 6 7 8 9 C156 1uF 1 2 R101 15K D13 1N4148 A K R86 130 1 2 C85 22P C160 0 1uF C110 33P 1 2 C158 1000P C76 1uF 1 2 R88 470 NA C84 22P C159 1uF 1 2 C78 10uF 16V CPWX4 3 1 2 C69 33P 1 2 C111 33P 1 2 C151 0 1uF 1 2 R108 10K Y2 20MHz 22P D12 RLZ15A A K R90 100K F1 RGE500 R100 470 R84 10K 1 2 CHOCK1 R6H_6X10 1 2 Q3 HUF75307D G D S RP14 4 7K 4 8 1 7 2 6 3 5 4 Q14 MMBT3...

Страница 21: ... 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 C114 33P 1 2 R121 4 7K B60 120z 100M 1 2 C147 33P 1 2 B50 120z 100M 1 2 C116 33P 1 2 FD5 FIDUCIAL MARK 1 Q13 MMBT3904L FD6 FIDUCIAL MARK 1 C148 33P 1 2 B48 120z 100M 1 2 C117 33P 1 2 C98 0 1uF C123 33P 1 2 MTG5 ID3 2 OD8 0 4 5 6 7 9 10 1 2 3 8 11 12 C93 N A 1 2 B28 120z 100M 1 2 C122 33P 1 2 B29 120z 100M 1 2 C118 33P 1 2 MTG1 ID3 2 O...

Страница 22: ...0 5 1 2 3 4 6 7 8 9 DN1_DP DN1_DM DN2_DP DN2_DM VCC C1 0 1U 3 3V C2 0 1U R10 560K R12 560K R14 100K R16 100K R11 560K R13 560K R15 100K R17 100K PSTSIN2 PWON2 PSTSIN1 PWON1 4 5 6 12 11 10 3 2 1 7 8 9 7 8 9 3 2 1 4 5 6 12 11 10 4 5 6 12 11 10 3 2 1 7 8 9 7 8 9 3 2 1 4 5 6 12 11 10 MTG1 ID3 5 OD7 0 MTG2 ID3 5 OD7 0 MTG3 ID3 5 OD7 0 MTG4 ID3 5 OD7 0 1 1 1 1 1 1 FD1 FIDUCIAL MARK FD3 FIDUCIAL MARK FD5...

Страница 23: ...UP DOWN HOT KEY R G 3 KEY_CTRL PWB PH_9 JP1 KEY_MENU KEY_SELECT KEY_UP KEY_DOWN HOT_KEY SOFT_PWR 1 2 3 4 5 6 7 8 9 3 1 2 LED1 DLED 1 3 2 4 6 5 SW6 SW_DPST 1 2 3 4 SW5 1 2 3 4 SW4 1 2 3 4 SW3 1 2 3 4 SW2 1 2 3 4 SW1 ...

Страница 24: ... 9001 GND GND C3 10u 16V R10 51K R9 50K R6 100K R7 51K 6 8 4 5 3 U1B LM358 SO8 C1 GND GND 0 05uF GND Q1 MMBT3904L R11 10K 5V R4 10K C2 0 1uF R1 10K R2 51K R3 100K 5V 2 3 1 GND 8 4 U1A LM358 SO8 AUTO_BRI_CTRL GND 5V GND C4 0 1uF 1 2 3 4 JP1 HEADER_4 ...

Страница 25: ...5 POWER SUPPLY PWB ...

Страница 26: ...1 INTERFACE PWB LAYOUT LL T1511A T1501A CHAPTER 7 PARTS LAYOUT ...

Страница 27: ...2 INTERFACE PWB LAYOUT LL T1511A T1501A ...

Страница 28: ...3 USB PWB LAYOUT LL T1511A T1501A ...

Страница 29: ...4 USB PWB LAYOUT LL T1511A T1501A ...

Страница 30: ...5 KEY PWB LAYOUT LL T1501A 6 KEY PWB LAYOUT LL T1511A ...

Страница 31: ...7 SENSOR PWB LAYOUT LL T1511A ...

Страница 32: ...oredinaretrievalsystem ortransmitted Inanyformorbyanymeans electronic mechanical photocopying recording orotherwise withoutpriorwrittenpermissionofthepublisher SHARP CORPORATION Digital Document Systems Group Quality Reliability Control Center Yamatokoriyama Nara 639 1186 Japan 2001 February Printed in Japan ...

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