Sony hcd-hdx501W Service Manual page 78

HCD-HDX500/HDX501W
QQ
3 7 63 1515 0
– REPLAY Board –
IC701, 711 BA6956AN
TSD
1 2 3 4 5
IC312 TC74LCX125FT (EKJ)
1 14 VCC
1 OE
2 13
1A
TE
L 13942296513
12
1Y 3
11
4
2 OE
5 10
2A
9
6
2Y
7 8
GND
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78
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CONTROL LOGIC
6 7 8 9
4 OE
4A
4Y
3 OE
3A
3Y
x ao
y
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http://www.xiaoyu163.com
8
– CCX Board –
IC301 NJM2887DL3 (TE2)
THERMAL
PROTECTION
BANDGAP
REFERENCE
1 2 3
– IO Board –
IC302 MM1758AFBE
150kΩ
VCC1 1
BIAS
Q Q
3 6 7 1 3
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
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.
2 9 9 4 2 8
+
–
4 5
S-DC OUT
S1/S2
75Ω
6.75MHz DRIVER
LOW-PASS
1 5 0 5 8 2 9 9 4
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
m
LOW-PASS
FILTER
co
13.5MHz
9 9
28 VCC2
27 S-DC OUT
2 8 9 9
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