A
B
C
D
E
G
H
1
2
3
4
5
6
I
J
K
L
7
8
DVR-S150/NX-P150
78
■
DVR-S150 SCHEMATIC DIAGRAM (MAIN 3/3)
FL DRIVER
-11.8
-21.2
-13.7
-10.7
-10.3
-8.3
-8.3
-8.1
-10.7
-7.1
-7.1
-8.2
-8.2
-9.9
-8.1
-6.5
-11.8
-19.0
-19.1
-19.1
-19.0
4.9
4.9
-19.1
-19.0
-19.0
-19.0
-19.0
-19.0
-19.1
-17.2
-13.6
-21.0
-21.0
-21.0
-15.4
-19.1
-19.0
-17.3
-13.5
-13.3
-11.8
-8.2
-8.3
-9.9
-13.6
-8.2
-21.0
-15.4
-19.1
-11.7
-8.2
-21.0
-17.0
-21.0
-9.9
-8.1
-17.3
-13.5
-17.2
-9.9
-10.0
-19.1
-17.2
-19.1
-11.9
-10.0
-19.1
-15.4
-17.2
-11.8
-15.5
-10.0
-6.5
-11.8
-17.2
-19.1
-19.0
-19.0
-19.0
-19.0
-19.0
-19.0
-19.0
-19.0
-19.0
-19.0
-19.0
-19.0
-13.3
-19.0
-17.2
-9.9
-10.0
-19.1
-17.2
-19.1
-11.9
-10.1
-19.1
-17.2
-11.8
-15.4
-15.5
-10.0
-19.0
-19.0
-19.0
-19.0
-19.0
-19.0
0
0
0
0
4.8
4.8
4.8
2.4
2.4
-21.2
-11.7
-7.1
-7.1
4.9
4.9
4.9
4.9
(1)
IC221 : LC75712E
FL Display Driver
DI
SHIFT REGISTER
CG
ROM
DC
RAM
C
O
N
T
R
O
L
L
A
T
C
H
64
CL
63
CE
L
A
T
C
H
A
N
O
D
E
D
R
I
V
E
R
62
TEST
56
VFL
55
VDD
60
VSS
57
RES
61
OSCI
59
OSCO
58
CG
RAM
AD
RAM
ADDRESS
COUNTER
ADDRESS
REGISTER
GRID
CONTROL
GRID
REGISTER
AM1
AM2
AM35
D
E
C
O
D
E
R
G
R
I
D
D
R
I
V
E
R
G1
G2
G10
G11
AA1
AA2
AA3
AA4/G16
AA5/G15
AA6/G14
AA7/G13
AA8/G12
BLINK
GENERATOR
DUTY
GENERATOR
BLINKCYCLE
REGISTER
DISPLAY
CONTROL
DISPLAY
REGISTER
DUTYCYCLE
REGISTER
CONTROL
INSTRUCTION
DECODER
DIVIDER
TIMING
GENERATOR
OSC
1
2
35
36
37
38
39
40
41
42
43
44
45
53
54
* All voltages are measured with a 10M
Ω
/V DC electronic volt meter.
* Components having special characteristics are marked
Z
and
must be replaced with parts having specifications equal to
those originally installed.
* Schematic diagram is subject to change without notice.
* 電圧は、内部抵抗10MΩの電圧計で測定したものです。
*
Z
印のある部品は、安全性確保部品を示しています。部品の交換が必要な場合、
パーツリストに記載されている部品を使用してください。
* 本回路図は、標準回路図です。改良のため予告なく変更することがございます。
IC275 : PQ1CG21H2F
IC276 : PQ1CG2032FZH
Voltage Regulator
V IN
COM
ON/OFF
O ADJ
V OUT
OVER CURRENT
PROTECTION
CIRCUIT
OVER HEAT
PROTECTION
CIRCUIT
SOFT
START
PWM
COMP.
VOLTAGE
REGULATOR
ON/OFF
CIRCUIT
ERROR
AMP.
S
R
F/F
OSCILLATOR
VREF
1
3
4
5
2
Q
IC311 : NJM2904M
IC701 :
µ
PC4570G2
Dual OP-Amp
–
+
OUT
1
–IN
1
–V
CC
+V
CC
OUT
2
1
2
3
4
5
+IN
1
–IN
2
+IN
2
–
+
6
7
8
IC312 : TC74HCT00AF
Quad 2 Input NAND
A1
B1
A2
V
DD
B4
1
2
3
4
11
Y1
A4
Y4
12
13
14
B2
Y2
B3
A3
5
6
7
V
SS
Y3
8
9
10
w w w
.
x i a o y
u 1 6 3 .
c o m
Q Q
3 7 6 3 1 5 1 5 0
9
9
2
8
9
4
2
9
8
T E L
1 3 9 4 2 2 9 6 5 1 3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299