13.1. IC101(AN22003A-NF):Servo AmplifierPinNo.TerminalNameI/O Function1 PD I APC amplifier input terminal2 LD O Laser power drive signal output3 V CC I Power supply terminal4 EQSW I EQ characteristic drive signal input5 RFOUT - Not used, open6 RF IN I RF signal input terminal7 CAGC - AGC loop filter capacity connectionterminal8 ARF O RF signal output terminal9 CEA I H.P.F. Capacitor connection terminal10 3TOUT O RF envelope signal output terminal11 DCDET I The H.P.F. capacitor connection terminalfor detection systems12 OFTCONT - Not used, open13 BDO O Dropout signal output terminal14 OFTR O Off-track signal output terminal15 NRFDET O RF detection signal output terminal16 LDON=H I Laser ON signal input terminal17 GND - GND18 PDOWN=H I Reduced voltage detection signal input19 VREF O Reference voltage output terminal20 TEIN I Tracking error amplifier input terminal21 TE O Tracking error amplifier output terminal22 FEIN I Focus error amplifier input terminal23 FE O Focus error amplifier output terminal24 GCTL - Not used, open25 FBAL I Focus balance signal input terminal26 TBAL I Tracking balance signal input terminal27 PDE I Tracking signal input terminal28 PDF I Tracking signal input terminal29 PDB I Focus signal input terminal30 PDC I RF addition amplifier input terminal31 PDA I Focus signal input terminal32 SHARP=H I LD reference voltage input terminal13.2. IC301(C2BBGE000792):System Control / LCD DrivePinNo.TerminalNameI/O Function1 6KEY I 6Key Remote control key signal input2 DOCTOR I Doctor mode select signal input3 VMONITOR2I Battery remaining measurement/batteryshorting detect signal input4 VMONITOR1I Rechargeable battery/alkaline batteryvoltage signal input5 KEY3 - Not used, open6 KEY2 I Operation key signal input7 KEY1 I Operation key signal input8 OPEN I CD cover open detect signal input9 CHARGE1 O Charge control signal output10 BUZ - Not used, open11 CHARGE2 O PVCC1 voltage up signal output12 RAMCNT O DRAM control signal output13 HPCNT O Headphone out control signal output14 ECS O EEPROM communication selection output15 ACDET I AC Power supply detect signal input16 PLAY I PLAY key signal input17 MLD O Serial command latch outputPinNo.TerminalNameI/O Function18 MCLK/SK O Serial command clock / EEPROM clockoutput19 MDATA/DIO0O Serial command data output / EEPROMdata output20 STAT I Status signal input21 BLKCK I Block clock signal input22 WLSRCN - Not used, open23 RIO - Not used, open24 TYPESEL2 I Model selection input25 /RESET I Reset detect signal input26 EXT-IN I Oscillator connected terminal (F=32.7 kHz)27 EXT-OUT O28 XOSCIN I System clock signal29 XOSCOUT O30 V SS - GND31 REST I Rest detect switch signal input32 A.SHOCK - Not used, open33 HOLD I HOLD switch signal input34 JUDGE - Not used, open35 CHG I Alkaline battery detect signal input36 CHGSEL2 I Charge selection237 POWER O Power supply control signal output38 MUTE O MUTE signal output39 PDOWN O Headamp power off signal output40 RESX - Not used, open41 RS/LED - Not used, open42 X2 O RF equalizer twice speed signal output43 RW O Output for CD-RW44 E - Not used, open45 SEG25/PDNO LCD segment signal output46 SEG24/RSTNO LCD segment signal output47 TYPESEL3 - Not used, open48 TYPESEL - Not used, open49 CHGSEL I Charge method selection signal input50 CHGSEL3 - Not used, open51 PMSEL - Not used, open52 XBSLPSEL I XBS LPF Setting select signal input53|70SEG17|SEG0O LCD segment signal output71 V CC I Power supply terminal72 VREF I Reference voltage input terminal73 AV SS - GND74|77COM3|COM0O LCD common signal output terminal78 VL3 I Power supply terminal79 VL2 I Power supply terminal (LCD drive bias)80 VL1 I Power supply terminal (LCD drive bias)13.3. IC501(MN6627935CM):Servo Processor/ DigitalSignal Processor/ Digital Filter& D/A ConverterPinNo.TerminalNameI/O Function1|4D11|D8I/O DRAM data input/output signal5 UDQM O High byte data mask signal output6 SDRCK O Clock signal output13 Terminal Function of ICs25SL-SX450EB / SL-SX450EE / SL-SX450EG / SL-SX450GC / SL-SX450GN