Sony SCD-C333ES - Super Audio Cd Changer, Service Manual

Page: 48 / 88

48
• MAIN BOARD IC902 CXD1095BR (I/O EXPANDER)
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 – 30
31,32
33 – 37
38
39
40
41
42
43
44 – 46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
I/O
I
I
I
O
O
O
O
—
I
I
I
I
O
O
I
O
—
O
O
O
O
O
—
—
O
O
O
I/O
—
I/O
I
I
—
I
I
I
I/O
—
—
—
O
I/O
O
O
O
—
—
O
I
I
I
I
I
—
—
Description
Limit switch for sled servo. Not used (open)
Rotating direction. Not used (open)
Focus Jump L signal
Speed control-1. Not used (open)
Speed control-0. Not used (open)
TABLE MOTOR - L DIRECTION
TABLE MOTOR - R DIRECTION
Ground terminal
Not used (open)
DISC SENSOR
Tray position detection sensor-1
Tray position detection sensor-2
Load signal output
Sled Control
Load signal input
Control A1 (Output)
Not used (open)
Reset Signal for DSD
Reset Signal for DISPLAY uCOM
Reset Signal for DVD DSP
Reset Signal for CD DSP
Ground terminal
Power supply terminal
MULTI/2CH SW for AUDIO board (1: MULTI)
RF amplifier serial enable signal (SEN_RF)
To be used for disc inspection mode.
Data bus
Data bus. Not used (open)
Data bus
Clear signal input terminal (Pull up)
Reset signal input from the ARP
Ground terminal
Strobe signal input from the CPU
Strobe signal input from the CPU
Chip enable signal input from the CPU
Address bus
Not used (open)
Not used (open)
Not used (open)
Tracking Filter
Not used (open)
Energy saving mode
Not used (open)
CD/SACD CHANGE
Ground terminal
Power supply terminal
DEBUG FLAG. Not used (open)
Not used (open)
TRAY OUT SENSOR
Not used (open)
Not used (open)
Focus Jump H Signal
Not used (open)
Not used (open)
Pin Name
LIM_SW
(WISE)
F_COMPL
SPCNTL1
SPCNTL0
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
PD5
PD6
PD7
D0-2
NC
D3-7
XCLR
XDIS
Vss
XWR
XRD
XCS
A0-2
PE0
PE1
NC
TRKFIL
—
DFCTEN
—
MRSEL1
Vss
Vdd
AGING_ERR
PA4
OUT_SW
PA6
PA7
F_COMPH
NC
NC