5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
VCC_5V
Q611
Q500
1
1
sp Amp
RX-VCO
SF
AMP(TX)
Tone
VOX
D602
U201
Q102
MCU
TUNE BPF
V-SAVE
D503
AFMOD
tone-LPF
X601
DET
power management
D504
U610
Reset
IC
EN
BGR
U605
APC/TUNE
Q103
Q501
RSSI
Mic amp
APC
DATA
VCO
XF1
CTC/CDC
U200
PROCESSER
LPF
U609
5th-LPF
IFAMP2
AF
HPF
CLK
PE
T/R-SW
APC/TUNE
CTC/CDC
5th-HPF
Reset
SW
IF-Amp
To MCU
IC
Q402
MATCH
VREF
De
Emphasis
TX
TUNE BPF
BUFFER
LATCH
U606
1stIF BPF
AF
mute
SAVE
RF MIXER
pre-amplifier
volume
To MCU
LNA
Q403
CDC/CTC
R/TSW
5V
MCU
Q612
mix2
POWERREG
mic mute
RF PA
TX-Vcc
VCC
LIM
(TX)
Q610
TXC
TX-VCO
AUDIO OUT
From MCU
SQ
LPF
D601
/LIGHTING
1/2
32/33
17bitDIV
21bitDIV
1/2
OSC
CP
U202
Pre
Emphasis
RX
PLLEN
PLLDATA
PLLCLK
3
TC-610&620 UHF
BLOCK DIAGRAM
AF-AMP
Q502
U430
7.3728M
7.3728M
green
green
--
-
7.5V
--
-
7.5V
L101
L101
Q6
Q6
1
2
3
Q400
Q400
1
2
3
L102
L102
SW
SW
1
2
3
C504
C504
16
Ω
IW
16
Ω
IW
PTT
PTT
2
1
3
Q101
Q101
Q104
Q104
1
2
3
38.85MHZ
38.85MHZ
L453
1u
L453
1u
C526
C526
C521
C521
MON
BAT
MON
BAT
D100
D100
D101
D101
D507
D507
CF300
CF300
OUT
IN
D104
D104
red
red
L506
L506
Vin
VSS
Vout
L508
L508
L502
L502
D103
D103
Q5
Q5
1
2
3
C505
C505
C519
C519
D505
D505
C506
C506
Q100
Q100
12.8MHZ
12.8MHZ
Q401
Q401
1
2
3
ANTENNA
ANTENNA
2
1
3
L604
L604
D102
D102
mic
MIC
mic
MIC
L501
L501
Содержание POWER446
Страница 1: ...POWER446 ...
Страница 52: ...POWER446 Service Manual 50 Packing Guide ...
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Страница 61: ...8130044600200 http www hytera com ...