Aiwa XP-V510 Service Manual page 20

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IC, MN662782RPT1
Pin No.
Pin Name
1
DVDD3
2
D0
3
D1
4
NWE
5
NRAS
6
D2
7
D3
8
NCAS0
9
A10
10 ~ 14
A8 ~ A4
15
A9
16 ~ 19
A0 ~ A3
20
DVSS2
21
DVDD2
22
SPOUT
23
TRVM
24
TRVP
25
TRM
26
TRP
27
FOM
28
FOP
29
FBAL
30
TBAL
31
VREF
32
FE
33
TE
34
RFENV
35
OFT
36
NRFDET
37
BDO
38
LDON
39
ARF
40
IREF
41
ADPVCC
42
DSLF
43
DSLF2
44
PLLF
45
VCOF
46
AVDD2
47
AVSS2
48
OUTL
49
AVSS1
I/O
-
Power supply for DRAM interface.
I/O
Input/Output data 0 for DRAM.
I/O
Input/Output data 1 for DRAM.
O
Output write enable signal for DRAM.
O
Output RAS control signal for DRAM.
I/O
Input/Output data 2 for DRAM.
I/O
Input/Output data 3 for DRAM.
O
Output CAS control signal 0 for DRAM.
O
Output address signal 10.
O
Output address signal 8 ~ 4.
O
Output address signal 9.
O
Output address signal 0 ~ 3.
-
Ground for digital circuit.
-
Power supply for digital circuit.
O
PWM output of spindle.
O
PWM output of negative traverse signal.
O
PWM output of positive traverse signal.
O
PWM output of negative tracking signal.
O
PWM output of positive tracking signal.
O
PWM output of negative focus signal.
O
PWM output of positive focus signal.
O
Output for focus balance adjustment.
O
Output for tracking balance adjustment.
-
Reference voltage for DA output (TRVP, TRP, FOM, FOP, FBAL, TBAL, DSLF2).
I
Focus error signal input (analog input).
I
Tracking error signal input (analog input).
I
RF envelope signal input (analog input).
I
Off track signal input. "H" : Off track.
I
RF detection signal input. "L" : Detect.
I
Drop out signal input. "H" : Drop out.
O
Laser ON signal output. "H" : ON.
I
RF signal input.
I
Reference current input terminal.
-
Reference voltage level for PWM output drive.
O
Loop filter terminal for DSL.
O
DSL unbalance current.
O
Loop filter terminal for PLL.
O
Loop filter terminal for pitch controller and jitter free VCO.
-
Power supply for analog circuit (DSL, PLL, VCOF, AD, DA).
-
Ground for analog circuit (DSL, PLL, VCOF, AD, DA).
O
Output Lch audio.
-
Ground for analog circuit (for audio output).
Description
20

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