Read Sony STR-DG500 Service Manual online
STR-DG500
16
STR-DG500
4-3. DIAGRAMA EM BLOCOS — SEÇÃO VIDEO —
3
CH1 IN2
CH2 IN2
CH3 IN2
CH1 IN3
CH2 IN3
CH3 IN3
CHI OUT
CH2 OUT
CH3 OUT
5
9
11
14
12
12
2
4
Y
P
B/
C
B/
B-Y
P
R/
C
R/
R-Y
Y
SW1
SW2
COMP SW1
COMP SW2
P
B/
C
B/
B-Y
P
R/
C
R/
R-Y
J301 (1/2)
(ASSIGNABLE)
(ASSIGNABLE)
J201 (1/2)
22
75Ω
DRIVER
6dB AMP
20
75Ω
DRIVER
6dB AMP
18
75Ω
DRIVER
6dB AMP
10
6
14
2
13
J200 (1/2)
5
3
4
VIDEO 2
IN
DVD
IN
VIDEO
IN
VIDEO
IN
COMPONENT
VIDEO
-4
-5
-6
-1
-2
-3
Y
P
R/
C
R/
R-Y
P
B/
C
B/
B-Y
J301 (2/2)
MONITOR
OUT
COMPONENT
VIDEO
-7
15
75Ω
DRIVER
RELAY
DRIVER
Q250,251
6dB AMP
1
1
3
75Ω
DRIVER
6dB AMP
-3
J200 (2/2)
J201 (2/2)
-8
-9
-1
VIDEO 1
J298 (1/2)
VIDEO
-1
VIDEO 3 IN/
PORTABLE AV IN
VIDEO 2
DVD
-2
VIDEO
IN
-1
VIDEO
OUT
VIDEO 1
-2
VIDEO
OUT
MONITOR
+5V
REG
IC807
+5V-3
3
2
-5V
REG
IC804
-5V-3
SW1
SW2
COMP SW1
SIN
SOUT
LAT
CLK
OE
DATA
COMP SW2
SW3
SW4
VIDEO
CONTROL
IC1601
D203,204
OR
VEE
-5V-3
VCC
+5V-3
+15V
-15V
V1.OUT
M.OUT
V-1,-2
-5V-3
V+1,+2
+5V-3
V1
V2
DVD
V3
NC
SW2
SW4
SW3
SW1
SW2
SW3
SW4
SW1
SW5
VIDEO
SELECTOR
IC203
COMPONENT VIDEO SELECT
IC304
7
9
OR
J253 (1/2)
J252 (1/2)
J252 (2/2)
S-VIDEO
IN
-2
VIDEO 1
S-VIDEO
IN
-1
DVD
S-VIDEO
IN
-2
VIDEO 2
13
3
5
10
6
14
2
15
75Ω
DRIVER
6dB AMP
1
75Ω
DRIVER
6dB AMP
13
3
5
10
6
14
2
15
75Ω
DRIVER
6dB AMP
1
75Ω
DRIVER
6dB AMP
Y
C
G
G
J253 (2/2)
-1
IC253
RY250
VIDEO 1
Y
C
G
G
MONITOR
Y
C
G
G
Y
C
G
G
Y
C
G
G
J251
VEE
-5V-3
VCC
+5V-3
VEE
-5V-3
VCC
+5V-3
V1.OUT
M.OUT
V1.OUT
M.OUT
V1
DVD
V2
V2
7
9
NC
V3
V3
V1
DVD
V2
V2
SW2
SW4
SW1
SW5
SW2
SW4
SW1
SW5
SW2
7
9
NC
V3
V3
SW2
SW4
SW1
SW5
SW4
4
4
SW3
SW3
SW3
SW3
SW1
SW5
Y SWITCH
IC251
C SWITCH
IC252
D251,252
1
2
SYNC
SEPARATION
HDMI
CONTROL
IC1602
7
13
13
6
5
5
4
3
3
2
UPCON
UPCON CLK
D595 OE
D595 LAT
D595 CLK
D595 DATA
D595 LAT
D595 CLK
D595 DATA
12
12
11
11
14
9
14
SYSTEM
CONTROL
IC1101 (3/5)
33
34
88
89
89
87
86
S-VIDEO
OUT
S-VIDEO
OUT
• Signal path
: VIDEO
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