Aiwa XP-SP910, Руководство по обслуживанию

Страница: 14 / 22

Pin No. Pin Name I/O Description
18
1
2
3
4
5
6
7
8
9
10 ~ 14
15
16 ~19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
DVDD3
D0
D1
NWE
NRAS
D2
D3
NCAS0
A10
A8 ~ A4
A9
A0 ~ A3
DVSS2
DVDD2
SPOUT
TRVM
TRVP
TRM
TRP
FOM
FOP
FBAL
TBAL
VREF
FE
TE
RFENV
OFT
NRFDET
BDO
LDON
ARF
IREF
ADPVCC
DSLF
DSLF2
PLLF
VCOF
AVDD2
AVSS2
OUTL
—
I/O
I/O
O
O
I/O
I/O
O
O
O
O
O
—
—
O
O
O
O
O
O
O
O
O
—
I
I
I
I
I
I
O
I
I
I
O
O
O
O
—
—
O
IC, MN662782RPT1
Power supply of DRAM interface (pins 2-19)
DRAM data input/output signal 0,
DRAM data input/output signal 1
DRAM write enable signal
DRAM RAS control signal
DRAM data input/output signal 2
DRAM data input/output signal 3
DRAM CAS control signal 0
DRAM CAS control signal 1 (when two 1M/4M DRAMs are used)
DRAM address signal 10 (when 16M DRAM is used)
DRAM address signals 8 ~ 4
DRAM address signal 9
DRAM address signals 0 ~ 3
Ground of digital circuits
Power supply of digital circuits
Spindle motor drive signal output (absolute value output)
Traverse drive output (positive polarity output)
Traverse drive output (negative polarity output)
Tracking drive output (positive polarity output)
Tracking drive output (negative polarity output)
Focus drive output (positive polarity output)
Focus drive output (negative polarity output)
Focus balance adjustment output
Tracking balance adjustment output
Reference voltage of DA output circuits (FBAL, TBAL, DSLF2)
Focus error signal input (analog input)
Tracking error signal input (analog input)
RF envelope signal input (analog input)
Off-track signal input. H: Off-track
RF detection signal input. L: Detection
Dropout signal input. H: Dropout
Laser ON signal output. H: ON
RF signal input
Reference current input
AD reference voltage input (analog input)
Loop filter terminal for DSL
DSL unbalance current compensation
Loop filter terminal for PLL
Loop filter terminal for jitter-free VCO
Power supply of analog circuits (DSL, PLL, VCOF, AD, DA)
Ground of analog circuits (DSL, PLL, VCOF, AD, DA)
Lch audio output