Kenwood NX-203 Service Manual page 94

NX-203
TX-RX unit (X57-8950-11)
CN400
94
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 XC9101D09AK-G
DCDC
150C
Converter
D404/405
IC400 1PMT5929BT1G
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
PLL Q12
2SK879-F(Y)
CV
IC4
TC75W51FUF(1/2)
VCO MOD
Q3
2SC5383-T111
IC2
LMC7101BIM5
ASSIST
Q201 2SC5108(Y)F D2,3
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
2SC5636
1SV282-F*6
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