Read Sony HCD-SR1 / HCD-SR2 / HCD-SR3 (serv.man2) Service Manual online
37
HCD-SR1/SR2/SR3
DMB08 BOARD IC607 CXD9618BQ (AUDIO DIGITAL SIGNAL PROCESSOR)
Pin No.
Pin Name
I/O
Description
1
VSS
—
Ground terminal
2
XRST
I
Reset signal input from the system controller “L”: reset
3
EXTIN
I
Master clock signal input terminal Not used
4
FS2
I
Sampling frequency selection signal input terminal Not used
5
VDDI
—
Power supply terminal (+2.6V)
6
FS1
I
Sampling frequency selection signal input terminal Not used
7
PLOCK
O
Internal PLL lock signal output terminal Not used
8
VSS
—
Ground terminal
9
MCLK1
I
System clock signal input terminal (13.5 MHz)
10
VDDI
—
Power supply terminal (+2.6V)
11
VSS
—
Ground terminal
12
MCLK2
O
System clock signal output terminal (13.5 MHz)
13
MS
I
Master/slave selection signal input terminal
“L”: slave, “H”: master (fixed at “L” in this set)
14
SCKOUT
O
Internal system clock signal output to the D/A converter and stream processor
15
LRCKI1
I
L/R sampling clock signal (44.1 kHz) input from the digital audio processor
16
VDDE
—
Power supply terminal (+3.3V)
17
BCKI1
I
Bit clock signal (2.8224 MHz) input from the digital audio processor
18
SDI1
I
Front L-ch and R-ch audio serial data input from the digital audio processor
19
LRCKO
O
L/R sampling clock signal (44.1 kHz) output to the D/A converter and stream
processor
20
BCKO
O
Bit clock signal (2.8224 MHz) output to the D/A converter and stream processor
21
VSS
—
Ground terminal
22
KFSIO
I
Audio clock signal (11.2896 MHz) input from the digital audio processor
23
SDO1
O
Front L-ch and R-ch audio serial data output to the stream processor
24
SDO2
O
Center and woofer audio serial data output to the stream processor
25
SDO3
O
Rear L-ch and R-ch audio serial data output to the stream processor
26
SDO4
O
Audio serial data output to the D/A converter
27
SPDIF
O
S/PDIF signal output terminal Not used
28
LRCKI2
I
L/R sampling clock signal (44.1 kHz) input from the A/D converter
29
BCKI2
I
Bit clock signal (2.8224 MHz) input from the A/D converter
30
SDI2
I
Center and woofer audio serial data input from the digital audio processor
31
VSS
—
Ground terminal
32
HACN
O
Acknowledge signal output to the system controller
33
HDIN
I
Write data input from the system controller
34
HCLK
I
Clock signal input from the system controller
35
HDOUT
O
Read data output to the system controller
36
HCS
I
Chip select signal input from the system controller
37
SDCLK
O
Clock signal output terminal Not used
38
CLKEN
O
Clock enable signal output terminal Not used
39
RAS
O
Row address strobe signal output terminal Not used
40
VDDI
—
Power supply terminal (+2.6V)
41
VSS
—
Ground terminal
42
CAS
O
Column address strobe signal output terminal Not used
43
DQM/OE0
O
Output terminal of data input/output mask Not used
44
CS0
O
Chip select signal output to the S-RAM
45
WE0
O
Write enable signal output to the S-RAM
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