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PC-UM10M

LL-T1815 PARTS LAYOUT

8 – 1

CHAPTER 8. PARTS LAYOUT

POWER BOARD

Содержание LL-T1815B

Страница 1: ...re subject to change without notice CODE 00ZLLT1815SME LCD MONITOR LL T1815H MODEL LL T1815B CHAPTER 1 OUTLINE OF THE PRODUCT NOMENCLATURE AND FUNCTION 1 1 CHAPTER 2 CONNECTION ADJUSTMENT OPERATION AND FUNCTIONS 2 1 CHAPTER 3 DISASSEMBLY AND ASSEMBLY 3 1 CHAPTER 4 TROUBLE SHOOTING 4 1 CHAPTER 5 WAVE FORM 5 1 CHAPTER 6 BLOCK DIAGRAM 6 1 CHAPTER 7 CIRCUIT DIAGRAM 7 1 CHAPTER 8 PARTS LAYOUT 8 1 Model...

Страница 2: ...acteristics thermister Its resistance becomes high when heated by an overcurrent and shuts down the circuit similarly with a fuse When it is cooled down by non conduction its resistance returns to a low level and allows a current to flow through the circuit If a user erroneously allows an overcurrent to flow through an USB device the PTC101 cuts off the current When repaired it returns to normal N...

Страница 3: ...VI based on DMPM Input signal terminal Analog 15 pin mini D sub 3 rows Digital Analog 29 pin DVI I u 2 Speaker output 1W 1W Audio input terminal Mini stereo jack Headphone terminal Mini stereo jack Height adjustment Adjustment range Approx 80 mm Screen rotation Clockwise 0 90 Screen tilt Upward approx 0 30 downward approx 0 5 Screen swivel Approx 90 from left through right Power supply AC100 240V ...

Страница 4: ... 31 5MHz 720 u 400 37 9kHz 85Hz 35 5MHz 800 u 600 35 1kHz 56Hz 36 0MHz 37 9kHz 60Hz 40 0MHz 48 1kHz 72Hz 50 0MHz 46 9kHz 75Hz 49 5MHz 53 7kHz 85Hz 56 25MHz 1024 u 768 48 4kHz 60Hz 65 0MHz 56 5kHz 70Hz 75 0MHz 60 0kHz 75Hz 78 75MHz 68 7kHz 85Hz 94 5MHz 1152 u 864 67 5kHz 75Hz 108 0MHz 1280 u 960 60 0kHz 60Hz 108 0MHz 1280 u 1024 64 0kHz 60Hz 108 0MHz 80 0kHz 75Hz 135 0MHz US text 720 u 400 31 5kHz ...

Страница 5: ...signals input termi nals Input terminal 1 0 Input terminal 2 2 MENU button This button is used to pop up select and close the OSD On Screen Display Menu 3 c button This button is used to select menu options when the OSD Menu is displayed 4 e d buttons When the OSD Menu is displayed These buttons are used to increase or decrease the value of a selected option When the OSD Menu is not displayed Thes...

Страница 6: ...ght or width to suit the dis played content Before rotating move the display to its uppermost position If the dis play is rotated while it is set low it will contact the stand and could lead to damage The display can only be rotated through a range of 90 Applying excessive force may cause malfunction Do not apply excessive force when the cable is connected To set to long height Gently turn in the ...

Страница 7: ...ful not to pinch the cable If the cover is hard to refit do not force it Check whether cables are trapped Caution If the display is to be rotated first house the cable and then check while gently turning the display If it cannot be turned rehouse the cable with sufficient slack If there is insufficient cable length rotation will be impossible Forcing rotation may cause cable disconnection CONNECTI...

Страница 8: ...button and d button simultaneously and while doing this press the POWER button i e turn the power on 3 Set the input terminal to which the Belkin ADC DVI adapter is con nected to ON Use the SELECT button to select INPUT1 or INPUT2 and use the e d buttons to select ON and OFF Do not set to ON if you are not using a Belkin ADC DVI adapter as this may result in incorrect display 4 Press the power but...

Страница 9: ...l light up orange 3 Turn on the computer When a signal is input from the computer the power LED lights up green and the screen is displayed After power is turned on it may take a little time until the screen is displayed If the input terminal to which the computer is connected has not been selected the screen will not be displayed If necessary perform input terminal switching right column Notes wh...

Страница 10: ...ch the arm or stand Be careful not to overly bend the cable or add extension cords as this could lead to malfunction While following these instructions please also refer to the installation instructions in the operation manual included with the arm or stand 1 Remove the cable 2 Spread out a soft cloth on a suitable horizontal surface 3 Being careful not to damage the monitor gently lay the monitor...

Страница 11: ...ck Next 9 Input your Customer information User Name and Organization 10 Click Next 11 Click on Install Installation will begin 12 When the message indicating installation is finished is displayed click Next 13 Click on Finish 14 Click on Yes and restart the computer For Macintosh 1 Quit all applications being used 2 Load the accessory CD ROM into the CD ROM drive of the com puter 3 Open the CD ROM...

Страница 12: ...out 3 sec ȁWhen key release is set the black display is shown and ADJUSTMENT UNLOCKED is displayed for about 3 sec ȁWhen key lock is set all the keys except for the power key are disabled 1 All reset of the adjustment values 2 Reset of the ADJUSTMENT menu 4 Backlight brightness adjustment 5 Speaker sound volume adjustment 6 Display adjustment 3 Adjustment lock and lock release While pressing turn ...

Страница 13: ...enu is shown n When the diagnostic is executed the display shows Red Green Blue Yellow Purple Light Blue White Black repeatedly n When the diagnostic is executed all the keys except for the power key are disabled n Turn off the power to terminate the diagnostic 10 Information display While pressing turn on the power n Valid even when there is no input signal n The model name the serial No and the ...

Страница 14: ...ghtly bluer than standard STD Color tone standard setting Color tone slightly redder than standard WARM Color tone redder than standard USER R CONTRAST e button for blue green d button for red G CONTRAST e button for purple d button for green B CONTRAST e button for yellow d button for blue GAMMA 10 10 Adjust so that dark and bright images are easy to see If the screen is dark and hard to see incr...

Страница 15: ...rear cabinet 3 2 Remove the seven screws C and remove the PWB shield 4 3 Remove the harnesses D F Remove the three screws E and remove the PWB 5 4 Remove the harnesses G H Remove the 18 screws and remove the main PWB 6 5 Remove the harness J Remove the five screws K and remove the power supply PWB 7 6 Remove the eight screws L and remove the angle 8 from the LCD unit 9 7 Remove the front cabinet F...

Страница 16: ...Remove the cover 3 3 Remove the six screws B and remove the 4 4 Remove one screw C and remove the cover 5 5 Remove the two screws D and remove the 6 6 Remove the two screws E and remove the 7 7 Pull the 9 out of the 8 8 Remove the two screws F and remove the F 9 Remove one screw G and remove the G 10 Remove the three screws H and remove the H 11 Remove the 17 screws and remove the I J and K ...

Страница 17: ...n the RGB cable is connected again does the LED keep Green Without changing from Green to Orange 3 No Execute 2 4 Yes Does the B L light up Light leaks from clear ance of lead wires on the sheet metal side 3 No Execute 3 4 Yes Does the display work properly in each video mode 3 No Execute 4 4 Yes There is no abnormality 1 4 Is 5V Main PWB LD69 outputted 3 No Check IC28 and its peripheral circuits ...

Страница 18: ...ck Q6 peripheral circuits 4 Yes Is 21PIN of IC16 oscillating 3 No Check IC 16 and the clock circuit in the peripheral of X2 4 Yes Is the pin on the C113 side of X1 oscillating 3 No Check IC18 and the clock circuit in the peripheral of X1 4 Yes Are the signal waveforms of LD11 and LD12 LD5 LD6 normal 3 No Check the analog signal cable and CN1 CN2 4 Yes Is the signal waveform of LD14 LD15 normal 3 N...

Страница 19: ...amp in the LCD module 4 4 Are LD60 and LD61 at DC 5V 3 No Check the DC 5V power line and IC25 peripheral circuits 4 Yes Is LD64 at DC 3 3V 3 No Check the DC 3 3V power line and IC26 peripheral circuits 4 Yes Is LD65 at DC 2 5V 3 No Check the DC 2 5V power line and IC27 peripheral circuits 4 Yes Does the whole display remain black 3 Yes Is the voltage across fuse F1 at DC 12 0V 3 No Check F1 IC14 a...

Страница 20: ...l section shifted by varying BRIGHT CONTRAST with the gradation pattern 3 Yes Display the RGB color gradation of RN1 RN12 output data lines and check the line where there is any abnormality 4 No Check IC10 IC11 and IC12 peripheral circuits Are the adjustment contents saved after comple tion of adjustment of the display 3 No Check IC13 and IC16 peripheral circuits 4 Yes Can the inputs be switched n...

Страница 21: ...ide CN1 side when viewed from you 4 Yes Is 2PIN of Q16 at the GND level 3 No Check SW1 and R258 4 Yes Are 1PIN and 13PIN of IC6 changed normally 3 No Check IC6 peripheral circuits 4 Yes Are signal waveforms provided at 12PIN 19PIN of IC18 3 No ICheck IC18 and IC19 peripheral circuits 4 Yes Check 31 32 33 35 and 44PIN of IC15 If there is no abnormality IC15 or IC19 is defective Is the audio cable c...

Страница 22: ...veform Display pattern 1 IC16 s 21PIN XIN1 Arbitrary 2 X1 s PIN on C113 side XIN2 Arbitrary 3 LD12 VSYNC Arbitrary 4 LD11 HSYNC Arbitrary 5 LD20 LCD CLK Arbitrary 6 LD21 LCD DE Arbitrary 7 IC23 s 29 30 41 42PIN LVDS CK Arbitrary 8 RN1 RN12 LCD DATA Pattern in every 2 lines of black and white 9 RN1 RN12 LCD DATA Pattern in every 2 lines of black and white 10 IC8 side of C7 C11 C15 RGB OUT 16 monoch...

Страница 23: ...LCD DE LD21 Frequency 64Hz Display screen Arbitrary 2V DIV 5µs DIV WAVE FORM7 LVDS CK IC23 s 29 30 41 42PIN Frequency 54kHz Display screen Arbitrary 500mV DIV 10ns DIV WAVE FORM8 LCD DATA RN1 RN12 Display screen Pattern in every 2 lines of black and white 2V DIV 4µs DIV GND GND GND GND GND GND WAVE FORM9 LCD DATA RN1 RN12 Display screen Pattern in every 2 lines of black and white 2V DIV 20ns DIV E...

Страница 24: ...µs DIV WAVE FORM11 SDRAM I O DATA IC10 11 12 s 2 3 5 6 8 9 11 12 39 40 42 43 45 46 48 49PIN Display screen 16 monochromatic gradation patterns 51V DIV 2µs DIV GND GND GND WAVE FORM11 SDRAM I O DATA IC10 11 12 s 2 3 5 6 8 9 11 12 39 40 42 43 45 46 48 49PIN Display screen Pattern in every 2 lines of black an white 1V DIV 50ns DIV Enlarged ...

Страница 25: ... T _EN I C 2 6 PQ1 C Z 2 1 H 2 Z 3 3 V I C 2 5 PQ1 C Z 2 1 H 2 Z 5 V I C 2 7 PQ1 C Z 2 1 H 2 Z 2 5 V Power supply unit D V C C A V C C DV 3 3 DV 2 5 V 1 2 B L T VR O N O F F X 3 X TA L 2 4 MHz I C 1 7 P S T 5 9 8 R E S E T I C T R A RES E T M E N U S E L E C T INP U T PW_ I N I N 1 I C7 BU 9 8 8 2 F I C4 74L V C 8 6 A H H 1 C N8 B A C K L I GHT INV E R T E R C O N 1 AC I n l e t F 1 F US E F 2 F U...

Страница 26: ...2 13 14 15 16 17 18 19 20 21 22 23 24 RIN1 HDET GIN1 GND BIN1 GND RIN2 GND GIN2 GND BIN2 VIN1 VIN2 VOUT BOUT CTL CSOUT CV_IN GOUT VCC ROUT HOUT HIN2 HIN1 R7 2 7kJ R24 EMPTY FB1 BLM18PG600SN1 R2 EMPTY R28 0J R71 4 7kJ R19 33J R50 EMPTY LD17 C10 10uF B 3216 R14 2 7kJ D6 DAN217U 3 2 1 C3 10uF 3216 R47 2 7kJ C6 0 1uF R20 EMPTY LD9 R30 4 7kJ R76 33J R29 330J D10 DAN217U 3 2 1 R1 33J D5 DAN217U 3 2 1 C2...

Страница 27: ... 1 AHSY 1 AGREEN 1 ANGND 1 AVSY 1 ANALOG_SEL 5 DIGITAL_SEL 5 DGND DGND MVCC DGND DGND MVCC R92 4 7kJ R91 4 7kJ R94 47kJ R93 1kJ IC7 BU9882F 1 2 3 4 5 6 7 8 9 10 11 12 13 14 SCL_PC0 SDA_PC0 NC SCL_PC1 SDA_PC1 NC GND SDA_MON SCL_MON DDCENA BANKSEL DUAL_PCB WPB VCC R89 4 7kJ D14 RB715F 2 3 1 R88 4 7kJ R87 4 7kJ FB2 BLM18PG600SN1 R83 EMPTY CN2 SD 74320 1004 1 2 4 5 6 7 9 10 12 13 16 17 18 20 21 23 24 ...

Страница 28: ...DVDD_3 3 DVDD_3 3 DVDD_3 3 DVDD_3 3 DVDD_3 3 DGND DGND DGND DGND DGND DGND DGND DGND DGND DGND DGND DGND DGND DGND DGND DGND DGND DGND DGND DGND DGND DGND DGND DGND DGND DGND DGND DGND DGND DGND DGND DGND DGND DGND DGND DGND DGND RED RED GREEN GREEN BLUE BLUE ADC_TEST RX2 RX2 RX1 RX1 RX0 RX0 RXC RXC CLKOUT REXT VBUFC XTAL TCLK VSYNC HSYNC ANTEST VDACP EXTCLK VCLK YUV7 YUV6 YUV5 YUV4 YUV3 YUV2 YUV1...

Страница 29: ...9 DQ10 DQ11 DQ12 DQ13 DQ14 DQ15 CLK CKE CS RAS CAS WE LDQM UDQM NC VCC VCC VCCQ VCCQ VCCQ VCCQ VSS VSS VSSQ VSSQ VSSQ VSSQ C131 0 1uF R110 EMPTY C134 220pF R111 10kJ R121 10kJ R125 EMPTY C124 0 1uF R120 EMPTY C118 220pF C115 0 1uF IC11 HY57V161610DTC 7 21 22 23 24 27 28 29 30 31 32 20 19 2 3 5 6 8 9 11 12 39 40 42 43 45 46 48 49 35 34 18 17 16 15 14 36 37 1 25 7 13 38 44 26 50 4 10 41 47 A0 A1 A2 ...

Страница 30: ...3216 R257 2 2kF R159 EMPTY x 6 R253 1kJ R256 3 9kJ R170 EMPTY R141 10kJ FB9 BLM18AG121S N1 LD31 FB8 BLM18AG121S N1 R215 C138 0 1uF R218 FB11 BLM18AG121S N1 R275 IC17 PST598I 1 2 3 4 5 M R SUB GND VOUT VCC Q6 DTC143EE 2 3 1 C149 D25 UDZS5 6B R181 R149 1kJ FB10 BLM18AG121S N1 LD66 IC18 SN74ABT573ANS 2 3 4 5 6 7 8 9 11 1 19 18 17 16 15 14 13 12 20 10 D1 D2 D3 D4 D5 D6 D7 D8 C OC Q1 Q2 Q3 Q4 Q5 Q6 Q7 ...

Страница 31: ... VCC TB2 TB2 TA2 TA2 LVDS GND TD1 TD1 TCLK1 THC63LVD823 TCLK1 TC1 TC1 LVDS VCC TB1 TB1 TA1 TA1 LVDS GND R10 R11 R12 R13 VCC GND R14 R15 R16 R17 G10 G11 G12 G13 G14 G15 G16 G17 B10 B11 VCC GND B12 B13 B14 B15 B16 B17 R20 R21 R22 R23 R24 R25 R26 R27 VCC GND G20 G21 G22 G23 G24 G25 G26 G27 B20 B21 B22 B23 R224 4 7kJ R225 4 7kJ R226 EMPTY R221 1kJ R227 EMPTY RN31 10J 4 1 8 2 7 3 6 4 5 R228 EMPTY RN32 ...

Страница 32: ...kJ Q11 HAT1025R 1 2 3 4 5 6 7 8 S G S G D D D D R272 0J D20 PTZ6 8B F1 S1 8 R240 3 0kF LD58 L7 CDRH73 10uH D23 SFPB76 R243 1 0kF C187 0 1uF D21 SFPB76 LD63 Q13 DTC143EE 2 3 1 LD61 L8 CDRH127 220uH L9 CDRH127 220uH C186 0 1uF FB21 BLM41PG600SN1 LD64 LD53 R231 7 87kF R245 1 0kF IC24 PQ20WZ11 2 4 5 3 1 ON OFF OADJ GND VOUT VIN L6 CDRH73 10uH D17 PTZ13B D22 PTZ3 6B C177 47uF 16V WT C184 2200pF B C172 ...

Страница 33: ...PC UM10M LL T1815 PARTS LAYOUT 8 1 CHAPTER 8 PARTS LAYOUT POWER BOARD ...

Страница 34: ...PC UM10M LL T1820 H B PARTS LAYOUT 8 2 MAIN BOARD A side ...

Страница 35: ...PC UM10M LL T1815 PARTS LAYOUT 8 3 MAIN BOARD B side ...

Страница 36: ...02 October Printed in Japan t COPYRIGHT 2002 BY SHARP CORPORATION All rights reserved Printed in Japan No part of this publication may be reproduced stored in a retrieval system or transmitted In any form or by any means electronic mechanical photocopying recording or otherwise without prior written permission of the publisher ...

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