Service Manual Part 7
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ABCDEFGHI J KL MNOPQRSTUVW
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ABCDEFGHI J KL MNOPQRSTUVW
REV/ISS AMENDMENTS DATEAPVDD.O.CHKDDRAWN
NO.SHEETS:FILE NAME:
TAIT ELECTRONICS
IPN:
FILE DATE:
ISSUE: ID:
2.SC.
PROJECT: DESIGNER:
1
2
T2000-200 MID-BAND MOBILE RADIO
WITH DUAL-BAND OPTION
2K2MBL0A
220-01202-10
18-10-96
A
T2000 JOE
5A MODS TO NOISE-BLANKER & CHANGED BBY40 DIODES TO BB249 J.F. J.F. M.L. 18/9/92
6A ADDED NOISE-BLANKER. ADDED R420A & R421A. J.F. J.F. M.L. 28/10/92
6B CHANGED NOISE BLANKER VARIANTS. J.F. J.F. M.L. 26/11/92
LOCK=5V
UNLOCK=0V
RX-FREQ
66MHZ
88MHZ
CONTROL-VOLTS
3V7
7V0
FREQ
66MHZ
88MHZ
TYP:4V0.DC.@-70DBM.INPUT
7A MODS TO IMPROVE MANUFACTURABILITY. MC KB DE MB 24/7/93
RX=4V2
TX=5V9
7D CAD-WANG. MC
8A ADDED PROGRAMMABLE BAND-WIDTH CCTRY. J.F. J.F. 29/8/94
TX=0V7
RX=0V
TYP:650MV.P-P.@-70DBM.INPUT
1V.P-P.TYP
@.60%-MOD’
CONTROL-VOLTS
TX
4V6
10V6
6V.P-P.MAX
RX
7V4
14V0
RX-FREQ
66MHZ
88MHZ
TX:12V0
CNTRL-VOLTS
5V8
12V8’
*BAND
NARROW
MID
WIDE
DUAL-BAND
*R133
-
-
-
3K9S
*R135
-
-
-
220KS
*R139
-
-
-
10KS
*R151
3K3S
3K3S
3K3S’
1K5S
*R152
390KS
390KS
390KS
220KS
*R154
-
-
-
22KS
*R162
0S
0S
0S
18KS
*R163
0S
0S
0S
3K3S
TX:8V0
*R164
-
-
-
470KS
*R165
-
-
-
560KS
*R166
-
-
-
22KS
*R167
-
-
-
10KS
*R168
-
-
-
6K8S
*R170
-
-
-
2K2S
*R194
0S
0S
0S
390KS
*C120
-
-
-
47UFI16A
*C189
470PS
470PS
470PS
150PS
*C190
470PS
470PS
470PS
150PS
0V.AT.REST
9A CREATED A VARIANT TABLE FOR DUAL BAND. YH 25/5/95
*Q119
-
-
-
BC848
*Q118
-
-
-
BC848
*Q117
-
-
-
BC848
*Q116
-
-
-
BFR31
10A ADDED CAPS FOR EMC DBH
8V0.AT.REST
TYP:3V1.DC
@-70DBM.INPUT
10A IMPROVED TEXT PLACEMENT RPS
*C120
47U
*C189
470P
*C190
470P
D
S
G
*Q116
BFR31
*Q117
BC848
*Q118
BC848
*Q119
BC848
*R133
3K9
*R135
220K
*R139
10K
*R151
3K3
*R152
390K
*R154
22K
*R162
0
*R163
0
*R164
470K
*R165
560K
*R166
22K
*R167
10K
*R168
6K8
*R170
2K2
*R194
0
C1
1N0
C100
10N
C101
56P
C102
180P
C103
10N
C104
100N
C105
10P
C106
1N0
C107
100P
C108
1N0
C109
27P
C110
270P
C111
1N0
C112
33P
C113
270P
C114
1N0
C115
27P
C116
1N0
C121
100P
C122
1N0
C123
10N
C124
22P
C125
12P
C126
22P
C127
39P
C128
10N
C129
10N
C130
10N
C134
39P
C135
180P
C136
5P6
C137
180P
C138
10N
C140
10N
C141
39P
C142
10N
C145
100P
C146
270P
C147
10N
C148
47P
C149
10N
C150
100P
C151
100N
C152
100P
C152A
10N
C153
4U7
C153A
100P
C154
10N
C155
100P
C157
100N
C158
10N
C174
47U
C175
100N
C176
100N
C179
10N
C180
47N
C181
47N
C185
10N
C186
10N
C187
1N0
C188
100P
C191
1N0
C192
33P
C193
4U7
C194
1N0
C195
1N0
C197
100N
C198
220P
C199
1N0
C2
1N0
C200
10N
C201
1N0
C202
47U
C203
4U7
C205
1N0
C206
100N
C207
10N
C213
47U
C214
1N0
C215
4U7
C216
10N
C217
47U
C218
4U7
C219
47U
C220
15N
C221
1U0
C222
100N
C223
1N0
C224
1N0
C225
1N0
C226
1P8
C227
1N0
C228
1N0
C229
47U
C230
10N
C231
4P7
C232
15P
C234
4U7
C239
10N
C240
1N0
C241
10N
C243
1N0
C245
18P
C246
10N
C248
10N
C257
18P
C3
1N0
C300
4U7
C301
1N0
C302
27P
C303
100N
C304
1N0
C305
120P
C306
120P
C307
100N
C308
100N
C309
1N0
C310
4N7
C311
47P
C312
120P
C313
680P
C315
1N0
C316
1N0
C317
1N0
C318
1N0
C319
100N
C320
1N0
C321
100N
C322
47P
C323
270P
C325
680P
C326
47N
C327
680PC328
1N0
C329
150P
C330
120P
C333
56P
C334
39P
C336
68P
C337
1N0
C338
22P
C339
22P
C340
56P
C341
82P
C342
10P
C343
2N2
C344
47P
C345
1N0
C346
15P
C347
27P
C348
1N0
C349
1N0
C350
82P
C353
1N0
C356
1N0
C357
100N
C360
150P
C403
470P
C410
4U7
C411
100N
C412
47U
C413
100N
C414
470U
C415
1000U
C416
1N0
C419
100N
C420
100N
C423
56U
C424
4U7
C425
4U7
C426
4N7
C427
4U7
C428
4U7
C429
1N0
C430
56U
C451
1N0
C455
1N0
D1
18V
D101
BB419
1
2
D101A
BB419
1
2
D102
BB419
1
2
D102A
BB419
12
D103
BB419
1
2
D103A
BB419
1
2
BAT17DS
D110
31
BAT17DS
D110
2
3
BAT17DS
D111
2
3
BAT17DS
D111
3
1
BAT18
D140A
2
3
BAV99
D200
2
3
BAV99
D200
3
1
BAV70
D202
2
3
D203
BB419
1
2
D204
BB419
1
2
D205
BB419
1
2
D206
BB419
1
2
BAT18
D208
2
3
BAT18
D209
2
3
D301
1SS97
D303
UM9401
D304
UM9401
D305
BA482
BAV70
D401
13
BAV70
D401
2
3
IN
IN OUT
PD
OUT
RV
SYNTHESISER
IC201
145158-2
F
8
DATA
10
CLK
9
EN
11
GND
6
F
13
F
3
OSC
1
OSC
2
REF
14
MC
12
+V
4
LD
7
OUT
5
PR
16
PV
15
DIVIDER
MC12016
IC203
IN
5
BP
6
MOD
1
GND
4
VCC
8
REG
7
VCC2
2
OUT
3
VREG
IC403
7808ACT
VIN
1
GND
2
VOUT
3
VREG
IC404
7805ACT
VIN
1
GND
2
VOUT
3
L1
#4S3B
L101
8.5T/4.5
L104
#669
L105
#669
L106
#669
L107
RF BALUN
3
2
1
4
6
L108
RF BALUN
3
2
1
4
6
L109
68NH
L114
#662
L116
#662
L119
#655
2
3
6
1
4
L120
M21B
L200
M21B
L205
3U3
L206
#1009
L207
3U3
L208
5.5T/4.0
L210
8.5T/4.0
L300
#4S3B
L301
5.5T/3.0
L302
3.5T/4.5
L303
3U3
L304
2.5T/3.5
L305
8.5T/3.0
L306
M21B
L307
3.5T/2.5
L308
#4S3B
L309
#4S3B
L310
3.5T/4.0
L311
2.5T/3.0
L312
330NH
L313
7.5T/3.0
L314
8.5T/4.5
L315
#18 (3B BEAD)
L316
3.5T/4.0
L317
#18 (3B BEAD)
L318
2.5T/3.0
L319
3U3
L320
5.5T/4.0
L321
8.5T/4.5
L322
4.5T/4.5
L323
5.5T/3.0
L324
#18 (3B BEAD)
L325
1.5T/3.0
L326
8.5T/4.5
L327
1.5T/2.5
L328
5.5T/3.5
L329
1.5T/3.5
L330
3.5T/2.5
L331
M21B
L332
1.5T/2.0
L401
#650
2
36
1
4
PAD-1
I/OPAD
D
S
G
Q100
BFR31
Q101
951
Q102
BC857
Q103
951
Q104
BSS83
G
D
B
S
Q105
951
Q106
BC848
Q107
BFS17
Q108
BFS17
Q109
BF824
Q115
BC848
Q203
BC848
Q204
BC848
Q205
BC857
Q206
BC848
Q207
BC857
Q208
BC848
Q209
BC857
D
S
G
Q210
BFR31
D
S
G
Q212
BF512
Q213
BC848
Q214
BFS17
Q215
BFS17
Q301
951
Q302
MRF3866
6
7
1
4
2
3
5
8
Q303
BC848
Q304
BD234
Q305
BFQ43
Q306
MRF1946A
Q307
BC807
Q308
BC807
Q309
BC848
Q401
BC857
Q402
BC817
CW
RV153
47K
2
3
1
CW
RV222
47K
2
3
1
CW
RV324
470K
2
3
1
R100
470
R101
3K9
R102
560
R103
2K2
R104
82
R105
18
R106
100K
R107
100K
R108
100K
R109
0
R110
1M0
R111
1M0
R112
18
R113
4R7
R114
820
R115
12K
R116
4R7
R117
10
R118
100
R119
10
R120
820
R121
180
R122
100K
R123
100K
R124
100K
R125
10K
R126
10K
R127
10K
R128
150
R129
47
R131
270
R132
150
R134
10
R136
4R7
R137
4R7
R138
100K
R140
68K
R140A
33K
R141
1K5
R142
27K
R142A
100K
R143
33K
R143A
33K
R144
68K
R144A
120K
R145
1K5
R145A
33K
R146
22
R147
220
R148
560
R149
0805
R150
100K
R153
1K0
R155
100K
R156
100
R157
10K
R158
1K0
R159
47
R160
10
R161
1K0
R195
68K
R196
100
R197
100
R198
2K2
R199
100
R213
3K9
R214
1K8
R215
3K9
R216
47
R217
47
R223
22K
R224
8K2
R225
22K
R226
8K2
R227
8K2
R228
3K3
R229
22
R230
390
R231
180
R232
2K2
R233
680
R234
270
R235
330
R236
47
R237
100
R238
8K2
R239
22K
R240
100K
R241
1K8
R242
22
R243
2K2
R244
22
R245
22
R246
100
R247
47
R248
100K
R249
10
R250
2K2
R251
150
R252
1K2
R253
680
R254
22
R255
10
R256
1K8
R257
10R259
270
R260
27
R261
10
R269
10
R270
10
R271
180
R272
180
R273
10
R274
3K9
R275
10
R278
100K
R284
10K
R285
39K
R286
15K
R287
82K
R288
120K
R300
68
R301
330
R302
1K0
R303
1K0
R304
47
R305
10
R306
10
R307
470
R308
10
R308A
10
R309
10
R310
10
R311
820
R312
680
R313
180
R314
10
R315
18
R316
22
R317
1R0
R317A
1R0
R317B
1R0
R317C
1R0
R318
180
R319
180
R320
15K
R321
390
R321A
390
R322
10
R323
10
R325
10
R326
220K
R327
1K0
R328
150
R329
47K
R330
220K
R332
100
R333
2K2
R334
56K
R335
10K
R336
220
R337
0
R338
680
R339
270K
R340
220K
R341
220
R342
1K8
R350
10
R418
680
R420
39K
R420A
3K3
R421
39K
R421A
3K3
R422
22
R425
1K0
R426
4R7
R427
4R7
R428
22
R429
27K
R430
6K8
R431
100K
R432
10
R433
100
R434
47
R437
1K0
S4
I/OPAD
IC101
3371D
10
11
OUT
IN
IC101
3371D
LIM
5
GND
15
VCC
4
DEC
6
DEC
7
QUAD
8
AF
9
RSSI
13
IC101
3371D
12
14
+
-
IC202
33078D
3
2
1
+
-
IC202
33078D
5
6
7
+
-
IC204
34002D
3
2
1
+
-
IC204
34002D
5
6
7
1020
IC402
+
6
GND
9
SUB
1
SB
5
VCC
3
BS
4
O/P
2
C156
22P
C354
N.F.
P1
+5V
15
P1
+8V
10
P1
+8V-SYNTH
9
P1
AF-SIG
8
P1
BUSY
3
P1
CLK
12
P1
DATA
13
P1
DET-AF
5
P1
ENABLE
14
P1
GND
4
P1
GND
16
P1
GND
1
P1
LCK-DET
11
P1
LF-SIG
6
P1
MOD
7
P1
RSSI
2
P2
+13.8V
8
P2
+13.8V-US
6
P2
+13V-ECON
5
P2
+5-VOLTS
7
P2
+8V-OUT
9
P2
+8VTX
10
P2
AUDIO-PA
1
P2
EXTRNL
3
P2
GND
2
P2
IGN
4
P2
PWR-CNTRL
12
P2
PWR-SENSE
11
P3
AUDIO
4
P3
EXTRNL
1
P3
GND
5
P3
GND
3
P3
IGN
7
P3
SPKR
2
P3
13.8V-UNSW
6
P5
+8VOLTS
7
P5
AF-OUT
10
P5
CMPRTR-OUT
6
P5
DETECT-AUDIO
8
P5
FILTER
3
P5
GND
2
P5
MIXER
4
P5
NSE-DET
5
P5
QUAD-COIL
1
P5
455-OUT
9
P6
+8V-SYNTH
10
P6
+8V-SYNTH
4
P6
AF-SIG
9
P6
GND
3
P6
GND
2
P6
LF-SIG
7
P6
MOD
6
P6
REF-MOD
5
P6
TCXO
1
P6
TX-AF
8
P7
INT
2
P7
SPKR
1
+13.8V
+13.8V
+13.8V-UNSW
+13.8V-UNSW
+13.8V-UNSW
+13V-ECON
+13V-ECON
+30V
+30V
+5-VOLTS
+5-VOLTS
+5V
+5V
+5V
+8-VOLTS
+8-VOLTS
+8-VOLTS
+8-VOLTS
+8-VOLTS
+8-VOLTS
+8-VOLTS
+8V
+8V
+8V
+8V
+8V
+8V-OUT
+8V-OUT
+8V-SYNTH
+8V-SYNTH
+8V-SYNTH
+8V-SYNTH
NOT334
NOT567
NOT867
NOT965
SYNTHESISER
NOISE BLANKER
TCXO & TX-AUDIO PCB
8
4
DELAY LINE
+8V-TX
RX-TUNE VOLTAGE
1ST MIXER
PDL16M
PDL12M
P1 TO CONTROL PCB
P2 TO CNTRL PCB
PRESCALER
3
2
16
1
PIN SWITCH
TO LOOM CONNECTOR P2
PIN-7
REF-MOD ADJ
COUPLER
TO CNTRL-PCB ONLY, VIA P2 PIN-9
(FROM +8V REGULATOR)
PRINTED
PWR-CNTRL
UNDER-WALL DECOUPLING
4S3
4S3
4S3
4S3
4S3
*
*
*
DUAL SMALL 4S3 BEADS
L300, L308, L309
*
RF-PA
LOOP FILTER
+8V TX DELAYED
TO LOOP-FILTER
IC202, PIN-8
8
7
AUDIO PA
(VIA R1)
TO LOOM CONNECTOR P2 PIN-6
& RF POWER-AMP
TRACK-FUSE
PCB-GND
INTERNAL SPKR
PL2U
SPKR
GND
SK7HMCH
CUT FOR EXTRNL SPKR
GND
FROM CNTRL PCB
+13.8V-ECONOMY
VIA P2-PIN 5
IF PCB
(IPN:220-01201-00)
(IPN:220-01201-00)
FROM +8V REGULATOR ON
CNTRL-PCB, VIA P1 PIN-9
4
8
7V06
7V14
1V6
3V4
0V7
4V7
0V6
5V75
7V6
6V2
4V0
4V0
2V7
4V0
4V0