Sony BVM-14M4DE Maintenance Manual page 15

• A BOARD (8/10) (SECAM DECODER, SYNC SELECT, R/R-Y, B/B-Y, G/Y SW, AUDIO SELECT) DIAGRAM
G/Y
8 7 6 5
*
GND 5.6 V+ IC322
MM1113XFBF
LH
G/Y SW
SELECT
C1372
1 2 3 4
47
25V C1382
6.3 0 6.3 0
47
R2385
G/Y
10k
:CHIP
B/B-Y
8 7 6 5
GND * V+ *
IC323
LH
MM1113XFBE
B/B-Y SW
SELECT
C1373
1 2 3 4
47
25V
6.3 0 6.3 0 12V
R2386
10k :CHIP
R/R-Y
8 7 6 5
A-65
5.6
GND V+ *
IC324
LH
MM1113XFBE
A-66
R/R-Y SW
SELECT
A-67
A-68
C1374
A-69 1 2 3 4
47
A-70
25V
6.3 0 6.3 0
R2387
R/R-Y
10k
:CHIP
A-71
CN303
12P
WHT
:S-MICRO
TO BB BOARD CN9
A B
12V
AUDIO
R2389 R1301 R1302
220 R1328 R3302 R3303 R3304 150 150
R/R-Y
:CHIP 1.5M
4.7k 4.7k 4.7k :CHIP :CHIP
:CHIP :CHIP :CHIP :CHIP C351
47
25V
5.6 6.4
8 7 6 5
GND V+ D345 D347
1S2836 1S2836
LH OSD G OSD R
R2338
CLAMP CLAMP 10k
R2399 :CHIP
10k
:CHIP
1 2 3 4
R372
D346 1.5k
6.3 0 6.3 0
:CHIP
1S2835
R2388
IC325 OSD B
10k R3301
MM1113XFBE
CLAMP 10k R368
:CHIP
C1375 AUDIO SELECT :CHIP 1k
4.7 :CHIP
C337
C336 0.01
47 F:CHIP
AUDIO
25V
C332
0.1
Q337
25V
2SD601A
B:CHIP
BUFF
R362 T300 R3345
12V
5.6k 220
:CHIP :CHIP
4.9
4.3
R348
180 R3344
6.3
:CHIP 22k
:CHIP
C322
4.3
120p C327
RH:CHIP 0.1
5.6
25V
B:CHIP R347
Q334
4.7k
2SB709A
:CHIP
INPUT-BUFF
R305
0
:CHIP
R306
C309 R3339 0
0.01 68k :CHIP
F:CHIP :CHIP
C300 R3340
0.01 120k
F:CHIP :CHIP
– 27 –
C D
A A
C348
0.1
B:CHIP
L306 Q347 *
R396
39µH DTC144EKA
470k
:FLR50
SECAM SW
:CHIP
D326
L307
C345
1SV230
15µH
0.001
B-Y COLOR C346
:FLR50 *
:CHIP 1
BALANCE ADJ
C344
R385 C347 0.001 R391 C342
4.7k 47p :CHIP 470k :CHIP 0.0056
37 D339
:CHIP CH:CHIP C341 B:CHIP R384
MA111
120p RH:CHIP 10k
C302
SW :CHIP
3p UJ:CHIP
C1381
18p
UJ :CHIP R383
3.3k
24 23 22 21 20 19 18 17 16 15 14 13
:CHIP
2.7 2.5 2.5 5.0 1.7 2.4 * 2.1 * 0.2
R375 L304
1.5k 15µH
35 36 IC303 38
:CHIP :CHIP
CXA1214P
SECAM DECODER
R319
2.6 2.6 5.0 1.7 1.7 2.6 * 3.8 2.7 2.8 1.8
5.6k
:CHIP
1 2 3 4 5 6 7 8 9 10 11 12
C301 C339
L303
R353 3p 15p
1k UJ:CHIP 39µH C338 CH:CHIP
120p
:CHIP :FLR50
RH :CHIP
C320
0.01
R367
F:CHIP R360
2.8
1.2k
C1393 390 C334
:CHIP
100p :CHIP 0.001 C333 L302
C335
CH:CHIP :CHIP 0.01 15µH
D324
0.001
F:CHIP :CHIP
1SV230 12V
:CHIP
R358
R-Y COLOR
1.5k R359 C331
BALANCE ADJ
R364
:CHIP C329 4.7k
R363
470k
100p :CHIP CH:CHIP
470k
:CHIP
C326 CH:CHIP
Q336 :CHIP
0.1
2SK94-X4
25V C323
* C1369
ID-ATT
B:CHIP R352 15p
27p
10k CH:CHIP
CH:CHIP
:RN-CP
D335
R355 R356
5.2 MA111
2.7k 39k
:CHIP :CHIP SW
R344
0.5
*
120k R341
:CHIP R339 R340 R343 8.2k
8.2k 47k 82k :RN-CP
:CHIP :CHIP :CHIP
Q346
R337 C317
2SD601A
10k 15p
ID-AT T-SW :CHIP CH:CHIP
SECAM DECODER,SYNC SELECT,B/B-Y SW,
(8/10)
R/R-Y SW,G/Y SW,AIDIO SELECT
E
38.DIGITAL (1/10)
98.A-MUTE2 (2/10)
62.AUDIO (9/10)
12V
39.SECAM STOP (1/10)
R379
6.8k
:CHIP
*
*
R371
6.8k
:CHIP
Q349
2SB709A
B-Y BUFF
3.4
Q348
2SB709A
R-Y BUFF
15p
C324
C319 22p
5p CH:CHIP
CH:CHIP
R338
D336
56k
MA111
:CHIP
SW
B-SS9536<U/C>-AICAD09-P8
– 28 –
F G
1
2
3
4
5
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