Pioneer DV-414 Service Manual - Page 47

Pe5012a Dvdm Assy : Ic501

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DV-515, DV-414 PE5012A (DVDM ASSY : IC501) • Mechanism Control IC • Pin Function No. Pin Name 1 LODDRV 2 XDF INH 3 FOFST3 I/O Function I/O Loading motor drive output I/O High impedance (input) at DEFECT ON "L" output at DEFECT OFF O Not used (H fixed) 4 EFLG 5 FSX 6 ATBO 7 V PB 8 FOFST1 9 VSS 10 MAD0 11 MAD1 I Count data input of error rate Measureable by using timer 1 and 2. I I/O Tracking offset adjustment I EFM servo lock signal H/L = rough servo / phase servo I/O Focus offset adjustment 1 − GND 12 MAD2 13 MAD3 14 MAD4 15 MAD5 16 MAD6 17 MAD7 18 MA8 19 MA9 20 MA10 21 MA11 22 MA12 23 MA13 24 VSS 25 MA14 26 MA15 27 (P60) 28 DRXLD 29 XCBUSY 30 WRQ 31 XMRD 32 XMWR I/O External address data bus O External address bus − GND O External address bus O Not used O Not used I DSP command reception is possible "L" I Readable flag of subcode Q O CPU read pulse "L" O CPU write pulse "L" No. Pin Name 33 XCSB 34 ASTB 35 XRESET 36 SBSY 37 THLD 38 XABUSY I/O Function O DSP parallel command setting output "L" O Address strobe of multiplexed address/data bus I System reset input "L" INT Subcode frame sync. input (H: S0+S1 period) INT T HOLD INT DSP auto sequence busy input "L" 39 XMIRQ2 INT LSI-11 interrupt input "L" 40 VDD 41 X2 42 X1 43 VPP 44 PXT2 45 XCURDET 46 AVSS 47 LODPOS 48 SLDPOS 49 DOORSW 50 FOFST4 51 XDSPRST 52 MON 53 FOFST2 54 OEICG 55 AVDD 56 AVREF 57 LD1ON 58 LD2ON 59 AGOFF 60 DVD/XCD 61 DPDXTE 62 TOFSTA 63 XCD2X 64 TOFSTC − Power supply pin − Connect a crystal for main system clock I oscillation − Internal connection Connect to Vss. − Connect a crystal for sub system clock oscillation I Acutuator over-current detection input "L": Servo OFF for 300 ms. − Ground for A/D converter I Loading clamp position SW input I Slider position SW input I Not used I/O Not used (H fixed) O Not used O Spindle motor ON output "L" I/O Focus offset adjustment 2 O "H": OEIC gain up to 6dB − Analog power supply for A/D converter I Reference voltage input for A/D converter O 650nm laser diode ON signal O 780nm laser diode ON signal O "H": AGC of RFIC turns to OFF O H: DVD, L: CD O Tracking error switch (H: 1 beam, L: 3 beams) I/O Tracking balance adjustment A O Not used I/O Tracking balance adjustment C 47

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PE5012A (DVDM ASSY : IC501)
• Mechanism Control IC
•
Pin Function