88
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
*
LO
AGC
2
5
3
Q2
10K
R113
4
1
C10
10nH
C1 6
B+
CLK
D
LCK
39nH
20pF
C121
Tx_RF
.022uF
C132
33pF
C122
3.3K
R101
C1 2
3.3pF
C8 8
C153
2pF
Q101 1
2
3
3.6pF
C140
.022uF
20pF
R4
C138
L127
6.5nH
R102
5.6K
2K
R120
1MEG
R6
PIN1
1
PIN2
2
G1
180nH
CONTACT
J401
0
L108
51K
R128
R199
3
4
8
5
GND
6
GND1
7
GND2
9
GND3
SWITCH
S101
1
2
R5
C15
.022uF
R3
C5
3300pF
100
L105
33pF
C135
33nH
15pF
C150
3.3pF
4.7pF
C137
C151
180nH
C149
2.4pF
L126
CR109
3
1
2
2
C141
3.3pF
RF_IN
1
RF_OUT
CR108
3
1
3
C2
8
2
GND1
GND2
5
GND3
7
10
GND4
4
R1 9
R2
6
7
OUT
U104
C1
4
GND
5
GND
6 8 9
GND
GND
GND
GND
10
GND
11
IN
1
GND
2
12
GND
GND
13
GND
3
C7 2
33pF
U4
10K
R2 8
C13
10uF
180nH
L8
100pF
C11
RF_OUT 7
6
AVDD
10
R2 7
ABP
4
AG2 5
1
GND
GND
3
GND
8
RF_IN
2
U1
C1 9
33pF
C3 1
C8
33pF
270nH
.022uF
C6
L9
CR107
3
1
2
47pF
8.2pF
GND
10
GND
11
GND
1
IN
7
OUT
C4
2
GND
GND
12
13
GND
3
GND
4
GND
5
GND
6
GND
9
8
GND
U5
.022uF
20pF
C7
33pF
C8 9
C8 5
C8 3
100
10uF
C9 8
R7
T1
1
2
3
5
4
5.1pF
10uF
XFMR
C9 0
C9 1
C8 2
33pF
C8 4
.022uF
.022uF
.022uF
15V07
1
2
3
5
4
C9 2
11
12
IFP
14
LOIN
7 RFN
8 RFP
T2
4
BVD
D
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
R105
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
C3
SEL
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
A3
RF_DET
D5
TEMP_SENSE
C1
BIAS_RT
B1
ANT_SW_BS
D1
TX 12
U105
A4
INT_CAP_IN
C3
INT_CAP_OUT
RX_1 D2
D4
BIAS_EN
E3
PA_BIAS
B5
PA_CNTL
B4
PA_OUT
E4
RECV_5V
A2
ANODE_1
C2
ANODE_2
D3
BPOS
B2
CATH_1
C5
DA_REF
C4
5V_T X
B3
GND
E2
ICATH_2
IF
U101
CLK
5VREG
5VREG
LCK
Tx_RF
D
AGC
LO
B+
TO UNIVERSAL
CONNECTOR
EXTERNAL
ANTENNA
63B81097C08-O
Sheet 1 of 2
NUF/PMUF6499D (900MHz)
TRANSCEIVER BOARDS’ SCHEMATIC DIAGRAM (Sheet 1 of 2)
Summary of Contents for SYMBOL MT2000 Series
Page 1: ...HT 1000 JT 1000 MT 2000 MTS 2000 and MTX Series Handie Talkie Portable Radios Service Manual ...
Page 2: ......
Page 24: ...2 Notes ...
Page 78: ...56 Notes ...
Page 147: ...Appendix A 9 Appendix Figure 2 Secure Module Location Detail ...
Page 169: ......