77
4.7 V
NC
13 V
2.5Vdc
NC
NC
5V
0V RX
NC
0V
5V
*
16.8 MHz
GND
GND
GND
GND
GND
RAW B+
RAW B+
J301
5V TX
NC
4.7 V
OTHERWISE LOCK
VCO
REF OSC
5V REG
SYNTHESIZER
FRACTN IC
IF IC
NC
0V
2.4 RX
RSSI
SQ OUT
DATA
DISC
2.1 MHz
CLOCK
SYN
4.6V TX
4.7 V
4.6V
4.6V
0V
5V
4.7 V
2.5 Vdc
TO JUMPER
FLEX P301
U205
VCO MOD
BUFFER
NC
NC
NC
NC
NC
MHz
IF SEL
J301
2.8 V
2.4V
2.6V
2.5 Vdc
0.8 V
3.3V
0V OR 5V UNLOCK
LOCK DET
NC
NC
DAC SEL
REF OSC SEL
SYN SEL
VCO MOD
SW B+
16.8
VCO
VCO MOD
2.28V
1.65V
3.65 V
LCK
CLK
D
NC
1.55 V
2.5V
2.4V
3.0V
2.4V
2.5Vdc
C241
0.1uF
.022uF
C246
.022uF
C245
2K
R213
1K
R212
C240
00.1uF
C275
.047uF
C239
0.1uF
C237
0.1uF
C238
0.1uF
4.7uF
C270
C116
0.1uF
0.1uF
C114
C266
3300pF
0.1uF
C257
K1
3
2
K2
K3
1
C256
0.1uF
CR204
A1
4
A2
5
A3
6
36
VCP
9 VMULT1
8 VMULT2
7 VMULT3
6 VMULT4
12
A/D_BYPASS
14
XTAL1
15 XTAL2
21
PREIN
24
PVREF
18
SUPFBASE
17
SUPFCAP
SUPFIN 20
19 SUPFOUT
26 TST1
27 TST2
32 IOUT
41 LOCK
5
MODIN
30 MODOUT
16
WARP
EN 31
43
R_GND1
44
R_GND2
42
DC5V4
4
EN_CE
10 FREFOUT
1
GND1
13
GND2
22
GND3
33
GND4
34 IADAPT
40 AUX4
3
CLK
29
CPBIAS1
28
CPBIAS2
2
DATA
11
DC5V1
23
DC5V2
25
DC5V3
U204
35 ADAPTSW
37 AUX1
AUX2
38
39 AUX3
2.7K
R33
C57
43pF
C56
43pF
Q1
1
3
2
.022uF
C209
TRB
4 TX
16
TXBB
VC
C
3
15nH
L204
11
GND
14 NC
PRE
15
13
RBY
2 RX
8 SW1
10 SW2
7
6
FLIP
1
GND
5
GND
12
GND
9
IN
C294
33pF
U201
10uF
C271
C227
C34
0.1uF
33pF
10K
R21
33K
R22
1.5K
R23
VOPT
11
VREG
Q4
1
3
2
15
NC8
16
NC9
22
SCK
25
SI
21 SO
24
SS
VDD
13
12
31 NC17
NC18
32
2
NC2
3
NC3
4
NC4
NC5 5
6
NC6
14
VDD2
1
NC1
17 NC10
18 NC11
19 NC12
20 NC13
NC14
28
29 NC15
30 NC16
7 CEXT
27
DCWARP
9
DE
8 DET
EN_CE
23
10 FOUT
VSSD/VSSA
26
U203
33pF
10uF
C253
C251
0.1uF
C279
C250
0.1uF
C214
1K
R221
2.7pF
.022uF
2
GND
4
GND1
3
OUT
1
IN
C36
C38
FREQ=73.35MHz
FL1
1.5uH
L22
3.9pF
C37
.022uF
51K
R214
39K
R215
10uH
510pF
C24
L209
0.1uF
C9
0.1uF
C60
C87
R32
0.1uF
R34
47K
2.7K
C65
0.1uF
10uF
C125
C1
FEEDBACK 7
GND
4
INPUT 8
OUTPUT
1
SENSE
2
SHUTDOWN 3
0.1uF
VCO 5V
VI BYPASS
25
U202
5V_TAP
6
5 ERROR
RAMP CAP
22
REF CLK
RSSI FLT
10
9 RSSI OUT
28
SUM DEMOD
VAG
30
VAG1
39
VCC 2_5V
27
12
GND DP2
GND PREAM
P
3
HF DEMOD
29
IOUT
18
OFFSET LOOP 5V
23
PREAMPOUT
5
2
4
PREAMP 5V
PREAMP IN
24
DM BYP
DM IN
6
EMIT
13
GND
1
16
GND DIEPAD3
GND DIEPAD4
26
GND DIEPAD5
41
GND DP1
8
15
C3POS
C4NEG 31
C4POS 32
CEX
21
CHARGE PUMP 5V
11
CLK
20
COL
17
DATA
19
7
AGC
40
14 BASE
37
C1 NEG
38
C1 PO
S
C2NEG 35
C2 PO
S
36
33
C3NEG
34
U3
39pF
CR5
39pF
C55
C54
L24
47K
R35
180nH
5
7
3
17
C284
.022uF
C274
1K
R222
.047uF
C260
C201
4.7pF
R201
0
3pF
C205
33pF
C204
C202
20pF
0.1uF
C61
100pF
C2
510
L23
1.5uH
R36
C301
C35
47pF
.022uF
.022uF
C255
C280
820nH
L20
.022uF
0.1uF
0.1uF
C96
C314
C62
C48
430pF
33pF
0.22uF
C43
C42
0.22uF
0.22uF
C44
0.22uF
C45
C46
0.1uF
C305
33pF
0
R37
C306
33pF
12
11
13
10
C41
0.1uF
6
100pF
3300pF
C40
1
2
3
C3
CR4
1.1K
R1
4
C302
33pF
20
1
9
8
C126
.022uF
20 V
VR101
2
3
1
33pF
C309
3300pF
C152
33pF
C304
C308
33pF
33pF
C310
C289
43pF
C312
33pF
0.15uF
C53
200K
R25
C52
.018uF
R17
20K
D
R1=
47K
1
3
2
2.2pF
C58
2.1MHz
LCK
B+
CLK
LO
0.1uF
C47
3pF
C211
0.33uF
C49
R220
15K
C233
.022uF
C231
33pF
38
SW
2
C254
10uF
56
GND50
57
GND51
6
GND6
7
GND7
8
GND8
GND9
9
RFOU
T
10
11
SW
1
49
GND43
50
GND44
51
GND45
52
GND46
53
GND47
54
GND48
GND49
55
5
GND5
40
GND36
41
GND37
42
GND38
43
GND39
4
GND4
45
GND40
46
GND41
47
GND42
32
GND29
3
GND3
33
GND30
34
GND31
35
GND32
36
GND33
37
GND34
39
GND35
24
GND21
25
GND22
26
GND23
27
GND24
28
GND25
29
GND26
30
GND27
31
GND28
17
GND1
4
18
GND1
5
19
GND1
6
20
GND17
21
GND18
22
GND19
2
GND2
23
GND20
48
BPOS
14
CNTRL
1
44
CNTRL
2
1
GND1
12
GND1
0
13
GND1
1
15
GND1
2
16
GND1
3
L36
2.1MHz
DAC_SEL
F1
32V
1A
TP201
1
180nH
16
19
18
3300pF
C303
1200pF
C247
C225
33pF
33pF
C230
C311
3300pF
0.1uF
C258
R16
2.7K
33pF
15
BATT+
BATT-
NC
C313
33pF
C228
3300pF
C267
14
.022uF
C236
.022uF
AGC
5VREG
5VREG
5VREG
C219
33pF
C307
5VREG
8.2pF
51
R211
C95
IF
D
CLK
Tx_RF
B+
B+
LCK
63B81097C05-O
Sheet 2 of 2
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
NUF6410B/C, NUF6498B/C, NUF6500B/C AND NUF6501C (800MHz)
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: ......