A
A
B
B
C
C
D
D
E
E
4
4
3
3
2
2
1
1
+15V
+15V
VAN_A
VAN_A
+15V
VAN_A
VAN_A
VAN_A
VAN_A
VAN_A
VAN_A
VAN_A
VAN_A
VAN_A
+15V
VAN_A
+5V
+5V
+15V
+15V
+15V
+15V
+15V
+15V
+15V
VAN_A
+15V
+15V
VAN_A
VAN_A
+15V
+15V
VAN_A
+15V
+15V
+5V
VAN_A
+15V
+5V
+15V
+5V
LLG_TONE
DECODER_AUDIO
HANDSET_PTT
EXT_HOOK/MONITOR
DAC_OUT
LINE_2/SUPERVISOR
PTT_LINE_AMP_ENABLE
PTT_MIC_ENABLE
KEYPAD_BEEP
OFFHOOK_SPKR_MUTE
PTT_DISABLE
EAR_MUTE
MIC_AUD_SELECT
FNC_TONE
INTEROP_XOVER
REF_A
REF_A
TXD2
RXD2
HLG_DET
HLG_SPK_MUTE
HLG_SPK_MUTE
SIZE
DOCUMENT NUMBER
REV
DATE
SHEET
of
FILE NAME
COPYRIGHT © 2004
SCHEMATIC
APPR.
MIDIAN ELECTRONICS, INC.
REV.
DWN. BY
DESIGN
500-ANLG
G-1
TRC SERIES
D
2
2
TRC-500
ANALOG
CJS
AWS
NOV. 19, 2004
07/06/2008
SIZE
DOCUMENT NUMBER
REV
DATE
SHEET
of
FILE NAME
COPYRIGHT © 2004
SCHEMATIC
APPR.
MIDIAN ELECTRONICS, INC.
REV.
DWN. BY
DESIGN
500-ANLG
G-1
TRC SERIES
D
2
2
TRC-500
ANALOG
CJS
AWS
NOV. 19, 2004
07/06/2008
SIZE
DOCUMENT NUMBER
REV
DATE
SHEET
of
FILE NAME
COPYRIGHT © 2004
SCHEMATIC
APPR.
MIDIAN ELECTRONICS, INC.
REV.
DWN. BY
DESIGN
500-ANLG
G-1
TRC SERIES
D
2
2
TRC-500
ANALOG
CJS
AWS
NOV. 19, 2004
07/06/2008
BLK
RED
GRN
YEL
MIC HI YEL
EARPCS GRN
GND BLK
SIMPLEX HANDSET
EAR LEVEL
EXT MON/HOOK RED
GOOSENECK/INT
MICROPHONE
HANDSET
INTERFACE
SPEAKER
LINE
INTERFACE
NOTES
* = NOT INSTALLED
RX NOTCH BANDPASS TUNING
NULLING
NULLING
1K
18 to 22 VDC
DURING
SIMPLEX TX
DAC TONE LEVEL
EXT_PTT_IN WHT
+15V OUT BLU
RX GAIN
MIC AMP
7.5 VOLTS
ANALOG REFERENCE
TX NOTCH FILTER TUNING
TX NOTCH
LINE AMP
DAC SIDETONE JUMPER
FROM
SPK AMP
RX NOTCH
BANDPASS
LINE LEVEL
AUDIO MIXER
RX NOTCH
COMPANDOR
COMPANDOR
4 WIRE/DUPLEX
OPTION
SUPERVISOR/LINE2/
4 WIRE OPTION
SIDE TONE JUMPER
UNDER 4-WIRE OPERATION
GUARD TONE DETECTOR
RX LINE AMP
+15V REGULATOR
TRC-1, TRC-300, AND TRC-400
R445 AND R447 INSTALLED AND
2000 T0 3100 HZ.
2000 T0 3100 HZ.
09-15-2005 - HANDSET NOTE:
PLACE 10K RESISTOR
ACROSS MIKE ELEMENT
(MULTITURN)
(0805)
(0805)
(1206)
(0805)
(0805)
(0805)
(1206)
(0805)
(MULTITURN)
PRODUCTION DATE OF CMX469AD3
C516 = NOT INSTALLED
NOTE3 - C525 = 1uF USED ONLY WITH SPECIFIC
NOTE2 - ZAP FORMAT C515 AND C516 AS SHOWN.
GSTAR FORMAT C515 = .0047u AND
R452 NOT INSTALLED
NOTE4 - R445, R447 AND R452 = 0R WHEN INSTALLED
TRC-100/200
R445 INSTALLED
R447 AND R452 NOT INSTALLED
TRC-500, TRC-600
R452 INSTALLED
R445 AND R447 NOT INSTALLED
COMPANDOR
NOTE5 - ONLY INSTALLED WHEN LCD OPTION REQUIRED.
HLG 13 Vp-p
HLG 13 Vp-p
165 mVp-p
200 mVp-p
8 Ohm at 2 Watt
SEE
SPK AMP
1/3
PTT
EXT.
RELAY
M LEAD
SEE RX
NOTCH
SEE AUDIO
MIXER
BYPASS
COMPANDOR
ENABLE
SEE
MCU PAGE
3/3
2/3
SPARE
FIXED
ADJ
EAR
DUPLX TRUNK GO
AHEAD BEEP
2W
60 mVp-p
LLG
11.7 Vp-p Full Volume @ -5 dbm
11.8 Vp-p
@0 dbm
HLG 11.3 Vp-p
5.8 Vp-p MIN TRIGGER
SPKR MUTE
200 mVp-p
200 mVp-p
FUTURE USE
U201B
LM4950
U201B
LM4950
SHUTDOWN
2
BYPASS
8
GND TAB
5
GND
4
VDD
6
C115
.047u NPO
C115
.047u NPO
K201
DF2E-DC12V
K201
DF2E-DC12V
3
5
6
10
8
7
12
1
C120
.1u
C120
.1u
D302A
A6
D302A
A6
1
2
R142
1K
R142
1K
R228
100K
R228
100K
R341
300R
R341
300R
C201
.1u
C201
.1u
R213
4.7K
R213
4.7K
-
+
U302D
LM660
-
+
U302D
LM660
13
12
14
C313
1u
C313
1u
C104
1u
C104
1u
D301A
A7
D301A
A7
1
2
Q305
BSS
Q305
BSS
1
JP206
1
JP206
F202
300mA Resettable
F202
300mA Resettable
R349
910K
R349
910K
U603
LM7815
U603
LM7815
VIN
1
G
N
D
2
VOUT
3
3
3
TP103
TP103
R207
39K
R207
39K
2
2
R222
0R
R222
0R
1
JP307
1
JP307
2
2
Q301
BSS
Q301
BSS
R304
43K
R304
43K
1
JP211
1
JP211
C319
.1u
C319
.1u
-
+
U303B
LM324
-
+
U303B
LM324
6
5
7
R143
1K
R143
1K
-
+
U103C
LM660
-
+
U103C
LM660
9
10
8
R119
36K
R119
36K
1
JP201
1
JP201
2
2
R369
100K
R369
100K
PL1
RJ-45 10 PIN
PL1
RJ-45 10 PIN
1
2
3
4
5
6
7
8
9
10
R314
1M
R314
1M
2
2
R378
100K
R378
100K
R337
180K
R337
180K
-
+
U303C
LM324
-
+
U303C
LM324
9
10
8
C330
.01u
C330
.01u
R125
470
R125
470
R330
10K
R330
10K
C207
220p
C207
220p
R347
39K
R347
39K
C333
*
C333
*
-
+
U103B
LM660
-
+
U103B
LM660
6
5
7
RP103
1K
1
2
3 RP103
1K
1
2
3
C309
1u
C309
1u
+
C304
33u
+
C304
33u
-
+
U303D
LM324
-
+
U303D
LM324
13
12
14
1
JP302
1
JP302
RP203
100K
1
2
3
RP203
100K
1
2
3
R358
1K
R358
1K
C307
1u
C307
1u
+
C615
33u
+
C615
33u
R103
22K
R103
22K
R141
22K
R141
22K
TZ205
P0300
TZ205
P0300
C218
560p
C218
560p
R221
150K
R221
150K
C219
560p
C219
560p
-
+
U101C
LM660
-
+
U101C
LM660
9
10
8
R339
4.7K
R339
4.7K
R206
0R
R206
0R
U102A
SA572
U102A
SA572
RECT_IN
3
ATK_CAP
4
G_OUT
5
THD_TRIM
6
VCC
16
GND
8
REC_CAP
2
G_IN
7
TRK_TRIM
1
+
C100
2.2u
+
C100
2.2u
R137
0R
R137
0R
1
JP202
1
JP202
1
JP207
1
JP207
TP202
TP202
R129
51
R129
51
-
U201C
LM4950
-
U201C
LM4950
9
7
R366
43K
R366
43K
R320
100K
R320
100K
3
3
R214
300R
R214
300R
2
2
R218
1M
R218
1M
C314
1u
C314
1u
R338
22K
R338
22K
R117
33K
R117
33K
2
2
C337
.1u
C337
.1u
U104
74LVC1G3157
U104
74LVC1G3157
Y0
3
Y1
1
G
N
D
2
Z
4
V
D
D
5
S
6
TZ201
P0300
TZ201
P0300
C302
.022u
C302
.022u
1
JP210
1
JP210
1
JP204
1
JP204
+
C320
2.2u
+
C320
2.2u
C216
.001u 500V
C216
.001u 500V
R357
1K
R357
1K
R122
10K 1%
R122
10K 1%
+
C305
2.2u
+
C305
2.2u
R216
100R
R216
100R
-
+
U101B
LM660
-
+
U101B
LM660
6
5
7
P
S
T202
42TU016
P
S
T202
42TU016
1
6
5
3
4
2
R204
100K
R204
100K
D602B
A6
D602B
A6
3
1
R328
10K
R328
10K
R332
1K
R332
1K
Q201
B25
Q201
B25
D602A
A6
D602A
A6
1
2
3
3
C303
1u
C303
1u
R106
330K
R106
330K
Q202
BSS
Q202
BSS
D601B
A6
D601B
A6
3
1
R120
10K 1%
R120
10K 1%
C332
100p
C332
100p
R375
3.3K
R375
3.3K
Q102
Y25
Q102
Y25
R331
10K
R331
10K
R127
10K
R127
10K
C310
100p
C310
100p
R376
470K
R376
470K
D601A
A6
D601A
A6
1
2
C329
*
C329
*
R315
4.7K
R315
4.7K
R225
0R
R225
0R
2
2
TP306
TP306
R377
1K
R377
1K
3
3
R352
1K
R352
1K
R365
47K
R365
47K
1
JP306
1
JP306
R311
51
R311
51
2
2
-
+
U303A
LM324
-
+
U303A
LM324
2
3
1
4
1
1
+
C311
47u
+
C311
47u
R374
9.1K
R374
9.1K
R210
100K
R210
100K
R356
100R
R356
100R
-
+
U103A
LM660
-
+
U103A
LM660
2
3
1
4
1
1
R220
0R
R220
0R
TP104
TP104
+
C322
470u
+
C322
470u
C117
.1u
C117
.1u
R107
3.3K
R107
3.3K
RP102
5K
1
2
3
RP102
5K
1
2
3
Q103
Y25
Q103
Y25
R104
100K
R104
100K
C111
1u
C111
1u
-
+
U302B
LM660
-
+
U302B
LM660
6
5
7
R109
100K
R109
100K
Q205
Y25
Q205
Y25
C122
.47u
C122
.47u
R126
10K 1%
R126
10K 1%
2
2
TP305
TP305
C324
.01u NPO
C324
.01u NPO
R113
0R
R113
0R
R336
33K
R336
33K
R306
2.7M
R306
2.7M
R313
10K 1%
R313
10K 1%
Q302
BSS
Q302
BSS
-
+
U103D
LM660
-
+
U103D
LM660
13
12
14
R123
10K 1%
R123
10K 1%
R345
1M
R345
1M
C105
1u
C105
1u
C318
.47u
C318
.47u
PL601
2.1 MM DC PWR JACK
PL601
2.1 MM DC PWR JACK
P
S
T201
42TU016
P
S
T201
42TU016
1
6
5
3
4
2
R134
5.6K
R134
5.6K
C220
.033u
C220
.033u
C209
.01u
C209
.01u
C106
1u
C106
1u
R364
10K
R364
10K
R101
4.7K
R101
4.7K
R209
62K
R209
62K
1
JP208
1
JP208
-
+
U302C
LM660
-
+
U302C
LM660
9
10
8
R208
10R
R208
10R
TP304
TP304
TP301
TP301
R361
1K
R361
1K
R370
2K
R370
2K
-
U201A
LM4950
-
U201A
LM4950
1
3
TP303
TP303
J1
EARTH GROUND POST
J1
EARTH GROUND POST
1
3
3
+
C323
33u
+
C323
33u
TP302
TP302
R354
100K
R354
100K
TP101
TP101
+
C210
10u
+
C210
10u
R325
36K
R325
36K
C204
220p
C204
220p
C205
.022u
C205
.022u
R230
100K
R230
100K
R307
10K
R307
10K
C203
.1u
C203
.1u
3
3
R211
300R
R211
300R
R334
3.3K
R334
3.3K
2
2
R302
47K
R302
47K
C113
.1u
C113
.1u
R114
10K 1%
R114
10K 1%
TZ203
P0300
TZ203
P0300
R223
0R
R223
0R
2
2
R133
47K
R133
47K
PL3
RJ-11
PL3
RJ-11
1
2
3
4
5
6
7
8
RP304
100K
1
2
3
RP304
100K
1
2
3
C603
.47u
C603
.47u
Q303
BSS
Q303
BSS
R305
47K
R305
47K
C206
.1u
C206
.1u
2
2
R322
10K 1%
R322
10K 1%
R110
1K
R110
1K
R373
10K
R373
10K
TZ206
P0300
TZ206
P0300
R363
6.2K
R363
6.2K
R353
100R
R353
100R
R327
100K
R327
100K
RP306
10K
1
2
3
RP306
10K
1
2
3
R318
3.3K
R318
3.3K
C119
.1u
C119
.1u
+
C612
33u
+
C612
33u
TP100
TP100
R121
10K 1%
R121
10K 1%
2
2
Q206
BSS
Q206
BSS
R351
2.2K
R351
2.2K
SR601B
SW_VOL
SR601B
SW_VOL
1
3
2
Q101
BSS
Q101
BSS
R329
4.7K
R329
4.7K
R202
4.7K
R202
4.7K
TP601
TP601
C325
.047u NPO
C325
.047u NPO
TZ601
P0300
TZ601
P0300
C613
.1u
C613
.1u
C602
560p
C602
560p
RP201
100K
1
2
3
RP201
100K
1
2
3
1
JP305
1
JP305
R118
10K 1%
R118
10K 1%
R100
4.7K
R100
4.7K
1
JP205
1
JP205
PL101
PL101
1
2
R140
470K
R140
470K
+
C611
33u
+
C611
33u
R335
750K
R335
750K
R229
100K
R229
100K
R112
10K
R112
10K
R372
1K
R372
1K
RP303
5K
1
2
3
RP303
5K
1
2
3
R319
22K
R319
22K
C116
.01u NPO
C116
.01u NPO
R371
2K
R371
2K
R201
0R
R201
0R
2
2
C327
.1u
C327
.1u
1
JP304
1
JP304
1
JP303
1
JP303
C315
1u
C315
1u
R317
10K
R317
10K
R139
2K
R139
2K
R132
100K
R132
100K
R309
10K 1%
R309
10K 1%
+
C308
10u
+
C308
10u
C316
150p
C316
150p
R227
10K
R227
10K
R205
100K
R205
100K
C114
.1u
C114
.1u
R367
470K
R367
470K
R116
10K 1%
R116
10K 1%
C109
100p
C109
100p
R355
4.7K
R355
4.7K
-
+
U301C
LM660
-
+
U301C
LM660
9
10
8
C202
.47u
C202
.47u
R131
100K
R131
100K
R362
1K
R362
1K
R105
100K
R105
100K
R111
10K
R111
10K
R368
4.7K
R368
4.7K
+
C208
470u
+
C208
470u
RP101
100K
1
2
3
RP101
100K
1
2
3
C326
.1u
C326
.1u
2
2
R308
10K 1%
R308
10K 1%
C101
560p
C101
560p
R115
10K 1%
R115
10K 1%
2
2
D203A
A6
D203A
A6
1
2
+
C211
10u
+
C211
10u
TP102
TP102
C214
.001u 500V
C214
.001u 500V
1
JP203
1
JP203
R316
10K
R316
10K
R343
10K
R343
10K
F201
300mA Resettable
F201
300mA Resettable
R135
1K
R135
1K
C312
.1u
C312
.1u
1
JP309
1
JP309
-
+
U101D
LM660
-
+
U101D
LM660
13
12
14
C118
.47u
C118
.47u
SR601A
SW_VOL
SR601A
SW_VOL
4
5
-
+
U101A
LM660
-
+
U101A
LM660
2
3
1
4
1
1
R346
0R
R346
0R
4
4
C321
*
C321
*
R203
10K
R203
10K
C215
.001u 500V
C215
.001u 500V
R224
*
R224
*
C336
.1u
C336
.1u
+
C601
33u
+
C601
33u
R138
1K
R138
1K
+
C614
33u
+
C614
33u
1
JP301
1
JP301
C102
.1u
C102
.1u
C334
.47u
C334
.47u
RP302
1K
1
2 3
RP302
1K
1
2 3
R323
10K 1%
R323
10K 1%
TP201
TP201
R344
51R
R344
51R
R108
33K
R108
33K
C112
1u
C112
1u
C306
.1u
C306
.1u
RP202
1K
1
2
3
RP202
1K
1
2
3
1
JP308
1
JP308
D604
5.1V
D604
5.1V
R212
300R
R212
300R
TZ204
P0300
TZ204
P0300
R128
47K
R128
47K
R348
62K
R348
62K
F601
750 mA Resettable Fuse
F601
750 mA Resettable Fuse
R130
2.2K
R130
2.2K
Q304
B25
Q304
B25
R303
10K
R303
10K
R350
470
R350
470
R342
100K
R342
100K
R326
10K 1%
R326
10K 1%
2
2
R340
0R
R340
0R
R102
20K
R102
20K
C212
.22u
C212
.22u
-
+
U301D
LM660
-
+
U301D
LM660
13
12
14
C108
1u
C108
1u
PL301
PL301
1
2
R215
300R
R215
300R
R136
1K
R136
1K
2
2
R226
100K
R226
100K
+
C110
47u
+
C110
47u
U102B
SA572
U102B
SA572
RECT_IN
13
ATK_CAP
12
G_OUT
11
THD_TRIM
10
VCC
16
GND
8
REC_CAP
14
G_IN
9
TRK_TRIM
15
1
JP209
1
JP209
R310
10K 1%
R310
10K 1%
R301
5.6K
R301
5.6K
C121
.01u
C121
.01u
-
+
U302A
LM660
-
+
U302A
LM660
2
3
1
4
1
1
2
2
-
+
U301B
LM660
-
+
U301B
LM660
6
5
7
R360
100K
R360
100K
R321
33K
R321
33K
C338
.01u
C338
.01u
R359
100K
R359
100K
R217
150K
R217
150K
D301B
A7
D301B
A7
1
3
R312
10K 1%
R312
10K 1%
R333
100K
R333
100K
C103
220p
C103
220p
C217
.001u
C217
.001u
R124
10K 1%
R124
10K 1%
1
JP101
1
JP101
Q203
BSS
Q203
BSS
C213
.001u 500V
C213
.001u 500V
2
2
C317
.047u
C317
.047u
TZ202
P0300
TZ202
P0300
2
2
-
+
U301A
LM660
-
+
U301A
LM660
2
3
1
4
1
1
R324
10K 1%
R324
10K 1%
+
C107
10u
+
C107
10u
