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U
TK-3148
TX-RX UNIT (X57-6413-01)
C149
L110
L111
L112
4T
470p
4T
4T
C151
C153
C156
2p
3p
4p
R603
12
470
R605
470
R607
470
7
R609
6
470
5
R611
4
470
R613
0
5R
C249
C251
2p
2p
(B)
TUNE
CLK
DATA
PF
L304
5MS
R:5.01V
T:4.99V(ON)
:5.00V(OFF)
ME
SSW
SB
L314
L315
L317
C375
47p
R388
470k
L316
5M
MSW
EMC
LEDR
LCDBLT
LEDG
PTT
64
X57-641 5/5
V
SCHEMATIC DIAGRAM / 原理图
ANT
CN13
LCD UNIT
CN302
14
GND
L320
13
VCC
12
CS
R604
11
SCLK
470
10
SID
R606
9
SOD
470
8
VEE
R608
7
SKEY
470
6
AKEY
R610
5
BKEY
470
4
CKEY
R612
3
LEDA
0
2
LEDK
1
NC
FRONT-END RF AMP
T:0V
R:4.87V
D205,206
BPF TUNING
C292
C289
C295
2p
1p
470p
R252
(B)
47
D302
D306
DA221
DA221
D302,306
SURGE ABSORPTION
R363
R369
R373
120k
56k
120k
-t
TH300
LCD AVR
C350
1.82V
Q304
2SC4617(S)
3.3u4
T:7.19V
Q309
R:7.48V(ON)
:7.49V(OFF)
BUSY LED SWITCH
LCD LED AVR
Q306
TX LED SWITCH
LR
LG
LBL
2SA1362(Y)
T:4.96V
Q306
Q309
R:0V
2SC4617(S)
2SC4617(S)
T:0V
R:4.94V(ON)
:0V(OFF)
R391
Q310
330
2SC4617(S)
R386
330
C369
100p
Q310
D309
D310
LCD LED
TX RED LED
RX GREEN LED
AVR SWITCH
Note : The components marked with a dot (
W
X
D207
Q207
T:0V
3SK318
T:0V
R:1.47V
BPF TUNING
R:4.82V
C261
R273
12p(G)
0
T:0V
R:0.89V
L313
L312
R385
L307
R383
L308
R378
D308
NNCD6.8G
MIC INPUT PROTECT
L309
L310
R380
100
L311
R381
100
R376
10k
150k
L305
L306
LAMP ON:5.12V
Q311
Y
C270
C267
3p
6p
(B)
C269
4p
(B)
T:5.05V
R:2.54V
CN305
SP
CN306
MIC
CN301
14
SSW
13
SP+
12
SP-
11
MSW
10
47
EMC
9
ME
8
100
PTT
7
100
PF
6
NC
5
E
4
5M
3
TXD
2
RXD
1
NC
CN303
PTT
SW1
S600
SW2
PTT
GND
CN304
S601
SW1
S602
SW2
●
) are parts of layer1.
1
2
3
4
5
6
7
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