Sony SCD-C222ES Service Manual page 72

SCD-C222ES
• MAIN BOARD IC803 CXD9647R (DSD DIGITAL SIGNAL PROCESSOR)
Pin No. Pin Name
1 VDD
2 XMSDOE
3 MSREADY
4 MSDATO
5 MSDATI
6 MSCK
7 XMSLAT
8 GND
9 to 16 TESTO
17, 18 TESTI
19 TESTO
20 GND
21 TESTI
22 GND
23 TESTI
24 TESTO
25 VDD
26 GND
27 TESTI
28 FS128
29 TESTI
30 FS64
31 GND
32 DSI1
33 GND
34 DSI2
35 VDD
36 DSI3
37 GND
38 DSI4
39 GND
40 DSI5
41 VDD
42 DSI6
43 GND
44 to 46 TESTO
47 TESTI
48 TESTO
49 TESTI
50 GND
51 VDD
52 TESTO
53 GND
54 TESTO
55 GND
56 DSAL
72
I/O
—
Power supply terminal (+3.3V) (digital system)
O
Serial data output enable signal output terminal Not used (open)
I
Ready signal input from the CPU (IC901) "L": ready
O Serial data output to the CPU (IC901)
I
Serial data input from the CPU (IC901)
I
Serial data transfer clock signal input from the CPU (IC901)
I
Serial data latch pulse signal input from the I/O expander (IC902)
—
Ground terminal (digital system)
O
Output terminal for the test (normally: open)
I
Input terminal for the test (normally: fixed at "L")
O
Output terminal for the test (normally: open)
—
Ground terminal (digital system)
I
Input terminal for the test (normally: fixed at "L")
—
Ground terminal (digital system)
I
Input terminal for the test (normally: fixed at "L")
O
Output terminal for the test (normally: open)
—
Power supply terminal (+3.3V) (digital system)
—
Ground terminal (digital system)
I Input terminal for the test (normally: fixed at "L")
O
Bit clock signal (2.8224 MHz) output for DSD data output to the DSD decoder (IC801)
I
Input terminal for the test (normally: fixed at "L")
O
Phase reference signal output for DSD output phase modulation to the DSD decoder (IC801)
— Ground terminal (digital system)
I
DSD data (front L-ch) input from the DSD decoder (IC801)
—
Ground terminal (digital system)
I
DSD data (front R-ch) input from the DSD decoder (IC801)
— Power supply terminal (+3.3V) (digital system)
I
DSD data (center) input from the DSD decoder (IC801)
—
Ground terminal (digital system)
I
DSD data (sub woofer) input from the DSD decoder (IC801)
— Ground terminal (digital system)
I
DSD data (surround L-ch) input from the DSD decoder (IC801)
—
Power supply terminal (+3.3V) (digital system)
I
DSD data (surround R-ch) input from the DSD decoder (IC801)
— Ground terminal (digital system)
O
Output terminal for the test (normally: open)
I
Input terminal for the test (normally: fixed at "L")
O
Output terminal for the test (normally: open)
I Input terminal for the test (normally: fixed at "L")
—
Ground terminal (digital system)
—
Power supply terminal (+3.3V) (digital system)
O
Output terminal for the test (normally: open)
— Ground terminal (digital system)
O
Output terminal for the test (normally: open)
—
Ground terminal (digital system)
O
DSD data (front L-ch) output to the digital filter (IC301)
Description