Block Diagram - Kenwood TK-8102 Service Manual

F
TX-RX UNIT (X57-6920-XX)
6.1V
RF AMP
BUFFER AMP
Q411
Q410 1.51V
2SC5108(Y)
2SC5108(Y)
C454
6p
C456
4p
0.74V
T:0.97V
Q408
KRX102U
L417
R432
1k
R:4.9V
T:0V
T/R SW
7.0V
RIPPLE
FILTER
Q440
2SC4617(S)
R:4.6V
C351
33p
7.7V
R:7.9V
RIPPLE
FILTER
TX/RX(CPU20)
MIC
PC/TV
W/NO(EVOL2)
W/NI(EVOL1)
AFO(EVOL11)
8TC(CPU77)
8RC(CPU76)
DT(CPU53)
CK(CPU54)
AFI(EVOL12)
5M
MICMT1(CPU73)
MICEM(CPU74)
76
8RC
77
8TC
78
CM
78
79
NC
R124
5M
80
NC
47k
81
NC
82
SBC
1k 83
R125
KMI1
83
1k 84
R126
84 KMI2
1k
R127 85
85 KMI3
1k 86
R128
86 KMI4
C103 87
PWRPRCT
88
1000p
SIGNAL
89
R91 1k
TEMP2
R92 1k 90
TEMP1
91
BATT
92
RSSI
93
SQIN
R129
94
AVSS
95
0
NC
L101
96
5M
VREF
97
5.0V
AVCC
98
NC
R130 1k 99
99 KMO1
R131 100
1k
100 KMO2
QT/DQT(CPU1)
PLLE(CPU3)
EVLLD(CPU8)
TX/RX(CPU20)
UL(CPU21)
DTMI(EVOL16)
RSSI(CPU92)
IGN(CPU72)
17
SBC(CPU82)
1/2Vcc
G
SCHEMATIC DIAGRAM
T:5.6V
RF SWITCH
4.87V
7.2V
* C502
2SC5108(Y)
R445 C466
0 5p
T:1.8V
0.8V
D409
DAN235E
R:5.7V
R444
1k
TH351
XF351 -t
3.3k
R:0.76V
L71-0591-05
49.95M
R353 R354 R355
100k 560 680
Q351
2SC5108(Y)
IF AMP
8R
C102
R123
5.0V
0
0.1u
C101
470p
CPU
IC101
30622MAA-B87GP
5M CNVSS
SQIN(CPU93)
H
PRE DRIVE AMP PRE DRIVE AMP
T:6.8V T:1.10V
Q500 Q501
C509 2SC3357
5p
TP
R:3.2V
MIXER
Q352
L352
3SK255
R:1.9V
G2
0.47u D
R:7.0V
C367
R364 *
C359 0.4V 0
S
G1
12p
8R
SMP(CPU51)
AMPSW(CPU52)
AFI(EVOL12)
WIDE(CPU65)
NARROW(CPU64)
50
AFM
R119 1k
49
FNC8
R118 1k
48
FNC6
47 R117 1k
FNC7
46 R116 1k
FNC5
45 R115 1k
FNC4
R113 47k
44
CEFLS
43 R114 1k
FNC3
42
NC
41
NC
40
NC
R112 47k
39
EMPFLS
38
RXD TXD
NC
37
NC
36
R111 1k
HOOK
35
PTT
34
RXD
R110
R109
1.5k 47k
33
TXD
32 R108 47k
BSYFLS
R107
31 47k
CLKFLS
30 R106
1k
FNC2
R105
29 1k
FNC1
28
EEPSDT
27
EEPSCK
26
EEPWP
1
A0 VCC
2
A1 WP
3
A2 SCL
4
GND
SDA
R151
R152
IC66
10k 4.7k
AT24C64A10SI18
C66 470p
EEPROM
RSSI(CPU92)
Q71
KRC414RTK
R75
1k
R71
R72
1M
4.7k
KEC
IGNITION
INT(CPU18)
RESET(CPU10)
I
TK-8102
Q502
T:7.3V T:0.29V
2SC3357
C516
8p DRIVE1
T:1.6V
D502
DA221
TEMPERATURE
COMPENSATION
R:3.6V
RF AMP
Q353
D351,352
3SK255
R:7.3V
RF BPF TUNING
D
C371 L357
C374
S
0.5p 7p
39n
TV
L304
R323
150k 330n
R:7.5V
R:0.6V
Q302
2SC4649(N,P)
BUFFER AMP
W:4.9V
N:0V
CF301
L72-0993-05
49
IF SWITCH
48
D303
47 DAN222
46
CF302
L72-0999-05
45
43
W:0V
N:4.9V
36
35
5M
5M
AFI(EVOL12)
30
29
8C
5C
8
R270 C269
7
2.7k 1u
R67
6
47k
R269 C268
5 R66
82k 0.1u
47k
4.9V
AF MUTE
Q253
2SK1824
R268
AFM(CPU50)
DTMI(EVOL16)
1k
R:0V
B
Q252
2SK1824
AF MUTE
SQIN(CPU93)
SBC(CPU82)
1/2Vcc
INT(CPU18)
RESET(CPU10)
X57-692 2/3
J
T:6.0V
C523
*
G2
G1
R:1.6V
R:0.9V
MIC
PC/TV
W/NO(EVOL2)
AFO(EVOL11)
8TC(CPU77)
8RC(CPU76)
SMP(CPU51)
AMPSW(CPU52)
R322
100
WIDE
IF SWITCH
D302
DAN222
NARROW
W/NI(EVOL1)
Scrambler
R267
0
45