Schematic Diagram - Kenwood TK-3212 Service Manual

F
TX-RX UNIT (X57-7130-XX)
5C
C40
3p
2.74V
L8 C43 L9
18n 18n
10p
Q2
2SC5108(Y)
PLL IC F_IN AMP
R16 R21 R22
560 680
0
4.9V
0.71V
C17 C25
R14
OSCIN
2p
47p 330k
TRIPLER
Q1
KTC4082
QTTCXO
PLL_UL
PLL_STB
PLL_DAT
PLL_CLK
5C
B
EN1
EN2
5T SW
Q403
CPH3317
5R SW
RT1P237U
5C SW
RT1P237U
LED/RED
LED/GREEN
D403
D404
B30-2156-05
B30-2157-05
ON:4.92V ON:4.92V
OFF:0.01V OFF:0.01V
Q401
Q402
PTT
RT1N141U
RT1N141U
LED SW
LED SW
/RED
/GREEN
SW1
SW2
BATT
RESET
INT
5M
DI
CL
CE
DO
SB
G

SCHEMATIC DIAGRAM

D2,4,6,7
CV
FREQUENCY
CONTROL
HVC376B
/TX VCO
L24
L10
100n
HVC376B
C50
10p
TX MODULATION
C45
R25 R26 R31
470k
22k 10k 1u
C902
R30
33k
1u
L11
100n
HVC376B
R17
100
C34
1000p
T:4.99V
R:5.01V
Q404
Q405
R:4.83V
L402
AUX
PTT
GND
R437
SW1
47k
R438
SW2
47k
H
TK-3212/3217
L19
D6
220n
VCO OSCILLATION (TX)
* C52 C64
D7 * L16 *
VCO/TX
Q4
2SK508NV(K52)
MODULATOR
L12
R34
R36
270k
470k
D3,5,8,9
R:3.4V
FREQUENCY
L18
CONTROL
/RX VCO
D8 220n
VCO OSCILLATION (RX)
HVC376B
D9
C55 * L17 * C65
*
VCO/RX
Q3
2SK508NV(K52)
R421
1k
CP406
51
1Kx2
52
OPTDET
53
DO
AF_CONT
54
CP407
CE
1Kx2
55
CL
56
DI
57
58
59
4.95V
60
VCC
61
C430
MICROPROCESSOR
62
VSS
63
0.01u
GND
30620MCP-A00GP
64
GND
65
CP404
66
47Kx2
67
68
R470
69
AUX
70
1k
71
EN2
72
LEDTX
73
LEDRX
74
SIDE1
PF1
75
SIDE2
PF2
R415 47k
R416 47k
4.96V
X57-7130-XX L16
-10 TK-3212 K,M 22n
-11 TK-3212 K2,M2 18n
-21 TK-3217 M 22n
I
R40
*
RF BUFFER AMP
T:3.37V
Q6
0.72V 2SC5108(Y)
C73
0.5p
(B)
Q5
RT1P430U
DC SW/TX VCO
L22
RIPPLE
R37
Q7
FILTER
RT1P430U
100
Q8
DC SW/RX VCO
2SC4617(S)
C74
0.5p
CURRENT
STEERING
25
24
23
DTRLOADN STD
22
QTVCO
DIR
21
TDATA/DTRCLK
20
DI/O
19
SCLK
18
RDF/FD
17
TCLK/DTRDO
16
INT
R419
15
VCC
14 47k
VCC
13
IC405
XIN
12
VSS
11
XOUT
10
RESET
9
8
BSHIFT
R420
7
GND
6 47k
BYTE
5
EEPCLK
4
EEPDAT
3
2
DTMF
1
PCTV
C431
0.01u
L17 R40 R42 C52 C54 C55 C56 C58 C61 C64
27n 100 4.7k 11p 9p 11p 2p 6p 3p 4p
22n 100 4.7k 12p 9p 12p NO 9p 4p 5p
27n 150 10k 12p 6p 12p NO 6p 3p 5p
J
C78
33p
3.7V
R:4.97V
T:0.58V
4.0V
R:0.59V
T:4.94V
DCSW
APCSW
OSCIN
5C
B
5T
5R
RX_W/N
TX_W/N
DTMF
DTRLOADN
STD
DIR
TDATA/DTRCLK
DI/O
SCLK
ROF/FD
TCLK/DTRDO
XIN
XOUT
BSHIFT
EEPCLK
EEPDAT
RSSI
BUSY
TMH
VOX
5M
AFCONT
OPTDET
RXD/PTT
TXD
PCTV
MIC_MUTE
QT/DQT_IN
PTTSW
SB
C65 C66 C67
6p 6p 5p
5p 6p 7p
7p 7p 5p
X57-713 2/4