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SECTION 10
BLOCK DIAGRAM
RF UNIT
IC2
X2
TA31136FN
CDBCA450CX24
FI3:CFWM450G
IF
CERAMIC
AMP
BPF
FMDET
S OUT
DATA/UNLK, CK, STB
NOISE
UNLOCK
DET
X1
CR-669
(21.25 MHz)
Q15: 2SC4081
Q16: 2SC4081
AF FIL
MAIN UNIT
TXMOD
AF
VOL
Q14
DTA114EU
LED
DRV
DS1
LN1371G
DS2: LD-BU10503J
LCD
CPU
IC1
µPD753036GK
POWER
MODE
UP
DOWN
S1
EEP
VOLT
RESET
ROM
SENS
PTT
IC3: AT24C02N
IC5: S-80928ANMP
X1
CR-627
(5.8368 MHz)
Q1: 2SC4215
FI2: FL-297
2nd MIX
1st IF: 21.7 MHz
IF
XTAL
AMP
BPF
Q13: 2SC4081
Q14: 2SA1586
D8 : 1SS355
2nd.Lo: 21.25 MHz
D9 : 1SS355
IC1
µPD3140GS
Q6: 2SC5108
D4, D5: 1SV284
VCO
PLL
LOOP
FIL
IC
Q12
2SC5006
SHIFT
Q7
2SC4081
TONE
LPF
D/A
Q12
CTCIN
2SC4081
TONE
LPF
MMUT
MICSW
PTT2
RMUT
REMIN
AFON
TXV
RXV
POWER
+3V
CURRENT
AMP
Q25: UMZ2N
D4: 1SS355
+3V
10 - 1
Q2
FI1: NSVS647
3SK284
BPF
1st MIX
VCO
REG
1st.LO
RX Frequency 21.700 MHz
Q8: 2SC4228
LO
PRE
BUFF
BUFF
SW
DRIVE
Q7
Q203
D1: MA77
2SC5108
D2: MA77
2SC5108
R50
MOD LEVEL SET
Q1
DTA144EU
MODSW
IC2A
NJM2100M
+3V
LPF
Q27 : 2SC4081
R+3
T+3
Q18
Q28 : 2SB798
CURRENT
CURRENT
2SA1586
Q101: UMZ1N
IC6
AMP
AMP
D5: 1SS355
S-81230SG
+3
REG
to LOGIC
R+3
T+3
D7: MA2S077
D101: MA2S077
Q3: 2SC5194
D102: MA2S077
RF
ANT
HPF
AMP
SW
TX/RX: Frequency
446.00625 – 446.09375 MHz
Q201: 2SC3356
PWR
DRIVE
AMP
AMP
Q202: XRF9482
R+3
RX-LO
SHUNT SW
POWER SET
R206
D103: MA2S728
IC2B
Q6
Q29: DTC114EU
NJM2100M
2SK1829
MIC
MIC
IDC
MUTE
SW
Q2: UN9214
PTT
Q23
Q3: DTA123JUA
SENSE
2SJ144
VOL
MUTE
D2: 1SS355
IC9
NJM2070M
PROTECTOR
AF
AMP
Q5 : 2SA1362
Q10: 2SC4081
Q11: 2SC4213
AF
MUTE
BATT
COMON LINE
TX LINE
RX LINE
DATA BUS LINE
CHASSIS UNT
ANT
LPF
MIC
MC1
KUC3523
J1
MIC JACK
R58
AF VOL
J3
SP JACK
SP1
BATTERY
CHASSIS UNIT
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