Service Manuals, User Guides, Schematic Diagrams or docs for : Kenwood VHF FM Transceiver VHF FM Transceiver Kenwood TK-7108 B51-8592-10-BLSP
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TK-7108
BLOCK DIAGRAM /
DISPLAY UNIT X54-3460-20 TX-RX UNIT X57-6913-01
Q404
MIC 2SC4649(N,P)
POWER RF
SB 8C Q
MBL
SB FNC1~FNC8 2SK508
Q402
PTT(TXD) IC401 8C CHARGE 2SA1832(GR)
ME MB15A02 PUMP V
MIC P M IGN PLLE
HOOK(RXD) DT LOOP CV Q407
CM DATAI CK PLL IC
FILTER 2SJ243
DETO LD
TXAFI 16.8MHz CHARGE Q403 S
TXAFO 5C PUMP 2SC4738(GR)
16.8MHz
EMGMIC
1 2 3 4 RXAFO
ALTI 5C TCXO TCXOMOD
RXAFI T
X401 Q440
5C V
KMI1 KMI2 KMI3 KMI4 KMO2 KMO1 2SC4617(S)
8C
IC1 D/A LIPPLE 8CL VCO
BU2090FS 8C
LEDMON CONV FILTER
LEDPF GND
LEDC1 ALTI IC161
LEDC2 SHIFT CL M62363FP(8/8)
DETO2 M
LEDC3 REGISTER DI
LEDC4 DATAI
LEDR 5C
LEDG SQIN
FNC1(TXD)
FNC3(RESET)
MICBL
FNC2(RXD)
TCX
PSB IC203 IC161 IC203
Q1 IC201 IC202 NJM2902V M62363FP NJM2902V
D5 MON GND NJM2100V NJM2904V
2SK1824 (1/4) (3/8) (3/4)
LEDMON PTT
MIC MIC SPLATTER D/A
MIC/IDC SUM BUFF
POWER MUTE FILTER CONV
D6 PF ME
LEDPF HOOK
KMI2 MICMT
CM IC161
D7 1 AGC M62363FP(6/8)
KMI1 AGC
LEDC1 DET
KMI3 D/A
KMO1 Q201 D201 DTMF
CONV
KMI4 2SC4919 DAN222
D8 2
D202
LEDC2 KMO2
1SS372
SB
5C
D9 3 CE QT/DQT SBC
LEDC3 CL DTMF 8TC
8RC
DI
NARROW
WIDE PLL
D10 4 ELV
LEDC4 BSH
Q4 DT TX/
CK
KRC102S CL
B AFM
D11 BUSY CE SPM
SW LEDG DI AM
OVER
MIC
VOLTAGE SW KMO1 MIC
5C
DET KMO2 MIC
D12 RED
Q61
LEDR
KRC404RTK
PTT(TXD)
HOOK(RXD)
KEY IGN SW POWER
SW CM
Q9 KMI1
KRA2555S Q71 KMI2
KRC414RTK KMI3
KMI4
Q10 SW
INT
KRC102S RESET
MICBL 5C
64
TK-7108
BLOCK DIAGRAM /
IC502 RA30H1317M-31
POWER
MODULE
Vg
Q411
Q405 Q410 IC402 2SC4649 8T 8R Q501 Q502 D602
2SK508NV(K52) 2SC5108(Y) UPB1509GV (N,P) 2SC3357 2SC3357 B MA4PH633
PRE
RX T/R DRIVE
BUFF DIVIDER RF DRIVE ANT SW LPF ANT
VCO SW AMP
AMP
CV Q407 Q408 D409
2SJ243 KRX102U 8CL 5C 8C DAN235E
8T 8T
D606 POW. D607 POW.
SW SW Q302 MA742 DET MA742 DET
2SC4617(S)
TXRX
16.8MHz TRIPLER
TX
VCO Q406 IC161 Vg
IC501
2SK508NV(K52) M62363FP 50.4MHz BUFFER TA75W01FU
L (1/8) IC301
VCOMOD (1/2)
D/A IF Q351 Q352 Q353
CONV DEMODULATOR 2SC5108(Y) 3SK255 3SK255 IC501
D301 Q301 TA75W01FU
MA742 2SC2412K APC (2/2)
IF MCF MIX BPF RF BPF
8C CONTROL PC
SQIN DET NOISE 8T
XF351
8R 49.95MHz 8R 8R
TCXOMOD VCOMOD D351,352 RF BPF RF BPF D353,354 IC161
D303 CF301 D302 HVC350B TUNE TUNE HVC350B M62363FP(3/8)
IC203 IC161 DAN222 (WIDE) DAN222
NJM2902V M62363FP D/A
8T SW CONV SP
(3/4) (7/8) SW 450kHz SW
Q354
D/A CF302 2SK1824 DTMF/BEEP IC161
BUFF
CONV (NARROW) M62363FP IC252
IC251 Q251 Q252,253 Q254
(4/8) LA4600
NJM2902V 2SC4617(S) 2SK1824 DTC363EU
NARROW
WIDE AF D/A
HPF SW CONV SW AF PA
FILTER
8)
FNC1 FNC2
FNC3 FNC4 IC66 EXT.
DTMF 5M EEPROM AFM
FNC5 FNC6 AT24C64N10SI18 SP
FNC7 FNC8 SPM Q255
EEPWP SW
KRC102S
EEPCK
EEPDT
8C
BATT AMPSW
QT SBC
F 8TC TEMP1 Q35 IC31 Q31
8RC TEMP2 KTA1664(Y) KIA7808AF KTA1046(Y)
ROW AVR
E PLLE 8T SW SW +B
ELVLLD 8V
BSHIFT RSSI IC33 E
TX/RX CPU Q36 NJM78L05UA
SQIN SB
KRC102S
AFM
SPM IC101 8TC SW SBC SW 5M AVR
AMPSW 30622MAA-B87GP
MICEM IGN
1 MICMT1 Q33 Q32 IC35
BATT
2 MICMT2 2SA1745(6,7) 2SK1824 PST9140NR
PWRPRCT OVER
8R SW
VOLTAGE INT INT
TXD) SIGNAL DET
K(RXD) Q34
ER KRC102S
IC34
8RC SW
PST9140NR
Q86 X86 Q87
2SK1824 2SK1824 RESET RESET 5M
AVR
BSHIFT SW SW 5C
T 5V IC32
NJM78L05UA
65
TK-7108
LEVEL DIAGRAM /
Receiver Section /
Center Frequency 49.95MHz 450kHz
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