TK-2302/2302
(
V
)
/2306
38
BLOCK DIAGRAM
Power Switch/
AF Volum
Channel
Selector
R31-0670-15
S60-0440-05
1
2
3
4
5
6
7
8
9
10
11
Tx VCO
Q5:2SK1875-F(V)
Loop
Filter
PLL IC
5C
IC1:
MB15A02PFV2E1
X1:L77-3042-05
PLL_STB
PLL_DAT
PLL_CLK
PLL_UL
12.8MHz
2nd Local:38.40MHz
Ceramic
Filter
CF201:L72-0973-05
2nd IF:450kHz
BUSY
FM
IC
TA31
MOD
Battery
Protector
D301:GN1G
Fuse
F301:
F53-0324-05
2.5A
D303:B30-2315-05
SB
BATT
PTT
SIDE1
SIDE2
EEPROM
5M
EEPCLK
EEPDAT
IC305:BR24L16F-W
PTT
SIDE1
X301:L78-1433-05
14.746MHz
RSSI
5M
IC306:R5F212CCKCMB
MCU
R305
R301
X57-7570-20 (TX-RX UNIT)
LED
LEDRX
LEDTX
TCXO
Tripler
Q2:2SC4774
SIDE2
Q305,Q306:2SC4919
BSHIFT
RDF/FD
OPTDET
PLL_UL
VOX
BATT
QT/DQT_IN
BUSY
RSSI
TH_DET
RXD
Low Pass
Filter
B
5C
5T
5R
5M
Regulator
Regulator
Voltage
Voltage
Switch
Switch
5T_C
5R_C
5C_C
IC303:
XC6209B502PR
LED
D304:B30-2314-05
SB
SB
5R
QTTCXO
Rx VCO
MOD
QTVCO
D4,D8:1SV325F
D9:1SV278F
Q4:2SK1875-F(V)
D3,D6:1SV325F
Switch
Switch
RX_SW
TX_SW
5M
Q7:RT1P430U
Q8:RT1P430U
Oscillator:
272.000~
348.000MHz
Oscillator:
349.700~
425.700MHz
B
SB
AFVOL_IN
AFVOL_OUT
EN1
EN2
EN3
EN4
EN5
IC304:
XC6209B502MR
Reset
Detector
Voltage
IC301:
BD4840FVE
Q304:DTB723YE
Q303:RT1P141U
DET
EN1
EN2
EN3
EN4
EN5
Reset
EEPCLK
DTMF
PCTV
PLL_DAT
PLL_CLK
PLL_STB
5T_C
5C_C
5R_C
W/N
AF_CONT
BSHIFT
QTTCXO
QTVCO
MIC_MUTE
TX_SW
RX_SW
LEDTX
LEDRX
APC_SW
STD
1/2_OSC
TXD
DTRLOADN
TDATA/DTRCLK
SCLK
Q
W/N
Rectifier
D302:
HRC0203C
Rectifier
Q1:KTC4075E(Y,GR)
DC_SW
Switch
Switch
Q301:RT1N441U
Q302:RT1N441U
Shift
Switch
Ceramic
Oscillator
DI/O
EEPDAT