Kenwood NX-300 Service Manual page 158

NX-300
TX-RX unit (X57-7370-11)
CN900
158
BLOCK DIAGRAM /
I2CCK
I2CSDA
IC500
LM73CIMKX-0
Temp.
33C
Sensor
VC
TCXO_MOD
VC
TCXO
X500 19.2MHz
IC501
TLV2381IDBV
PLD
+B
Q901
SSM6L05FU-F
DC SW SB3
SBC
Q904 SSM5H01TU-F
IC901 XC9101D09AKR
DCDC
150C
Converter
IC902
TK11250CUCB
AVR 50C
/SAVE
IC903 TK71733S
38M
AVR 33C
SBC
Q902 SSM6L05FU-F
DC SW 50R
5RC
Q903 SSM6L05FU-F
DC SW 50IF
Q905 2SA1955A-F
DC SW 50T
/5TC
IC900
TC75S51FE(F)
IFC
33C
方块图
Q507
2SC5383-T111
Ripple
50C
Filter
Q510 SSM6L05FU-F
Q511 2SJ347F
IC502
SKY72300-362
Loop
VCO
Filter
PLL
Q504
2SK879-F(Y)
CV
IC504
TC75W51FUF(1/2)
VCO MOD
150C
Q503
2SC5383-T111
Ripple
Filter
ASSIST
IC503
TLV2381IDBV
Q700 2SC5108(Y)F
x3
50R
IC700 CF701
MCP6021-E/OT 450kHz
IF
IF_DET BPF
AMP
50IF
/EMG
LED_R
LED_G
T/R
/T_R
SW
Q512 Q600
2SC5636 2SC5636
BUFF BUFF
AMP AMP
Q508,509 2SK508NV(K52)
D506,507 1SV325F
D519 1SV278F
D511,516,517
1SV282-F
D510,514,515
1SV290B-F
LPF
CF700 450kHz
BPF
Q701
2SC4215-F(Y)
IF AMP
IF
IC701
AMP
TK10931VTL-G
SB3
DC
SW