Service Manual ViewSonic VP171/s/b-1 Model No.VLCDS25972-1W VLCDS25972-2W VLCDS25972-3W 17” Color TFT LCD Display ( VP171/s/b-1_SM_680-Rev.
Copyright Copyright ¤ 2003 by ViewSonic Corporation. All rights reserved. No part of this publication may be reproduced, transmitted, transcribed, stored in a retrieval system, or translated into any language or computer language, in any form or by any means, electronic, mechanical, magnetic, optical, chemical, manual or otherwise, without the prior written permission of ViewSonic Corporation.
Preface This manual is prepared for the maintenance service for the VP171/s/b series LCD Panel Monitor. Maintenance procedures described in this manual are intended to isolate faulty parts and replace them in the field. It also aims to serve as a guide in procuring replacement parts for this product. This manual is copyrighted and all rights are reserved.
TABLE OF CONTENTS 1 Introduction 1-1 The Appropriate Operation.................................................... 1 1-2 Product Highlight................................................................. 2 1-3 Technical Specification.........................................................3 1-4 Compatible Modes............................................................... 5 2 Mechanical Construction 2-1 Package Overview................................................................
6 Firmware Upgrade Procedure 6-1 Equipment Needed......................................................... 38 6-2 Setup Procedure............................................................ 6-3 Firmware Upgrade Procedure.......................................... 39 43 7 DDC Key In Procedure 7-1 Equipment Needed.............................................................. 47 7-2 Setup Procedure................................................................. 48 7-3 DDC Key In Procedure..............
1. Introduction This manual provides the integral information you need to maintain the LCD Monitor, and the manual is applied to the mode of 1280*1024 resolution and 17 SXGA TFT LCD Monitor. There are ten topics in this manual, and you can immediately identify problems through the manual. This manual is for the technicans and people with an electronics background.
1-2 Product Highlight - Dual Analog and Digital Signal Input - Active matrix TFT LCD Technology - 1280*1024 addressable pixels - 260 cd/m2 brightness (Typ.
1-3 Technical Specification LCD Technology -AU Panel -PVA Active Matrix -17 diagonal screen size -1280*1024 addressable pixels -0.264mm*0.264mm pixel pitch -260cd/m2 (Typ.) Brightness -500:1 (Typ.) Contrast ratio -L/R=70o/70o, U/D=70o/70o Viewing Angle, CR>=10(Typ.) -tr=12ms (Typ.)/tf=4ms(Typ.) response time -4 CCFL backlight lamps -Backlight Life : 40K Hrs(Typ.), 30K Hrs(Min.) Display Resolution -1280 pixels(H)*1024 lines(V) Active Display Area -337.9mm(H)*270.3mm(V) Displayable Color -16.
Power Saving -VESA DPMS Standard Power Consumption -33Watt (typ.
1-4 Compatible Modes Analog : Digital : 640 x 350 @ 70Hz, 31.5kHz 640 x 350 @ 70Hz, 31.5kHz 640 x 480 @ 60Hz, 31.5kHz 640 x 400 @ 70Hz, 31.5kHz 640 x 480 @ 67Hz, 35.0kHz 640 x 480 @ 60Hz, 31.5kHz 640 x 480 @ 75Hz, 37.5kHz 640 x 480 @ 75Hz, 37.5kHz 640 x 480 @ 72Hz, 37.9kHz 640 x 480 @ 72Hz, 37.9kHz 640 x 480 @ 85Hz, 43.27kHz 640 x 480 @ 85Hz, 43.27kHz 720 x 400 @ 70Hz, 31.5kHz 720 x 400 @ 70Hz, 31.5kHz 800 x 600 @ 56Hz, 35.1kHz 800 x 600 @ 56Hz, 35.1kHz 800 x 600 @ 60Hz, 37.
2. Mechanical Construction This section provides the package and exploded overview, replaceable parts list. You can place an order for correct parts in the recommended parts list.
2-1.1 Replacement Parts List Item P/N 1 35.58203.001 LABEL C ARTON 76*76mm 2-1 36.61101.001 USER GUID E+C D VP171 2-2 36.61102.001 USER GUID E+C D VP171b 2-3 36.61101.002 USER GUID E+C D VP171s 3 42.57207.002 C ABLE POWER C ORD SP-30+IS-14 180050mm;C OLOR:C S-VS09;NA (VP191) 4-1 42.50112.002 C ABLE POWER C ORD SP-23+IS-14 180050mm;C OLOR:C S-VS09,EUR (VP191) 4-2 42.50115.001 C ABLE POWER C ORD 1830mm SP30+IS14 (VP171b/171s) 5-1 42.59901.
2-2 Exploded Overview ViewSonic Corporation 8 Confidential – Do Not Copy VP171/b/s
2-2.1 Replacement Parts List Item P/N 1 51.61101.001 FRONT C OV E R P C +AB S-V S09 V P 171 1-1 76.61101.001 ASSY FRONT C OV E R+C TRL B D C S-V S09 V P 171 1-2 76.61101.002 ASSY FRONT C OV E R+C TRL B D C S-V S08 V P 171b 1-3 76.61101.003 ASSY FRONT C OV E R 2-TONE V P 171s 2-1 51.61102.001 RE AR C OV E R P C +AB S-V S09 V P 171 2-2 51.61102.002 RE AR C OV E R P C +AB S-V S08A V P 171b 2-3 51.61102.003 RE AR C OV E R P C +AB S-V S06A V P 171s 3 61.61101.001 LC D B RK T SE C C 1.
Item P/N 26 61.00042.001 LOC K BRKT+C AP SEC C 0.8t 27 85.1F123.080 SC REW PAN MEC H W/SF M3*8 Ni 28-1 51.58711.003 NAMEPLATE ELLIPSE C S-VS09 Vi ewSoni c (VP171) 28-2 51.58711.002 NAMEPLATE ELLIPSE C S-VS08 Vi ewSoni c (VP171b) 28-3 51.58711.001 NAMEPLATE ELLIPSE Vi ewSoni c (VP171s) 29 51.61103.001 MYLAR AD HESIVEt=0.3mm VP171 30-1 75.61202.001 ASSY HINGE C AP PC +ABS-VS09 VP191 30-2 75.61202.002 ASSY HINGE C AP PC +ABS-VS08 VP191b 30-3 75.61202.
Item P/N 44 85.4A524.080 SC REW FLAT MEC H W/O M4*8 NYLOK 45 85.4A123.080 SC REW FLAT MEC H M3*8 Ni 46 85.UA123.080 D OUBLE THREAD S SC REW PAN TAP M3*8 Ni 47 85.5A124.080 SC REW BIND ING MEC H M4*8 Ni 48 51.00014.002 FILAMENT TAPE 3M NO.8915 25mm*55M 49 51.59901.001 AC ETATE TAPE W=20mm 50 41.53615.001 EMI Tape (80560) 30*50mm 51 41.54612.001 EMI Tape (80560) 25*30mm 52 35.58304.001 LABEL BARC OD E 40*14 Vi ewSoni c 53-1 35.61101.001 LABEL SPEC 120*50mm VP171 53-2 35.61101.
2-3 Mechanical Parts List VP171s Mechanical Parts List Item 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 ViewSonic P/N M-MS-0808-8116 M-CV-0830-2452 M-CV-0830-2455 M-MS-0808-8239 M-MS-0808-8750 C-BC-0302-0511 C-FP-0301-0356 M-CV-0830-2453 M-MS-0808-8751 M-MS-0808-8752 M-MS-0808-8753 PL-PD-0714-0091 M-MS-0808-8756 M-CV-0830-2457 M-CV-0830-2456 Ref. P/N Description 51.58711.001 51.61203.003 51.61212.003 51.00014.001 51.61103.001 61.61101.001 61.61102.001 61.61202.001 75.61101.003 76.61101.003 51.
VP171b Mechanical Parts List Item ViewSonic P/N 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 M-MS-0808-8299 M-CV-0830-2426 M-CV-0830-2431 M-MS-0808-8750 C-BC-0302-0392 C-FP-0301-0333 M-CV-0830-2429 M-MS-0808-7823 M-MS-0808-7824 PL-CL-0710-0033 PL-PD-0714-0091 M-MS-0808-8772 M-MS-0808-8756 M-CV-0830-2432 P-BX-0601-0802 P-FM-0602-0583 P-FM-0602-0584 A-CD-VP171B ViewSonic Corporation Ref. P/N 51.58711.002 51.61203.002 51.61212.002 51.61103.001 61.61101.001 61.61202.001 61.61102.001 75.61101.
PN MIN. CHANGE ECN/SCN EFFECTIVE LEVEL 1 CATEGORY CABLES PART NAME DESCRIPTION CORETRONIC P/N VS P/N TO No. DATE ORDER RTN/ Q'TY SCRAP PRICE LeadTi (USD) me REMARK VP171 VP171b VP171S 95.61101.00A 95.61102.00A 95.61105.00A WIRE W.A. 30P UL1571 #28 115mm TFT1925/L1925(MB-PANEL) 42.61804.001 S 1.60 30 VGA CABLE CABLE VGA 15P 1800mm 2*25mm CORE 42.59901.003 A-VC-0101-0261 S 4.70 30 * VGA CABLE CABLE VGA 15P 1800mm 2-CORE COLOR:CS-VS09 42.59901.008 A-VC-0101-0306 S 4.
1 1 1 BOARDS Manual PACKAGES BASE COVER BASE COVER PC+ABS-VS09 VP191 51.61209.001 S 7.50 30 BASE COVER BASE COVER PC+ABS-VS08 VP191b 51.61209.002 S 7.50 30 BASE COVER BASE COVER PC+ABS-VS06 VP191S 51.61209.003 S 7.50 30 HINGE CAP ASSY HINGE CAP PC+ABS-VS09 VP191 75.61202.001 S 3.00 30 HINGE CAP ASSY HINGE CAP PC+ABS-VS08 VP191b 75.61202.002 S 3.00 30 HINGE CAP ASSY HINGE CAP CS-VS06 VP191s 75.61202.003 S 3.
3. Procedure of Disassembly This section provides disassembly procedures for VP171/s/b LCD Monitor. Before you begin any of these procedures, be sure to turn off the power, computer system, and other attached devices; then disconnect the power cable from the electronically outlet. Moreover, when you disassemble the monitor, be sure to put the screws in a safe place and separate them according to grouping. 3-1 Disassembly of Stand unit from Monitor Hinge Cap Oval Cap 1 1.
85.5A124.080 X4 2 Stand unit 2. Unscrew five screws that secure Stand unit and detach Stand unit from the monitor. 85.4A123.080 85.4A524.080 X4 X1 3 Hinge Base Plate 3. Unscrew four screws of Base Plate to remove Hinge.
85.YA323.080 X3 Base Cover 4 Base Plate 4. Unscrew three screws that secure Base Plate to separate Base Plate from Base Cover. Front Arm Rear Arm 5 6 X2 Hinge X2 85.UA123.080 85.UA123.080 Hinge 5. Unscrew two screws that secure Rear Arm to separate Rear Arm from Hinge. 6. Turn Hinge and unscrew two screws that secure Front Arm to detach Front Arm from Hinge.
3-2 Disassembly of Rear Cover Rear Cover X4 1 85.1F123.080 LCD Panel Module Rear Cover 1. Unscrew four screws of Rear Cover, then detach LCD Panel module from Rear Cover.
3-3 Disassembly of Inverter Board, Main Board and Power Board X3 85.AA123.030 1 Shielding Plate 1. Unscrew three screws that secure Shielding Plate and remove Shielding Plate. 85.1F123.060 X2 2 Inverter Board 2. Unscrew two screws that secure Inverter Board and disconect three connectors to remove Inverter Board.
3 X7 85.AA123.030 4 M/B Shielding Bracket X3 85.4A323.040 3. 4. EMI Tape Disconnect the wire between M/B and Power Board. Unscrew 10 screws that secure M/B Shielding Bracket and Remove the EMI tape to remove M/B Shielding Bracket. 7 Main Board 85.1F123.060 X4 6 X6 5 85.005AG.075 5. 6. 7. Unscew six hex screws that secure Main Board. Unscrew four screws that secure Main Board to remove Main Board. Disconnect the wires which are connected to Main Board.
Power Board 85.1F123.060 X4 8 Power Board Mylar 8. Unscrew four screws that secure Power Board and disconnect the wire to remove Power Board. Detach Power Board Mylar.
3-4 Disassembly of Front Cover Module, LCD Panel, Switch and Inlet Wires Front Cover Control Board wire 1 1. Remove two tapes of Control Board wire and detach Front Cover from LCD Bracket. 2 3 Switch Wire X1 85.1C124.060 Inlet Wire 2. 3. Unscrew one screw that secures Inlet Wire and disconnect two wires that are connected to Switch Wire. Use the tool to pull and press out Inlet and Switch Wires.
85.ZA123.040 LCD Panel X4 4 4. LCD Bracket Unscrew four screws beside LCD Bracket to detach LCD Panel from LCD Bracket. 5 5. Turn LCD Panel around and remove the tape on the wire to disconnect the wire.
4. Troubleshooting Procedure This chapter provides technicians and people who have an electronic background a primary description about maintaining the product. Moreover, you can get the appropriate operation to solve some complicated problems of component repairing and professional problems.
4-2.1 A. Power Circuit Troubleshooting Start Change Power Board No Change Main Board Yes Yes End 4-2.2 B.
1 Is screen scrolling ? Yes Change VGA Cable No Is screen flickering ? Yes Yes No Change LCD Panel Yes Change LCD Panel Yes Yes Change Inverter Board No Change LCD Panel Yes Yes Yes Adjust Fine Tune Sharpness or Auto Adjustment No Ghost image ? No Yes No Have line bar or noise? Yes Change Main Board No Bad Uniformity ? Change Main Board Yes No Is LCD line defective ? No No Change Main Board Yes Yes Yes Adjust Fine Tune Sharpness or Auto Adjustment Yes Refer
4-2.3 C.
5. Function Test and Alignment Procedure 5-1 Product - 5-2 Test Equipment - 5-3 1). 17 LCD Monitor Color Video Signal & Pattern (or PC with SXGA resolution) Hot Key All Mode Reset: Press , buttons simultaneously and Power on with signal, hold on for 3 seconds. Then the screen will show All Mode Reset.
2). Burn In Mode: Press , buttons simultaneously and Power on without signal, hold on for 3 seconds. Then the screen will show Burn In Mode. Press 1 button, you can find the information about this monitor. 3). White Balance: Set the screen on 640*480@60Hz resolution pure black and white pattern, no other color. Press 1 , and simultaneously.
4). 5). OSD Lock : Press 1 and OSD will unlock. buttons simultaneously for 10 seconds, and the OSD will lock. Repeat the action, and the Power Lock : Press 1 and buttons simultaneously for 10 seconds, and the Power will lock. Repeat the action, and the Power will unlock.
5-4 6). Contrast and Brightness Recall : Press and buttons simultaneously, and the contrast and brightness will restore the factory defaults. 7). Test Mode(720*400)/Graphic Mode (640*400) exchange : Press 1 and 2 buttons simultaneously. Test Condition Before function test and alignment, each LCD Monitor should be run-in and warmed-up for at least 30 minutes with the following conditions: a). In room temperature, b). With full-white screen, R.G.B. Black c).
5-5 Test Display Modes & Pattern 5-5.1 Compatible Modes Analog : Digital : 640 x 350 @ 70Hz, 31.5kHz 640 x 480 @ 60Hz, 31.5kHz 640 x 480 @ 67Hz, 35.0kHz 640 x 480 @ 75Hz, 37.5kHz 640 x 480 @ 72Hz, 37.9kHz 640 x 480 @ 85Hz, 43.27kHz 720 x 400 @ 70Hz, 31.5kHz 800 x 600 @ 56Hz, 35.1kHz 800 x 600 @ 60Hz, 37.9kHz 800 x 600 @ 75Hz, 46.9kHz 800 x 600 @ 72Hz, 48.1kHz 800 x 600 @ 85Hz, 53.7kHz 832 x 624 @ 75Hz, 49.7kHz 1024 x 768 @ 60Hz, 48.4kHz 1024 x 768 @ 70Hz, 56.5kHz 1024 x 768 @ 72Hz, 58.
5 -5.2 Function Test Display Pattern Item Test C ontent Pattern Specification R emark 1 Frequency & Tracki ng 2 C ontrast/Bri ghtness 16 Gray Scale 3 Boundary Hori zontal & Verti cal Thi ckness Horz. and Vert. posi ti on of vi deo should be adjustable to be wi thi n the screen Fi gure 3 frame. 4 R,G,B, C olor Performance R.G.B C olor Intensi ti es C ontrast of each R,G,B, color should be normal.
G. Color Pattern (Figure 5) B.
5-6 Function Test and Alignment Procedure 5-6.1 All Modes Reset You should do All Mode Reset (Refer to Chapter 5-3) first. This action will allow you to erase all end-users settings and restore the factory defaults. 5-6.2 Auto Image Adjust Please select and enter Auto Image Adjust function on Main Menu to see if it is workable. The Auto Image Adjust function is aimed to offer a better screen quality by built-in ASIC. For optimum screen quality, the user has to adjust each function manually.
5-6.6 White Balance Test Signal : 1280*1024@60Hz Test Pattern: Full White and Black Pattern Refer to Chapter 5-3 5-6.7 R,G,B, Colors Contrast Test Signal: 1280*1024@60Hz Test Pattern: R,G,B Color Intensities Pattern and 16 Gray Scale Pattern Check and see if each color is normal and distinguishable. If not, please return the unit to repair area. 5-6.8 Screen Uniformity and Flicker Test Signal: 1280*1024@60Hz Test Pattern: Full White Pattern Check and see if it is in normal condition. 5-6.
6. Firmware Upgrade Procedure 6-1 Equipment Needed - VP171/s/b Series Monitor - Fixture for Firmware Upgrade - Power Adapter (P/N : 47.58201.001) *1 for Fixture - VGA Cable (P/N : 42.59901.008) *1 - PC (Personal Computer) - LTP Cable (P/N : 42.59906.001) *1 - Firmware Upgrade Program - One additional monitor for checking the program execution VP171 Monitor Fixture Printer Port VGA Cable (P/N: 42.59901.
LTP Cable (P/N: 42.59906.001) Power Adapter for Fixture (P/N: 47.58201.001) Set-up Procedure 6-2 1. Connect P2 of Fixture with printer port of PC by LTP Cable. 2. Connect P1 of Fixture with VP171/s/b Monitor by VGA Cable. 3. Plug Power Adapter to Fixture. 4. Connect Power Cord to VP171/s/b Monitor, and turn on the Power Switch. 5. Connect PC to the additional monitor.
6. Install GProbe Program by selecting and clicking Gprobe icon. Press Yes or Next buttons until the program is finished.
ViewSonic Corporation 41 Confidential – Do Not Copy VP171/b/s
ViewSonic Corporation 42 Confidential – Do Not Copy VP171/b/s
6-3 Firmware Upgrade Procedure 1. Save these three files , and in the computer. 2. Open file. Key in the path where you save the driver and firmware .
3. Execute Gprobe program. 4. Key in batch c:\VP171\bdisp.txt after GProbe :>, then press Enter key to begin programming automatically. the path is where you save
5. The successful picture is as follows : 6. Enter Burn In Mode (Refer to Chapter 5-3), and you could find that Serial Number disappears.
7. Turn off the power switch of the rear cover of VP171/s/b , and turn it on again. Then enter Burn In Mode, and Serial Number will appear. Check if the version of BIOS is correct. Power Switch VP171 VLCDS25972-1W A1T020100001 8. Connect the signal, and the monitor will slant to red color. Refer to Chapter 5-3 to do White Balance. 9. At last, do All Mode Reset.
7. DDC Key In Procedure Equipment Needed 7-1 - VP171/s/b Series Monitor Fixture(V3) for DDC Key In (JP3 must be closed) RS232 Cable (P/N : 42.55907.001) *1 VGA Cable (P/N : 42.59901.008) *2 DVI-DVI Cable *1 PC (Personal Computer) Power Adapter (P/N: 47.56001.501) *1 for Fixture DDC Key In Program One additional monitor for checking the program execution VP171 Monitor Fixture VGA Cable (P/N: 42.59901.008) COM1 : to RS232 Cable PC ViewSonic Corporation RS-232 Cable (P/N: 42.55907.
Power Adapter for Fixture (P/N: 47.56001.501) DVI-DVI Cable 7-2 Set-Up Procedure 1. 2. 3. 4. 5. 6. Connect P2 and P4 of Fixture with VGA ports of VP171/s/b by two VGA Cables. Connect P3 of Fixture with DVI port of VP171/s/b by DVI-D Cable. Connect P1 of Fixture with COM1 of PC by RS232 Cable. Plug Power Adapter to Fixture. Connect Power Cord to VP171/s/b Monitor, and turn on the Power Switch. Connect PC to the additional monitor.
7-3 DDC Key In Procedure 1. Select and execute DDC Key In program. 2. Key in the serial number and press Enter key.
3. The successful picture is as follows : (There are checksum values appearing when VGA and DVI success.) 4. Press ~ button (Shift+ ViewSonic Corporation ) to check DDC CheckSum is correct or not.
5. Enter Burn In Mode (refer to Chapter 5-3). Turn off the power switch of the rear cover of VP171/s/b, and turn it on again. Then enter Burn In Mode again and Information of OSD Main Menu. Check if the information is correct.
8. Packing For Shiping Packing Procedure 8-1 1. Put the PE bag on the monitor. 2. Put the Cushions on the monitor.
3. Put the monitor into carton. Note : LCD Panel should face to the side as the following picture. 4. Put the accessories into the carton as the following picture. Then close the cover of the carton and tape.
5. Tape the carton closed.
9. Appendix 9-1 The Serial Number System Definition 9-1.1 Serial Number for LCD Display A. Model Number : VLCDS25972-1W for VP171 VLCDS25972-2W for VP171b VLCDS25972-3W for VP171s B.
Serial Number for PCBA Main Board 9-1.2 M VV B Y X A1 EEEE 1 2 3 4 5 6 7 1 : M = Vender (ex : M=Might) 2 : VV = Model Code (ex : K2=VP171/s/b Series) 3 : B = PCBA Board (ex : M=Main Board) 4 : Y = Last Digit of the Year (ex : 2 = 2002 ) 5 : X = Month (ex : Jan.~ Sep.=1~9, Oct.~Dec.=X, Y, Z) 6 : A1 = Version (ex : A1, B2.....
9-2 Function of Boards A. Main Board JP8 CN1 JP1 JP10 JP6 JP5 JP4 11-2.2 CN1 Connector Pin # D escription Function 1 +12VA +12V 2 +12VA +12V 3 GND Ground 4 GND Ground Pin # D escription Function 1 +12VA +12V 2 GND Ground 3 B RI B ri ghtness C ontrol 4 GND Ground 5 GND Ground 6 +12VA +12V 7 GND Ground 8 On B ackli ght ON/OFF C ontrol 9 GND Ground 10 GND Ground 11-2.
9 -2.4 JP4 Connector Pin # D escription Function 1 RX2- TMD S negati ve di fferenti al i nput channel 2 2 RX2+ TMD S posi ti ve di fferenti al i nput channel 2 3 GND Ground 4 RX4- No C onnecti on 5 RX4+ No C onnecti on 6 SC L D D C 2B C lock 7 SD A D D C 2B D ata 8 N.C . No C onnecti on 9 RX1- TMD S negati ve di fferenti al i nput channel 1 10 RX1+ TMD S posi ti ve di fferenti al i nput channel 1 11 GND Ground 12 N.C . No C onnecti on 13 N.C .
9 -2.5 JP5/6 Pin # D escription Function 1 RIN Red Vi deo Input 2 GIN Green Vi deo Input 3 BIN Blue Vi deo Input 4 N.C . No C onnecti on 5 GND Ground 6 GND Ground 7 GND Ground 8 GND Ground 9 5V +5V 10 GND Ground 11 N.C .
Pin # D escription Function 12 RxOIN2+ Posi ti ve Transmi ssi on D ata Of Pi xel 2 (Even D ata) 13 RxOIN2- Negati ve Transmi ssi on D ata Of Pi xel 2 (Even D ata) 14 GND Ground 15 RxON1+ Posi ti ve Transmi ssi on D ata Of Pi xel 1 (Even D ata) 16 RxON1- Negati ve Transmi ssi on D ata Of Pi xel 1 (Even D ata) 17 GND Ground 18 RxOIN0+ Posi ti ve Transmi ssi on D ata Of Pi xel 0 (Even D ata) 19 RxOIN0- Negati ve Transmi ssi on D ata Of Pi xel 0 (Even D ata) 20 RxEIN3+ Posi ti ve Tr
9 -2.7 JP10 Pin # D escription Function 1 GND Ground 2 KPWR Power Swi tch 3 GND Ground 4 K LE D R Power LED Red 5 K LE D G Power LED Green 6 N.C . No C onnecti on 7 KUP Increase 8 KD OWN D ecrease 9 N.C . No C onnecti on 10 K S E LE C T Select Key 11 KMENU Menu Key 12 N.C .
B. Inverter Board 9 -2.8 The Location of Connectors CN3 CN2 CN1 9 -2.9 CN1 Connector Pin # D escription Function 1 Vin +12V 2 Vin +12V 3 On/Off On/Off 4 Bri ghtness Bri ghtness C ontrol 5 GND Ground 6 GND Ground 9 -2.10 CN2 Connector Pin # D escription Function 1 H.V. Hi gh Voltage Output 2 GND Ground 9 -2.11 CN3 Connector Pin # D escription Function 1 H.V.
C. Power Board The Location of Connectors 9 -2.14 CN2 CN1 11-2.13 CN1 Pin # D escription Function 1 L Li ne 2 G Ground 3 N Neutral Pin # D escription Function 1 +12V +12V 2 GND Ground 11-2.
10.
ViewSonic Corporation ! ! 65 Confidential – Do Not Copy VP171/s/b-1
ViewSonic Corporation ! ! 66 Confidential – Do Not Copy VP171/s/b-1
ViewSonic Corporation ! ! 67 Confidential – Do Not Copy VP171/s/b-1
11. Schematic Diagram 5 4 3 2 1 U1 AIC1084 D C6 C5 C7 +12VIN 22uH C8 0.1uF 0.1uF 470uF/16V TU2001WNR-5P JP1 C10 2200uF/16V R2 R3 C11 C12 NC 4.7K 0.1uF 0.1uF 0.1uF BRI 0805 GND ON 1 VOUT GND L1 +12VA VIN C1 1 2 3 4 5 6 7 8 9 10 R1 C2 100uF/16V C3 C4 0.1uF 100uF/16V 330/1% 2 +12VA CN1 1 2 3 4 3 +5V +12VA +2.5VD 0.1uF D R4 330/1% R5 1K 3 BRIGHT +12VA C13 C14 NC NC C15 HEADER 10-2.0 3 C16 100uF/16V 1 C17 0.1u C18 C19 0.
5 4 3 2 DVI_5V D2 DVI_5V DVI CONNECTOR SOT23 BAV70 2 JP4 D DVI-I RX2RX2+ GND RX4RX4+ SCL SDA VS 1 2 3 4 5 6 7 8 RX1RX1+ GND RX3RX3+ 5V GND HP 9 10 11 12 13 14 15 16 RX0RX0+ GND RX5RX5+ GND RXC+ RXC- 17 18 19 20 21 22 23 24 RIN GIN BIN HS GND 25 26 27 28 29 DVI_5V 1 3 +5V +5V 1 U6 3 R17 R18 NC NC SDA IND SCL IND RX2RX2+ 3 3 ISP_SDA ISP_SCL 3 3 R19 R20 RX1RX1+ DVI_5V R22 DVI_5V 100 R15 R16 2.2K 2.2K C55 C56 0.1u 0.1u 1 C58 0.
5 4 3 1 3.3V_DVDD C83 C84 C85 C86 C87 C88 C89 C90 C91 C92 C93 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF C97 C98 C99 C100 C101 C102 C103 C104 C105 C106 C107 C108 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 100pF 100pF on pin-196 100uF/16V 2 20 37 53 67 81 97 111 129 148 144 139 203 26 88 134 153 155 176 182 188 2.5V_AVDD 2.5V_VDD C115 C116 C117 C118 100uF/16V 0.1uF 0.1uF 0.1uF 0.1uF 0.
NC ER[0..7] ER[0..7] RP5 C OB3 OB2 OB1 OB0 1 2 3 4 DBO3 DBO2 DBO1 DBO0 8 7 6 5 OR3 OR2 OR1 OR0 RP6 1 2 3 4 100X4 DRO3 DRO2 DRO1 DRO0 8 7 6 5 EG3 EG2 EG1 EG0 CP6 NC NC 4 3 2 1 RP8 1 2 3 4 5 DRE[0..7] 5 DGE[0..7] 5 DBE[0..
5 3 3 3 3 4 3 DCLK R85 C135 C136 100pF 100pF +3.3VL NC +3.3VL 4 DGO[0..7] 4 DBO[0..7] 4 4 4 DRE[0..7] +3.3VL DGE[0..7] DBE[0..7] +3.3VL C +3.3VL R87 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 DRE7 C141 DRE5 DGE0 0.1uF DGE1 DGE2 DGE6 DGE7 C142 DGE3 DGE4 0.1uF DGE5 DBE0 DBE6 DBE7 C144 DBE1 DBE2 0.1uF DBE3 C146 DBE4 DBE5 0.
5 4 3 2 1 D4 DSUB2_5V +3.3VD R106 R107 D C177 510 D5 DSUB1_5V 2 SOT23 BAV70 +5V 3 C159 0.1uF 2 4 ROTATE 1 +5V 2 D 1 JP9 10k 3 BAV70 SOT23 R94 R95 2.2K 2.2K 0.1uF 3 1 3 C160 Ball Switch R100 2 SCL_IN1 2 SDA_IN1 R96 R97 2.2K 2.2K R98 0.
5 4 3 2 D A/D BUS 1 D FLASH MEMORY Pm39LV010R DDC_IIC DVI INPUT DDC LVDS EEPROM RA/GA/BA[0~7] TMDS ASIC R/G/B Multiplexer D_SUB HS/VS C INPUT LVDS Singal SAMSUNG RB/GB/BB[0~7] GM5120 VH DDC_IIC DDC BLON EEPROM SCL SDA R/G/B D_SUB HS/VS INPUT PANEL DVS/DHS/DEN/DCLK DDC_IIC C VL INVERTER EEPROM 24LC16B DDC EEPROM XTAL 14.318MHz B AC (110-240V) (50-60Hz) ADAPTER +12V DPMS A B +12V +12VIN +5V +3.3VD +3.3VA +2.
5 4 3 2 1 D D LED pair C C MENU BUTTON CONNECTOR SELECT/AUTO BUTTON Connect to MB POWER BUTTON MINUS B B PLUS Title CTRL-BD Size Document Number Rev VP171/s/b Date: Thursday, December 12, 2002 Sheet A A 5 4 ViewSonic Corporation 3 ! ! 75 2 Confidential – Do Not Copy VP171/s/b-1 1
5 4 3 2 SW1 D C SW2 1 SW3 SW4 SW5 1 4 1 4 1 4 1 4 1 4 2 3 2 3 2 3 2 3 2 3 D CON1 C LED_GREEN1 1 2 3 4 5 6 7 8 9 10 LED_RED1 POWER1 UP DOWN SELECT1/AUTO1 MENU1 SMD 3 B 1 B D1 LED pair GREEN RED 2 Title CTRL-BD A Size A Document Number Rev VP171/s/b Date: 5 4 ViewSonic Corporation Thursday, May 22, 2003 3 ! ! 76 2 Confidential – Do Not Copy VP171/s/b-1 Sheet 1
VP171b VIEWSONIC RECOMMENDED SPARE PARTS LIST Item ViewSonic P/N 1 Ref. P/N Description Location Pcs A-VC-0101-0333 42.59901.009 CABLE VGA 15P 1800mm 2-CORE COLOR:CS-VS08 VGA CABLE 1 2 A-VC-0101-0334 42.59902.014 CABLE DVI-D 1800mm COLOR:CS-VS08 DVI-D CABLE 1 3 M-WR-0828-0715 42.58401.001 W.A. 30P 100mm #28 PV875C WIRE 1 4 M-WR-0828-0716 42.61202.001 W.A. 10/6P UL1007 #24 50mm VP191(INV) INVERTER WIRE 1 5 M-WR-0828-0717 42.61203.001 W.A.
VIEWSONIC INDIVIDUAL PARTS OF VSA-M Item ViewSonic P/N Ref. P/N Description Location Pcs 1 A-PC-0106-0270 42.57207.001 SP-30+IS-14 1800±50mm;COLOR:CS-VS08;NA POWER CORD 1 2 A-PC-0106-0271 42.50112.001 1830mm SP-023+IS14 CS-VS08 EUR POWER CORD 1 VIEWSONIC INDIVIDUAL PARTS OF VSE-E Item ViewSonic P/N Ref. P/N Description Location Pcs 1 A-PC-0106-0270 42.57207.001 SP-30+IS-14 1800±50mm;COLOR:CS-VS08;NA POWER CORD 1 2 A-PC-0106-0271 42.50112.
VP171s VIEWSONIC RECOMMENDED SPARE PARTS LIST CATEGORY CABLES ViewSonic P/N M-WR-0828-0715 A-VC-0101-0261 A-VC-0101-0306 A-VC-0101-0262 A-VC-0101-0315 M-WR-0828-0716 M-WR-0828-0717 M-WR-0828-0718 M-WR-0828-0719 A-PC-0106-0186 A-PC-0106-0190 A-PC-0106-0187 A-PC-0106-0189 A-PC-0106-0256 A-PC-0106-0241 A-PC-0106-0242 A-PC-0106-0243 A-PC-0106-0235 A-PC-0106-0240 POWER A-AD-0114-0185 A-AD-0114-0192 LCD M-LCD-0826-0120 MISCELLANEOUM-MS-0808-8750 M-MS-0808-7800 M-MS-0808-7798 M-MS-0808-7799 PL-CL-0710-0032 PL-CL-
VP171b Electrical Parts List Item 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 ViewSonic P/N M-LB-0813-0784 M-MS-0808-8299 M-CV-0830-2426 M-CV-0830-2431 C-BC-0302-0392 C-BC-0302-0497 C-FP-0301-0333 C-FP-0301-0373 PL-BT-0706-0134 M-CV-0830-2429 M-MS-0808-7823 M-MS-0808-7824 PL-CL-0710-0033 M-CV-0830-2432 M-CV-0830-2427 M-CV-0830-2428 C-BS-0303-0377 M-CV-0830-2430 A-PC-0106-0272 A-PC-0106-0271 A-CD-VP171B A-VC-0101-0261 A-VC-0101-0262 P-BX-0601-0802 Ref. P/N 35.61101.002 51.58711.002 51.
VIEWSONIC INDIVIDUAL PARTS OF VSI-P Item ViewSonic P/N 1 A-PC-0106-0273 Ref. P/N Description Location 42.58204.001 CABLE POWER CORD 1830mm PC TYPE Black POWER CORD Q'ty 1 VIEWSONIC INDIVIDUAL PARTS OF VSAU-A Item ViewSonic P/N 1 2 A-PC-0106-0270 A-PC-0106-0271 Ref. P/N Description Location 42.57207.001 CABLE POWER CORD SP-30+IS-14 1800±50mm;NA POWER CORD(N/A) 42.50112.
VP171s Electrical Parts List Item ViewSonic P/N 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 M-LB-0813-0736 M-LB-0813-0834 M-LB-0813-0781 M-MS-0808-8116 M-CV-0830-2452 M-CV-0830-2455 M-MS-0808-7800 M-MS-0808-7798 M-MS-0808-7799 M-WR-0828-0715 M-WR-0828-0716 M-WR-0828-0717 M-WR-0828-0718 M-WR-0828-0719 B-SB-0221-0524 A-AD-0114-0192 M-LCD-0826-0120 M-MS-0808-8239 M-MS-0808-8750 C-BC-0302-0511 C-BC-0302-0508 C-FP-0301-0352 C-FP-0301-0357
Item ViewSonic P/N Ref. P/N Description 58 59 60 61 62 63 64 65 01.47236.501 01.47239.501 01.51136.501 01.56236.501 01.68036.501 01.75016.501 01.75139.501 02.10075.402 RES RP 4.7K 5% 1/16W CHIP #0603 RES RP 4.7K 5% 1/10W CHIP #0805 RES RP 510 5% 1/16W CHIP #0603;"TA-I TECHNO RES RP 5.6K 5% 1/16W CHIP #0603 RES RP 68 5% 1/16W CHIP #0603 RES RP 75 1% 1/16W CHIP #0603;"TA-I TECHNOL RES RP 750 5% 1/10W CHIP #0805 CAP CE 10u 25V 20% 5*11mm 105 DEGREE C (PZ) 66 02.10174.404 CAP CE 100u 20% 16V 6.
Item ViewSonic P/N 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 Ref. P/N 35.00018.001 75.55104.001 M-MS-0808-6287 85.005AG.075 85.1C124.060 M-SCW-0824-0651 85.1F123.060 85.1F123.080 85.4A323.040 85.AA123.030 85.ZA123.060 C-BS-0303-0372 70.61202.003 M-CV-0830-2453 51.61206.003 M-MS-0808-8751 51.61207.003 M-MS-0808-8752 51.61208.003 M-MS-0808-8753 51.61213.
*Readers Response* Dear Readers: Thank you in advance for your feedback on our Service Manual,which allows continuous improvement of our products. We would appreciate your completion of the Assessment Matrix below, for return to ViewSonic Corporation. Assessment A. What do you think about the content after reading VP171/s/b Service Manual? U nit Ex cellent G ood Fair Bad 1. Introduction 2. Mechanical Construction 3. Procedure of Disassembly 4. Troubleshooting Procedure 5.