STR-DH500 - Sony Audio Service Manual (repair manual). Page 14

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STR-DH500
STR-DH500
14
14
1
CH1 IN1
CH2 IN1
CH3 IN1
CH1 IN2
CH2 IN2
CH3 IN2
CHI OUT
CH2 OUT
CH3 OUT
3
8
10
17
15
2
4
SW1
SW2
COMPONENT
SW1
COMPONENT
SW2
24
75Ω
DRIVER
6dB AMP
22
75Ω
DRIVER
6dB AMP
20
75Ω
DRIVER
6dB AMP
23
PS
PS(V-MUTE)
6
14
4
13
5
3
1
75Ω
DRIVER
6dB AMP
15
3
1
75Ω
DRIVER
6dB AMP
+5V
REG
IC201
+5V-3
3
2
-5V
REG
IC202
-5V-3
COMP_S1
COMP_S2
V_SW2
V_SW3
V_MUTE
V_SW1
COMPONENT SW1
COMPONENT SW2
COMPOSITE SW2
COMPOSITE SW3
COMPOSITE SW4
PS(V-MUTE)
COMPOSITE SW1
SYSTEM CONTROL
IC1101 (3/5)
-5V
-5V-3
+5V
+5V-3
+15V
-15V
VOUT1
VOUT2
V-1,-2
-5V-3
V+1,+2
+5V-3
VIN1
VIN4
VIN5
COMPOSITE SW4
COMPOSITE
SW1
COMPOSITE SW2
COMPOSITE SW3
SW4
SW1
2
SW5
10
SW2
SW3
INPUT SELECT
IC210
COMPONENT VIDEO SELECT
IC220
4
3
2
5
6
7
V_SW4
9
Y
P
B/
C
B
P
R/
C
R
Y
P
B/
C
B
P
R/
C
R
J220 (1/2)
DVD
IN
SAT
IN
COMPONENT
VIDEO
-4
-5
-6
-1
-2
-3
J210 (1/2)
J211 (1/2)
VIDEO
IN
VIDEO
IN
-1
VIDEO
SAT
DVD
-1
VIDEO
IN
-2
D211
D210
Y
P
R/
C
R
P
B/
C
B
J220 (2/2)
MONITOR
OUT
COMPONENT
VIDEO
-7
-8
-9
-2
J210 (2/2)
J211 (2/2)
VIDEO
OUT
VIDEO
-3
VIDEO
OUT
MONITOR
• Signal path
            : VIDEO
4-3.  BLOCK  DIAGRAM  – VIDEO Section –
Ver. 1.1
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