Audio Board; Video Board - Sony HCD-C770 Service Manual

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