Block Diagram - Video Section - Sony STR-DG500 Service Manual

4-3. BLOCK DIAGRAM — VIDEO SECTION —
J301 (1/2)
CH1 IN2
Y 3
-4 CH1 IN3
5
VIDEO 2
P B/ C B/ B-Y
IN
-5 CH2 IN2
9
(ASSIGNABLE)
CH2 IN3
P R/ C R/ R-Y 11
-6
CH3 IN2
COMPONENT
14
-1
VIDEO CH3 IN3
12
Y
-2
DVD
P C B-Y
B/ B/
IN
-3
(ASSIGNABLE)
P R/ C R/ R-Y
VIDEO
SELECTOR
IC203
J201 (1/2)
-1
V1
VIDEO
VIDEO 1
13
IN
J200 (1/2)
-2
V2
VIDEO
VIDEO 2 5
IN
-1
DVD
VIDEO
DVD 3
IN
J298 (1/2)
-1
V3
VIDEO 3 IN/
9
VIDEO
PORTABLE AV IN
NC
7
• Signal path
: VIDEO
DG600
J253 (1/2) V1
13
Y
-2 G
S-VIDEO DVD
VIDEO 1
3
IN
V2
5
G
C
NC
7
V3
9
J252 (1/2)
-1 Y
G
S-VIDEO
DVD
IN
G
C
J252 (2/2)
V1
-2 Y
G
13
S-VIDEO
VIDEO 2
IN
DVD
3
G
C
V2
5
NC
7
V3
9
STR-DG500/DG600
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COMPONENT VIDEO SELECT
IC304
V+1,+2
+5V-3
6dB AMP
J301 (2/2)
CHI OUT
75Ω
22
DRIVER
6dB AMP
CH2 OUT
75Ω
20
DRIVER
6dB AMP
CH3 OUT
75Ω
18
DRIVER
V-1,-2
-5V-3
SW1 SW2
2 4
COMP SW1 COMP SW2
6dB AMP
75Ω
DRIVER
6dB AMP
75Ω
DRIVER
10 4 6 14 2
OR
D203,204
Y SWITCH
IC251
6dB AMP
75Ω
DRIVER
6dB AMP
75Ω
DRIVER
10 4 6 14 2
C SWITCH
IC252
6dB AMP
75Ω
DRIVER
6dB AMP
75Ω
DRIVER
10 4 6 14 2
OR
D251,252
VIDEO AMP
Y
-7
MONITOR COMPONENT
P C B-Y VIDEO
B/ B/ OUT
-8
P C R-Y
R/ R/
-9
IC807
+5V
+15V
+5V-3 1 3
REG
IC804
VCC
-5V
+5V-3
-5V-3 -15V
3 2
REG J200 (2/2)
V1.OUT
15
J201 (2/2)
M.OUT
1
SW1
7
VEE
SW2
-5V-3
6
SW3
5
SW4
4
CONTROL
COMP SW1
3
COMP SW2
2
VCC
+5V-3
V1.OUT J253 (2/2)
15
Y
M.OUT
1
C
VEE
IC253
-5V-3
RELAY
SYNC
1 2
DRIVER
SEPARATION
Q250,251
VCC
+5V-3 Y
V1.OUT
15
C
M.OUT
1
VEE
-5V-3
17 17
DG600
Y/C SEPARATION
IC370
Q327 YC
IN
7 ADC
DYNAMIC
COLOR
COMB
KILLER
FILTER
I LINE
MEMORY
I2C
BUS
SYSTEM
PLL
CLOCK
SCL SDA
15 16
X372
3.57MHz
-3
VIDEO 33
UPCON
VIDEO 1
OUT
34
UPCON CLK
88
D595 OE
89 D595 LAT
87
D595 CLK
-2
86 D595 DATA
VIDEO
MONITOR
OUT
IC1601 IC1602
DATA
14
OE
13 13
LAT
12 12
HDMI
VIDEO
CLK
11 11
CONTROL
SIN SOUT
14 9
-1
G
S-VIDEO
VIDEO 1
OUT
G
RY250
J251
G
S-VIDEO
MONITOR
OUT
G
STR-DG500/DG600
BUFFER
IC372
YOUT
Y PROCESS
DAC 25 1 4
Q371
COUT
C PROCESS
DAC 27 8 5
Q373
FSC
19
IC375
CLOCK
4 7
GENERATOR
SYSTEM
CONTROL
IC1101 (3/5)