Kenwood TK-5310 K4 Service Manual page 93

TK-5310
X57-7250-XX A/5
(TX-RX unit)
F600
FUSE
XC6204B502MR
6.0~9.0V
XC6204B502PR
TK11250CUCB
X57-7250-XX B/5
(Control Unit)
Option Board Connector (VGS,ANI board,Scrambler board)
88
BLOCK DIAGRAM
TX : 450.00 – 520.00 MHz(K,K2,K3)
380.00 – 470.00 MHz(K4,K5,K6)
RX : 400.05 – 470.05 MHz(K,K2,K3)
330.05 – 420.05 MHz(K4,K5,K6)
+B
IC601 Q105,Q108
SSM6L05FU,2SJ347F
AVR SW VCO Vdd
5CC T/R
5C
IC600 Q601
SSM6L05FU
AVR SW 5R
5RC
Q600
PWR
2SK879(Y)F
SSM6L05FU
SW 5T
IC610
5TC
Q604,Q603
TPC6108-F,SSM3K15TE(F)
AVR SW
5MCS
5MC
33M
Q602
SSM6L05FU BATTDET
SB
SW
BATT
PWR
Q101
SSM6L05FU
SW
33A
33M
5CC
25D
15D
28M
5M
15V
36MD
RX AF
IC607
TC7MB3245FK,
IC608/IC609
TC7WB125FK x 2
LCD BUS LCD BUS
BUS SW
LCS
5M
IC603
TC74VHCT244AFT
IC606
3.3 → 5V Level
BU4094BCFV
Converter
Universal
Connector
DAC
Shift Register
(LD)
CLK1,DAT1,STRB1,OE1
5M 5M
X57-7250-XX D/5
(Option Board)
VCO Vdd
TX VCO
LOOP Filter
2SC5108(Y)F
MOD
CVCO
VCO Vdd
VCO Vdd
RX VCO
CVCO
IC101
ADF4111BCP7
PLL IC
Q103
S33A
LD
S33A 5C
X100
VCXO
16.8MHz
CLK
CV to ASSIST
DAT
CPU
(PLL Assist
STRB
Circuit)
S33A Vcont
Vcont
(VCXO)
S33A
MOD
(VCO)
STONE from
ANI
BATT
BATTDET
CLK,DAT,STRB,OE
IC4
S-80930CNNB-G
Reset
X1
33M
32.768kHz
D200,D308
Q200
Q109 Q112
HVC131x2
2SC5108(Y)F
2SC5108(Y)F
T/R
SW
5C
5R 5T
Q110 (K4,K5,K6)
Q111
2SC5108(Y)F
IC462
DAC
M62364FP-F
BPF
CH1 CH8
Tuning2
2nd Local
CH2 CH7
Adjust
Max
CH3 CH6
Deviation
Balance
CH4 CH5
Adjust
DAT,CLK,LD 5M AVDref
(2V)
IC463(1/2)
TC75W51FK(F)
IC462
fc
DAC
Balance
5CH
SUM
IC462
DAC
Max. Deviation
33A 4CH
5M
DAC
3CH
5M
IC462
RX Audio
Volume
DAC IC458(2/2) IC458(1/2)
6CH TC7W66FK-F TC7W66FK-F
SW SW
BEEPS RXEI SCSW
5M
from
Scrambler
AI from AO to
33M
VGS VGS
IC5
CPU
30625MGP346HU
IC7
TC7S08FU-F
RTC
Flash
EEPROM
ROM
IC2
RV5C386A
28M IC6
IC3
AT2425610TI27
33M
Q210
2SK3077F
5T 5T
APC
Tuning
BPF
Tuning
RX AF
Frequency
Adjust
RXEo to
Scrambler
CPUCLK
33M