A
B
DVR-S120/NX-P120
DVR-S120 SCHEMATIC DIAGRAM (MAIN 3/3)
1
Q Q
3 7 6 3 1 5 1 5 0
2
-13.7
-21.2
3
-11.8
-10.7
4
T E
L
1 3 9 4 2 2 9 6 5 1 3
5
6
7
w w w
8
78
C
D
E
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4.9
-8.3
4.9
-7.1
-8.3
4.9
-7.1
-10.3
4.9
-8.1
-10.7
-7.1
-7.1
-13.6
FL DRIVER
-8.2
-21.0
-15.4
-19.1
-11.7
-8.2
-21.0
-19.0
-21.0
-9.9
-8.1
x
a o
.
i
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Page 75
J1
to DIGITAL
4.9
-19.0
-19.1
4.9
-19.1
-19.1
-19.0
-19.0
-19.0
Q
Q
3
7
-19.0
-19.0
-19.0
-19.1
-17.2
-11.8
-6.5
u 1 6 3
y
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I
2
4
8
9
9
Page 79
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6
3
1
5
1
5
0
8
9
m
c o
.
J
K
L
2
8
9
9
IC221 : LC75712E
FL Display Driver
CG
1
AM1
C
DI
64
A
ROM
2
AM2
O
L
N
N
DC
A
O
T
SHIFT REGISTER
T
CL
63
D
L
R
C
E
RAM
O
H
A
T
L
CG
D
CE
62
C
RAM
R
H
I
V
E
35
AM35
R
36
AA1
ADDRESS
ADDRESS
AD
VDD
60
37
AA2
REGISTER
COUNTER
RAM
AA3
38
VSS
57
39
AA4/G16
BLINKCYCLE
BLINK
40
AA5/G15
REGISTER
GENERATOR
AA6/G14
41
VFL
55
42
AA7/G13
DISPLAY
DISPLAY
43
AA8/G12
REGISTER
CONTROL
RES
61
44
G11
G10
45
DUTYCYCLE
DUTY
G
REGISTER
GENERATOR
D
E
R
I
TEST
56
C
GRID
GRID
O
D
REGISTER
CONTROL
D
E
D
R
R
I
INSTRUCTION
CONTROL
V
DECODER
E
R
53
G2
OSCI
59
TIMING
OSC
DIVIDER
G1
GENERATOR
54
OSCO
58
2
4
9
8
2
9
9
* 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.