Stern Pinball AC/DC Service And Operation Manual page 88

SCHEMATICS, WIRING & PCBS
CPU/SOUND PCB S.A.M. SYSTEM SCHEMATIC (SHEET 4 OF 5)
3
+3.3V
C33
0.1 UF
C39
0.1 UF
[2] TXD0
[2] RXD0
[2] TXD1
[2] RXD1
C1+
1
C1-
3
C2+
4
C2-
5
TXD0
11
RXD0
12
TXD1 10
RXD1
9
3
88
2
+3.3V
U32
C168
0.1 UF
3
VCC RESET#
DS1233
U52
C1+
1 2
C+ V+
C1-
6
V-
3
C1-
C2+ 4 14
C2+ T1OUT
13
R1IN
5 7
C2- T2OUT
C2- 8
R2IN
11
T1IN
12 16
R1OUT VCC
10
T2IN
9 15
R2OUT GND
SP232ACN
U53
V+
2
C+ V+
6 V-
V-
C1-
RS232_TD0
14
C2+ T1OUT
13 RS232_R D0
R1IN
7 RS232_TD1
C2- T2OUT
RS232_R D1
8
R2IN
T1IN
16
+5V
R1OUT VCC
T2IN
15
R2OUT GND
SP232ACT
2
AC/DC LUCI MANUAL 500-55C8-01
2
C167
0.01 UF
S1
1
2
SPST520
+5V
C37
0.1 UF
V+
V-
C41
0.1 UF
RS232_TD0
+5V
RS232_R D0
C72
10UF
+5V
R88
3.3K
RS232_TD1
RS232_R D1
1
+3.3V
R148
100
LED2
LED-YEL
RESET# [2, 3]
4
3
SERIAL A
9
DE9P
C34 C36 C38 C35
22PF 22PF 22PF 22PF
J14
1
L2
2
3
4
FB-0805
5
6
6MOD6
PHONE
JACK
STERN PINBALL, INC.
CPU / Sound PCB (S.A.M. System)
1
D
C
J4
5
4
8
3
7
2
6
1
B
A