background image

 

 

8

.

4

.

 MSD2248AL_256_IC

HDMI Block

RGB Block

CVBS Block

Audio Block

DDR-SDRAM Block

I2C / UART

USB Block

SAR

GPIO

Mode Selection

Using power plane

EEPROM

I2C address

at A0.

I2C address

at A4

CL=20pF ; C0max=5pF

System Crystal

Close to IC
with width trace

*100MHz, No any VIA hole!

Boot Loader SPI Flash

PWM

System Reset 

Close to IC 

as close 

as possible

with width trace

1

13

0V

0V

3V

2V

1V

1V

3V

2V

R295 , R309  ------ JEAN STD
R291 , R306  ------ CUSTOMER

LED Driver

4M

PANEL

INTERF

AC

E

Transport Stream

Debug port

Close to Scaler

modify circuit  080710

in order to reduce power comsumption add GPIO to control AMP sleep mode 080901

modify Res value from 5K6 to 6K8 080910

HDMI-CLKN

HDMI-CLKP

HDMI-RX0N

HDMI-RX2P

HDMI-RX1N

HDMI-RX2N

HDMI-RX1P

HPD_CTRL
DDC_SDA
DDC_SCL

R

RGB1_SOG

R

R

VGA_VSYNC1

VGA_HSYNC1


RGB0_Y-

RGB0_PB-

RGB0_PR-

YIN_0+
CIN_0+

CVBS1_IN
VCOM1
TV_IN+
TV_IN-

SIF_IN-

AUR0

PC_Audio-AUL2
PC_Audio-AUR2

AUL0

I2C-SDA

I2C-SCL

UART-TX
UART-RX

USB_DP
USB_DM

AU_DACO_1L
AU_DACO_1R

TUNER-SAR2

BRI_ADJ-PWM2

PWM0

24C04_I2C-SCL
24C04_I2C-SDA

24C32_I2C-SCL

I2C-SCL

24C32_I2C-SDA

SPI_CSN0

SP_SDO

SPI_SCK

SPI_SDI

MUTE_S/GPIO124

PANEL-ON/OFF-GPIO11

RGB0-SOG

BRI_ADJ-PWM2

LED_B-GPIO100

SYS_RST

System-RST

VBLCTRL-GPIO12

OSDENTER

LEDR

LEDB

SAR1

OSDINC

LEDR

OSDDOWNJEAN

OSDDOWN

LEDB

OSDDOWN

OSDINCJEAN

OSDINC

OSDUP

OSDDEC

OSDDOWN
OSDENTER

POWER-ON/OFF-GPIO44

SHUT_DOWN_AU

AUVRM

Y_CC

SPI_SCK

SPI_SDI

SP_SDO

SPI_CSN0

XTALO

I2C-SDA

XTALI

FLASH0_WPN-SAR3

SAR0

EEPROM_WPN-GPIO13

EEPROM_WPN-GPIO13

AUL1
AUR1

IR-SYNC

OSDINCJEAN
OSDDEC
OSD-POWER-KEY

OSDUP

OSDDOWNJEAN

AUVRP

AUVAG

TS_CLK
TS_SYNC
TS_VALID

TS_D[7:0]

UART-RX

UART-TX

T

S_

SYN

C

SPI-SDI

F

L

ASH

0

_

W

PN

-SAR

3

SAR

1

R

VCLP

HDMI-RX2P

I2C-

S

DA

V

DDC

TS

_

D

2

UA

RT

-RX

VGA_HSYNC1

HDMI-CLKN

SPI-SDO

TV_IN+

AVDD_ADC

VGA_VSYNC1

HDMI-REXT

VDDC

Y_CC

REFP

TS

_

D

3

AVDD_ADC

SAR

0

AU

VR

P

IR

-SYN

C

P

OWE

R

-ON

/OFF-GP

IO4

4

BR

I_

AD

J-PWM2

AUR0

CVBS1_IN

R

V

DDC

T

UNE

R-

S

A

R2

R

HPD_CTRL

T

S

_CLK

V

DDP

AVD

D

_

AU

VCOM1

REFM

AUCOM

CIN_0+

TS

_

D

6

TV_IN-

RGB0_PR-

RGB0-SOG

I2C-

S

CL

RGB0_Y-

DDC_SDA

O

SD

-PO

WER

-KEY

V

DDP

T

S_

VAL

ID

HDMI-RX1P

SIF_IN-

RGB0_PB-

EEPR

O

M

_

W

PN

-G

PI

O

1

3

TS

_

D

5

UA

RT

-T

X

A

U

_DA

C

O

_0L

TS

_

D

7

TS

_

D

4

HDMI-RX0P

PC_Audio-AUR2

PC_Audio-AUL2

AUR1

AVDD_SIF

HDMI-RX2N

A

U

_DA

C

O

_0R

YIN_0+

TS

_

D

0

HDMI-RX1N

AU

VAG

AUL1

AVDD_ADC

DDC_SCL

HDMI-CLKP

TS

_

D

1

A

V

DD_DDR

HDMI-RX0N

PWM0

AUL0

AU

VR

M

DQ

S

0

Syst

e

m

-R

ST

RGB1_SOG

USB_OCD_N-GPIO123

RXEC+

RXO3+

RXO2+

VDDC

LED_R-GPIO99

LED_B-GPIO100

AVDD_DDR

DQS2

DQS3

MDATA30
MDATA31

MDATA26
MDATA27

MDATA24

DQM3

MDATA25

MDATA28
MDATA29

AVDD_DDR

MDATA18

MDATA20

MDATA19

MDATA23

MDATA22

MDATA21

DQM2

MDATA16
MDATA17

AVDD_DDR

V

DDC

M

DDR_V

RE

F

AVD

D

_

MEMPL

L

A

V

DD_DDR

MC

L

K

-

MC

L

K

+

CK

E

M

A

DR8

M

A

DR7

M

A

DR5

M

A

DR6

M

A

DR3

M

A

DR4

M

A

DR1

M

A

DR2

M

A

DR0

M

A

DR12

M

A

DR11

M

A

DR10

M

A

DR9

CA

S

WEZ

RA

S

BA0

BA1

A

V

DD_DDR

CAS

WEZ

RAS

BA0
BA1

MCLK-

CKE
MCLK+

MDATA5

MDATA11

MDATA6

MDATA12

MDATA9

MDATA13

MDATA7

MDATA14

MDATA10

MDATA0

MDATA15

MDATA8

MDATA2

MDATA3

MDATA4

MDATA1

MDATA24

MDATA30

MDATA19

MDATA25

MDATA20

MDATA28

MDATA23

MDATA18

MDATA16

MDATA29

MDATA22

MDATA17

MDATA21

MDATA26

MDATA27

MDATA31

MADR3

MADR7

MADR8

MADR4

MADR5

MADR6

MADR1

MADR11

MADR2

MADR12

MADR0

MADR10
MADR9

DQ

S

1

DQ

M

1

A

V

DD_DDR

V

DDC

XT

AL

O

XT

AL

I

A

V

DD_M

P

LL

U

SB_

D

P

U

SB_

D

M

A

V

DD_O

T

G

OTG_

R

E

X

T

AVD

D

L

_

D

VI

V

DDC

MD

AT

A1

5

MD

AT

A1

4

MD

AT

A1

3

MD

AT

A1

2

MD

AT

A1

1

MD

AT

A1

0

MD

AT

A8

MD

AT

A9

MD

AT

A7

MD

AT

A6

MD

AT

A5

MD

AT

A4

MD

AT

A3

MD

AT

A2

MD

AT

A1

MD

AT

A0

AVDD_LPLL

RXOC-

RXO1+

RXE2-

RXE3-

RXE0+

RXEC-

RXO0-

RXO3-

RXE3+

VDDP

SPI-SCK

RXE2+

SPI-CSN0

RXOC+

RXO1-

RXO2-

PANEL-ON/OFF-GPIO11

RXO0+

VDDP

RXE0-

VBLCTRL-GPIO12

RXE1-
RXE1+

LED_R-GPIO99

S

HUT

_DO

W

N_A

U

PWM1

PWM1

HDMI-RX0P

D

T

VR

ESET

MDDR_VREF

MUTE_S/GPIO124

USB_OCD_N-GPIO123

VBLCTRL-GPIO12

HDMI-CEC

HDMI-CEC

OSDDOWN
OSDENTER

OSDUP

OSDMENU

OSDINC

OSDMENU

OSDDEC
OSDMENU

OSDINC

POWER-SAVING-GPIO98

A

U

_DA

C

O

_1L

A

U

_DA

C

O

_1R

AU_DACO_0L
AU_DACO_0R

POWER-SAVING-GPIO98

DPF_AUL

DP

F

_

E

nabl

e-

DP

F

_

Car

d_dec

t-

DPF_PWR

DPF_Card_dect-

SYS_RST

DPF_Y

DPF_AUR

DPF_AUL

DPF_Pr

DPF_Pb

OSD-POWER-KEY

UART-RX
UART-TX

DPF_Enable-

DPF_IR

DPF_IR

DPF_K0
DPF_K1
DPF_K2

DP

F

_

P

W

R

DP

F

_

K

0

DP

F

_

K

1

DP

F

_

K

2

D

PF

_

SEL

DP

F

_

RS

T

DPF_RST

DPF_AUR

DPF_Y

7

DPF_Pb

7

DPF_Pr

7

D

PF

_

SEL

7

VCC3.3V-ST

VCC3.3V-ST

AVDD_DDR

AVDD_LPLL

AVDD_MEMPLL

AVDD_OTG

AVDD_MPLL

AVDD_SIF

AVDD_AU

VCC3.3V-ST

AVDD_MEMPLL

VCC3.3V-ST

AVDD_LPLL

VCC3.3V-ST

VDDP

AVDD_ADC

AVDD_DVI

VCC1.2V-ST

VCC2.5V-ST

VCC3.3V-ST

VCC3.3V-ST

VCC3.3V-ST

VCC3.3V-ST

VCC3.3V-ST

AVDD_MPLL

AVDD_SIF

AVDD_AU

VCC3.3V-ST

AVDD_OTG

AVDD_ADC

AVDD_DVI

AVDD_ADC

VCC3.3V-ST

VCC3.3V-ST

VCC5V-ST

VCC5V-ST

VCC5V-ST

VCC5V-ST

VCC5V-ST

VCC3.3V-ST

VCC3.3V-ST

VCC3.3V-ST

VCC3.3V-ST

VCC3.3V-ST

VCC3.3V-ST

VCC5V-ST

VCC3.3V-ST

VCC3.3V-ST

VDDC

AVDD_DDR

VCC3.3V-ST

VCC3.3V-ST

VCC3.3V-ST

AVDDL_DVI

VCC5V-STDPF

VCC3.3V-ST

VCC3.3V-ST

+5V_General

VCC3.3V-ST

VCC3.3V-ST

C3311nF

R297

220R 0603

R335
0R

C267
100nF

C282
100nF

R283

5K1

C276
100nF

Q203
MMBT3906

1

3

2

C293
100nF

R311
10K

C268
100nF

E

B

C

SOT

23

Q202

MMBT3906

1

3

2

R301
NC

R340 100R

R285
4.7K

C278
100nF

C288
100nF

R716

10K

R277

3K9

R358
NC/10K

L206

600R/1.5A 0805

+

C263

10u/16V

C316
100nF

C152

NC

R257
909R 1% 0603

+

C349

10u/16V

C299
100nF

C3321nF

R298

470R 0603

R724

100R

R304

2.4K

R291

0 0603

C3301nF

R286
4.7K

+

C262

10u/16V

C151

NC

C264
100nF

R272 4.7K

+

C303

10u/16V

P206
CON28C

1
3
5
7
9

11
13
15
17
19
21
23
25
27

20

18

16

14

12

10

8

6

4

2

28

26

24

22

C3251nF

R268
NC/10K

R300

5K1

R328

4.7K

R278 1K

R152
NC

C261
20pF

R323

10K

C301

100nF

R313

100R

I211
24C04

1
2
3
4

5

6

7

8

A0
A1
A2
GND

SDA

SCL

WP

VCC

C311
100nF

C286
100nF

R290

100R

C304
100nF

C314

100nF

C315

10u/16V

C302
100nF

R356
10K

R365 100R 0603

R292
10K

R296

1K

R309

NC/0 0603

+

C305

1u/50V

R

G

V

SO

T

23

+

I210

NC/LM810 2.65V

1

3

2

R360

4.7K

R263
1K 1% 

+

C271

10u/16V

R303
1K

X202
12MHz

C269
100nF

R295

NC/0  0603

C260
20pF

C254
100nF

R282

1K

R317
10K

C284
100nF

R269
1K

P204

JST-PH13P-2.0-90

1

2

3

4

5

6

7

8

9

10

11

12

13

SEL

DOWN

UP

MENU

GND

LEDG

LEDR

POWER

LEFT

RIGHT

IRIN

IR5V

IRGND

R306

0 0603

C283
100nF

I206
MSD2248AL

10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30

32

34
35

40
41
42
43
44
45
46

48

50
51
52
53

55
56
57
58
59
60
61
62

64

65

70

66

68

69

73

78

134

118

119

120

121

122

123

124

125

128

129

130

131

132

133

191

182

183

184

192

186

188

189

190

217

218

219

220

242

243

244

255

256

5
6

9

7
8

4

31

245

89

246

254

71

72

79

117

137

138

139

140

141

142

143

144

145

146

147

150

151

152

153

154

155

156

157

158

159

90

91

92

93

94

95

96

97

101

102

135

136

185

193

194

195

196

197

198

199

200

201

202

203

204

205

206

207

208

222

216

248

249

251

252

250

1
2
3

36
37
38
39

230

74

75

76

54

80

81

82

83

84

85

86

87

88

257

33

47

49

63

67

77

98

99

100

103

104

105

106

107

108

109

110

111

112

113

114

115

116

126

127

148

149

160

161

162

163

164

165

166

167

168

169

170

171

173

174

175

176

178

179

181

172

177

180

187

209

210

211

212

213

214

215

221

223

224

226

227

225

228

229

231

232

233

235

236

237

238

239

240

234

241

247

253

RX2N
RX2P
GPIO125
REXT
DDCDA_DA
DDCDA_CK
HSYNC1
VSYNC1
VCLP
REFP
REFM
BIN1P
SOGIN1
GIN1P
RIN1P
BIN0M
BIN0P
GIN0M
GIN0P
SOGIN0
RIN0M

AVDD_ADC

HSYNC0
VSYNC0

CVBS3P
CVBS2P
CVBS1P
VCOM1
CVBS0P
VCOM0
AVDD_ADC

CVBSOUT

AVDD_SIF
SIF_IN1P
SIF_IN1M
VDDC

LINE_IN_0L
LINE_IN_0R
LINE_IN_1L
LINE_IN_1R
LINE_IN_2L
LINE_IN_2R
LINE_IN_3L
LINE_IN_3R

NC

NC

AVD

D

_

AU

GN

D

AU

VR

P

AU

VAG

LINE

_O

UT

_1L

V

DDP

GPIO125/CEC

SAR

0

/F

D

SP_

IM

S/

MC

U

_

T

M

S

SAR

1

/F

D

SP_

IC

L

K/

M

C

U

_

T

C

K

SAR

2

/F

D

SP_

ID

I/

M

C

U

_

T

D

I

SAR

3

/F

D

SP_

ID

O

/MC

U

_

T

D

O

PWM0

PWM1

PWM2

PWM3

H

W

R

ESET

SPI_CK

SPI_DI

SPI_DO

SPI_CZ0

VDDP

VDD_DDR

DDR_DQ[22]

DDR_DQ[21]

DDR_DQ[20]

DDR_DQS[2]

DDR_DQ[18]

DDR_DQM[2]

DDR_DQ[17]

DDR_DQ[16]

DDR_B

A

[0]

DDR_W

E

_N

DDR_RA

S

_

N

DDR_CA

S

_

N

DDR_DQ

M

[0]

DDR_DQ

[1]

DDR_DQ

[0]

XI

N

A

V

DD_M

P

LL

RX0P
AVDD_ADC

GND

RX1N
RX1P

RX0N

RIN0P

V

DD_DDR

V

DDC

DDR_DQ

S

[0]

XO

U

T

LINE

_O

UT

_2L

LINE

_O

UT

_2R

GP

IO2

0

UA

RT

_RX

(DDCA

_CLK

)

LA3P/RXE3+

LA3N/RXE3-

LACK/RXEC+

LACK/RXEC-

LA2P/RXE2+

LA2N/RXE2-

LA1P/RXE1+

LA1N/RXE1-

LA0P/RXE0+

LA0N/RXE0-

VDDP

LB3P/RXO3+

LB3N/RXO3-

LBCKP/RXOC+

LBCKN/RXOC-

LB2P/RXO2+

LB2N/RXO2-

LB1P/RXO1+

LB1N/RXO1-

LB0P/RXO0+

LB0N/RXO0-

TS

D

A

TA

[0

]

TS

D

A

TA

[1

]

TS

D

A

TA

[2

]

TS

D

A

TA

[3

]

TS

D

A

TA

[4

]

TS

D

A

TA

[5

]

TS

D

A

TA

[6

]

TS

D

A

TA

[7

]

GN

D

V

DDC

GPIO124

GPIO123

DDR_DQ[19]

GN

D

V

DDC

G

P

IO

13/UA

RT

_RX

1

/CE

C

G

P

IO

14/UA

RT

_T

X

1

MVR

E

F

DDR_CK

O

_

N

DDR_CK

O

DDR_CK

E

AVD

D

_

MEMPL

L

DDR_A

D[0]

DDR_A

D[1]

DDR_A

D[2]

DDR_A

D[3]

DDR_A

D[4]

DDR_A

D[5]

DDR_A

D[6]

V

DD_DDR

DDR_B

A

[1]

A

V

DD_DV

I

U

SB_

R

EXT

U

SB_

D

M

U

SB_

D

P

A

V

DD_O

T

G

GND
RXCN
RXCP

C1(CVBS7P)
Y1(CVBS5P)
C0(CVBS6P)
Y0(CVBS4P)

V

DDC

LINE

_O

UT

_1R(

D

A

C

O

_

S

)

NC

LINE

_O

UT

_0L(

DA

CO

_L)

GND

GP

IO2

1

GP

IO2

2

GP

IO2

3

GP

IO2

4

GP

IO2

5

GP

IO2

6

GP

IO2

7

GP

IO2

8

GN

D

GN

D

GND

NC

GND

AUCOM

AU

VR

M

LINE

_O

UT

_0R(

D

A

C

O

_

R)

T

SVAL

ID

T

SSYN

C

TS

C

L

K

GP

IO44/I2S

_

IN_W

S

GP

IO45/I2S

_

IN_B

CK

I2S

_

IN_S

D

SPD

IF

_

IN

SPD

IF

_

O

U

T

I2S

_

OUT_W

S

I2S

_

OUT_M

C

K

I2

S_

O

U

T

_

SC

K

I2

S_

O

U

T

_

SD

0

I2

S

_

OU

T_

M

U

TE

V

DDP

IRIN

INT

UA

RT

_T

X

(DDCA

_DA

T

)

DDCR_DA

DDCR_CK

GPIO12

GPIO11

AVDD_LPLL

GND

GND

VDDC

GPIO100

GPIO99

GPIO98

GPIO97

DDR_DQS[3]

VDD_DDR

DDR_DQ[31]

DDR_DQ[30]

DDR_DQ[29]

DDR_DQ[28]

DDR_DQ[27]

DDR_DQ[26]

DDR_DQ[25]

DDR_DQ[24]

DDR_DQ[23]

GND

DDR_DQM[3]

VDD_DDR

GND

V

DD_DDR

DDR_A

D[7]

DDR_A

D[8]

DDR_A

D[9]

DDR_A

D

[10]

DDR_A

D

[11]

DDR_A

D

[12]

DDR_DQ

S

[1]

DDR_DQ

[15]

DDR_DQ

[14]

DDR_DQ

[13]

DDR_DQ

[12]

GN

D

DDR_DQ

[11]

DDR_DQ

[10]

DDR_DQ

M

[1]

DDR_DQ

[9]

DDR_DQ

[8]

DDR_DQ

[7]

DDR_DQ

[6]

DDR_DQ

[5]

DDR_DQ

[4]

DDR_DQ

[3]

DDR_DQ

[2]

V

DD_DDR

GN

D

V

DDC

GN

D

R312

100R

P203

2.0mm/Male_wafer

SIP4

1

2

3

4

+

C277

10u/16V

C290
1nF

C275
100nF

R325

4.7K

R329

4.7K

R333

NC

R331
NC

R307
100R 0603

+

C313

47u/16V

R727

NC/4K7

C272
100nF

C287
100nF

R288

2K2

C281
100nF

R261

4.7K

C270
100nF

R293

100R

R355 0R

R334
NC

C300

100nF

C289
100nF

R715

10K

R722

100R

+

C306

10u/16V

R726

NC/4K7

R270
10K

R275 NC/ 0603

C266
100nF

R151
NC

C298
100nF

R338
100R

C274
100nF

R337
NC

R264

1K 1% 

C294
100nF

R308

5K6

R714

10K

R281

470R 0603

C3261nF

C292
100nF

R721

100R

R305

2K2

R318

4.7K

R711

10K

L207
600R/1.5A 0805

R287
4.7K

C265
100nF

C3281nF

R271
NC/1K

R339
100R

R258
1M

C280
100nF

D204
BAV99

3

2

1

R279

1K

C310

100nF

C285
NC

R728

NC/4K7

R310

4.7K

R299

1K

R260

4.7K

L208

0R 0805

C273
100nF

R289 1K

C333

1nF

E

B

C

SOT

23

Q201

MMBT3906

1

3

2

R324

10K

R284

2.4K

L205

600R/1.5A 0805

C572

1uF 0603

R723

100R

R262

392R 1% 0603

R280

220R 0603

C3291nF

R332
NC

R336

4.7K

C3271nF

C348
100nF

C200
100nF

C312 NC/10u/16V

R266
NC/4.7K

C309

100nF

R326

4.7K

I209 NC/24C512K

1
2
3
4

5

6

7

8

A0
A1
A2
GND

SDA

SCL

WP

VCC

R276

470R 0603

R302

NC/24K

R712

10K

C296
100nF

+

C351

100uF/16V

C350

100nF

C573

1uF 0603

C308

10u/16V

+

C291

10u/16V

R294

6K8

R713

10K

C279
100nF

R725

NC/4K7

C297
100nF

R327

4.7K

R267
10K

I207
MX25L2305DM2I-12G

1

2

3

4

5

6

7

8

CE#

SO

WP#

VSS

SI

SCK

HOLD#

VDD

HDMI-CLKP

8

HDMI-CLKN

8

HDMI-RX0P

8

HDMI-RX0N

8

HDMI-RX1P

8

HDMI-RX1N

8

HDMI-RX2P

8

HDMI-RX2N

8

HPD_CTRL

8

DDC_SDA

8

DDC_SCL

8

R

6

RGB1_SOG

6

R

6

R

6

7

RGB0_PB-

7

VGA_HSYNC1

6

VGA_VSYNC1

6

7

RGB0_Y-

7

7

RGB0_PR-

7

YIN_0+

7

CIN_0+

7

CVBS1_IN

7

VCOM1

7

TV_IN+

3

TV_IN-

3

3

SIF_IN-

3

AUL0

7

AUR0

7

PC_Audio-AUL2

9

PC_Audio-AUR2

9

I2C-SCL

2

I2C-SDA

2

UART-TX

6

UART-RX

6

USB_DP

12

USB_DM

12

AU_DACO_1L

10

AU_DACO_1R

10

TUNER-SAR2

3

VCC3.3V-ST

1,8,10

VCC3.3V-ST

1,8,10

PANEL-ON/OFF-GPIO11

1

VCC1.2V-ST

1

VCC2.5V-ST

1,5

USB_OCD_N-GPIO123

12

VCC3.3V-ST

1,8,10

VCC3.3V-ST

1,8,10

RGB0-SOG

7

BRI_ADJ-PWM2

1

VBLCTRL-GPIO12

1

MUTE_S/GPIO124

10

SAR1

SAR0

POWER-ON/OFF-GPIO44

1,10

VCC3.3V-ST

1,8,10

VCC3.3V-ST

1,8,10

VCC3.3V-ST

1,8,10

Y_CC

7

SHUT_DOWN_AU

10

AUL1

7

AUR1

7

TS_D[7:0]

2

TS_CLK

2

TS_SYNC

2

TS_VALID

2

DTVRESET

2

VCC3.3V-ST

1,8,10

VCC5V-ST

1,6,7,8,12

RXE1-

11

RXE0-

11

RXE0+

11

RXEC+

11

RXEC-

11

RXE2+

11

RXE2-

11

RXE3+

11

RXE3-

11

RXO1-

11

RXO1+

11

RXO2-

11

RXO2+

11

RXOC-

11

RXOC+

11

RXO3-

11

RXO3+

11

RXO0-

11

RXO0+

11

RXE1+

11

MDATA[16..31]

5

MDATA[0..15]

5

MADR[0..12]

5

CKE

5

MCLK+

5

MCLK-

5

CAS

5

RAS

5

WEZ

5

BA0

5

BA1

5

DQS2

5

DQM2

5

DQM3

5

DQS3

5

DQS1

5

DQM1

5

DQM0

5

DQS0

5

MDDR_VREF

5

HDMI-CEC

8

POWER-SAVING-GPIO98

10

AU_DACO_0L

10

AU_DACO_0R

10

VCC5V-STDPF

1

VCC3.3V-ST

1,8,10

+5V_General

1,2,3,12

ViewSonic Corporation

 

Confidential - Do Not Copy

 

VTMS2431

71

Содержание VS12335-2M

Страница 1: ...Service Manual ViewSonic VTMS2431 Model No VS12335 2M 23 6 LCD TV VTMS2431_SM Rev 1a Apr 2009 ViewSonic 381 Brea Canyon Road Walnut California 91789 USA 800 888 8583 ...

Страница 2: ...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 time to time in the contents hereof without obligation of ViewSonic to notify any person of such revision or changes Trademarks Optiquest is a registered trademark of ViewSonic Corporation ViewSonic is a registered...

Страница 3: ...ircuit Description 30 5 Adjustment Procedure 37 6 Trouble Shooting Flow Chart 64 7 Block Diagram 67 8 Schematic Diagrams 68 9 PCB Layout Diagrams 87 10 Exploded View And Exploded Parts List 94 11 Recommend Spare Parts List 97 2 Specification 3 ViewSonic Corporation Confidential Do Not Copy VTMS2431 ii ...

Страница 4: ...immediately Long contact with water may cause discoloration or spots 4 When the panel surface is soiled wipe it with absorbent cotton or other soft cloth 5 Since the panel is made of glass it may break or crack if dropped or bumped on hard surface 6 Since CMOS LSI is used in this module take care of static electricity and insure human earth when handling 7 Do not open nor modify the Module Assembl...

Страница 5: ...rizer Surface of the LCD panel is pressed by fingers and that may cause Mura Take out the monitor with cushions Taking out the monitor by grasping the LCD panel That may cause Mura Place the monitor on a clean and soft foam pad Placing the monitor on foreign objects That could scratch the surface of the panel or cause Mura ViewSonic Corporation Confidential Do Not Copy VTMS2431 2 ...

Страница 6: ...d video cards see 7 1 General Test Equipment in the primary mode VGA 60 Hz and after user adjustment b No image drift or lose fine tune settings due to panel temperature change Panel Acceptance Spec Refer to the panel acceptance criteria specification Note Intermittent and or Display Pattern defects which result in further bright or dark dots will be counted individually against the above specific...

Страница 7: ...5 75 Hz 16 7 M DDC2B Compliant Rev 1 3 Refer to Appendix USB Characteristics USB 2 0 3 Audio Audio amp of this product shall be provided by YAMAHA with a Model Number of YDA148 MST MSD2248AL for VTMS2431 M shall be used as sound processor In addition a pair of speakers shall be integrated within this product The audio signals of this product shall comply with the specification listed in the follow...

Страница 8: ...issing 11 Power Supply Acoustics The Power Supply shall not produce audible noise that would be detectable by the user Excluding Power Supply Fan Audible shall be defined in accordance with ISO 7779 DIN EN27779 1991 Power Switch noise shall be Excluded 12 Efficiency 80 full load nominal line 13 Leakage Current 0 5mA 240VAC 14 Power Saving DPMS N A 15 Recovery Time 3 sec 16 Power Factor Correction ...

Страница 9: ...style Front size Front edge style Front edge color FG color BG color F G Opacity Option ATSC GG Opacity DCR On Off Restore Default Yes No OPTION TV ID 01 99 TV Source Air CATV CHANNEL Auto Scan Scan all channels Digital channel only Analog channel only OSD Table for VS12335 2M USB MOVIE File list Previous Play Pause Next Stop Timer PHOTO Photo file list preview Previous Play Pause Next Rotate Stop...

Страница 10: ...ents N A Exterior Chassis Color Refer to Product ID Guide Chassis Component s Color Difference Refer to Product ID Guide Chassis Color Drift Due to UV Light The color drift due to UL Light shall be less than 10 Delta E in the 1976 CIE L a b color space Testing shall be performed according to the requirements of ASTM Test Method D4459 93 Chassis Texture Front Bezel N A Back Cover N A MT11010 Molded...

Страница 11: ...roduct Operating Temperature 0 C to 40 C Humidity 10 65 non condensing Altitude 0 meter to 2000 meters above sea level Storage Temperature 20 C to 60 C Humidity 0 90 non condensing Altitude 0 meter to 12 000 meters above sea level ViewSonic Corporation Confidential Do Not Copy VTMS2431 8 ...

Страница 12: ...mode 3 Remote Control Receiver Receives IR signals from the remote control 4 Volume Down Decrease sound volume or adjust a highlighted control while in OSD menu 5 Volume Up Increase sound volume or adjust a highlighted control while in OSD menu 6 MENU Turn OSD menu ON OFF 7 CH Down Channel down when source is TV or select a control while in OSD menu 8 CH Up Channel up when source is TV or select a...

Страница 13: ...Video input Connect this jack to the composite video output connectors on your A V equipment 6 S Video input Connect the S Video cable from the compatible device to this connector on the rear panel of the LCD TV 7 AV S Video Audio input left right Connect the Audio in cable for AV S Video from this jack to the corresponding connectors on your A V device 8 YPbPr DVI Audio input left right Connect t...

Страница 14: ... to your Cable or VHF UHF antenna 12 RS232 signal input This port is for the service technician s use For the function description of RS232 please download the complete user guide from www viewsonic com and refer to RS232 Protocol on page 45 to 55 The RS232 application software is not supplied with TV 13 USB Connect to your USB devices such as USB flash drive portable hard drive ViewSonic Corporat...

Страница 15: ... system DVD Player VCD Player Game system DVD Player Personal Computer AC power socket DVD Player VCD Player Game system USB Device Please refer to the Quick Start Guide supplied when connecting the other equipment to your LCD TV For detailed information please download the complete user guide from www viewsonic com and refer to page 16 to 20 ViewSonic Corporation Confidential Do Not Copy VTMS2431...

Страница 16: ... the same as these buttons on the remote control Button Description 1 INPUT Input source select 2 ENTER Confirm selection or enter selected menu 3 TV Direct to TV source 4 VOL Adjust volume UP DOWN 5 GUIDE Show electronic program guide EPG 6 LIST Select channel from program list 7 0 9 number buttons Directly channel select ViewSonic Corporation Confidential Do Not Copy VTMS2431 13 ...

Страница 17: ... DOWN 17 ZOOM Adjust window size 18 FAV Select from preset Favorite Channels 19 MUTE Volume mute ON OFF 20 INFO Display current information 21 SLEEP Set timer to turn off TV 22 MTS Select Mono Stereo or SAP sound 23 C C Select caption mode 24 16 9 4 3 Switch between 16 9 and 4 3 aspect ratio screen 25 ROTATE Rotate the photos in 90 180 270 and 0 26 EXIT Exit the current screen 27 STOP Return to ph...

Страница 18: ...U at any time 5 The Auto Scan screen will be shown and after it is done the screen will return to the first found channel Viewing the Menus 1 Press the MENU button to display the OSD main menu There are six top menus on the screen PICTURE AUDIO TIME OPTION LOCK and CHANNEL 2 Press or to select your desired top menu 3 Press ENTER or to enter the menu you select 4 Use to select the control you want ...

Страница 19: ... the MENU button to display the OSD main menu 2 Press or to select the CHANNEL menu Press or to select Favorite then press button to enter Favorite setting 3 Press or to select the channel you d like to be your favorite channel Press ENTER to confirm your selection 4 To cancel the selection Press ENTER again on the selected channel 5 Press MENU to exit To view your favorite channels press FAV butt...

Страница 20: ... press MENU or ENTER to complete the setting 7 Press MENU to exit Adding Erasing Channel When the channel is erased it will not appear on the screen when you browse the channels with CH button To see the channel again you must add the channel or perform the Auto Scan page 9 function again 1 Press the MENU button to display the OSD main menu 2 Press or to select the CHANNEL menu Press or to select ...

Страница 21: ...V mode Surround Sound Audio Only Sleep Timer Time Zone DST Time Format Auto Sync Clock Menu Language Transparency OSD Time Out DCR Dynamic Contrast Ratio and TV ID then press or to select your desired option 4 Press MENU to exit When in YPbPr source the option selected in Picture Mode of PICTURE Menu Standard Dynamic Soft or Personal will be applied in USB source 3 1 Press the MENU button to displ...

Страница 22: ...3 Press or to select Sleep Timer and press or to set the Sleep Timer from 5 240 min or Off 4 Press or to select Time Zone and select the correct time zone of your area with or The displayed time of Clock will be changed at the same time automatically To adjust Clock select Clock and press Use or to change between year month date hour minute or to adjust When you finish adjustment select OK and pre...

Страница 23: ... On to enable the detailed settings 6 Move to US or Canada rating system For detailed Close Caption setting 1 Press or to select Option then press to enter Option setting 2 Press or to select the Mode to be Custom and then use or to select desired options and use or to adjust detailed settings When you select the Mode to be Default you can not adjust the detailed settings ViewSonic Corporation Con...

Страница 24: ...ypes content FV fantasy violence V violence S sexual situations L adult language D sexsual dialog 2 Press ENTER to set or reset each area 3 Press MENU to exit 2 MPAA 1 Press or to select MPAA 2 Press or to select your desired MPAA ratings level The MPAA ratings level are defined as following G general audience PG parental guidance suggested PG 13 recommended for children 14 years of age or older R...

Страница 25: ... guidance 14 viewers and older 18 adult programming EXEMPT exempt 4 Press MENU to exit 2 Canadian French 1 Press or to select Canada Fre 2 Press to enter 3 Press or to select your desired Canadian French rating level The Canadian French rating levels are defined as following G genenral 8ans children eight years and older 13ans not appropriate for children of less than 13 years 16ans not appropriat...

Страница 26: ...shows an example of the content of RRT Setting However the selections and sub selections of RRT Setting may be different in your OSD menu according to the local broadcasting system To reset RRT setting move to Reset RRT and press to reset To Change Password 1 Press or to select Change Password then press to enter Change Password setting 2 Move to Enter Old Password then enter the old password with...

Страница 27: ...ct Restore Default then press to restore the factory default setting 5 Select Yes and press ENTER to confirm the setting Setting RS232 Parameter 1 Press the MENU button to display the OSD main menu 2 Press or to select the OPTION menu 3 Press ENTER or to enter OPTION menu 4 Press or to select TV ID then press or to set the TV ID number from 01 99 For detailed information please download the comple...

Страница 28: ... Auto Auto adjustment H Pos H Position V Pos V Position Clock or Phase and adjust the level with or When in PC source the other menus are the same as or similar to when in other source When there is no signal in the PC mode No Signal will be displayed on the screen and the TV will automatically turn into power saving mode after a few seconds idleness Press INPUT or POWER button on the remote contr...

Страница 29: ...e the buttons on the TV panel to make selection The panel buttons function the same as the following keys on the remote control VOL VOL MENU MENU EXIT CH CH INPUT ENTER Press the CH and INPUT keys together at the same time will change the input source from USB mode to TV mode MOVIE mode Select the Movie icon to get to the Movie Preview screen All the movie files will be listed in the playlist at t...

Страница 30: ... Pause Stop the movie from playing Press again to play I Next Play the next movie in the playlist Stop Back Stop the movie playing and go back to the Movie Preview screen PHOTO mode Photo thumbnails will be displayed in this folder Use arrow keys to select a photo The photo will not be displayed if it is not supported by this TV Instead the photo thumbnail will be replaced by the icon ViewSonic Co...

Страница 31: ...nge to slideshow mode Press again to keep in pause mode I Next Display next photo Rotate Rotate the current photo 90 180 270 0 normal Stop Back Return to photo thumbnail screen Zoom Zoom in the current photo Rate is x2 x4 x8 x16 x1 normal E BOOK mode Select the txt file in the E BOOK you d like to read and press ENTER to display it To display next page of the txt file press ViewSonic Corporation C...

Страница 32: ...Press ENTER to confirm the change In Setup menu you can select Language Slideshow duration Slideshow mode and Movie repeat mode If you select Autorun to On and turn off and on the power again then the TV will display the photo in slideshow mode automatically To stop and return to USB mode selection screen press MENU key at anytime To return to factory default settings select Default and press ENTE...

Страница 33: ...ile video decoder a Dolby Digital AC 3 MPEG layer I and II digital audio decoder with analog audio outputs that are designed to support ATSC HD SDTV programs while handling ATSC CC and EPG With additional software support the MSD2248AL can be used in DVB T standard areas such as part of Asia Africa and Australia Furthermore it is also possible to decode MPEG 4 JPEG MP3 formats from external source...

Страница 34: ... 1 51 SIF1M Analog Input Reference Ground for SIF Audio Input Channel 1 52 I2S_OUT_MCK Output Audio Master Clock Output 109 I2S_OUT_BCK Output Audio Bit Clock Output 110 I2S_OUT_WS Output Word Select Output 4mA driving strength 108 I2S_OUT_SD Output Audio Serial Data Output 4mA driving strength 111 I2S_OUT_MUTE Output Audio Output Mute Control 112 SPDIFO Output S PDIF Audio Output 4mA driving stre...

Страница 35: ... Negative Data Output 157 LVB1P Output LVDS B Link Channel 1 Positive Data Output 156 LVB2M Output LVDS B Link Channel 2 Negative Data Output 155 LVB2P Output LVDS B Link Channel 2 Positive Data Output 154 LVBCKM Output LVDS B Link Negative Clock Output 153 LVBCKP Output LVDS B Link Positive Clock Output 152 LVB3M Output LVDS B Link Channel 3 Negative Data Output 151 LVB3P Output LVDS B Link Chann...

Страница 36: ...eral Purpose Input Output 119 SAR0 Analog Input SAR Low Speed ADC Input 0 General Purpose Input Output 118 DRAM Interface Pin Name Pin Type Function Pin DQM 3 0 Output Data Mask for Low Byte active high 177 188 231 242 DQS 3 0 I O Data Strobe 168 192 221 246 MVREF Input Reference Voltage for DDR SDRAM Interface 197 MCLKZ Output DRAM Memory Negative Differential Clock 198 MCLK Output DRAM Memory Po...

Страница 37: ...ck cycle at the I O pins A single read or write access for the 256 Mbit Double Data Rate SGRAM effectively consists of a single 2n bit wide one clock cycle data transfer at the internal DRAM core and two corresponding n bit wide one half clock cycle data transfers at the I O pins A bidirectional data strobe DQS is transmitted externally along with data for use in data capture at the receiver DQS i...

Страница 38: ...QAM and 256 QAM modes for digital cable appliances It achieves extremely high performance employing direct IF sampling architecture robust synchronization and robust channel equalization It contains a 12 bit A D converter and a PWM generator for automatic gain control A host interface with an I2C bus is also included to control the behavior of the MSD809 I404 AML7228 The heart of USB port AML7228 ...

Страница 39: ...he micro coded engine provides support for all existing audio formats and it also hasenough flexibility to accommodate new audio standards Popular audio formats like MPEG LPCM Dolby AC 3 5 1 HDCD MP 3 WMA AAC RealAudio and FLAC can be supported The AML7228 also integrated two USB 2 0 High Speed OTG controllers and PHYs for connecting to USB hard disk FLASH memory The AVOS drivers and applications ...

Страница 40: ...ure and white balance adjustments C Video reference the front detail specifications 1 Eeprom Initial Press MENU and and POWER key go to factory mode 2 Adjust color temperature A Enter to the factory mode Source select D_Sub figure 2 Use 1920x1080 60Hz the pattern is 5 block figure 1 then move the cursor to the White Balance figure 3 Press key That will do auto white balance B After auto white bala...

Страница 41: ...auto adjusting VGA MODE Depend on the TIMING of TIMING TABLE TABLE 4 to switch MODE in order stay about 10 seconds each MODE it can changed and stored automatically each MODE We can t switch over to the next MODE until AUTO ADJUST disappears 5 HDMI MODE FUNCTION TEST A DVI MODE Depend on the TIMING of TIMING TABLE TABLE 3 to check MODE in order B HDMI MODE make sure the 480i 480p 720p 1080i 1080p ...

Страница 42: ...Under S VIDEO AV MODE input L R AUDIO signal checks whether the action of AUDIO IN is right D Under YPbPr MODE input L R AUDIO signal checks whether the action of AUDIO IN is right Under HDMI MODE checks whether the action of AUDIO IN is right Under TV MODE checks whether the action of AUDIO IN is right E In DTV mode the input signal ATSC confirmed AUDIO LANGUAGE and the normal movements PARENT 11...

Страница 43: ...75 589 75 595 75 601 75 607 75 613 75 619 75 625 75 631 75 637 75 643 75 101 00 107 00 113 00 123 00 129 00 221 00 227 00 233 00 239 00 245 00 251 00 257 00 517 00 523 00 529 00 535 00 541 00 547 00 553 00 559 00 565 00 571 00 577 00 583 00 589 00 595 00 601 00 607 00 613 00 619 00 625 00 631 00 637 00 643 00 649 00 655 00 661 00 667 00 673 00 679 00 685 00 43 44 45 46 47 48 49 50 51 52 53 54 55 5...

Страница 44: ...7 00 263 00 269 00 275 00 281 00 287 00 293 00 299 00 305 00 311 00 317 00 323 00 329 00 335 00 341 00 347 00 353 00 359 00 365 00 371 00 377 00 383 00 389 00 395 00 JJ KK LL MM NN OO PP QQ RR SS TT UU VV WW AAA BBB CCC DDD EEE 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 94 354 360 360 366 366 372 3...

Страница 45: ... 57 423 98 111 17 141 58 429 99 117 18 147 59 435 100 651 19 153 60 441 101 657 20 159 61 447 102 663 21 165 62 453 103 669 22 171 63 459 104 675 23 219 64 465 105 681 24 225 65 471 106 687 25 231 66 477 107 693 26 237 67 483 108 699 27 243 68 489 109 705 28 249 69 495 110 711 29 255 70 501 111 717 30 261 71 507 112 723 31 267 72 513 113 729 32 273 73 519 114 735 33 279 74 525 115 741 34 285 75 53...

Страница 46: ...f close caption Input signal level 45dBu G CHANNEL 69 Adjustment attenuator If the critical point of the change of the image signal to noise ratio is under LEVEL 60dBu regards as normally PRODUCTS OUTPUT CHECK ITEM The same as CENTRALISM TRANSMITTING SIGNAL CHECK CONTENT saturation TEST inputs the TV signal the input signal LEVEL establishment most greatly is 90dBu check whether CONTRAST of the im...

Страница 47: ... dBu regards as normally TIMING TABLE FACTORY PRESET MODE table 4 No Resolution V freq D SUB DVI TO HDMI HDMI 1 1920x1080 60 YES NO NO 2 1680x1050 59 8 YES NO NO 60 YES NO NO 3 1440x900 59 8 YES NO NO 59 9 YES NO NO 4 1280x1024 60 YES NO NO 75 YES NO NO 5 1024x768 60 YES YES YES 75 YES NO NO 6 832x624 75 YES YES YES 7 800x600 60 YES YES YES 75 YES YES YES 8 640x480 60 YES YES YES 75 YES YES YES 9 ...

Страница 48: ...Equipment Needed VTMS2431M LCD TV Fixture for Firmware Upgrade VGA Cable PC Personal Computer Firmware Upgrade Program One additional LCD TV for checking the program execution USB flash memory 5 4 2 Connection PC to the Tv set by the tool as the follow picture pc1 pc3 Action The D_SUB cable must be 15 pin and the TV set must be AC ON pc 1 pc 2 pc 3 ViewSonic Corporation Confidential Do Not Copy VT...

Страница 49: ...f the the ISP board have been found you will see the picture as bellow pc 4 3 Press the Connect If all the things are ok and ready it will show the device type as the bellow picture Than pres 確定 pc 5 ViewSonic Corporation Confidential Do Not Copy VTMS2431 46 ...

Страница 50: ... version firmware file a file name with img sub filename into the flash memory 2 Select the file from the File function of the USB menu and press enter 3 Follow the OSD operation instruction to the end 4 The USB function will be re load if the upgrade is successful While upgrading be sure to keep the TV power on and avoid any unnecessary remote operation also be sure to to keep TV away from other ...

Страница 51: ... conform to the LCD TV you have to do the DDC key in 5 5 1 Equipment Needed VTMS2431M LCD TV DDC Card PC RS 232 cable Barcode Reader VGA Cable VTMS2431M LCD TV DDC Card PC RS 232 Cable VGA Cable Barcode Reader 5 5 2 Setup Procedure 1 Connect VGA Card and DDC Card with RS 232 cable ViewSonic Corporation Confidential Do Not Copy VTMS2431 48 ...

Страница 52: ... LCD TV with VGA Cable when key in DVI DDC information use VGA transform to DVI port 4 Connect Power Cord to VT2430 1M LCD TV 5 Press MENU and ENTER at the same time then go into the BURN IN MODE 5 5 3 DDC Key In Procedure 1 run DDC exe ViewSonic Corporation Confidential Do Not Copy VTMS2431 49 ...

Страница 53: ...2 Choose model number the 3 Press ENTER key ViewSonic Corporation Confidential Do Not Copy VTMS2431 50 ...

Страница 54: ...4 Press F4 key and Input bar code ViewSonic Corporation Confidential Do Not Copy VTMS2431 51 ...

Страница 55: ...5 Press ENTER key then the successful picture is as follows DDC DOWNLOED OK 6 Exit program ViewSonic Corporation Confidential Do Not Copy VTMS2431 52 ...

Страница 56: ...DMI connector 5 6 1 Equipment Needed VTMS2431M LCD TV PC RS 232 cable Barcode Reader HDMI Cable VTMS2431M LCD TV PC RS 232 Cable HDMI Cable Barcode Reader 5 6 2 Setup Procedure 1 Connect HDMI Card and DDC Card with RS 232 cable 2 Barcode Reader connects with keyboard and PC keyboard port ViewSonic Corporation Confidential Do Not Copy VTMS2431 53 ...

Страница 57: ...DC Card and VTMS2431M LCD TV with HDMI Cable 4 Connect Power Cord to VTMS2431M LCD TV 5 6 3 DDC Key In Procedure 1 Run DDC exe 2 Choose model number then ViewSonic Corporation Confidential Do Not Copy VTMS2431 54 ...

Страница 58: ...3 Press ENTER key 4 Press F4 key ViewSonic Corporation Confidential Do Not Copy VTMS2431 55 ...

Страница 59: ...5 Input bar code 6 Press ENTER key then the successful picture is as follows DDC DOWNLOED OK 7 Exit program ViewSonic Corporation Confidential Do Not Copy VTMS2431 56 ...

Страница 60: ...PE bag and seal the bag Figure 2 1 3 Put the cushions on the LCD TV Figure 3 1 4 Place the LCD TV into the carton and put all the accessories into the carton At last close the carton and seal it with tape Figure 4 Figure 4 Figure 3 Figure 1 Figure 2 Remote contrl 1 User s Guide 2 Guarant Card 3 Battery Power Cord ViewSonic Corporation Confidential Do Not Copy VTMS2431 57 ...

Страница 61: ...P POLYETHY BAG 1 6 NA 2001132017P CD OWNER GUIDE 1 7 DC 00009541 2002310807P GUARANT CARD 1 8 A 00005362 2427130046P AC POWER CORD 1 9 P 00009475 2011124004P CARTON BOX 1 10 NA 2055632340P LABEL 1 11 NA 2005100401P BATTERY DRY 2 12 A 00008456 2419200224P REMOTE CONTROL 1 ViewSonic Model Number VS12335 2M Rev 1a PACKING PART LIST VTMS2431 ViewSonic Corporation Confidential Do Not Copy VTMS2431 58 ...

Страница 62: ...assembly of Stand from LCD TV 1 1 Unscrew 4 screws to move Stand Unit and Dust Cover 2 Disassembly of Rear Cover 2 1 Unscrew 10 screws in the Rear Cover Stand Dust Cover ViewSonic Corporation Confidential Do Not Copy VTMS2431 59 ...

Страница 63: ...2 2 Prize the rectangle hole on Rear Cover Fig 1 with a screwdriver Fig 2 to make the Rear Cover detach from the LCD TV Rear Cover Fig 1 Fig 2 ViewSonic Corporation Confidential Do Not Copy VTMS2431 60 ...

Страница 64: ...wer Board Front Cover and Panel Unit 3 1 Unscrew 8 screws to remove Bracket fix and Dust cover 3 2 Unscrew 5 screws to move KeyPad Board Bracket fix KeyPad Board Dust cover ViewSonic Corporation Confidential Do Not Copy VTMS2431 61 ...

Страница 65: ...crew screws 5 to move Shield Plate 3 4 Unscrew 7 screws and disconnect the wires to remove Mms Board and Main Board Main Board Shield Plate Mms Board ViewSonic Corporation Confidential Do Not Copy VTMS2431 62 ...

Страница 66: ...3 5 Unscrew 4 screws and disconnect the wires to remove Power Board 3 6 Unscrew screws 4 to move Panel Bracket Power Board Panel Bracket ViewSonic Corporation Confidential Do Not Copy VTMS2431 63 ...

Страница 67: ...D807 I801 I801 DTV VDD33 CHECK I204 SUROUND CAP BEAD OK N Y CHECK I206 Y CHECK I202 SUROUND CAP OK D807 I801 I801 VCC1V2 STOK CHECK I105 SUROUND CAP BEAD OK N Y CHECK I206 SUROUND CAP OK Y Y CHECK P101 OK D807 I801 I801 PANEL 5V OK CHECK Q105 Q106 N Y CHECK I107 SUROUND OK Y OK ViewSonic Corporation Confidential Do Not Copy VTMS2431 64 ...

Страница 68: ...OUCE S Video cable Check N Check N N R561 R565 L505 L506 C521 C527 I107 SUROUND Y Check Check YPbPr cable Check N Check N N R567 R570 R573 YPbPr SOUCE Check TV SOUCE Check RF CABLE Check N Check N N L502 I501TUNER I503 SUROUND P504 SUROU Check PANEL 5V Check Q105 Q106 Check N Check N N PANEL P106 P503 SUROU Y Check HDMI SOUCE Check HDMI Check N Check N N I502 P501SUROUN Y ViewSonic Corporation Con...

Страница 69: ...pheral Check USB VCC3 3 ST N Check I410 I411 I206 peripheral N N Check USB Check Flash memory and peripheral Check N Check N N I404 I412 peripheral USB VCC1 2V ATAPI 3 3V Y ViewSonic Corporation Confidential Do Not Copy VTMS2431 66 ...

Страница 70: ...i jack YPbPr Audio RCAx2 Flash PC D Sub HDMI ATSC Speaker 6Wx2 MSD809 DEMO COMBO TUNER MSD2248AL YAMAYA 148 S_VIDEO DDRx2 EAR PHONE OUT TPA6113A2 Aml7228 USB DPF MODULE DPF Y Pb Pr ADM3202 RS232 DPF Audio RS232 and ViewSonic Corporation Confidential Do Not Copy VTMS2431 67 ...

Страница 71: ...220u 16V LESR I103 1084 3 3 1 2 3 4 ADJ VOUT VIN TAB R131 4 7K C109 100nF 0603 R124 100K 0603 R108 0R C165 47u 16V R111 0R C107 220u 16V LESR R184 4K75 1 0603 R180 NC C129 10u 16V R126 1K 1 0603 C166 NC C139 100nF R132 10K L124 NC R183 100K 1 0603 E B C SOT 23 Q101 NC 3904 1 3 2 C112 NC C134 1u 50V I104 1084 ADJ 1 2 3 4 ADJ VOUT VIN TAB C128 100nF C170 100nF L121 NC C163 100nF C116 220u 16V LESR C...

Страница 72: ...212 NC 10uH C234 100nF C322 10u 16V R231 0R D202 NC 1 2 C341 100nF C224 100nF C229 100nF L202 NC 1uH 0603 R243 100R L201 NC 600R 1 5A 0805 C235 100nF R228 NC R223 220R 0603 R224 100R R218 499R 1 0603 R242 100R C241 100nF R229 1K R232 NC 0R R343 0R C251 100nF R220 1K 0603 C230 100nF C221 100nF R252 120R R219 1K R227 100R R240 4 7K R248 NC R361 NC 0R C242 10nF 0603 C238 100nF C243 10nF 0603 C227 10u...

Страница 73: ...42 100nF 0603 R127 11K5 1 0603 R512 62R C509 100nF R587 NC 0 L502 600R 1 5A 0805 C506 10nF 0603 C504 1nF Q502 MMBT3904 1 3 2 R586 NC 2K2 I501 DTVS205EH201A 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 NC NC NC NC NC NC RF_AGC NC NC VT IF IF IF_AGC IF_TP SCL SDA GND TU 5V NC AFT SIF OUT CVBS OUT GND GND GND GND GND GND GND GND C512 NC 680pF C513 NC 330pF R503 100K R...

Страница 74: ... 3 4 5 6 7 8 9 10 11 12 13 SEL DOWN UP MENU GND LEDG LEDR POWER LEFT RIGHT IRIN IR5V IRGND R306 0 0603 C283 100nF I206 MSD2248AL 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 32 34 35 40 41 42 43 44 45 46 48 50 51 52 53 55 56 57 58 59 60 61 62 64 65 70 66 68 69 73 78 134 118 119 120 121 122 123 124 125 128 129 130 131 132 133 191 182 183 184 192 186 188 189 190 217 218 219 220 242...

Страница 75: ...12 DDR_128Mb_TSOP66 29 30 31 32 35 36 37 38 39 40 28 41 2 4 5 7 8 10 11 13 54 56 57 59 60 62 63 65 26 27 24 23 22 21 20 47 16 51 44 45 46 1 18 33 3 9 15 55 61 34 48 66 6 12 58 64 49 52 14 17 19 25 43 53 50 42 A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 AP A11 DQ0 DQ1 DQ2 DQ3 DQ4 DQ5 DQ6 DQ7 DQ8 DQ9 DQ10 DQ11 DQ12 DQ13 DQ14 DQ15 BA0 BA1 CS RAS CAS WE LDM UDM LDQS UDQS CKE CLK CLK MVDD MVDD MVDD VDDQ VDDQ VDD...

Страница 76: ...NC NC NC GND SDA SCL VCLK VCC R540 47R R541 47R R554 100R R590 NC R544 75R D508 4 7P C517 47nF R559 100R R551 4 7K D511 4 7P P502 DSUB 15 1 6 2 7 3 8 4 9 5 11 12 13 14 15 10 16 17 C518 47nF R546 510R R545 75R D512 4 7P D513 4 7P D525 4 7P R547 510R R548 2 4K D526 4 7P D507 4 7P C520 100nF R550 100R R560 10K R543 75R D506 4 7P D510 4 7P R589 NC R542 470R R555 100R R549 10K C519 1nF R552 4 7K R557 1...

Страница 77: ...516 4 7P R598 220K C536 NC 10pF L503 3 3uH 0805 C522 100p C553 47nF R320 4 7K C545 560pF D517 4 7P C539 680pF R568 75R A B C D P505 RCJ 4 2 6 1 4 5 3 R561 47R R564 75R R570 47R D519 4 7P P503 MINI DIN4 MINIDIN8 6 2 8 1 3 7 5 4 9 L505 3 3uH 0805 C549 330pF C567 4 7u 0805 R574 75R C532 47nF C529 47nF C565 NC R594 220K C548 1uF 0603 R572 47R R569 47R D520 4 7P C570 4 7u 0805 C528 1nF C543 330pF C523 ...

Страница 78: ... R523 6R8 C515 100nF R524 6R8 D503 1p R536 100R D501 NC 4 7P D502 1p S G D SOT 23 Q503 NC 2N7002 1 3 2 R533 4 7K R520 6R8 R528 100R P501 HDMI CON 3 1 5 15 16 6 4 2 18 17 19 9 7 8 11 10 12 13 20 21 22 23 14 DAT2 DAT2 Dat1 shield DDC SCL DDC SDA DAT1 DAT1 Dat2 shield 5V CEC DDC GND HPD DAT0 DAT0 Dat0 shield clk shield clk clk CEC SHIELD SHIELD SHIELD SHIELD VCLK R518 NC 100R R517 NC 0R D504 1p R535 ...

Страница 79: ... 10K C648 330pF C643 1uF 0603 C652 330pF C645 560pF C649 330pF R729 10K C654 100nF C653 1uF 0603 R733 1K R736 100R C647 330pF R732 1K C665 NC C650 47uF 16V C666 NC C651 47uF 16V R659 NC 10K C646 560pF R731 12K E B C SOT 23 NC MMBT3904 Q606 1 3 2 L611 0 0603 R734 10K R735 10K R730 12K L601 0 0603 P602 PHONE JACK NORMAL CLOSE 1 9 8 7 6 2 3 4 5 10 11 12 13 14 PC_Audio AUR2 4 PC_Audio AUL2 4 PHONE_R 1...

Страница 80: ... 24 25 26 27 28 29 30 31 32 11 PVDDREG AVDD INLP INLM VREF INRM INRP AVSS PLIMIT PVDDPR OUTPR1 PVSSR OUTMR2 OUTMR1 PVDDMR SLEEPN PROTN CKOUT MUTEN CKIN NCDRC0 NCDRC1 GAIN0 GAIN1 PVDDML OUTML1 OUTML2 PVSSL OUTPL1 OUTPL2 PVDDPL OUTPR2 R626 NC 82K I602 TPA6113A2 3 4 5 6 7 8 1 2 BYPASS GND SHUTDOWN IN2 VO2 VDD VO1 IN1 L612 NC 600R 1 5A L0805 R625 300K C611 0 47u 63V DIP R636 NC 6 8K L602 NC I603B NC L...

Страница 81: ...O3 RXE1 RXE1 RXEC RXOC RXE2 RXE0 RXE3 RXEC RXOC RXE2 RXE3 RXO1 RXO2 RXO1 PANEL VCC C259 220u 16V LESR R699 NC 0 R695 NC 0 C321 100nF R694 470R 0805 R693 470R 0805 P106 PIN 15x2 2 0mm 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 RXO3 4 RXO3 4 RXOC 4 RXOC 4 RXO2 4 RXO1 4 RXO0 4 RXO0 4 RXE3 4 RXE3 4 RXEC 4 RXEC 4 RXE2 4 RXE2 4 RXE1 4 RXE1 4 RXE0 4 RXE0 4 PANEL VCC ...

Страница 82: ...C 5 1R R362 NC 5 1R R314 NC 51K I504 NC AZ1045 04S 1 2 3 4 5 6 I 01 VDD I 02 I 03 GND I 04 R315 NC 100K C317 NC 47u 16V P205 NC USB A 1 2 3 4 5 6 VBUS D D GND SHELL SHELL C318 NC 1nF USB_DM 4 USB_DP 4 USB_OCD_N GPIO123 4 5V_General 1 2 3 4 VCC5V ST 1 4 6 7 8 ViewSonic Corporation Confidential Do Not Copy VTMS2431 79 ...

Страница 83: ... 3 1 2 C932 0 1u L902 CHOKE 1 2 3 4 C950 5P 6KV C929 NC R916 33 C941 105 R944 33 C956 103 P904 1 2 C952 NC D915 BAV99 SOT R932 10K R953 3K C940 5P 6KV D907 BAV99 SOT C908 10n C951 103 R947 33 I902 NC 3 1 2 IN OUT GND C947 0 1u C946 0 1u D906 1N4148 C939 NC R903 10K C910 33n X7R R928 NC R970 3K C938 103 R905 220K Q906 2N7002 SOT23 R918 0 C904 2 2u C913 470u 35V R972 NC R957 1M R942 0 R914 1M R901 4...

Страница 84: ... 16V C813 NC C830 680P R866 2R2 R801 12 1 R859 option 22 R814 10 R831 1K C805 150uF 400V Q802 2SC945P I801 LD7576 6 5 8 2 4 1 7 3 Vcc Drv HV FB GND Adj NC CS L804 5 2UH Z803 NC R827 1K L801 FERRITE CORE 4 5mm D806 UF4007 C811 0 047uF C834 NC R808 NC C801 0 47uF C810 10UF 50V C822 1000uF 16V C815 NC Z801 HZ12A 3 R843 3K C821 NC R803 910K 0805 R812 910K 0805 C827 10UF 50V Z802 HZ18A 3 D807 UF4004 Q8...

Страница 85: ...3904 1 3 2 R402 10K C410 100u 25V C411 100nF C403 100n C0402 C405 NC C408 NC 22pF 1 1 1 1 1 1 C409 100nF C406 1uF 0603 R403 10K I403 1117 3 3 1 2 3 4 ADJ VOUT VIN TAB L402 4 7uH 1A CF09 100u 25V C413 100nF C404 NC R407 301k 1 R401 10K I402 MP2105 1 2V 1 2 3 4 5 EN GND SW IN FB R406 332k 1 L401 600R 1 5A 0805 L403 600R 1 5A 0805 I401 AP9435M 1 8 2 7 3 6 4 5 S D S D S D G D R405 100K C407 100u 16V R...

Страница 86: ..._A_6 M1_A_7 M1_A_8 M1_A_9 M1_A_10 M1_A_11 DVSS12_PLL3 AVSS33_PLL3 DVSS12_PLL2 AVSS33_PLL2 VDD33 NC VDD12 VSS12 VSS33 VSS33 VDD33 DVDD12_PLL3 DVDD12_PLL2 DVDD12_PLL1 AVDD33_PLL3 AVDD33_PLL2 AVDD33_PLL1 VSS33 VSS33 DVSS12_PLL1 VSS12 VDD33 AVSS33_PLL1 VDD33 VDD33 VDD33 VDD33 VDD33 VDD33 VDD33 VDD33 VDD33 VDD33 VDD12 MIO5 HD_CLK T_CPH1 VDD12 VDD12 VDD12 VDD12 VDD12 VDD12 VDD33 VDD33 FEC_D4 UART_RX FEC...

Страница 87: ...DRAM2 DGND VCC_SDRAM2 DGND Core3 3V Core3 3V DGND DGND C487 100nF C489 100nF I407 MT48LC4M16A2 6ns IS42S16800A 37 1 14 27 3 9 43 49 28 41 54 6 12 46 52 36 40 38 21 20 19 18 17 16 15 39 2 4 5 7 8 10 11 13 42 44 45 47 48 50 51 53 23 24 25 26 29 30 31 32 33 34 22 35 CKE VDD1 VDD2 VDD3 VDDQ1 VDDQ2 VDDQ3 VDDQ4 VSS1 VSS2 VSS3 VSSQ1 VSSQ2 VSSQ3 VSSQ4 NC1 NC2 CLK BA1 BA0 CS RAS CAS WE DQML DQMH DQ0 DQ1 DQ...

Страница 88: ... 75ohm Q403 NC 3906 3 1 2 R449 NC 51R L415 NC L416 0 22uH CF07 22pF Q402 NC 3906 3 1 2 R495 270K CF03 22pF R493 NC R491 1K R447 NC 200R CF21 10u 16V C498 10u 16V CF10 NC R454 560 L417 0 22uH R453 0R CF04 100pF R460 NC 200R CF25 22pF C495 10u 16V CF00 100pF R448 NC 200R R464 0 ohm R452 10K CF20 NC C496 NC R457 NC 51R Q404 NC 3906 3 1 2 CF01 NC R456 NC 200R CF05 100nF CF02 10pF CF22 100nF L422 600R ...

Страница 89: ...403 4 7P R486100R R473 NC R475 10K R483 4 7K Q406 2N3904 1 2 3 CF19 100nF R478 1K CF14 100nF R482 10K P405 DB9_V 5 9 4 8 3 7 2 6 1 10 11 CF18 100nF R479 4 7K R481 47K CF15 100nF D404 4 7P I411 ADM3202 15 16 1 2 3 4 5 6 7 8 9 10 11 12 13 14 GND VCC C1P VP C1M C2P C2M VM TOUT2 RIN2 ROUT2 TIN2 TIN1 ROUT1 RIN1 T1OUT R484 4 7K I410 PIC12F675 I SN 1 2 3 6 7 8 4 5 VDD GP5 OSC1 CLKIN GP4 OSC2 GP1 GP0 VSS ...

Страница 90: ...9 PCB Layout Diagrams 9 1 MAIN PCB TOP VIEW ViewSonic Corporation Confidential Do Not Copy VTMS2431 87 ...

Страница 91: ...9 2 MAIN PCB BOTTOM VIEW ViewSonic Corporation Confidential Do Not Copy VTMS2431 88 ...

Страница 92: ...9 3 CON PCB TOP VIEW 9 4 CON PCB BOTTOM VIEW ViewSonic Corporation Confidential Do Not Copy VTMS2431 89 ...

Страница 93: ...9 5 POWER PCB TOP VIEW ViewSonic Corporation Confidential Do Not Copy VTMS2431 90 ...

Страница 94: ...9 6 POWER PCB BOTTOM VIEW ViewSonic Corporation Confidential Do Not Copy VTMS2431 91 ...

Страница 95: ...9 7 MMS PCB TOP VIEW ViewSonic Corporation Confidential Do Not Copy VTMS2431 92 ...

Страница 96: ...9 8 MMS PCB BOTTOM VIEW ViewSonic Corporation Confidential Do Not Copy VTMS2431 93 ...

Страница 97: ...10 Exploded View And Exploded Parts List ViewSonic Corporation Confidential Do Not Copy VTMS2431 94 ...

Страница 98: ...ViewSonic Corporation Confidential Do Not Copy VTMS2431 95 ...

Страница 99: ...TER001A M3 6L MSWR17 FZMYI 2 24 M SCW 0824 0285 2084730082P SCREW BND T M3X8 BND T 2 25 M SCW 0824 6945 2080004000P SCREW SPE STAND OFF HEX 4 40UNC H5 5 7L 2 26 M SCW 0824 6719 2082630062P SCREW M3X6 P 0 5 1 27 C 00009328 2071895900P BRACKET FIX N2430P FOR HINGE T 1 0mm 1 28 M SCW 0824 6719 2082630062P SCREW M3X6 P 0 5 2 29 NA 2072055233P METAL FITTG I O JC240A B IO SIDE SECC 0 6T PHOTO 1 30 NA 20...

Страница 100: ...431 1M VS12335 2M USA DC 00009539 2001132046P Main Source 6P80 16 GUARANTY CARD VIEWSONIC VTMS2431 1M QSG ENGLISH DC 00009540 2002310806P Main Source 6P81 17 ATTACH SHEET VIEWSONIC RETURN PREVENTION FLYER LCD TV DC 00009054 2001950220P Main Source 6P83 18 GUARANTY CARD VIEWSONIC VTMS2431 1M QSG FRENCH DC 00009541 2002310807P Main Source 6P84 19 Electronic Components CRT EEPROM Fly Back Transformer...

Страница 101: ... NA 2080003700P SCREW SPE ISZZTER001A M3 6L MSWR17 FZMYI 2 PC 41 NA 2084730082P SCREW BND T M3X8 BND T 2 PC 42 NA 2080004000P SCREW SPE STAND OFF HEX 4 40UNC H5 5 7L 2 PC 43 NA 2082630062P SCREW M3X6 P 0 5 1 PC 44 NA 2071895900P BRACKET FIX N2430P FOR HING T 1 2MM 1 PC 45 NA 2082630062P SCREW M3X6 P 0 5 2 PC 46 NA 2072055233P METAL FITTG I O JC240A B IO SIDE SECC 0 6T PHOTO 1 PC 47 NA 2027274901P ...

Страница 102: ... Description 5 Adjusting Procedure 6 Trouble Shooting Flow Chart 7 Block Diagram 8 Schematic Diagrams 9 PCB Layout Diagrams 10 Exploded View And Exploded Parts List 11 Recommended Spare Parts List B Are you satisfied with this Service Manual Item Excellent Good Fair Bad 1 Service Manual Content 2 Service Manual Layout 3 The form and listing C Do you have any other opinions or suggestions regarding...

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