Display Unit (X54-3330-20) - Kenwood TKR-750 Service Manual

A B
TKR-750
PC BOARD VIEWS
1
DISPLAY UNIT (X54-3330-20) Component side view
J72-0756-02 B/2
CN601
2
C603 C606
C602
D602
D601
R601
3
NC
HOOK
MIC
MIG J601
PTT
GND
SB
NC
4
C513
S501
5
Q512
1 6
3 4
DTA144EUA 2SC4116 2SB1132
DTC363EK 2SC4215 2SC3357
DTD114EK 2SC4617
DTD123EK
6
2SA1586
2SC3120
2SC3356
2SK508NV
MA742
7
55
C D
VR601
CN502
R522
S503
S502 R529
R533
6 1
4 3
Q513
DTA114EUA LA4422
DTC114EUA
DTC144EUA
2SJ506
UPA672T 2SK1824
E F
D506 D507
CP502 CP504
CP501 CP503
1 16 1 16
IC504 IC505
8 9 8 9
RED
GRN
D503
GRN
TX
+
C516
R525
C517
S504
C508
D502
S505
R511
R512
C505
+
C503
R513 8 1
+
R507
IC501
5 4
VR501
D501
Q501
C507
NJM2904E DAN235K TA78L05F
NJM4558E
V
REF
GND
V
IN
TC7S00F
BU4094BCF AN8009M
TC7S04FU
TC7S66FU
G H
R517 R606
Q506
3 4
1 6
Q504
R538
D504
RED
BUSY
D508
11
VLI
D509
5M
GND
C526
NC
SB
C518
NC
S506
GND
R526
PTT
MIG
Q514
MIC
6
1
HK
3 4
1
DA204U
HSM88AS
1SS226
TK11050M
I J
J72-0756-02 A/2
S507
MAIN DC BACKUP
GRN RED
D505
R543
6 1
4 3
Q507
Component side
Foil side