Aiwa XP-SP920ALH, Service Manual

Page: 16 / 23

– 16 –
1 DVDD3 – Power supply for DRAM interface.
2 D0 I/O Input/Output data 0 for DRAM.
3 D1 I/O Input/Output data 1 for DRAM.
4 NWE O Output write enable signal for DRAM.
5 NRAS O Output RAS control signal for DRAM.
6 D2 I/O Input/Output data 2 for DRAM.
7 D3 I/O Input/Output data 3 for DRAM.
8 NCAS0 O Output CAS control signal 0 for DRAM.
9 A10 O Output address signal 10.
10 ~ 14 A8 ~ A4 O Output address signal 8 ~ 4.
15 A9 O Output address signal 9.
16 ~ 19 A0 ~ A3 O Output address signal 0 ~ 3.
20 DVSS2 – Ground for digital circuit.
21 DVDD2 – Power supply for digital circuit.
22 SPOUT O PWM output of spindle.
23 TRVP O PWM output of positive traverse signal.
24 TRVM O PWM output of negative traverse signal.
25 TRP O PWM output of positive tracking signal.
26 TRM O PWM output of negative tracking signal.
27 FOP O PWM output of positive focus signal.
28 FOM O PWM output of negative focus signal.
29 FBAL O Output for focus balance adjustment.
30 TBAL O Output for tracking balance adjustment.
31 CSEL – Reference voltage for DA output (TRVP, TRP, FOM, FOP, FBAL, TBAL, DSLF2).
32 FE I Focus error signal input (analog input).
33 TE I Tracking error signal input ( analog input).
34 RFENV I RF envelope signal input (analog input).
35 OFT I Off track signal input. "H" : Off track.
36 NRFDET I RF detection signal input. "L" : Detect.
37 BDO I Drop out signal input. "H" : Drop out.
38 LDON O Laser ON signal output. "H" : ON. (Not used)
39 ARF I RF signal input.
40 IREF I Reference current input terminal.
41 ADPVCC – Reference voltage level for PWM output drive.
42 DSLF O Loop filter terminal for DSL.
43 DRF I DSL input.
44 PLLF O Loop filter terminal for PLL.
45 VCOF O Loop filter terminal for pitch controller and jitter free VCO.
46 AVDD2 – Power supply for analog circuit (DSL, PLL, VCOF, AD, DA).
47 AVSS2 – Ground for analog circuit (DSL, PLL, VCOF, AD, DA).
48 OUTL O Output Lch audio.
Description
Pin No. Pin Name
I/O
IC, MN35530
www. xiaoyu163. com
QQ 376315150
9 9
2
8 9
4 2
9 8
TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com