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

5
D
red red
green green
D602 D601
MB95F108AK
PTT PTT WPFV-GE1
MON MON
C
1
BAT BAT
/LIGHTING
V-TX
5V
FMMT717 FMMT717
U606
B
Vin Vout
7.2V 7.2V
SW SW
601s 601s
L604 L604
TXC
power management
A
5
4

TC-610/620 UHF Block Diagram

Q103
U609
A T 2 4 C 6 4
Q5 Q5
1 Q102
BUFFER
1
APC/TUNE
U605
Reset
7.3728M晶体 7.3728M晶体
U610
X601
Reset
IC
2ndIF BPF
CF300 CF300
POWER-SAVE
450KHz+/4.5K 450KHz+/4.5K
OUT IN
To MCU
IFAmp1
FMMT717 FMMT717
RSSI
IFAMP2
Q611
Q610
mix2
DET
Q612 SQ
tone-LPF
UPA572T UPA572T
PE
5th-LPF
SAVE
De
Emphasis
4
3
TC-610&620UHF原理框图
Q400 Q400
Q104 Q104
2SC5108 2SC5108
2SC5108 2SC5108
1 1
1
Q401 Q401
2SC4988 2SC4988
3 Amplifier
Q6 Q6
D100 D100
Q100 Q100
2SK508NV 2SK508NV
L101 L101
D104 D104
D101 D101 TX-VCO
D102 D102
Q101 Q101
2SK508NV 2SK508NV
L102 L102
RX-VCO
D103 D103
12.8MHZ 12.8MHZ
LPF
1/2 CP OSC
PLLEN
U202
3
PLLDATA
32/33 1/2
TB31202
PLLCLK
17bitDIV
21bitDIV
VCC
U200
VCO TX RX
POWERREG
AN29160AA IC
PROCESSER
AF
mute
LIM
VREF
Mic amp 5th-HPF
(TX)
AF
HPF
mic mute
信令输出
Pre
MIC MIC
Emphasis
To MCU
CDC/CTC
0
86
3
2
RF PA
Q403
Q402
RQA0002 RQA0002
2SK3475 2SK3475
2
2
T/R-SW
From MCU
1stIF BPF
38.85MHZ 38.85MHZ
Q501
XF1
RF MIXER
SPVCC
VCC_BAR
VCC
1
CLK
EN DATA
MCU
LATCH
volume
sp Amp
SF
AMP(TX)
AFMOD
信令输入
AUDIO OUT
SW
mic mic
0
2
1
ANTENNA ANTENNA
MATCH R/TSW LPF
L453 L453
1u 1u
APC
APC/TUNE
LNA
Q500
C524 C524 C521 C521 C C
1
D506 D506
D507 D507 D505 D505
D504 D503
C526 C526
C506 C506
C523 C523 C519 C519
C504 C504
L508 L508
L507 L507 L506 L506
L502 L502 L501 L501
TUNE BPF
TUNE BPF
16Ω IW 16Ω IW
U201
AF
AMP
HYT Science&technology Co.Ltd. HYT Science&technology Co.Ltd. HYT Science&technology Co.Ltd.
Model Name: Model Name: Model Name:
TC-610/620 TC-610/620UHF TC-610/620 Page: Page: Page:
1 1 1 of of of 1 1 1
BLOCK DIAGRAM BLOCK DIAGRAM BLOCK DIAGRAM Date: Date: Date:
Part Name: Part Name: Part Name:
Friday, April 06, 2007 Friday, April 06, 2007 Friday, April 06, 2007
File No.: File No.: File No.: Rev: Rev: Rev:
Prepare: Prepare: Prepare: Check: Check: Check:
Approve: Approve: Approve:
1
D
C
B
A
V02 V02 V02