Sony CDP-CE245 / CDP-CE345 Service Manual ▷ View online
29
6-10.
IC PIN FUNCTION DESCRIPTION
• BD BOARD IC101 CXD2587Q
(DIGITAL SIGNAL PROCESSOR, DIGITAL SERVO PROCESSOR, DIGITAL FILTER, D/A CONVERTER)
Pin No.
Pin Name
I/O
Description
1
SQSO
O
Subcode Q data output to the system controller (IC301)
2
SQCK
I
Subcode Q data reading clock signal input from the system controller (IC301)
3
XRST
I
System reset signal input from the system controller (IC301) “L”: reset
4
SYSM
I
Analog line muting on/off control signal input terminal “H”: line muting on
Not used (fixed at “L”)
Not used (fixed at “L”)
5
DATA
I
Command serial data input from the system controller (IC301)
6
XLAT
I
Command latch pulse input from the system controller (IC301)
7
CLOK
I
Command serial data transfer clock signal input from the system controller (IC301)
8
SENS
O
Internal status monitor output to the system controller (IC301)
9
SCLK
I
SENSE serial data reading clock input from the system controller (IC301)
10
VDD
—
Power supply terminal (+5V) (digital system)
11
ATSK
I/O
Input pin for anti-shock Not used (fixed at “L”)
12
SPOA
I
Microcomputer escape interface input A terminal Not used (fixed at “L”)
13
SPOB
I
Microcomputer escape interface input B terminal Not used (fixed at “L”)
14
XLON
O
Microcomputer escape interface output to the CXA2568M (IC103)
15
WFCK
O
WFCK output terminal Not used (open)
16
XUGF
O
Not used (open)
17
XPCK
O
Not used (open)
18
GFS
O
Not used (open)
19
C2PO
O
Not used (open)
20
SCOR
O
Subcode sync (S0+S1) detection signal output to the system controller (IC301)
21
COUT
I/O
Numbers of track counted signal input/output terminal Not used (open)
22
MIRR
I/O
Mirror signal input/output terminal Not used (open)
23
DFCT
I/O
Defect signal input/output terminal Not used (open)
24
FOK
I/O
Focus OK input/output terminal Not used (open)
25
LOCK
I/O
GFS is sampled by 460 Hz “H” when GFS is “H” Not used (open)
26
MDP
O
Spindle motor (M101) servo drive signal output to the BA5974FP (IC102)
27
SSTP
I
Limit in detect switch (S101) input terminal
28
SFDR
O
Sled servo drive PWM signal (+) output to the BA5974FP (IC102)
29
SRDR
O
Sled servo drive PWM signal (–) output to the BA5974FP (IC102)
30
TFDR
O
Tracking servo drive PWM signal (+) output to the BA5974FP (IC102)
31
TRDR
O
Tracking servo drive PWM signal (–) output to the BA5974FP (IC102)
32
FFDR
O
Focus servo drive PWM signal (+) output to the BA5974FP (IC102)
33
FRDR
O
Focus servo drive PWM signal (–) output to the BA5974FP (IC102)
34
VSS
—
Ground terminal (digital system)
35
TEST
I
Input terminal for the test (fixed at “L”)
36
TES1
I
Input terminal for the test (fixed at “L”)
37
XTSL
I
Input terminal for the system clock frequency setting “L”: 45.1584 MHz, “H”: 22.5792 MHz
(fixed at “L” in this set)
(fixed at “L” in this set)
38
VC
I
Middle point voltage (+2.5V) input from the CXA2568M (IC103)
39
FE
I
Focus error signal input from the CXA2568M (IC103)
40
SE
I
Sled error signal input from the CXA2568M (IC103)
41
TE
I
Tracking error signal input from the CXA2568M (IC103)
42
CE
I
Command chip enable signal input from the CXA2568M (IC103)
30
Pin No.
Pin Name
I/O
Description
43
RFDC
I
RF signal input from the CXA2568M (IC103)
44
ADIO
O
Monitor output of the A/D converter input signal Not used (open)
45
AVSS0
—
Ground terminal (digital system)
46
IGEN
I
Stabilized current input for operational amplifiers
47
AVDD0
—
Power supply terminal (+5V) (digital system)
48
ASYO
O
Playback EFM full-swing output terminal
49
ASYI
I
Playback EFM asymmetry comparator voltage input terminal
50
BIAS
I
Playback EFM asymmetry circuit constant current input terminal
51
RFAC
I
EFM signal input from the CXA2568M (IC103)
52
AVSS3
—
Ground terminal (digital system)
53
CLTV
I
Internal VCO control voltage input of the playback master PLL
54
FILO
O
Filter output for master clock of the playback master PLL
55
FILI
I
Filter input for master clock of the playback master PLL
56
PCO
O
Phase comparison output for master clock of the playback EFM master PLL
57
AVDD3
—
Power supply terminal (+5V) (digital system)
58
VSS
—
Ground terminal (digital system)
59
VDD
—
Power supply terminal (+5V) (digital system)
60
DOUT
O
Digital audio signal output to the DIGITAL OUT OPTICAL (IC303)
61
LRCK
O
L/R sampling clock signal (44.1 kHz) output terminal Not used (open)
62
PCMD
O
D/A interface serial data output terminal Not used (open)
63
BCK
O
Bit clock signal (2.8224 MHz) output terminal Not used (open)
64
EMPH
O
De-emphasis control signal output terminal Not used (open)
65
XVDD
—
Power supply terminal (+5V) (crystal oscillator system)
66
XTAI
I
System clock input terminal (16.9344 MHz)
67
XTAO
O
System clock output terminal (16.9344 MHz)
68
XVSS
—
Ground terminal (crystal oscillator system)
69
AVDD1
—
Power supply terminal (+5V) (analog system)
70
AOUT1
O
L-ch analog audio signal output terminal
71
AIN1
I
L-ch operational amplifiers input terminal
72
LOUT1
O
L-ch line output terminal
73
AVSS1
—
Ground terminal (analog system)
74
AVSS2
—
Ground terminal (analog system)
75
LOUT2
O
R-ch line output terminal
76
AIN2
I
R-ch operational amplifiers input terminal
77
AOUT2
O
R-ch analog audio signal output terminal
78
AVDD2
—
Power supply terminal (+5V) (analog system)
79
RMUT
O
R-ch line muting on/off control signal output terminal
80
LMUT
O
L-ch line muting on/off control signal output terminal
31
• MAIN BOARD IC301 CXP84648-066Q
(SYSTEM CONTROLLER, FLUORESCENT INDICATOR TUBE DRIVER, KEY CONTROL)
*1 Loading motor (M11) control
LOAD IN (pin w;)
“L”
“L”
“H”
“H”
LOAD OUT (pin wa)
“L”
“H”
“L”
“H”
OFF
OUT
IN
BRAKE
Operation
Terminal
Pin No.
Pin Name
I/O
Description
1
BUSIN
I
Sircs remote control signal input terminal Not used (pull up)
2
RMIN
I
Remote control signal input from the remote control receiver (IC802)
3
ADJ
I
Setting terminal for the test mode “L” active
4
XLT
O
Serial data latch pulse signal output to the CXD2587Q (IC101)
5
HOLD
O
Laser power control signal output to the CXD2587Q (IC101) “H” active
6
TSENS
I
Detect signal input from the table sensor (D10)
7
NC
O
Not used (open)
8
CLK
O
Serial data transfer clock signal output to the CXD2587Q (IC101)
9
NC
O
Not used (open)
10
DATA
O
Serial data output to the CXD2587Q (IC101)
11
SQCK
O
Sub-code Q data reading clock signal output to the CXD2587Q (IC101)
12
SUBQ
I
Sub-code Q data signal input from the CXD2587Q (IC101)
13
NC
O
Not used (open)
14
OUT.SW
I
Detect signal input from the open/close detect switch (S11)
15, 16
S1, S2
I
Detect signal input from the tray address detect switch (S200)
17
NC
O
Not used (open)
18
TBLL
O
Table motor drive signal (counterclockwise) output to the BA6780 (IC11)
19
TBLR
O
Table motor drive signal (clockwise) output to the BA6780 (IC11)
20
LOAD IN
O
Loading motor (M11) drive signal output to the BA6780 (IC11) *1
21
LOAD OUT
O
Loading motor (M11) drive signal output to the BA6780 (IC11) *1
22
NC
O
Not used (open)
23
KEY1
I
Key input terminal (A/D input) (S820 to S824)
TIME, REPEAT, PROGRAM, SHUFFLE, CONTINUE keys input
TIME, REPEAT, PROGRAM, SHUFFLE, CONTINUE keys input
24
KEY2
I
Key input terminal (A/D input) (S813 to S819)
DISC 5 to DISC 1, PEAK SEARCH, EDIT/TIME FADE keys input
DISC 5 to DISC 1, PEAK SEARCH, EDIT/TIME FADE keys input
25
KEY3
I
Key input terminal (A/D input) (S807 to S821, S825)
DISC SKIP, EX-CHANGE, CLEAR, CHECK, M, m, l AMS L keys input
DISC SKIP, EX-CHANGE, CLEAR, CHECK, M, m, l AMS L keys input
26, 27
NC
O
Not used (open)
28
KEY6
I
Key input terminal (A/D input) (S801 to S806)
A OPEN/CLOSE, x, X, H, FADER, MUSIC SCAN keys input
A OPEN/CLOSE, x, X, H, FADER, MUSIC SCAN keys input
29
NC
O
Not used (open)
30
RST
I
System reset signal input from the reset signal generator (IC601) “L”: reset
For several hundreds msec. after the power supply rises, “L” is input, then it changes to “H”
For several hundreds msec. after the power supply rises, “L” is input, then it changes to “H”
31
EXTAL
I
Main system clock input terminal (10 MHz)
32
XTAL
O
Main system clock output terminal (10 MHz)
33
VSS
—
Ground terminal
34 to 37
NC
O
Not used (open)
32
Pin No.
Pin Name
I/O
Description
38 to 57
P1 to P20
O
Segment drive signal output to the fluorescent indicator tube (FL801)
58 to 62
NC
O
Not used (open)
63 to 70
G1 to G8
O
Grid drive signal output to the fluorescent indicator tube (FL801)
71
VG
—
Power supply terminal (–30V) (for fluorescent indicator tube drive)
72, 73
VDD
—
Power supply terminal (+5V)
74, 75
NC
O
Not used (open)
76
AFADJ
I
Setting terminal for the test mode “L” active
77
BUSOUT
O
Sircs remote control signal output terminal Not used (open)
78
DSENS
I
Detect signal input from the disc sensor (D11)
79
SENS
I
Internal status (SENSE) signal input from the CXD2587Q (IC101)
80
SCOR
I
Sub-code sync (S0+S1) detection signal input from the CXD2587Q (IC101)
Click on the first or last page to see other CDP-CE245 / CDP-CE345 service manuals if exist.