Mitsubishi Electric DIAMOND VIEW DV172 Manuale Utente

Diamond View LCD MonitorDV172 / DV172B (B=Black Cosmetic)Service GuideFebruary 2003Distributed byMitsubishi Electric Australia Pty. Ltd.A.B.N. 58 001

DV172 LCD Monitor Service Guide Engineering Specification 7 3.4 Audio performance Item Condition Spec OK N.A Remark Preamp + Power amp

DV172 LCD Monitor Service Guide Engineering Specification 8 5. User Controls 5.1 User’s hardware control definition: Item Condition Spec

DV172 LCD Monitor Service Guide Engineering Specification 9 6. Mechanical Characteristics 6.1 Dimension Item Condition Spec OK N.A Remar

DV172 LCD Monitor Service Guide Engineering Specification 10 TCO92/95 √ TCO99 √ PC-Monitor Microsoft Windows PC98/99 √ DPMS VE

DV172 LCD Monitor Service Guide Engineering Specification 11 Appendix: Physical Dimension Front View and Side view

DV172 LCD Monitor Service Guide Circuit Operation Theory 1 I. Introduction: DV172 model is a 17” SXGA (1280x1024) 18 bits color TFT LCD m

DV172 LCD Monitor Service Guide Circuit Operation Theory 2 Interface Board A/D TMDS MCU Scaling OSD To LCD module EEPROM FLASH-

DV172 LCD Monitor Service Guide Circuit Operation Theory 3 data, we also call it, DDC IC, and another is to store OSD common data and tho

DV172 LCD Monitor Service Guide Circuit Operation Theory 4 (a) EMI Filter This circuit (fig. 2) is designed to inhibit electrical and mag

DV172 LCD Monitor Service Guide Circuit Operation Theory 5 Fig. 4 (d) Rectifier and filter D701 and C703 are to produce DC output. L701

iiCopyrightCopyright ã 1996 by the Company. All rights reserved. No part of this publication may bereproduced, transmitted, transcribed, stored in a

DV172 LCD Monitor Service Guide Circuit Operation Theory 6 Fig. 6 (f) Feedback circuit PC123 is a photo-coupler and TL431 is a shunt r

DV172 LCD Monitor Service Guide Circuit Operation Theory 7 (g) Audio circuit: DC POWERINPUTPOWER ICTDA7496AUDIOINPUTConnect with 8 ohm/2

DV172 LCD Monitor Service Guide Circuit Operation Theory 8

DV172 LCD Monitor Service Guide Circuit Operation Theory 9 (h) Inverter circuit: 1.) Block Diagram: 2.) General Specification Input Volt

DV172 LCD Monitor Service Guide Circuit Operation Theory 10 3.)Circuit Operation Theorem 3.1) ON/OFF SWITCH The turn-on voltage was contr

DV172 LCD Monitor Service Guide Circuit Operation Theory 11 3.2) PWM Control circuit TL1451 is a dual PWM controller.C765 and R765 dec

DV172 LCD Monitor Service Guide Circuit Operation Theory 12 3.3) Oscillator Circuit Royer circuit uses the characteristic of transformer

DV172 LCD Monitor Service Guide Alignment procedure 1 Table of Contents 1. Alignment procedure (for function adjustment)...

DV172 LCD Monitor Service Guide Alignment procedure 2 1. Alignment procedure (for function adjustment) The list of necessary alignment

DV172 LCD Monitor Service Guide Alignment procedure 3 2. Enter factory mode (press “EXIT” & “ENTER” at the same time, then press “

iiiDiamond View LCD MonitorDV172 / DV172B(B = Black Cosmetic’s)Manual ContentsSection1. Engineering Specifications2. Circuit Operation Theory 3. Al

DV172 LCD Monitor Service Guide Alignment procedure 4 3. The Table is for alignment machine to read data from EEPROM to check if the a

DV172 LCD Monitor Service Guide Alignment procedure 5 b.) Speaker wire

DV172 LCD Monitor Service Guide Alignment procedure 6 c.) LVDS wire d.) Power grounding

DV172 LCD Monitor Service Guide Alignment procedure 7 e.) Control wire 3. Add Glue The below attached figure shows the location of a

DV172 LCD Monitor Service Guide Alignment procedure 8 4.Touch Up Remark: The manufacturing site should base on their experience an

DV172 LCD Monitor Service Guide Trouble Shooting 1 1. No Display or display is unstable: 1.1 Interface Board:

DV172 LCD Monitor Service Guide Trouble Shooting 2 2.1 Control Board OSD is not working Yes

DV172 LCD Monitor Service Guide Trouble Shooting 3 3. OSD function: OSD doesn’t work Is control BD working?

DV172 LCD Monitor Service Guide Trouble Shooting 4 4.Power Board Backlight didn't shineLED shined?3.3V existed? IS I/F board connect

1Model: DV172 No. PART NO. DESCRIPTION LOCATION1 55.L5301.021 PCBA I/F BD MAXDATA2 09.10612.01B CAPACITO

DV172 LCD Monitor Service Guide Engineering Specification 1 Table of Contents 1. INTRODUCTION ...

245 19.40155.001 CHOK 2.7UH DR6*10 L701 L70246 19.40179.001 CHOKE 71UH DR10*8 L752 L75147 19.42008.011 LINE FILTER 30MH EE25 L60148 20.60091.1

394 53.L5304.001 F DISK MEA DV172

1Model: DV172B (B = Black Cosmetic’s) NO. PART NO. DESCRIPTION LOCATION=== ============ =========

243 19.26038.001 XFORM INVERT 9.5UH EE19 T752 T754 T753 T75144 19.40091.011 CHOKE 180UH T68-26 L602 L60345 19.40155.001 CHOK 2.7UH DR6*10 L

390 47.L5301.002 CSN L EPS 91 47.L5302.002 CSN R EPS 92 49.L5303.001 INSTRUCTION MANUAL DV172 93 50.74405.201 CABLE AUDIO 284C/577C 002 14094 50.L2308

Diamond View MonitorDiamond View Monitor

Diamond View Monitor

5544332211D DC CB BA A+3.3V+3.3V+3.3V+3.3V+3.3V+3.3V+3.3V+3.3V+5V+5V+3.3V+3.3V+3.3V+3.3VER7ER5EG0EG1EG2EG6EG7EG3EG4EG5EB0EB6EB7EB1EB2EB3EB4EB5DHS_TTLD

5544332211D DC CB BA A+3.3V+5V+3.3V+2.5VLED_GRNKEY_ENTERKEY_LEFTLED_ORGKEY_RIGHTKEY_EXITKEY_AUTOSOFT_SWLCD_ONBL_ONBRT_ADJVOLUMEVOL_ON/OFFInterface Boa

5544332211D DC CB BA AFLASH_WERMADDR[0..15]RMDATA[0..7]RMADDR5RMDATA0RMADDR7RMADDR11RMADDR9RMADDR10TXDRMADDR11RMDATA7RMADDR14RMDATA7RMDATA2SDASDARMADD

DV172 LCD Monitor Service Guide Engineering Specification 2 1. Introduction This specification describes DV172, a 17.0” dual interface co

5544332211D DC CB BA AG-R-R+G+B-B+PC5V+3.3V+3.3V+3.3V+3.3V+3.3V+3.3VDSUB_SDADSUB_SCLRED-RED+GREEN-BLUE-BLUE+HSVSGREEN+RX2-RX2+RX1-RX1+RX0-RX0+RXC+RXC-

5544332211D DC CB BA AInterface BoardDV172Dimand View MonitorOptical PointsScrew HolesH4HOLE-V8123456789OPOP4OPOP14OPOP7H2HOLE-V8123456789H1HOLE-V8123

DV172 LCD Monitor Service Guide Engineering Specification 3 2. Electrical Characteristics 2.1 Power supply Item Condition Spec OK N.A Rem

DV172 LCD Monitor Service Guide Engineering Specification 4 Pin Signal Assignment Pin Signal Assignment 1 Red video 9 PC5V (+5

DV172 LCD Monitor Service Guide Engineering Specification 5 2.3 Video performance Item Condition Spec OK N.A Remark Max. support Pixel ra

DV172 LCD Monitor Service Guide Engineering Specification 6 Input Timing Actual Output Resolution Horizontal Frequency (KHz) Ver