Schematic Diagram - Video Board (1/3) - Sony STR-DA3100ES Service Manual

STR-DA3100ES
6-37. SCHEMATIC DIAGRAM – VIDEO BOARD (1/3) –
C3335
0.1
SYNC DETECT
IC3253
LA7213
C3279
3.3
50V
R3278 R3277
330 150k
P /C /R-Y
R R
TV/SAT IN P /C /B-Y
B B
Y
J3301
COMPONENT
VIDEO
P R /C R /R-Y
ASSIGNABLE
DVD IN P /C /B-Y
B B
Y
P R /C R /R-Y
MONITOR OUT
P B /C B /B-Y
Y
STR-DA3100ES
• See page 67 for Waveforms. • See page 71, 72, 73 for IC Block Diagrams.
(1/3)
CHROMA DECODER
C3323
R3321 10k
10
50V
C3701
1
C3324
R3322 10k 50V
10
50V
R3324 100
C3702
R3323 10k C3325
1
10
50V
50V
IC3321
LA7106M
C3336
VIDEO AMP 0.1
D3253 D3254
1SS352 1SS352
R3276
4.7k
R3275 FB3252
2.2k
C3278 C3277
C3276 Q3252 R3304
100 1000
0.1 DTC144EKA 2.2k
16V 6.3V
INVERTER
C3275
10
50V
RY3301
R3302 R3319
75 0
R3301 R3318
75 0
R3307
D3301
1SS352
RY3302
R3303 R3320
75 0
Q3301,3304
DELAY DRIVE
Q3301
2SC2712-YG
R3305
10k
Q3304
2SC2712-YG R3316
R3315 4.7k
10k
RY3304
D3302
1SS352
X3703
500KHz
R3711 R3710
8.2k 330
R3713 2.2k
C3715 0.0047 R3708 220
C3714 1 50V R3707 100
R3706 100
R3705 100
IC3701
CXA2199
C3713 0.47 50V
R3704 47k
C3716 0.1 C3723
10
50V
FB3801
C3712
47
16V
C3751
0.1 0.0022
R3701
1.5k
R3703
15k
C3709
C3707 C3641
0.47 C3710 C3711
15p 10
470p 0.01
50V
50V
VCMUTE
C3753
0.0022
RY3303
C3812
0.1
OSDSEL
DATA DECODER
IC3812
SN74HC595ANSR
OSD_ON
Q3302 UP_SEL
2SC2712-YG
UPMUTE
RELAY DRIVE
COMP SEL 1
VCMUTE
M_MUTE
COMP SEL 2
10k
R3306
4.7k
COMP SEL 1
VSEL1
DATA DECODER
IC3813
SN74HC595ANSR
VSEL2
VSEL3
VSEL4
VSEL2-1
VSEL2-2
VSEL2-3
VSEL2-4
COMP SEL 2
JR3801
0
52 52
D3721 D3722 D3723
1SS352 1SS352 1SS352
C3724 100 16V
Q3701
2SA1162 YG
BUFFER
C3720 R3714
SYNC DETECT
100p 3.3k
IC3731
R3715 R3716 R3734 LA7213
3.3k 3.3k 1k
D3731 R3733
1SS352 4.7k
Q3731
DTC144EKA C3733
R3717 C3734
1000
180k INVERTER 0.1
6.3V
D3671
1SS352
C3752
OSD SELECT
IC3751
TC4053BF
D3732
1SS352
R3809
10k
C3808
100p
C3809
100p
C3813
0.1
(Page 53)
C3731
3.3 R3731
50V 330
C3732
R3732
100
150k
16V
CN3801
17P
-5V
C3803 100 16V VGND
C3801 100 16V +5V
C3805 100 16V V+9V
UP COM SCL
UP CON SDA
C+5V
R3801 100 COM CLK
R3802 100 V595 LAT
R3804 100 V595 OE
R3803 100 COM DATA
OSD LAT
OSD CLK
OSD DATA
STB GND
STB+5V
SIRCS IN (Page 25)
CN3804
5P
STB GND
STB GND
STB+5V
STB+5V
SIRCS IN
(Page 58)
C1
(Page 54)