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TK-8108H TK-8108H
BLOCK DIAGRAM
DISPLAY UNIT TX-RX UNIT
X54-334*-** X57-639*-**
Q3
P M 2SC4649(N,P)
RF
8C Q10 Q15 Q20 8T 8R Q39 Q23 Q800 Q801 Q101 D801,D802 : MA4PH633
MBL 2SC5110(0) 2SC3356(R24) 2SK2596 2SK3075 2SK3478-22 D803,D804 : XB15A709
PSB 2SK508NV(K52) 2SC5108(Y) 2SC5108(Y)
Q4 PRE
MIC PTT(TXD) IC1 8C RX T/R DRIVE DRIVE FINAL ANT
CHARGE 2SA1832(GR) BUFF RF RF DRIVE LPF ANT
ME MB15A02 PUMP VCO SW AMP AMP1 AMP2 AMP SW
MIC PLLE
HOOK(RXD) 1 2 3 4 DT LOOP CV Q7 Q12 D19
CM CK PLL IC FILTER KRX102U DAN235E 8T Vg
LD
2SJ243 8CL 8C 8T
16.8MHz D805 POW. D806 POW.
CHARGE Q5 SW SW MA742 DET MA742 DET
5C 16.8MHz PUMP 2SC4738(GR)
KMI1 KMI2 KMI3 KMI4 KMO2 KMO1
PSB
Q1 5C TCXO TCXOMOD TXRX Q6
16.8MHz TRIPLER TA75W01FU (1)
KRC102S TX 2SC4649(N,P)
Q14 VCO Q11
D5 MON 2SC4617(S) Vg BUFFER
SW LEDMON 2SK508NV(K52) 50.4MHz
D/A
8C LIPPLE 8CL VCOMOD IC3
CONV FILTER M62363FP(*/8) D/A IF IC800
Q5 Q19 Q21 Q26
CONV DEMODULATOR 3SK255 TA75W01FU (2)
KRC102S IC3 2SC5108(Y) 3SK255
D6 D18 Q18
PF M62363FP(*/8) MA742 2SC2412K
SW LEDPF IF MCF MIX BPF RF BPF APC
8C CONTROL PC
DET 8T
SQIN NOISE
XF1
Q2 49.95MHz
KRC102S 8R 8R 8R
IC3
D7 1 TCXOMOD VCOMOD D21,22 RF BPF RF BPF D25,26,28 M62363FP(*/8)
SW LEDC1 GND D13 CF1 D15 HVC350B TUNE TUNE HVC350B
IC4 IC4 DAN222 (WIDE) DAN222 D/A
PTT IC21 IC22 NJM2902V NJM2902V
HOOK CONV
Q6 NJM2100V NJM2904V (*/4) (*/4) SW 450kHz SW
ME SP
KRC102S DTMF/BEEP
D8 MIC SPLATTER D/A D/A CF2
2 MIC/IDC SUM BUFF IC3
SW LEDC2 POWER FILTER CONV CONV (NARROW) IC101
IC10 Q24 Q22,43 M62363FP
LEDMON LA4600
IC3 NJM2902V 2SC4617(S) 2SK1824 (*/8)
LEDPF NARROW
Q3 M62363FP(*/8) WIDE D/A
LEDC1 AF AF
KRC102S IC3 HPF SW CONV
LEDC2 AGC AGC D44 FILTER PA
D9 DET 1SS372 M62363FP(*/8)
3 LEDR
SW LEDC3 LEDG D/A
Q41 DTMF IC7 EXT
MICBL 2SC4919 CONV 5M EEPROM 24LC08BT-ISN MUTE1 Q32 SP
QT/DQT SW
LEDC3 MIC DTC363EU
Q7 MICMT FILTER
LEDC4 MUTE
KRC102S
D10 CM IC11
4 D43 NJM2904V
KMI1 DAN222 BATT. CHECK MUTE2
SW LEDC4 SBC LEDMON
KMI2 NARROW LEDPF TEMP1
WIDE LEDC1 IC20
KMI3 TEMP2 Q33 KIA7808AF
Q4 PLLE LEDC2 Q42
KMI4 DT LEDR TEMP3 KTA1664(Y)
KRC102S KMO1 AVR 2SA1641(S,T)
CK LEDG +B
D11 DTMF MICBL 8T SW SW
BUSY KMO2 8V
SW LEDG BEEP LEDC3 IC17 E
PSB LEDC4 Q30
KMO1
CPU SB NJM78L05UA
IGNITION KRC102S
Q8 B KMO2 IC6
BSHIFT BATT.CHECK 8TC SW SBC SW 5M AVR
KRC102S MUTE1
OVER MUTE2
784214AGC141 OVER VOLTAGE
D12 RED VOLTAGE SW MUTE3 DET Q31 Q34 IC18
SW LEDR DET 8TC
IC9 2SA1745(6,7) KRC102S PST9140NR
8RC
Q38 LC73872M 8R SW
KRC404RTK INT INT
PTT DTMF Q29
HOOK DECODE KRC102S
KEY IGNITION SW POWER
SW CM IC15
Q9 8RC SW
Q16 KMI1 3.579545 PST9140NR
KRA225S KMI2 X2
KRC414RTK KMI3 Q13 MHz
2SK1824 7.159MHz
KMI4 RESET RESET 5M
SW LD Q37
DIVIDER AVR
Q10 INT
BSHIFT SW SW 2SK1824 5C
RESET 5V IC14
KRC102S
IC19 NJM78L05UA
MICBL TC7W74FU




45 46
TK-8108H TK-8108H
LEVEL DIAGERAM

Receiver Section

Center Frequency 49.95MHz 450kHz Audio Frequency
W