Diagrams; Ic Pin Descriptions - Sony CDX-R3300T Service Manual

CDX-R3300/R3300T

3-1. IC PIN DESCRIPTIONS

• IC3 CXD3059AR (DIGITAL SERVO/DIGITAL SIGNAL PROCESSOR) (SERVO BOARD (1/2))
Pin No. Pin Name
1 MIRR
2 DFCT
3 FOK
4 VSS
5 LOCK
6 MDP
7 SSTP
8 IOVSS1
9 SFDR
10 SRDR
11 TFDR
12 TRDR
13 FFDR
14 FRDR
15 IOVDD1
16 AVDD0
17 AVSS0
18 NC
19 E
20 F
21 TEI
22 TEO
23 FEI
24 FEO
25 VC
26 A
27 B
28 C
29 D
30 NC
31 AVDD4
32 RFDCO
33 PDSENS
34 AC_SUM
35 EQ_IN
36 LD
37 PD
38 NC
39 RFC
40 AVSS4
41 RFACO
42 RFACI
43 AVDD3
44 BIAS
45 ASYI
46 ASYO
47 VPCO
48 VCTL
49 AVSS3
50 CLTV
51 FILO
14
SECTION 3

DIAGRAMS

I/O
I/O Mirror signal input/output (Not used in this set)
I/O Defect signal input/output (Not used in this set)
I/O Focus OK signal input/output
— Ground
I/O Lock signal input/output (Not used in this set)
O Spindle motor servo control signal output
I Disc most inner detection signal input (Fixed at L in this set)
— Digital ground
O Sled drive signal output (FWD direction)
O Sled drive signal output (REV direction)
O Tracking drive signal output (FWD direction)
O Tracking drive signal output (REV direction)
O Focus drive signal output (FWD direction)
O Focus drive signal output (REV direction)
— Digital power supply pin (+3.3 V)
— Analog power supply pin (+3.2 V)
— Analog ground
— Not used. (Open)
I E signal input
I F signal input
I Tracking error signal input
O Tracking error signal output
I Focus error signal input
O Focus error signal output
I/O VC voltage output/Center voltage input
I A signal input
I B signal input
I C signal input
I D signal input
— Not used. (Open)
— Analog power supply pin (+3.2 V)
I/O RFDC signal input/output (Not used in this set)
I Reference voltage input (Fixed at L in this set)
O RFAC summing amplifier signal output
I Equalizer circuit signal input
O APC amplifier signal output
I APC amplifier signal input
— Not used. (Open)
I EQ cut off frequency adjustment input
— Analog ground
O RFAC signal output
I RFAC signal input
— Analog power supply pin (+3.2 V)
I Asymmetry circuit constant current input
I Asymmetry comparate voltage input
O EFM full swing signal output
O Charge pump output
I VCO2 control voltage input
— Analog ground
I VCO1 control voltage input
O Filter signal output
Pin Description