Sony DG510 Service Manual - Page 17

Block Diagram - Video

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5-3. BLOCK DIAGRAM - VIDEO SECTION - SAT IN COMPONENT VIDEO DVD IN J251 (1/2) Y -1 PB/CB -2 PR/CR -3 -4 Y -5 PB/CB -6 PR/CR VIDEO 1 DVD SAT -1 J201 (1/2) VIDEO IN -2 J202 (1/2) VIDEO IN -1 VIDEO IN COMPONENT VIDEO SELECT IC251 3 CH1 IN2 CH1 IN3 5 9 CH2 IN2 CH2 IN3 11 14 CH3 IN2 CH3 IN3 12 6dB AMP 6dB AMP 6dB AMP 75Ω DRIVER 75Ω DRIVER 75Ω DRIVER SW1 SW2 P.SAVE V+1,+2 +5V-3 J251 (2/2) CHI OUT 22 Y -7 CH2 OUT 20 PB/CB -8 CH3 OUT 18 -9 V-1,-2 -5V-3 PR/CR 2 4 21 COMP SW1 COMP SW2 COMP MUTE MONITOR OUT COMPONENT VIDEO INPUT SELECTOR IC203 VIN1 12 VIN2 3 VIN3 1 13 SW2 SW1 6dB AMP +5V +5V-3 75Ω DRIVER VOUT1 10 +5V-3 -5V-3 IC807 3 +5V REG 1 IC804 3 -5V REG 2 +16V -16V J201 (2/2) -2 VIDEO OUT MONITOR 6dB AMP 75Ω DRIVER VOUT2 5 J202 (2/2) -3 VIDEO OUT VIDEO 1 MUTE 2 11 -5V -5V-3 SYSTEM CONTROL IC1101 (3/6) COMP SW1 91 COMP_S1 COMP SW2 90 COMP_S2 COMP MUTE 78 COMP MUTE V_SW1 24 V_SW1 V_SW2 25 V_SW2 V_SW3 75 V_SW3 • Signal path : VIDEO STR-DG510 V_SW3 V_SW2 V_SW1 STR-DG510 17 17

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STR-DG510
17
17
STR-DG510
5-3. 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
2
4
Y
P
B/
C
B
P
R/
C
R
Y
SW1
SW2
COMP SW1
COMP SW2
P
B/
C
B
P
R/
C
R
J251 (1/2)
J201 (1/2)
22
75
Ω
DRIVER
6dB AMP
20
75
Ω
DRIVER
6dB AMP
18
75
Ω
DRIVER
6dB AMP
21
P.SAVE
COMP MUTE
13
2
11
12
J202 (1/2)
3
1
SAT
IN
DVD
IN
VIDEO
IN
VIDEO
IN
COMPONENT
VIDEO
-1
-2
-3
-4
-5
-6
Y
P
R/
C
R
P
B/
C
B
J251 (2/2)
MONITOR
OUT
COMPONENT
VIDEO
-7
10
75
Ω
DRIVER
6dB AMP
5
3
1
75
Ω
DRIVER
6dB AMP
-2
J201 (2/2)
J202 (2/2)
-8
-9
-1
VIDEO 1
DVD
SAT
-2
VIDEO
IN
-1
VIDEO
OUT
VIDEO 1
-3
VIDEO
OUT
MONITOR
+5V
REG
IC807
+5V-3
3
2
-5V
REG
IC804
-5V-3
COMP_S1
COMP_S2
V_SW2
V_SW3
COMP MUTE
V_SW1
COMP SW1
COMP SW2
V_SW2
V_SW3
COMP MUTE
V_SW1
SYSTEM CONTROL
IC1101 (3/6)
-5V
-5V-3
+5V
+5V-3
+16V
-16V
VOUT1
VOUT2
V-1,-2
-5V-3
V+1,+2
+5V-3
VIN1
VIN2
VIN3
V_SW1
V_SW2
V_SW3
SW2
SW1
MUTE
INPUT
SELECTOR
IC203
COMPONENT VIDEO SELECT
IC251
91
90
78
24
25
75
• Signal path
: VIDEO