Kenwood TK-5210 Service Manual page 81

TK-5210
X57-6820-XX A/5
(TXRX unit)
F401
FUSE
XC6204B502MR
6.0~9.0V
XC6204B502PR
X57-6820-XX B/5
(Control Unit)
Option Board Connector (VGS,ANI board,Scrambler board)
76
BLOCK DIAGRAM
+B
IC402 Q308 ,Q309
SSM6L05FU,2SJ347
AVR SW VCO Vdd
5CC T/R
5C
IC401 Q402
SSM6L05FU
AVR SW 5R
5RC
PWR
Q401
SSM6L05FU
SW 5T
5TC
33M
Q415
SSM6L05FU
BATTDET
SB
SW
BATT
PWR
Q420
SSM6L05FU
SW
33A
33M 5CC
25D
15D
Q403 , Q416
TPC6102,SSM3K15TE
28M
SW
5M
5MC
15V
RX AF
IC415
TC7MBD3245AFK,
IC416 /IC417
TC7WBD125AFK*2
LCD BUS
BUS SW
5M
IC9
IC11
TC74VHCT244FT
BU4094BCFV 3.3t5V Level Convertor
Universal
Connecter
Shift DAC
Register
(LD)
CLK1,DAT1,STRB1,OE1
5M 5M
X57-6820-XX D/5
(Option Board )
TX : 272.00~348.00 MHz
VCO Vdd
RX : 371.90~447.90 MHz
LOOP Filter
MOD
CVCO
VCO Vdd
CVCO
IC303
ADF4111BCP7
PLL IC
Q306
2SK879(GR,Y)
LD
S33A
5C
VCXO
CLK
CV to CVCO
DAT
CPU
(PLL Assist
STRB
Circuit)
S33A Vcont
S33A
Vcont
(VCXO)
q
MOD
(VCO)
5MCS
LCD BUS
LCS
BATT
BATTDET
CLK,DAT,STRB,OE
IC3
S-80930CNNBG80
Reset
32.768kHz
33M
TX : 136.00~174.00 MHz
TX VCO
Q313 IC304 D102,D210
Q314
µ PB1511TB
2SC5108(Y) HVC131 x2
2SC5108(Y)
T/R
1/2
SW
VCO Vdd
S33A 5C
5R
RX VCO
Q312
2SC5108(Y)
S33A
16.8MHz IC411
DAC
M62364FP
X301
2nd Local
CH2
Adjust
VCXO
Max
CH3
Deviation
Ballance
CH4
Adjust
DAT,CLK,LD
IC412(1/2)
IC411
TC75W51FK
Ballance
fc
DAC
5CH
SUM
DAC
33A 4CH
5M
IC411
RX Audio
Volume
IC408(2/2)
DAC
6CH TC7W66FK
SW
RXEI from
BEEPS
5M
Scrambler
STONE from
AO from AI to
QE-2
VGS VGS
IC5
CPU
30625MPG193GP
X1
RTC
EEPROM
IC1
RV5C386A
28M IC2
29LV160BE90PBT
AT2425610TI27
33M
Q101
2SC5108(Y)
5T
5T
APC
CH8
Tuning
BPF
CH7
Tuning
CH6 RX AF
Frequency
CH5
Adjust
5M AVDref
(2V)
IC411
Max. Deviation
DAC
3CH
5M
IC408(1/2)
TC7W66FK
SW
SCSW RXEo to
Scrambler
33M CPUCLK
IC7
TC7W08FK
Flash
ROM
IC6
33M