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SECTION 10
BLOCK DIAGRAM
X1
FI3: CFWM450E
CDBC450CX24
CERAMIC
IF
BPF
AMP
IC1: TA31136FN
FMDET
S OUT
NOISE
DET
RF
MAIN
EEPROM
IC300: BR24C02
+3V
DS301:
CL-200YG
CPU
LED
DRV
Q302: DTA114EU
S304
PTT
S300
UP
S301
DOWN
S302
MODE
S303
POWER
2nd.Lo:
21.25MHz
VCO3
VCO3
Q8: 2SC5108
VCO
D8, D9: 1SV284
UNKOCK
PLL
LOOP
DATA, CK, STB
IC
FIL
IC2: TB31202FN
TX: 433.075 - 434.775MHz
RX: 411.375 - 413.075MHz
FIN
X2: CR-633A
Q9: 2SC4117
D12: HVC376B
REF
SHIFT
OSC.
Q13: 2SC4213
MUTE
R+3
FC
Q12: 2SJ144
IC3(3): BH2220FVM
MOD
D/A
VOL
+3V
MOD
BEEP
X300:
CR-465
IC301 : PD78F9418AGK-9EU
PSC
D309,D310,D313:
MA2S111
MATRIX
LCD
DS300: L2-0494TAY
10 - 1
R+3
R+3
FI2: FL-298
1st.MIX
IF
XTAL
AMP
BPF
Q2: 2SC4226
Q3: 2SC4215
1st IF: 21.7MHz
VCO3
1st.Lo: 411.375 - 413.075MHz
LO
BUFF
ATT
SW
Q7: 2SC5108
T+3
R+3
VCO3
Q10: 2SA1586
VCO
Q11: 2SC4116
D/A
REG
D10/D11: MA2S111
IC3(1): BH2220FVM
PSC
VCC
CTCSS
MICIN
TONE-FIL
MIC-AMP
De-emphasis
AFOUT
Pre-emphasis
SCREMBLER
IDC-AMP
LPF
IC304: AK2342B
AFV
T+3
+3V
LPF
D302, D303,
D304: MA2S111
Q307: 2SA1362
Q305: 2SC4116
Q306: 2SC4116
Q308: 2SB798
T+3
AF
CURRENT
CURRENT
REG
AMP
C3V
TEMP
CURRENT
SENS
Q303: UMZ2N
D301: MA2S111
T+3
R+3
FI1: NSVS972
RF
TX/RX
BPF
AMP
SW
Q1: 2SC5194
D1, D2, D3: MA2S077
D4: MA2S728
D6, D7: MA2S077
T+3
T+3
DRIVE
PWR
AMP
AMP
Q5: 2SC3356
Q4: 2SK3078A
Q6: 2SC4228
D6, D7: MA2S077
PC
D5: MA2S728
D/A
IC3(2): BH2220FVM
Q313: 2SK1829
MIC
MUTE
PTT
SENSE
Q310: DTA113ZU
Q309: DTC114TU
AFV
Q316: 2SJ144
R406
AF
AF
AMP
MUTE
RV-244
IC305: NJM2070
MICIN
C3V
CHG
V-SENS
Q318: DTC144YU
D317: MA2S111
D306:
R+3
C3V
VCC
RB551V
IC302: R3112N281A
6V/
CHARG
BATT
BATT
R+3
SW
RESET
D307:
AMP
MA2S728
Q304: 2SA1586
CHGC
+3V
+3
POW
REG
SW
AMP
Q315: HAT1023R
IC303: R1121N301B
VCC
SENS
ANTENNA
HPF
LPF
TX/RX: 433.075 - 434.775MHz
KUC3523
MC300
Q317: DTC144EU
PTT SW
J303
J301
VOL
MUTE
Q311: 2SC4213
SP300
SDRD-3650P
DC 6V in
J302
D308: MA133
D305: SB07-03C
Q314: 2SB1132
Q312: DTC144EU
S305
COMMON
TX
RX
DATA
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