65
SYNTHESIZER
U204
ZIF
U3
U201
VCO BUFFER
U203
REF OSC
16.8 MHz
C310
C284
C280
GND
GND
0V
5V
2.0Vdc
-37dBm (RX) (NOTE 4)
1.5Vdc
1.8Vdc typical
5V
0V
1.6Vdc
-31dBm (NOTE 4)
2.5Vdc
16.8MHz
(using 10 pF)
.01uF
20
SIN
19
SOUT
26
TST1
27
TST2
36
VCP
9
VMULT1
8
VMULT2
7
VMULT3
6
VMULT4
16
WARP
14
XTAL1
15
XTAL2
C274
100pF
C277
L216
39nH
R42
*
16
330pF
-31 dBm
2.4Vdc (TX)
DURING
1-4pF
LOCK=5V
-25dBm
4.5Vdc
-16dBm
2.2Vdc (RX)
0Vdc (TX)
1.7Vdc
2.6Vdc
TO P301
0.7Vdc (RX)
NC
IS_B+
1.0A
RAW_B+
GND
DISC
DATA
NC
NC
1kHz
280mVpp/kHz
2.1MHz/2.4MHZ
1.8Vdc (RX)
1.7Vdc (TX)
7.5Vdc (TX), 178MHz
(16.8MHz)
NC
PROGRAMING
44.85MHz
5.0Vdc (TX), 136MHz
5V
4.5Vdc (TX)
NC
NC
NC
1.6Vdc
*
LOCK_DET
RSSI
REF_OSC_SEL
1-4pF
*
*
1 Vpp
NC
2.5Vdc
2.8Vdc
CLOCK
SQ_OUT
1200mVpp
IF_SEL
RAW B+
*
*
13Vdc
3
5
2
6
1
(shield in place)
-7.8 Vdc(Rx) (Note 5)
Else 0 Vdc (Note 6)
-7.8 Vdc(Tx) (Note 5)
NC
VCO_MOD
3.3Vdc
2.4Vdc
DAC_SEL
7.5Vdc (RX), 178MHz
5V REG
-18dBm
UNLOCK=0V
*
5.0Vdc (RX), 136MHz
TP5 VCTRL
5Vpp (Note 5)
0Vdc (Rx, Tx) (Note 6)
GND
GND
Else 4.4 Vdc (Note 5)
2.8Vdc
-56dBm (NOTE 4)
3.4Vdc
1.6Vdc
PINS 31-38 = 2.5Vdc
2.9Vdc (RX) (NOTE 2)
NC
NC
NC
GND
1.2Vdc
44.85MHz (NOTE 4)
NC
-17dBm(TX)
2.8Vdc
4Vpp
NC
NC
SW_B+
DEVIATION
0.1Vdc (RX)
5Vdc
7.5Vdc
SYN_SEL
NC
1.3Vdc
1.7Vdc
2.5Vdc
NC
2.5Vdc
82nH
NC
*
3.6Vdc
0V OR 5Vdc UNLOCK
3.8Vdc
-38dBm
4
330pF
2.1MHz
0.1uF
C47
C270
1000pF
J301-13
J301-10
J301-14
J301-15
20K
R206
R40
270
47pF
C34
DAC
L19
270nH
Q4
1
3
2
C258
4.7uF
5V_REG
SB+
TP5
C250
1000pF
R222
1.2K
0.22uF
C259
R218
100K
C50
0.1uF
1uH
330pF
C286
L208
L33
R209
510
20K
R17
2.2uH
R212
620
270
R213
R211
62
15pF
C220
R221
4.7K
J301-2
2.7K
R16
R208
0.15uF
J301-19
C53
C305
100pF
100pF
C308
C285
330pF
SO
24
SS
13
VDD
14
VDD2
12
VOPT
11
VREG
390nH
L222
NC13
28
NC14
29
NC15
30
NC16
31
NC17
32
NC18
2
NC2
3
NC3
4
NC4
5
NC5
6
NC6
15
NC7
16
NC8
17
NC9
25
S1
22
SCK
21
23
CE
7
CEXT
9
DE
8
DET
10
FOUT
26
GND
1
NC1
18
NC10
19
NC11
20
NC12
27
CLK
.018uF
C52
1
3
2
C266
.01uF
Q1
7
GND
4
INPUT
8
OUTPUT
1
SENSE
2
SHUTDOWN
3
Q202
U202
6
5V_TAP
5
ERROR
FEEDBACK
1A
32V
F1
C211
330pF
C208
6.2pF
C251
330pF
1uH
J301-11
GND1
8
NC
16
PS
15
RBY
2
RX_OUT
7
S1
14
S2
6
SV1
5
TRB
4
TX_OUT
10
VC
3
VCC
L215
C54
11
B2
9
C
12
E2
13
GND
1
330pF
7.5pF
C222
30K
J301-17
.022uF
R205
C289
.022uF
C210
47K
430pF
C48
R35
0.22uF
C44
0.22uF
C45
0.1uF
C61
R51
200K
10uF
C253
C309
3300pF
22nH
L219
C240
1pF
C201
0.1uF
C63
47K
R34
C271
D
SYN
D
LCK
4.7uF
470nH
L24
CR202
1uH
L209
1uH
1uH
L302
L301
30K
330pF
C204
R215
C62
J301-12
27pF
C55
CR206
1
3
2
.01uF
C252
CR5
L204
L212
1uH
C206
620pF
C233
330pF
C214
330pF
.022uF
C246
C288
C60
0.1uF
L211
56nH
J301-5
J301-4
J301-7
C267
.01uF
GND1
4
OUT
3
1
IN
CR203
FL1
GND
2
.022uF
.022uF
C244
Q5
R1=47K
C291
C96
43pF
C56
.01uF
0
4.3pF
C39
20K
C36
C254
4.7uF
R204
C125
3.3uF
1000pF
510
C255
100pF
LCK
CLK
2.1MHz
R43
C307
43pF
C57
10pF
C219
C294
330pF
J301-3
C223
R210
510
R73
10K
R220
2K
2.7K
R32
15K
R44
1000pF
2.2pF
C58
C236
11pF
C245
C306
100pF
3300pF
C311
22
D
5V_REG
R203
C228
330pF
C38
2.7pF
13pF
5.6pF
C237
D
C213
L221
390nH
L225
L224
270nH
0.22uF
C46
39
2.2uH
A2
5
A3
4
K1
1
K2
2
K3
3
K2
K3
CR205
A1
6
A1
A2
A3
K1
R223
CR204
R217
47K
0.1uF
30K
TP10
C248
R207
20K
C292
.022uF
GND3
15
GND4
16 26
GND5
41
GND6
GND_PREAM
P
3
LO_IN
14
PEAMP_5V
4
PEAMP_OUT
5
PREAMPIN
2
RAMPCAP
24
RSSI_FLT
10
RSSI_OUT
9
SQ
29
VIBYPASS
25
Vc
18
Vpp
12
C1NEG
37
C1POS
38
C2NEG
35
C2POS
36
C3NEG
33
C3POS
34
C4NEG
31
C4POS
32
CE
21
CLK
20
DATA
19
DISC
28
DM_BYP
7
DM_IN
6
GND1
1
GND2
8
+2.5V1
27
+2.5V2
30
+5V1
11
+5V2
13
+5V3
17
+5V4
23
16.8MHz
22
2.5V
AGC
40
Q201
D
S
CLK
J301-9
C227
330pF
CR208
CR201
12pF
C230
C256
R214
43K
R41
.01uF
22
J301-18
J301-8
C293
J301-16
C303
J301-1
.022uF
C304
J301-20
0.22uF
C43
330pF
C42
0.22uF
3.9K
R50
R45
1uH
L22
51K
22
R219
.01uF
C65
5V_REG
B+
L23
1.8uH
2.2uH
L25
.01uF
C70
100pF
C40
J301-6
10uF
C35
47pF
C49
0.33uF
C231
C257
30pF
.01uF
C243
24pF
C241
C226
62pF
C203
C205
5.1pF
1.6pF
3pF
2.7K
R33
C225
SYN
47K
R46
22
R47
1000pF
C238
CR207
C221
330pF
L210
27nH
9.1pF
C33
C247
1uF
270
3pF
C287
4
EN_CE
10
FREFOUT
1
GND1
13
GND2
22
GND3
33
GND4
34
IADAPT
32
IOUT
41
LOCK
5
MODIN
30
MODOUT
21
PREIN
24
PVREF
43
R_GND1
44
R_GND2
18
SBASE
35
ADAPTTSW
12
AD_BYPASS
37
AUX1
38
AUX2
39
AUX3
40
AUX4
17
CAP
3
CLK
29
CPBIAS1
28
CPBIAS2
2
DATA
DC5V1
11
23
DC5V2
DC5V3
25
42
DC5V4
31
EN
.039uF
C260
10pF
C202
180nH
L223
1.5K
R49
1.2uH
L20
L217
1uH
BATT-
3
NC
C235
15pF
0.1uF
C209
1
BATT+
2
C315
330pF
C314
L220
150nH
0.1uF
C41
18pF
C95
L205
33nH
33nH
L201
L218
1uH
1uH
L213
C212
IF
AGC
TX_LO
RX_LO
63B81097C02-O
Sheet 2 of 2
NUD7091B, NUD7092B, NUD/PMUD7095B, AND NUD7096B VHF (136-178 MHz)
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: ......