Kenwood NXR-710 Service Manual page 113

DISPLAY UNIT (X54-3580-20) (A/2)
PF1 PF2 PF3 PF4
S501 S502 S503 S504
DC SW DC SW DC SW
Q512 Q513 Q514
UPA672T-A UPA672T-A
UPA672T-A
C512 0.01u
9 8
QS VSS
10 7
Q'S Q4
11 6
Q8 Q3
12 5
Q7 Q2
4
13
Q6 Q1
14 3
Q5 CLK
15 2
OE DATA
16 1
VDD STRB
SHIFT
IC503
REGISTER
BU4094BCFV
DISPLAY UNIT (X54-3580-20) (B/2)
CURRENT
PROTECTOR
D603
MINISMDC020F
R604 1k
A
R605 1k
D601
DA204U
A
D601,602
J601
SURGE ABSORPTION
E58-0522-05
CP501
LA-501DD
470*4
1
PF5 PF6
5
S506
S505
7SEGMENT
DC SW
C519
Q517
UPA672T-A
SHIFT
REGISTER
9
QS
10
Q'S
11
Q8
12
Q7
13
Q6
14
Q5
15
Q516 OE
16
UPA672T-A
VDD
DC SW
IC504
BU4094BCFV
D512
D513
DA204U DA204U
D512,513,514
SURGE
ABSORPTION
C511 0.01u
9 8
QS VSS
10 7
Q'S Q4
11 6
Q8 Q3
1k
12 5 R539
Q7 Q2
R540 1k
13 4
Q6 Q1
14 3
Q5 CLK
2
15
OE DATA
16 1
VDD STRB
SHIFT
IC502
REGISTER
BU4094BCFV
Q525
2SK1824-A
D508 D509 D510 D511
DA204U DA204U DA204U DA204U
D508-511
SURGE ABSORPTION
CN601 CN501
VR601
VLI
1 11
10k
5M
2 10
GND
3 9
NC 8
4
SB
5 7
6 NC 6
GND
7 5
R502
PTT
8 4
MIG
9 3 0
MIC
10 2
R503
HK 1
11
0
D602
DA204U
A
A
D506
10
6
0.01u
UPA672T-A
DC SW
8
VSS
7
Q4
6
Q3
5
Q2
4
Q1
3
CLK UPA672T-A
2
DATA
1
STRB
CLK CLK
SOE SOE
D514
DA204U
BUSYC BUSYC
POWLEDC POWLEDC
DAT DAT
PTT PTT
HK HK
5M 5M
VLI VLI
SB SB
MIC MIC
C501
10u10
MIG MIG
D507
CP502
LA-501DD
470*4 CP503
1
10
470*4
5 6
7SEGMENT
C520 0.01u
Q518
DC SW
SHIFT
Q521
REGISTER
UPA672T-A
9 8
QS VSS
10 7
Q'S Q4
11 6
Q8 Q3
12 5
Q7 Q2
13 4
Q6 Q1
Q519
DC SW
14 3
Q5 CLK
Q522
15 2
OE DATA
DC SW UPA672T-A
16 1
VDD STRB
IC505
BU4094BCFV
DC SW
DC SW
Q504
Q503
UPA672T-A UPA672T-A
DC SW
R516
Q508
1k
RT1P141M-T111
1/2W
DC SW
R517
Q506
820
RT1P141M-T111
1/2W
R518
1k
1/2W
Q509
RT1P141M-T111
DC SW
DC SW
Q510 R519
1k
RT1P141M-T111
1/2W
R520
820
1/2W
Q507 Q511
UPA672T-A RT1P141M-T111
DC SW DC SW
Q501
D501
2SC4116(Y)F
HSM88AS-E
R508
C504
1k
0.1u
LEVEL
CONTROLLER
1
AF DETECTOR
2
Q502
D502
2SA1586(Y,GR)F
3
HSM88AS-E
R507
4
C505
6.8k
0.1u
R506
LEVEL
NJM4558E-ZB
CONTROLLER
10k
AF DETECTOR
CP504
470*4
DC SW
DC SW
VOLTAGE REGULATOR
IC506
TA78L05FF
1 3
oUT IN
CoM
2
VOLTAGE REGULATOR
IC507
TA78L05FF
1
3
oUT IN
CoM
2
D503
B30-2151-05
TX
LED
S507
D504
B30-2151-05
CALL
LED
BUSY
CN502
13.10V
MAIN DC SB
20
19 SB
18 NC
BACKUP
17 GND
16 PSW
DAT
15
14 CLK
D505
13 STB1
B30-2151-05
12 PTT/TXD
LED
11 SOE
10 HK/RXD
R529 1k 9 K1
KEY1
R530 1k K3
8
KEY3
R531 1k 7 K2
KEY2
R532 1k 6 K5
KEY5
R533 1k
5 K4
KEY4
4 5C
3 VLI
2 MIC
MIG
1
C508
0.1u
8
AoUT V+
7
BoUT
A-IN
6
A+IN B-IN
5
V- B+IN
IC501
MIC AMP