ViewSonic N4285p-4M, Service Manual

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8 . 11 . USB_FLASH_DEBUG_KEYPAD CON
KEYPAD / IR CONNECTOR
CODE FLASH/DATA FLASH
USB CONNECTOR
DEBUG PORT
FOR DEBUG
SPI +UART PORT
DATA FLASH
JPSW05:
SHORT 1-2 SELECT CODE FLASH(DEFAULT)
SHORT 2-3 SELECT DATA FLASH
RS232 BOARD INPUT
4:GND
3:D+
2:D-
1:+5V
USB PORT
SPI_for HW TRAP
D107, R
建議量產時可省下 上
464
CODE FLASH
JP04: short 2-3 as default
KeyPad
LED & IR
SN8P2501BX_SSOP_16
USB1_5V USB1_5V_FB
CH-_DOWN
Volume-
Menu_Exit
RESET_N FLASH_SPI_DI
SIS_SPI_CS1_N
SIS_SPI_CS_N
SIS_SPI_CS_N
SIS_SPI_CS0_N
RS232_TXB
RS232_RXB
V_3.3V_SF100
USB_A_DN
USB_A_DP
SIS_SPI_CS0_N
SIS_SPI_CLK
SIS_SPI_CS1_N
FLASH_SPI_DI_R HOLD_N
CH+_UP
Enter_Source
DEBUG0
DEBUG2
DEBUG1
DEBUG4
DEBUG3
PWRKEY
MCU_SCLK
MCU_SDA
MCU_INTR
MCU_SDA
MCU_SCLK
IR_SIS
MCU_INTR
USB1_5V
USB_A_DN
USB_A_DP
GND
CH+_UP
Menu_Exit
Volume-
CH-_DOWN
Enter_Source
SIS_USBA_DN 4
SIS_USBA_DP 4
DEBUG1 4
DEBUG3 4
DEBUG0 4
DEBUG2 4
DEBUG4 4
KEYPAD1_SIS 5
KEYPAD0_SIS 5
SIS_SPI_CLK 4
SIS_SPI_CS1_N 4
SIS_SPI_DO 4
FLASH_SPI_DI 4
AUX_PWROK 4
SIS_SPI_DO 4
SIS_SPI_CLK 4
KEYPAD_PWRKEY_SIS_N 4
DATA_FLASH_WP_N 4
FLASH_SPI_DI 4
CODE_FLASH_WP_N
4
SIS_SPI_CS0_N 4
SIS_SPI_DO 4
SIS_SPI_CLK 4
DEBUG5 4
SIS_R_LED 4
KEYPAD_PWRKEY_SIS_N 4
SIS_G_LED 4
IR_SIS 4
MCU_SCLK 4
MCU_SDA 4
MCU_INTR 4
UARTB_RX 4
UARTB_TX 4
GND GND GND GND
V_5V
GND
GND
GND
V_3.3V
GND
GND
V_3.3V_SPI
GND
V_3.3V_SPI
V_3.3V_AUX
GND
V_5V
V_5V_AUX
GND
V_3.3V_AUX
V_3.3V_SPI
GND
V_3.3V_SPI
GND
GND
GND V_3.3V_SPI
V_3.3V_SPI
GND
V_3.3V_AUX
GND
V_3.3V_AUX
GND
GND
V_3.3V_AUX
GND
V_3.3V_AUX
GND
GND
GND
R473 4.7K
R199
1.5K
P109
B9B-PH
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
C219
10uF_10V
R470
10K
R464 NC/0
TP110
R204
806R_1%
R474 4.7K
R218 NC/33R
P119
B5B-PH
5P200VM
1
2
3
4
5
P108
B6B-PH
6P200VM
1
2
3
4
5
6
I116
MX25L1605DM21-12G SOIC-8 L
1
2
3
4 8
7
6
5
S#
Q
TSL#
VSS VCC
RESET#
C
D
R225
4.7K
R475 4.7K
R221 100R
R203
665R_1%
C213
100nF_16V
R207
1.96K_1%
JP04
NC/1x3HEADER_SW
1
2
3
1
2
3
R215
100R
C209
470pF
R414 0R
R209
11.5K_1%
R202
665R_1%
R205
806R_1%
R220 4.7K
D104
4.7P
R377 6.8K
C
217
100nF
_16V
R416 100R
C
210
100nF
_16V
C220
100nF_16V
R219
0R
D106
4.7P
L117
120Z0805_3A
1 2
C
211
100nF
_16V
JP02
NC/2x7HEADER
1
3
5
7
9
11
13
2
4
6
8
10
12
14
R226
4.7K
P107
B6B-PH
6P200VM
1
2
3
4
5
6
TP111
JP01
1x3HEADER
1
2
3
F101
6V 1.1A
R206
1.96K_1%
R217 1K
R472 100R
R378 6.8K
R200
100R
R197
1.5K
I104
SN06-01-IIC_RC5_V101_SSOP_16
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
+
C208
100uF_16V_LESR
R471
100K
R213 1K
C212
100nF_16V
R237
NC/3.3K
I119
MX25L3205DM21-12G SOIC-8L
1
2
3
4
5
6
7
8
S#
Q
W#/VPP
VSS
D
C
HOLD#
VCC
R222 1K
D105
4.7P
R223
4.7K
P105
B7B-PH
7P200H3
1
2
3
4
5
6
7
R227 100R
C218
100nF_16V
R212 1K
R208
NC/10K
D107
BAT54C
1
2
3
R214 1K
R415 3.3K
P106
USB-A female
1
2
3
4
5
6
PW
DATA-
DATA+
GND
FGND1
FGND2
L118
CHOKE_CM14
1
2
4
3
JP05
1x3HEADER_SW
1
2
3
1
2
3
R224
4.7K
R210
11.5K_1% R211 1K
R201
100R
R379 6.8K
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N4285p-4M
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