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SECTION 8
BLOCK DIAGRAM
+5V
IC12_1/2
AM/FM
SW
AMON
FMON
R261
HV
VOL
R261
POWER
SW
IC510
TXV
TXC
REG
IC17
7.2V
+5V
PCON
REG
BATTERY PACK
Q31
R5S
R5C
SW
IC16
+3.3V
REG
IC505,D508
CPU3
REG
DC
SW
PSWIN
PSWO
Q517~Q519
PTT
JACKDET
EXITREGC
MMUTE
BTMICSW
EMBI
Explanatory notes
X501
CPU3
COMMON Line
19.6608MHz
IC501
DATA Line
ECK,EDATA
EEPROM
TX Line
RX Line
Voltage Line (HV)
Voltage Line (VCC)
Voltage Line (+5V)
Voltage Line (+3.3V)
LCD
DS503
+5V
IC14b,Q26
+5V
AGC
AMP
+5V
+5V
IC511
Q22,D11
Q36
IF IC
AM
IF
ANL
DET
AMP
Q35,D45
FM DET
FM
DET
IC15_5
NOISE
D/ A
S OUT
DET
SDATA,SCK,2365_CSN,2365_RST
RSSI
VCC
+5V +3.3V
TXV
PDATA,PCK,PSTB,UNLK
PLL
+5V
SHIFT
IC
IC5
Q7
Q10,Q514,Q515
+5V
RIPPLE
VCO
FIL
SW
+5V
PLLSW
LOOP
FIL
R5S
IC7,Q8
+3.3V
CPU3
CPU3
S500,S502~S504
LOCK
SQLUP
SW
SQLDN
A/D IN
INTPTT
CLONE IN
CLONE OUT
BEEP
FC
ALCC
CPU
BTSW
IC500
BTTEST,H_PTT,HOPC
BTTXD,BTRXD
BT_DEMP,CPU_DEMP
Q503
LIGHTC
LIGHT
CTRL
LSO,LCS,LSMD
LINH,LSCK
DS504,DS505
LCD
+3.3V
CPU3
INT
BACKLIGHT
+5V
KS0~KS3
KR0~KR3
LCD
RESET
MATRIX
DRIVER
KS0~KS3
IC503
IC512
D500~D505
KR0~KR3
D510,D511
+3.3V
IC14a
AGC
AMP
BUFF
R5S
D22,D23
LIMIT
IF
IF
FIL
BPF
AMP
AMP
AMP
Q37,D47
Q27,D48
+5V +3.3V
SDATA,SCK,DASTB
POW,T1,T2
D/A
IC15_0/6/7
+3.3V
+5V
Q20
D21,D26
FC
Q38
BUFF
X1
×3
15.3MHz
45.9MHz
Q17
BUFF
RX-VCO
208.000~209.625MHz
154.350~183.34166MHz
Q13,D6,D7
Q15
BUFF
TX-VCO
Q14,D4,D5
IC19
118.000~136.99166MHz
LPF
+5V
AMP
IC4b
HV
BEEP
IC509
BT3V
+3.3V
RESET
REG
IC508,D510
BTMIC
Bluetooth
BTAF
BUFF
IC506
IC507
DS1~DS6
Q508~Q510
KEY
BACKLIGHT
+5V
S1~S16
KEYBOARD
FRONT UNIT
8-1
MAIN UNIT
+5V
FI3
XTAL
R5S
R5S
BPF
D24,D25
D29,D30
46.350MHz Wide
Q29
FIL
RF
BPF
SW
SW
AMP
FI4
Q34
XTAL
BPF
46.350MHz Narrow
208.000~209.625MHz
154.350~183.34166MHz
ATT
TXV
Q28
Q30
PRE
DRIVE
LO-SW
ATT
DRIVE
AMP
118.000~136.99166MHz
R5S
TXV
BTMIC
+5V
Q9
ALC
ALCC
CONTROL
+5V
+5V
IC15_2
IC15_1
ALC
AMP
D/A
D/A
AMP
IC4a
IC6
+3.3V
VOX
VOX DET
HPF
IC10,D8
+5V
IC15_3/4
IC1
D/A
BUFF
CLONE IN
CLONE
CLONE OUT
I/O
IC504,Q504
Q505,D509
Q511
JACKDET
JACK
DETECT
Tx:118.000~136.99166MHz
ANT
Rx:108.000~117.975MHz
118.000~136.99166MHz
161.650~163.275MHz
TXV
D38
D31,D35
D40
ANT
BPF
ATT
LPF
SW
D42,D43,D44
HV
Q33
D36,D37
PWR
POWER
D39,D41
LPF
AMP
DET
TXV
IC18
LPF
APC
AMP
POW
MOD
IC12_3
MIC
MUTE
BTMICSW
+3.3V
PAD
MC1
Q513
Q23
MIC
MIC
EMBI
MUTE
CONTROL
Q19,Q21
D10,D12,D49
MMUTE
VCC
EXT-MIC
REG
EXITREGC
+3.3V
PTT
EXT PTT
DETECT
EXT MIC
Q16,D9
CLONE
VCC
SP1
Q1,Q2
Q522
Q523
AFC
INT SP
AF AMP
ON
REG
IC3,Q512
PWR
AMP
EXT SP
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