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ViewSonic VG500-2, Руководство по обслуживанию


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Item

ViewSonic P/N

Ref. P/N

Location

Q'ty

Description

62

E-IC-0401-2893

6647051834

U004

20

63

E-IC-0401-2894

6647053550

U005

20

64

E-Q-0402-1622

6644009053

U007

20

65

E-IC-0401-2407

6646021651

U008

20

66

E-R-0405-6578

5162161020

VR01

20

67

E-X-0415-0135

6699114210

Y001-Y002

20

68

E-D-0403-2072

6615009858

ZD01-ZD04

20

69

E-D-0403-2127

6618018154

LED1

20

70

M-SW-0815-0187

5054512951

S101-S108

20

71

E-D-0403-2047

6613003059

D701

20

72

E-FS-0410-0099

5054440003

F801

20

73

M-MS-0808-8888

5056302056

J701

20

74

E-IC-0401-2568

6644005851

U701

20

75

E-FS-0410-0112

5054430090

F001

20

76

E-IC-0401-2520

6646000650

I001

20

77

E-IC-0401-2889

6645010202

I002

20

78

E-L-0407-1589

5062128355

L001

20

79

E-Q-0402-1180

6622002257

Q001

20

80

E-Q-0402-1621

6626004652

Q003-Q006

20

81

E-T-0408-0513

5061376800

T001-T002

20

CD-T-1032-575T

YC54T*4R7M 4.7UHM

MMBT3904 60V 0.1A

2N7002LT1

OZ960S

TPC-8401

RLS4148
FUSE 6125FA4A 125V/4A

EAR-PHONE JACK LJE0359A

AN7522

MMSZ5232B

DIODE LED

TACT SW. DC12V50MA

63V/3A 3216FF-3A-TR

SI4435DY-TI-A 30V 8A

RT34063ACS

0.3W B 1.0K OHM M

12M CRYSTAL

S524A40X21

MASCOT V2   MRT

!

!

ViewSonic Corporation 

28

 Confidential 

– Do Not Copy

VG500-2

Содержание VG500-2

Страница 1: ...Service Manual ViewSonic VG500 2 Model No VLCDS24349 2W 15 Color TFT LCD Display ViewSonic 381 Brea Canyon Road Walnut California 91789 USA 800 888 8583 VG500 2_SM_679 Rev 1a Oct 2003...

Страница 2: ...tents hereof and specifically disclaims any warranty of merchantability or fitness for any particular purpose Further ViewSonic reserves the right to revise this publication and to make changes from t...

Страница 3: ...otices 2 Specification 3 Front Panel Function Control Description 4 Circuit Description 5 Adjusting Procedure 6 Trouble Shooting Flow Chart 7 Recommended Spare Parts List 8 Exploded Diagram And Spare...

Страница 4: ...onitor before cleaning it Clean the cabinet with a clean dry cloth Apply non ammonia based cleaner onto the cloth not directly onto the glass screen Keep the monitor away from magnetic objects motors...

Страница 5: ...55 45 Tilt 5 20 Contrast Ratio Brightness 400 1 typical 250 1 minimum 200cd m min 250cd m typ Response Time Tr 7ms Tf 23ms Active Display Area 304 1mm H x 228 1mm V Temperature Operating 0 C 40 C 240h...

Страница 6: ...272MHz 12 VESA 1024x768 60Hz 65MHz 13 VESA 1024x768 70Hz 75 000MHz 14 VESA 1024x768 72Hz 78 000MHz 15 MAC 1024x768 75Hz 80 000MHz 16 VESA 1024x768 75Hz 78 750MHz 2 3 D SUB CONNECTOR PINASSIGNMENT Pin...

Страница 7: ...n 1 GND Ground 2 DC 12V Main DC 12V Input 3 GND Ground 2 5 Audio Input Jack J701 on I F Board Pin No Symbol Function 1 Ground 2 L_CH_Audio Input 3 R_CH_Audio Input 4 L_CH_Audio Return 5 R_CH_Audio Ret...

Страница 8: ...m in active mode 11 GND Ground 12 Power Power on off control port CON3 Connect to the PWB 0537 which is power audio board Pin No Symbol Function 1 SENSOR Detect audio I P signal 2 GND Ground 3 12V DC...

Страница 9: ...signal of odd pixel 21 OG1 Green data signal of odd pixel 22 OG0 Green data signal of odd pixel 23 GND Grounding 24 OR7 Red data signal of odd pixel 25 OR6 Red data signal of odd pixel 26 OR5 Red dat...

Страница 10: ...r frame line 8 STV1 Trigger the first line per frame 9 VDDD DC_3 3V for panel VCC 10 VDDD DC_3 3V for panel VCC 11 VDDD DC_3 3V for panel VCC 12 VDDD DC_3 3V for panel VCC 13 VDDD DC_3 3V for panel VC...

Страница 11: ...42 ER6 Red data signal of even pixel 43 ER5 Red data signal of even pixel 44 ER4 Red data signal of even pixel 45 ER3 Red data signal of even pixel 46 ER2 Red data signal of even pixel 47 ER1 Red dat...

Страница 12: ...s adjustment Low is Max High is Min 4 DC 5V DC 5V 5 CCFL_EN Backlight lamps enable ON high OFF low CN701 Connect to control board control the audio Pin No Symbol Function 1 L L_CH_SP_ Signal 2 L L_CH_...

Страница 13: ...aker Speaker Scrolls through menu options and adjusts the displayed control Also a shortcut to display the Contrast adjustment control screen Power On Off Displays the control screen for the highlight...

Страница 14: ...ur display Adjust your computer s graphic card so that it outputs a video signal 1024 x 768 60 Hz to the LCDdisplay Look for instructions on changing the refresh rate in your graphic card s user guide...

Страница 15: ...re explained below Volume increases the volume decreases the volume and mutes the audio Mute temporarily silences audio output Color Adjust provides several color options preset color temperatures and...

Страница 16: ...e between Horizontal and Vertical by pressing button 2 Horizontal moves the screen image to the left or to the right Vertical moves the screen image up and down Fine Tune sharpens focus by aligning th...

Страница 17: ...control Control Explanation OSD Timeout sets the length of time an on screen display screen is displayed For example with a 15 second setting if a control is not pushed within 15 seconds the display s...

Страница 18: ...ge Adjust function 3 Press up and down button simultaneously will reset the contrast and brightness to default value 4 Press 1 button will enter OSD main menu 5 Press volume plus volume minus can dire...

Страница 19: ...iming controller TCON that connects directly to commercially available row and column drivers All TCON signals OCLK ECK ORGB ERGB OSP ESP OPOL OINV EINV on pin 68 to pin 79 of U005 have programmable d...

Страница 20: ...atch pattern 2 Press Auto image set up Direct access 2 Key 3 Brightness set at maximum 4 Switch pattern to full screen pixel on off pattern with R B color off and Green on Green color level set at lev...

Страница 21: ...ill show Burn In Mode Setting Then set or buttons you can find set Burn In Mode Information about this monitor 2 2 ViewSonic Corporation 18 Confidential Do Not Copy VG500 2 button the OSD will show Fa...

Страница 22: ...solution 5 white block pattern 5 Power Lock Press and buttons simultaneously for 10 seconds and the Power will be locked Repeat the action and the power will be unlocked 1 1 ViewSonic Corporation 19 C...

Страница 23: ...6 OSD Lock Press and buttons simultaneously for 10 seconds and the OSD will be locked Repeat the action and the OSD will be unlocked 1 ViewSonic Corporation 20 Confidential Do Not Copy VG500 2...

Страница 24: ...s 1 Choose a correct mode name 2 Press Caps Lock then key in the bar code number STHTAA00001 And then Press Enter The screen shows a green color sentence Receive DDC Data OK 3 Be sure both the bar cod...

Страница 25: ...Zfbs0Xfflt 3114012 Tfsjbm Op 11112 ViewSonic Corporation 22 Confidential Do Not Copy VG500 2...

Страница 26: ...laceU001 End End The Voltage across C801 is 12V Replace F801 Check O P of U801 at pin7 pin10 Replace U801 The Voltage at L802 O P is 5V Replace U802 The Voltage across Q702 is 5V Replace Q702 Yes Yes...

Страница 27: ...age of I001 2 is 3 3V Replace I001 No Next Replace Y001 C003 C004 No Replace U005 MASCOT V2 End Check Y001 crystal clock Yes Replace U001 Still No LED ViewSonic Corporation 24 Confidential Do Not Copy...

Страница 28: ...LACE MV2 End Are two flex cables attached firmly at the LCD panel connectors Replace V901 LCD panel End Are two flex cables attached firmly at CON5 CON6 Are the input waveforms of M V2 normal Tighten...

Страница 29: ...O Check if CN701 is connected to U701 properly No Replace U701 U701 1 voltage is 12V Yes YES No sound Check if mute key is pressed Check U801 output 7 is normal No Replace U801 Check U701 output 2 4 1...

Страница 30: ...09 9522880257 1P03 100 42 M LCD 0826 0169 5051253608 PANEL 5 43 M FC 0809 0080 5784610007 FFC1 20 44 E SK 0412 0076 5055123300 SPK L 20 45 E SK 0412 0077 5055123301 SPK R 20 46 E D 0403 2128 664000772...

Страница 31: ...MS 0808 8888 5056302056 J701 20 74 E IC 0401 2568 6644005851 U701 20 75 E FS 0410 0112 5054430090 F001 20 76 E IC 0401 2520 6646000650 I001 20 77 E IC 0401 2889 6645010202 I002 20 78 E L 0407 1589 506...

Страница 32: ...OR KA431AZ DA1 27 E D 0403 2126 6613000554 DIODE SMD SWITCHING BAV99 DN1 DN2 DN3 28 6613003753 DIODE SMD SWITCHING 1N4148 D1 29 6615002200 ZENER DIODE SR24 D2 D3 D4 D5 D6 30 6615025153 TZM5234B TZQ523...

Страница 33: ...THICK FILM CHIP 0603 1 16W 7 5K R80 70 5134110009 RESISTOR THICK FILM CHIP 0603 1 16W 100R 1 R81 71 5134162009 RESISTOR THICK FILM CHIP 0603 1 16W 620R 1 R83 72 5134112519 RESISTOR THICK FILM CHIP 06...

Страница 34: ...656 5057900521 CON8W 1 33 A AU 0120 0035 5784010102 AUDIO 1 34 A VC 0101 0272 5784011503 15P1 1 35 P BX 0601 0878 9513340156 1P01 1 36 P FM 0602 0608 9522880157 1P02 1 37 P FM 0602 0609 9522880257 1P0...

Страница 35: ...300708 DC POWER JACK LD 0202H 2 5 J800 21 5062141600 COIL CHOKE SMD 10UH 600KHZ L704 22 E Q 0402 1561 5062130208 COIL CHOKE 2CB160808A800 L703 L702 23 5062142300 COIL CHOKE CHK 423 L801 L830 24 E R 04...

Страница 36: ...IL CHOKE YC54T 4R7M L001 21 5056900313 BASE PIN S5B PH SM3 TB P001 22 5056415282 BASE PIN SM02 8 0 B BNS 1 TB P002 P003 23 E Q 0402 1180 6622002257 TR NPN SMD MMBT3904 Q001 24 E Q 0402 1621 6626004652...

Страница 37: ...51 52 53 ViewSonic Corporation 34 Confidential Do Not Copy VG500 2 8 Exploded Diagram And Spare Parts List...

Страница 38: ...78 5055123300 1 Speaker Ass Y L R SPEAKER 2 23 M MS 0808 8276 5731433900 KENSHING TON 3C05 1 24 M MS 0808 8279 5731708200 HINGE L 2B02 1 25 M MS 0808 8278 5731708100 HINGE R 2B01 1 26 M MS 0808 8285 5...

Страница 39: ...CREW PZP M3x8 P TYPE S PC Key board 3 S 5 M SCW 0824 6727 7134161186 SCREW PZP M3x8 P TYPE S PC Neck plate 4 S 5 M SCW 0824 6727 7134161186 SCREW PZP M3x8 P TYPE S PC b c chassis 4 S 5 M SCW 0824 6727...

Страница 40: ...Disassembly Of Rear Cover 1 Unscrew nine screws of Base Plate and remove 2 Remove key control cover from LCD Monitor Chassis ViewSonic Corporation 37 Confidential Do Not Copy VG500 2...

Страница 41: ...crews and remove front cover 4 Unscrew seven screws to separate LCD panel assembly from rear cover and disconnect two connectors to remove key control Board ViewSonic Corporation 38 Confidential Do No...

Страница 42: ...rd and Power Audio Board ViewSonic Corporation 39 Confidential Do Not Copy VG500 2 1 Unscrew eight screws that secure shielding plate and remove 2 Unscrew four screws that secure Power Audio Board and...

Страница 43: ...tion 40 Confidential Do Not Copy VG500 2 3 Unscrew three screws that secure Inverter Board and disconnect three connectors to remove 4 Unscrew four screws that secure Main Board and disconnect four co...

Страница 44: ...IIC BUS LCD PANEL U801 Back Light Column Drive Row Drive Back Light Power R G B H V SYNC U002 CCFL EN Brightness control 12V 12Vdc Form Adaptor RT9164 CG RT34063A RT916A32 CG 12V DC Q009 I3 PPWR0 Q010...

Страница 45: ...Q1 3904 C9 0 1uF Q2 3904 C7 0 1uF C10 0 1uF C8 0 1uF C11 0 1uF C2 0 1uF Y1 12MHZ R15 100R C17 0 1uF C16 470uF 16V CON3 T B12B ZR 1 2 3 4 5 6 7 8 9 10 11 12 C18 220uF 16V Q3 3906 3 1 2 I1 RC1117M 3 3 1...

Страница 46: ...2 14 15 11 1 5 2 4 13 3 16 7 8 10 S1 E 1Y0 1Y1 1Y2 1Y3 2Y0 2Y1 2Y2 2Y3 1Z 2Z VCC VEE GND S0 CON4 1216 064 15S AAC 1 6 2 7 3 8 4 9 5 11 12 13 14 15 10 16 17 R29 150R C23 NC U12 SCREW3 5 1 2 3 4 5 6 7 8...

Страница 47: ...44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 120 119 118 117 116 115 114 113 112 111 110 109 108 107 106 105 104 103 102 101 100 99 98...

Страница 48: ...R1 ER2 EG1 ER4 EB1 EB4 EB0 EB7 EB6 EB3 EB5 EB2 VDDD VCOM VDDA VDDG VEEG C91 56pF C90 56pF C89 56pF C88 56pF C95 56pF C94 56pF C114 56pF C119 56pF C117 56pF C116 56pF C112 56pF C115 56pF C113 56pF C118...

Страница 49: ...TZM5234B TZQ5234B MMSZ5234B D6 SR24 C150 10uF 16V Q7 DTC114TKA KSR1110 C130 10uF 16V U7 4435 SO8 1 2 3 4 8 7 6 5 S1 S2 S3 G D4 D3 D2 D1 Q4 SI2303DS FDN360P 1 3 2 L13 YC54 680K SR0604680KS I3 RT9164CG...

Страница 50: ...GND GND CN101 T S5BPH K 1 2 3 4 5 S102 SKHHPL2420 TT 1 2 3 4 1 2 3 4 CN103 T S2B ZR 1 2 CN104 T B12B_ZR 1 2 3 4 5 6 7 8 9 10 11 12 S105 SKHHPL2420 TT 1 2 3 4 1 2 3 4 S103 SKHHPL2420 TT 1 2 3 4 1 2 3...

Страница 51: ...10K C806 10nF 25V C811 220uF 16V R801 410K Q830 DTC114TKA KSR1110 C834 33uF 10V R833 2 2K C808 180pF 25V C803 100uF 16V R804 0 C807 3 3nF 25V R805 0 D801 2A 40V C830 0 1uF R834 0R C813 NC U801 8 7 6 5...

Страница 52: ...10 AN7522 1 2 3 4 5 6 7 8 9 10 11 12 VCC CH1 O P GND CH1 O P STAND BY CH1 I P GND CH2 I P VOLUME CH2 O P GND CH2 O P C715 1000pF R702 270K L703 2CB160808A800 C705 470uF 16V R706 0 R715 10K R717 0 C716...

Страница 53: ...TP TP TP TP ViewSonic Corporation Confidential Do Not Copy VG500 2 50...

Страница 54: ...ViewSonic Corporation 51 Confidential Do Not Copy VG500 2 11 PCB Layout Diagrams...

Страница 55: ...ViewSonic Corporation 52 Confidential Do Not Copy VG500 2...

Страница 56: ...justing Procedure 6 Trouble Shooting Flow Chart 7 Recommended Spare Parts List 8 Exploded Diagram And Spare Parts List 9 Block Diagram 10 Schematic Diagrams 11 PCB Layout Diagrams C Do you have any ot...

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