Schematic Diagram - Kenwood TK-3107 Service Manual

F
TX-RX UNIT(X57-6030-10)
L9 D4 C35
3.3u
MA2S376
D2,4
FREQ.
CONTROL
L10
MOD
D1,3
FREQ.
CONTROL
D3
L8 MA2S376 C34
100n
18p
5R
5C
2nd Local
RX
5R
5T
R312
B
12k
C309
0.01u(J)
C312 C316
0.01u(J) 0.01u(J)
R340
120k(D)
R:2.1V
Q300
2SC4617(S)
0.033u(J)
R:1.5V
ACTIVE
FILTER
TP3
AUDIO
MUTE SW
Q302
R:3.9V
2SK1824-A
WNRC
TIBI
5MS
TI
BUSY
APC
TXD
PTT
VR500
220k
TO
B
WNTC
TO VOLUME
MUTE
AFCO
RX
SB
TO AF AMP
G

SCHEMATIC DIAGRAM

L14
23n
7p
D5
TX MODULATION
R22
47k
L15
100n
T:0V
R:4.0V
C39
8p
L13
23n
VCO RX
Q3
T:0V
2SK508NV(K52)
R:1.0V
C305 R303
0.01u(J) 3.3k
AUDIO AMP
R317
ACTIVE FILTER
270k(D)
IC300
NJM2902V-ZB
1 14
2 13
3 12
4 11
VDD VSS
5 10
6 9
7 8
R:1.8V
R321
22k
C321 C320
0.033u(J)
RT1P441U-T111
R326
5.6k(D)
R508
5.6k
TH501
C507
3k 2.2u4
C505 R506
1u 22k
R503
68k
H
VCO TX
Q4
2SC4228(R44)
T:1.4V
RF BUFFER AMP
R:0V
Q6
2SC5108(Y)F
C49
0.5p(B)
DC SW
Q5
2SJ243-A
R26
100
DC SW
Q7
UMC4N
R28
22
C47
1p(B)
RIPPLE FILTER
2SC4617(S)
CURRENT
STEERING
C301
0.018u
R304
1M
R302
5.6k
C303
0.1u
QT/DQT
R307
47k
Q303
DC SW
W:5.0V
N:0V
5MS
BUSY
B
APC
TXD
PTT
ACTIVE
ACTIVE T:3.1V
FILTER
FILTER
R514 Q502
Q501
2SC4617(S)
2SC4617(S)
33k
T:2.9V T:2.9V
C509 C511
R510 R515
3.3k 3300p 33k 0.047u
I
TK-3107
RF AMP
T:3.8V
Q100
R:3.8V
2SC5108(Y)F
C53 C100
6p 22p
T:1.1V
R:1.3V
L19
R33
1k
Q8
T:4.2V
R:4.2V
T:0.1V
R:4.3V
R320
47k
ACTIVE
FILTER
IC301
NJM2904V-ZB
1 8
V+
2 7
R311 3 6 R318
0 4 5 180k
GND
C338
56p
R323
100k
D300
DA221
R:1.8V
LIMITER
TIBI
T:3.1V
R519
T:0.5V
33k
C514
R520
33k 0.047u
C512
3300p
DC SW
W:0V
Q500
N:5V
2SK1824-A
WNTC
X57-603 2/4
J
C105
6p
2nd Local
5R
5T
R:1.8V
AF
5MS
TI
BUSY
B
APC
TXD
PTT
R523
6.8k
MUTE
AFCO
RX
SB
TO AF AMP
13