Kenwood TKR-750 Service Manual page 98

Vhf fm repeater
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TX-RX unit X57-695 (A/2)
CN14
8C
8C
RSSI
RSSI
DTC144EUA
DET
DET
ASQ
ASQ
SOE
STB4
CK
DT
P,CP
LD2
EPT
CK
T,CK
DT
SOE
PSW
MO
MB
EMP
LDR
FWD
SB
SB
CN602
CN606
Final unit
X45-373 (A/2)
Drive AMP
Q2
CN1
2SC3356(R24)
2/TXD2
Control I/O
(D-SUB)
BLOCK DIAGRAM
44.850MHz
D2
DAN235K
SW
IF AMP
Q3
W/N
2SC3356(R24)
FM IC
IC9 : TK14489V
Q4
SW
QUD
W/N
CF1 (Wide)
DET
AMP
D4
D5
Q7
SW
DAN235K
MA742
2SC4617(S)
SRR,STT
CF2 (Narrow)
8RC,8TC
IC7
FAS
BU4094
Q5
BCFV
SW
DTA144EUA
W/N
Q6
SW
DAC
FCT
DTC144EUA
IC6
FCR
M62354GP
PC
2SC4116(GR)
8CLT
MO
8CT
MB
2SC4116(GR)
8CLR
BUP,TEMP,
LDR,LDT
FWD
NJM78L05UA
EPR,EPT
5CR
CP,DP,PSW
8CR
PC
FAS
8T
PC
8T
FAS
Drive AMP
Final AMP
Q4
Q5
RD55003S
RD70HVF1-01
Drive AMP
Vcont
Q3
2SC3357
DC
SW
AMP
IC1
Q8
TA75W01FU
2SC4116(Y)
REF
PC
AMP
XF2
MCF(W)
D1
DAN235K
A1
SW
IF AMP
Q2
W/N
XF1
2SC3357
2SC3357
MCF(N)
X1
44.395MHz
D3
SW
DAN235K
Q18
2SB1386(R)
455kHz
8T
SW
W/N
Q19
INV
DTC114EUA
8TC
Q13
5V
5CT
AVR
IC11
LIPPLE
NJM78L05UA
Q12
Q16
2SB1132(Q,R)
LIPPLE
8R
SW
IC3
Q17
INV
5V
DTC114EUA
AVR
8RC
Q15
2SC4116(GR)
9CLT
LIPPLE
Q14
2SC4116(GR)
9CLR
LIPPLE
TMP
BUP
PDT
CN16
CN15
CN3
+B
IC3
IC2
NJM78L05UA
TMP
5V
BUP
TMP
TEMP
AVR
PDT
CM COUPLER
D4
D5
TEMP
FWD
REV
DET
DET
HSM88AS x 2
VR1
TKR-750
RF AMP
Q1
L5,6,7
2SC357
L2,3
SRR
Q9
Q8
A3
2SC3120
RX VCO
CVR
VCOA
VCOB
LPF
Fin
EPR
PLL
IC300
CP
SA7025DK
DP
Q350,351:
2SK508NV(K52)
DC
FCR
TCXO
AMP
D350~353:
1SV282
X2
IC2
NJM4558E
16.8M
Buff
STT
A2
Q11
TX VCO
2SC3120
CVT
VCOA
9CLT
LPF
VCOB
MO
Fin
EPT
PLL
CP
IC300
DP
Q350,351:
SA7025DK
2SK508NV(K52)
D350~353:
FCT
DC
1SV282
TCXO
AMP
MB
IC1
X3
NJM4558E
16.8M
K1
8V
SW
AVR
IC4
NJM7808FA
PSW
IC10
TA7808F
8V
AVR
IC5
AN8009M
9V
AVR
CN5
X45-373 (B/2)
K1
CN6
Main DC
SW
CN7
BACKUP
BUP
Q9
DTD123EK
CN4
SW
FAB
FAS
TX ANT
CN18
RX ANT
9CLR
CN19
ATT
15A
15A
85

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