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TK-7108H TK-7108H
BLOCK DIAGRAM
DISPLAY UNIT TX-RX UNIT
X54-334*-** X57-638*-**
Q3
P M 2SC4649(N,P)
RF
8C Q10 Q15 IC23 Q20 8T 8R Q23 Q25 Q800 Q101 D801 MA4PH633
MBL
PSB 2SK508NV(K52) 2SC5108(Y) UPB1509GV 2SC4649(N,P) 2SC3357 2SC3357 2SK3075 2SK3478-22 D804 XB15A709
Q4 PRE
MIC IC1 8C RX T/R DRIVE FINAL ANT
PTT(TXD) CHARGE 2SA1832(GR) BUFF DIVIDER RF RF DRIVE LPF ANT
ME MB15A02 PUMP VCO SW AMP AMP SW
MIC PLLE AMP
HOOK(RXD) 1 2 3 4 DT LOOP CV Q7 Q12 D19 Vg
CM CK PLL IC KRX102U
FILTER 2SJ243 8CL 5C 8C DAN235E 8T
LD 8T
16.8MHz D805 POW. D806 POW.
CHARGE Q5 SW SW DET MA742 DET
5C PUMP 2SC4738(GR) MA742
16.8MHz
KMI1 KMI2 KMI3 KMI4 KMO2 KMO1
PSB
5C TCXO TCXOMOD TXRX Q6
Q1 16.8MHz TRIPLER
TX 2SC4617(S)
KRC102S Q14 TA75W01FU (1)
D5 VCO Q11 Vg
MON 2SC4617(S)
SW LEDMON 2SK508NV(K52) 50.4MHz BUFFER
D/A
8C LIPPLE 8CL VCOMOD IC3
CONV FILTER M62363FP(*/8) D/A IF Q21
Q5 Q19 Q26
CONV DEMODULATOR 2SC4649(N,P) 3SK255 3SK255 IC800
KRC102S IC3 TA75W01FU (2)
D6 M62363FP(*/8) D18 Q18
PF MA742 2SC2412K
SW LEDPF IF MCF MIX BPF RF BPF APC PC
8C CONTROL
SQIN DET NOISE 8T
Q2 XF1
8R 49.95MHz 8R 8R
KRC102S
D7 D21,22 RF BPF IC3
1 TCXOMOD VCOMOD RF BPF D25,26
D13 CF1 D15 HVC350B TUNE TUNE HVC350B M62363FP(*/8)
SW LEDC1 GND IC4 IC4 DAN222 (WIDE) DAN222
PTT IC21 IC22 NJM2902V NJM2902V D/A
Q6 HOOK NJM2100V NJM2904V (*/4) (*/4) CONV SP
SW 450kHz SW
KRC102S ME DTMF/BEEP
D8 2 MIC SPLATTER D/A D/A CF2 IC3
MIC/IDC SUM BUFF CONV
SW LEDC2 POWER FILTER CONV (NARROW) M62363FP IC101
IC10 Q24 Q22,43 LA4600
LEDMON NJM2902V 2SC4617(S) 2SK1824 (*/8)
LEDPF IC3 NARROW
Q3 LEDC1 M62363FP(*/8) WIDE AF
IC3 AF D/A
KRC102S AGC HPF SW CONV
LEDC2 AGC D44 M62363FP(*/8) FILTER PA
D9 3 LEDR DET 1SS372
SW LEDC3 LEDG D/A
Q41 DTMF IC7 EXT
MICBL CONV 5M EEPROM MUTE1 Q32 SP
2SC4919 24LC08BT-ISN QT/DQT SW
Q7 LEDC3 MIC DTC363EU
MICMT FILTER
KRC102S LEDC4 MUTE
D10 CM IC11
4 D43 NJM2904V MUTE2
SW LEDC4 KMI1 DAN222 BATT. CHECK
SBC LEDMON
KMI2 NARROW LEDPF TEMP1 IC20
KMI3 WIDE LEDC1 TEMP2 Q33
Q4 PLLE LEDC2 KIA7808AF Q42
KMI4 DT LEDR TEMP3 KTA1664(Y)
KRC102S KMO1 AVR 2SA1641(S,T)
CK LEDG +B
D11 8T SW SW
BUSY KMO2 DTMF MICBL 8V
SW LEDG BEEP LEDC3 IC17 E
PSB LEDC4 Q30
CPU SB NJM78L05UA
KMO1 IGNITION KRC102S
Q8 B KMO2
BSHIFT IC6 BATT. CHECK 8TC SW SBC SW 5M AVR
KRC102S MUTE1
OVER 784214AGC141 OVER VOLTAGE
D12 RED MUTE2
VOLTAGE SW MUTE3 DET Q31 Q34 IC18
SW LEDR DET 8TC PST9140NR
IC9 2SA1745(6,7) KRC102S
8RC
Q38 LC73872M 8R SW
KRC404RTK INT INT
PTT DTMF
HOOK DECODE Q29
KEY IGNITION SW POWER KRC102S
SW CM IC15
Q9 KMI1 8RC SW PST9140NR
Q16 3.579545
KRA225S KMI2 Q13 X2
KRC414RTK KMI3 7.159MHz MHz
KMI4 2SK1824 RESET RESET 5M
SW LD Q37
Q10 INT DIVIDER AVR
BSHIFT SW SW 2SK1824 5C
KRC102S RESET 5V IC14
IC19 NJM78L05UA
MICBL TC7W74FU




45 46
TK-7108H TK-7108H
LEVEL DIAGERAM

Receiver Section

Center Frequency 49.95MHz 450kHz Audio Frequency
W