Samsung MAX-670 Service Manual page 59

9-5-2 LC866232 : UIC1
No.
Port
1 P52
2 PWM 1
3 P20
4 P21
5 P22
6
P23
7
P24
8 P25
9 P26
10 P27
11 TEST
12 /RES
13 XT1
14 XT2
15 VSS
16 CF 1
17 CF 2
18 VDD
19 P80
20 P81
21 P82
22
P83
23
P84
24 P85
25 P86
26 P87
27 P70
28 P71
29 P72
30 P73
31 S0
32 S1
33 S2
34 S3
35 S4
36 S5
37 S6
38
S7
39
S8
40 S9
41 S10
42 S11
43 S12
44 S13
45 S14
46 S15
47 VDVP
48 VP
49 S16
Samsung Electronics
Name
I/O
EEP_DI I
EEP_DO O
EEP_CL O
EEP_CE O
EXP_CL O
EXP_CE O
A/SOL O
TEST1 O
RESET I
XT1
I
XT2
O
GND
CF1 I
CF2 O
VDD
AMPS I
A/HALL I
A/HALF I
A/MODE I
KEY 1 I
KEY 2 I
KEY 3 I
SCOR I
SYS_CE I
P SENS
I
OPTION
I
G1 O
G2 O
G3 O
G4 O
G5 O
G6 O
G7 O
G8 O
G9 O
G10 O
G11 O
G12 O
G13 O
G14 O
G15
O
G16
O
VDD
VPP
S1 O
Description
EEPROM DATA IN
EEPROM/EXPIC DATA OUT
EEPROM CLOCK
EEPROM CHIP ENABLE
EXPANDER CLOCK
EXPANDER CHIP ENABLE
A DECK SOLENOID
V-CD PORT
V-CD PORT
V-CD PORT
NO USE
MICOM RESET
NO USE
NO USE
12MHZ OSC IN
12MHZ OSC OUT
V-CD¿º PORT
MUSIC IN PORT in AMPS
A DECK HALL SENSE
A DECK TAPE IN
A PLAY SENSE
1+6 KEY AD INPUT
CD AD KEY INPUT
DECK AD KEY INPUT
SCOR INTERRUPT
SYSTEM CONTROL ENABLE
POWER OFF SENSE
OPTION PORT
VFD GRID 1
VFD GRID 2
VFD GRID 3
VFD GRID 4
VFD GRID 5
VFD GRID 6
VFD GRID 7
VFD GRID 8
VFD GRID 9
VFD GRID 10
VFD GRID 11
VFD GRID 12
VFD GRID 13
VFD GRID 14
VFD GRID 15
VFD GRID 16
VFD VDD
-32V
VFD SEG 1
Block Diagrams
9-15