background image

1

GND GUARD(W/DGND)

GND GUARD(W/DGND)

GND GUARD(W/DGND)

LEO

Timing Adjustment
for EMI 75Hz

Timing Adjustment
for EMI 75Hz

Timing setting
final is "101"

1. R85 and R96

0      Normally Black

open   Normally White

2. R89

0      Swap EG & OG

Open   Normal

Open   Normal

0      Swap R & B

3. R99

4  R87

 0     Disable Auto Refresh Mode

Open     Enable Auto Refresh Mode

5  R4

 0     Disable Aging Mode

Open   Enable  Aging Mode

R66      0

E3S-1

R63     OPEN

R61

0      Swap MSB & LSB

open   Normal

S1

C

T-CON

QPWB-5408T8---C

Custom

9

9

03:58:10

Title

Size

Document Number

Rev

Date:

Sheet

of

EEG1

EOR2

OER2

OEG3

OOR4

EER6

EER2

EOG2

OOR6

OOB2

EEB5

EOG5

EOB6

OEB7

OEB4

OEB1

OOR1

OOG4

EEG7

EOR7

OER7

OEG6

OOB7

EOB7

EOB1

OER4

OER1

OOG7

EOR0

OOR5

OOG2

EER5

OEG2

EEG0

EOR4

EOG7

EOB5

OEB6

OOR7

OOR0

EER1

EEG3

EEB4

EEB2

EOR6

EOG4

EOG1

OEG5

OEG1

OEB3

OOG5

EER4

EEB0

EOB3

OOB5

EEG6

OER6

OEB0

OOG0

OOB3

OOB0

EEB7

EOR3

EOB0

OER3

EEG2

OER0

EER3

EEB6

EEB1

EOR5

EOG0

EOB2

OEG7

OEG0

OOR3

OOG3

OOB4

EER7

EER0

EOR1

EOG6

EOG3

EOB4

OEB5

OOR2

EEG5

EEG4

OEB2

EEB3

OER5

OEG4

OOG6

OOG1

OOB6

OOB1

RB4

RB7

RB3

RB2

RB5

RB0

RB6

RB1

GB0

GB2

GB1

GB3
GB4
GB5

GB6
GB7

BB7

BB1
BB0

BB2
BB3

BB5
BB4
BB6

RA1
RA0
RA3
RA2

RA7
RA6
RA4
RA5

GA1
GA0

GA2
GA3

GA4
GA5
GA6
GA7

BA0

BA1

BA2

BA3

BA4

BA5

BA6

BA7

XOCLK

ODO/I
OLOAD

YOE
YCLK
YDIO2
YDIO1

XODINV

XEDINV

OPOL

XECLK

EDO/I

ELOAD

EPOL

RB[0..7]

BB[0..7]

RA[0..7]

BA[0..7]

GA[0..7]

GB[0..7]

LCD_CLK

OEB[0..7]

OEG[0..7]

OER[0..7]

EOB[0..7]

EOG[0..7]

EOR[0..7]

EER[0..7]

EEG[0..7]

EEB[0..7]

TCON_RST

OOR[0..7]

OOG[0..7]

OOB[0..7]

LCD_DE

LCD_VS

LCD_HS

LCD_CLK

GAVCC

GAVCC

GAVCC

V3LVDS

V3PLL

GAVCC

GAVCC

GAVCC

V3PLL

V3LVDS

GAVCC

GAVCC

V3LVDS

V3PLL

R140

NC

C187

470p

C171

1000p/25V

R112

0

C174

0.01u/16V

C179

1000p/25V

R118

240 1%

R144

100 1%

C176

0.1u/16V

R150

0

U17

G/A

1
2
3
4
5
6
7
8
9

10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
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

81

82

83

84

85

86

87

88

89

90

91

92

93

94

95

96

97

98

99

100

101

102

103

104

105

106

107

108

109

110

111

112

113

114

115

116

117

118

119

120

121

122

123

124

125

126

127

128

129

130

131

132

133

134

135

136

137

138

139

140

141

142

143

144

145

146

147

148

149

150

151

152

153

154

155

156

157

158

159

160

161

162

163

164

165

166

167

168

169

170

171

172

173

174

175

176

177

178

179

180

181

182

183

184

185

186

187

188

189

190

191

192

193

194

195

196

197

198

199

200

201

202

203

204

205

206

207

208

209

210

211

212

213

214

215

216

217

218

219

220

221

222

223

224

225

226

227

228

229

230

231

232

233

234

235

236

237

238

239

240

241

242

243

244

245

246

247

248

249

250

251

252

253

254

255

256

LVDD
EG3
EG4
EG5
VSYNC
HSYNC
EDISPT
EDOTCLK
VSS
VDDCUT
LVDSVSS
ERXI0X / EG6
ERXI0 / EG7
ERXI1X / EB1
ERXI1 / EB0
LVDSVSS
LVDSVDD
ERXI2X / EB2
ERXI2 / EB3
LVDSVSS
ERXICLKX / EB5
ERXICLK / EB4
ERXI3X / EB6
ERXI3 / EB7
VDDCUT
PLLVDD
PLLVSS
ERVO
PLLVSS
PLLVDD
VDDCUT
LVDSVSS
LVDSVDD
ORXI0X / OR1
ORXI0 / OR0
ORXI1X / OR3
ORXI1 / OR2
LVDSVSS
LVDSVDD
LVDSVSS
ORXI2X / OR7
ORXI2 / OR6
ORXICLKX / OR4
ORXICLK / OR5
LVDSVSS
ORXI3X / OG1
ORXI3 / OG0
VDDCUT
PLLVSS
ORVO
PLLVSS
PLLVDD
VDDCUT
VSS
LVDSTST
SELLVDS
CLKDLY1
CLKDLY2
CLKDLY3
VCHR
ODOTCLK
ODISPT
OG2
OG3

LVDD

OG4

OG5

OG6

OG7

OB0

OB1

OB2

OB3

OB4

OB5

OB6

OB7

DEPOL

DOPOL

TPEN

AGMOD

BUSMUX

BPRAM

SEL68

VSS

SPOFFD

SWRB

ENPOL2

SDRVSL1

SDRVSL2

SL154O258

TOOB7

TOOB6

TOOB5

TOOB4

TOOB3

TOOB2

TOOB1

TOOB0

HVDD

VSS

TOOG7

TOOG6

TOOG5

TOOG4

TOOG3

TOOG2

TOOG1

TOOG0

VSS

TOOR7

TOOR6

TOOR5

TOOR4

TOOR3

TOOR2

TOOR1

TOOR0

HVDD

VSS

TOPOL2

LVDD

TOCLK

TODIO

TOSTB

TOPOL

TOINHSHC

VSS

HVDD

TOEB7

TOEB6

TOEB5

TOEB4

TOEB3

TOEB2

TOEB1

TOEB0

VSS

TOEG7

TOEG6

TOEG5

TOEG4

TOEG3

TOEG2

TOEG1

TOEG0

HVDD

VSS

TOER7

TOER6

TOER5

TOER4

TOER3

TOER2

TOER1

TOER0

VSS

AP

AN

TEPOL2

LVDD

TECLK

TEDIO

TESTB

TEPOL

TEINHSHC

VSS

TEOB7

TEOB6

TEOB5

TEOB4

TEOB3

TEOB2

TEOB1

TEOB0

HVDD

VSS

TEOG7

TEOG6

TEOG5

TEOG4

TEOG3

TEOG2

TEOG1

TEOG0

VSS

TEOR7

TEOR6

TEOR5

TEOR4

TEOR3

VSS

HVDD

TEOR2

TEOR1

TEOR0

TEEB7

TEER6

TEEB5

TEEB4

TEEB3

TEEB2

TEEB1

TEEB0

VSS

TEEG7

TEEG6

TEEG5

TEEG4

TEEG3

TEEG2

TEEG1

TEEG0

HVDD

VSS

TEER7

TEER6

TEER5

TEER4

TEER3

TEER2

TEER1

TEER0

VSS

LVDD

DCDCE2

YDIO

YCLK

YOE

VSS

DCDCE1

RST

LVDD

RCKOUT2

RCKOUT1

RCKIN

VSS

TSTEN

IOTEST

YCLKST1

YCLKST2

YOEST1

YOEST2

(SWML)

LVDD

ER0

ER1

ER2

ER3

ER4

ER5

ER6

ER7

EG0

EG1

EG2

C178

0.1u/16V

D9

(NC)MA741

R133

NC

R127

2K 1%

C181

1000p/25V

R111

NC

R136

NC

R113

NC

R121

100 1%

C164

0.01u/16V

C166

33p/50V

C184

NC

R129

240 1%

R130

0

R148

0

R119

0

R131

0

R145

0

R138

0

C173

1000p/25V

C183

NC

R146

0

C182

1000p/25V

R139

NC

C165

NC

R123

BK1608LL241

R141

0

R142

0

R137

0

R143

BK1608LL241

B5

HS121

R125

2K 1%

C177

0.1u/16V

R120

0

C162

NC

R151

0

C175

0.1u/16V

R124

0

C185

NC

C163

220p/50V

C180

1000p/25V

R132

0

C167

NC

R135

NC

R115

4.7K 1%

R122

0

R126

1.5K 1%

R128

1.5K 1%

R147

NC

C172

0.01u/16V

B6

HS121

R114

NC

C169

NC

R134

0

R152

NC

R149

0

C168

470p

C186

33p/50V

R117

0

R116

0

C170

0.01u/16V

ViewSonic Corporation 

35

 

Confidential – Do Not Copy   

VE

7

00-1

VA720-2

Summary of Contents for VA720-2

Page 1: ...vice Manual VE700 1_SM_545 Rev 1a May 2002 ViewSonic 381 Brea Canyon Road Walnut California 91789 USA 800 888 8583 ViewSonic VE700 1 Model No VLCDS23724 1W 17 Color TFT LCD Display VA720 2 VLCDS23724...

Page 2: ...expressed or implied 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...

Page 3: ...ROLS 3 4 INTERNAL CONNECTOR PIN DEFINITION 4 5 CABLE PIN DEFINITION 10 6 BLOCK DIAGRAM 13 7 TROUBLE SHOOTING FLOW CHART 14 8 SPARE PARTS LIST 20 Confidential Do Not Copy ViewSonic Corporation iii 9 EX...

Page 4: ...otect the display from overheating Do not block ventilation slots and openings with objects or install the display in a place where ventilation may be hindered z Do not install this display near a mot...

Page 5: ...Angle CR 10 Horizontal 75 Vertical 70 RESPONSE TIME 40 ms typ Contrast Ratio 400 1 typ Brightness 250 cd m2 typ Active Display Area 337 9 mm horizontal x 270 3mm vertical AC DC adapter Input AC 87 26...

Page 6: ...o confirm the current selection 4 ADJUST UP To scroll up in menu or to increase value of selected item 5 ADJUST DOWN To scroll down in menu or to decrease value of selected item 6 POWER INDICATOR The...

Page 7: ...NTER For OSD Adjustment 3 UP For OSD Adjustment 4 DOWN For OSD Adjustment 5 RED For LED 6 GREEN For LED 7 PSW Power ON OFF 8 GND JP1 Output Terminal for inverter unit Connector P N VCNCP0906REJST Pin...

Page 8: ...gnal 7 GREEN RETURN GND for GREEN video signal 8 BLUE RETURN GND for BLUE video signal 9 5V_DDC TO DDC PIN 8 10 SYNC RETURN GND for SYNC Signal 11 GND GND 12 DDC data TO DDC PIN 5 SDA 13 H SYNC Horizo...

Page 9: ...XOOG5 20 XOOG4 21 XOOG3 22 XOOG2 23 XOOG1 24 XOOG0 25 GND 26 XOOB7 27 XOOB6 28 XOOB5 29 XOOB4 30 XOOB3 31 XOOB2 32 XOOB1 33 XOOB0 34 OPOL 35 OLOAD 36 ODOM 37 GND 38 XOCLK 39 GND 40 XODINV 41 GND 42 XO...

Page 10: ...FOR2 7 XFOR1 8 XFOG0 9 XFOG7 10 XFOG6 11 XFOG5 12 XFOG4 13 XFOG3 14 XFOG2 15 XFOG1 16 XFOG0 17 GND 18 XFOB7 19 XFOB6 20 XFOB5 21 XFOB4 22 XFOB3 23 XFOB2 24 XFOB1 25 XFOB0 26 XFFR7 27 XFFR6 28 XFFR5 29...

Page 11: ...XFFB2 49 XFFB1 50 XFFB0 J1 Output terminal for LCD PANEL Connector P N QCNCP2002T8 Pin NO Symbo Function 1 XOFG6 2 XOFG5 3 XOFG4 4 XOFG3 5 XOFG2 6 XOFG1 7 XOFG0 8 GND 9 XOFB7 10 XOFB6 11 XOFB5 12 XOFB...

Page 12: ...1 KEY 2 LED G 3 LED R 4 MENU S1 For OSD Adjustment 5 SELECT S2 For OSD Adjustment 6 GROUND 7 DOWN S4 For OSD Adjustment 8 UP S3 For OSD Adjustment INVERTER CON1 Inverter input Terminal Pin Symbo Func...

Page 13: ...ship Invertercable QCNWS0906T8010 24AWG Shieldingcable connection relationship PHR 6 PHR 6 Pin NO Pin NO 1 1 2 2 3 4 4 3 5 5 6 6 PHR 8 PHR 8 Pin NO Pin NO 1 8 2 7 3 6 4 5 5 4 6 3 7 2 8 1 ViewSonic Cor...

Page 14: ...5 5 42 42 6 6 43 43 7 7 44 44 8 8 45 45 9 9 46 46 10 10 47 47 11 11 48 48 12 12 49 49 13 13 50 50 14 14 15 15 16 16 17 17 18 18 19 19 20 20 21 21 22 22 23 23 24 24 25 25 26 26 27 27 28 28 29 29 30 30...

Page 15: ...NEL 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 10 10 11 11 12 12 13 13 14 14 15 15 16 16 17 17 18 18 19 19 20 20 21 21 22 22 23 23 24 24 25 25 26 26 27 27 28 28 29 29 30 30 PANEL cable QCODS1476T8 ViewSonic...

Page 16: ...HIC 12V 5V W1 DB15 A D CONVERTER SCALER SD1210 2 T CON U17 J2 J1 J3 DDC EPROM 24C21A Serial EEPROM MPU U14 MTV130P OSD JP1 TO INVERTER JP2 SWITCH MODE POWER SUPPLY 17 LCD PANEL SW BOARD DPWBN5415T8 TC...

Page 17: ...dd vertical line is dark Does picture display Back light On or off A dark picture or a picture full of colored vertical lines Check power LED Check display resoluton Check inverter Check I F board JP1...

Page 18: ...D o e s t h e s c r e e n d i s p l a y Y E S N O display ok YES OSD debug 3 NO solution with no display 2 loss of RGB NO screen shaking CHK LP1 LP12 CHK U1 C2 C4 R2 for PLL NO CHK R83 84 86 L23 YES J...

Page 19: ...o Not Copy No screen handler 2 Back light on YES NO 3 3V OK YES NO START RP 1 RP 6 YES U1 PIN 30 31 OK U17 PIN1 24 34 47 63 77 246 256 YES A CHK CKT SHEET 6 POWER NO NO CHKU1 3 3V2 3 3V3_PLL PIN 29 cl...

Page 20: ...Copy CHK CKT SHEET 6 POWER No screen handler 2 B A CHK U17 LED always ON or always OFF when powering on CHK U14 CKT YES NO CHK SYSTEM POWER CHK U8 OK NG CHK CKT SHEET 2 PANEL CHK U16 if recall functi...

Page 21: ...OSD DEBUG 3 CHK L17 OK CHK U14 PIN33 34 37 38 PUSH KEY SWITCH ViewSonic Corporation 18 Confidential Do Not Copy VE700 1 VA720 2...

Page 22: ...JP2 12V INPUT F3 L20 U9 3 V 3 panel _5v FOR U1 U22 U8 L17 PIN 2 U6 PIN 2 4 3 V 3 FOR U17 CHK SHEET 3 9 6V 25 09V 4 96 1 25 FOR U17 ViewSonic Corporation 19 Confidential Do Not Copy VE700 1 VA720 2...

Page 23: ...KEYBOARD CAB A 3 HINGE CAB A 2 420712 XEPSD40P12000 2 PCS 1 CAB A CAB B 2 420713 XBMSD30P06000 21 PCS 1 INVERTER 2 MAIN 5 SHIELD 10 D SUB 3 CABLE CLIP 1 420715 XBMSD40P08000 4 PCS 1 MHNGM0019 4 42071...

Page 24: ...B 1 PCS 1 I F BOARD FOR VIEW SONIC 17 260002 VRMDNVG 000J A 7 PCS 1 R21 39 55 90 112 116 117 260003 VRMDNVG 000J A 10 PCS 1 R122 124 130 131 132 134 137 138 141 142 260004 VRMDNVG 000J A 5 PCS 1 R148...

Page 25: ...PCS 1 C128 129 130 131 132 133 134 135 136 137 260070 VCLFHN1HG104Z A 7 PCS 1 C140 147 155 156 159 160 161 260071 VCLFHN1HG104Z A 7 PCS 1 C175 176 177 178 188 189 R68 260075 VCICHN1HH101J A 6 PCS 1 C2...

Page 26: ...1 SECOND SOURCE 260139 VSDSS22 A 3 PCS 1 D4 5 7 260139A VSDSS24 A 3 PCS 1 SECOND SOURCE 260139B VSDSK22 A 3 PCS 1 SECOND SOURCE 260139C VSDSK24 A 3 PCS 1 SECOND SOURCE 260139D VSDLYSS32 A 3 PCS 1 SEC...

Page 27: ...EJST 1 PCS 1 J1 MODEL CPWBVE700T8ACED LEVEL NO PARTS CODE QTY UNIT POSITION AND DESCRIPTION 421001 VVLM170ES04 1 SET 1 DUMB PANEL 17 AV 421002 RUNTP5392T8 1 PCS 1 INVERTER 421003 DPWBN5408T8 1 SET 1 I...

Page 28: ...9 EXPLODED DIAGRAM ViewSonic Corporation 25 Confidential Do Not Copy VE700 1 VA720 2...

Page 29: ...HIELD CASE INVERTER BOARD 12 RUBBER LEG 13 D SUB BRACKET 14 DECORATION PLATE 15 SHIELD CASE I F BOARD 16 I F BOARD 17 LCD PANEL 17 18 KENSINGTON BRACKET 19 REAR COVER 20 LOGO COVER 21 HINGE COVER 22 B...

Page 30: ...v L8 BEAD C33 0 01u C14 10p C12 NC C18 NC U2 74LV14 1 2 3 4 5 6 7 8 9 10 11 12 13 14 A1 B1 A2 B2 A3 B3 GND B4 A4 B5 A5 B6 A6 VCC C40 0 1u R3 75 R11 33 R13 2K U4 2421 1 2 3 4 5 6 7 8 NC NC NC GND SDA S...

Page 31: ...3 3V GAVCC C46 100u 25V B1 15uH FL1 NC FL R22 47K C56 0 01u 16V C51 0 47u 16V C47 0 1u 25V 5V1 1 PAD FL2 NC FL FL3 NC FL C55 0 01u 16V C53 0 01u 16V C54 0 47u 16V R21 0 B2 BEAD C50 0 47u 16V B3 BEAD...

Page 32: ...5 2200p R25 0 R28 0 R31 2K C57 1u 25V R32 14 7K 1 L12 47uH R29 0 NMOS Q3 SI3434DV 1 2 3 4 5 6 D D G S D D R37 2 2K 1 C67 1u 50V R41 68K 5 R59 7 5K 1 C89 0 1u C76 0 1u 25V R45 39K 5 R53 10K Q4 2N7002E...

Page 33: ...XOEG 0 7 XOER 0 7 XOOB 0 7 XOOG 0 7 XOOR 0 7 BA5 QB3216C301T4 1 2 3 4 5 6 7 8 CA18 22CP 1 8 2 7 3 6 4 5 BA7 QB3216C301T4 1 2 3 4 5 6 7 8 CA24 22CP 1 8 2 7 3 6 4 5 CA22 22CP 1 8 2 7 3 6 4 5 BA22 QB321...

Page 34: ...XEDINV EPOL XECLK Gate_ON XOEG 0 7 XOER 0 7 XOOB 0 7 XOOG 0 7 XOOR 0 7 XEOB 0 7 XEOR 0 7 XEOG 0 7 XEEB 0 7 XEER 0 7 XEEG 0 7 XOEB 0 7 YVEE_ 4 95V YV1_ 25 09V AVDD_ 9 6V V 3 3V V33T1 1 PAD GATE1 1 PAD...

Page 35: ...100U 16V L19 BEAD C104 0 01u R153 24K C105 470u 16v C113 0 1U C102 0 1u R173 1k R67 10K C103 0 1u C189 0 1U R69 22 JP3 CON4 1 2 3 4 AI5 AI D34 1 U23 SI9435DY 1 2 3 4 5 6 7 8 S S S G D D D D C188 0 1u...

Page 36: ...N13 DATA_SEL B_IN14 B_IN15 B_IN16 B_IN17 ROM_SCL ROM_SDA GND CPU_SDA CPU_SCL PWM_CTL CLK_1M VDD CLK_1M_O RESET_B R_OSD G_OSD B_OSD EN_OSD SCAN_EN TEST_EN VCLK01 FCLK0 VCLK00 FCLK1 VCLK1 HSYNC_O VSYNC_...

Page 37: ...22P C152 22p R101 22 R107 100 L33 BEAD R106 10K C147 0 1u C191 NC Q14 MMBT3904L 1 2 3 D8 1N4148 R102 1M C160 0 1u C155 0 1u R160 2 2K R159 4 7K C190 NC C157 NC C156 0 1u U16 24LC16 1 2 3 4 5 6 7 8 A0...

Page 38: ...192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241...

Page 39: ...11 PCB LAYOUT DIAGRAM ViewSonic Corporation 36 Confidential Do Not Copy VE700 1 VA720 2...

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