ViewSonic VG2021m-1 Service Manual Download

Page: 65 / 73

Model

Title

Date

Rev:

ViewSonic Corporation

FB0N

FB0P

FB1N

FB1P

FB2N

FB2P

FG0N

FG0P

FG1N

FG1P

FG2N

FG2P

FR0N

FR0P

FR1N

FR1P

FR2N

FR2P

BB0N

BB0P

BB1N

BB1P

BB2N

BB2P

BG0N

BG0P

BG1N

BG1P

BG2N

BG2P

BR0N

BR0P

BR1N

BR1P

BR2N

BR2P

FCKP

FCKN

BCKP

BCKN

BSTH

FSTH

GVOFF

STB

STV

CPV

POL

SAR1

SAR2

LED_GL

LED_OR

DCDC_ON/OFF

GNDR

RIN

GNDG

GIN

GNDB

BIN

SOG

VSYNC

HSYNC

DDCA_CLK

R+

R-

G+

G-

B+

B-

CLK+

CLK-

DDCD_DAT

SAR2

SAR1

DDCA_DAT

DDCD_CLK

DVI

DSUB

DVI

FB0N

FB0P

FB1N

FB1P

FB2N

FB2P

FG0N

FG0P

FG1N

FG1P

FG2N

FG2P

FR0N

FR0P

FR1N

FR1P

FR2N

FR2P

BB0N

BB0P

BB1N

BB1P

BB2N

BB2P

BG0N

BG0P

BG1N

BG1P

BG2N

BG2P

BR0N

BR0P

BR1N

BR1P

BR2N

BR2P

FCKP

FCKN

BCKP

BCKN

BSTH

FSTH

GVOFF

STB

STV

CPV

POL

AUD_DET

VCM_PWM

PANEL_ON/OFF

INV_ON/OFF

INV_ADJ

LED_GL

LED_OR

VOL_ADJ

DCDC_ON/OFF

GNDR

RIN

GIN

GNDG

BIN

GNDB

SOG

VSYNC

HSYNC

DDCA_DAT

DDCA_CLK

R+

R-

G+

G-

B+

B-

CLK+

CLK-

DDCD_DAT

DDCD_CLK

V33C

V18C

V5A

AUDIO_ON

RIGHT

POWER

AUTO

LEFT

TURBO

VCTRL

AUTO

POWER

LEFT

RIGHT

TURBO

V12A

DVI_5V

DSUB_DET

Vref

AVDD

VDDC

VDPP

AVDD

VPLL

VDVI VMPLL

GND

VDPP

VMPLL

VDVI

GND

VPLL

GND

AVDD

GND

VDDC

VCC18

VCC33

V5A

GND

VCC33

GND

VCC33

GND

VCC33

GND

VCC33

GND

VCC33

GND

Close to respective power Pins

TURBO

RIGHT

+LEFT

+POWER

1.77V

1.24V

0.47V

AUTO

VOLTAGE

0.47V

POWER

1.77V

LEFT

RIGHT

1.24V

SR1(1.77) SR2(0.93)

need to modify, the SAR is
6 bits and the max voltage
is 1.8V

12v

C150

0805/10u/6.3V/5/open

C150

0805/10u/6.3V/5/open

R117 0603/100R/5%

R212

0603/2.7K/1%

R212

0603/2.7K/1%

0603/10K/5%

VMPLL1

0603/10K/5%

/open

0603/10K/5%

/open

116

0603/10K/5%

116

0603/10K/5%

C92

0603/100n/25V/7

C92

0603/100n/25V/7

0603/10K/5%

PEN

0603/10K/5%

PEN

L14

C75

0603/100n/25V/7

C75

0603/100n/25V/7

R118 R0603/OPEN

L10

R201

0603/10M/5%/RoHS/OPEN

R201

0603/10M/5%/RoHS/OPEN

L13

VCC

SCL

SDA

GND

AT24C16AN-10SU-2.7/RoHS

C89

0603/100n/25V/7

C89

0603/100n/25V/7

C67

0603/100n/25V/7

C67

0603/100n/25V/7

C65

1206/10u/16V/X/PbF

C65

1206/10u/16V/X/PbF

C93

0603/22p/50V/N

C93

0603/22p/50V/N

C78

1206/10u/16V/X/PbF

C78

1206/10u/16V/X/PbF

VDVI1

R200

0603/10M/5%/RoHS/OPEN

R200

0603/10M/5%/RoHS/OPEN

C76

1206/10u/16V/X/PbF

C76

1206/10u/16V/X/PbF

0603/10K/5%

R139

0603/12.1K/1%/OPEN

R139

0603/12.1K/1%/OPEN

Y1
14.31818MHz

SAR11

C56

0603/100n/25V/7

C56

0603/100n/25V/7

R213

0603/0R/5%/open

R213

0603/0R/5%/open

R105 0603/100R/5%

PEN

0603

PEN

0603

C77

0603/100n/25V/7

C77

0603/100n/25V/7

R120 0603/10K/5%

R140

0603/3.3K/1%/OPEN

R140

0603/3.3K/1%/OPEN

C70

0603/10n/25V/7/RoHS

C70

0603/10n/25V/7/RoHS

0603/10K/5%

R110 0603/100R/5%

C79

0603/100n/25V/7

C79

0603/100n/25V/7

C57

0603/100n/25V/7

C57

0603/100n/25V/7

C74

1206/10u/16V/X/PbF

C74

1206/10u/16V/X/PbF

C91

0603/100n/25V/7

C91

0603/100n/25V/7

SAR21

AVDD1

R119 R0603/OPEN

0603/10K/5%

C80

1206/10u/16V/X/PbF

C80

1206/10u/16V/X/PbF

VDPP1

VPLL1

L11

R103 0603/100R/5%

0603/30K/5%

C68

0603/100n/25V/7

C68

0603/100n/25V/7

C55

1206/10u/16V/X/PbF

C55

1206/10u/16V/X/PbF

L17

R214

0603/0R/5%/open

R214

0603/0R/5%/open

R121 0603/100R/5%

R137

0603/20K/1%/OPEN

R137

0603/20K/1%/OPEN

C84

1206/4.7u/16V/Y

C84

1206/4.7u/16V/Y

R102

0603/4.7K/0.1%/RoHS

R102

0603/4.7K/0.1%/RoHS

R1000603/100R/5%

C58

0603/100n/25V/7

C58

0603/100n/25V/7

C152

0805/10u/6.3V/5/open

C152

0805/10u/6.3V/5/open

R104 0603/100R/5%

0603/20K/1%

PEN

0603/20K/1%

PEN

R127

0603/20K/1%/OPEN

R127

0603/20K/1%/OPEN

C59

0603/100n/25V/7

C59

0603/100n/25V/7

R128

0603/23.2K/1%/OPEN

R128

0603/23.2K/1%/OPEN

0603/10K/5%

CE#

SDO

WP#

VSS

SDI

SCK

HOLD#

VDD

Pm25LV512

VDDC1

GPO51

C90

0603/100n/25V/7

C90

0603/100n/25V/7

R101 0603/100R/5%

R138

0603/23.2K/1%/OPEN

R138

0603/23.2K/1%/OPEN

C81

0603/100n/25V/7

C81

0603/100n/25V/7

C86

0603/100n/25V/7

C86

0603/100n/25V/7

C85

0603/100n/25V/7

C85

0603/100n/25V/7

0603/10K/5%

C60

0603/100n/25V/7

C60

0603/100n/25V/7

MMBT3904-F

C94

0603/22p/50V/N

C94

0603/22p/50V/N

R67

0603/12.1K/1%/OPEN

R67

0603/12.1K/1%/OPEN

0603/10K/5%

C66

0603/100n/25V/7

C66

0603/100n/25V/7

OUT

VDD

VSS

RN5VD40AA/RoHS

R124 0603/390R/1%

C87

0603/100n/25V/7

C87

0603/100n/25V/7

C88 0603/100n/25V/7

L12

HCB2012KF-420T40

L12

HCB2012KF-420T40

RIN0P

GIN0P

SOGIN0

BIN0P

RIN0N

GIN0N

BIN0N

HSYNC0

VSYNC0

REXT

REFP

REFM

SDO

SCK

SCZ

SDI

GPIO_P27/PWM1

PWM1/GPIO_P25

NC/LVACKM/NC

108

XIN

XOUT

RA1P/LVA2P/RA2

109

RA1N/LVA2M/RA3

110

RA2P/LVA1P/RA4

111

RA2N/LVA1M/RA5

112

RA3P/LVA0P/RA6

113

RA3N/LVA0M/RA7

114

CLKAP/LVB3P/LHSYNC

118

CLKAN/LVB3M/LVSYNC

119

CLKBP/LVBCKP/LCK_ODD

120

CLKBN/LVBCKM/LDE

121

NC/LVB2P/NC

122

NC/LVB2M/NC

123

BB1P/LVB1P/BB2

124

BB1N/LVB1M/BB3

125

BB2P/LVB0P/BB4

126

BB2N/LVB0M/BB5

127

NC/LVACKP/NC

107

GA3N/LVA3M/GA7

106

GA3P/LVA3P/GA6

105

GND

RX2P

RX2N

RX1P

RX1N

DD_DV

RX0P

RX0N

RXCKP

RXCKN

GND

116

DDP

DDC

MODE[1]

104

MODE[0]

102

VCTRL

DDP

DD_OT

DDCA_SDA/RS232_Tx

DDCA_SCL/RS232_Rx

DDCD_SDA

DDCD_SCL

PWM0/GPIO_P26

DD_DV

DDC

GPIO_P15/PWM0

PWM2/GPIO_P24

GPIO_P12

RSTN

GPIO_P00/SAR1

GPIO_P01/SAR2

GPIO_P06

GPIO_P07

GPIO_P13

GPIO_P14

GPIO_P16/PWM2

DDCROM_SDA

DDCROM_SCL

RST

GA2P/NC/GA4

100

GA2N/NC/GA5

101

GA1P/NC/GA2

GA1N/NC/GA3

BA3P/NC/BA6

BA3N/NC/BA7

BA2P/NC/BA4

BA2N/NC/BA5

BA1P/NC/BA2

BA1N/NC/BA3

RB1P/NC/RB2

RB1N/NC/RB3

RB2P/NC/RB4

RB2N/NC/RB5

RB3P/NC/RB6

RB3N/NC/RB7

GB1P/NC/GB2

GB1N/NC/GB3

GB2P/NC/GB4

GB2N/NC/GB5

GB3P/NC/GB6

GB3N/NC/GB7

BB3P/NC/BB6

128

BB3N/NC/BB7

ESP

OSP

GPO0

GPO1

GPO2

GPO3

GPO4

GPO5

GPO6

GPIO_P02/SAR3

GPIO_P03

GPIO_P22

GPIO_P23

AVD

_PL

DD_M

DDP

103

DDP

115

DDC

117

AVD

_AD

GND

TSUM57AK

R134

0603/3.3K/1%/OPEN

R134

0603/3.3K/1%/OPEN

Frame inversion : GPO5

, GPO6

POL (

不

接

原

來

GPO5

GVOFF), GPO0

接

GVOFF (

GVON)

原接

DVI

(R,G,B )

12v

漏

電

會干擾

偵測所以改成

POWER_ON-OFF

erased,

Write Protect

會讓軟體

所以外加

電

路

ViewSonic Corporation

VG2021m-1

Confidential - Do Not Copy

Summary of Contents for VG2021m-1

Page 1: ...ViewSonic VG2021m 1 Model No VS11234 20 Color TFT LCD Display VG2021m 1_SM Rev 1a Apr 2006 ViewSonic 381 Brea Canyon Road Walnut California 91789 USA 800 888 8583 Service Manual Display...

Page 2: ...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 and to make change...

Page 3: ...anel Function Control Description 12 4 Circuit Description 17 5 Adjustment Procedure 18 6 Troubleshooting Flow Chart 51 7 Recommended Spare Parts List 59 8 Exploded Diagram and Exploded Parts List 63...

Page 4: ...No modification of any circuit should be attempted Service work should only be performed after you are thoroughly familiar with all of the following safety checks and servicing guidelines 3 Safety Ch...

Page 5: ...When designing the enclosure it should be taken into consideration that no bending twisting forces may be applied to the TFT Module from outside Otherwise the TFT Module may be damaged 12 The cold cat...

Page 6: ...he surface of the polarizer Surface of the panel is pressed by fingers this may cause MURA Take out the monitor with cushion Take out the monitor by grasping the LCD panel That may cause MURA Place th...

Page 7: ...de Max 1 W Audio W 2 5W Tilt 5 20 Swivel xx xx No Pivot XX XX No Ergonomics Height Adjust XX XX mm No OSD Control 1 2 X X Yes Physical W x H x D 459 x 465 x 205 mm 18 1 x18 3x8 1 in Dimension Package...

Page 8: ...ted without damage Over Current Protection N A Leakage Current 3 5mA Max at 254VAC 60Hz EFFICIENCY 80 typical at 115VAC Full Load Fuse Internal and not user replaceable Power Dissipation 50 Watts typ...

Page 9: ...768 70Hz 56 5kHz Yes Yes 14 1152X 864 75Hz 67 5kHz Yes Yes 15 1152X 870 75Hz 70 8kHz Yes Yes 16 1024 x 768 75Hz 60 0kHz Yes Yes 17 1280 x 1024 60Hz 63 4kHz Yes Yes 18 1280 x 1024 75Hz 79 97kHz Yes Yes...

Page 10: ...bit FRC panel 150 130 typ 130 110 min CR 10 Viewing Angle Horizontal vertical 170 150 typ 150 130 min CR 5 Response Time 10 90 Ta 25 C 8 ms Tr 2 ms Tf 6 ms Typ 18 ms Tr 7 ms Tf 11 ms Max Panel Defect...

Page 11: ...Orange Power Saving Standby Power On Off Audio Mute button turns the sound off Displays the Main Menu or exits the control screen and saves adjustments Scrolls through menu options and adjusts the di...

Page 12: ...from this screen You can toggle between control screens adjust the selected option or exit the screen 4 To adjust the setting press the up p or down q buttons 5 To save the adjustments and exit the m...

Page 13: ...y becoming the industry standard for color management with support being included in many of the latest applications Enabling this setting allows the LCD display to more accurately display colors the...

Page 14: ...1400 x 1050 60Hz recommended means that the resolution is 1400 x 1050 and the refresh rate is 60 Hertz Manual Image Adjust Sub menu H Size Horizontal Size adjusts the width of the screen image H V Po...

Page 15: ...ears OSD Position allows the user to move the OSD menus and control screens OSD Timeout sets the length of time the OSD screen is displayed For example with a 30 second setting if a control is not pus...

Page 16: ...s and spread spectrum support for EMI management The TSUM57AK incorporates the world s first coherent oversampled RGB graphics ADC in a monitor controller system The oversampling ADC samples the input...

Page 17: ...CD monitor will start the Auto Adjust process automatically and run for 10 consecutive seconds during which time you will notice the image change 3 Firmware Test Patten Burn in Model Refer to Chap3 Ho...

Page 18: ...0 Black Box Test Signal 1400 1050 60Hz Test Pattern Window standard pattern Inspection Item Bright Dot Line Defect Power 11 RED Test Signal 1400 1050 60Hz Test Pattern Full Screen Red Inspection Item...

Page 19: ...e_0 100_V Vertical 64 256 Gray Scale right left From 0 to 100 White Figure 1 2 Gray_Scale_0 100_H Horizontal 64 256 Gray Scale up down From 0 to 100 White Figure 2 3 Black Full Screen Black Figure 3 4...

Page 20: ...ViewSonic Corporation 17 Figure 5 Figure 6 Figure 7 Figure 8 VG2021m 1 Confidential Do Not Copy...

Page 21: ...lel Printer cable ISP tool Fig 1 Software ISP driver If the O S was Win2000 or Win XP please have to install PORT95NT exe Fig1 In order to ensure can execute ISP program please set BIOS in PC or Noteb...

Page 22: ...yson Century website http www myson com tw 2 2 After extracting the zip file the total files list as Fig 2 2 and double click the file of setup exe to install Fig 2 2 2 3 Press Next button to continue...

Page 23: ...ess Change button for selecting the path that you want and then press Next button to continue see Fig 2 4 2 5 Press Install button to continue see Fig 2 5 Fig 2 5 Fig 2 4 ViewSonic Corporation 20 VG20...

Page 24: ...Information shows package warning press Ignore button to continue see Fig 2 6 Fig 2 6 2 7 Installation has finished press Finish button see Fig 2 7 Fig 2 7 ViewSonic Corporation 21 VG2021m 1 Confiden...

Page 25: ...we could find the shortcut in the setting path or the program bar default setting see Fig 3 1 Fig 3 1 2 2 Security file is a key to use ISP function press button see Fig 3 2 Fig 3 2 ViewSonic Corpora...

Page 26: ...ause ISP function fail it is limited by IIC protocol press button see Fig 3 3 Fig 3 3 2 4 Press Create Security File button to key in security code Adjusting bar to decrease speed of IIC bus see Fig 3...

Page 27: ...nd different security code between hardware ISP and software ISP The security code of software ISP is set by user while coding but the security code of hardware ISP is set by Myson Century Fig 3 5 Vie...

Page 28: ...6 Fig 3 6 shows the setting for security code of hardware ISP it needs 4 Command No and key in command sequentially for 94 94 AC CA 53 Fig 3 6 ViewSonic Corporation 25 VG2021m 1 Confidential Do Not Co...

Page 29: ...t needs 2 Command No and key in command sequentially for 7C 4C 77 The Command No and command must be set by user while coding About the detail of setting please refer to Section 6 Boot code of ISP Fig...

Page 30: ...4 1 4 2 f user changes the MTV type it must load file again or the buffer of load file will be cleared 4 3 RC cyclic redundancy check the host can check CRC register s result instead of reading every...

Page 31: ...content it is according to program the boot code while coding The limitation is used for the security of customer s code Select Read Target item and press RUN button the MCU content will show as Fig 5...

Page 32: ...5 2 If user uses hardware ISP to read MCU content it shows as Fig 5 2 Fig 5 2 ViewSonic Corporation 29 VG2021m 1 Confidential Do Not Copy...

Page 33: ...message as below Note 1 Disable the Enter ISP Mode option to avoid the error message display 2 If you using the MTV312M64 or before MCU serials the MCU will always in ISP Mode even programming fail o...

Page 34: ...tware ISP could read the MCU content 5 MTV212M MTV312M MTV230M MTV412M MTV512M CS8954 support software ISP 7 3 Boot code of software ISP 1 Initialize MCU a Define the I O pin to HSCL 1 and HSDA 1 b De...

Page 35: ...7 4 The followings show the relationship between the code and the security code ViewSonic Corporation 32 VG2021m 1 Confidential Do Not Copy...

Page 36: ...or Schematic 9 Adatptor Linking The Monitor Set Connect with Printer Cable 25Pins to 25Pins PC HOST Connect with VGA Cable 15Pins to 15Pins ISP Adaptor ViewSonic Corporation 33 VG2021m 1 Confidential...

Page 37: ...the monitor Figure 1 1 2 Put the monitor in the PE bag and seal the bag with tape Figure 2 1 3 Put the cushions on the monitor Figure 3 1 4 Place the monitor into the carton and then put all the acces...

Page 38: ...and Disassembly 1 Separate Stand Assy 1 1 Remove Stand Cover Step 2 Remove the Stand Cover Step 5 Completed Step 3 Press the mark A of Rear Cover Step 1 Remove the Seat Assy Step4 Remove the Stand Ass...

Page 39: ...r Rear Case Assy Separate Bezel hooks to take Bezel and Rear Cover apart Step 1 Loose and remove 4 screws Step 2 Separate Bezel hooks to take Bezel and Rear Cover apart Step 3 Remove Rear Cover Step 4...

Page 40: ...r Board and AD Board 3 1 Remove Metal Cover Step 1 Remove FFC from OSD Board Step 3 Remove 2 pieces of Backlight wires Step 2 Lift up LCD module and remove bezel Step 4 Remove 2 pieces of Backlight wi...

Page 41: ...ViewSonic Corporation 38 Step 5 Loose and remove 4 screws Step 7 Loose and remove 2 screws Step 8 Loose and remove 2 screws Step 6 Remove the Support Plate VG2021m 1 Confidential Do Not Copy...

Page 42: ...c Corporation 39 3 2 Remove Power Board and AD Board Step 9 Loose and remove 2 screws Step 10 Remove the PCBA Cover Step 1 Loose and remove 4 screws Step 2 Remove Lips Board VG2021m 1 Confidential Do...

Page 43: ...ViewSonic Corporation 40 Step7 Completed Step 4 Remove 2 pieces of FFCs Step 3 Remove the FFC Step 5 Loose and remove 4 screws Step 6 Remove AD PCBA VG2021m 1 Confidential Do Not Copy...

Page 44: ...hange New AD Board and Power Board Step 1 Place new AD Board And fasten 4 fixed screws Step 4 Insert FFC Step 3 Insert 2 pieces of FFCs Step 2 Fasten 4 fixed screws Step 5 Insert new Lips Board VG2021...

Page 45: ...oration 42 5 Remove OSD Board Step 6 Fasten 4 fixed screws Step 7 Completed Step 3 Loose and remove 2 screws Step 2 Separate both Audio Cables and OSD board Step 1 Remove the FFC VG2021m 1 Confidentia...

Page 46: ...ge New OSD Board Step 5 Completed Step 1 Place new OSD Board and insert FFC Step 4 Insert Audio cables and FFC Step 4 Remove the FFC and OSD board Step 2 Fasten 2 screws Step 3 Join new OSD board VG20...

Page 47: ...tion 44 7 Add Cover to AD PCB Heatsink Step 1 Join the PCB Cover Step 3 Fasten 2 fixed screws Step 2 Fasten 2 fixed screws Step 4 Fasten 2 fixed screws Step 5 Join the Support Plate VG2021m 1 Confiden...

Page 48: ...Step 11 Completed Step 10 Insert FFC Step 6 Fasten 4 fixed screws Step 8 Insert 2 pieces of Backlight wires Step 7 Insert 2 pieces of Backlight wires Step 9 Join LCD module and remove bezel VG2021m 1...

Page 49: ...on 46 8 Rear Assy Stand Assembly Step 1 Place Rear Cover Step 2 Fasten 4 fixed screws Step 4 Join the Stand Cover Step 5 Join the Seat Assy Step 6 Completed Step 3 Place the Stand Assy VG2021m 1 Confi...

Page 50: ...ark Dot Backlight Light Leakage Mura Image Sticking Brightness spot Particle Dot Defect Check Panel Light On Test Next Step Panel Change Should be Performed to Level 3 Repair stage Abnormal Display TE...

Page 51: ...B Change Inverter B Change Power B Change Check Panel Display Noise Beat Display Shut Down Abnormal Beat Display Flicker No Backlight Display Wave B Panel Change Adapter Change Check Adapter Panel Ch...

Page 52: ...g Delay C Beat Display No Backlight Check PCBA AD B Change Inverter B Change Power B Change Check Panel Check PCBA Panel Change Power B Change Inverter B Change CNT B Change AD B Change Check PCBA VGA...

Page 53: ...eck Panel Horizontal Weak Line Next Step TEST NG AD B Change Panel Change Horizontal Band Defect C Vertical Band Defect Power Saving Display Abnormal Check PCB Check PCBA AD B Change Inverter B Change...

Page 54: ...SD Cable Inverter B Power B Change OSD B Change AC Power Change DC Power CNT Cable Change Adapter Change Check Adapter Check PCBA Check Wire OSD Cable Inverter B Power B Change OSD B Change DC Power C...

Page 55: ...Inverter B Power B Change OSD B Change D sub cable VGA cable DVI cable BIOS Update Abnormal Loudspeaker Check PCBA Check Wire AD B Change CNT B Change No Voice Voice Loss Abnormal Loud L R Abnormal L...

Page 56: ...ange CNT B Change CNT B Change Other Abnormal Display Next Step TEST NG Complete TV Function Display Abnormal Panel Change Should be Performed to Level 3 Repair stage Panel Change Check PCBA Check Wir...

Page 57: ...ppendix Display Mode l Fuzzy Image u Adjust Phase l Image too bright u Adjust brightness and contrast by OSD l Image too dark u Adjust brightness and contrast by OSD l Irregular image u Check the sign...

Page 58: ...5 3 5 5 5 36 Pins CB 00005677 32 D008152 2 18 Accessory Cable Audio Black CB 00005678 32F2818011 1 19 Documentation Safety Label for A201P1 H04 DC 00005666 77 D007646 1 20 SN Label for A201P1 H04 DC 0...

Page 59: ...able A150X2 18AWG 180cm Black JCE Green I C14 E14 W14 32F2818011 1 28 CB 00004287 32F3018003 Accessory Cable D Sub BLACK Common 32 D002132 1 29 CB 00002083 32F0000004 Accessory Cable DVI Black Common...

Page 60: ...ViewSonic Corporation 57 8 Exploded Diagram and Exploded Parts List VG2021m 1 Confidential Do Not Copy...

Page 61: ...1 SEAT ASSY 1 6 C 00005684 40 D007465 STAND ASSY 1 7 N A 41 D007449 COVER HINGE ASSY 1 8 CB 00005676 32 D007464 FFC AD POWER PCBA 1 9 CB 00005675 32 D007466 FFC POWER PCBA OSD PCBA 1 10 B 00005703 35...

Page 62: ...region refer to BOM Carton 1 6 C 00005674 40 D007461 Seat Assy 1 7 N A Different region refer to BOM Menu paper 1 8 N A Different region refer to BOM Menu CD 1 9 CB 00005678 32F2818011 Audio Cable 1 1...

Page 63: ...ion 60 9 Block Diagram OSD Key Pad Audio Out D sub Analog Video Speaker AC Power LDO Main Board LIPS Backlight LCD Module DC 5V DVI D Digital Video 5V Signal Audio In DC 12V 12V 3 3V VG2021m 1 Confide...

Page 64: ...BR2P BR1N BR1P BR0N BR0P BG2N BG2P BG1N BG1P BG0N BG0P BB2N BB2P BB1N BB1P BB0P BB0N FR2N FR2P FR1N FR1P FR0N FR0P FG2N FG2P FG1N FG1P FG0N FG0P FB2N FB2P FB1N FB1P FB0N FB0P FCKN FCKP FSTH BCKN BCKP...

Page 65: ...C80 1206 10u 16V X PbF TP 1 VDPP1 VDPP1 TP 1 VPLL1 VPLL1 1 2 L11 L11 R103 0603 100R 5 R103 0603 100R 5 R210 0603 30K 5 R210 0603 30K 5 C68 0603 100n 25V 7 C68 0603 100n 25V 7 C55 1206 10u 16V X PbF C...

Page 66: ...NV_ON OFF1 INV_ON OFF1 R14 0603 4 7K 5 RoHS R14 0603 4 7K 5 RoHS TP 1 VIN_12V1 VIN_12V1 TP 1 V5A1 V5A1 LP3 FBMJ2125HS420 PbF LP3 FBMJ2125HS420 PbF R182 0603 10K 5 RoHS R182 0603 10K 5 RoHS 1 VOL_ADJ1...

Page 67: ...X 3 3 RoHS R203 0603 2K 1 R203 0603 2K 1 1 2 D9 B240A F D9 B240A F 1 2 D35 1N4148WS F D35 1N4148WS F C52 1206 22u 16V Y RoHS C52 1206 22u 16V Y RoHS GND 1 VOUT 2 VIN 3 VOUT 4 U4 LM1117MPX 3 3 RoHS U4...

Page 68: ...03 75R 1 C158 0603 100n 25V X RoHS C158 0603 100n 25V X RoHS 1 2 D30 BZT52 C5V6S RoHS D30 BZT52 C5V6S RoHS 1 2 D33 UDZSF 5 6B PbF D33 UDZSF 5 6B PbF D2 0603 10p varistor OPEN D2 0603 10p varistor OPEN...

Page 69: ...C33 0603 100n 25V 7 1 2 3 D16 BAV70W D16 BAV70W R40 0603 10R 5 RoHS R40 0603 10R 5 RoHS C162 0603 100p 50V N C162 0603 100p 50V N 1 2 D17 UDZSF 5 6B RoHS OPEN D17 UDZSF 5 6B RoHS OPEN R46 0603 10R 5 R...

Page 70: ...3 1K 5 RoHS OPEN R2 0603 1K 5 RoHS OPEN C1 0603 100n 25V Y RoHS OPEN C1 0603 100n 25V Y RoHS OPEN 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 CN3 HEADER 10_2 RoHS CN3 HEADER 10_2 RoHS 1 2 L3 MPZ1608S221 RoHS...

Page 71: ...R F36S HF RoHS CN2 IL FHR F36S HF RoHS L7 FBMJ2125HS420 PbF L7 FBMJ2125HS420 PbF C118 0603 100n 25V X RoHS C118 0603 100n 25V X RoHS PANEL_ON OFF DCDC_ON OFF VCM_PWM GVOFF BSTH V12A V5A PANEL_ON OFF D...

Page 72: ...ViewSonic Corporation 69 11 PCB Layout Diagrams VG2021m 1 Confidential Do Not Copy...

Page 73: ...low Chart 7 Recommended Spare Parts List 8 Exploded Diagram and Exploded Parts List 9 Block Diagrams 10 Schematic Diagrams 11 PCB Layout Diagrams B Are you satisfied with this Service Manual Item Exce...

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