Read Sony STR-DG500 / STR-DG600 Service Manual online
STR-DG500/DG600
17
17
STR-DG500/DG600
4-3. BLOCK DIAGRAM — VIDEO SECTION —
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
DG600
1
2
SYNC
SEPARATION
HDMI
CONTROL
IC1602
7
13
13
6
5
5
4
3
3
2
7
25
I LINE
MEMORY
COLOR
KILLER
KILLER
I2C
BUS
DYNAMIC
COMB
FILTER
DAC
27
DAC
ADC
VIDEO AMP
Q327
YC
IN
IN
SYSTEM
CLOCK
YOUT
COUT
FSC
Y/C SEPARATION
IC370
Y PROCESS
Q371
1
4
BUFFER
IC372
15
16
IC375
E2,MY,SP,TH MODEL
UPCON
UPCON CLK
D595 OE
D595 LAT
D595 CLK
D595 DATA
D595 LAT
D595 CLK
D595 DATA
CLOCK
GENERATOR
JW3501
US,CND MODEL
19
PLL
12
12
11
11
14
9
PAL/NTSC
1
14
SYSTEM
CONTROL
IC1101 (3/5)
33
1
16
CLOCK
GENERATOR
1
16
7
4
34
88
89
89
87
86
SCL
DG600
SDA
S-VIDEO
OUT
S-VIDEO
OUT
C PROCESS
Q373
8
5
X372
3.57MHz (US,CND)
4.43MHz (E2,MY,SP,TH)
3.57MHz (US,CND)
4.43MHz (E2,MY,SP,TH)
X371
3.57MHz
IC374
IC373
PAL/NTSC
SWITCHING
PAL
NTSC
7
4
2
6
9
11
12
• Signal path
: VIDEO
• Abbreviation
CND: Canadian model
E2 : 120V AC area in E model
MY : Malaysia model
SP : Singapore model
TH : Thai model
Ver. 1.1
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