Sony SCD-C555ES Service Manual ▷ View online
53
SCD-C555ES
• MAIN BOARD IC901 CXP974F096R (MECHA CONTROL)
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
I/O
O
O
O
O
O
O
O
O
I
O
O
O
—
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I
I
I
I
O
O
I
I
I
I
I
I
I
O
—
O
I
—
I
O
—
O
O
O
O
I
I
O
O
I
Description
SACD/CD mode select signal “L” : CD mode “H” : SACD mode
Analog mute “L” : muting
Digital out control “L” : digital out off “H” : digital out on
DAC latch
DAC data
DAC clock
Focus jump 1
Focus jump 2
CD DSP Internal status (SENSE) signal
SRAM chip select (not used)
IO Expander chip select
DVD-Decoder chip select
Ground terminal (digital system)
Parallel data bus
Parallel data bus
Parallel data bus
Parallel data bus
Parallel data bus
Parallel data bus
Parallel data bus
Parallel data bus
DVD-Decoder interrupt
DVD-Decoder interrupt
Changer table slit sensor interrupt
DVD decoder monitor (not used)
CD DSP data
CD DSP latch
Control A1 input interrupt
CD-DSP COUT signal
Tray (CHANGER panel) IN SW “L” : loading in
Tray (CHANGER panel) OUT SW “L” : loading out
MIRR signal
CD-DSP sub Q signal input
SCOR
CD-DSP sub Q read clock
Not used
CD DSP clock
Reset input
Ground terminal
System clock input (20MHz)
System clock output (20MHz)
Power supply terminal (+3.3V)(digital system)
Laser diode on/off control signal “L” : laser diode off, “H” : laser diode on
IO Expander reset signal
DSD Decoder mute “H” : muting
DSD Decoder serial latch
DSD Decoder Ready signal “L” : ready
DSD Decoder serial in
DSD Decoder serial out
DSD Decoder serial clock
Display controller BUSY signal
Pin Name
MODE_DF
AMUTE
DOCTRL
LAT_DAC
DATA_DAC
CLK_DAC
FCS_JMP_1
FCS_JMP_2
SENS_CD
XCS2
XCS_IO
XCS_DVD
VSS
D0
D1
D2
D3
D4
D5
D6
D7
INT0_DVD
INT1_DVD
T_SENS
MON_DVD
DATA_CD
XLAT_CD
A1IN
COUT_CD
IN_SW
OUT_SW
MIRR
SQSO
SCOR
SQCK
PF6
CLOK_CD
XRST
VSS
XTAL
XEXTAL
VDD
LDON
XDIS_IO
MUTE_DSD
XMSLAT
READY_DSD
SDIN_DSD
SDOUT_DSD
SCK_DSD
BUSY_DP
54
SCD-C555ES
Pin No.
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
Pin Name
SDIN
SDOUT
SLK
VSS
REQ
FCS_BST
GFS_DVD
MUTE_CD
MUTE_2D
MUTE_LOAD
FG
SP_ON
JIT
TE
PI
FE
AVSS
AVREF
AVDD
GFS_CD
SCLK_CD
PK2
FOK_CD
LOCK_CD
RF_AD_CE
SP_DW
EEP_SIO
EEP_SCL
RXD
TXD
SDCLK_RF
SDATA_RF
XWR
XRD
NC
VDD
VSS
A0
A1
A2
A3
A4
A5
A6
A7
INIT_DF
LATCH_DF
SHIFT_DF
SCDATA_DF
I/O
I
O
O
—
O
O
I
O
O
O
I
O
I
I
I
I
—
I
—
I
O
—
I/O
I/O
O
O
I/O
O
I
O
O
I/O
O
O
—
—
—
O
O
O
O
O
O
O
O
O
O
O
O
Description
Display controller serial input
Display controller serial output
Display controller serial clock
Ground terminal
Display controller request signal
Focus boost (not used)
DVD Decoder Guard Frame Sync
CD DSP MUTE “H” : muting
Two-axes driver, two-axes mute “L” : muting
Spindle driver, Loading mute “L” : muting
Frequency generator
Spindle driver, Spindle mute “L” : muting
Jitter signal input
Tracking Error
Pull in signal
Focus Error
Ground terminal (or A/D converter)
Reference voltage input terminal (for A/D converter)
Power supply terminal (+3.3V)(for A/D converter)
CD DSP Guard Frame Sync signal input
CD DSP SENS serial data read clock
Not used
CD DSP FOK (SACD:OUT /CD:IN)
CD DSP LOCK (SACD:OUT /CD:IN)
RF_AD Chip Enable (not used)
DFCT select SW (not used)
EEPROM Data
EEPROM Clock
RS232C serial data input
RS232C serial data output
RF_AMP clock signal
RF_AMP data
Write signal
Read signal
Non-connection
Power supply terminal
Ground terminal
Parallel address bus
Parallel address bus
Parallel address bus
Parallel address bus
Parallel address bus
Parallel address bus
Parallel address bus
Parallel address bus
Digifil INIT
Digifil LATCH
Digifil SHIFT
Digifil SCDATA
55
SCD-C555ES
• MAIN BOARD IC902 CXD1095BR (I/O EXPANDER1)
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
I/O
I
I
I
O
O
O
O
—
—
I
I
I
O
—
O
O
—
O
O
O
O
O
—
—
O
O
O
I/O
I/O
I/O
—
—
I/O
I/O
I/O
I/O
I/O
I
I
—
I
I
I
I
I
I
O
O
—
O
I
Description
Limit SW for sled
Direction of rotation (not used)
Focus jump L signal (not used)
Spindle control 1 (not used)
Spindle control 0 (not used)
TABLE MOTOR - L DIRECTION
TABLE MOTOR - R DIRECTION
Ground terminal
Remote control code input (not used)
DISC SENSOR
Tray position sensor 1
Tray position sensor 2
Loading motor drive signal (loading out direction) output terminal
Sled control (not used)
Loading motor drive signal (loading in direction) output terminal
Control A1 signal output
NC
Reset Signal for DSD “L” : reset
Reset Signal for DISPLAY uCOM “L” : reset
Reset Signal for DVD decoder “L” : reset
Reset Signal for CD DSP “L” : reset
Power on/off control signal output for modulation circuit on optical pick-up block “L” : off “H” : on
Ground terminal
Power supply terminal (+3.3V)
MULTI/2CH SW for AUDIO board “L” : 2ch , “H” : multi
RF_AMP Serial Enable signal (SEN_RF)
For IC testing
Data bus
Data bus
Data bus
NC
NC
Data bus
Data bus
Data bus
Data bus
Data bus
Clear signal Iinput teminal (fixed at “H”)
Reset signal input “L” : reset
Ground terminal (digital system)
Write strobe signal input
Read strobe signal input
Chip select signal
Address bus
Address bus
Address bus
Sub Woofer Gain Up (H: GainUP, L: Normal) “L” fixed
Not used
NC
Tracking filter (not used)
Judges AUDIO board (fix “L”)
Pin Name
LIM_SW
(WISE)
F_COML
SPCNTL1
SPCNTL2
TBLL
TBLR
Vss
REMCODE
D_SENS
S1
S2
LOAD_OUT
SDCNTL
LOAD_IN
A1OUT
NC
RST_DSD
RST_DP
RST_DVD
RST_CD
VMOD
Vss
Vdd
MULTI
SDEN
ISBTEST
D0
D1
D2
NC
NC
D3
D4
D5
D6
D7
XCLR
XDIS
Vss
XWR
XRD
XCS
A0
A1
A2
SWGUP
PE1
NC
TRKFIL
XDAC333
56
SCD-C555ES
Pin No.
52
53
54
55
56
57
58
59
60
61
62
63
64
Pin Name
DFCTEN
XZLAT
MRSEL1
Vss
Vdd
AGING_ERR
PA4
OUT_SW
PA6
PA7
F_COMPH
NC
NC
I/O
O
O
O
—
—
O
I
I
I
I
I
—
—
Description
DFCT SW signal (not used)
DSD DSP latch signal
CD/SACD CHANGE (not used)
Ground terminal
Power supply terminal
DEBUG FLAG
Not used
TRAY OUT SENSOR
Not used
Not used
Focus jump H signal (not used)
NC
NC
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