Schematic Diagram - Video Board (2/3) - Sony STR-DA7100ES Service Manual

STR-DA7100ES
6-46. SCHEMATIC DIAGRAM – VIDEO BOARD (2/3) –
A5
A7
(Page 105) A6
Y
J3301
MONITOR
P /C /B-Y
B B
OUT
P /C /R-Y
R R
Y
J3302
COMPONENT ASSIGNABLE
P /C /B-Y
B B
VIDEO TV/SAT IN
P /C /R-Y
R R
Y
J3303
ASSIGNABLE
P /C /B-Y
B B
DVD IN
P /C /R-Y
R R
(CHASSIS)
A2
A1
A3
(Page 105)
A4
STR-DA7100ES
See page 150, 151, 153 for IC Block Diagrams.
(2/3)
RY3301
R3301
75
R3302
75
R3303
75
R3307 C3301
75 1 50V
R3308 C3302
75 1 50V
R3309 C3303
75 1 50V
INPUT SELECTOR
IC3331
C3304
NJM2586
R3304 1
75 50V
R3305
75
R3306
75
C3305
R3315 1
0 50V
R3316
0
R3317
0
C3335
C3306 0.1
1
50V
VC_SEL VC_SE2
C3621 10 50V
C3622 10 50V
C3623 0.1
RY3302
D3301
R3311
1SS355 Q3301
10
2SC2712
RELAY DRIVE
R3312
4.7k
R3313
10k
R3318 100
R3319 220 CV
R3320 100
R3321 220 CB
R3322 100
R3323 220 CR/C1
C3333 0.1
C3337 0.1
C3336 L3331
0.1 10 H
C3332 C3334
L3332
47 47
10 H
25V 25V
106 106
GND
YOUT
YIN
VOUT
VIN
COUT
CIN
VCC
IC3604
BA7623F
75 DRIVER
C3625
0.1
IC3605
TC74HC4053AF
C3602
47 25V
C3601
FB3602 VIDEO SWITCH 47
25V
FB3601
L3701 L3702
10 H 10 H
C3707 C3708
0.1 0.1
C3705 C3706
VIDEO AMP
47 47
25V 25V IC3701
LA7106M
C3816
47
NFB3
25V
-5V
Y IN
MUTE2
-5V R3820
C3817
Y OUT 47k
47
NFB2
25V
DRCTL
CB IN
CB OUT
MUTE1 R3821
GND 47k C3818
NFB1 47
CR OUT 25V
CR IN
+5V
R3822
47k
UPCON SW
M_MUTE
COMP ON/OFF
VCMUTE
B1
B2
B3
(Page 107)
CR/C1
B4
CB
B5
CV
B6
B7
B8
B9
(Page 107)
CN3807
7P
R3814 0 GND
CR OUT
R3815 0 GND
CB OUT
R3816 0 GND
(Page 100)
Y OUT
B10
B11
B12
(Page 107)
B13
B14
B15