Sony CDX-656 Service Manual page 31

Pin No. Pin Name
52 SCOR
53 GRSCOR
54 NC
55 HS
56 SQSO
57 NC
58 SQCK
59 CDCLK
60 CDLAT
61 CDDAT
62 XRST
63 XQOK
64 XRDE
65 XWRE
66 EMPH
67 MUTE
68 RAMA10
69 RAMCS
RAMIO7 to
70 to 74
RAMIO3
75 RESET
76 RAMIO2
77 X1A
78 X0A
79 VSS
80 X0
81 X1
82 VCC
RAMIO1,
83, 84
RAMIO0
RAMA0 to
85 to 88
RAMA3
89 SINGLE
90 6/10 SEL
91 CFSEL
92 TEXTSEL
93 ESPSEL
94 TEST
95 MAG SW
96 SAVE SW
I/O
I Subcode sync (S0+S1) detection signal input from the CXD3017Q
I Subcode sync (S0+S1) detection signal input terminal Not used
O Not used
Normal/high speed playback control signal output terminal
O
"L": high speed playback Not used
I Subcode Q data input from the CXD3017Q
O Not used
O Subcode Q data reading clock signal output to the CXD3017Q
O Serial data transfer clock signal output to the CXD3017Q
O Serial data latch pulse signal output to the CXD3017Q
O Serial data output to the CXD3017Q
O System reset signal output to the CXD3017Q "L": reset
O Subcode Q OK pulse signal output terminal Not used
O D-RAM read enable signal output terminal Not used
O D-RAM write enable signal output terminal Not used
O Emphasis control signal output "H": emphasis on
O Audio line muting on/off control signal output "H": muting on
O Address signal output terminal Not used
O Chip select enable output terminal Not used
I/O Two-way data bus terminal Not used
System reset signal input from the SONY bus interface and reset signal generator "L": reset
I
For several hundreds msec. after the power supply rises, "L" is input, then it changes to "H"
I/O Two-way data bus terminal Not used
O Sub system clock output terminal Not used
I Sub system clock input terminal Not used
— Ground terminal
I Main system clock input terminal (4 MHz)
O Main system clock output terminal (4 MHz)
— Power supply terminal (+3.3V)
I/O Two-way data bus terminal Not used
O Address signal output terminal Not used
Setting terminal for the single disc/multiple discs mode
I
"L": single disc mode, "H": multiple discs mode fixed at "H"
Setting terminal for the 6 discs changer/10 discs changer model
I
"L": 10 discs changer model, "H": 6 discs changer model Not used
I Custom file on/off setting terminal "L": custom file on fixed at "H"
CD text mode setting terminal
I
"L": CD text on, "H": does not display track name fixed at "H"
I ESP mode setting terminal "L": ESP on Not used
I Test on/off setting terminal "L": test mode Nomally fixed at "H"
I Magazine in/out detect switch input terminal Not used
Save end detect switch input terminal
I
"L": When completion of the disc save operation
Description
CDX-656/656X
31