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
T2000-500/600 UHF MOBILE RADIO
2K5UFL4A
220-01205-14
18-10-96
A
T2000-500/600 YH
11A MODS TO PWR CONTROL ETC. M.C.
8A ADDED LOW-POWER VARIANTS J.F. J.F. 22/2/93
0V-AT-REST
8B MODIFIED VARIANTS-TABLE FOR C327 & C329, SHEET-2. J.F. J.F. S.P. 14/5/93
8C MODIFIED NOISE BLANKER VARIANTS CH/N 93/03-118. M.C. G.S. 18/5/93
8D NO CONNECTIVITY CHANGES. M.C. G.S. D.E. M.B. 14/7/93
RX:7V5
TX:0V
9A UPDATED PA, SYNTH. ADDED VIAS AROUND EDGE OF PCB. M.C. K.B. D.E. M.B. 28/8/93
9B UPDATED EXCITER AND SYNTH LAYOUT. M.C.
RX
3V0
13V0
CONTROL-VOLTS
+5DBM/50OHM
+6DBM/50OHM
TX:+4V5
RX:+3V3
FREQ
400
470
RX:0V
TX:20V
10A ADDED Q217, Q309 & OTHER ASSORTED MODS. J.F. J.F. 10/8/94
13 ADDED D305,R348,#334,#C365,C318A,C500. YH 14-3-95
2V7-6V7
TYP:4V0.@-70DBM.INPUT
1V0.P-P
60%-MOD
TYP:650MVP-P.@-70DBM.INPUT
TX
3V2
12V8
14 EMC MOD BY DECOUPLING P3 WITH 1N0 CAPS YH 11/10/95
*C101
10P
*C107
4P7
*C110
18P
*C111
5P6
*C114
18P
*C115
8P2
*C119
18P
*C121
5P6
*C122
4P7
*C227
5P6
*C232
5P6
*C237
5P6
*C238
18P
*C302
6P8
*C308
10P
*C309
22P
*C314
10P
*C321
33P
*C322
22P
*C331
5P6
*C332
10P
*C335
2P2
*C339
3P9
*C341
3P9
*C342
4P7
*C343
3P9
*C346
2P2
*C347
2P2
*C350
3P3
*C352
1P0
*C365
1U0
*L207
#570
*L300
1T/2.3
*L302
1.5T/2.5
*L314
#4S3B
*L322
1.5T/4.0
*L324
1.5T/4.5
*L325
1.5T/4.0
*L326
1.5T/4.0
*R304
100
*R309
47
*R313
330 1%
*R314
56
*R315
22
*R318
56
*R323
33
*R334
22
#C152A
10N
#C153A
100P
#C156
0
BAT18
#D140A
2
3
#Q108
BFS17
#R140
68K
#R140A
33K
#R142
27K
#R142A
100K
#R143A
33K
#R144
68K
#R144A
120K
#R145A
33K
C1
1N0
C100
150P
C102
150P
C104
100N
C105
1P0
C106
33P
C108
150P
C109
2P2
C112
1P5
C113
2P2
C117
1P5
C118
2P2
C123
150P
C124
5P6
C125
2P7
C126
5P6
C127
12P
C128
33P
C129
10N
C130
10N
C132
150P
C133
47P
C134
6P8
C135
33P
C136
6P8
C137
100P
C138
6P8
C139
33P
C140
6P8
C141
47P
C142
12P
C145
100P
C146
1N0
C147
10N
C148
10P
C149
150P
C150
100P
C151
100N
C152
100P
C153
4U7
C154
10N
C155
100P
C157
100N
C158
1N0
C174
47U
C175
100N
C176
100N
C179
10N
C180
100N
C181
100N
C182
150P
C184
150P
C185
10N
C186
10N
C187
1N0
C188
100P
C189
470P
C190
470P
C191
1N0
C192
33P
C193
4U7
C194
150P
C195
150P
C197
100N
C198
1P0
C199
1N0
C2
1N0
C200
10N
C201
10N
C202
1N0
C204
150P
C205
22N
C206
100N
C207
10N
C208
10N
C209
10N
C210
10N
C211
180P
C212
5P6
C213
47U
C214
150P
C215
4U7
C216
10N
C217
47U
C218
4U7
C219
4U7
C220
10N
C221
1U0
C222
100N
C223
4U7
C223A
8P2
C224
1N0
C225
150P
C226
150P
C228
22N
C229
47U
C230
10N
C231
10N
C233
4U7
C234
4U7
C235
100N
C236
150P
C239
1P0
C240
150P
C241
150P
C242
10N
C243
150P
C244
5P6
C245
2P7
C246
10N
C247
8P2
C248
10N
C249
100P
C250
82P
C251
100P
C252
180P
C253
82P
C254
150P
C255
5P6
C257
18P
C260
4U7
C3
1N0
C300
100P
C301
150P
C303
10P
C304
1N0
C305
12P
C306
22P
C307
100N
C310
1N0
C311
150P
C312
150P
C313
150P
C315
150P
C316
150P
C317
150P
C318
150P
C318A
12P
C319
100P
C320
33P
C326
100P
C328
4U7
C333
150P
C334
150P
C336
100P
C337
150P
C338
10P
C340
3P9
C344
3P9
C345
150P
C348
150P
C349
150P
C351
100N
C353
1N0
C355
10N
C356
150P
C357
100N
C358
15P
C359
100N
C360
150P
C361
8P2
C362
33P
C363
33P
C364
1N0
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
10N
C427
4U7
C428
4U7
C429
1N0
C430
56U
C431
100N
C451
1N0
C455
1N0
C500
0805
D1
MR2520
BAV99
D100
3
1
BAV99
D100
2
3
D101
BBY40
2
3
D102
BBY40
2
3
D103
BBY40
2
3
BAT18
D105
2
3
BAT18
D106
2
3
BAT17DS
D107
2
3
BAT17DS
D107
3
1
BAT17DS
D108
3
1
BAT17DS
D108
2
3
BAT17DS
D110
31
BAT17DS
D110
2
3
BAT17DS
D111
2
3
BAT17DS
D111
3
1
BAV70
D202
2
3
D203
BBY40
2
3
D204
BBY42
2
3
D205
BBY40
2
3
D206
BBY42
2
3
BAT18
D208
2
3
BAT18
D209
2
3
BAT18
D210
2
3
BAT18
D211
2
3
D301
1SS97
D303
UM9401
D304
UM9401
BAV70
D305
13
BAV70
D305
23
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
IC203
12022AD
IN
1
GND
5
IN
8
SW
3
NC
7
VCC
2
MC
6
OUT
4
VREG
IC403
7808ACT
VIN
1
GND
2
VOUT
3
VREG
IC404
7805ACT
VIN
1
GND
2
VOUT
3
VREG
IC405
LM317L
VIN
3
ADJ
2
VOUT
1
L1
#4S3B
L104
#664
L105
#664
L106
#664
L107
RF BALUN
3
2
1
4
6
L108
RF BALUN
3
2
1
4
6
L109
1.5T/3.0
L110
330N
L114
#662
L116
#662
L117
RF BALUN
3
2
1
4
6
L118
RF BALUN
3
2
1
4
6
L119
#655
2
3
6
1
4
L120
M21B
L121
M21A
L200
M21B
L201
100NH
L202
100NH
L203
#662
L204
100NH
L205
330NH
L206
330NH
L208
330NH
L209
330NH
L210
15NH
L301
15NH
L302
330NH
L303
330N
L304
#4S3B
L305
15NH
L306
M21B
L307
#4S3B
L308
6.5T/3.0
L309
#4S3B
L310
6.5T/3.0
L311
6.5T/3.0
L312
330NH
L313
5.5T/4.5
L318
1.5T/2.5
L319
330N
L320
2.5T/3.5
L323
1.5T/5.0
L331
M21B
L401
#650
2
36
1
4
P8
I/OPAD
P9
I/OPAD
D
S
G
Q100
BFR31
Q101
951
Q102
BC857
Q103
951
Q105
951
Q106
BC848
Q107
BFS17
Q109
BC857
Q110
BFS17
Q115
BC848
Q200
BC848
Q201
BC857
Q202
BC848
Q203
BC848
Q204
BC848
Q205
BC857
Q206
BC848
Q207
BC857
Q208
BC848
Q209
BC857
D
S
G
Q210
BFR31
Q211
BC807
Q212
951
Q213
BC848
Q214
MMBR571
Q215
MMBR571
Q216
BC848
Q217
BC848
Q300
MRF630
Q301
951
Q302
MRF559
Q303
BC848
Q304
BD234
Q305
MRF653
Q307
BC848
Q308
BC807
Q309
951
Q310
BC848
Q311
BC807
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
120
R105
18
R106
100K
R107
100K
R108
100K
R112
47
R113
4R7
R114
820
R115
12K
R116
4R7
R117
10
R118
100
R119
10
R120
820
R121
180
R122
10K
R123
10K
R131
100
R132
2K2
R133
270
R135
10K
R138
100K
R141
1K5
R143
33K
R145
1K5
R146
22
R147
220
R148
560
R150
100K
R151
3K3
R152
390K
R153
1K0
R155
100K
R156
100
R157
10K
R158
1K0
R159
47
R160
10
R161
1K0
R194
0
R195
68K
R196
100
R197
100
R198
2K2
R199
100
R200
0
R209
2K2
R210
180K
R212
2K2
R213
1K2
R214
1K2
R217
47
R218
12K
R219
330
R220
6K8
R221
330
R222
47
R223
22K
R224
12K
R225
22K
R226
5K6
R227
220
R228
3K3
R229
22
R230
470
R231
220
R232
2K2
R233
1M0
R234
68
R235
330
R236
47
R237
100
R238
8K2
R239
22K
R240
100K
R241
1K8
R242
22
R243
3K3
R244
22
R245
22
R246
390
R247
10
R248
0
R250
22
R251
150
R252
820
R253
33
R254
33
R255
22
R256
1K5
R257
1K2
R258
10
R259
820
R260
18
R261
33
R262
22K
R263
47K
R264
22K
R265
100K
R266
3K3
R267
3K3
R268
56
R269
4R7
R270
47
R271
10
R272
220
R273
4R7
R274
3K9
R275
47
R276
2K2
R277
33
R278
100K
R279
180K
R280
180K
R282
120
R284
10K
R285
10K
R286
1K0
R287
100K
R288
0
R290
1K0
R300
220
R301
220
R302
1K0
R303
68
R305
10
R306
1K2
R307
220
R308
1K2
R310
220
R311
180
R312
680
R316
150
R317
100
R320
27K
R321
470K
R322
10
R324
18
R325
27K
R326
220K
R327
1K0
R328
150
R329
47K
R330
220K
R332
100
R333
2K2
R337
0
R338
33K
R339
10K
R340
10K
R341
47K
R342
150K
R343
4K7
R344
2K2
R345
1K0
R346
680
R347
10K
R348
1K0
R418
680
R420
39K
R421
39K
R422
22
R425
1K0
R426
4R7
R427
4R7
R428
22
R429
27K
R430
6K8
R431
100K
R432
10
R433
100
R434
22
R435
18K
R436
1K2
R437
1K0
S4
I/OPAD
TSP5
TSP7
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
1020
IC402
+
6
GND
9
SUB
1
SB
5
VCC
3
BS
4
O/P
2
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
1
P1
GND
16
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-CNTRL
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
TCXO
1
P6
AF-SIG
9
P6
GND
2
P6
GND
3
P6
LF-SIG
7
P6
MOD
6
P6
REF-MOD
5
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
+13V-Q306
+21V
+21V
+21V
+5-VOLTS
+5-VOLTS
+5V
+5V
+5V
+8-VOLTS
+8-VOLTS
+8-VOLTS
+8-VOLTS
+8-VOLTS
+8-VOLTS
+8V
+8V
+8V
+8V
+8V-CNTRL
+8V-CNTRL
+8V-CNTRL
+8V-SYNTH
+8V-SYNTH
+8V-SYNTH
+8V-SYNTH
+8V-TX
+8V-TX
NOT334
NOT567
RF-IN
RF-OUT
REF-MOD ADJ
SYNTHESISER
LOOP FILTER
38.4MHZ OUT
TCXO & TX-AUDIO PCB
DELAY LINE
+8V-TX
RX-TUNE VOLTAGE
PDL16M
PDL12M
P1 TO CONTROL PCB
P2 TO CNTRL PCB
IF PCB
3
2
16
1
38.4MHZ
PRINTED
BASE L
NOT FITTED FOR HIGH-BAND
+8V-TX
UNDER-WALL DECOUPLING
4S3
4S3
*
8
4
TO LOOM CONNECTOR P2
PIN-7
*
NOISE BLANKER
PA OPTION: 25W-Q306 OR LOW-POWER VERSION
FOR LOW-POWER VERSION,
(SEE SHEET-2 FOR OPTION CCT-DETAILS)
*
LINK FOR LOW-PWR VERSIONS
LOW POWER VERSIONS)
(IPN 220-01287-00)
*R315 NOT FITTED FOR HIGH-BAND
USE DUMMY-TRANSISTOR PCB
FROM +8V REGULATOR ON
CNTRL PCB, VIA P1-PIN 9
(IPN:220-01201-00)
X3 MULTIPLIER
VCO
FROM +21V REGULATOR, IC405
PRESCALER
FROM P2/PIN-10
(VIA L331)
20NH
PRTD
PRINTED
*C322 NOT FITTED FOR LOW-BAND
PRINTED
*
1ST MIXER
TO LOOP-FILTER
IC202 PIN-8
+21V
& Q213 IN VCO
8
7
AUDIO PA
FROM CNTRL PCB
+13.8V-ECONOMY
VIA P2-PIN 5
TO LOOM CONNECTOR P2 PIN-6
& RF POWER-AMP
(IPN:220-01201-00)
TRACK-FUSE
PCB-GND
INTERNAL SPKR
PL2U
SPKR
GND
SK7HMCH
CUT FOR EXTRNL SPKR
GND
L304, L307, L314, L316 & L309
NOT FITTED FOR
COUPLER
HIGH-BAND
*C352 NOT FITTED FOR HIGH-BAND
( ,CRUSH BEADS FOR
*
DUAL-4S3B BEADS
TO CNTRL-PCB VIA P2 PIN-9 & Q311
5V7
6V2
6V7
2V3
0V
3V0
4V0
7V8
6V2
5V4
3V7
7V5
3V9
2V1
7V0
7V4
3V1
0V7
3V4
0V7
8V0
4V0