Kenwood TK-5220 K Service Manual page 90

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TK-5220
TX-RX unit (X57-7820-10)
CN400
90
BLOCK DIAGRAM
I2CCK
I2CSDA
IC1
LM73CIMKX-0
Temp.
33C
Sensor
VC
TCXO_MOD
VC
TCXO
IC5
X1 19.2MHz
TLV2381IDBV
PLD
+B
Q403
SSM6L05FU-F
DC SW
SB3
SBC
Q404 SSM5H01TU-F
IC402 XC9101D09AKR
DCDC
150C
Converter
IC400
TK11250CUCB
AVR
50C
/SAVE
IC403 TK71733S
38M
AVR
33C
SBC
Q401 SSM6L05FU-F
DC SW
50R
5RC
Q402 SSM6L05FU-F
DC SW
50IF
Q405 2SA1955A-F
DC SW
50T
/5TC
IC401
TC75S51FE(F)
IFC
33C
Q6
2SC5383-T111
Ripple
50C
Filter
Q7 SSM6L05FU-F
Q9 2SJ347F
IC3
SKY72300-362
Loop
VCO
Filter
Q12
PLL
2SK879-F(Y)
CV
IC4
TC75W51FUF(1/2)
VCO MOD
150C
Q3
2SC5383-T111
Ripple
Filter
IC2
LMC7101BIM5
ASSIST
D2,3
Q201 2SC5108(Y)F
HVC131*2
x3
50R
IC203
CF201
MCP6021-E/OT
450kHz
IF
IF_DET
BPF
AMP
50IF
/EMG
LED_R
LED_G
T/R
/T_R
SW
Q100
2SC5636
BUFF
BUFF
AMP
AMP
Q11
2SC5636
Q8,10 2SK508NV(K52)
D8 1SV325F
BUFF
D13 HVC376B
AMP
D18 1SV278-F
D9,12,14,15,16,17
Q4
1SV282-F*6
2SC5636
L2,6,30
BPF(RX)
RF
RF
SW
L3,5,7
SW
BPF(TX)
D5,6
HVC131*2
CF200 450kHz
BPF
Q202
2SC4215-F(Y)
IF AMP
IF
IC202
AMP
TK10931VTL-G
SB3
DC
SW
50C

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