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U
TK-3148
TX-RX UNIT (X57-6413-01) (A/3)
C149
L110
L111
L112
470p
4T
4T
4T
C151
C153
C156
2p
3p
4p
L320
R603
12
470
R604
R605
470
470
R606
R607
470
470
R608
7
R609
470
6
470
R610
5
R611
470
4
470
R612
R613
0
0
5R
C251
C249
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
Note : The components marked with a dot (
62
X57-641 5/5
V
SCHEMATIC DIAGRAM /
ANT
CN13
LCD UNIT
CN302
14
GND
13
VCC
12
CS
11
SCLK
10
SID
9
SOD
8
VEE
7
SKEY
6
AKEY
5
BKEY
4
CKEY
3
LEDA
2
LEDK
1
NC
FRONT-END RF AMP
T:0V
R:4.87V
Q207
3SK318
D205,206
BPF TUNING
T:0V
C295
C292
C289
R:0.89V
2p
1p
R252
470p
47
(B)
D302
D306
DA221
DA221
D302,306
SURGE ABSORPTION
R363
R369
R373
R376
120k
56k
120k
10k
-t
TH300
150k
LCD AVR
C350
L305
1.82V
Q304
2SC4617(S)
L306
3.3u4
T:7.19V
LAMP ON:5.12V
Q309
R:7.48V(ON)
:7.49V(OFF)
BUSY LED SWITCH
LCD LED AVR
Q306
Q311
TX LED SWITCH
LR
LG
LBL
2SA1362-F(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
W
原理图
D207
T:0V
T:0V
R:1.47V
BPF TUNING
R:4.82V
C261
C270
C267
R273
12p(G)
0
3p
6p(B)
T:5.05V
R:1.64V
L313
L312
R385
47
L307
R383
100
L308
R378
100
D308
NNCD6.8G-A
MIC INPUT PROTECT
L309
L310
R380
100
L311
R381
100
TX-RX UNIT
(X57-6413-01) (C/3)
CN303
PTT
SW1
SW2
GND
CN304
•
) are parts of layer 1.
X
Y
C269
4p(B)
CN305
SP
CN306
MIC
CN301
14
SSW
13
SP+
12
SP-
11
MSW
10
EMC
9
ME
8
PTT
7
PF
6
NC
5
E
4
5M
3
TXD
2
RXD
1
NC
S600
PTT
S601
SW1
S602
SW2
1
2
3
4
5
6
7
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