Kenwood NX-700 Service Manual page 82

K
NX-700/700H
L3
R42
10u
0
L4
R43
10u
0
R352
0
CV
R25 R30 R36 R37
0 0 390 10k
R : 3.01V
T : 3.00V
2
R346 R202
22k 47
R213
1k
W : 2.89V
N : 0.29V
W : 0.99V
C330
N : 1.09V
0.1u
D201
DAN235E
SW CF SW
(W/N) (W/N)
C332
2
Q201
DTA114EE 0.1u
SW
(W/N)
W : 0V
Q202 N : 3.29V
DTC144EE
W : 3.27V
N : 0.02V
2
1
82
X57-738 (A/2) 3/16
L
SCHEMATIC DIAGRAM
D7,11,13,14
FREQUENCY
CONTROL
D11
C50 R90
470p 0
1SV282-F
L40
D8,12,15,16
FREQUENCY
CONTROL
D12
C51 R91 C64
470p 0 56p
1SV282-F
L41
C54
1u
VCO MOD
C55
0.1u
IC5
TC75W51FK(F)
1.65V
R28 1 8
VDD
7
47k
1.65V
2
R35
3 6
4 5
1k
VSS
VCO MODULATION/
BUFFER AMP (CV)
4.86V
C215
L202
100p
560n
L204
R205 R332 C210
330k 0 10p 47n
C208
0.01u
0.66V
Q203
2SC5636
2nd LOCAL
BUFFER AMP (X3)
4.97V
WIDE
CF201
W : 0.99V
L72-1017-05
N : 1.09V
R313 C331
IN oUT
CF SW
0 0.1u
(W/N)
D202
DAN235E
Narrow
CF202
L72-1021-05
R314 IN oUT C333
1.5k 0.1u
M
VCO
RX VCO
Q9
2SK508NV(K52)
C67
33p
R : 0V
T : 3.56V
VCO
TX VCO
Q10
2SK508NV(K52)
TX
MODULATION
R49
12k Q11
SSM6L05FU-F
R62
470k
R92 R93
0
4.98V
Q7
4.21V
2SC5383-T111
RIPPLE
FILTER
4.87V
2
C217 C222 C223
47p 0.01u 0.01u
1
C212
OSC<B>
2
0.1u
OSC<E>
3
MIXo
R210 10
4
VCC
C224 R338 10k
5
AMIFi
0.1u
C218 0.1u
6
AMIFdecp
R216 C227 0.1u
7
FMIFi
0
C219 4.7u 8
FMIFdecp1
C220 4.7u
9
FMIFdecp2
C226 82p
10
CD201 LIMo
11
QUADi
R218
12
L79-1850-05 FMDETo
10k
R215
2.7k
Q212
EMD9
2
1
N
TX-RX UNIT (X57-738X-XX) (A/2)
R : 3.46V
T : 0V
R67
0.74V
150
R70
150k
C88
0.5p
Q13
2SC5636
BUFFER AMP
(VCO)
R66
120
C87
0.5p
Q12
2SJ347F
T/R SW
(VCO)
0
R : 0.02V
T : 3.31V
4.35V
IF IC
IC202
TK10931VTL-G
R315 C234
24
RFin
0 0.01u
23
GND
22 C232 0.1u
COMPo
R228 100k
21
COMPi
4.92V
R223
20
NAMPo
270k
C351 R334
19
NAMPi
1u 0
18
AGC
17
AGCAMPo
16
RFAGCo
15
RSSIo
14
AMSW
R226
13
AMDETo
22k
O
C91
TX
22p
3.83V
R240
100k
0.74V
RX
Q204
2SC3356(R23)
1st
IF AMP
R229
22k
R232
10k
2
1