ViewSonic Q7b Service Manual Page 1

ViewSonic Q7b-3 Model No. VS11147 17” Color TFT LCD Display (Q7b-3_SM Rev. 1b Oct. 2006) ViewSonic 381 Brea Canyon Road, Walnut

ViewSonic Corporation Confidential - Do Not Copy Q7b-3 7 2-5 ELECTRICAL REQUIREMENT Horizontal / Vertical Frequency Horizontal Frequency 30 –

ViewSonic Corporation Confidential - Do Not Copy Q7b-3 8 2-6 FRONT PANEL CONTROLS AND INDICATORS Front Panel Hardware Controls Power Switch (Fr

ViewSonic Corporation Confidential - Do Not Copy Q7b-3 9 2-7 AUDIO INTERFACE (SPEAKER SPECIFICATION) SPEAKER SPECIFICATION LINE INPUT CONNECT

ViewSonic Corporation Confidential - Do Not Copy Q7b-3 10 2-8 TFT LCD PANEL Panel Characteristics: 1st Source Panel Model number CMO M170E5-

ViewSonic Corporation Confidential - Do Not Copy Q7b-3 11 2-9 IMAGE PERFORMANCE Display Size Horizontal Display Size, Primary Preset Full Scre

ViewSonic Corporation Confidential - Do Not Copy Q7b-3 12 2-10 MECHANICAL Desktop Dimension 375 mm (W) x 372 mm (H) x 160 mm (D) 14.8"

ViewSonic Corporation Confidential - Do Not Copy Q7b-3 13 3. Front Panel Function Control Description 3.1 Functional Description of Controls a.

ViewSonic Corporation Confidential - Do Not Copy Q7b-3 14 3.3 User Adjustment (At Analog Signal input) 3.4 Specification (at all Present Timing

ViewSonic Corporation Confidential - Do Not Copy Q7b-3 15 e. Recall : Recall include Brightness, Contrast, Volume, OSD Position, OSD Time, an

ViewSonic Corporation Confidential - Do Not Copy Q7b-3 16 3.7 Brightness Uniformity and Contrast Ratio a. Brightness Uniformity: 128

ViewSonic Corporation Confidential - Do Not Copy Q7b-3 i Copyright Copyright © 2006 by ViewSonic Corporation. All rights reserved. No part of

ViewSonic Corporation Confidential - Do Not Copy Q7b-3 17 3.10 Black Level a. Gray Scale Condition Input signal: 32 Gray scale (Prima

ViewSonic Corporation Confidential - Do Not Copy Q7b-3 18 3.12 EDID DATA a. Condition : Maintain Mode b. Specification : FOR RGB DDC EDID 128

ViewSonic Corporation Confidential - Do Not Copy Q7b-3 19 4. Circuit Description A. A/D converters The ADC is a 7-bit 4-channel analog-to digita

ViewSonic Corporation Confidential - Do Not Copy Q7b-3 20 6. Video processor l Flexible de-interlacing unit for VGA and digital YUV video input

ViewSonic Corporation Confidential - Do Not Copy Q7b-3 21 Pin description

ViewSonic Corporation Confidential - Do Not Copy Q7b-3 22

ViewSonic Corporation Confidential - Do Not Copy Q7b-3 23 C.NT68521 The NT68521 is a high quality image and highly integrated LCD controller, it

ViewSonic Corporation Confidential - Do Not Copy Q7b-3 24 5. Adjustment Procedure 1. Function test 1.1 products 17” LCD Monitor 1.2 test equipme

ViewSonic Corporation Confidential - Do Not Copy Q7b-3 25 (5- 1).WBA.exe, enter the pattern as follow: (5- 2 ).at this time .pls press the open

ViewSonic Corporation Confidential - Do Not Copy Q7b-3 26 ( 5-4 ). Pls select” Set”à”Range”, ADC setup range, pattern is as follow: LM1901XXN

ViewSonic Corporation Confidential - Do Not Copy Q7b-3 ii TABLE OF CONTENTS 1. Precautions and Safety Notices 1 2. Specification 53. Fron

ViewSonic Corporation Confidential - Do Not Copy Q7b-3 27 (5-5 ). Pls select”(Set)”à”Color Temperature” setup the color temperature specificatio

ViewSonic Corporation Confidential - Do Not Copy Q7b-3 28 ( 5-7 ). Pls select” Set”à”Video Generator” to set the signal generator’ s Type and Ti

ViewSonic Corporation Confidential - Do Not Copy Q7b-3 29 ( 5-9 ). Begin to adjust;pls press the tools menu Icon, Icon, at this time the progr

ViewSonic Corporation Confidential - Do Not Copy Q7b-3 30 2. Firmware and EDID upgrade/update Methods . MCU software written: 2-1. Used equipmen

ViewSonic Corporation Confidential - Do Not Copy Q7b-3 31 (3) after opening the Hex document that you choose,pls select the NT68F633 (64K) (4)

3 Disassembly Procedure 1.Remove the hinge cover 2.Unscrew 8 pcs screws 3.Unscrew 2 pcs screws 1 2 ViewSonic Corporation Confidential - Do N

4. Insert plastic flake to hole ,and pull the flake along the gap between the bezel and housing, to separate the housing from bezel. 5. Pull out the

6 Take out housing part; 7 Remove 4pcs screw,take out ; shield cover ViewSonic Corporation Confidential - Do Not Copy Q7b-3 34

8 . Remove the earth screw,push up the signal cable from the frame, pull up signal cable connecter from the main board ; 9 Pull out the 4pcs lamp

10 Unscrew 4pcs screw; 11 Take the power board up from the frame; ViewSonic Corporation Confidential - Do Not Copy Q7b-3 36

ViewSonic Corporation Confidential - Do Not Copy Q7b-3 1 1. Precautions and Safety Notices 1. Appropriate Operation (1) Turn off the product b

12. Tear off the aluminum foil where cover the FFC cable,push the connert hook forward ,pull out FFC cable from the main board; push the connert ho

13.Take the power board up from the frame; 14. Pull out key wire from main board,tear off type of fix the key wire,push 2pcs hook forward to

push 2pcs hook forward ViewSonic Corporation Confidential - Do Not Copy Q7b-3 39

15. Unscrew 2 pcs screws ViewSonic Corporation Confidential - Do Not Copy Q7b-3 40

16. Release all hooks around the Panel for remove the bezel; Frame ViewSonic Corporation Confidential - Do Not Copy Q7b-3 41

17. Remove bezel from the panel; 18. Unscrew 2pcs screw with at the panel side ViewSonic Corporation Confidential - Do Not Copy Q7b-3 42

4 Packing Procedure 1.1 Paste production film to protect the monitor screen.(Figure 1) 1.2 Put the monitor in the PE bag and seal bag with type (Figu

1.4 Put the base in the EPE bag. and then,place the base on the cushions ,as figure 1.5 Place the monitor into the carton and then put all access

6. Troubleshooting Flow Chart Main Procedure StartConnect all of devices tothe LCD monitorPower OnIs indicator LEDlight?A. Power CircuitTroubleshootin

ViewSonic Corporation Confidential - Do Not Copy Q7b-3 46Is backlight on?Display PerformanceO.K.?Function AdjustmentO.K.?Audio Function O.K.?No

ViewSonic Corporation Confidential - Do Not Copy Q7b-3 2 (11) After installation of the TFT Module into an enclosure (LCD monitor housing, for e

ViewSonic Corporation Confidential - Do Not Copy Q7b-3 47A. Power Circuit Troubleshooting StartChange AC/DC AdapterRetry PowerOnChange MainBoa

ViewSonic Corporation Confidential - Do Not Copy Q7b-3 48B. Backlight Troubleshooting StartChangeInverter andRetryNo Trouble FoundEndEndEndEnd

ViewSonic Corporation Confidential - Do Not Copy Q7b-3 49C. Performance Troubleshooting StartScreen isflickering?Change VGACableChange MainBoa

ViewSonic Corporation Confidential - Do Not Copy Q7b-3 502Screen with noise or linebar?Prss Reset Button fromfront panel controlEndChange MainBo

ViewSonic Corporation Confidential - Do Not Copy Q7b-3 51D. Function Troubleshooting StartControl Menu notFunctioning?ChangeControl Boardand R

ViewSonic Corporation Confidential - Do Not Copy Q7b-3 52E. Audio Troubleshooting StartMake sure sound output, Audiocable is OK.No SoundChange

ViewSonic Corporation Confidential - Do Not Copy Q7b-3 537. Recommended Spare Parts List Serial No. Prefix: Q4A Rev: 1bItem ECR/ECN ViewSonic P

ViewSonic Model Number: VS11147Rev: 1aSerial No. Prefix: Q4AItem ViewSonic P/N Ref. P/N Description Location Universal number# Q'ty1 E-00005762 E

Item ViewSonic P/N Ref. P/N Description Location Universal number# Q'ty88 N/A D0155C5102B01 DIODE ZENER ZMM 55-C5V1 LL-34 (SMD)D16 189 N/A D01

Rev: 1bSerial No. Prefix: Q4AItem ViewSonic P/N Ref. P/N Description Location Universal number# Q'ty1 E-00005762 E23108020000426AWG/UL 8Ω2W SP

ViewSonic Corporation Confidential - Do Not Copy Q7b-3 3 Handing and Placing methods Correct methods Incorrect methods Only touch the metal fra

Item ViewSonic P/N Ref. P/N Description Location Universal number# Q'ty73 N/AC4022214M3232CAP EC -40~105℃ 220UF /16V ±20%(M) Φ6.3*H7mm P=2.5mm (D

Rev: 1bSerial No. Prefix: Q4AItem ViewSonic P/N Ref. P/N Description Location Universal number# Q'ty1 E-00005762E231080200004 26AWG/UL 8Ω2W SP

Item ViewSonic P/N Ref. P/N Description Location Universal number# Q'ty72 N/AC4021006M2431CAP EC(S) -40~105℃ 10uF 25V ±20% (M) Φ5×H7mm P=2.5mm (

8. Exploded Diagram and Exploded Parts List ViewSonic Corporation Confidential - Do Not Copy Q7b-3 60 ViewSonic Model Number: VS11147Rev: 1aItem

ViewSonic Corporation Confidential - Do Not Copy Q7b-376ModelTitleDate Rev:ViewSonic CorporationSILKSCREEN TOP

ViewSonic Model Number: VS11147Rev: 1aItem ViewSonic P/N Ref. P/N Location Q'ty1 P-00005779F400718170401CARTON LM/LM1704 L428*W128*H438mm for Vos

MCU<Value>DDC_SDADDC_SCLSCLSDAKey_BUSDDC_VDDVGA_DETVOLUMEAMP_STBYMUTEPower<Value>12V5V3.3V1.8VPANEL_VCCKey<Value>Key_BUSPanel Interf

ADC_GNDADC_GNDADC_GNDADC_GNDADC_GNDADC_GNDADC_GNDDB_R+GVSGHSGHSGVSDB_R+DDC_5VDDC_SDADB_G+DB_G+DDC_SCLVGA_VSDB_B+ DB_B+VGA_HSSHIELDCON_DETR_IN+G_IN+G_I

TO RS232TO DEBUGW/O Audio : R100= 0 Ohm , Other N.C.SCLSDASDASCLWPPOWERAUTO/UPLEDGLEDAMENU/DOWNADJUST+ADJUST-HI_BRIGHTNESSTXDRXDADJUST+LEDGRXDLEDAADJ

ADC_GNDADC_GNDADC_GNDPLL_GNDAOPTIONR/B SWAP0.1U33PF_(for15"sva)BIN-BIN+RIN+GIN-GIN+RIN-G_IN+G_IN-R_IN-R_IN+B_IN-B_IN+HSOIRQNVSOSDAT3M/ARSGP3T4P/A

ViewSonic Corporation Confidential - Do Not Copy Q7b-3 4 Place the monitor on a clean and soft foam pad Placing the monitor on a foreign objec

T6M/ARSRP2T3M/ARSGP3T5M/ARSRP1T3P/ARSGN3T6P/ARSRN2T7P/ARSCLK_NT4P/ARSRN0T2M/ARSGP1T1P/ARSGN0T7M/ARSCLK_PT2P/ARSGN1TCLK1M/ARSGP2T4M/ARSRP0T1M/ARSGP0TCL

AUDIO INTO SPEAKERSL_OUTR_INR_OUTL_INVOLUMEAMP_STBYAMP_MUTE12VR6247k+C69470u/16VC75NCC701uR6318kR6447kC711uC650.1uC1021u+C64470u/16VL9B0805/600C661uL8

PANEL_VCC=3.3V R98=2kPANEL_VCC=5.0V R70=3.6kPanel 15" D12=SS14Panel 17"/19" D12=SR34BL_ENPWR_ENBL_BRIGHT3.3VDGND3.3VPDGNDDGND

Auto/UpMenu/DownGreenLeft/-AmberRight/+POWERSW4 TOUCH SWITCH 4PSW1 TOUCH SWITCH 4PSW5 TOUCH SWITCH 4PSW2 TOUCH SWITCH 4PD17LED Dual123CN13JST 8Pin PH=

ViewSonic Corporation Confidential - Do Not Copy7011. PCB Layout DiagramsQ7b-3ModelTitleDate Rev:ViewSonic CorporationCOMPONENT SIDE

ViewSonic Corporation Confidential - Do Not Copy71Q7b-3ModelTitleDate Rev:ViewSonic CorporationCOPPER BOTTOM

ViewSonic Corporation Confidential - Do Not Copy72Q7b-3ModelTitleDate Rev:ViewSonic CorporationDRILL DREAWING

ViewSonic Corporation Confidential - Do Not Copy73Q7b-3ModelTitleDate Rev:ViewSonic CorporationSOLDER MASK TOP

ViewSonic Corporation Confidential - Do Not Copy74Q7b-3ModelTitleDate Rev:ViewSonic CorporationSOLDER MASK Bottom

ViewSonic Corporation Confidential - Do Not Copy75Q7b-3ModelTitleDate Rev:ViewSonic CorporationPASTE MASK TOP

ViewSonic Corporation Confidential - Do Not Copy Q7b-3 5 2. Specification 2-1 GENERAL specification Test Resolution & Frequency 1280x1024 @

ViewSonic Corporation Confidential - Do Not Copy Q7b-3 77* Reader’s Response* Dear Readers: Thank you in advance for your feedback on our Servi

ViewSonic Corporation Confidential - Do Not Copy Q7b-3 6 2-4 POWER SUPPLY Internal Power Supply FSP FSP035-1PI01ZT Input Voltage Range 90 to 2