ViewSonic PJ503D-1 - Page 106

103
ViewSonic Corporation Confidential - Do Not Copy PJ503D-1
Model
Title
Date Rev:
ViewSonic Corporation
MAIN BOARD
KEYPD_RIGHT
KEYPD_DOWN
LED_G2
LED_R2
LED_R1 LED_R3
USB_D-
KEYPAD_MODE
SSP0_CLK
KEYPD_DOWN
SR16ADDR2
SR16SEL1
AUDIO_VOL
CWINDEX
SR16STRB
KEYPD_PWR
EXT_ARSTZ
UART1_TXD
KEYPD_RIGHT
LOW_P
SDA
SR16ADDR3
SR16MODE1
CWTACH
USB_EN
SR16ADDR0
POSENSE
IRRCVR
LED_G1
KEYPD_SEL
KEYPAD_AUTO
BINSEL1
SSP0_CS0
SR16ADDR1
SSP1_DI
FAN_SW
LED_G3
KEYPD_BLANK
SSP1_CS0
SSP0_DO
LAMPEN
TEST_P
SR16OEZ
SR16SEL0
SSP1_CLK
PWM3
LED_R3
KEYPD_SEL
LED_R2
BINSEL0
SSP1_DO
KEYPD_LEFT
AUDIO_MUT
SCL
LED_G2
LED_G1
USB_EN
LED_R1
USB_D+
LED_G3
DAD_INT
KEYPD_PWR
KEYPD_AUTO
KEYPD_BLANK
KEYPD_UP
PWR_DOWN
SR16MODE0
PUM_ARSTZ
KEYPD_UP
SYSRSTZ
KEYPD_LEFT
CWINDEXA
UART1_RXD
KEYPD_MODE
LAMPLITZ
PWM_AUDIO2
PWM_AUDIO1
PWM_ECO
LED_G1
LED_R1
CWINDEXA
GND
LAMP_RXD
SR16STRB
SR16ADDR2
SR16ADDR1
SR16SEL0
SR16ADDR3
SR16SEL1
SR16MODE0
UART1_TXD
P3P3V
SR16OEZ
SDA
SR16ADDR0
IRRCVR
SSP1_DO
SSP1_DI
USB_D-
SSP1_CLK
USB_D+
SSP1_CS0
SSP0_DO
SSP0_CLK
SSP0_CS0
PWM3
SCL
PUM_ARSTZ
UART1_RXD
EXT_ARSTZ
DAD_INT
CWTACH
LAMPEN
BINSEL0
BINSEL1
LAMP_RXDP5V
TEST_P
SR16MODE1
AUDIO_MUT
LAMPLIT
AUDIO_VOL
PWR_DOWN
FAN_SW
P2P5V
LED_R1
PWM_AUDIO1
PWM_AUDIO2
PWM_ECO
P5VS
P5VS
P3P3V
P5VS
P5VS
P3P3V
P3P3V
P3P3V P5VS
P3P3V
P3P3V
P3P3V
P3P3V
P3P3V
P5V
P2P5V
P2P5V
P5VS
P2P5V
P3P3V
P2P5V
P2P5V
P3P3V P5VS
LOW_P
KEYPD_PWR
KEYPD_SEL
KEYPD_AUTO
KEYPD_BLANK
KEYPD_UP
KEYPD_DOWN
KEYPD_LEFT
KEYPD_RIGHT
LED_R2
LED_G2
LED_R1
LED_G1
LED_R3
LED_G3
CWINDEX
KEYPD_LEFT
KEYPD_DOWN
KEYPD_UP
USB_EN
KEYPD_BLANK
KEYPD_AUTO
LED_G3
KEYPD_SEL
KEYPD_PWR
LED_R2
USB_EN
LED_R3
LED_G2
POSENSE
LOW_P
CWINDEX
KEYPD_RIGHT
KEYPD_MODE
KEYPD_MODE
POSENSE_B
POSENSE_B
EXT_ARSTZ
PO
LED_G1
LED_R1
LED_G1
Keypad and LED circuit
L: Lamp on
H: Lamp off
L: Lamp on
H: Lamp off
DDP2000 RESET IC
RB37
OPEN
0
RB40
OPEN
RB41
OPEN OPEN
RB42
0
OPEN
WITH WATCHDOG
FUNCTION(MAX6823)
RB38
0
0
0
WITHOUT WATCHDOG
FUNCTION (NCP302)
OPEN
OPEN
0
0
RB44
0
0.1u
C92
0.1u
0.22u0.1u
OPEN
C93
0.1u0
OPEN
OPEN
R55
OPEN
OPEN
OPEN
WITHOUT WATCHDOG
FUNCTION(ICL88011)
OPEN
OPEN
RK11 330
RB420 J
RK9
4.7K J
SW5
6B40039071
1 3
2 45
TP233
C92 0.022U K
R1 NC
RB43 10K J
R141 100 J
R506
4.7K J
RK8 330
U36
74AHC1G08GW
1
2
3
4
5
U23
AME8550BEEVC190Z
VCC
2
NC
4
GND
3
RESET
1
CD
5
TP232
R133 27
CK8
680P J
RB38 OPEN
QK3
2N3904S
B
E C
DDP2000
U15D
DDP2000-5
IR1
C29
IR0
C27
SDA0
A27
SCL0
B27
USB_DAT_N
A28
USB_DAT_P
B28
PWM0_GPIO_24
B24
PWM0_GPIO_25
A24
PWM0_GPIO_26
E23
PWM0_GPIO_27
D23
SSP0_CS1_GPIO_28
B25
SSP0_CS0
E28
SSP0_CLK
D26
SSP0_DI
B26
SSP0_DO
C26
SSP1_CS1_GPIO_29
D24
SSP1_CS0
C30
SSP1_CLK
A26
SSP1_DI
C25
SSP1_DO
D25
UART1_RXD
D30
UART1_TXD
E27
UART1_CTS
D29
UART1_RTS
D28
UART0_RXD
F27
UART0_TXD
F28
UART0_CTS
E30
UART0_RTS
E29
LMPSYNC_GPIO_30
D22
LMPSTAT
C22
LMPCTRL
B22
PWRGOOD
AH8
EXT_ARST
AK5
EXT_ARSTZ
AG6
PUM_ARSTZ
AH6
SYSRSTZ
AJ8
POSENSE
AK8
GPIO_31
C24
GPIO_23
E21
GPIO_22
D21
GPIO_21
C21
GPIO_20
B21
GPIO_19
A21
GPIO_18
D20
GPIO_17
C20
GPIO_16
B20
GPIO_15
A20
GPIO_14
E19
GPIO_13
D19
GPIO_12
C19
GPIO_11
B19
GPIO_10
A19
GPIO_9
D18
GPIO_8
C18
GPIO_7
B18
GPIO_6
D17
GPIO_5
C17
GPIO_4
B17
GPIO_3
A17
GPIO_2
D16
GPIO_1
C16
GPIO_0
B16
CW_TACH
A23
CW_INDEX
B23
DAD_INT
C23
SR16STRB
AC27
SR16MODE1
AE29
SR16MODE0
AD27
SR16SEL1
AC29
SR16SEL0
AC30
SR16ADDR3
AD28
SR16ADDR2
AD29
SR16ADDR1
AD30
SR16ADDR0
AC26
SR16OEZ
AC28
QK4
2N3904S
B
E C
RB41 OPEN
C94 0.22U K
SW7
6B40039071
1 3
2 45
CK5
680P J
QK8
2N3904S
B
EC
LED9 GRN
A K
CK9 680P J
RQ1 NC
R139
100K F
SW2
6B40039071
1 3
2 45
R134 3.3K J
RK6 330
R52 47 J
R142
1K J
CK4
680P J
R508
4.7K J
R501
4.7K J
C95 0.1U K
RG
LED5LTST-C155GEKT
2 13
4
SW8
6B40039071
1 3
2 45
QK7
2N3904S
B
E C
R509
4.7K J
R504
4.7K J
R51
150 J
R136 27
U25
74AHC1G08GW
1
2
3
4
5
U24
74AHC1G32GV
A
1
B
2
GND
3
VCC
5
Y
4
C96
220P J
CK2
680P J
SW1
6B40039071
1 3
2 45
R130
3.3K J
RB40
0 J
QK2
2N3904S
B
EC
LED8 GRN
A K
Q11
APM2301AAC-TRL
D
G
S
C93
0.1U K
RB37 OPEN
R55 OPEN
RK3
4.7K J
R505
4.7K J
R507
4.7K J
SW6
6B40039071
1 3
2 45
RK12 330
RK2 330
RG
LED6LTST-C155GEKT
2 13
4
CK3
680P J
+
C202
OPEN
12
RG
LED7LTST-C155GEKT
2 13
4
R128
1K J
C97 1U K
CK7
680P J
TP332
QK1
2N3904S
B
E C
R132
1.5K
R127
1K J
SW3
6B40039071
1 3
2 45
RK4
4.7K J
R129
3.3K J
RB44 OPEN
CK1
680P J
R57 510K
RK5 330
RK10
4.7K J
RG
LED2LTST-C155GEKT
2 13
4
C98 1U K
CK6
680P J
R140
OPEN
R37
150 J
RK1 330
RK7 330
R202
4.7K J
R131
3.3K J
RK14
4.7K J
TP231
R58 510K
SW4
6B40039071
1 3
2 45
Q13
MMBT2222ALT1G
1
32
C201
0.1U K
SW10
6B40039071
1 3
2 45
R502
4.7K J
R203
4.7K J
QK5
2N3904S
B
EC
R503
4.7K J
U35
74LV123PW
GND
8
2R
11
VCC
16
CX1
14
RCX1
15
1Q
13
2Q
5
CX2
6
RCX2
7
1R
3
1A
1
1B
2
2A
9
2B
10
1Q
4
2Q
12
Q12
MMBT2222ALT1G
1
32
RK13
4.7K J
R56 51K J
R59 OPEN
QK6
2N3904S
B
EC