J
K
L
M
N
O
P
Q
R
S
I
H
G
F
E
D
C
B
A
1
2
3
4
5
6
7
8
9
10
11
12
13
14
1
2
3
4
5
6
7
8
9
10
11
12
13
14
R601
R604
R605
11
1
HK
MIC
MIG
PTT
GND
NC
SB
NC
GND
5M
VLI
R606
CN601
C601
C602
C603
C606
C607
Q501
Q502
Q503
Q504
Q506
Q507
Q508
Q509
D601
D602
NC
MIC
PTT
SB
NC
GND
MIG
HK
D603
Q510
Q511
Q513
Q516
Q517
Q518
Q519
Q521
Q522
Q523
Q524
Q525
R502
R503
R505
R506
R507
R508
R509
R510
R511
R512
R513
R514
R516
R517
R518
R519
CN501
CN502
R520
R521
R522
R523
R524
R525
R526
R529
R530
R531
R532
R533
R534
R535
R536
R537
R538
R539
C501
C502
C503
R540
C504
R541
C505
R542
C506
R543
C507
R544
C508
C509
C510
C511
C512
C513
C514
C515
12
20
SB
NC
PSW
CLK
PTT/TXD
HK/RXD
K3
K5
5C
MIC
SB
GND
DAT
STB1
SOE
K1
K2
K4
VLI
MIG
19
C516
C517
C518
C519
C520
C521
C522
C523
C524
C525
VR501
C526
D501
D502
D508
D509
D510
D511
D512
D513
D514
IC501
IC502
1
8
9
16
1
8
9
16
IC503
IC506
O
G
I
IC507
O
G
I
CP501
CP502
CP503
CP504
RED
GRN
BACKUP
MAIN DC
1
3 4
6
1
1
3
3
4
4
6
6
+
D
S
G
1
1
3
3
4
4
6
1
34
6
1
34
6
6
1
3
4
6
1
3
4
6
1
3
4
6
1
34
6
RED
GRN
BUSY
+
+
+
+
+
RED
GRN
TX
1
4
5
8
1
3 4
6
VLI
5M
GND
NC
SB
NC
GND
PTT
MIG
MIC
HK
11
1
J72-0756-12 B/2
J72-0756-12 A/2
TKR-850
PC BOARD
PC BOARD
TKR-850
Component side
Foil side
Layer 1
Layer 2
DISPLAY UNIT (X54-3330-21) Foil side view (J72-0756-12)
DISPLAY UNIT (X54-3330-21) Foil side view (J72-0756-12)
Ref. No. Address
IC501
9J
IC502
7D
IC503
9P
IC506
8I
IC507
8F
Q501
9I
Q502
9H
Q503
7F
Q504
7G
Q506
7G
Ref. No. Address
Q507
7B
Q508
8J
Q509
7F
Q510
6B
Q511
6C
Q513
9N
Q516
5J
Q517
5I
Q518
4I
Q519
4J
Ref. No. Address
Q521
5H
Q522
5I
Q523
4H
Q524
4I
Q525
6F
D501
9I
D502
9I
D508
7E
D509
8E
D510
6D
Ref. No. Address
D511
6D
D512
7E
D513
6C
D514
6D
D601
5R
D602
4R
D603
4R