Sony HCD-HDX275 Service Manual page 71

HCD-HDX275/HDX277WC/HDX279W/HDX475/HDX576WF/HDX675
IC806 S-T111B33MC-OGSTFG
ON/OFF 1
ON/OFF
CIRCUIT
VSS
2
NC
3
– I/O Board –
IC404 MM1758AFBE
150kΩ
VCC1 1
BIAS
C IN 2 6dB
MUTE 1 3
+
CLAMP –6dB 6dB
CVBS IN 4 6dB
YC MIX 5
CLAMP
Y IN 6 6dB
GND 7
BIAS 8 BIAS
I/P 9
CY IN 10 6dB
150kΩ
CLAMP
BIAS
CLP 11
150kΩ
BIAS
CB IN 12 6dB
MUTE2 13
150kΩ
BIAS
CR IN 14 6dB
5
4
OVER CURRENT
PROTECTOR
REFERENCE
VOLTAGE CIRCUIT
S-DC OUT
S1/S2
75Ω
6.75MHz DRIVER
LOW-PASS
FILTER
75Ω
6.75MHz DRIVER
LOW-PASS
FILTER
75Ω
6.75MHz DRIVER
LOW-PASS
FILTER
6.75MHz
75Ω
LOW-PASS
DRIVER
FILTER
LOW-PASS
FILTER
13.5MHz
6.75MHz
75Ω
LOW-PASS
DRIVER
FILTER
LOW-PASS
FILTER
13.5MHz
6.75MHz
75Ω
LOW-PASS
DRIVER
FILTER
LOW-PASS
FILTER
13.5MHz
VIN
VOUT
28 VCC2
27 S-DC OUT
26 C OUT
25 S1
24 S2
23 CVBS OUT
22 GND2
21 Y OUT
20 CY OUT
19 GND2
18 CB OUT
17 GND2
16 CR OUT
15 GND2
IC407, 409, 411 MC14052 BDR2
2Y0 1 16
15
2Y2 2
14
2-COM 3
13
2Y3 4
12
2Y1 5
INH 6
11
GND 7 10
GND 8
VCC
1Y2
1Y1
1-COM
1Y0
1Y3
A
9 B
71