Sony SCD-XA9000ES Service Manual page 85

• MAIN BOARD IC901 CXP973064-241R (CPU)
Pin No. Pin Name
1
MUTE_ LOAD
2 RST_DY
3 DOCTRL
4
MUTE_2D
5
MODE_SACD
6 SP_ON
7 FCS_JMP1
8 FCS_JMP2
9 SENS_CD
10 XDIS_IO
11 XCS_IO
12 XCS_DVD
13 VSS
14 to 21 D0 to D7
22 INT0_DVD
23 INT1_DVD
24 T_SENS
25 MIRR_RF
26 SCOR_CD
27 RDY_DSD
28
MUTE_DSD
29 COUT_CD
30 IN_SW
31 OUT_SW
32 —
33 SQSO_CD
34 DATA_CD
35 CLOK_CD
36 XLAT_CD
37 SQCK_CD
38 XRST
39 VSS
40 XTAL
41 EXTAL
42 VDD
43 SPDA
44 APDO
45
LOAD_IN
46 LOAD_OUT
47 XLAT_DSD
48 SIN_DSD
49 SOUT_DSD
50 SCK_DSD
I/O
O
Muting on/off control signal output to the loading motor drive "L": muting on
O Reset signal output to the DSD digital signal processor "L": reset
Digital out on/off control signal output to the digital signal processor
O
"L": digital out off, "H": digital out on
O
Muting on/off control signal output to the focus/tracking coil drive "L": muting on
O
SACD/CD mode selection signal output terminal "L": CD mode, "H": SACD mode
O Muting on/off control signal output to the spindle motor drive "L": muting on
O
Focus jump 1 signal output terminal
O
Focus jump 2 signal output terminal
I
Internal status (SENSE) signal input from the digital signal processor
O
Reset signal output to the I/O expander "L": reset
O
Chip select signal output to the I/O expander
O
Chip select signal output to the SACD decoder
—
Ground terminal (digital system)
I/O
Two-way data bus with the SACD decoder and I/O expander
I
Interrupt signal input from the SACD decoder
I
Interrupt signal input from the SACD decoder
I
Input terminal of disc tray status detection signal from table sensor
I
Mirror signal input from the digital signal processor
I
Subcode sync (S0+S1) detection signal input from the digital signal processor
I
Ready signal input from the DSD decoder "L": ready
O
Soft muting on/off control signal output to the DSD decoder "H": muting on
I
Numbers of track counted signal input from the digital signal processor
I
Loading in switch input terminal "L": loading in
I
Loading out switch input terminal "L": loading out
I
Not used
I
Subcode Q data input from the digital signal processor
O
Serial data output to the digital signal processor
O
Serial data transfer clock signal output to the digital signal processor
O
Serial data latch pulse signal output to the digital signal processor
O
Subcode Q data reading clock signal output to the digital signal processor
System reset signal input terminal "L": reset
I
For several hundreds msec. after the power supply rises, "L" is input, then it changes to "H"
—
Ground terminal (digital system)
I
System clock input terminal (20 MHz)
O
System clock output terminal (20 MHz)
— Power supply terminal (+3.3V) (digital system)
O
Spindle motor control signal output terminal
O
Output terminal for offset adjustment of APEO (<z/. pin of SACD decoder)
O
Loading motor drive signal (loading in direction) output terminal
O Loading motor drive signal (loading out direction) output terminal
O
Serial data latch pulse signal output to the DSD decoder
I
Serial data input from the DSD decoder and DSD digital signal processor
O
Serial data output to the DSD decoder, DSD digital signal processor and D/A converter
Serial data transfer clock signal output to the DSD decoder, DSD digital signal processor and D/A
O
converter
SCD-XA9000ES
Description
Not used
85