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7-1
SECTION 7
BLOCK DIAGRAM
LPF
PWR
DET
D22,D23
MUTE
SW
Q40
ANT
SW
D19,D27
PWR
AMP
Q38
TX/RX
SW
D16,D17
Q25,
D9,D10
Q27,
D11,D12
RIPPLE
FIL
Q23
VCO
SW
LOOP
FIL
PLL
IC
IC15
×3
Q26
FM
MOD
D13
Q37
BPF
RF
AMP
Q39
APC
AMP
IC17
XTAL
BPF
FI1
IF
AMP
Q33
BUFF
Q31
BUFF
Q30
BUFF
×2
Q32
DRIVE
AMP
Q36
X3
15.3MHz
TCXO
PRE
DRIVE
Q35
LV
D11
LV
D10
BUFF
IC7
VCO
SW
Q28
LPF
BPF
D29
BPF
D21,D30
BPF
D25,D31
F1
1
2
PTT
DET
Q3
AF
AMP
IC1
J2
LPF
IC7
T5
Q17
SP1
+5V
REG
IC20
LED
CTRL
Q21,Q22
REG
Q15
BT1
R155
SHIFT
SW
D6
AF VOL
[PTT]
EEPROM
IC13
MC1
LPF
Q5
Q20,D7
CLONE
BUFF
PWR
CTRL
Q9,Q10
AF
AMP
LPF
IC5
DET
D5
S4
CH
SELECT
RESET
IC8
FIL
SW
Q19
LPF
/SUM
IC11
REG
Q16
J1
X2
AUTO_TX
CTRL
Q1
AMP
IC3
LPF
HR
YG
DS1
BPF
D18
LPF
IC11
IC23
LCD
DRIVER
IC21
LCD
DS2
AMP
LPF
AMP
AMP
LIMIT
AMP
DS3,DS4
DS5,DS6
IC14
BPF
X1
14.7456MHz
MIC
GAIN
IC2
DS7,DS8
DS9,DS10
LED
CTRL
Q41
IC22
CPU5
REG
IC6
+3V
REG
IC24
MP13
SP
SPRING
AF
AMP
D/A
IF IC
LVIN
S5V
R5V
RX VCO
TX VCO
T2
T1
T1
TMUT
IC16
REF
BAL
45.9MHz
DISC
SQIN
46.35MHz
MAIN UNIT
MIXER
LV
LVA
R5C
VCON
VOXV
[F1]
S5C
VCC
R5C
MOD
ATX
+5V
12.288MHz
T5C
BEEP
S5V
EPTT
AFVI
CPU
IC9
CSFT
R5V
CPU5
[F2]
CDEC
DUSE
DISC
IC10
RES
AFON
CTCSS/DTCS DEC
PWON
CENC1 (PWM)
TEMP
IPTT
CTCSS/DTCS
SENC
VCC
VCC
CPU5
S5V
T5V
RSSI
NOIS
KEY1
KEY2
AFO
AFO
MSK
FM/PM
LVIN
RSSI
NDIS
SDEC
VOXV
EPTT
DTMF/5TONE
LVA
T1
T2
LIGHT
SENSOR
REF
KEY
MATRIX
EMPH
EXP
SCRM
EMPH
COMP
SPLT
SDEC
HPF
HPF
MSK
Mod
MSK
De-Mod
IC2
IC4
+5V
CONV
S6~S21
MGC0,
MGC1
AGC
CTRL
Q43
RSSI
353.65~423.65MHz
400.00~470.00MHz
ANT
IC12
CONTROL LINE
COMMON LINE
TX LINE
RX LINE
DATA LINE
Explanatory notes
•
MAIN unit (for #11~#19, #21, #35~#37, and #42~#44)