Kenwood NX-300S Service Manual page 100

TX-RX unit (X57-7830-11)
CN900
I2CCK
I2CSDA
Temp.
33C
Sensor
VC
TCXO_MOD VC
TCXO
IC501 X500 19.2MHz
TLV2381IDBV
PLD
Q901
SSM6L05FU-F
DC SW
SBC
Q904 SSM5H01TU-F
IC901 XC9101D09AK-G
DCDC
Converter
IC902
TK11250CUCB
AVR
/SAVE
IC903 TK71733S
38M
AVR
Q902 SSM6L05FU-F
DC SW
5RC
Q903 SSM6L05FU-F
DC SW
Q905 2SA1955A-F
DC SW
/5TC
IC900
TC75S51FE(F)
IFC
33C
Q507
2SC5383-T111
Ripple
50C
Filter
IC500 T/R
Q510 SSM6L05FU-F
/T_R
LM73CIMKX-0 SW
Q511 2SJ347F
IC502
SKY72310-362
Loop
VCO
Filter
PLL
Q504
Q508,509 2SK508NV(K52)
2SK879-F(Y)
D506,507 1SV325F
CV D519 1SV278F
D511,516,517
IC504
1SV282-F
TC75W51FUF(1/2)
D510,514,515
VCO MOD
1SV290B-F
+B
150C
Q503
Ripple 2SC5383-T111
SB3
Filter
ASSIST
IC503
TLV2381IDBV
LPF
150C
Q700 2SC5108(Y)F
x3
50C CF700 450kHz
50R
BPF
IC700 CF701
MCP6021-E/OT 450kHz
IF AMP
IF
33C
IF_DET BPF IC701
AMP
TK10931VTL-G
SBC
50R
50IF
50IF
50T /EMG SB3
LED_R
LED_G
Q512 Q600 D600,601
2SC5636 2SC5636 HSC277x2
BUFF BUFF T/R
AMP AMP SW
LPF
TV2
Q701 XF700 Q703
2SC4215-F(Y) 58.05MHz 3SK318
IF 1st
MCF
AMP MIXER
CN901
PTT
Side_1
DC
Side_2
SW
Side_G
Q601 Q602 Q603 Q606
2SC5636 2SK3077F RD01MUS1-T113 RD07MVS1BT122
Pre- Pre-
Drive Final
Drive Final
AMP AMP
AMP AMP
Q610
EMD5
Q604
DC SW DC SW
2SC5383-T111
/DSW
IC600 APC
TA75W01FUF
150C
Q607 Q608
Q704 RT1N441U-T111 2SK1824-A
2SC5383-T111
DC SW Protect
Ripple
Q605
Filter SSM3K15TE(F)
/APCSW
IC703
IC702
TLV2381IDBV
TLV2381IDBV TV1
TUNE TUNE TUNE
Q705
3SK318
RF
BPF BPF Notch
AMP
L713,714,715 L721,722 L726
PTT
Side1
Side2
TX/RX: 400~470MHz
D606,607
D709,711
HVC131x4
ANT
LPF
SW
/APCSW
+B
ASQ
APC
IC504
TC75W51FUF(2/2)
50R
+
+B
BATT
7.5V
–
S_DET S