Tx-Rx Unit (X57-7120-10) - Kenwood TK-2217 Service Manual

F

TX-RX UNIT (X57-7120-10)

5C
C40
4p
2.73V
L8 C43 L9
18n 33n
15p
Q2
2SC5108(Y)F
PLL IC F_IN AMP
R16 R22
R21
560 680
0
4.83V
0.7V
C25
C17 R14
OSCIN
330k
2p
47p
TRIPLER
Q1
KTC4082
QTTCXO
PLL_UL
PLL_STB
PLL_DAT
PLL_CLK
5C
B
EN1
EN2
5T SW
Q403
CPH3317
5R SW
5C SW
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 / 原理图
D4,7
CV
FREQUENCY
CONTROL
/TX VCO
L24
L10
180n
1SV325F
C50
10p
TX MODULATION
R25 R26 C45 R31
22k 10k 560k
1u
C902 R30
1u 12k
D5,9
FREQUENCY
CONTROL
/RX VCO
L11 D9
100n
1SV325F
R17
100
C34
1000p
T:4.99V
R:5.01V
CP406
Q404
RT1P237U
CP407
Q405
RT1P237U
R:4.83V
L402 C430
0.01u
AUX
PTT
GND
R437
SW1
R415
47k
R416
R438
SW2
47k
H
L19
220n
VCO OSCILLATION (TX)
C64
D7 C52 4p
L16
39n
180p
VCO/TX
Q4
2SK508NV(K52)
MODULATOR
L12 R34
R36
4.7k 270k
R:3.46V
L18
220n
VCO OSCILLATION (RX)
C55 L17
C65 5p
27n
120p
VCO/RX
Q3
2SK508NV(K52)
R421
1k
1Kx2 51
52
OPTDET
53
DO
AF_CONT
54
CE
1Kx2
55
CL
56
DI
57
58
4.95V 59
60
VCC
61
62 MICROPROCESSOR
VSS
63
GND
30620MCPA14GU
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
47k
47k
4.96V
I
TK-2217
R40
RF BUFFER AMP
100
T:3.42V
Q6
0.72V
2SC5108(Y)F
C73
0.5p(B)
Q5
RT1P430U
DC SW/TX VCO
L22
RIPPLE
R37
Q7
FILTER
RT1P430U
100
Q8
DC SW/RX VCO
2SC5383
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
J
C78
7p
3.74V
R:4.97V
T:0.59V
4.0V
R:0.60V
T:4.95V
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
TMH
VOX
5M
BUSY
RSSI
AFCONT
OPTDET
RXD/PTT
TXD
PCTV
MIC_MUTE
QT/DQT_IN
PTTSW
SB
X57-712 2/4