84
*
*
*
1
2
TO UNIVERSAL
CONNECTOR
EXTERNAL
ANTENNA
NC
NC
NC
3-POLE FILTER
5V
5V
5V
7.4 V RX
4.3 V TX
COUPLER
NC
0V RX
5V TX 0V RX
0V TX 5V RX
0V RX
.37V TX
7.5V RX
0V TX
5V RX
5V TX
0V RX
6.6V TX
7.5V RX
.55- .7 V
ALC
DAC
3.93 V
TX 5V
INDICATES A COMPONENT THAT IS NOT PLACED
RF PA
MIXER
BUFFER
*
3-POLE FILTER
*
ANTENNA
NC
6-6.8V TX
0V RX
5V TX
RF
AMPLIFIER
RF SWITCH
5.1V TX
P402
NC
.43V
.43V
4.7V TX 0V RX
DAC_SEL
63B81097C07-O
Sheet 1 of 2
*
*
U101
D1
TX 12
B1
ANT_SW_BS
C1
BIAS_RT
D5
TEMP_SENSE
A3
RF_DET
E4
RECV_5V
CLK
5VREG
5VREG
LCK
B+
D
AGC
LO
B3
IF
GND
C4
5V_TX
C5
DA_REF
B2
CATH_1
D3
BPOS
U105
ANODE_2
A2
ANODE_
1
C2
B4
PA_OUT
B5
PA_CNTL
E3
PA_BIAS
R105
R4
C138
D
LCK
D4
BIAS_EN
RX_1
D2
C3
INT_CAP_OUT
A4
INT_CAP_IN
E2
ICATH_2
20pF
C121
B+
CLK
Tx_RF
.022uF
C132
33pF
C122
3.3K
R101
C12
3.3pF
C88
C153
2pF
Q101 1
2
3
3.6pF
.022uF
20pF
C140
L127
6.5nH
5.6K
R102
R120
2K
R6
1
PIN2
2
G1
1MEG
CONTACT
J401
PIN1
0
L108
180nH
51K
R128
R199
4
8
5
GND
6
GND1
7
GND2
9
GND3
SWITCH
S101
1
2
3
R5
2
1
4
R113
10K
Q2 *
3
5
C15
.022uF
C5
3300pF
100
R3
33pF
C135
33nH
L105
C150
3.3pF
C137
C151
15pF
4.7pF
2.4pF
L126
180nH
CR109
3
1
2
C149
C141
3.3pF
CR108
3
1
2
GND1
GND2
5
GND3
7
10
GND4
4
R1
9
R2
6
RF_IN
1
RF_OUT
U104
C1
3
C2
8
2
6
GND
GND
8
9
GND
GND
10
GND
11
IN
OUT
GND
2
12
GND
GND
13
1
7
GND
3
4
GND
5
GND
6.8pF
C16
U4
2.4pF
C10
C72
33pF
10K
R28
C13
10uF
180nH
L8
100pF
C11
RF_OUT 7
6
AVDD
10
R27
ABP
4
AG2 5
GND
1
GND
3
GND
8
RF_IN
2
U1
C19
33pF
C31
C8
33pF
270nH
.022uF
C6
L9
CR107
3
1
2
47pF
8.2pF
GND
9 10
GND
11
GND
1
IN
7
OUT
C4
2
GND
GND
12
13
GND
3
GND
4
GND
5
GND
6
GND
8
GND
U5
.022uF
20pF
C7
33pF
C89
C85
C83
100
10uF
C98
R7
T1
1
2
3
5
4
5.1pF
10uF
XFMR
C90
C91
C82
33pF
C84
.022uF
.022uF
.022uF
15V07
1
2
3
5
4
C92
11
12
IFP
14
LOIN
7 RFN
8
RFP
T2
4
BVDD
3
1
GND
5
GND1
6
GND2
GND3
9
GND4
10
GND5
13
IFN
U2
2
BBP
BDIV
33pF
C118
R103
1K
1K
R129
C119
.022uF
C109
C106
C110
33pF
C123
33pF
C115
0.22uF
50K
RT101
C111
33pF
.022uF
33pF
C108
C105
22K
R114
4
C103
1uF
Q108
3
5
2
1
C133
10uF
R104
0
5V
A3
.022uF
C104
C1
SC2
C2
SC3
B1
SC4
SEL
C3
E3
SW1
D1
SW2
E2
SW_C
C4
TX_DA
D3
GND1
E4
GND2
B5
NC
D4
REF_DA
RESET
B3
C5
RX_DA
D5
R_T
D2
SC1
U102
B2
CLK
A2
DATA
B4
EN_ANT
A4
EN_BIAS
CR103
1
2
3
CR101
1
2
3
10K
R110
R111
10K
Q110
1
2
4
3
33pF
C117
33pF
C101
33pF
C120
C102
33pF
C107
0.1uF
RAWB_POS
4
1
RFIN
RFOUT
5
3
SWB_POS
VCONT
2
TO UNIVERSAL
CONNECTOR
EXTERNAL
ANTENNA
NUF6499B/C AND NUF6502B/C (900MHz)
TRANSCEIVER BOARDS’ SCHEMATIC DIAGRAM (Sheet 1 of 2)
Содержание SYMBOL MT2000 Series
Страница 1: ...HT 1000 JT 1000 MT 2000 MTS 2000 and MTX Series Handie Talkie Portable Radios Service Manual ...
Страница 2: ......
Страница 24: ...2 Notes ...
Страница 78: ...56 Notes ...
Страница 147: ...Appendix A 9 Appendix Figure 2 Secure Module Location Detail ...
Страница 169: ......