Block Diagram - Kenwood TK-8102H Service Manual

DISPLAY UNIT
X54-334 * - **
P M
MBL
PSB
MIC
PTT(TXD)
ME
MIC
HOOK(RXD) 1 2 3
CM
KMI1 KMI2 KMI3
PSB
Q1
KRC102S
D5
MON
SW LEDMON
Q5
KRC102S
D6
PF
SW LEDPF
Q2
KRC102S
D7
1
SW LEDC1
Q6
KRC102S
D8
2
SW LEDC2
Q3
KRC102S
D9
3
SW LEDC3
Q7
KRC102S
D10
4
SW LEDC4
Q4
KRC102S
D11
BUSY
SW LEDG
Q8
KRC102S
D12
RED
SW LEDR
KEY
SW
Q9
KRA2555S
SW
Q10
KRC102S
MICBL
31
TK-8102H
TX-RX UNIT
X57-639 * - **
RF
IC1 8C
MB15A02
PLLE
4
DT
PLL IC
CK
LD
16.8MHz
5C
16.8MHz
KMI4 KMO2 KMO1
5C TCXO TCXOMOD
D/A
CONV
IC3
M62363FP(*/8)
GND
PTT
IC21 IC22
HOOK
NJM2100V NJM2904V
ME
MIC SPLATTER
MIC/IDC
POWER FILTER
LEDMON
LEDPF
LEDC1
LEDC2 AGC
AGC
DET
LEDR
LEDG
Q41
MICBL
2SC4919
MIC
LEDC3
MUTE
LEDC4
CM
D43
KMI1
DAN222
KMI2
KMI3
KMI4
KMO1
KMO2
PSB
OVER
VOLTAGE
DET
KRC404RTK
IGNITION
KRC414RTK
TK-8102H

BLOCK DIAGRAM

Q3
2SC4649(N,P)
8C
Q10 Q15
2SK508NV(K52) 2SC5108(Y) 2SC5108(Y)
Q4
RX
2SC1832(GR)
CHARGE
BUFF
VCO
PUMP
CV
LOOP Q12
Q7
FILTER KRX102U
2SJ243
8CL
CHARGE
SW SW
Q5
PUMP
2SC4738(GR)
TXRX
16.8MHz
TX
Q14
VCO
Q11
2SC4617(S)
2SK508NV(K52)
LIPPLE 8CL VCOMOD
IC3
8C
FILTER
M62363FP(*/8)
D/A
CONV
D18 Q18
2SC2412K
MA742
SQIN DET NOISE
TCXOMOD VCOMOD
D13
IC4 DAN222
IC4
NJM2902V NJM2902V
(*/4) (*/4)
SW
D/A D/A
SUM BUFF
CONV
CONV
IC3
M62363FP(*/8)
WIDE
IC3
D44
M62363FP(*/8)
1SS372
D/A
DTMF
CONV 5M
MICMT
SBC LEDMON
NARROW LEDPF
WIDE LEDC1
PLLE LEDC2
DT LEDR
CK LEDG
DTMF MICBL
BEEP LEDC3
LEDC4
CPU
KMO1
B KMO2
IC6
BSHIFT
MUTE1
784214AGC125
MUTE2
SW
MUTE3
8TC
8RC
Q38
PTT
HOOK
SW
POWER
CM
KMI1
Q16
KMI2
X2
Q13
KMI3
2SK1824
KMI4
LD
INT
BSHIFT SW
RESET
32
8T 8R Q39 Q800 Q801
Q23
Q20
2SC5110(0) 2SC3356(R24) 2SK2596 2SK3075 2SK3478-22
PRE
T/R DRIVE DRIVE
RF RF DRIVE
SW
AMP1 AMP2
AMP
D19
Vg
DAN235E
8C 8T 8T
Q6
TRIPLER
2SC4649(N,P)
50.4MHz
IF
Q21
Q19 Q26
DEMODULATOR
2SC4649(N,P) 3SK255 3SK255
IF MCF MIX BPF RF
8C
XF1
49.95MHz
8R
8R 8R
D21,22 RF BPF
D15
CF1 HVC350B TUNE
DAN222
(WIDE)
450kHz SW
CF2
(NARROW)
IC10
NJM2902V 2SC4617(S)
NARROW
AF
FILTER
IC7
EEPROM
24LC08BT-ISN QT/DQT
FILTER
IC11
NJM2904V
TEMP1
TEMP2
Q33
TEMP3 KTA1664(Y)
8T SW
Q30
IGNITION KRC102S
BATT.CHECK
8TC SW
OVER VOLTAGE
Q31
DET
2SA1745(6,7)
IC9
LC73872M
8R SW
DTMF
Q29
DECODE
KRC102S
8RC SW
3.579545
MHz
7.159MHz
Q37
DIVIDER
AVR
2SK1824 5C
SW
5V
IC19
TC7W74FU
Q101 D801,D802 : MA4PH633
D803,D804 : XB15A709
FINAL ANT
LPF ANT
AMP
SW
D805 POW. D806 POW.
MA742 MA742
DET DET
TA75W01FU (1)
Vg
BUFFER
IC800
TA75W01FU (2)
APC
BPF
CONTROL
PC
8T
IC3
D25,26,28
RF BPF
M62363FP(*/8)
TUNE HVC350B
D/A
CONV
SP
DTMF/BEEP
IC3
IC101
Q22,43 M62363FP
Q24
LA4600
2SK1824 (*/8)
D/A AF
HPF SW
CONV
PA
EXT
MUTE1
Q32 SP
SW
DTC363EU
MUTE2
BATT. CHECK
IC20
KIA7808AF
Q42
2SA1641(S,T)
AVR
SW +B
8V
IC17 E
NJM78L05UA
SB
SBC SW 5M AVR
Q34 IC18
KRC102S PST9140NR
INT INT
IC15
PST9140NR
RESET RESET 5M
IC14
NJM78L05UA