Sony HCD-HPR90 Service Manual - Page 45
Pin No., Pin Name, Description
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HCD-HPR90/HPR99XM Pin No. 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 Pin Name FRDR IOVDD1 AVDD0 AVSS0 E F TEI TEO FEI FEO VC A B C D AVDD4 RFDCO PDSENS AC_SUM EQ_IN LD PD RFC AVSS4 RFACO RFACI AVDD3 BIAS ASYI ASYO VPCO VCTL AVSS3 CLTV FILO FILI PCO SVSS SVDD SSTB-MP3 VDD VSS TEST1 DATA CLK2 SVSS I/O Description O Focus servo drive signal (-) output terminal - Power supply terminal (+3.3V) - Power supply terminal (+3.3V) - Ground terminal I E signal input from the optical pick-up block I F signal input from the optical pick-up block I Tracking error signal input terminal O Tracking error signal output terminal I Focus error signal input terminal O Focus error signal output terminal O Middle point voltage output terminal I A signal input from the optical pick-up block I B signal input from the optical pick-up block I C signal input from the optical pick-up block I D signal input from the optical pick-up block - Power supply terminal (+3.3V) O RFDC signal output terminal Not used I Reference voltage input terminal for PD O RFAC summing amplifier signal output terminal I RF equalizer circuit input terminal O Laser diode on/off control signal output to the automatic power control circuit "H": laser diode on I Light amount monitor input from the laser diode of optical pick-up block I Equalizer cut off frequency adjustment terminal - Ground terminal O EFM signal output terminal I EFM signal input terminal - Power supply terminal (+3.3V) I Asymmetry circuit constant current input terminal I Playback EFM asymmetry comparator voltage input terminal O Playback EFM full-swing output terminal O Charge pump output terminal for broad-band EFM PLL I VCO2 control voltage input terminal for broad-band EFM PLL - Ground terminal I VCO1 control voltage input terminal for multiplier O Filter output terminal for master PLL I Filter input terminal for master PLL O Charge pump output terminal for master PLL - Ground terminal - Power supply terminal (+1.8V) I MP3 standby on/off control signal input terminal "L": standby Not used - Power supply terminal (+1.8V) - Ground terminal I Input terminal for the test Normally: fixed at "L" I CD serial data input from the system controller I MP3 serial data transfer clock signal input from the system controller - Ground terminal 45