Kenwood TKR-850 Service Manual page 84

DISPLAY UNIT (X54-3330-21) (A/2)
PF1 PF2 PF3 PF4
S501 S502 S503 S504
DC SW DC SW DC SW
Q512 Q513 Q514
UPA672T UPA672T UPA672T
C512 0.01u
8
9
QS VSS
10 7
Q'S Q4
6
11
Q8 Q3
12 5
Q7 Q2
13 4
Q6 Q1
14 3
Q5 CLK
15 2
OE DATA
16
1
VDD STRB
SHIFT
IC503
REGISTER
BU4094BCFV
DISPLAY UNIT (X54-3330-21) (B/2)
CURRENT
PROTECTOR
D603
MINISMDC020
R604 1k
A
R605 1k
D601
DA204U
A
D601,602
J601
E08-0877-05 SURGE ABSORPTION
D506
CP501
LA-501DD
470*4
1
PF5 PF6
5
S506 7SEGMENT
S505
C519 0.01u
SHIFT
REGISTER
Q517
UPA672T
9
QS VSS
10
Q'S
DC SW
11
Q8
12
Q7
13
Q6
14
Q5 CLK
15
Q516
OE DATA
16
UPA672T
VDD STRB
DC SW
IC504
BU4094BCFV
D512
D513 D514
DA204U DA204U DA204U
D512,513,514
SURGE
ABSORPTION
C511 0.01u
8
9
QS VSS
10 7
Q'S Q4
11 6
Q8 Q3
R539 1k
12 5
Q7 Q2
13 4 R540 1k
Q6 Q1
3
14
Q5 CLK
15 2
OE DATA
16 1
VDD STRB
SHIFT
IC502
REGISTER
BU4094BCFV
Q525
2SK1824
D508 D509 D510 D511
DA204U DA204U DA204U DA204U
D508-511
SURGE ABSORPTION
CN601 CN501
VR601
1 11
VLI
10k
10
2 5M
3 GND 9
8
4 NC
5 SB 7
6 6
NC
5
7 GND
R502
8 4
PTT
3
9 MIG 0
10 MIC 2
11 1 R503
HK
0
D602
DA204U
A
A
10
6
Q518
UPA672T
DC SW
8
7
Q4
6
Q3
5
Q2
4
Q1
3
Q519
2
UPA672T
1
DC SW
CLK CLK
SOE SOE
BUSYC BUSYC
POWLEDC POWLEDC
DAT DAT
PTT PTT
HK HK
5M 5M
VLI VLI
SB SB
MIC MIC
C501
10u10
MIG MIG
D507
CP502 CP503 CP504
LA-501DD
470*4 470*4 470*4
1
10
5 6
7SEGMENT
C520 0.01u
SHIFT
Q521
REGISTER
UPA672T
DC SW
9 8
QS VSS
10 7
Q'S Q4
11 6
Q8 Q3
12 5
Q7 Q2
13 4
Q6 Q1
14 3
Q5 CLK
15 2
OE DATA
16 1
VDD STRB
IC505
BU4094BCFV
DC SW
DC SW
DC SW
Q503 Q504
UPA672T UPA672T
DC SW
B30-2151-05
R516
Q508
1.2k
DTA114EUA
1/2W
DC SW
R517
Q506
820
DTA114EUA B30-2151-05
1/2W
R518
1.2k
1/2W
Q509
DTA114EUA
DC SW
DC SW
Q510 R519
DTA114EUA 1.2k
1/2W
R520
820
1/2W B30-2151-05
Q511
Q507
DTA114EUA
UPA672T
DC SW
DC SW
Q501
D501
2SC4116(Y)
HSM88AS
R508
C504 C508
1k
0.1u 0.1u
LEVEL
CONTROLLER
1
AF DETECTOR
AOUT
2
Q502
D502 A-IN BOUT
2SA1586(Y,GR) 3
HSM88AS
R507 A+IN
4
C505
-V
6.8k
0.1u
R506 IC501
LEVEL
NJM4558E
10k CONTROLLER
AF DETECTOR
MIC AMP
DC SW
DC SW
VOLTAGE REGULATOR
IC506
TA78L05F
1 3
OUT IN
COM
2
VOLTAGE REGULATOR
IC507
TA78L05F
1 3
OUT IN
COM
2
D503
TX
LED
S507
D504
CALL
BUSY
LED
CN502
13.10V
MAIN DC 20
SB
19 SB
18
NC
BACKUP
17
GND
16 PSW
15
DAT
14 CLK
D505
13
STB1
12 PTT/TXD
LED
11
SOE
10
HK/RXD
R529 1k 9 K1
KEY1
R530 1k 8
K3
KEY3
R531 1k 7 K2
KEY2
R532 1k 6
K5
KEY5
5
R533 1k K4
KEY4
4 5C
3
VLI
2 MIC
1
MIG
8
+V
7
6
B-IN
5
B+IN