Block Diagram - Video Section - Sony STR-DG810 Service Manual

Q Q
3 7 6 3 1 5 1 5 0
5-3. BLOCK DIAGRAM — VIDEO SECTION —
J301
–1
Y
–2
P C
B/ B
SAT
VIDEO
–3
P C
IN R/ R
–4
Y
V5
DVD
COMPONENT
P C
B/ B
VIDEO
VIDEO
IN –6
P C
R/ R
V7
Y
–8
VIDEO 1
P B/ C B
IN
–9
P C
R/ R
J201 (1/2)
–1
VIDEO
VIDEO 1
IN
J200 (1/2)
–2
VIDEO
DVD
IN
–1
VIDEO
SAT
IN
T E
L 1 3 9 4 2 2 9 6 5 1 3
J298 (1/2)
–1
VIDEO 3 IN/
VIDEO
PORTABLE AV IN
w w w
STR-DG810
COMPONENT VIDEO SELECT
IC304
V+1,+2
6dB AMP
CH1 IN1
1
CH1 OUT
CH1 IN2 75Ω
3 22
DRIVER
CH1 IN3
5
6dB AMP
CH2 IN1
7
CH2 OUT
CH2 IN2 75Ω
9
20
DRIVER
CH2 IN3
11
CH3 IN1 6dB AMP
16
CH3 OUT
75Ω
CH3 IN2
14 18
DRIVER
CH3 IN3
12
V-1,-2
SW1 SW2 P.SAVE
2 4 21
COMP_S1 COMP_S2 V MUTE
INPUT
SELECTOR
IC203
V1
6dB AMP
13
DVD
5
6dB AMP
SAT
3
V3
9
14 2 10 4 6
D203 D204
x a o
y
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+5V-3
J302
Y
–1
MONITOR COMPONENT
P B/ C B
OUT VIDEO
–2
P R/ C R
–3
–5V-3
IC807
+5V
+15V
+5V-3 2 1
REG
IC804
–5V
–5V-3 –15V
2 1
REG
VCC
+5V-3
M.OUT
75Ω
1
DRIVER
75Ω V1 OUT
Q Q
15
3 7 6
DRIVER
VEE
–5V-3
VIDEO CONTROL
IC230
V MUTE
15
QA
COMP_S2
2 QC
COMP_S1
CLK 11
3 QD
V_SW4
4
QE
LAT 12
V_SW3
5 QF
V_SW2
S-IN
6 QG
V_SW1
7 QH
HDMI SELECT
DCAC_ON/OFF
DIGITAL
F
SECTION
(Page 16) TC74HC153_A
TC74HC153_B
(Page 21)
POWER
H
HP RY
SECTION
HDMI
I
REG CTRL
SECTION
(Page 18)
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• Signal path
: VIDEO
J201 (2/2)
-2
VIDEO
MONITOR
OUT
J200 (2/2)
-3
VIDEO
VIDEO 1
3 1 5 1 5 0 8 9 2
OUT
SYSTEM CONTROL
IC1010 (3/7)
35 D595LAT
33 D595CLK
VIDEO CONTROL
BUFFER
IC1602
11 CLK
12 LAT
14 9 S-OUT
S-IN 14 32 D595DATA
15 QA
1 QB
2 QC
5
QF
6 QG
7
QH
m
c o
STR-DG810
2
8 9 9
4 9 8 2 9 9