ViewSonic VE902m Service Manual Download

Page: 66 / 68

A16

CKV

V25V

TXD

ESTH

KEY_DOWN

RXD

STB

OSTH

POL

STV

INV_ADJ

PWR_SW

LED_GI

LED_OI

KEY_UP

KEY_DOWN

AUTO_ADJ

SOURCE_SELECT

PANEL_ON/OFF

INV_ON/OFF

AUDIO_ON

INV_ADJ

GVON

GVOFF

GVOFF
GVON

OSTH

STB

POL

ESTH

STV

CKV

VCM_PWM

VOL_ADJ

KEY_UP

PWR_SW

AUTO_ADJ

SOURCE_SELECT

V33C

PANEL_ON/OFF

INV_ADJ

INV_ON/OFF

AUDIO_ON

VCM_PWM

2_5V_PLL

RMADDR13

RMADDR9
RMADDR10

RMADDR7

RMDATA6

RMDATA0

RMDATA4

RMADDR6
RMADDR5

LED_OI

LED_GI

RMADDR3
RMADDR4

2_5V_VDD

NVRAM_SDA

RMADDR10

RMADDR0

OCLKN

RMADDR4

RMADDR1

PANEL_ON/OFF

OCLKP

RMDATA7

A16

NVRAM_SCL

RMDATA6

RMADDR5

RMDATA2

RMADDR4

RMADDR15

RMADDR14

RMDATA5

VOL_ADJ

RMDATA[0..7]

RMADDR11

RMDATA1

RMADDR7

ECLKP

RMADDR[0..15]

RMADDR13

RMADDR8

RMADDR2

RMADDR12

RMADDR5

RMADDR2

RMADDR1

RMADDR0

RMDATA4

RMADDR8

RMADDR15

RMADDR6

RMADDR14

RMADDR9

RMADDR14

RMADDR10

RMDATA5

FLASH_OEn

RMADDR3

NVRAM_SDA

ECLKN

RMADDR3

RMADDR7

RMDATA3

RMADDR9

RMDATA3

NVRAM_SCL

RMADDR11

XTAL

RMADDR11

RMDATA1

RMDATA2

RMADDR0

RMADDR13

RMADDR1

TCLK

RMADDR6

RMDATA0

RMADDR12

RMADDR15

RMADDR8

3_3V_DVDD

/RESET

VCM_PWM
AUDIO_ON

V5A

3_3V_AVDD

INV_ON/OFF

EB0P

EB1P

EB2P

EB0N

EB2N

EB1N

EG0N

EG2N

EG1N
EG0P

EG2P

EG1P

ER1P

ER2N

ER0N

ER2P

ER0P

ER1N

OB0P

OB1N

OB2N

OB2P

OB0N

OB1P

OG0P
OG0N

OG2N

OG1N

OG1P

OG2P

OR2P
OR2N

OR1N
OR0P
OR0N

OR1P

VSYNC

BLUE+

RX0+

RED-

OCLKP

RXC+

RX2-

RED+

RX1-

ECLKP

RX2+

OCLKN

GREEN-

RX1+

ECLKN

HSYNC

GREEN+

RXC-

BLUE-

RX0-

STV

POL

ESTH

STB

CKV

OSTH

RXD
TXD

V33C

V25V

V5A

DDC_SDA

DDC_SCL

PWR_SW

KEY_UP

KEY_DOWN

AUTO_ADJ

SOURCE_SELECT

LED_GI

LED_OI

AUDIO_ON

PANEL_ON/OFF

INV_ON/OFF

VCM_PWM

VOL_ADJ

INV_ADJ

GVON

GVOFF

XAO

EB1P

EB0P

EB2P
EB2N

EB1N

EB0N

EG2P

EG0P

EG1P

EG0N

EG1N

EG2N

ER2P

ER0P

ER2N

ER1N

ER1P

ER0N

OB2P

OB0P

OB1P
OB1N

OB2N

OB0N

OG1P

OG0P

OG2P

OG0N

OG1N

OG2N

OR2N

OR0P
OR0N

OR1N

OR2P

OR1P

3_3V_DVDD

V33C

V25V

3_3V_DVDD

2_5V_PLL

3_3V_DVDD

V5A

3_3V_AVDD

2_5V_PLL

3_3V_AVDD

3_3V_DVDD

2_5V_VDD

V5A

V33C

3_3V_AVDD

2_5V_VDD

GM5126

A14

A4
A5

A12

SCLPOL

32-Pin PLCC Socket

OCM-START

Default Jumper settings are shown above

OSC-SEL

Solid/White = 10K IN/OUT

A15

NVRAM

A11

H-PROTO

Reset
Circuit

A10

H-PORT-EN

[T-CON OUPUT]

[OSD I/O]

[CONTROL I/O]

C91

1206/22U/10V

C91

1206/22U/10V

R122

0603/47R

R122

0603/47R

C116

0603/0.1U/25V

C116

0603/0.1U/25V

R108

0603/4.7K

R108

0603/4.7K

R130

OPEN

R130

OPEN

C84

0603/0.1U/25V

C84

0603/0.1U/25V

C94

0603/0.1U/25V

C94

0603/0.1U/25V

C87

0603/0.1U/25V

C87

0603/0.1U/25V

R132

OPEN

R132

OPEN

C90

0603/0.1U/25V

C90

0603/0.1U/25V

RED+

150

RED-

151

GREEN+

146

GREEN-

147

BLUE+

142

BLUE-

143

RX2+

118

RX2-

119

RX1+

124

RX1-

125

RX0+

130

RX0-

131

XTAL

174

TCLK

175

GPIO0/PWM0

GPIO1/PWM1

GPIO2/PWM2

GPIO3/TIMER1

GPIO4/UART_DI

GPIO5/UART_DO

100

GPIO6/TCON_SHC

103

GPIO7/TCON_TDIV

104

GPIO10/TCON_ROE3

OCLKP_RS

GPIO12/NVRAM_SDA

GPIO13/NVRAM_SCL

ECLKP_RS

ECLKN_RS

OCLKN_RS

DHS/TCON_LP

RXC-

134

RXC+

133

REXT

113

TCON_OPOL

TCON_OINV

TCON_ESP

TCON_EPOL

TCON_EINV

TCON_RSP2

TCON_RSP3

TCON_RCLK

TCON_ROE

GPIO20/HDATA3

GPIO19/HDATA2

GPIO18/HDATA1

GPIO17/HDATA0

GPIO16/HFS

GPIO22/HCLK

RESETn

107

GPIO21/TCON_FSYNC

106

GPIO14/DDC_SCL

108

GPIO15/DDC_SDA

109

GPIO9/TCON_ROE2

105

GPIO8/IRQINn

Reserved

ROM_ADDR0

197

ROM_ADDR1

196

ROM_ADDR2

195

ROM_ADDR3

194

ROM_ADDR4

193

ROM_ADDR5

192

ROM_ADDR6

191

ROM_ADDR7

190

ROM_ADDR8

189

ROM_ADDR15

180

ROM_DATA0

207

ROM_DATA1

206

ROM_DATA2

205

ROM_DATA3

204

ROM_DATA4

203

ROM_DATA5

202

ROM_DATA6

201

ROM_DATA7

200

ROM_ADDR14

181

ROM_ADDR13

182

ROM_ADDR9

188

ROM_ADDR11

184

ROM_ADDR10

187

ROM_ADDR12

183

ROM_OEn

208

VDD1_ADC_2.5

158

VDD2_ADC_2.5

160

AGND_GREEN

148

AGND_RED

152

AGND_BLUE

144

AGND_ADC

155

SGND_ADC

156

AGND_RX2

117

RVDD

101

RVDD

198

EAVDD_RS_2.5

AVDD_RS

OAVDD_RS_2.5

CVDD_2.5

110

CVDD_2.5

185

VDD_RX2_2.5

115

PPWR

PBIAS

AGND_IMB

114

VDD_RX1_2.5

121

AGND_RX1

123

VDD_RX0_2.5

127

AGND_RX0

129

AGND_RXC

136

GND_RXPLL

137

VDD_RXPLL_2.5

138

AVDD_RPLL

173

AVSS_RPLL

172

VDD_DPLL

171

AVDD_DDDS

169

VDD_DDDS

167

AVDD_SDDS

164

VDD_SDDS

162

AVSS_DDDS

168

AVSS_SDDS

163

HSYNC

176

VSYNC

177

RVSS

102

RVSS

179

RVSS

199

EAVSS_RS

AVSS_RS

OAVSS_RS

CVSS

111

CLKOUT

140

CVSS

186

GND1_ADC

157

GND2_ADC

159

GND_RX2

116

GND_RX1

122

GND_RX0

128

VSS_DPLL

170

VSS_DDDS

166

VSS_SDDS

161

GPIO11/ROM_WEn

ADC_TEST

154

ECH3N_RS

ECH3P_RS

ECH5N_RS

ECH5P_RS

ECH6N_RS

ECH6P_RS

ECH7N_RS

ECH7P_RS

OCH4P_RS

OCH4N_RS

ECH9N_RS

ECH9P_RS

ECH10N_RS

ECH10P_RS

ECH11N_RS

ECH11P_RS

ECH8P_RS

ECH8N_RS

OCH1N_RS

OCH1P_RS

OCH2N_RS

OCH2P_RS

OCH3N_RS

OCH3P_RS

OCH0P_RS

OCH0N_RS

OCH5N_RS

OCH5P_RS

OCH6N_RS

OCH6P_RS

OCH7N_RS

OCH7P_RS

ECH4P_RS

ECH4N_RS

OCH9N_RS

OCH9P_RS

OCH10N_RS

OCH10P_RS

OCH11N_RS

OCH11P_RS

OCH8P_RS

OCH8N_RS

TCON_OSP

CVSS

N/C

165

Reserved

N/C

139

AVDD_IMB

112

AVDD_RX2

120

AVDD_RX1

126

AVDD_RX0

132

AVDD_RXC

135

AVDD_BLUE

141

AVDD_GREEN

145

AVDD_RED

149

AVDD_ADC

153

ECH2P_RS

ECH2N_RS

ECH1P_RS

ECH1N_RS

ECH0P_RS

ECH0N_RS

RVDD

178

3.3V_A

AGND

U12

GM5126

3.3V_A

AGND

U12

GM5126

R136

OPEN

R136

OPEN

R118

0603/1K/1%

R118

0603/1K/1%

L18

HS420

L18

HS420

L21

HS420

L21

HS420

R124

0603/47R

R124

0603/47R

C110

0603/0.1U/25V

C110

0603/0.1U/25V

C92

0603/0.1U/25V

C92

0603/0.1U/25V

PANEL_ON/OFF1

2_5V_PLL1

C125

0603/0.1U/25V

C125

0603/0.1U/25V

R138

0603/10K

R138

0603/10K

L20

HS420

L20

HS420

R110

0603/4.7K

R110

0603/4.7K

C123

0603/0.1U/25V

C123

0603/0.1U/25V

R140

OPEN

R140

OPEN

R103

0603/1K

R103

0603/1K

C122

0603/0.1U/25V

C122

0603/0.1U/25V

C105

0603/0.1U/25V

C105

0603/0.1U/25V

C103

0603/0.1U/25V

C103

0603/0.1U/25V

R125

0603/4.7K

R125

0603/4.7K

AUDIO_ON1

R143

OPEN

R143

OPEN

C113

0603/0.1U/25V

C113

0603/0.1U/25V

C101

0603/0.1U/25V

C101

0603/0.1U/25V

R107

0603/4.7K

R107

0603/4.7K

R145

0603/10K

R145

0603/10K

R126

0603/4.7K

R126

0603/4.7K

VSS

SCK

VCC

U14

24LC16BT/SN

U14

24LC16BT/SN

R128

OPEN

R128

OPEN

R115

0603/100R

R115

0603/100R

C99

0603/0.1U/25V

C99

0603/0.1U/25V

C119

0603/5p/50V

C119

0603/5p/50V

14.318MHz/SMD-49

C115

0603/0.1U/25V

C115

0603/0.1U/25V

R147

0603/10K

R147

0603/10K

INV_ON/OFF1

C108

0603/0.1U/25V

C108

0603/0.1U/25V

C118

0603/0.1U/25V

C118

0603/0.1U/25V

C86

0603/0.1U/25V

C86

0603/0.1U/25V

C89

0603/0.1U/25V

C89

0603/0.1U/25V

C97

0603/0.1U/25V

C97

0603/0.1U/25V

INV_ADJ1

2_5V_VDD1

R116

0603/47R

R116

0603/47R

R135

0603/100R

R135

0603/100R

R114

0603/2.7K

R114

0603/2.7K

3_3V_DVDD1

C126

0603/0.1U/25V

C126

0603/0.1U/25V

C95

0603/0.1U/25V

C95

0603/0.1U/25V

VCC

RSTN

GND

U13

RN5VD26AA-TR

U13

RN5VD26AA-TR

R106

0603/4.7K

R106

0603/4.7K

R141

0603/10K

R141

0603/10K

R105

0603/0R

R105

0603/0R

R129

OPEN

R129

OPEN

C111

0603/0.1U/25V

C111

0603/0.1U/25V

L19

HS420

L19

HS420

R117

0603/47R

R117

0603/47R

R131

OPEN

R131

OPEN

A15

A14

A13

A12

A11

A10

DQ7

DQ6

DQ5

DQ4

DQ3

DQ2

DQ1

DQ0

VCC

GND

A16

NC/A17

U15

F29C51001T-90J

U15

F29C51001T-90J

R137

0603/100R

R137

0603/100R

R133

OPEN

R133

OPEN

C106

0603/0.1U/25V

C106

0603/0.1U/25V

C93

0603/0.1U/25V

C93

0603/0.1U/25V

R109

0603/4.7K

R109

0603/4.7K

R104

0603/1K

R104

0603/1K

R134

OPEN

R134

OPEN

R113

0603/2.7K

R113

0603/2.7K

3_3V_AVDD1

C124

0603/10n/25v

C124

0603/10n/25v

C114

0603/0.1U/25V

C114

0603/0.1U/25V

R119

0603/47R

R119

0603/47R

R139

0603/10K

R139

0603/10K

R127

0603/47R

R127

0603/47R

C117

0603/0.1U/25V

C117

0603/0.1U/25V

/RESET1

VCM_PWM1

C85

0603/0.1U/25V

C85

0603/0.1U/25V

R142

OPEN

R142

OPEN

C88

0603/0.1U/25V

C88

0603/0.1U/25V

R111

0603/0R

R111

0603/0R

R112

0603/47R

R112

0603/47R

C121

1206/22U/10V

C121

1206/22U/10V

C102

0603/0.1U/25V

C102

0603/0.1U/25V

C109

0603/0.1U/25V

C109

0603/0.1U/25V

R144

OPEN

R144

OPEN

C100

0603/0.1U/25V

C100

0603/0.1U/25V

R120

0603/47R

R120

0603/47R

C120

0603/5p/50V

C120

0603/5p/50V

C104

1206/22U/10V

C104

1206/22U/10V

R146

OPEN

R146

OPEN

C83

1206/22U/10V

C83

1206/22U/10V

R123

0603/10K

R123

0603/10K

C98

0603/0.1U/25V

C98

0603/0.1U/25V

C112

0603/0.1U/25V

C112

0603/0.1U/25V

R121

0603/47R

R121

0603/47R

C96

0603/0.1U/25V

C96

0603/0.1U/25V

C107

0603/0.1U/25V

C107

0603/0.1U/25V

ViewSonic

Corporation

nfidential

Not

Copy

VE902m

Summary of Contents for VE902m

Page 1: ...Model No VS10552 19 Color TFT LCD Display Service Manual ViewSonic VE902m 1 ViewSonic 381 Brea Canyon Road Walnut California 91789 USA 800 888 8583 VE902m_SM_940 Rev 1a Dec 2004 ...

Page 2: ...lly 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 time to time in the contents hereof without obligation of ViewSonic to notify any person of such revision or changes Trademarks ViewSonic is a registered trademark of ViewSonic Corporation All other trademarks used within this ...

Page 3: ... Trouble Shooting Flow Chart 9 Block Diagram 10 Schematic Diagrams 7 Recommended Spare Parts List 1 Precautions and Safety Notices 5 Adjusting Procedure 8 Exploded Diagram And Spare Parts List 11 PCB Layout Diagrams 1 5 9 14 17 41 46 51 54 55 64 ii ViewSonic Corporation Confidential Do Not Copy VE902m ...

Page 4: ...use of the high voltage used in the inverter circuit the voltage is exposed in such areas as the associated transformer circuits 4 LCD Module Handling Precautions 4 1 Handling Precautions 1 Since front polarizer is easily damaged pay attention not to scratch it 2 Be sure to turn off power supply when inserting or disconnecting from input connector 3 Wipe off water drop immediately Long contact wit...

Page 5: ...ent lamp in LCD contains a small amount of mercury Please follow local ordinances or regulations for disposal 13 Small amount of materials having no flammability grade is used in the LCD module The LCD module should be supplied by power complied with requirements of Limited Power Source IEC60950 or UL1950 or be applied exemption 14 The LCD module is designed so that the CFL in it is supplied by Li...

Page 6: ...ont cover of the monitor Do not touch the surface of the polarize 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 3 ViewSonic Corporation Confidential Do Not Copy VE902m ...

Page 7: ...ect Methods Incorrect Methods Place the monitor on a clean soft foam pad Place the monitor on foreign objects That could scratch the surface of panel 4 ViewSonic Corporation Confidential Do Not Copy VE902m ...

Page 8: ...nput Connector D Sub mini 15 pins DVI D 24 pins Auto Adjust Clock Phase H Position V Position Screen Scaling VGA SVGA XGA SXGA Full Screen Display Power Management VESA DPMS DVI DMPM ENERGY STAR Compliance Color Adjustment User 6500K 7500K 9300K Performance OSD Language English French German Spanish Italian Japanese Traditional Chinese Simplified Chinese Russian Power Input AC100 240 Worldwide V P...

Page 9: ...Cathode Fluorescent Lamp Lamp Quantity 6 pcs Backlight Lamp Life Time 40 000 Hrs min Plug Play VESA DDC 2B Compliance Power Management VESA DPMS DVI DMPM ENERGY STAR Compliance Power Management Status Power Consumption Screen Recovery Time Stand by Suspend Active off 3W or less Within 3 sec 2 3 Optical Characteristics Item Condition Temperature Normal room temperature 25 2 Humidity 50 10 AC input ...

Page 10: ...ut Current 1800mA max 1800mA max Output Voltage 19VDC 5 19VDC 5 Output Current 3420mA 3420Ma Output Power 65 W 19V 3 42A 65 W 19V 3 42A Efficiency AC input 100VAC 80 min AC input 100VAC 80 min Inrush Current Cold Start at 25 Full Load 120A Max 240VAC 50Hz 120A Max 240VAC 50Hz l Quick start guide Paper 100 Recycle Paper l User Manual CD ROM 10 languages Arabic English French German Spanish Italian ...

Page 11: ...144 1024 24 806 6 29 768 3 O O 10 XGA 1024x768 60 023 75 029 78 750 P P 1312 96 176 1024 16 800 3 28 768 1 O O 11 1152x86 4 67 500 75 000 108 00 0 P P 1600 128 256 1152 64 900 3 32 864 1 O O 12 63 981 60 020 108 00 0 P P 1688 112 248 1280 48 106 6 3 38 1024 1 O O 13 VESA SXG A 1280x10 24 79 976 75 025 135 00 0 P P 1688 144 248 1280 16 106 6 3 38 1024 1 O 14 VGA TEXT 720x400 31 469 70 087 28 322 N ...

Page 12: ...g properly If your LCD monitor is properly connected but there is no image showing and the indicator light keeps orange please follow the steps below to start STFC Shutdown computer and LCD monitor Unplug the signal connector from the back of computer Turn the LCD monitor on If the image connector is disconnected or damaged the image shown on following figure will also appear during normal operati...

Page 13: ...mal Orange Power Saving Off Power Off 2 Auto Exit Automatically optimize positions phase clock when OSD is not shown Exit the OSD menu when OSD is shown 3 Turbo Quick brightness switching 4 Selection or adjustment when OSD is shown Quick brightness adjustment 5 Adjustment when OSD is shown Quick contrast adjustment 6 Menu Enter OSD Access sub menu selection 7 Speaker 10 ViewSonic Corporation Confi...

Page 14: ...functions V Position 50 Notes The OSD disappears several seconds after you stop pressing the buttons while performing an adjustment Any changes are automatically saved in the memory when the OSD disappears Turning off the power should be avoided while using the menu Adjustments for clock phase and positions are saved for each signal timing Except for these adjustments all other adjustments have on...

Page 15: ... setting OSD Position Move OSD display position to any one of the following 5 positions within the overall screen Auto Setting Set up to adjust clock phase and positions automatically Settings Recall Restore to factory settings Analog Select Analog input source Input Source Optional Digital Select Digital input source Direct You can skip the Menu pages and display an adjustment scale directly by u...

Page 16: ...Lock 1 Turn off Power on off button 2 Power on off at same time 3 Press Menu All Mode Reset It will erase all end users setting and restore the factory defaults 1 Turn off Power on off button 2 Power on off at same time 3 Press Menu Burn in Mode After entering Burn in Mode press Power on off button you will find the information about this BIOS Remark All the short cuts function are only available ...

Page 17: ...ng regulator controllers that contains an on chip 2 5V reference two error amplifier an adjustable oscillator two dead time comparators under voltage lockout circuitry and 2 common emitter output It is idea for step up step down and inverting converter 14 ViewSonic Corporation Confidential Do Not Copy VE902m ...

Page 18: ...ided into thirty two uniform blocks of 4 Kbytes each for data and or code storage The block architecture allows users to flexibly make chip erase or block erase operation The block erase feature allows a particular block to be erased and reprogrammed without affecting the data in other blocks After the device performs chip erase or block erase operation it can be reprogrammed on a byte by byte bas...

Page 19: ... a high degree of flexibility and quality 4 LVDS THC63LVDM83A The THC63LVDM83A transmitter converts 28 bits of CMOS TTL data into LVDS Low Voltage Differential Signaling data stream A phase locked transmit clock is transmitted in parallel with the data streams over a fifth LVDS link The HC63LVDM83A can be programmed for rising edge or falling edge clocks through a dedicated pin The THC63LVDF84A re...

Page 20: ...r 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 Hot Keys for Function Control Make sure the F W is the latest version 4 DCC Test Patten EDID program Make sure it can pass test program 5 Window Shut Down Test Signal 1280 1024 60Hz Test Pattern Checkered Patter...

Page 21: ...tem Bright Dot Particle Line Defect Mura 9 White Box Test Signal 1280 1024 60Hz Test Pattern Window standard pattern Inspection Item Particle Line Defect Power Image Remain Mura 10 Black Box Test Signal 1280 1024 60Hz Test Pattern Window standard pattern Inspection Item Bright Dot Line Defect Power Refer to Page 22 Figure 7 Refer to Page 21 Figure 3 18 ViewSonic Corporation Confidential Do Not Cop...

Page 22: ...efect 13 Blue Test Signal 1280 1024 60Hz Test Pattern Full Screen Green Inspection Item Bright Dot Partial Line Defect 14 Gray_Scale_0 100_V256 Test Signal 1280 1024 60Hz Test Pattern Vertical 64 256 Gray Scale Right Left From 0 to 100 White Inspection Item Line Defect Function Defect Refer to Page 21 Figure 4 Refer to Page 22 Figure 6 Refer to Page 21 Figure 1 19 ViewSonic Corporation Confidentia...

Page 23: ...16 Block Window Test Signal 1280 1024 60Hz Test Pattern Black block at the center Inspection Item Cross Talk Optical Character 17 Black_Tile Test Signal 1280 1024 60Hz Test Pattern Black tile under white background Inspection Item Function Defect Image Remain Refer to Page 21 Figure 2 Refer to Page 22 Figure 8 20 ViewSonic Corporation Confidential Do Not Copy VE902m ...

Page 24: ...l 64 256 Gray Scale Figure 2 3 Black Full Screen Black Figure 3 4 Red Full Screen 50 Red Figure 4 5 Green Full Screen 50 Green Figure 5 6 Blue Full Screen 50 Blue Figure6 7 White Full Screen White Figure7 8 Black_Tile Black Tile Under White Background Figure 8 Figure 1 Figure 2 Figure 4 Figure 3 21 ViewSonic Corporation Confidential Do Not Copy VE902m ...

Page 25: ...Figure 5 Figure 8 Figure 7 Figure 6 Figure 5 22 ViewSonic Corporation Confidential Do Not Copy VE902m ...

Page 26: ...ation RS232 cable 9 Pin D_Sub cable 15Pin 12V Power supply RS232 to D_Sub transfer BD Monitor Set 12V PC optional RS232 to PC 1 2 Join R232 monitor cable and adapter Detail see the example picture as below Connect to adapter 12v VGA Cable Connect PC Connect monitor 23 ViewSonic Corporation Confidential Do Not Copy VE902m ...

Page 27: ... GProbe4 2 0 3 exe GProbe4 2 0 3_gm5126 exe ISP GProbe Gprobe exe Pre txt Readme txt 5126bc14 dev ISP exe Main program Drive write file Drive read file Ancillary file Please copy all the files above to the same directory 1 3 Software A Please download the file Genesis from CMO E Sir system There are ISP BIOS two files kindly see as below a ISPACK EXE Main program b Ancillary ISPACK EXE Description...

Page 28: ...1 6 Open ISP Gprobe while parameters set up have been completed 1 7 You will see the picture as below ISP GProbe 25 ViewSonic Corporation Confidential Do Not Copy VE902m ...

Page 29: ...he main program Grope 1 9 Please follow up the parameter set up shown as below Choose the item for parameter link while program execution SERIAL1 COM1 115200 26 ViewSonic Corporation Confidential Do Not Copy VE902m ...

Page 30: ...1 10 Select gm5126AA_AB Select gm5126AA_AB 27 ViewSonic Corporation Confidential Do Not Copy VE902m ...

Page 31: ... txt Input BATCH PRE TXT Input BATCH PRE TXT The system can execute ISP while the words show up If appear line 3 is OK Appear line 2 is Error Please check wiring 28 ViewSonic Corporation Confidential Do Not Copy VE902m ...

Page 32: ...ev TXT If failed Please don t turn off power Repeat do it again from step 6 to step 7 1 13 When everything is done Please turn off the power and restart it again Check Factory Mode and make sure it already be updated Key BIOS Rev which you want here This is the BIOS update total spending time 29 ViewSonic Corporation Confidential Do Not Copy VE902m ...

Page 33: ...Remove Stand Cover Step 1 Take out Sand Assy Step 2 Remove 2 Cover Hinges Step 3 Loose and Remove 6 screws Step 4 Remove Stand Assy C Monitor Assembly and Disassembly 30 ViewSonic Corporation Confidential Do Not Copy VE902m ...

Page 34: ...remove 5 screws Separate Bezel hooks to take Bezel and Rear Cover apart Step 1 Loose and remove 5 screws Step 2 Separate Bezel hooks to take Bezel and Rear Cover apart Step 3 Remove Rear Cover 31 ViewSonic Corporation Confidential Do Not Copy VE902m ...

Page 35: ...3 Remove Power Board 1 Remove the Tinfoil 2 Remove FFC 32 ViewSonic Corporation Confidential Do Not Copy VE902m ...

Page 36: ...4 Remove Metal Cover Step 1 Loose and remove 2 screws Step 2 Loose and remove 6 screws Step 3 Remove the Cover of X PCB 33 ViewSonic Corporation Confidential Do Not Copy VE902m ...

Page 37: ...5 Remove Power PCBA Step 1 Loose and remove 3 screws Step 2 Remove Power PCBA 34 ViewSonic Corporation Confidential Do Not Copy VE902m ...

Page 38: ...6 Change New Power Board Step 1 Insert New Power PCBA Step 2 Fasten 3 fixed screws of Power PCBA 35 ViewSonic Corporation Confidential Do Not Copy VE902m ...

Page 39: ...7 Remove AD PCBA Remove FFC Step 1 Remove 2 FFC from AD PCBA Step 2 Remove AD PCBA Step 1 Loose and remove 1 screw Remove AD PCBA 36 ViewSonic Corporation Confidential Do Not Copy VE902m ...

Page 40: ...8 Change New AD PCBA Step 1 Place New AD PCBA Step 2 Insert 2 FFC 37 ViewSonic Corporation Confidential Do Not Copy VE902m ...

Page 41: ...tal Cover Assembly Step 1 Join the cover hooks of X PCB Step 2 Fasten the 6 screws Fasten 2 screws Step 4 Insert FFC Step 5 Attach the Tinfoil Step 3 38 ViewSonic Corporation Confidential Do Not Copy VE902m ...

Page 42: ...BA Step 2 Separate both Audio Cable Step 1 Remove FFC Step 1 Lift up LCD module and remove Bezel Step 3 Loose and remove 2 screws Step 4 Take OSD PCBA apart Completed Step 5 Completed 39 ViewSonic Corporation Confidential Do Not Copy VE902m ...

Page 43: ...12 Change New OSD PCBA Step 1 Place New OSD PCBA Step 3 Insert Audit Cable to connectors of OSD PCBA Step 2 Fasten 2 screws 40 ViewSonic Corporation Confidential Do Not Copy VE902m ...

Page 44: ...Sticking Brightness spot Particle Dot Defect Check Panel No display Check PCB Check Panel Check Wire Noise Check PCB Check Panel Light On Test Completed Next Step Panel Change Should be Performed to Level 3 Repair stage Panel Change AD B Change Panel Change AD B Change Panel Change Abnormal Display TEST N A 6 Trouble Shooting Flow Chart 41 ViewSonic Corporation Confidential Do Not Copy VE902m ...

Page 45: ...y abnormal Check PCB Check Panel Flicker Check PCB Check Panel D sub cable change Panel Chan e Should be Performed to Level 3 Repair stage Next Step AD B Change P B Change Panel Change AD B Change Panel Change AD B Change AD B Change AD B Change AD B Change P B Change Panel Change Panel Change Panel Change CNT B Change CNT B Change D sub cable change TEST NG A Completed 42 ViewSonic Corporation Co...

Page 46: ...t Step Panel Change Should be Performed to Level 3 Repair stage Unavailable Check PCB Check Wire LED Dark LED Abnormal LED Flicker AD B Change AD B Change AD B Change P B Change P B Change P B Change CNT B Change OSD cable Change OSD cable Change ON OF Abnormal LED display abnormal Abnormal Keyboard TEST NG Completed 43 ViewSonic Corporation Confidential Do Not Copy VE902m ...

Page 47: ...er tapping Check PCB Check Panel Next Step Panel Change Should be Performed to Level 3 Repair stage AD B Change AD B Change AD B Change P B Change Panel Change CNT B Change P B Change CNT B Change CNT B Change D sub cable change Abnormal BIOS OSD Other Abnormal Display TEST NG Completed 44 ViewSonic Corporation Confidential Do Not Copy VE902m ...

Page 48: ... 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 signal connection between the computer and LCD monitor u Perform Auto Adjust l Distorted image u Reset the LCD monitor u Take off extra accessories such as signal extension cord l Image is not centered u Use OSD Image Menu to ...

Page 49: ... 00000548 7741519181 1 18 Label Bar Code Label 50 25 A190E2 H03 VSC DC 00000584 77419191A3 1 19 Label Carton Label 76 2 76 2 A190E2 H03 VSC DC 00000585 7741929144 1 20 Label Pallet Barcode Label 75x40 A190E2 H03 VSC DC 00000586 7741999141 1 21 Label Safety Label 89 49 A190E2 H03 VSC DC 00000587 77419191A2 1 22 Menu Quick Start Guide A190E2 H03 VSC DC 00000588 7641900321 1 23 Screw M3 P0 5 4 f 5 5 ...

Page 50: ...W 1K OHM R118 1 29 N A 01016F1011 Chip Resistor SMD 1 0603 1 16W 100 OHM R40 R42 R44 3 30 N A 01016F1031 Chip Resistor SMD 1 0603 1 16W 10K OHM RP25 RP26 RP28 RP42 RP44 5 31 N A 01016F1331 Chip Resistor SMD 1 0603 1 16W 13K OHM RP36 1 32 N A 01016F1702 Chip Resistor SMD 1 0603 1 16W 16 5 OHM R95 1 33 N A 01016F1731 Chip Resistor SMD 1 0603 1 16W 16 9K OHM RP16 RP15 2 34 N A 01016F1822 Chip Resisto...

Page 51: ... X7R 0603 68nF 16V 10 C12 C16 2 83 N A 050K0165C1 Chip Capacitor MLCC X7R 1206 1uF 25V 10 CP10 1 84 N A 050K0167D2 Chip Capacitor MLCC X7R 1210 1uF 50V 10 RoHS CP4 CP6 2 85 N A 050Z474561 Chip Capacitor MLCC Y5V 0603 470nF 25V 20 80 CP31 1 86 N A 050Z015762 Chip Capacitor MLCC Y5V 0603 100nF 50V 20 80 CP1 CP2 C46 3 87 N A 050Z016361 Chip Capacitor MLCC Y5V 0603 1uF 10V 20 80 RoHS CP7 CP17 CP32 3 8...

Page 52: ...b JP1 1 133 N A 250345S452 Connector B F 45pin Hirose FH12 45S 0 5SH CN3 CN4 2 134 N A 2503710151 Connector B F 15Pin E T 7101 15 CN2 1 135 N A 2501327081 Connector B B 8Pin E T 3273 008 10 CN1 1 136 N A 2600014601 Quartz Crystal SMD 49 14 31818 MHz 30pF H 4 5mm MAX H ELE X1 1 137 N A 2500100321 Socket SMD 1002E32CT1R2 PLCC 32 Pin 1A H 3 85mm Typ AP U15 1 138 N A 41A1793901 Heat Sink 28 28 7 9mm S...

Page 53: ...172 N A 7841595111 Corner Protector 50 50 1850 mm 0 084 173 N A 7741999141 Label Pallet Barcode Label 75x40 A190E2 H03 VSC 0 021 174 N A 7741929144 Label Carton Label 76 2 76 2 A190E2 H03 VSC 1 175 N A 7841995111 Separator AA 1130x955x11 A190E1 H01 0 021 176 N A 7841925230 Carton 475 188 470 A190E2 H03 VSC 1 177 N A 7345511002 Tape Security Tape OPP L900xW50x0 045mm VSC 0 07 178 N A PJ0EAE3000 19 ...

Page 54: ...8 Exploded Diagram And Spare Parts List 51 ViewSonic Corporation Confidential Do Not Copy VE902m ...

Page 55: ...r 10 C 00000577 40A1999924 STAND ASSY A190E2 H03 877C Silver 11 C 00000579 40A1992203 Cover Hinge A190E2 H01 ABS BLACK 12 C 00000581 40A1999207 SEAT ASSY A190E2 H03 877C Silver black 13 HW 00000556 42A9990005 f 3 P1 27 12 f 5 5 2 Steel 14 HW 00000589 42A9930029 Screw M3xP0 5x8 f 5 5x2 Steel W 15 M 00000559 42A9940007 Stand Off 4 40 11 8 16 HW 00000589 42A9930029 Screw M3xP0 5x8 f 5 5x2 Steel W 17 ...

Page 56: ...tom EPE 456 146 50mm A190E2 H03 4 P 00000593 7841925230 Carton 475 188 470 A190E2 H03 VSC 5 P 00000594 7841935111 Inner Box 456x290x38mm A190E1 H01 6 P 00000597 7841949914 PE FOAM Top EPE 456 146 50mm A190E2 H03 7 DC 00000585 7741929144 Label Carton Label 76 2 76 2 A190E2 H03 VSC PACKING PARTS LIST VE902m 1 ViewSonic Model Number VS10552 Packing for shipping 53 ViewSonic Corporation Confidential D...

Page 57: ...udio Out Speaker Audio In Signal 3 3V D sub Analog Video DC 19V LCD Module Backlight Inverter Main Board DC DC DC 19V OSD Key Pad 9 Block Diagram 54 ViewSonic Corporation Confidential Do Not Copy VE902m ...

Page 58: ...YNC VSYNC DDC_SCL DDC_SDA V33C PANEL INTERFACE PANEL VGL VGH VAA GVON GVOFF VCM V33B EB1N GMA3 ER1N EG2P EB0P ER2P EG1P GMA6 EG0P EB2N ECLKN GMA4 EG2N GMA1 GMA5 ER0N EG1N ER1P ECLKP EB0N EB1P GMA9 ER2N GMA8 EG0N GMA2 EB2P GMA10 GMA7 ER0P OB0P OR0P ESTH OR1N OG2N OG1N OB1P OR0N OR2N OR1P OG0N OR2P OB1N OSTH OG1P POL OG2P OB2P STB OG0P OB0N OCLKN OCLKP OB2N STV OE CKV XAO DC DC DC DC VIN_19V VGL PAN...

Page 59: ...0603 C10 0603 33n 25V C10 0603 33n 25V R2 0603 0R R2 0603 0R 1 3 2 Q12 2N7002 Q12 2N7002 Mode 4 Mute 5 VDD 6 DC Vol 7 GND 1 Right Dock 9 Right In 10 Beep In 11 Left In 12 Left Dock 13 GND 8 Left Out 15 Left Out 17 VDD 27 GND 14 HP Sense 21 Bypass 22 GND 20 Right Gain 1 24 Right Gain 2 25 Right Out 26 Right Out 28 VDD 16 Shutdown 2 Gain Select 3 Left Gain 2 18 Left Gain 1 19 GND 23 GND_PAD 29 U1 LM...

Page 60: ... QP12 MMBT2222A QP12 MMBT2222A CP17 0603 1U 10V CP17 0603 1U 10V S 1 S 3 S 2 D 6 D 7 D 8 G 4 D 5 QP7 CEM9435A QP7 CEM9435A RP36 0603 13K 1 RP36 0603 13K 1 1 3 2 QP4 2N7002 QP4 2N7002 RP29 0603 100R RP29 0603 100R RP9 0603 47K RP9 0603 47K CP1 0603 0 1U 50V CP1 0603 0 1U 50V 1 RP10 0603 100k RP10 0603 100k RP31 0603 5 6K 1 RP31 0603 5 6K 1 1 2 ZDP6 BZT52 C5V1S ZDP6 BZT52 C5V1S CP9 0603 0 1U 25V CP9...

Page 61: ...2 P1 2DS 0342 S01 P1 2DS 0342 S01 1 3 2 D10 BAV99W D10 BAV99W 1 2 ZD1 BZT52 C5V6S ZD1 BZT52 C5V6S R33 0603 100R R33 0603 100R NC1 1 NC2 2 NC3 3 GND 4 SDA 5 SCL 6 VCLK 7 VCC 8 U2 S 24CS02AFT TB U2 S 24CS02AFT TB R36 0603 47K R36 0603 47K 1 3 2 D5 BAV99W D5 BAV99W R38 0603 10K R38 0603 10K R34 0603 100R R34 0603 100R 1 3 2 D7 BAV99W D7 BAV99W R35 0603 3 9K R35 0603 3 9K C21 OPEN C21 OPEN TP 1 DVI_5V...

Page 62: ...6R 1 C27 0603 10n 25V C27 0603 10n 25V 1 2 ZD5 OPEN ZD5 OPEN 1 6 2 7 3 8 4 9 5 11 12 13 14 15 10 16 17 JP1 89263 6762 JP1 89263 6762 C34 OPEN C34 OPEN 1 2 ZD11 BZT52 C5V6S ZD11 BZT52 C5V6S C35 OPEN C35 OPEN R48 0603 3 9K R48 0603 3 9K R45 0603 57 6R 1 R45 0603 57 6R 1 1 2 ZD7 OPEN ZD7 OPEN C29 0603 10n 25V C29 0603 10n 25V 1A 1 1Y 2 2A 3 2Y 4 3A 5 3Y 6 GND 7 Vcc 14 6A 13 6Y 12 5A 11 5Y 10 4A 09 4Y...

Page 63: ...3 TP0610T Q3 TP0610T 1 3 2 Q6 2N7002 Q6 2N7002 A 1 B 2 C 3 D 4 D 5 C 6 B 7 A 8 CA CP33 4C 100N CA CP33 4C 100N 7 8 5 3 1 2 4 6 RP47 4R 10K RP47 4R 10K 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 CN2 ET7101 15 CN2 ET7101 15 R58 0603 249R 1 R58 0603 249R 1 7 8 5 3 1 2 4 6 4L 4L121 LP7 4L 4L121 LP7 R57 0603 249R 1 R57 0603 249R 1 A 1 B 2 C 3 D 4 D 5 C 6 B 7 A 8 CA CP34 4C 100N CA CP34 4C 100N 1 3 2 Q4 2N7002...

Page 64: ...29 30 30 31 31 32 32 33 33 34 34 35 35 36 36 37 37 38 38 39 39 40 40 41 41 42 42 43 43 44 44 45 45 CN3 FH12 45S 0 5SH CN3 FH12 45S 0 5SH C44 0603 0 1U 25V C44 0603 0 1U 25V C43 0603 0 1U 25V C43 0603 0 1U 25V 1 VCOM1 VCOM1 L9 HS420 L9 HS420 C47 1206 10u 16V C47 1206 10u 16V 1 VSD1 VSD1 L8 HS420 L8 HS420 1 VSA1 VSA1 1 OE1 OE1 1 ESTH1 ESTH1 C46 0603 0 1U 50V C46 0603 0 1U 50V L10 LL121 L10 LL121 R61...

Page 65: ...n 50V 1 GMA2 GMA2 C82 1206 10u 16V C82 1206 10u 16V 3 2 1 8 4 U10A LM358AM U10A LM358AM 1 GMA10 GMA10 R89 OPEN R89 OPEN 1 GMA9 GMA9 R101 0603 2 2K R101 0603 2 2K ADJ 1 Vout 2 Vin 3 Vout 4 U11 AZ1117H ADJ U11 AZ1117H ADJ IN 3 GND 1 OUT 4 OUT 2 U9 UZ1084 2 5 U9 UZ1084 2 5 1 GMA8 GMA8 C63 1206 10U 16V C63 1206 10U 16V 1 GMA7 GMA7 R92 0603 422R 1 R92 0603 422R 1 1 GMA6 GMA6 C66 1206 22U 10V C66 1206 2...

Page 66: ...S 179 RVSS 199 EAVSS_RS 14 EAVSS_RS 26 AVSS_RS 38 OAVSS_RS 48 OAVSS_RS 60 CVSS 85 CVSS 111 CLKOUT 140 CVSS 186 GND1_ADC 157 GND2_ADC 159 GND_RX2 116 GND_RX1 122 GND_RX0 128 VSS_DPLL 170 VSS_DDDS 166 VSS_SDDS 161 GPIO11 ROM_WEn 81 ADC_TEST 154 ECH3N_RS 11 ECH3P_RS 12 ECH5N_RS 19 ECH5P_RS 20 ECH6N_RS 21 ECH6P_RS 22 ECH7N_RS 23 ECH7P_RS 24 OCH4P_RS 52 OCH4N_RS 51 ECH9N_RS 29 ECH9P_RS 30 ECH10N_RS 31 ...

Page 67: ...64 ViewSonic Corporation Confidential Do Not Copy VE902m 11 PCB Layout Diagrams Main board ...

Page 68: ...ng VE902m Service Manual m e t I t n e l l e c x E d o o G r i a F d a B 1 2 3 t i n U r i a F d a B in the USA at facsimile 1 909 839 7943 You may also e mail any suggestions to the Director Quality Systems Processes marc maupin viewsonic com d o o G t n e l l e c x E Precautions And Safety Notices 1 8 Exploded Diagram and Spare Parts List 7 Recommended Spare Parts List Adjusting Procedure 2 Spec...

Search results

Summary of Contents for VE902m

Reviews:

Related manuals for VE902m

Brands by name

Popular brands

ViewSonic VE902m, Service Manual

Search results

Summary of Contents for VE902m

Reviews:

Related manuals for VE902m

Brands by name

Popular brands