8-3
WRT-847A/847B
8-3
2
3
4
5
1
A
B
C
D
E
F
G
H
LEVEL DIAGRAM
Deviation
Frequency
dBV
-40
-20
-60
C
B
A
G
F
E
D
J
H
-49.0
-55.0
-55.0
-29.4
-24.6
-34.5
-42.8
-49.0
3.3V
(3.3V)
(3.3V)
(5.8V)
0V
0V
2.5V
1.98V
AF IN
1.4V
OFF
(1kHz)
Ref.Level
2.49V
2.54V
FRC
2.52V
2.3V
2.51V
TC
2.52V
1.4V
2.52V
2.8V
2.32V
(5.8V)
2.5V
0.89V
5.8V
2.19V
0V
TONE
2.5V
0V
2.45V
(3.3V)
2.52V
3.3V
0V
1.2V
0.5V
0.86V
0.5V
2.52V
0V
0.59V
(3.3V)
2.98V
TC
TO DP-341
0V
(94dBSPL)
3V
-55dBV
FRC
0V
3V
2.51V
2.52V
3.3V
2.50V
2.52V
3V
0.81V
0.03V
(5.8V)
0.29V
2.84V
(2/2)
5.8V
2.52V
2.47V
2.52V
0V
TO/FROM
1.55V
CN201 DP-341
1.58V
TO DP-341
2.5V
0V
1.69V
2.52V
2.92V
2.52V
1.54V
ON
1.59V
TO RF-96
1.59V
5V
0V
0.29V
1.92V
5V
2.2V
1.6V
3V
0V
(1/2)
2.54V
2.48V
0V
1.8V
2.52V
5.8V
5.8V
B
G
A
C
D
F
SW
LR6X2
E
POWER
Q317
CPH6403-TL
IC311
ADG719BRT
IC307
ADG704BRM
IC305
ADG719BRT
IC302
ADG704BRM
Q310
2SA1965-TL
(1/2)
IC309
MC33077DR2
IC313
TA75S393F-TE85R
IC310
NJM2107F-TE2
Q315
2SA1965-TL
Q306
DTC114EE-TL
Q316
2SC4919-TL
(1/7)
IC301
TC4069UBFT(EL,N)
(1/2)
IC308
MC33077DR2
Q307
2SC4738-YGR-TE85L
(4/7)
IC301
TC4069UBFT(EL,N)
Q305
DTC114EE-TL
Q311
2SC4738-YGR-TE85L
(7/7)
IC301
TC4069UBFT(EL,N)
IC306
S-81233SGUP-DQF-T1
Q302
UMG8-TR
Q318
DTA144EE-TL
Q313
2SC4919-TL
Q304
2SA1965-TL
Q314
2SC4919-TL
(3/7)
IC301
TC4069UBFT(EL,N)
(2/2)
IC309
MC33077DR2
Q308
2SC4919-TL
(6/7)
IC301
TC4069UBFT(EL,N)
(2/2)
IC308
MC33077DR2
Q301
FMMT617TA
Q312
2SC4919-TL
Q309
CPH6403-TL
(2/7)
IC301
TC4069UBFT(EL,N)
IC304
TC4S11F(TE85R)
(5/7)
IC301
TC4069UBFT(EL,N)
IC303
RH5RH583B-T1
IC312
SA575DK-T
Q303
XN4504-TX
S
R316
2.7k
C314
0.01uF
T301
R314
10
CL311
CL310
CL309
CL305
CL306
NM
JC302
0
JC303
0
CL308
CL307
C374
1uF
16V
D308
UMZ8.2T-T106
D307
UMZ8.2T-T106
S
C323
4.7uF
6.3V
(20/30)
CN303
R319
100k
C359
2.2uF
10V
FL304
EMI
R391
10k
R332
100k
(1/30)
CN302
(16/30)
CN303
R335
82k
C317
100uF
10V
(12/30)
CN302
FL301
EMI
R370
100
C345
220pF
C308
22uF
10V
(23/30)
CN302
R305
1.8k
(12/30)
CN303
X301
(8/30)
CN303
R396
33k
C356
0.0015uF
CL304
(8/30)
CN302
C315
47pF
R382
2.2k
C340
(4/30)
CN303
R330
1k
(19/30)
CN302
R383
1.2k
R350
4.7k
CL302
0.47uF
25V
C369
R325
470k
R387
10k
(30/30)
CN302
C373
22uF
10V
R352
4.7k
(4/30)
CN302
R334
4.7k
C360
2.2uF
10V
FL303
EMI
R373
100k
C302
220uF
6.3V
D306
MA133-TX
(27/30)
CN303
C339
0.1uF
L303
C312
0.1uF
(15/30)
CN302
R367
4.7k
(23/30)
CN303
(26/30)
CN302
C365
220uF
6.3V
(19/30)
CN303
CL301
R395
4.7k
R393
100k
R339
4.7k
R363
C338
470pF
R341
100k
R344
4.7k
C306
0.01uF
(15/30)
CN303
C309
47uF
6.3V
R326
100k
R351
4.7k
C354
0.0082uF
(11/30)
CN302
S301
(11/30)
CN303
R362
33k
R324
10k
C348
0.01uF
C310
0.0018uF
R369
100k
(22/30)
CN302
R385
5.6k
C343
0.047uF
(7/30)
CN303
C307
10uF
10V
C352
10pF
R312
100k
C326
0.1uF
R338
10k
C301
22uF
10V
R390
1M
(7/30)
CN302
R377
22k
R360
5.6k
R307
3.3k
(3/30)
CN303
R304
2.7k
C320
22pF
C319
0.1uF
(18/30)
CN302
C362
0.047uF
R397
33k
(29/30)
CN302
(30/30)
CN303
C355
2.2uF
10V
(3/30)
CN302
R389
2.2k
C311
47uF
6.3V
RV301
22k
C351
2.2uF
10V
R361
3.3k
(26/30)
CN303
R355
10k
L302
10uH
R386
18k
R315
470k
(22/30)
CN303
(14/30)
CN302
R380
820
C344
R322
10M
(25/30)
CN302
C331
0.0022uF
RV303
22k
R337
4.7k
(18/30)
CN303
C341
2.2uF
10V
R302
22k
(14/30)
CN303
D303
UMZ8.2T-T106
C332
330pF
C353
2.2uF
10V
R366
100k
R359
(10/30)
CN303
C303
220uF
6.3V
(10/30)
CN302
C329
22uF
10V
C368
1uF
R328
2.2k
(21/30)
CN302
C371
0.1uF
R394
100k
D301
1SS367-T3SONY
C367
1uF
16V
R329
2.7k
R356
100k
R345
1.5k
R340
100k
(6/30)
CN303
C357
10uF
10V
C316
27pF
L301
10uH
R346
2.2k
R364
R320
100k
R354
1.8k
R374
100k
(6/30)
CN302
(2/30)
CN303
R323
10k
R372
100k
R317
47k
R357
1.2k
C358
1uF
(17/30)
CN302
R309
100k
R311
100k
C366
1uF
16V
R333
4.7k
R336
100k
R301
220
R371
150k
(28/30)
CN302
(29/30)
CN303
R376
4.7k
(2/30)
CN302
R306
1.5k
D302 1SS355TE-17
R303
3.3k
(25/30)
CN303
(21/30)
CN303
C370
220pF
(13/30)
CN302
(17/30)
CN303
C321
27pF
(24/30)
CN302
R379
100k
C324
0.1uF
R381
18k
R318
100k
C363
1uF
R398
4.7k
C372
10uF
10V
R365
470k
(13/30)
CN303
R349
5.6k
R321
100k
R313
10M
(9/30)
CN303
R388
15k
CL303
JC301
C334
22uF
10V
C313
22pF
(9/30)
CN302
FL302
EMI
R392
100k
R331
10k
C364
0.01uF
(20/30)
CN302
D305
MA133-TX
(5/30)
CN303
R342
100k
C349
0.47uF
25V
C347
C336
0.0022uF
CN301
C304
0.001uF
C3270.0012uF
(1/30)
CN303
R378
6.8k
(5/30)
CN302
R353
100k
RV304
22k
L304
C305
4.7uF
10V
C337
330pF
R327
6.8k
R308
1.5k
C328
0.01uF
R343
4.7k
C346
0.01uF
X302
0.032768MHz
C322
2.2uF
10V
R347
4.7k
C330
4.7uF
10V
C333
10uF
10V
(16/30)
CN302
C342
2.2uF
10V
/FIN
(28/30)
CN303
R358
100k
C350
10uF
10V
(27/30)
CN302
C318
22uF
10V
C325
0.01uF
C361
0.001uF
R368
22k
(24/30)
CN303
R375
100k
FROM CU
CN-2055
CN102
CN101
GND
12
12
GND
11
11
10
10
9
9
8
8
7
7
CU-ID
6
6
GND
5
5
ECM-VCC
4
4
HOT
3
3
COLD
2
2
GND
1
1
CU-ID
4
HOT
3
GND
2
ECM-VCC
1
2
1
3
2
1
3
6
5
2
1
4
3
1
IN
2
VDD
5
D
3
GND
4
S1
6
S2
9
S2
8
D
7
S4
5
EN
4
S3
3
GND
6
VDD
10
A1
2
S1
1
A0
1
IN
2
VDD
5
D
3
GND
4
S1
6
S2
9
S2
8
D
7
S4
5
EN
4
S3
3
GND
6
VDD
10
A1
2
S1
1
A0
GND
20
GND
3
O/I
2
I/O
1
GND
1
GND
16
TC
12
GND
3
OI
2
IO
1
ATT0
23
12
7
6
-
5
+
5
4
2
1
-
3
+
8
CU-ID
8
5
4
2
3
-
1
+
DATA
4
AFIND
19
2
1
VCC2
30
7
6
-
5
+
DATA
4
GND
3
O/I
2
I/O
1
3
2
1
27
TONE-OFF
15
8
9
23
BAT1
26
19
15
FRC
11
6
5
4
3
2
1
11
ATT1
22
LD
7
VCC
14
GND
7
LD
7
CLK
3
2
VOUT
3
GND
1
VIN
LVD
18
VCC2
29
4
3
1
5
2
VCC2
30
CLK
3
3
2
1
VCC1
26
22
CS
14
VCC1
25
3
2
1
MOD
18
6
5
CS
14
2
1
3
PO_H/L
10
PO_H/L
10
8
1
4
2 -
3
+
ATT2
21
RFM
6
RFM
6
GND
2
12
13
6
NC3
7
NC4
4
NC2
2
NC1
5
8
1
3
8
1
4
2 -
3
+
32.768KHZ
17
POFF-IN
28
VCC2
29
GND
2
VCC1
25
21
D0
13
17
EXTDC
24
D0
13
6
5
2
1
4
3
4
3
4MHZ
9
4MHZ
9
GND
3
O/I
2
I/O
1
5
VDD
4
X
3
VSS
1
B
2
A
AFM
20
3
2
1
LAT
5
GND
12
GND
11
10
9
8
7
CU-ID
6
GND
5
ECM-VCC
4
HOT
3
COLD
2
GND
1
GND
1
LAT
5
3
2
1
10
11
IO
16
5
VSS
3
EXT
2
OUT
4
LX
1
CE
28
9
GAIN_CELL_IN1
11
GAIN_CELL_IN2
6
SUM_OUT1
14
SUM_OUT2
3
VOUT1
8
VREF
7
COMP_IN1
5
C_RECT1
4
RECT_IN1
2
-VIN1
1
+VIN1
12
SUM_NODE2
13
COMP_IN2
15
C_RECT2
16
RECT_IN2
20
VCC
17
VOUT2
10
GND
18
-VIN2
19
+VIN2
27
4
5
3
6
2
1
24
CU-ID
ATT0
POFF-IN
ATT2
ATT1
LVD
BAT1
TONE-OFF
ID
32768HZ
LVD
AFM
ATT2
BAT1
ATT1
ATT0
TONE-OFF
AFM
32768HZ
CU-ID
ID
B1
POFF-IN
B2
3.3V
5.8V
*
*
*
*
*
*
*
*
*
CN-2055, MB-914
CN-2055, MB-914
CN-2055
MB-914
Model*
Ref No.
CE21
C340
0.033uF
16V
B
CE33
U66
CE62
CE67
U14
NM
U30
U62
C344
0.047uF
16V
B
NM
C347
0.022uF
16V
B
NM
JC301
NM
10mH
3.3mH
0Ω
L303
NM
L304
NM
R359
33Ω
1/16W
NM
R363
12Ω
1/16W
NM
R364
220Ω
1/16W
0.033uF
16V
B
0.047uF
16V
B
0.022uF
16V
B
NM
10mH
3.3mH
33Ω
1/16W
12Ω
1/16W
220Ω
1/16W
0.033uF
16V
B
0.047uF
16V
B
0.022uF
16V
B
NM
10mH
3.3mH
33Ω
1/16W
12Ω
1/16W
220Ω
1/16W
0.033uF
16V
B
0.047uF
16V
B
0.022uF
16V
B
NM
10mH
3.3mH
33Ω
1/16W
12Ω
1/16W
220Ω
1/16W
NM
NM
NM
NM
0Ω
NM
NM
NM
NM
NM
NM
NM
NM
0Ω
NM
NM
NM
NM
NM
NM
NM
NM
0Ω
NM
NM
NM
NM
NM
NM
NM
NM
0Ω
NM
NM
NM
NM
NM
AU66
NM:No mount
*:
Power voltage is 3.0 Vdc and fed with regulated dc power
supply from battery terminal.
Reference input signal is
_
55 dB (0 dB = 1 Vrms) and fed with
AF oscillator from MIC connector.
For measuring points (
A
to
J
), see schematic diagram.
Level values are referential values measured with AF level
meter.
Note:
.
.
.
.
Note:
Power voltage is 3.0 Vdc and fed with regulated dc power
supply from battery terminal.
DC valtage are taken with digital multimeter (input impedance
1 M
Z
or more) under no-signal conditions.
Voltage values on signal input conditions are taken when the
signal is
_
55 dB (0 dB = 1 Vrms) and fed with AF oscillator from
MIC input terminal.
Summary of Contents for WRT-847A
Page 1: ...UHF SYNTHESIZED TRANSMITTER UNIT WRT 847A WRT 847B SERVICE MANUAL 1st Edition ...
Page 16: ......
Page 38: ......
Page 44: ......
Page 46: ...6 2 WRT 847A 847B ...
Page 48: ...7 2 WRT 847A 847B 7 2 MB 914 MB 914 MB 914 A SIDE SUFFIX 11 MB 914 B SIDE SUFFIX 11 ...
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