Read Sony CDX-R3300EE Service Manual online
14
CDX-R3300EE
SECTION 3
DIAGRAMS
3-1. IC PIN DESCRIPTIONS
• IC3 CXD3059AR (DIGITAL SERVO/DIGITAL SIGNAL PROCESSOR) (SERVO BOARD (1/2))
Pin No.
Pin Name
I/O
Pin Description
1
MIRR
I/O
Mirror signal input/output (Not used in this set)
2
DFCT
I/O
Defect signal input/output (Not used in this set)
3
FOK
I/O
Focus OK signal input/output
4
VSS
—
Ground
5
LOCK
I/O
Lock signal input/output (Not used in this set)
6
MDP
O
Spindle motor servo control signal output
7
SSTP
I
Disc most inner detection signal input (Fixed at L in this set)
8
IOVSS1
—
Digital ground
9
SFDR
O
Sled drive signal output (FWD direction)
10
SRDR
O
Sled drive signal output (REV direction)
11
TFDR
O
Tracking drive signal output (FWD direction)
12
TRDR
O
Tracking drive signal output (REV direction)
13
FFDR
O
Focus drive signal output (FWD direction)
14
FRDR
O
Focus drive signal output (REV direction)
15
IOVDD1
—
Digital power supply pin (+3.3 V)
16
AVDD0
—
Analog power supply pin (+3.2 V)
17
AVSS0
—
Analog ground
18
NC
—
Not used. (Open)
19
E
I
E signal input
20
F
I
F signal input
21
TEI
I
Tracking error signal input
22
TEO
O
Tracking error signal output
23
FEI
I
Focus error signal input
24
FEO
O
Focus error signal output
25
VC
I/O
VC voltage output/Center voltage input
26
A
I
A signal input
27
B
I
B signal input
28
C
I
C signal input
29
D
I
D signal input
30
NC
—
Not used. (Open)
31
AVDD4
—
Analog power supply pin (+3.2 V)
32
RFDCO
I/O
RFDC signal input/output (Not used in this set)
33
PDSENS
I
Reference voltage input (Fixed at L in this set)
34
AC_SUM
O
RFAC summing amplifier signal output
35
EQ_IN
I
Equalizer circuit signal input
36
LD
O
APC amplifier signal output
37
PD
I
APC amplifier signal input
38
NC
—
Not used. (Open)
39
RFC
I
EQ cut off frequency adjustment input
40
AVSS4
—
Analog ground
41
RFACO
O
RFAC signal output
42
RFACI
I
RFAC signal input
43
AVDD3
—
Analog power supply pin (+3.2 V)
44
BIAS
I
Asymmetry circuit constant current input
45
ASYI
I
Asymmetry comparate voltage input
46
ASYO
O
EFM full swing signal output
47
VPCO
O
Charge pump output
48
VCTL
I
VCO2 control voltage input
49
AVSS3
—
Analog ground
50
CLTV
I
VCO1 control voltage input
51
FILO
O
Filter signal output
Click on the first or last page to see other CDX-R3300EE service manuals if exist.