Technics SL-DZ1200PP Service Manual page 127

IC22
C0JBAE000087
LOGIC CONTROL
3.5V
5 1 R197
3.5V
4
33
2
3.5V
3.5V
3
R208
33
IC3
C0JBAZ000531
LOGIC CONTROL
3.5V
5.3V
1 24
VccB
V A
CC
3.5V
3.5V
2 DIR VccB 23
3.5V
5.2V
3 22
A1 OE
5.2V
(3V)
4 A2 B1 21
2.4V
5.2V
(3V)
5 A3 B2 20
2.1V
5.2V
(3V)
6 19
A4 B3
1.8V
5.2V
(3V)
7 B4 18
A5
0.5V
5.2V
(3V)
8 17
A6 B5
0.7V
5.2V
(3V)
9 A7 B6 16
1V
5.2V
(3V)
10 A8 B7 15
0.9V
(3V)
11 GND 14
B8
1.5V
12 GND GND 13
IC5
C0JBAZ000531
LOGIC CONTROL
5.3V 3.5V
1 VccB 24
V A
CC
3.5V
3.5V
2 23
DIR VccB
3.5V
5.2V
3 A1 OE 22
5.2V
(3V)
4 21
A2 B1
2.4V
5.2V
(3V)
5 A3 B2 20
1.3V
5.2V
(3V)
6 A4 B3 19
1.1V
5.2V
(3V)
7 18
B4
A5
1.7V
5.2V
(3V)
8 A6 B5 17
1.7V
5.2V
(3V)
9 16
A7 B6
0.9V
5.2V
(3V)
10 A8 B7 15
1.3V
(3V)
11 GND B8 14
1.2V
12 GND 13
GND
7 8
L K I
R102
R70
33
0
A
B
C
D
E
F
G
H
I
Z153
100
A
B
C
D
E
F
J
G
H
K
Z154
L
100
M
N
O
P
Q
R
Z155
100
S
I
J
K
L
M
N
O
P
Z156
100
IC11
C0EBE0000252
RESET
3.4V
1 OUT NC 5
3.5V
2 V
DD
3 GND NC 4
9 10
IC23
C3FBMD000179
16M FLASH ROM
(0V)
0V
0.1V
1 AD15 AD16 48
(0V)
3.5V
0.1V
2 AD14 BYTE 47
0V
3 AD13 V
46
SS
(2.8V)
0V 3.1V
4 AD12 DT15 45
(2.8V)
0V 3.1V
5 AD11 DT7 44
(2.8V)
3.1V
0V
6 AD10 DT14 43
(2.8V)
0V
3.1V
7 AD9 DT6 42
(0V)
(2.8V)
0.1V
3.1V
8 AD8 DT13
41
(0V)
(2.8V)
0.1V
3.1V
9 AD19 DT5 40
(2.8V)
3.1V
10 NC DT12 39
(2.8V)
3.1V
3.4V
11 WE DT4 38
3.5V 3.5V
12 RESET V 37
CC
(2.8V)
3.1V
13 VPP DT11
36
(2.8V)
3.1V
14 NC DT3 35
(2.8V)
3.1V
15 RY/BY DT10 34
(2.8V)
0V
3.1V
16 AD18 DT2 33
(2.8V)
0V
3.1V
17 AD17 DT9 32
(2.8V)
0V
3.1V
18 AD7 DT1
31
(2.6V)
0V
3.1V
19 AD6 DT8 30
(2.8V)
0V
3.1V
20 AD5 DT0 29
R75
0V 3.4V 0
21 AD4 OE 28
0V
22 AD3 V 27
SS
R69
0
0V 3.4V
23 A2 CE 26
(2.4V) (0V)
3.3V 0.1V
24 AD1 AD0 25
IC16
IC10
C3EBJC000037
XC61CN1602MR
EEPROM
RESET
1
OUT V V 2
SS DD
2 1 3
3
3.4V 1.9V
4
SL-DZ1200(PP,EB,EG,EP,GN) MAIN CIRCUIT DIAGRAM
11
n
m
h
g
f
e
d
q
b
a
Z
Y
X
W
V
U
T
N
O
3.5V
Vcc
A0 8
A1 WP 7
0V
6 G
A2 SCL
3.4V
5
GND SDA H
I
12