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6-16. SCHEMATIC DIAGRAM – VIDEO Board – •
FOR
ADJUSTMENT
CN306
4P
C325
33p
L301
22µH
CT303
20p
CT303
OSD
C326
18p
C328
0.1
VIDEO
BUFFER
C318
R331
1
IC305
50V
BA7622F
C330
VCC
CIN
C315
470
COUT
VIN
10V
C331
VOUT
YIN
10
50V
YOUT
GND
C314
470 10V
C319
0.1
CT302
CT302
C322
10p
JW301
CLOCK
IC304
74HCU04
•
See page 44 for Waveform.
See page 44 for IC Block Diagrams.
R329
10
R330
10
1
3
Q305
R347
R333
2
FL305
2SC2785 3.9k
4.7k
BUFFER
IC307
Q304
MB90089F-
2SC2785
OSD DRIVER
G-238-BND
BUFFER
R349
1.2k
EXD
VSS
XD
EXVSYN
VOB
EXHSYN
R343
R345
VOC2
VSYNC
47k
47k
C339
VOC1
HSYNC
0.1
D301
VOC0
XS
1SS133T
TEST
EXS
C340
SCLK
VCC
2200
10V
SIN
VBLK
1k
C341
CS
FSCO
R348
0.1
10 50V
47k
VOUT
AVCC
COUT
VIN
YOUT
CIN
AVSS
YIN
C329
C333
100p
0.1
OSD
20p
C323
27p
X302
14MHz
R327
330
R324
1M
FL304
1
R328
2
100
FL302
1
3
R334
2
100
C324
0.1
C350
0.1
J303
CONTROL A1 II
E4
C354
J302
(CHASSIS)
0.1
1P
C335
R342
47p
75
MONITOR
OUT VIDEO
J305
C346
3P
R338
C342
10
75
47p
50V
TV/SAT
IN VIDEO
C347
10 50V
DVD/LD
IN VIDEO
R344
75
R339
75
C343
47p
OUT VIDEO
C336
47p
C348
VIDEO 2
10
50V
R340
75
C344
47p
IN VIDEO
R346
75
C337
47p
OUT VIDEO
VIDEO 1
IN VIDEO
C349
10
R341
C345
50V
J304
75
47p
3P
E5
E6
C351
2200p
(CHASSIS)
E7
C352
2200p
(CHASSIS)
C353
(CHASSIS)
2200p
C375
10
50V
C366
10 50V
C362
10 50V
C363
10
50V
C374
0.1
VIDEO SELECT
IC308
NJM-2296M-
3
C358
0.1
C2
C1
C4
C3
29
29
IC310
74ACT08
A3
A2
A1
A4
LEVEL SHIFT
C377
0.1
SW4
SW3
SW2
SW1
C367
C360
0.1
0.1
A4
A3
A2
A1
C373
0.1
LEVEL SHIFT
C365
0.1
IC312
74ACT08
C364
0.1
C378
0.1
STR-DE1075
Ver 1.2
CN301
19P
B1
MBUS-STATUS-OUT
B2
MBUS-TV
B3
MBUS-DVD
B4
MBUS-V1
B5
SIRCS OUT
MONITOR-Y/OUT
MONITOR-C/OUT
MONITOR-Y/IN
MONITOR-C/IN
VIDEO3
S-VIDEO
SW4
BOARD
CN751
SW3
(Page 31)
SW2
SW1
GND
GND
+5V
-5V
+5V(BACK UP)
CN303
21P
B1
MBUS_OUT
B2
MBUS_TV
B3
MBUS_DVD
B4
MBUS_V1
B5
SIRCS
+5V(B_UP)
OSD_DATA
OSD_CS
OSD_CLK
V-SYNC
P/N
GND_A1
CTRL A1
V_SW1
(Page 21)
V_SW2
V SW3
V SW4
-5V
+5V
GND
GND
GND
GND
CN302
2P
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