Block Diagram - Video Section - Sony STRDG500S Service Manual

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