89
B+
CLK
D
SYN
MHz
CLK
Tx_RF
5VREG
5VREG
D
AGC
5VREG
LO
2.1MHz
2.1MHz
B+
B+
LCK
3.65V
DAC SEL
2.5Vdc
0V
5V
GND
GND
GND
GND
4.7 V
4.7 V
2.5V
16.8 MHz
2.8V TX
3-11V
FLEX P301
DAC_SEL
CLOCK
1.65V
J301
U205
BUFFER
OTHERWISE LOCK
VCO
REF OSC
5V REG
SYNTHESIZER
LCK
CLK
D
NC
LCK
4.6V TX
4.7 V
4.6V
4.6V
4.7 V
NC
13V
2.5Vdc
NC
NC
5V
0V RX
NC
0V
5V
*
16.8
VCO
VCO MOD
2.28V
1.65V
SYN
2.1 MHz
IF SEL
2.5 V dc
2.8 V
2.4V
1.55V
2.5V
2.4V
3.0V
2.4V
0V OR 5V UNLOCK
LOCK DET
NC
NC
NC
NC
NC
NC
NC
VCO MOD
REF OSC
SYN SEL
VCO MOD
SW B+
GND
RAW B+
RAW B+
TO JUMPER
5V TX
NC
4.7 V
63B81097C08-O
Sheet 2 of 2
RSSI
SQ OUT
DATA
DISC
FRACTN IC
IF IC
NC
0V
2.4V RX
.022uF
C245
2.6V
2.56 Vdc
0.8 V
3.3 V
R212
1K
R213
2K
.047uF
C275
0.1uF
C240
0.1uF
0.1uF
C239
C237
C270
0.1uF
C238
4.7uF
C116
0.1uF
0.1uF
C114
C257
3300pF
C266
0.1uF
C256
0.1uF
5
A2
6
A3
3 K1
2 K2
K3
1
XTAL1
XTAL2
15
CR204
4
A1
TST1
26
TST2
27
VCP
36
9
VMULT1
VMULT2
8
VMULT3
7
VMULT4
6
A/D_BYPASS
12
14
43
R_GND2
44
21
PREIN
24
PVREF
18
SUPFBASE
SUPFCAP
17
SUPFIN
20
SUPFOUT
19
33
IADAPT
34
32
IOUT
LOCK
41
MODIN
5
30
MODOUT
WARP
16
EN
31
R_GND1
23
DC5V3
25
42
DC5V4
EN_CE
4
FREFOUT
10
1
GND1
GND2
13
GND3
22
GND4
AUX2
38
39
AUX3
AUX4
40
CLK
3
CPBIAS1
29
28
CPBIAS2
DATA
2
DC5V1
11
DC5V2
17
U204
ADAPTSW
35
AUX1
37
3
1
C126
.022uF
VR101
20V
2
3
0.1uF
C279
0.1uF
C250
3
1K
R221
PRE
RBY 13
RX
2
8 SW1
10 SW2
TRB 7
TX
4
TXBB 16
VC
C
FLIP 6
1
GND
GND
5
GND
12
9
IN
GND 11
NC
14
15
U201
C202
39K
R215
7.5pF
1.5uH
L23
C61
100pF
R36
510
47pF
C35
C280
.022uF
180nH
L20
820nH
L36
IN
1
2.7pF
C36
FL1
FREQ=73.35MHz
GND
2
GND1
4
OUT
3
C38
3.9pF
.022uF
1.5uH
L22
0.22uF
C37
C42
0.22uF
C43
0.22uF
C44
C45
C314
33pF
0.22uF
C58
2.2pF
C47
R214
0.1uF
L209
22K
C244
510pF
10uH
C247
1200pF
33pF
C306
14
33pF
C307
10
12
11
6
13
C41
0.1
uF
C40
100pF
C3
3300pF
CR4
1
2
3
1.1K
R1
33pF
C302
5
4
C236
.022uF
F1
1A
32V
C152
1
3.6pF
33pF
33
C201
R201
3pF
C205
3300pF
C303
3300pF
33pF
C304
C309
2
C289
43pF
33pF
C312
C311
C53
0.15uF
3300pF
200K
R25
2.7K
C52
R16
20K
R17
.018uF
7
R211
51
1
3
2
C246
.022uF
10K
R21
Q4
0.1uF
C46
33pF
C305
R37
0
C204
33pF
C228
C267
3300pF
3pF
33pF
0.33uF
C49
C230
C233
.022uF
C231
33pF
10uF
6
GND7
7
GND8
8
GND9
9
10
RFOU
T
SW1
11
SW2
38
C254
51
GND46
52
GND47
53
GND48
54
55
GND49
GND5
5
56
GND50
57
GND51
GND6
42
GND39
43
GND4
4
GND40
45
GND41
46
GND42
47
GND43
49
50
GND44
GND45
33
GND31
34
GND32
35
GND33
36
GND34
37
GND35
39
GND36
40
GND37
41
GND38
26
GND24
27
GND25
28
GND26
29
GND27
30
GND28
31
GND29
32
3
GND3
GND30
19
GND17
20
GND18
21
GND19
22
GND2
2
GND20
23
GND21
24
25
GND22
GND23
44
GND1
1
GND10
12
GND11
13
GND12
15
GND13
16
GND14
1718
GND15
GND16
BPOS
48
14
CNTRL1
CNTRL2
20
9
8
18
16
430pF
19
0.1uF
C48
C125
C255
C301
.022uF
33pF
.022uF
C308
C310
33pF
C95
8.2pF
C1
10uF
C65
0.1uF
47K
R34
C258
0.1uF
3
2
1
BATT+
BATT-
NC
C62
0.1uF
Q5
R1=
47K
33pF
3pF
C211
C225
C313
R220
15
33pF
15K
.022uF
C214
.022uF
C209
L204
15nH
0.1uF
C241
C260
C227
33pF
.047uF
TP205
1
.022uF
C219
5VREG
C271
10uF
R32
C294
33pF
1 OUTPUT
2 SENSE
3
5
7
SHUTDOWN
2.7K
6 5V_TAP
ERROR FEEDBACK
4
GND
8
INPUT
9 RSSI OUT
28
SUM DEMOD
VAG 30
VAG
1
39
27
VCC 2_5V
12 VCO 5V
25
VI BYPASS
U202
IOUT
23
OFFSET LOOP 5V
PREAMPOUT
5
4
PREAMP 5V
2
PREAMP IN
24
RAMP CAP
22
REF CLK
10 RSSI FLT
GND
16
GND DIEPAD3
GND DIEPAD4
26
41
GND DIEPAD5
8 GND DP1
15
GND DP2
3
GND PREAM
P
29
HF DEMOD
18
21
11
CHARGE PUMP 5V
20
CLK
17
CO
L
19
DATA
7
DM BYP
DM IN
6
13 EMIT
1
37
C1 NEG
38
C1 PO
S
C2NEG 35
C2 PO
S
36
33
C3NEG
34
C3POS
C4NEG 31
32
C4POS
CEX
U3
40
AGC
14
BASE
CR5
L24
C55
39pF
47K
180nH
R35
R33
2.7K
43pF
C57
Q1
1
3
2
C56
43pF
C274
.022uF
C284
R222
1K
0.1uF
C34
33K
R22
NC9
16
22
SCK
SI
25
SO
21
SS
24
13
VDD
12
VOPT
VREG
11
32
NC18
2
NC2
NC3
3
NC4
4
5
NC5
NC6
6
14
VDD2
NC8
15
NC10
17
18
NC11
NC12
19
NC13
20
28
NC14
NC15
29
30
NC16
NC17
31
CEXT
7
27
DCWARP
DE
9
DET
8
23
EN_CE
FOUT
10
VSSD/VSSA
26
NC1
1
U203
10uF
C253
33pF
C251
C96
0.1uF
0.1uF
C2
R23
1.5K
39pF
C54
0.1uF
C60
0.1uF
C9
IF
0.1uF
C87
P404
RF AMP
DOWN
MIXERS
RSS
90 DEG
PHASE
SHIFT
DFM
SECOND
LOCAL
OSCILLATOR
SYNTH
BASEBAND
FILTERS
UP CONVERSION
MIXERS
OMPAC ZIF
TP401
BANDPASS
FILTERS
LIM
DEMOD
MAIN
LOOP
OFFSET
LOOP
SERIAL
DATA
PORT
NUF/PMUF6499D (900MHz)
TRANSCEIVER BOARDS’ SCHEMATIC DIAGRAM (Sheet 2 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: ......