Service Manuals, User Guides, Schematic Diagrams or docs for : Kenwood VHF FM Transceiver VHF FM Transceiver Kenwood TK-7108H B51-8638-10-BLSP
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TK-7108H TK-7108H
BLOCK DIAGRAM
DISPLAY UNIT (X54-3460-20) TX-RX UNIT (X57-6700-24)
Q404
2SC4649(N,P) D602
MIC
RF MA4PH633
POWER 8C 8T 8R Q502 Q503 Q504
SB Q405 Q410 IC402 Q411 Q501 D603,D605
MICBL 2SC3357 PD55003 RD70HVF1
SB FNC1~FNC8 2SK508NV(K52) 2SC5108(Y) UPB1509GV 2SC4649(N,P) 2SC3357 XB15A709
Q402 PRE
PTT(TXD) IC401 8C CHARGE 2SA1832(GR) RX
BUFF DIVIDER RF T/R RF DRIVE DRIVE FINAL
ANT SW LPF ANT
ME P M MB15A02 VCO SW AMP AMP
PUMP AMP
MIC IGN PLLE
HOOK(RXD) DT LOOP CV Q407 Q408 D409 Vg
CM DATAI CK PLL IC
FILTER 2SJ243 KRX102U 8CL 5C 8C DAN235E 8T
DETO LD 8T
TXAFI 16.8MHz D606 POW. D607 POW.
CHARGE Q403 SW SW
TXAFO Q302 MA742 DET MA742 DET
5C 16.8MHz PUMP 2SC4738(GR)
1 2 3 4 EMGMIC 2SC4617(S)
RXAFO
ALTI 5C TCXO TCXOM0D TXRX
16.8MHz TRIPLER
RXAFI TX
X401 Q440 Vg
5C VCO Q406
KMI1 KMI2 KMI3 KMI4 KMO2 KMO1 2SC4617(S) IC501
8C 2SK508NV(K52) IC161 50.4MHz
M62363FP(1/8) IC301 BUFFER TA75W01FU
IC1 D/A RIPPLE 8CL VCOMOD (1/2)
8C
LEDMON BU2090FS CONV FILTER D/A IF Q351 Q352 Q353
LEDPF GND
CONV DEMODULATOR 2SC5108(Y) 3SK255 3SK255 IC501
LEDC1 ALTI IC161
D301 Q301 TA75W01FU
LEDC2 SHIFT CL DETO2 M62363FP(8/8)
MA742 2SC2412K (2/2)
LEDC3 REGISTER DI DATAI IF MCF MIX BPF RF BPF APC
LEDC4 8C CONTROL PC
LEDR 5C SQIN DET NOISE 8T
LEDG FNC1(TXD) XF351
FNC3(RESET) 8R 49.95MHz 8R 8R
MICBL FNC2(RXD)
TCXOMOD VCOMOD D351,352 RF BPF RF BPF D353,354 IC161
D303 CF301 D302 HVC350B TUNE TUNE HVC350B M62363FP(3/8)
PSB IC203 IC161 IC203 IC161 DAN222 (WIDE) DAN222
Q1 IC201 IC202 NJM2902V M62363FP NJM2902V M62363FP D/A
MON GND NJM2100V NJM2904V (1/4) (3/8) (3/4) 8T SW SP
D5 2SK1824 (7/8) SW 450kHz SW CONV
LEDMON PTT Q354
MIC MIC SPLATTER D/A D/A CF302 2SK1824 DTMF/BEEP
MIC/IDC SUM BUFF
POWER MUTE FILTER CONV CONV (NARROW) IC161 IC252
IC251 Q251 Q252,253 Q254
D6 PF ME M62363FP(4/8) DTC363EU LA4600
NJM2902V 2SC4617(S) 2SK1824
LEDPF HOOK NARROW EXT.
KMI2 MICMT WIDE AF D/A AF SP
AGC IC161 HPF SW CONV SW
CM AGC FILTER PA
D7 1 KMI1 DET M62363FP(6/8)
LEDC1 KMI3 FNC1 FNC2 IC66
Q201 D201 D/A FNC3 FNC4 5M EEPROM
KMO1 DTMF AT24C64N10SI18 AFM
2SC4919 DAN222 CONV FNC5 FNC6
KMI4 D202 FNC7 FNC8 SPM
2 EEPWP SW
D8 KMO2 1SS372 Q255
LEDC2 EEPCK
SB EEPDT KRC102S
5C 8C
QT/DQT SBC BATT AMPSW
3 CE
D9 DTMF 8TC TEMP1 Q35 IC31
LEDC3 CL 8RC TEMP2 KTA1664(Y) KIA7808AF Q31
DI
NARROW 2SA1641(S,T)
WIDE PLLE AVR +B
ELVLLD 8T SW SW
D10 4 8V
LEDC4 BSHIFT RSSI IC33
DT TX/RX E
Q4 CK Q36 NJM78L05UA
CPU SQIN SB
KRC102S CL KRC102S
B AFM
BUSY DI SPM IC101 8TC SBC AVR
D11 SW SW 5M
SW LEDG AMPSW 30622MAA-B83GP
OVER MICEM IGN
VOLTAGE SW KMO1 MICMT1 Q33 Q32 IC35
5C BATT
DET KMO2 MICMT2 2SA1745(6,7) KRC102S PST9140NR
D12 RED Q61 PWRPRCT OVER
8R SW
LEDR KRC404RTK VOLTAGE INT INT
PTT(TXD) SIGNAL DET
HOOK(RXD) Q34
IGN SW POWER KRC102S
KEY CM IC34
SW KMI1 8RC SW PST9140NR
Q9 Q71 KMI2 X86
KRA2555S KRC414RTK KMI3 Q86 Q87
KMI4 2SK1824 2SK1824 RESET RESET 5M
SW INT AVR
Q10 BSHIFT SW SW 5C
RESET 5V IC32
KRC102S
NJM78L05UA
MICBL 5C
47 48
TK-7108H TK-7108H
LEVEL DIAGRAM
Receiver Section
Center Frequency 49.95MHz 450kHz Audio Frequency
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