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VG700b Series Service Manual

3-4

VG700b series

3-4

Disassembly of Support Bracket, Speakers and all wires

1

1.

Unscrew the eight screws on Speakers to remove it.

2.

Remove the

tape, unscrew the four screws and unplug all wires

from Support Bracket.

Speakers

3.

Remove

the Lock Bracket Tinplate from Rear Cover.

Lock Bracket
Tinplate

Support Bracket

Wires

2

3

ViewSonic Corporation

Confidential

– Do Not Copy

VG700b

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Summary of Contents for VG700B

Page 1: ...Service Manual Model No VLCDS23719 3W 17 Color TFT LCD Display ViewSonic VG700b ViewSonic 381 Brea Canyon Road Walnut California 91789 USA 800 888 8583 VG700b 1_SM_604 Rev 1a Oct 2002...

Page 2: ...with respect to the contents hereof and specifically disclaims any warranty of merchantability or fitness for any particular purpose Further ViewSonic reserves the right to revise this publication an...

Page 3: ...des system overview major system assembly components description and the Troubleshooting makes explanations on how to detect errors It also includes a flow chart for checking or correcting faults No W...

Page 4: ...1 Disassembly of Stand Unit and Main Body 3 1 3 2 Disassembly of Control Board Cosmetic Cap and Front Cover 3 2 3 3 Disassembly of LCDPanel and Main Board 3 3 3 4 Disassembly of Support Bracket Speak...

Page 5: ...are Setup Procedure 7 2 7 3 Firmware Upgrade Procedure 7 2 Chapter 8 EDID Update Procedure 8 1 8 1 EquipmentNeeded 8 1 8 2 Hardware Setup Procedure 8 2 8 3 DDC Keyin Procedure 8 2 Chapter 9 Panel Spec...

Page 6: ...n off the Product before cleaning Use only a dry soft cloth when cleaning the LCD panel surface Use a soft cloth moistured with mild detergent to clean the display housing Use only high quality and sa...

Page 7: ...y 640 350 640 480 720 400 800 600 832 624 1024 768 1152 870 1280 1024 1 3 Technical Specification I AU Panel M170EN04 Active matrix TN TFT color LCD 17 diagonal screen size 1280 1024 addressable pixel...

Page 8: ...Maximum Power Output 3W 8 Distortion IV y Preset Modes VGA 640 350 70Hz 25 176MHz VESA 640 480 60Hz 25 175MHz MAC 640 480 67Hz 31 500MHz VESA 640 480 72Hz 31 50MHz VESA 640 480 75Hz 31 50MHz VESA 720...

Page 9: ...024 75Hz V Mechanical Environmental Condition Width Height Depth 410 0mm 421 4mm 191 2mm Monitor Weight 5 2kgs 11 4lbs Operating Temperature 00 C to 400 C Storage Temperature 200 C to 600 C Operating...

Page 10: ...VG700b Series Service Manual 2 1 VG700b series Chapter 2 Mechanical Construction 2 1 Package Overview ViewSonic Corporation Confidential Do Not Copy VG700b...

Page 11: ...LTILINGUAL CD TCO 95 ECO 10 M LB 0813 0706 35 58203 001 LABEL CARTON 76 76mm 11 1 A PC 0106 0188 42 57207 001 CABLE POWER CORD 1 8M 0 1M UNSHIELD NA 11 2 A PC 0106 0190 42 50116 002 CABLE POWER CORD 1...

Page 12: ...VG700b Series Service Manual 2 3 VG700b series 2 2 Exploded Overview ViewSonic Corporation Confidential Do Not Copy VG700b...

Page 13: ...0120 TFT LCD 1280 1024 17 ADT L170E3 PANEL 48 56902 001 14 NAMEPLATE ELLIPSE Viewsonic 51 58711 001 15 C FP 0301 0901 FRONT COVER ABS HB VS08A VG700b 51 58301 002 16 M MS 0808 8297 COSMETIC CAP ABS H...

Page 14: ...ews to remove the Stand and Main Unit 1 Rear Arm Hinge Cap 3 Unscrew the four screws to remove the Hinge Tilt and Base Unit 4 Unscrew the four screws on Hinge Tilt unit to remove the Front Arm and Hin...

Page 15: ...nitor and press the two sides from up to down to remove the Cosmetic Cap 2 Unplug the Control Wire and unscrew the three screws to remove the Control Board 3 Unscrew the two screws of Front Cover to r...

Page 16: ...he LCD Panel 3 Remove the LCD Panel 4 Unscrew the two hex screws and turn over the monitor first then unscrew the four screws and unplug all wires on Main Board to remove it 5 Unscrew the two screws a...

Page 17: ...es 1 1 Unscrew the eight screws on Speakers to remove it 2 Remove the tape unscrew the four screws and unplug all wires from Support Bracket Speakers 3 Remove the Lock Bracket Tinplate from Rear Cover...

Page 18: ...3 E U L B t u p n I o e d i V e u l B 4 C N n o i t c e n n o C o N 5 D N G s s a p y B V 5 e l b A C e v i t c e t e D 6 D N G d n u o r G o e d i V d e R 7 D N G d n u o r G o e d i V n e e r G 8 D...

Page 19: ...o V 0 1 t c e l e S t c e l e S 1 1 t i u Q t i u Q 2 1 e t u M e t u M e m u l o V n i P n o i t p i r c s e D n o i t c n u F 1 v n I _ V 2 1 V 2 1 2 D N G d n u o r G 3 K C A B P F f f O n O 4 0 D...

Page 20: ...f i D e v i t i s o P 6 1 1 N I O X R t u p n I l a i t n e r e f f i D e v i t a g e N 7 1 D N G d n u o r G 8 1 0 N I O X R t u p n I l a i t n e r e f f i D e v i t i s o P 9 1 0 N I O X R t u p n...

Page 21: ...F t u p t u O l e n n a h C t f e L 4 6 B F t u p t u O l e n n a h C t f e L n i P n o i t p i r c s e D n o i t c n u F 1 D N G d n u o r G 2 r e w o P y e K r e w o P 3 D N G d n u o r G 4 1 R _ r...

Page 22: ...r B l o r t n o C t h g i r B 5 D N G d n u o r G 6 D N G d n u o r G 4 3 3 CN2 Connector n i P n o i t p i r c s e D n o i t c n u F 1 V k 1 V C A t u p t u O p m a L 2 V k 1 V C A t u p t u O p m a...

Page 23: ...024resolution Screw Driver 5 2 Main Procedure Start Power on Power LED ok A Power Circuit Troubleshooting Yes No Is display performance ok Yes No Is function adjustment ok Yes No Are Speakers all righ...

Page 24: ...Performance Troubleshooting Start Yes No Change LCD Panel Change Main Board Is screen white Yes Yes No Yes No Change LCD Panel Change Main Board Abnormal Color Yes Yes No Yes Change FPC Cable No Yes...

Page 25: ...oard Is LCD line defective Bad Uniformity Yes No Yes Change Main Board Adjust H size Fine tune or Auto Image Adjust Have line bar or noise Yes Yes No 1 Yes No Yes Ghost image Yes Yes Change LCD Panel...

Page 26: ...on Troubleshooting Yes Start No Change Main Board and Retry Change Control Board and Retry Yes End 5 2 4 D Speakers Troubleshooting Yes Start No Change Main Board and Retry Change Speakers and Retry Y...

Page 27: ...in volume Adjustment or when OSD is not open 1 and buttons for 10 seconds OSD locked Do again OSD unlocked 1 and buttons for 10 seconds Power button locked Do again Power button unlocked 1 and buttons...

Page 28: ...z H Frequency kHz Standard 640 480 60 31 5 VESA VGA 640 480 67 35 0 MAC 640 480 72 37 9 VESA VGA 640 480 75 37 5 VESA VGA 720 400 70 31 5 VESA VGA 800 600 56 35 2 VESA SVGA 800 600 60 37 9 VESA SVGA 8...

Page 29: ...3 y r a d n u o B l a t n o z i r o H s s e n k c i h T l a c i t r e V d l u o h s o e d i v f o n o i t i s o p t r e V d n a z i r o H n e e r c s e h t n i h t i w e b o t e l b a t s u j d a e b...

Page 30: ...0b Series Service Manual 6 4 VG700b series G Color Pattern Figure 5 B Color Pattern Figure 6 Full White Pattern Figure 7 Dark Screen Pattern Figure 8 ViewSonic Corporation Confidential Do Not Copy VG7...

Page 31: ...the user has to adjust each function manually 6 5 3 Fine Tune Test Signal 1280 1024 75Hz Test Pattern Line Moire Pattern Check and see if the image has noise and focus is well performed If not readju...

Page 32: ...00 600 56 60 72 75Hz 832 624 75Hz 1024 768 60 70 72 75Hz 1152 870 75Hz 1280 1024 60 70 75Hz 6 5 9 All Mode Reset After final QC step we have to erase all saved changes again and restore the factory de...

Page 33: ...ean LCD panel and cosmetics material with soft cotton 6 7 Inspection Standard Appearance Inspection Scratches Abrasions a Mechanical Face A Not Allowed Figure 1 Face A View Face B Length 12 7mm Width...

Page 34: ...ce Manual 6 8 VG700b series Face C Length 76mm Width 0 76mm 2 lines scrapes Figure 3 Face C View Face D Length 89mm Width 0 76mm 2 lines scrapes Figure4 Face D View ViewSonic Corporation Confidential...

Page 35: ...e Upgrade VGA Cable P N 42 59901 004 2pcs PC Personal Computer Firmware Upgrade Program Power Adapter P N 47 58301 001 Printer Cable Power Adapter P N 47 58301 001 Print Port to Printer cable PC VG700...

Page 36: ...1 Connect Con1 of Fixture to VGA Port of PC 2 Connect Con2 of Fixture to VGA Port on VG700b monitor 3 Connect Con 3 of Fixture to Print Port of PC 7 3 Firmware Upgrade Procedure 1 Save Firmware upgrad...

Page 37: ...VG700b Series Service Manual 7 3 VG700b series 2 Get into DOS mode 3 Get into Firmware upgrade program where you save ViewSonic Corporation Confidential Do Not Copy VG700b...

Page 38: ...a transfer switch switch to another monitor when firmware programming You will see the program rate of progress below the screen when the program rate of progress until 100 it means firmware upgrade p...

Page 39: ...ed VG700b monitor Fixture for DDC Keyin VGA Cable P N 42 59901 004 2pcs PC Personal Computer DDC Keyin Program Power Adapter P N 47 58301 001 Printer Cable Power Adapter P N 47 58301 001 Print Port to...

Page 40: ...cedure 1 Connect Con1 of Fixture to VGA Port of PC 2 Connect Con2 of Fixture to VGA Port on VG700b monitor 3 Connect Con 3 of Fixture to Print Port of PC 8 3 DDC Keyin Procedure 1 Save DDC Keyin Progr...

Page 41: ...VG700b Series Service Manual 8 3 VG700b series 2 Get into DOS mode 3 Get into DDC Keyin program where you save ViewSonic Corporation Confidential Do Not Copy VG700b...

Page 42: ...8 4 VG700b series 5 Key in S N Serial Number or use bar code reader scanning then press Enter to begin programming 4 Key in VG700V1 after DDC EDID Data Source file 740DDC DAT ViewSonic Corporation Con...

Page 43: ...cture is as the following 7 Press 1 on the select knob then choose information to check if S N is correct Get into Burn In Mode Ref 6 2 press any button besides Power button to double check if the S N...

Page 44: ...al 2 000g A Mechanical Specifications Contrast Ratio Luminance of White Center White Uniformity 85 Min 5 points measurement Viewing Angle H V CR 10 H 140o V 140o Response time ms Typical Tr 25ms Tf 15...

Page 45: ...ng for Shipping 10 1 Package 1 Take the ESD Bag to put on the Monitor then fold the surplus ESD bag and paste the tape Paste the tape on it 2 Put the Cushions on the monitor Figure 3 Left Cushion Righ...

Page 46: ...and paste the tape on the bottom of carton Paste the tape on the bottom 4 Pay attention to the direction the monitor should face when inserting it Rear of Monitor Front of Monitor ViewSonic Corporati...

Page 47: ...number b Put Warranty sticker into User s guide set attention the direction c Put Warranty card into User s guide set attention the direction d Paste the Shipping warranty sticker on the Carton Notic...

Page 48: ...bel barcode on the warranty card c Put the Warranty card into the envelope and then put this envelope into the shipping bag d Paste the Shipping bag on the Carton paste it on the other side Warranty s...

Page 49: ...Carton 1 Power cord 2 VGA cable 3 Audio cable 4 Power adapter and then put User guide into Carton Power cord VGA cable Audio cable Power adapter Rear side of user manual Paste the transparent adhesiv...

Page 50: ...represents whole serial number for VG700b series model It s produced on 12 week of 2002 and its serial code is 00003 PPP Regional product ID code ex A1R VG700b series YY Last 2 digits of manufacturin...

Page 51: ...Main Board Y Last Number of the Year ex 2001 1 2002 2 X Month ex Jan Sept 1 9 Oct Dec X Y Z G1 Version ex G1 etc EEEE Serial Code from 0001 EX MI7M29G10003 This label MI7M23G10003 represents Main boar...

Page 52: ...C27 1000P R112 33 L38 FB_G R1 33 R18 68 C3 0 082U C1 0 0082U L1 0805 600 C37 0 1U C45 0 1U C11 0 1U R14 33 L3 0805 007 U1E 74F14 11 10 CON1 DB15HD Female VGA In 4 3 2 1 11 12 13 14 15 6 7 8 9 10 5 16...

Page 53: ...522 LVDS Transform TX0 TX1 TX2 TCL TCL TX0 TX1 TX2 M04 3005F1 Rev A VG700 H DIAGRAM B 1 1 Wednesday June 05 2002 Title Size Document Number Rev Date Sheet of CTRL H V SINGAL 65MHz RX D RED DATA VL CTR...

Page 54: ...ED 0 7 4 B1RED 0 7 4 A1BLU 0 7 4 A1GRN 0 7 4 3 3VD3 3 3VD3 3 3VD3 VDDout 3 3VD3 3 3VD3 3 3VD3 3 3VD3 3 3VD3 3 3VD3 3 3VD3 3 3VD3 3 3VD3 3 3VD3 3 3VD3 3 3VD3 GNDP GNDP GNDP GNDP GNDP GNDP GNDP GNDP GND...

Page 55: ...Coil 150U E B C SOT 23 Q3 3904 Switch Control SOT_23 C136 1000U P1 POWER JACK3 12V DC Input 3 1 2 FB9 0603 600 OUT ADJ IN U7 LT1084 3 3V Regulator TO 220 3 2 1 4 R35 10K D7 1N4148 L22 1206 600 C126 10...

Page 56: ...179 180 181 182 18 19 193 194 196 195 20 21 17 163 162 161 165 164 156 153 154 60 59 58 57 56 55 54 53 52 51 50 49 40 39 38 37 36 35 34 33 31 30 29 28 27 26 25 24 45 44 43 46 47 63 64 65 66 67 68 69...

Page 57: ...U 0 7 2 FSADDR 0 13 4 DCLK DVS DHS ODEN 4 DEN FSCKE 4 PHSYNC 4 B2GRN 0 7 2 A2BLU 0 7 2 FSDATA 0 15 4 PVSYNC 4 A2GRN 0 7 2 FSCAS 4 B2RED 0 7 2 FSCLK 4 FSRAS 4 GNDP GNDP VDDout GNDP GNDP GNDP GNDP GNDP...

Page 58: ...28 5V 12V FB2 0603 600 R111 36K C47 1 0uF CA2 0 01uF FB1 0603 600 FB3 0603 FB4 0603 C216 100uF FB5 0603 A1 AN7522 1 2 3 4 5 6 7 8 9 10 11 12 R105 0 FB6 0603 R19 10K C206 0 01uF JP4 4 HEADER 1 2 3 4 L...

Page 59: ...VG700b 13 1 ViewSonic Corporation Confidential Do Not Copy VG700b...

Page 60: ...VG700b 13 2 ViewSonic Corporation Confidential Do Not Copy VG700b...

Page 61: ...VG700b 13 3 ViewSonic Corporation Confidential Do Not Copy VG700b...

Page 62: ...COVER REAR COVER ABS HB VS08A VG700b C BC 0302 0442 51 58302 002 BASE COVER BASE COVER ABS HB VS08 VG700b M CV 0830 2343 51 58311 002 FRONT ARM FRONT ARM ABS HB VS08 VG700b M MS 0808 8300 51 58312 00...

Page 63: ...ERIA Pcs 1 3 130 51 00028 001 A WIRE MOUNTS PG FW 4D TFT450 Pcs 1 3 140 C FP 0301 0901 51 58301 002 A FRONT COVER ABS HB VS08A VG700b Pcs 1 3 150 51 58305 001 A INSULATION MYLAR FOR VG700 750 Pcs 1 3...

Page 64: ...TEAM Pcs 12 C151 C159 C164 C206 C207C9 C29 C33 4 220 02 10887 101 A CAP CC 0 1uF 80 20 50V Y5V 0603 YCTC Pcs 64 C10 C102 C103 C11 C115 C135 C138 C139 C142 C143 C152 C152A1 C153 C154 C155 C199 C20 C20...

Page 65: ...EX INVERTING 14SOIC Pcs 1 U1 4 501 20 AD988 311 A IC AD9883 140 A D CONVERTOR 140MSPS TQFP 80 Pcs 1 U2 4 510 20 AIC10 841 A IC AIC1084CM 5A LINEAR REG TO 263 Pcs 1 U7 4 520 20 AN752 201 A IC AUDIO AN7...

Page 66: ...0b WORLD WIDE Pcs 1 2 10 A PC 0106 0186 42 50112 001 A CABLE POWER CORD 1830mm SP 023 IS14 EUR Pcs 1 2 15 A PC 0106 0188 42 57207 001 A CABLE POWER CORD 1 8M 0 1M UNSHIELD NA Pcs 1 2 20 70 583DP 002 A...

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