Service Manuals, User Guides, Schematic Diagrams or docs for : Kenwood UHF FM Transceiver UHF FM Transceiver Kenwood TK-3148 B51-8656-00-SDP
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A B C D E
TK-3148 SCHEMATIC DIAGRAM /
1
TX-RX UNIT (X57-6413-01)
4.88V
R403 RESET
BATT 7.50V 330k
F400 5M AVR
L400 +B
IC401
XC6204B502MR
2
1
C400
7.50V 7.50V 7.20V 5.04V
1SR154-400
470p
5M
SURGE
D402
VOUT
D405 1 5
VIN
ABSORPTION VIN VOUT
RB521S-30 2
C425
C426
100p
VSS
1000p
0.1u
C410
C419
C413
C415
R740
10u6.3
100p
5M PROTECT
4.7u
47k
3 4
CN400
VSS
CE NC
NC
14 +B +B
13 +B
3
4
IC400
12 SB
2
1
SB XC61CN4202NR
VIN
VOUT
11 SB CP400 DETECTOR
47K*2 DETECTOR
10 EN4 5MS IC404
XC61CN5002NR
9 EN3
2 5C AVR
VSS
NC
8 GND CP401 IC403
47k*2 XC6204B502MR 5C 5.05V
7 EN2
3
4
5
1
6 EN1 VIN VOUT
IC402 2
5 VOL R400
C421
XC62GR5012PR VSS
C424
C423
5.04V
1u
100p
10u
3 4
4 5M 10k 5.0V 1 5 CE NC
NC VOUT
3 GND 2
5MS SWITCH
1000p
1000p
1000p
1000p
VIN Q406
10u6.3
C416
C420
R413
100p
1.0M
2 AUXKEY 3 4 2SJ347
C411
CE VSS
1u
BATT 1 S_DET
Q400
C402
C403
C404
C405
DET
R406
2SJ347 SAVE SWITCH
10k
AUX
KEY 5CNS AVR
R404
R411
R414
470
10k
5C
1.0M
SAVE
MA2S111
INT
C740
5MS
D403
0.1u
5TC
PROTECT T:3.44V Q401 5T
R410
5MS SWITCH
SWITCH R:3.66V
1k
2SK1830
R401
+B +B
5R
470k(D)
SB
1000p
C408
R402
470k
5MS 5MS
(D)
BATT2
BATT1
5M 5M
AUX
VOL
EN1
EN2
EN3
EN4
220k
R407
3
EVSS
5CNS
RESET
T:0V Q404 5CNS
R:4.88V 2SJ347
T:0.23V
R409
Q403,404 R:4.84V
47k
5T SWITCH
5R SWITCH R408
Q405
R405
KTA2015(Y)
0
T:5.02V C741 4.7k
6.8u
6.3
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