Sony HCD-PZ1D - Page 72

HCD-PZ1D
72
IC1501 MM1758AFBE
IC811, 812 BU2099FV
– MIC Board –
IC781 BU9253FS-E2
– VIDEO Board –
IC1500 TC74LVX4051FT
– FRONT Board –
IC801 TK11133CSCL-G
16
OSC
CR
15
MUTE
14
VCC
13
AD IN
12
AD OUT
11
LPF OUT
10
LPF IN
9
MIX IN
1
GND
2
ECHO VOL
3
BIAS
4
DA IN
5
DA OUT
6
LPF IN
7
LPF OUT
8
MIX OUT
SRAMCOUNTER
MIX
A/D
D/A
1
D4
2
D6
3
COM
4
D7
5
D5
6
INH
7
VEE
8
GND
9
C
10
B
11
A
12
D3
13
D0
14
D1
15
D2
16
VCC
OUT
C
IN
OUT
C
IN
OUT
C
IN
OUT
C
IN
OUT
C
IN
OUT
C
IN
OUT
C
IN
OUT
C
IN
LOGIC LEVEL CONVERTER
1VCC1
2C IN
3MUTE 1
4CVBS IN
28 VCC2
23 CVBS OUT
25 S1
150k:
BIAS
12CB IN
150k:
BIAS
CLAMP
6dB
6dB
6Y IN
7GND
8BIAS
CLAMP
BIAS
6dB
9I/P
10CY IN
11CLP
13MUTE2
5YC MIX
+
6dB–6dB
6dB
27 S-DC OUT
24 S2
LOW-PASS
FILTER
21 Y OUT
22 GND2
6.75MHz
75:
DRIVER
LOW-PASS
FILTER
6.75MHz
75:
DRIVER
20 CY OUT
75:
DRIVER
S-DC OUT
S1/S2
26 C OUT
LOW-PASS
FILTER
6.75MHz
75:
DRIVER
CLAMP
150k:
BIAS
LOW-PASS
FILTER
6.75MHz
LOW-PASS
FILTER
13.5MHz
18 CB OUT
19 GND2
17 GND2
15 GND2
75:
DRIVER
LOW-PASS
FILTER
6.75MHz
LOW-PASS
FILTER
13.5MHz
14CR IN
150k:
BIAS
16 CR OUT
75:
DRIVER
LOW-PASS
FILTER
6.75MHz
LOW-PASS
FILTER
13.5MHz
6dB
6dB
CONTROL
CIRCUIT
BANDGAP
REFERENCE
+
–
OVER HEAT &
OVER CURRENT
PROTECTION
1
VCONT
3
NP
2
GND
4
VOUT
5
VIN
2
3 4
5
6 7 8 9 10
1117 16 15 14 13 12
CONTROL
CIRCUIT
12 BIT
SHIFT
REGISTER
12 BIT
STORAGE
REGISTER
OUTPUT
BUFFER
(OPEN DRAIN)
1920
VDD OE Q11
18
Q11 Q10 Q9 Q8 Q7 Q6 Q5
Q4 Q3 Q2 Q1 Q0
LCK
CLOCK
DATA
N.C.
1
VSS