COMPONENT MAINTENANCE MANUAL Video Modulator Unit (VMU)(52)

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100
R239
1.5K
C279
1000P
R237
22
R257
22K
C273
3P
C283
0.01
1 4
FL210
R246
3.3K
R244
10K
L214
5.5T
R247 220
C294
1000P
C293
1000P
C289
6P
4 2
3
1
IC209 R236
33
L218
L216
1.5T
R233
22
C298
1000P
C296
1000P
T202
1
2
4
FL209
8
2
4
3
1
DBM201
R230
(TABLE 1)
R232
(TABLE 1)
R252
220
C295
1000P
R231
(TABLE 1)
C297
1000P
A2
1
3 2
4
FL212
8
7 6 4 3 2
IC211
R253
56
C290
1000P
Q206
C291
1P
R251
56
R250
1K
R249
3.9K
R248
4.7K
L217
1.5T
C292
6P
C284
47P
X203
52.75MHZ
C285
39P
C286
1000P
C288
39P
Q205
R245
1.5K
R243
L215 10K
0.47UH
C287
82P
Q207
R254
22K
R256
4.7K
R258
10K
R255
22K
C9 PC
A2
FL207
5 6 7
2 3 4 6 7 8
2 3 4 5 6 2 346 7
4
PRINTED COIL
2 3
INPUT
OUTPUT
GND
VCC
GND
5 1
5 1
3
2 4
VIDEO
RF
DBM201
TDK
SMC
R231
15
39
R230
330
150
R232
330
150
TABLE 1
5
5

Page 167/168
Aug 20/2002
Matsushita Avionics Systems Corporation
COMPONENT MAINTENANCE MANUAL
PART NUMBER RD-AA5002 SERIES
23-32-47
SCHEMATIC DIAGRAM OF MODULATOR CARD ASSEMBLY (A2)
Figure 106 (Sheet 2)
MOD6 FOR RD-AA5002-12 & MOD8 FOR RD-AA5002-22/23
C270
1000P
R235
22
C272
1000P
C271
1000P
L211
R239
1.5K
R237
22
C273
3P
R238
100
6
11 9 5
12
3
FL210
6
11 9 5
12
3
FL213
4 2
3
1
IC209 R236
33
R233
6 22
11 9 5
12
3
FL209
3
MOD8 FOR RD-AA5002-12 & MOD10 FOR RD-AA5002-22/23
3 3
C272
1000P
C271
1000P
L211
C270
1000P
R235
22
1
2
4
FL209
R233
22 4 2
3
1
IC209
R236
33
1
2
4
FL210
C273
3P
R238
100
R239
1.5K
R237
22
4
4
3 3
R230
(TABLE 1)
R232
(TABLE 1)
R231
(TABLE 1)
R230
(TABLE 1)
R232
(TABLE 1)
R231
(TABLE 1)
5
5

Page 169
Aug 20/2002
Matsushita Avionics Systems Corporation
COMPONENT MAINTENANCE MANUAL
PART NUMBER RD-AA5002 SERIES
23-32-47
REVISION
CODE
REVISION DESCRIPTION EFFECTIVITY
Added Figure 106A to show a modification given
below:
Changed A2 cards because A2FL209 and A2FL210
become unavailable. Changes include: A2FL209
and A2FL210 to new ones, and A2FL213, A2FL230,
A2FL231 and A2FL233 added.
(Refer to Service Bulletin RDAA5002-23-23-13 for
Part No. RD-AA5002-23.)
MOD10 for
RD-AA5002-12,
MOD12 for
RD-AA5002-22 and
RD-AA5002-23,
All units for
RD-AA5002-25
Redrawn for clarification and correction. All part numbers
1 Changed DBM201 and DBM202 (double balanced
mixers) from TDK-made to SMC-made because they
become unavailable from TDK. Change of R230 thru
R232 is also necessary if DBM201 is changed to
SMC-made.
MOD12 for
RD-AA5002-12,
MOD14 for
RD-AA5002-22 and
RD-AA5002-23,
MOD2 for
RD-AA5002-25
Revision Reference Sheet for Figure 106A
Page 170
Feb 20/2002
Matsushita Avionics Systems Corporation
COMPONENT MAINTENANCE MANUAL
PART NUMBER RD-AA5002 SERIES
23-32-47
THIS PAGE IS
INTENTIONALLY
LEFT BLANK.
Page 171/172
Aug 20/2002
Matsushita Avionics Systems Corporation
COMPONENT MAINTENANCE MANUAL
PART NUMBER RD-AA5002 SERIES
23-32-47
SCHEMATIC DIAGRAM OF MODULATOR CARD ASSEMBLY (A2)
Figure 106A
C13
B13
A12
B12
C12
A6
B6
-9V
+8V
A2
CN201
-9V
-9V
+8V
FL202
FL208
　
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