ViewSonic VG180 Service Manual
ViewSonic VG180 - 18.1" LCD Monitor Manual
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- ViewSonic VG180 | Service Manual - Page 1
Service Manual ViewSonic VG180-2 Model No. VLCDS21520-2 18" Color TFT LCD Display w 1. ViewSonic® ViewSonic lalvl ml - I 0 (Rev. 1- November 1999) ViewSonic° 381 Bra Canyon Road, Walnut, California 91789 USA - (800) 888-8583 - ViewSonic VG180 | Service Manual - Page 2
© 1999 by ViewSonic Corporation. All rights reserved. No part of this publication may be reproduced, transmitted, transcribed, storedin a retrievalsystem, or translatedinto any language or computerlanguage, in any form or by any means, electronic, mechanical, magnetic, optical, chemical, manual or - ViewSonic VG180 | Service Manual - Page 3
PRECAUTIONS TIMING CHART OPERATING INSTRUCTIONS CONTROL LOCATIONS WIRING DIAGRAM DISASSEMBLY BLOCK DIAGRAM CONTENTS 2 DESCRIPTION OF BLOCK DIAGRAM 13 3 ADJUSTMENT 14 4 TROUBLESHOOTING GUIDE 15 5 PRINTED CIRCUIT BOARD 22 8 EXPLODED VIEW 25 8 REPLACEMENT PARTS LIST 27 9 PIN CONFIGURATION - ViewSonic VG180 | Service Manual - Page 4
off the power button or disconnect the AC adapter because high voltage appears at inverter circuit about 650Vrms. Handle with care wires or connectors of the inverter circuit. If the wires are pressed cause short and may burn or take fire. A CAUTION IF BRIGHTNESS OF THE LCD MODULE DARKEN, REPLACE - ViewSonic VG180 | Service Manual - Page 5
3 3 3 3 1- Back Porch Lines F 59 33 39 16 25 35 23 21 27 39 29 29 30 28 36 39 38 38 Resolution - 640 640 640 640 640 720 800 800 800 832 1024 1024 1024 1024 1024 1152 1280 1280 X X X X X X X X 69Hz 75Hz ViewSonic Corporation f - 4 Confidential - Do Not Copy VG180-2 - ViewSonic VG180 | Service Manual - Page 6
OPERATING INSTRUCTIONS FRONT VIEW REAR VIEVV o Front Control Panel Power (DPMS) Indicator Power ON/OFF Button Power Jack Front Control Panel OV A 15-pin D-Sub Signal Connector 1. Power ON/OFF Button This button is used to turn the monitor ON and OFF. 2. Power Indicator This indicator - ViewSonic VG180 | Service Manual - Page 7
select color temperature or set color level; Preset 1 / Preset 2 / User Color. ►o4 Memory Recall : To recall factory preset Mode. 11 I of the five languages for the OSD menu. Viewmeter : To inform users of preset and user mode data. This item provides information about the stores video modes. - ViewSonic VG180 | Service Manual - Page 8
J Back Light Hours (Service OSD menu) This function shows Back Light Hours. Following steps are procedure. 1. Turn off the power. 2. Press button 0 and the power button simultaneously. 3. Press button 0 , and OSD will appear as the follows. Earl7Li c7h7 L7 0 7J 4.Checking Back Light Hours. 5. - ViewSonic VG180 | Service Manual - Page 9
IS _,.-2_,_.1 ew ...~. 't.e-T..4..i. .:.7.... •:1,..54:,..:Ac , -- ree.-7; cis r_e,. Wi*.t. .... POWER SWITCH r4r ' 1 2 3 4 5 WIRING DIAGRAM L. et .4 3 ,_., -.... .. , -,,, -Mira -- - . 2 5 J6 CN2 CN1 P1 3 ViewSonic Corporation -8- :• Confidential - Do Not Copy VG180-2 - ViewSonic VG180 | Service Manual - Page 10
Cabinet (b) b) 4. LCD MODULE REMOVAL 1) Remove four Al Tapes (a). 2) Disconnect J1, J2, J3 and J4. 3) Disconnect FPC Cable (b), and Control PCB Connector (c). 4) Remove the LCD Module. JI J2 (a) (a) J3 4 (b) (I) (b) (a) ViewSonic Corporation Confidential - Do Not Copy VG180-2 - ViewSonic VG180 | Service Manual - Page 11
'y and Control PCB from the Main PCB. 3) Release two latches (a). 4) Divide Top Shield, Main PCB, and Bottom Shield. (a) J5 Inverter Ass'y (c) "ce (a) ViewSonic Corporation Rear Frame (c) Inverter Frame PCB Shield (Bottom) Main PCB PCB Shield (Top) - 10 Confidential - Do Not Copy J6 Control PCB - ViewSonic VG180 | Service Manual - Page 12
wathem vole walsAs 0 itzmsmead O 0 O O O O POWER CORD POWER SUPPLY I 15-pin D-SUB SIGNAL CABLE O O o. O MAIN LOGIC PCB CONTROL PCB LCD MODULE vivuovia Noma 83d 831.83ANI -Cs ) 9 IN) - ViewSonic VG180 | Service Manual - Page 13
= = = =1 =I = = = Block Diagram for Main Logic Board ViewSonic Corporation Ado° ION cra leguapguoo uwaovia Noma 3.3 V 3.3 V 3.3 V SDAISCL 12V . Contrast LVDS83 5V MicroController MC68HCO5 Input Port "A" Power 12V Input Switch BA7657F 12V LCD Module LG LM181E1 Input Port "B" co 9 N - ViewSonic VG180 | Service Manual - Page 14
analog to digital, interpolates input to 1280x1024 resolution signal and outputs 8-bit R, G, IC (U904) and LED driver Q01 and Q02 indicate that power is ON or OFF. Power Module Circuit This block supplies the +12V to the inverter for the backlight voltage of module and the +5V for data control of LCD - ViewSonic VG180 | Service Manual - Page 15
monitor . - Alignment Adapter and Software. program for VG180 on No attempt to manually adjust, but ViewSonic Corporation -------- IBM Compatible PC 0 0 0 ,011 O a 0 00i X100 0 0 0 0 0 0 0; 0 0 0 0 0 0 0 0 0 0, • PARALLEL PORT 00 Power inlet (required) Power Select Switch (110V/220V) Power - ViewSonic VG180 | Service Manual - Page 16
TROUBLESHOOTING GUIDE gpoLtqwgr Rt NO POWER (POWER INDICATOR OFF) CHECK U801 INPUT VOLTAGE (12V)? YES CHECK 5VST VOLTAGE (5V)? YES CHECK +12V VOLTAGE (12V)? YES CHECK +5VA VOLTAGE (5V)? YES CHECK 3.3V DD VOLTAGE? YES CHECK 3.3V VOLTAGE? rR kJ YES TROUBLE SOMEWHERE ELSE ViewSonic Corporation NO - ViewSonic VG180 | Service Manual - Page 17
fi Li ViewSonic Corporation 4FREM. M174, ;,•7:55igtp,:i1.0-.±e:-.,...2t NO TROUBLE IN 5VA LINE NO TROUBLE IN PC SIGNAL, J2 orJ3 CONNECTOR NO TROUBLE IN U601, 0602, U603, U3, U4 NO TROUBLE IN U601 NO TROUBLE IN U101 NO TROUBLE IN U102 - 16 Confidential - Do Not Copy *: VG180-2 - ViewSonic VG180 | Service Manual - Page 18
U501 PIN 253, NO 254 ? YES CHECK MEMORYCLK NO U401, 402, 403 PIN 35 ? YES TROUBLE IN U201 TROUBLE IN U501 CHECK NO U501 PIN 93, 94 ? YES TROUBLE IN U14 CHECK NO U501 PIN 122, 123, 124 ? YES TROUBLE IN U501 ,ViewSonic Corporation - 17 : Confidential - Do Not Copy VG1813-2 - ViewSonic VG180 | Service Manual - Page 19
,45,46, 47,48? YES CHECK U702 PIN 37,38,39, NO 40,41,42,45,46, 47,48? YES CHECK NO U1 PIN 8? YES TROUBLE IN LCD MODULE TROUBLE IN U501 TROUBLE IN U901 TROUBLE IN U701 TROUBLE IN U702 TROUBLE IN U1 ViewSonic Corporation - 18 - Confidential - Do Not Copy VG180-2 - ViewSonic VG180 | Service Manual - Page 20
rj YES CHECK U301 PIN 1 (3.3V) ? YES CHECK U301 PIN 15 H. PULSE ? YES CHECK U301 PIN 20, 21 CLOCK ? , --47030KN fc-44.40 NO TROUBLE IN U601, U602, U603, U604 NO TROUBLE IN U901 NO TROUBLE IN U301 NO TROUBLE IN U301 ViewSonic Corporation - 19 Confidential - Do Not Copy • VG180-2 - ViewSonic VG180 | Service Manual - Page 21
CHECK U502 PIN 5, 10 NO WAVEFORM? YES CHECK U502 PIN 13, 14, 15 NO WAVEFORM? YES CHECK U502 PIN 12 NO (5V) ? YES TROUBLE IN U501 ViewSonic Corporation - 20 : Confidential - Do Not Copy TROUBLE IN +5V LINE TROUBLE IN U503, 501 TROUBLE IN U501 TROUBLE IN U502 TROUBLE IN U502 VG180-2 - ViewSonic VG180 | Service Manual - Page 22
U2901 (MICOM) NO PIN 28, 29 ? SEE DPM TABLE YES CHECK NO LED COLOR ? YES TROUBLE IN PC CHECK PC CPC IS NOT GOING INTP DPM OFF MODE TROUBLE IN U604 TROUBLE IN X901 TROUBLE IN SIGNAL CABLE TROUBLE IN U901 TROUBLE IN Q1, Q2 ViewSonic Corporation - 21 Confidential - Do Not Copy VG180-2 - ViewSonic VG180 | Service Manual - Page 23
On^ ° O O 102 F, 433 I POI A09403 1211324 8619 cir a: a S° i°r° O CO O MAIN BOARD S P/N : 6870T187Al2 11)99. 04.02. 0, Cab ill 0 cab gEB2 414 gi EC& Fa l-d a I I • BA7657F 4,3 Fe ° kg JillitgeW • 43 co on 12V POWER 1:1 (13 22222 P,uLmEolkojh, ifa ° , rt000no oft la': F;;s1A - ViewSonic VG180 | Service Manual - Page 24
°Cr no CIO 1°' pool 'Po 2490* sot,os sMErrP cEC*O1O43 cem o `1°E,`"3fold00 too CIO o 0 CIO CID 1552 56* Ago% 0 0 0 00 0 0 0 0000 DICID/D ° NM 004 ViewSonic Corporation - 23 Confidential - Do Not Copy VG180-2 - ViewSonic VG180 | Service Manual - Page 25
•40 o 0 R es• tkr,.4: Ch t.9 ante II II 3 ,•. .. 497 :V. Lt. abide c r t; ,0 en "0" .11 1a. ,t015. 42. • t. :192i 1-;1$ ri% C.• , . Wfif ply 14/ .7,4EL tti t2 4,4 - • 4 ,At _ . g 1 ri I ViewSonic Corporation - 24 - • Confidential - Do Not Copy • VG180-2 - ViewSonic VG180 | Service Manual - Page 26
Ce3 co -0r • 0 EXPLODED VIEW 0 o o 0o o 0o o o .0 0 o0 0 0 0 0 Loo 0 0 0 0:000w00, 0h0c00A(1c0c0•0 000000 0 0 00000000 00000000000000000010000, 0 0 0 0410000 000000 %?•:0 c 01:0:0 04::04:4::40 • 0!: 0012 • ) ViewSonic Corporation -25- Confidential - Do Not Copy N O C VG180-2 - ViewSonic VG180 | Service Manual - Page 27
VIEW PARTS LIST Ref. No Part No... : - .. , Description Q'ty 1 3091TKL007A CABINET ASS'Y 1 . . „ .. 6304TLT181D LCD MODULE, LGE TFT LCD LM181E-C2MN 18.1" 1 3 4814TKK064A INVERTER SCREW, PVS+4x10 (MSWR/FZMW) 2 Material F ViewSonic Corporation - 26 Confidential - Do Not Copy VG180-2 - ViewSonic VG180 | Service Manual - Page 28
LIST CAUTION: BEFORE REPLACING ANY OF THESE COMPONENTS, READ CAREFULLY THE SAFETY PRECAUTIONS IN THIS MANUAL. • NOTE : S SAFETY Mark A AL ALTERNATIVE PARTS MODEL: VIewSonic VG180-2 *5 j'AL I LOC. NO. PART NO. MAIN BOARD CAPACITORs C1 C3 C5 C7 C9 C10 C11 C12 C13 C14 C15 C16 C17 C18 C19 C21 C22 - ViewSonic VG180 | Service Manual - Page 29
gji • t. 1 MODEL. ViewSonic VG180-2 'S *AL LOC. NO. PART NO. C98 C101 C102 C105 C106 C107 C108 C109 C110 C111 C112 C113 C114 C115 C116 C117 TC], 10PF 50y D NPO 2012 R/TP CAPACITOR, CHIP [CERAMIC LD-LESS TC], 10PF 50V D NPO 2012 REP -28- . ViewSonic Corporation Confidential - Do Not Copy VG180-2 - ViewSonic VG180 | Service Manual - Page 30
MODEL: VlewSonlc VG180-2 *S 'AL LOC. NO. PART NO. C421 C422 C423 C424 C425 C427 C429 C431 C433 C434 C437 C439 C441 C443 C445 C448 C449 LESS TC], 56PF 50V J NPO 2012 REP CAPAC TOR, CHIP [CERAMIC LD-LESS TC], 56PF 50V J NPO 2012 WTP - 29 - ViewSonic Corporation Confidential - Do Not Copy VG180-2 - ViewSonic VG180 | Service Manual - Page 31
MODEL. ViewSonic VG180-2 "S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION DATE: 1999. 7.20. REMARK C587 0CH6560K416 CAPACITOR, CHIP [CERAMIC LD-LESS TC], 56PF CAPACITOR, CHIP [CERAMIC LD-LESS HD], 10000PF 50V K B 2012 R/TP - 30 - yiewSonic Corporation Confidential - Do Not Copy VG180-2 - ViewSonic VG180 | Service Manual - Page 32
fie MODEL. ViewSonic VG180-2 'S 'AL LOC. NO. PART NO. DESCRIPTION/SPECIFICATION DATE: 1999. 7.20. REMARK CBO6A 0CH3103K516 CAPAC TOR, CHIP [CERAMIC LD-LESS HID], 10000PF 50V K B 2012 RfTP C807 0CH8107H611 CAPAC TOR, CHIP [ - ViewSonic VG180 | Service Manual - Page 33
ViewSonic VG180-2 *5 'AL LOC. NO. PART 1MEGA X 16 SDRAM 125MHZ C, MACRONIX, MX88L282FC 256PQFP BK SXGA LCD INTEGRATION CHIP C, MOTOROLA, LSC4335DWR2 (LMOSD) 16P SOIC TP OSD INPUT SIG. SELECTOR C, PHILIPS, 74F04D 14P,SOIC TP HEX INVERTER C, TEXAS INSTRUMENT, SN74F86DR 14SOIC TP 2-INPUT EXCLUSIVE-OR G - ViewSonic VG180 | Service Manual - Page 34
MODEL ViewSonlc VG180-2 'S *AL LOC. NO. PART NO. , ACB2012M-300-7 TDK, CHIP BEAD,LCD CORE (CIRC), BEAD, ACB2012M-300-T TDK, CHIP BEAD,LCD CORE (CIRC), BEAD, ACB2012M-300-T TDK, CHIP BEAD,LCD CORE (CIRC), BEAD, HH-1M3216- ARRAY BEAD - 33 - ViewSonic Corporation Confidential - Do Not Copy VG180-2 - ViewSonic VG180 | Service Manual - Page 35
MODEL ViewSonic VG180-2 *5 *AL LOC. NO. PART NO. TRANSISTORs DESCRIPTION / SPECIFICATION DATE: 1999. 7. 20. REMARK Q1 02 Q6 Q12 013 RES STOR, CHIP, 510 1/10W 5 D.R/TP RES STOR, CHIP, 100 1/10W 5 D.R/TP RES STOR, CHIP, 10 1/10W 5 D.FUTP ViewSonic Corporation Confidential - Do Not Copy VG18O-2 - ViewSonic VG180 | Service Manual - Page 36
MODEL. ViewSonic VG180-2 'S 'AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION R305 ORH1000D622 RES STOR, CHIP, 100 1/10W 5 D.R/TP R306 , 75 1/10W 5 D.R/TP R701 ORH1002D622 RES STOR, CHIP, 10K 1/10W 5 D.R/TP ViewSonic Corporation - 35 - • : Confidential - Do Not Copy DATE: 1999. 7. 20. REMARK - ViewSonic VG180 | Service Manual - Page 37
MODEL. ViewSonic VG180-2 'S 'AL LOC. NO. PART NO. ri DESCRIPTION / SPECIFICATION R702 0RH1000D622 RES STOR, CHIP, 1001/10W 5 D.R/TP R703 CHIP-ARRAY RES STOR, CHIP, 100 OHM 1/16 W 5% 3215 R/TP CHIP-ARRAY - 36 - ViewSonic Corporation Confidential - Do Not Copy DATE: 1999. 7. 20. REMARK - ViewSonic VG180 | Service Manual - Page 38
ViewSonic VG180-2 'S 'AL LOG. NO. PART 6.0MHZ ,50PPM ,16PF TP ,LCD CONTROL BOARD LD1 Pal R01 R02 R03 R04 R05 CORD 6410TUW002B POWER CORD, SP305+IS14 1-SHENG UL/CSA 1870MM WALL 85964 GRAY INVERTER 6633TZA004A INVERTER ASSY, SAMSUNG LG1801 FOR 18.1" LCD MNT(LB880B) ADAPTER 6634TBZ006E ADAPTER, AC - ViewSonic VG180 | Service Manual - Page 39
U Green 2 input 9 Logic 16 CTL (H:IN, L:IN2) Ground 10 O O O 15 Blue output Blue 2 input 11 O 0 O 14 VD output Cf 1 VD 1 input 12 13 VD 2 input ViewSonic Corporation - 38 - Confidential - Do Not Copy VG180-2 - ViewSonic VG180 | Service Manual - Page 40
. SSTL-3 driver to ADC 3.3V to out drivers. Ground for output drivers. Inverted PECL driver to ADC. PECL driver to ADC Inverted PEDL driver to ADC deMUX input. PECL driver to ADC deMUX input. Reference current for PECL outputs. 5.. ViewSonic Corporation - 39 Confidential - Do Not Copy VG180-2 - ViewSonic VG180 | Service Manual - Page 41
/SOG =4 NC =6 M NC PD'''/CLAMP NC FTC 73- 1 NC UUUUH H, N N vrcli H., Ill N Lgj • z° :•d z T. a a g. 1 1 3 I ViewSonic Corporation t 1 VSYNC RST PC1 PCO VDD XTAL EXTAL VSS PB5 PB4 PB3 PB2 PB1 PBO IRQ PD3 PA7/PWM 15 PA6/PWM 14 PA5 PA1/PWM9 PA2/PWM10 - 40 - Confidential - Do Not Copy VG180-2 - ViewSonic VG180 | Service Manual - Page 42
D21, D22, D24, O25, D26 - D5, O10, D11, D16, D17, O23, D27 SHTDN CLKIN CLKSEL L. ViewSonic Corporation I 1 Parallel-Lode 7-Bit Shift Register A, B, ...G SHIFT/LOAD CLK Parallel-Lode 7-Bit Shift Register A, B, - Do Not Copy >1,Y0P Y0M YIP Yi M Y2P K>- Y2M Y3P Y CLKOUTP O- CLKOUTM VG180-2 - ViewSonic VG180 | Service Manual - Page 43
Power RESOLUTION FONT 12X18 12X3 I PIXIN BORIZONTAL CONTROL CHAR 4, HSYNC Ir. REGISTER 12 BITS SHIFT X 3 REGLSTERS L VDD Vss BACKGROUND GENERATOR U VDD COLOUR ENCOEDR 16 Vss 15 ir14 w13 y12,11 v R G B FBKG INT ?..i ViewSonic Corporation I 1 - 42 Confidential - Do Not Copy VG180 - ViewSonic VG180 | Service Manual - Page 44
17 LX5 16 OHS 15 CS5 otebookcompute Typical Application Diagram 5.5v_L TO T uv --> MAXIM MAX785 POWER uP SECTION +5V MEMORY PERIPHERALS SHII, DOWVIN 5VCWOCF rt 13V CAMPF SYNC -0- SUSPEND POWER TM Idie Mode is a tradormark of Maxin Integrated Products. -43- • E. IiewSonic Corporation - ViewSonic VG180 | Service Manual - Page 45
TYPE 2J 3 1. INPUT 2. GND 3. OUTPUT 1 1. Vcc 2. GND 3. OUT PARTS Regulator KA78M05R Reset IC KIA7045F 3 -'0 I 1 1. BASE 2. EMITTER 3. COLLECTOR PARTS Transistor KSC1623 ViewSonic Corporation - 44 - Confidential - Do Not Copy VG180-2 - ViewSonic VG180 | Service Manual - Page 46
SCHEMATIC.DIAGRAM 0 NTENTS 1. RGB Processor 2. ND Converters 0 3. Clocks r 4. Memory 5. Video Process MIN 6. Input Switching (T601-T648) 7. LVDS 8. DC/DC Converter 9. Micom (T901-1945) 10. Connectors & Jacks 11. Control iewSonic Corporation - 45 - Confidential - Do Not Copy VG180-2 - ViewSonic VG180 | Service Manual - Page 47
P125 4. I 4.7K e rPl r4 L1102 'I Pl2C> 15K MAP : C120 7f 7/ 10U/151) FIDCREflA ADCGRNA (2) ADCBLUR (2) /ADCREOR(2) /nDcGRNn(2) /nncnt. Lin( 2 ) ewSonic CorpoiationA -46- 5002 (7-3. 5CI ( =1r 5.5) VG180-2 - ViewSonic VG180 | Service Manual - Page 48
141111 R(121 1 10P1 0≥ _1' 61 NA/N._ ELUB< I> "V \ J A_ Uri< .1? 0041/11 17, 4212100 ._, A n ineI li,r., g "m / I-Lni -N.1> 'm 4___ /> /s 131.1.1B ,v,Avr, IA uli< 7> IS ...-- 13114I41.1 BLUER 7. .5> ( ) VG180-2 - ViewSonic VG180 | Service Manual - Page 49
Leno.karwra. 6,-a:iswaxcal a,w37.7.9 F;77:1,7-I. Fr • •.1 WiewSonic Corporation Ado ;ON oa - leguapyuo 3. 3VP CLOCKS C312 304 0 T337 T301 T325 10U/16V 319 99. 4. 2. 70 xt (9) SDRI (9 ) SCLI (5) DPEN (6 ) HS -PLL R30 7. po 6.2K 3. 3VP C303 10U/15V ii = C311 0. 1U I C3I0 el. iu - ViewSonic VG180 | Service Manual - Page 50
Viali-f/Sonic Corporation 1 A< g. . 0> 1415 Ara 0 roc 0- -1] . 3 1) 3. 3U C409 C411 0.1U 0. 1U 0-11-0- OA 1-01 C407 0. 1U -H 3.3V C427 0. LU 121111 ( ) 0. lo l.UO9 ) 10011 ( S ) L1000-1 CLK CI - ViewSonic VG180 | Service Manual - Page 51
5P 43 00412 15. C5(10 nr3,-, 0651 6653 St3P 1655 7.6P 065 7 nur 1659 0151) C),03 7.(1)' x,11 chf, 4 snr, cnr,r, 11;5(1 165,0 55), Vls*Sonic Coiporation IJ3- 6 e_ 3. 3V -50- C544 O. 1U 3. 3V Confidential - Do Not Copy - ViewSonic VG180 | Service Manual - Page 52
:1 = Issostemal licassmail = isaulsras151 uopeiochoo o!uosm AdOa jON Oa - leguapyuoo II 6 ( le ) RED R GRN-P r565 < 10 ) BLU-R ( 10 ) PEO-B rear 99. 4. 2. INPUT SWITCHING T601 " T648 1545 C60i 47U/6. 3V 0 0613 470P C602 0. 01U 9501 470K 51/5T 16 lenk R619 1K 152, 1.7 C615 - ViewSonic VG180 | Service Manual - Page 53
C732 VC:CP 77 11P4 21 I1,! (.1 l< I N MIN In (Ali ; 41 T 7111 11 f)- 703 1 OH - LU-S[ (9) C729 - O. 1U yiewSonic Corporation' I -52- Confidential - Do Not Copy VG180-2 - ViewSonic VG180 | Service Manual - Page 54
Ado° joN 0O - ieguapguoo Cl) O 0 -02 0 knew.r.-,n.ncni 6,44,ftvotwall tammtsmoii rah -11-8 99. 2. 11. DC/DC CONVERTOR T801 12u 110> 19-ERTCR PCFIER U3,31 7005 I 0 T832 T16' l C 0.01 C006 10U, /5v1- 0. 01U C826 0 LU 1.1505 75112 et, SUSI' (5. D. 10) 1853 /0,0J, coE4 0. 1U 12UP 111 - ViewSonic VG180 | Service Manual - Page 55
t3iSCLI (3 ) 5DR 1 8945 log P964 L. P965 4. 71< 4.7 C91O 19i! 7u Pg ( 10) D--`3D 1- ,s3w1 -w-1-OP (10) D -SCL P9 _0 5VST Confidential - Do Not Copy -54- : ,ViewSonic Corporation VG180-2 - ViewSonic VG180 | Service Manual - Page 56
ViewSonic Corporation (6, a, 9) 5VS T #1 VJ II - 147 CONNECTOR & J-nc C74 0. 1U C75 0.1U T I IC q --I re. al L_ ,V,----0 ) • p -5V5 S(1 1913 , -3 1211141 ( 1 1 , I C-62 O. f i I __ i T 2 C 0 0 4 eou/ E.3u C`- q n . 1 11 1. -55- 503 t F DI --C,RFFThic ) L.E -nriDEP( ) VG180-2 - ViewSonic VG180 | Service Manual - Page 57
rwV.Z.s. L.) U U L.) (ll a) CD O ©UvOQQOOE al _J IL _I CD 00Q O C11 cO c 0 co CC co cr) Cr) 0 cr) C 0 in O ViewSonic Corporation -56 : Confidential - Do Not Copy VG180-2 - ViewSonic VG180 | Service Manual - Page 58
PACKING AND ACCESSORIES CD-ROM Owner's ManualPower Cord (2EA) - (110V, 220V) Left Packing Adaptor 0.L Signal Cable Kit Box PE Bag e"-- • . 1 bi L Right Packing ViewSonic Corporation - 57 Confidential - Do Not Copy VG180-2
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Service
Manual
ViewSonic
VG180-2
Model
No.
VLCDS21520-2
18"
Color
TFT
LCD
Display
w
1
.
ViewSonic®
ViewSonic
lalvl
ml
-
I
0
(Rev.
1—
November
1999)
ViewSonic°
381
Bra
Canyon Road,
Walnut,
California
91789
USA
-
(800)
888-8583