Schematic Diagram - Video Board - Sony STR-DA2ES Service Manual

6-16. SCHEMATIC DIAGRAM – VIDEO Board – •
CN306
4P
U1
U2
(FOR CHECK)
R320
1k
U3
R322
1k
C314 C318
470 1
10V 50V
∗ C315
1000 6.3V (DA2ES)
470 10V (DB1080)
(DB1080)
JW315
C315
∗
R321
1k
JW316
CN390
7P
V
GND
+5V
+7V
Y
(Page 33)
C
(DA2ES)
C354
(CHASSIS) 0.1
J303
CONTROL
A1
J302
1P
MONITOR
OUT VIDEO
R338
J305 75
TV/SAT
3P
IN VIDEO
R339
DVD/LD
IN VIDEO
OUT VIDEO
VIDEO 2
R340 C344
J304 75
3P
IN VIDEO
OUT VIDEO
VIDEO 1
IN VIDEO
R341
J301
9P
P R /C R /R-Y
MONITOR OUT
P B /C B /B-Y
Y
P /C /R-Y
R R
COMPONENT
TV/SAT IN
P B /C B /B-Y
VIDEO
Y
P R /C R /R-Y
DVD/LD IN
P /C /B-Y
B B
Y
EB301
(DB1080:AEP,UK)
(CHASSIS)
C301
(CHASSIS) 2200p
(EXCEPT DB1080:AEP,UK)
•
See page 48 for Waveforms. See page 50 for IC Block Diagrams.
C328 0.1 R333 4.7k
C340
C325
2200
33p
10V
EXD VSS
XD EXVSYN
VOB EXHSYN
C326 L301
VOC2 VSYNC
12p 22µH
VOC1 HSYNC
VOC0 XS
U1
TEST EXS
T3 R330 10
VIDEO BUFFER SCLK VCC
T2 R329 10
SIN VBLK
T1 R331 1k
IC305 CS FSCO
BA7622F C330 10 50V
VOUT AVCC
VCC CIN
COUT VIN
COUT VIN
YOUT CIN
VOUT YIN C331
AVSS YIN
10 50V
C329
YOUT GND
100p
IC307
C319 MB90089
0.1 OSD DRIVER
R390 R391 R394
1 Q390 10k 10k
2SA1015
D390
1SS133 Q392
2SC2785
-1 R392
2.2k
Q390-394
RELAY DRIVE
-2
Q391
DTC114ESA
R395 C392
2.2k 10
RY390
50V
C390
R396 R393
22
10k 1.5k
50V
R342
75
C335
47p
C346
10 50V
Q5
(EXCEPT DA2ES/DB1080:KR)
C342
C347 C333
47p
10 50V 0.1
75 Q6
C343
R344 R335 R336
47p FL303
75 75 75
Q1
1 3
C336
47p 2
C348
47p 10 50V
Q2
R346
75
Q3
C337
C349
47p
10 50V
Q4
C345 47p
R334
100 C332
75
0.1
(DA2ES/DB1080:KR) COMPARATOR
R303 75
RR3
R332 100
R302
75
RR2
2 C324
R301 0.1
3 1
75
RR1
FL302
C309 R328
10 50V 100
RR6
R309 C308 C323 X302
75 10 50V 33p 14.31818MHz
RR5
CT302 20p
R306 C313 R327 R324
75 10 50V 330 1M
RR4 C322 10p
R304 C312
75 10 50V
RR9
C320 27p
R319 R317
330 1M
CT301 20p
R310 C311
75 10 50V
RR8 X301
17.734475MHz
R307 C310
75 10 50V
RR7
(EXCEPT DA2ES/DB1080:KR)
R305 75
JW301
(DA2ES/DB1080:KR)
FL305
1 3
R347
2
C384 3.9k
0.1
Q305
2SC2785
U3 V SYNC
BUFFER
U2
C355
C341 R348 10
0.1 47k 50V
Q304
C339
2SC2785
0.1
Y SYNC
BUFFER
R349
1.2k
R343 R345
47k 47k
R398
R397
1k C361
1k
1000
6.3V
Q394
2SC2785
R399
220
Q393
R389 C393
2SA1015
1.5k 10 50V
SW3
1 3
FL304
2
VIDEO
SELECTOR
IC308
NJM-2595D
C350
IC306
0.1
74HC00
R323
75
1
IC304
74HCU04
2
3
VIDEO AMP
R318 IC301
75 NJM2581D
CLOCK
29 29
∗
19P
15P
IC310 74ACT08
S2
T1 S3
T3
S4
S1
T2
C377
0.1
LEVEL SHIFT
C375 10 50V
C366 10 50V
C362 10 50V
SYNC
SYNC
SEPARATOR R352
SEPARATOR
330
C368
IC309
1 IC311
LA7213
50V LA7213
C372
R353 C370
1000
150k 0.1 R356
6.3V
150k
C363
C373 R351 C374
10
0.1 75 0.1
50V
SW4
C358
0.1
SW3 SW4
VIDEO
SELECTOR
IC303
TC74HC4053AF
C379 C380
0.1 0.1
Q302
BA1A4M
INVERTER C382 C381
0.1 0.1
The components identified by mark 0 or dotted
line with mark 0 are critical for safety.
Replace only with part number specified.
STR-DA2ES/DB1080
CN301
CN301
(DA2ES) ∗
(DA2ES)
R1 MBUS-STATUS-OUT
(DB1080)
R2 MBUS-TV
R3 MBUS-DVD
R4 MBUS-V1
R5
SIRCS OUT
MONITOR-Y/OUT
MONITOR-C/OUT
MONITOR-Y/IN
MONITOR-C/IN
VIDEO3
SW4 SW4
SW3 SW3
(Page 31)
SW2 SW2
SW1 SW1
GND
GND
+5V
-5V
R6 +5.6V (BACK UP)
CN303
21P (DA2ES)
(DA2ES) 15P (DB1080)
R1 MBUS-STATUS-OUT
R2 MBUS-TV
R3 MBUS-DVD
R4 MBUS-V1
R5 SIRCS OUT
R6 +5V (STBY)
S1
OSD DATA
S2 OSD CS
S3 OSD CLK
V-SINK
S4 P/N
CTL A1 GND
CTRL A1
SW1 JW311 V SW1
(Page 25)
SW2 JW312 V SW2
SW3 JW313 V SW3
SW4 JW314 V SW4
-5V
+5V
+7V
GND
CN302
2P
V GND
V GND
(Page 36)
C352
2200p
C353 (CHASSIS)
2200p
C351 (CHASSIS)
2200p
(CHASSIS)
(EXCEPT DB1080:AEP,UK)
Les composants identifiés par une marque 0 sont
critiques pour la sécurité. Ne les remplacer que
par une pièce portant le numéro spécifié.