ViewSonic Va703m4 Service Manual

40mil40milPANEL POWER
5DVCC
BKLT-EN
LED-2
LED-1
BKLT-ENJ1
LED-2LED-1
5DVCC
BKLT-VBRI
BKLT-VBRI
DGND
DGND
DGND
DGND
5V5DVCC
LED2
LED1
DGND
3.3VPANEL_VCC5V
5V
ONPANEL_5V
DGND
VBRI
INVON
POWER
MENUEXITDOWNUPMUTE
3.3DVCC
3.3V
MCU_VCC
5DVCC
R2NC/0
R171K
R82K
R5100k
R1610K/NC
Q4
2N390612
3
R410K
Q52N390612
3R14220
R120220
C10
1uF
Q1AO3401
1
32
+C7047uF_16V/NC
L1FEB/1206
Q6KST39041
2
3
FB1FEB/1206
+C7
100uF_16V
+C1100uF_16V
JP1
HEADER 13/SM
12345678910
12345678910
R121220
+C6
100uF_16V
R123220
R117220
C11...

Model
Title
DateRev:
ViewSonic Corporation
LED-1LED-2
UPDOWN
MENU
MUTE
EXIT
POWER
MUTEUPDOWNEXITMENUDGND
JP4
HEADER 13/SM
654321
654321
LED1
A1
C
A2
JP3
HEADER 13/SM
654321
654321
SW31234
SW61234SW51234
SW41234
SW21234
JP5
HEADER 13/SM
12345678910
12345678910SW11234
ViewSonic Corporation 78Confidential - Do Not Copy VA703b-4_VA703m-4  

Model
Title
DateRev:
ViewSonic Corporation
EVOLUME3
STBY3
5DVCC3
DGND
AGND
5VA
5VA
AGNDAGNDAGNDAGNDAGND
AGND
AGND
AGND
AGND
CA130.1uF
FBA1BED/6
CA2
0.1uF
FBA10BED/6
CA10.1uF
FBA5BED/6
CNA3
2PIN 2.0mm180
12
CNA2
2PIN 2.0mm180
12
+CA122.2uF_16V
RA547K
FBA8BED/6
RA8NC/1R2+CA310uF_16V
FBA2FEB/1206
CA6NC/180PF
UA1
APA2065
1
2
3
4
5
6
7
89
10
11
12
13
14
15
16ROUT+
SHUTDOWN
RIN-
GND
GND
VOLUME
LOUT+
LIN-VDD
LOUT-
BYPASS
GND
GND
SE/BTL
ROUT-
VDD
CA41uF
FBA4BED/6
CNA1
PHONEJACK 5P
12
3
45
CA10NC/180PFRA9NC/1R2...

Model
Title
DateRev:
ViewSonic CorporationClosed to MCU
DGND
MCU_RESET
MCU_VCC
MCU_VCC
IICSCL
IICSDA
IICSDA
MCU_RESET
IICSCL
MCU_VCC
MCU_VCC
DVII_DETECT
DVI_POWER
VOLUME
DGND
DOWN
MENUPOWER
VGA5V_1
LED1
DDC2_SCL
DDC1_SCL
UP
DGND
ONPANEL_5V
5DVCC
RESET_MCU
RTD_SCSB
3.3DVCC
INVON
RTD_SCLK
STBY
EXIT
DSUB_DETECTLED2
DDC1_SDA
MUTE
MCU_VCC
3.3DVCC
MCU_VCC
Y224MHzR151
10K
MTV512MG
U5
MTV512
4445464748123
4
8
151617
414039383736353433
32
28
29
2021222324252627
5
91011121314
6...

Model
Title
DateRev:
ViewSonic Corporation
Closed to Scaler
DDC1_SDADDC1_SCL
XOXI
RX2PRX2NRX1PRX1NRX0PRX0NRXCPRXCN
BJT_B
RXE3-RXE3+
RXO3+
RXE1+RXE1-RXE0+RXE0-
RXEC+RXEC-
RXO0-RXO0+RXO1-RXO1+RXO2-RXO2+RXOC-RXOC+RXO3-
RXE2-RXE2+
33VRST_REF
1.8CC
XI
RST_OUT
DDCSDA1DDCSCL1
XO
RXE2-
RXE3+
RXO1+
RXE2+
RXOC-
RXE0-RXO3-
RXE1+
RXE3-
RXE1-
RXO2+
RXO0+
RXO3+
RXO2-RXO1-
RXEC-
RXO0-
RXOC+
RXE0+
RXEC+
PWM0
R0-RXE1+
DGND
RXE3-
RXE2+
RXE0+
BJT_B
RXO3+
RXO2-
DGND
G0-
DGND
RXOC-
RXE1-
DDC1_SCL
RXOC+
RXE2-
PWM0
B0-...

Closed to connector Closed to con
nector
Closed to con nector
Closed to con nector
G0-
DDC1_SCL
BIN
GIN
RIN R0- R0+
VGA5V_1
CONNECT
DDC1_SDA B0- B0+
DDC1_SDA CONNECT
VGA5V_1 BIN
DDC2_SCL
DDC2_SDA
DDC1_SCL
G0
+
GIN
RIN
SOG0
AHS0
AVS0
RX0P
RX0N
RX 1P
RX1N
RX 2P
RX2N
RXCN
RXCP ADC_GND
DGND ADC_GND
ADC_GND
DVI_POWER
DDC2_SCLDVII_DETECT
AVS0AHS0
B0+
DGND3.3DVCC
B0-
SOG0
G0-
R0+
R0-
DDC1_SCL
DDC1_SDA
DSUB_DETECT
VGA5V_1
G0+
R1.8DVCC
RXCN
RX2N
RXCP
RX1P
RX0P
RX1NRX2P
RX0N
DGND
R1.8DVCCR1.8DVCCR1.8DVCC
D11...

ViewSonic Corporation 83 
11. PCB Layout Diagrams 
 
 
Confidential - Do Not Copy   VA703b-4_VA703m-4  

ViewSonic Corporation 84 Confidential - Do Not Copy   VA703b-4_VA703m-4  

ViewSonic Corporation 85  Confidential - Do Not Copy 
 VA703b-4_VA703m-4  

ViewSonic Corporation 86  Confidential - Do Not Copy 
 VA703b-4_VA703m-4