Panasonic SC-TM23 Service Manual

Contents

Panasonic SC-TM23 Service Manual Manual pdf 79 page image

21 Terminal Function of IC’s21.1 IC7002 (MN6627953HB) Servo processor/Digital signal processor/ Digital filter/ D/Aconverter79Pin No. Mark I/O Function1 EXT0 I/O Extend input/output port 02 EXT1 I/O Extend input/output port 13 EXT2 I/O Extend input/output port 24 PWMSEL I PWM output selectioninput(:Direct; H: Tri-State5 SPOUT O Spindle driver output signal6 SPPOL O Spindle driver output signal7 TRVP O Spindle driver output signal8 TRVM O Spindle driver output signal9 TRVP2 O Traverse driver outputsignal 2 (+)10 TRVM2 O Traverse driver outputsignal 2 (-)11 TRP O Traverse driver outputsignal (+)12 TRM O Traverse driver outputsignal (-)13 FOP O Traverse driver outputsignal (+)14 FOM O Traverse driver outputsignal (-)15 IOVDD3 - I/O power supply 316 DVDD1 - Power supply 1 for digitalcircuit17 DVSS1 - Digital circuit GND 118 ADPVCC I Power voltage monitor.Power voltage input19 TEIN I DSP traverse error signalinput20 FEIN I DSP focus error signal input21 CEA I/O HPF-Amp capacitanceconnection terminal22 RFENV O RF envelope signal monitor23 FEOUT O FE Amp output24 FEN I FE Amp reversal input25 TEN I TE Amp reversal input26 TEOUT O TE Amp output27 VREF O VREF output28 PD I APC Amp input29 LD O APC Amp output30 E I Tracking input signal 131 F I Tracking input signal 232 D I Tracking input signal 433 B I Tracking input signal 2Pin No. Mark I/O Function34 C I Tracking input signal 335 A I Focus input signal 136 DCDET I Detection HPF capacitanceterminal37 RFVDD - RF Amp power supply38 RESERVE - AVSS239 RFOUT O RF Amp output40 RFIN I AGC input41 CAGC I/O AGC control terminal42 ARFOUT O AGC output (Audio RF)43 AVSS2 - Analog circuit GND 244 ARFIN I RF signal input45 DSLF O DSL loop filter46 IREF I I (current), Reference input47 PLLF O PLL loop filter48 PLLF0 O PLL loop filter49 AVDD2 - Analog circuit power supply250 OUTL O LCH output signal51 AVSS1 - Audio output circuit GND 152 N.C. - No Connection53 AVDD1 - Power supply 1 for analogcircuit54 OUTR O RCH output signal55 DVSS2 - Digital circuit GND 256 IOVDD1 - I/O power supply 157 DVDD2 - Power supply 2 for Digitalcircuit58 REGON I Laser diode control (H: ON)59 IOMODE I I/O switching setting input60 NTEST I Test mode setting input (H:ON)61 TX O Digital audio interfaceoutput62 FLAG O Flag signal output63 MCLK I Micro-P serial commandCLK64 MDATA I Micro-P serial commandDATA65 MLD I Micro-P serial commandLOAD66 STAT O Status signal output