ViewSonic PJ503D-1 - Page 102

99
ViewSonic Corporation Confidential - Do Not Copy PJ503D-1
Model
Title
Date Rev:
ViewSonic Corporation
MAIN BOARD
IR1
IR2
P2P5V
IRVCC
P12V
IRRCVR
P12V
GND
P1P5V
P3P3V
P5VS
LAMP_RXD
LAMPEN
LAMPLIT
P2P5V
PWR_DOWN
FAN2_B
LED_R1
P5V
PWR_DOWN
PWM_ECO
P3P3V
P5VS
P5VS
P5VS
P2P5V P1P5V
P5VS P3P3V
P5V_I
P5VS
P5V
P5V_I
P2P5V
P12V
P5VS
P5V_I
P5V
P3P3V
Lamp circuit
1.5V POWER 5V POWER DELAY
3.3V POWER
POWER FROM DC/DC BOARD
IR circuit
5V POWER
OPEN
OPEN
TP331
Q2
SI2315BDS-T1-E3
3
1
2
Q5
2N3904S
B
E C
R31 0.47
R41 10K J
R80 4.7K
TP40
J8
2KL2021005
1
1
2
2
3
3
4
4
5
5
G1
G1
G2
G2
U14
74LVC1G04GW
NC
1
A
2
GND
3
Y
4
VCC
5
J7
2KL2021003
1
1
2
2
3
3
G1
G1
G2
G2
TP878
TP31
L21 Z80
Q15
2N3904S
B
E C
+ C993
100U 10V
12
R81 NC
R32 0.47
U13
TSOP4838
VOUT
1
GND
2
VCC
3
TP38
C91
4.7U Z
Q3
2N3904S
B
E C
TP26
R34
3K F
R207 NC
+ C902
<Spec>
22U 25V
12
J5
2K71071207
1
3
5
7
9
11
13
2
4
6
8
10
12
14
L22 Z80
+ C992
4.7U 25V M
12
R5
10K J
R33 0.47
C84
0.1U Z
R49 100 J
RA33 47 J
TP798
R42 100
+ C77
47U 10V
12
Q4
2N3904S
B
E C
R35 0.47
L905 Z80
U10
G960T63UF
GND
1
VOUT
2
VIN
3
OUT
4
TP771
L23 Z120
TP32
R50
510 J
Q14
SI2315BDS-T1-E3
3
1
2
L24
Z120
+
C76
10U 16V
12
R36
12K
TP33
C74
0.1U K
R48
10K J
C994
0.1U Z
TP35
TP39
+ C85
22U 16V M
12
R916 0 J
TP36
+
C75
22U 16V M
12
R205
2K J
TP29
R40
10K J
TP37
R39
2K J
C90
0.1U K
R38
10K J
D12
TZMC3V6
12
R43 270 J
U12
74AHC1G08GW
1
2
3
4
5
RA56
10K J
+ C991
100U 6.3V M
12
TP30
L20 Z80
+ C901
4.7U 25V M
12
U9
G962-18ADJTJUF
EN
1
ADJ
5
VIN
2
GND
3
VO
4
G1
G1
+ C81
4.7U 25V M
12
TP877