Kenwood 144MHz FM TRANSCEIVER K2E Service Manual page 60

Q5
Q2 D8, D9
HSC277
2SC5488 2SC5488
RF AMP RF AMP TX/RX SW
5R
5C
Q4,D7
LIPPLE
FILTER
CF1 450kHz
5C
5R
IC3
TA31136FN
38.4MHz
FM IC
5R
SQ,SM
Q22 CD1
RN2105
WIDE/NARR
SW
IC17
NJM2902V
CT/DCS/WXA
FILTER
Q59
2SK1824
5R
WXA SW
(Ktype only)
Q41
RN2105
VR1
ENC
5MS 5MS SW
Q57
IC1
RN2105
TCXO
Q4,5,6
5C SW
5C
D40,41
IC5
Q53
Q30
5MV RN2701
IC3,17
5R SW
D9,14
5MV SW
Q16,17
5R
Q22,23,24
Q59
Q55
Q9,10,13 CPH3317
D8,10
TH1
5T SW
5T
IC16
Q47
BLOCK DIAGRAM
Q10
Q9
2SC4926YD
2SC5488
PRE-DRIVE
RF AMP
AMP
Q15
TH1
2SC4617(R)
B57331V
2103J
SW
TEMP DET
Q13
2SK1830
5T
SW
XF1
MCF
Q24
2SC5488
IF AMP
38.85MHz
5R
5R
Q21 Q20
LPF
2SC4617
2SK1830
(R)
DE-EMPH
AF MUTE SW
AF FILTER
5R
AFM
D35
RB521S-30
PROTECT
IC9
TK11250
5M
CM
AVR
5.0V
IC12
TK11250
IC6
CUCB
D48,49
D42,43,46
AVR
D47,44
5.0V
AF AMP
D36
RB521S-30
PROTECT
TH-K2AT/K2E/K2ET
B
Q11 Q12
2SK3476
2SK2596
DRIVE AMP FINAL AMP
Q14
RN4902
Q58
2SK1830
APC SW
APC KILL SW
BIAS SW
IC2
NJM2904V
D14
APC AMP MA2S111
APC V BPF/APC
Q16
3SK318
Q17
D18,D19
2SK1215
1SV305
BPF RF AMP
5R
BPF/APC
VR
IC6
TA7368F
AF AMP
DTMF/BEEP
AF AVR
SPM
Q36
2SJ347
THERM DET
BTDET
Q35
Q33
2SK1830
2SB1184
(Q,R)
DC-IN DET
BATT
CHARGE
Q37, Q38
Q34
2SB1184(Q,R)
2SK1830
2SC4617(R)
B
AF/LAMP
CHARGE SW
AVR
IC4
XC6202PB
52FR
AVR
11.5V
LPF
D10
ANT
XB15A709
ANT SW
5T
D12,D13
HVC131
ANT SW
FINAL
D17
HSM88AS
ANT SW
D20,D21
1SV305
BPF
BPF/APC
Q56
CPH3417
D26
1SS388
SP MUTE SW
REM
/TXD
Q31
2SK1830
D25
MA2S111
MUTE SW
-
T
+
D33
D30
RB051L-40
RB521S-30
PROTECT
PROTECT
B
D32
RB051L-40
CHARGE
PROTECT
D80
RB521S-30
B
PROTECT
J4
CN2
BATT TERMINAL
7.5V Norminal
(6.0 - 9.0V)
DC IN
13.8V Norminal
(12.0 - 16.0V)
J2
57