Tc-610/620 Vhf Block Diagram - HYT TC-610 Service Manual

red
green
D602 D601
U605
MB95F108AK
PTT WPFV-GE1
MON
7.3728M晶体
1
BAT
/LIGHTING
X601
POWER-SAVE
V-TX
5V
FMMT717
U606
Q611
Vin Vout
7.5V
SW
601s
L604
TXC
power management

TC-610/620 VHF Block Diagram

TC-610&620 VHF 原理框图
Q103
U609
A T 2 4 C 6 4
Q5
1
Q102
Q6
BUFFER 1
D100
APC/TUNE
L101
D101
D102
L102
D103
Reset
U610
LPF
Reset
IC
1/2
2ndIF BPF
32/33
CF300
17bitDIV
450KHz+/4.5K
OUT IN
To MCU
IFAmp1
U200
FMMT717
RSSI
IFAMP2
AN29160AA
Q610
mix2
PROCESSER
DET
Q612 SQ
tone-LPF
UPA572T
PE
5th-LPF
SAVE
信令输出
De
Emphasis
To MCU
CDC/CTC
Q400
Q104
2SC5108
1 2SC5108 1
1
Q401
2SC4988
3 Amplifier
Q100
2SK508NV
D104
TX-VCO
T/R-SW
Q101
2SK508NV
RX-VCO
12.8MHZ
1stIF BPF
CP OSC
PLLEN
U202
3
PLLDATA
1/2
TB31202
PLLCLK
21bitDIV
VCC
EN
VCO TX RX MCU
LATCH
POWERREG
IC
volume
AF
mute
LIM
VREF
5th-HPF
Mic amp
(TX)
AF
HPF
SF
mic mute
AMP(TX)
AGC
D300 D301
Q301
2 1
3 3 1
1 2
2SC5343E
1SS372 DAN222
M IC
Pre
mic
Emphasis
0
85
RF PA
Q403
Q402
RQA0002
2SK3475
MATCH
2
2
APC
From MCU
38.85MHZ
Q501
C524
XF1
RF MIXER D507
SPVCC
VCC_BAR
C526
VCC
C523
1 L508
CLK
DATA
TUNE BPF
sp Amp
AFMOD
信令输入
AUDIO OUT
SW
0
ANTENNA
LPF
R/TSW
L453
1u
APC/TUNE
LNA
Q500
C521 C
1
D506 D505
D504 D503
C506
C519
C504
L507 L506
L502 L501
TUNE BPF
16Ω IW
U201
AF
AMP