Sony HCD-C770 - Audio Board; Video Board

85
HCD-C770/C990
IC202 MC14052 BDR2
IC208 MM1568
ANALOG
DIGITAL
RCLK NC XO XI
VSS2
T2
VDD2
T1
QUAL
RDAT
VREF
MUX
VDD1
VSS1 VSS3
CMP
1 43 65 872
141516 13 12
11
10 9
CLOCK
PLL 57kHz
RDS/ARI
COMPARATOR
8th SWITCHED
CAPACITOR
FILTER
ANTI-ALIASING
FILTER
BIPHASE
DECODER
PLL
1187.5Hz
DEFFERENTIAL
DECODER
TEST
– AUDIO Board –
IC201 BU1924F-E2 (AEP only)
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
2X0
X2
VDD
X1
XCOM
X0
X3
A
B
VSS
VEE
INH
2X1
2X3
2XCOM
2X2
– VIDEO Board –
IC206 MM1510
4
1
SAG
2
OUT
3
VCC
IN
5
GND
6
PS
BIAS
CLAMP
DRIVER
IC207 NJM2235V (TE2)
1
2
3
4
6
5
7
8
VIN 1
SW 1
SW 2
V+
VIN 3
V OUT
GND
VIN 2
BIAS
BUFFER
4dB
4dB
VCC2
75Ω
DRIVER
LPF
LPF
LPF
75Ω
DRIVER
2dB4dB
2dB
75Ω
DRIVER
2dB
75Ω
DRIVER
2dB
4dB
75Ω
DRIVER
2dB
4dB
75Ω
DRIVER
4dB
2dB
CIN
2
VIN
4
MUTE1
3
YC MIX
5
YIN
6
BIAS
7
GND1
8
NC
9
GND1
10
NC
11
CYIN
12
CLP
13
CbIN
14
CrIN
16
GND2
17
MUTE2
15
VCC1
1
34
CrSAG
18
CrOUT
19
CbSAG
21
GND2
20
CbOUT
22
CYSAG
24
GND2
23
GND2
26
CYOUT
25
YSAG
27
YOUT
28
VSAG
30
GND2
29
GND2
32
VOUT
31
COUT
33
+
BIAS
BIAS
BIAS
BIAS
BIAS
CLAMP
CLAMP
CLAMP
LPF
LPF
LPF