Kenwood TM-V71A Service Manual page 78

K
TM-V71A/V71E
X57-731X-XX (B/6,E/6): VCO A
R703
1k
CN701
4 MOD
3 CV R704
2 V/U
0
1 SHIFT
R701
0
R702
0
X57-731X-XX (C/6,F/6): VCO B
R753
1k
CN751
4 MOD
3 CV R754
2 V/U 0
1 SHIFT
R751
0
R752
0
R:0.6V R:3.9V
T:0V T:0V
R548 C538
470k 5p
R546
Q547
2SC4649(N,P)
1.5k
TRIPLER
C685
0.1u
R554
WIDE
CF546
L72-1034-05
SW SW
D546 D547
DAN235E DAN235E
CF547
L72-0999-05
SW
NARROW R555
Q546
2SK1830F
Q548
2SK1830F
SW
78
X57-731 (A/6) 3/8, X57-731 (B,C,E,F/6) 1/1
L
SCHEMATIC DIAGRAM
Q703
SSM6L05FU-F
8C
UHF
SW
R714 47k
D705
L701 1.0u
1SV325F
VARICAP
VARICAP
C711
1000p
SW SW
Q701
DTC114YE
VHF
VARICAP
SW
D707
L702
Q702
DTC114YE 1.0u
1SV325F
VARICAP
Q753
SSM6L05FU-F
8C
UHF
SW
R764 47k
L751 1.0u D755
1SV325F
VARICAP VARICAP
C761
1000p
SW
SW
Q751
DTC114YE
VHF
VARICAP
SW
L752 D757
Q752
DTC114YE 1.0u 1SV325F
VARICAP
C573
FM IC
C551
C572
IC546
9p C568
TA31136FNG
1 16
C558
oSCIN MIXIN
R562 1k 2 15
oSCoUT GND
C683 0.1u 3 14
MIXoUT
N-REC
4 13 C569
VCC N-DET
C684 0.1u 5 12 C559
IFIN RSSI
C549 0.1u 6 11 C557
DEC IFoUT
1k 7 10
FILoUT QUAD
R559 8 9
FILIN AFoUT
120k
C556
1000p
C562
10u10
1k
Q549
2SK1830F
SW
DET_B
M
Q704
2SJ347F
SW
R721
680
C725
4p
OSCILLATOR
C736 C721
Q706
C713
0.5p 0.5p L708 2SK508NV(K52)
1000p 18n
VARICAP
R720
R717 C720 0
47k 0.5p
VARICAP
Q705
C717
2SK508NV(K52)
39p
OSCILLATOR
C718 C730
0.01u
0.5p
SW
Q754
2SJ347F
SW
R771
680
C775
4p
OSCILLATOR
C786 C771
Q756
C763 0.5p 0.5p 2SK508NV(K52)
L758
1000p 18n
R770
R767 C770 0
47k 0.5p
VARICAP
C767 Q755
2SK508NV(K52)
39p
OSCILLATOR
C780
C768
0.01u 0.5p
SW
SQ_B
SM_B
0.1u
0.1u
R570
R:3.6V
0.1u T:0V
100k
0.1u
Q551
Q550 2SC5636
SW
DTA114EUA
AMP
0.1u
0.1u
91p
R566
2.2k
CD546
L79-1582-05
N
TX-RX UNIT (X57-731X-XX) (A/6): TX-RX SECTION
CN702
8C 3
E 2
C733 OUT 1
22p
C729 R725
Q707
2SC5108(Y)F
0.5p 47
AMP
CN752
8C 3
E 2
C783 OUT 1
22p
C779 R775
Q757
2SC5108(Y)F
0.5p 47
AMP
B BAND IF
49.95MHz
R:0.93V
XF546
T:0V
L71-0641-05
C563 R481 R572 R573
0.1u 47 390 820
TH545 TH546
-t -t
NCP18XQ102J0S NCP18XQ102J0S
R:0.2V
T:0V
O
RIPPLER
7V
FILTER
8V
Q4
2SC4617(R)
D4
SW
7V
RIPPLER
FILTER
8V
Q69
2SC4617(R)
D69
SW
R482 C567
47 0.1u