136
NXR-810
SCHEMATIC DIAGRAM /
原理图
X54-373 1/2
7
6
5
4
3
2
1
A
B
C
D
E
A
A
A
A
1
2
3
4
5
6
7
8
9
QS
10
Q’S
11
Q8
12
Q7
13
Q6
14
Q5
15
OE
16
VDD
1
2
3
4
5
6
7
8
9
QS
10
Q’S
11
Q8
12
Q7
13
Q6
14
Q5
15
OE
16
VDD
100p
100p
1
2
3
4
5
6
7
8
9
QS
10
Q’S
11
Q8
12
Q7
13
Q6
14
Q5
15
OE
16
VDD
R503
0
R526 820
1/2W
C519
0.01u
C511
0.01u
C512
0.01u
1
2
3
4
5
6
7
8
9
10
11
1
2
3
4
5
6
7
8
9
10
11
1
10
5
6
R502
0
R534
1k
R535
1k
R536
1k
R537
1k
D508
DA204U
R538
1k
D509
DA204U
R539
1k
R540
1k
D510
DA204U
D511
DA204U
D512
DA204U
D513
DA204U
D514
DA204U
R606
47k
KEY5
KEY1
KEY3
KEY2
KEY2
KEY3
KEY1
KEY4
S501
S506
S505
S504
S502
S503
2SK1824-A
Q525
8
NC
7
HOOK/RXD
6
MIC
5
MIC GND
4
PTT/TXD
3
GND
2
SB
1
NC
DISPLAY UNIT (X54-3730-20) (A/2)
7SEGMENT
SHIFT
REGISTER
SHIFT
REGISTER
SURGE
ABSORPTION
D512,513,514
SHIFT
REGISTER
SOE
CLK
BUSYC
POWLEDC
MIG
MIC
DISPLAY UNIT (X54-3730-20) (B/2)
C603
C606
SURGE ABSORPTION
D601,602
J601
E58-0522-05
HK
MIC
MIG
PTT
GND
NC
SB
NC
GND
5M
VLI
R524 820
1/2W
R525 820
1/2W
R522
820
1/2W
R521 820
1/2W
R523 820
1/2W
C517
100p
C518
100p
C513
100p
C514
100p
C515
100p
C516
100p
Q514
UPA672T-A
DC SW
STRB
DATA
CLK
Q1
Q2
Q3
Q4
VSS
CP501
470*4
Q516
UPA672T-A
DC SW
D506
LA-501DD
VR601
10k
UPA672T-A
UPA672T-A
Q512
Q513
DC SW
DC SW
PF6
PF5
PF4
PF3
PF2
PF1
STRB
DATA
CLK
Q1
Q2
Q3
Q4
VSS
IC502
BU4094BCFV
D508-511
SURGE ABSORPTION
VLI
5M
HK
PTT
SB
DAT
C501
10u10
STRB
DATA
CLK
Q1
Q2
Q3
Q4
VSS
IC504
BU4094BCFV
Q517
UPA672T-A
DC SW
CN601
CN501
IC503
BU4094BCFV
C607
0.1u
R605
R604
1k
1k
C602
1000p
R601
680
C601
100p
D603
MINISMDC020F
CURRENT
PROTECTOR
D601
DA204U
D602
DA204U