Sony HCD-LF1 Service Manual page 67

IC302 PCM1609KPTR
36 35 34 33
FUNCTION
RST 37
CONTROL
INTERFACE
SYSTEM
SCKI 38
CLOCK
SCKO 39
MANAGER
BCK 40
LRCK 41
TEST 42
4X/8X
OVER SAMPLING
SERIAL
DIGITAL
VDD 43
INPUT
FILTER
INTERFACE
WITH
DGND 44
FUNCTION
CONTROLLER
DATA1 45
DATA2 46
DATA3 47
ZEROA 48
ZERO DETECT
1 2 3 4 5
– I/O Board –
IC201 MM1623BFBE
1
VCC1
150kΩ
BIAS
2 6dB
C IN
3
MUTE 1
-6dB 6dB
CLAMP
CVBS IN 4 6dB
YC MIX 5
CLAMP
Y IN 6
7
GND1
6dB
BIAS
8 BIAS
I/P
9 6dB
CY IN 10
150kΩ
CLAMP
BIAS
CLP 11 6dB
150kΩ
BIAS
12
CB IN
13
MUTE2 6dB
150kΩ
BIAS
14
CR IN
32 31 30
29
DAC
DAC
DAC
ENHANCED
MULTI-
DAC
LEVEL
DELTA-
SIGMA
MOJULE
DAC
DAC
DAC
DAC
6 7 8
S-DC OUT
28 VCC2
S1/S2
200Ω
27
S-DC OUT
75Ω
26
LPF C OUT
DRIVER
6.75MHz
25 S1
24 S2
75Ω
LPF 23 CVBS OUT
DRIVER
6.75MHz
22
GND2
75Ω
LPF
DRIVER
6.75MHz
21
Y OUT
6.75MHz
LPF
75Ω
20
CY OUT
DRIVER
LPF
13.5MHz
19 GND2
6.75MHz
LPF
75Ω
18 CB OUT
DRIVER
LPF
13.5MHz
17
GND2
6.75MHz
LPF
75Ω
16
CR OUT
DRIVER
LPF
13.5MHz
15
GND2
28 27 26 25
24
23
22
21
LPF 20
19
LPF
18
17
LPF
16
LPF
15
LPF
14
LPF
13
LPF
LPF
9 10 11 12
– DRIVER Board –
IC701 BA6956AN
1 2 3
VCC3
AGND3
VCC4
AGND4
VOUT8
AGND6
VCC5
AGND5
VOUT7
VCOM
VOUT1
VOUT2
TSD
CONTROL LOGIC
4 5 6 7 8 9
HCD-LF1
67