Aiwa XP-V410 Service Manual page 14

IC DESCRIPTION
IC, MN662872RPT1
Pin No. Pin Name
1 DVDD3V
2 D0
3 D1
4 NWE
5 NRAS
6 D2
7 D3
8 NCAS0
9 NCAS1
10-16 A8-A0
17-19 A1-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
I/O
I Power supply for DRAM interface. (pin No. 2 to 19).
I/O DRAM data input/output signal 0.
I/O DRAM data input/output signal 1.
O DRAM write enable signal.
O DRAM RAS control signal.
I/O DRAM data input/output signal 2.
I/O DRAM data input/output signal 3.
O DRAM CAS control signal 0.
DRAM CAS control signal 1. (when both 1 M and 4 MDRAM are used).
O
DRAM address signal 10. (when 16 MDRAM is used).
O DRAM address signal 8-0.
O DRAM address signal 1-3.
I Ground for digital circuit.
I Power supply for digital circuit.
O Spindle motor drive signal output. (absolute value output).
O Traverse drive output. (positive polarity output).
O Traverse drive output. (negative polarity output).
O Tracking drive output. (positive polarity output).
O Tracking drive output. (negative polarity output).
O Focus drive output. (positive polarity output).
O Focus drive output. (negative polarity output).
O Focus balance adjustment output.
O Tracking balance adjustment output.
I DA output block reference voltage. (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: Detection.
I Drop-out signal input. H: Drop-out.
O Laser ON signal output. H: ON.
I RF signal input.
I Reference current input terminal.
I AD reference voltage input. (analog input).
O Loop filter terminal for DSL.
O For DSL unbalance current correction.
O Loop filter terminal for PLL.
O Loop filter terminal for jitter free VCO.
I Power supply for analog circuit. (for DSL, PLL, VCOF, AD, DA).
I Ground for analog circuit. (for DSL, PLL, VCOF, AD, DA).
O Lch audio output. (Refer to (Note 1) on page 3).
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Description