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Diagrams; Ic Pin Descriptions - Sony CDX-M620 Service Manual

Fm/am and fm/mw/lw compact disc player.
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4-1. IC PIN DESCRIPTIONS

• IC501 CXD2598Q (DIGITAL SERVO, DIGITAL SIGNAL PROCESSOR) (SERVO BOARD)
Pin No.
Pin Name
1
DVDD
2
DVSS
3
SOUT
4
SOCK
5
XOLT
6
SQSO
7
SQCK
8
SCSY
9
SBSO
10
EXCK
11
XRST
12
STSM
13
DATA
14
XLAT
15
CLOK
16
SENS
17
SCLK
18
ATSK
19
WFCK
20
XUGF
21
XPCK
22
GFS
23
C2PO
24
SCOR
25
C4M
26
WDCK
27
COUT
28
MIRR
29
DVSS
30
DVDD
31
DFCT
32
FOK
33
PWM1
34
LOCK
35
MDP
36
SSTP
37
FSTIO
38
SFDR
39
SRDR
40
TFDR
41
TRDR
42
FFDR
43
FRDR
44
DVDD
45
DVSS
46
TEST
47
TES1
48
XTSL
49
VC
50
FE
51
SE
SECTION 4

DIAGRAMS

I/O
Digital power supply pin
Digital ground
O
Servo brock serial data output (Not used.)
O
Servo brock serial data read clock output (Not used.)
O
Servo brock serial data latch output (Not used.)
O
Sub Q 80 bit, PCM peak and level data output. CD TEXT data output
I
Clock input from SQSO read out.
I
Fixed at "L".
O
Serial output of sub-P to W. (Not used.)
I
Clock input from SBSO read out. (Fixed at "L")
I
System reset ("L": Reset)
I
System mute input (Fixed at "L")
I
Serial data input from CPU.
I
Latch input from CPU. Latch serial data at the falling edge.
I
Serial data transfer clock input from CPU.
O
SENS output for CPU.
I
Clock input from SENS serial data read.
I/O
Input/output for anti-shock.
O
WFCK (Write Flame Clock) output (Not used.)
O
XUGF output (Not used.)
O
XPCK output (Not used.)
O
GFS output
O
C2PO output (Not used.)
O
"H" output at either detection, sub code sync S0 or S1.
O
4.2336 MHz output (Not used.)
O
Word clock output f=2Fs (Not used.)
I/O
Track number count signal input/output (Not used.)
I/O
Mirror signal input/output (Not used.)
Digital ground
Digital power supply pin
I/O
Diffect signal input/output (Not used.)
I/O
Focus OK signal input/output
I
External control input of spindle motor.
I/O
Lock signal input/output
O
Servo control output of spindle motor.
I
Disc most inner track detection signal input
I/O
2/3 frequency division input/output of pins ih and ij. (Not used.)
O
Sled drive output
O
Sled drive output
O
Tracking drive output
O
Tracking drive output
O
Focus drive output
O
Focus drive output
Digital power supply pin
Digital ground
I
Test pin (Fixed at "L".)
I
Test pin (Fixed at "L".)
I
X'tal select input ("L": 16.9344 MHz, "H": 33.8688 MHz)
I
Center voltage input
I
Focus error signal input
I
Sled error signal input
CDX-M620/M670
Pin Description
25

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