Denon RCD-M38 Service Manual

Also see for D-M38S: Owner's manual

Contents

78CVIIP4001CRLTF (MCU : IC31)CVIIP4001CRLTF Block DiagramCVIIP4001CRLTF Pin Discriptions- 2 -August. 2002 (Rev.7) WWW.INTERPIONSEMI.COM5-CH MOTOR DRIVE IC8 9 10 11 12 13 1 42 3 4 5 6 7121 2 0 19 18 17 16 1 527 26 25 2 4 23 222 8DO1- DO1+ IN1 IN1A N/C REO MUTE SGND FWD IN2 DO2+ DO2- PGND1 REVDO5+DO5-DO3-DO3+IN3CTLVCC1VCC2REFIN4AIN4DO4-PGND2 DO4+ (FIN)(FIN)PIN DESCRIPTIONSNO SYMBOL I/O DESCRIPTION1 DO1- O CH1 OUTPUT (-)2 DO1+ O CH1 OUTPUT (+)3 IN1 I CH1 INPUT 14 IN1A I CH1 INPUT 25 N / C - NO-CONNECTION6 REO O REGULATOROUTPUT7 MUTE I MUTEINPUT8 SGND - SIGNALGROUND9 FWD I CH5 INPUT 110 IN2 I CH2 INPUT11 DO2+ O CH2 OUTPUT (+)12 DO2- O CH2 OUTPUT (-)13 PGND1 - POWER GROUND 114 REV I CH5 INPUT 2NO SYMBOL I/O DESCRIPTION15 DO5+ O CH5 OUTPUT (+)16 DO5- O CH5 OUTPUT (-)17 DO3- O CH3 OUTPUT (-)18 DO3+ O CH3 OUTPUT (+)19 IN3 I CH3 INPUT20 CTL I CH5 MOTOR SPEEDCONTROL21 VCC1 I SUPPLY VOLTAGE 1(CH2,CH3,CH5)22 VCC2 I SUPPLY VOLTAGE 2(CH1,CH4,SIGNAL,REG)23 REF I CH BIAS INPUT24 IN4A I CH4 INPUT 125 IN4 I CH4 INPUT 226 DO4+ O CH4 OUTPUT (+)27 DO4- O CH4 OUTPUT (-)28 PGND2 - POWER GROUND 2PIN CONNECTIONSIP4001- 1 -August. 2002 (Rev.7) WWW.INTERPIONSEMI.COMThe IP4001 is a monolithic integrated circuit, andsuitable for 5-ch motor driver which drives focusactuator, tracking actuator, sled motor, spindle motorand Tray motor of CDP & V-CD system.- 1ch(forward-reverse) control DC motor driver- 4ch BTL(Balanced Transformerless) driver- Built-in TSD (Thermal shutdown) circuit- Built-in 5V regulator with an internal NPN TR- Built-in mute circuit- Built-in Tray motor speed control circuit- Wide operating supply voltage range: 6.5V~13.2VDevice Package Operating TempIP4001 28SSOPH-375 -35 OC ~ +85 OCIP4001TF 28SSOPH-375 -35 OC ~ +85 OCBLOCK DIAGRAMORDER INFORMATIONFEATURES8 9 10 11 12 13 142 3 4 5 6 7121 20 19 18 17 16 1527 26 25 24 23 2228DO1- DO1+ I N 1 IN1A N/C REO MUTE SGND FWD IN2 DO2+ DO2- PGND1 REVDO5+DO5-DO3-DO3+IN3CTLVCC1VCC2REFIN4AIN4DO4-PGND2TSD10K10KD DLevel Shift10K10KD DLevel ShiftIN210K10KDDLevel ShiftDDSWITCHLevel ShiftMSC10K10KDDLevel ShiftBIASVCC2REGULATOR3.3K3.3K2.5V20K20KP W RTRDO4+ (FIN)(FIN)MUTE I N 128SSOP H/S- 2 -August. 2002 (Rev.7) WWW.INTERPIONSEMI.COMIP40015-CH MOTOR DRIVE IC8 9 10 11 12 13 1 42 3 4 5 6 7121 2 0 19 18 17 16 1 527 26 25 2 4 23 222 8DO1- DO1+ IN1 IN1A N/C REO MUTE SGND FWD IN2 DO2+ DO2- PGND1 REVDO5+DO5-DO3-DO3+IN3CTLVCC1VCC2REFIN4AIN4DO4-PGND2 DO4+ (FIN)(FIN)PIN DESCRIPTIONSNO SYMBOL I/O DESCRIPTION1 DO1- O CH1 OUTPUT (-)2 DO1+ O CH1 OUTPUT (+)3 IN1 I CH1 INPUT 14 IN1A I CH1 INPUT 25 N / C - NO-CONNECTION6 REO O REGULATOROUTPUT7 MUTE I MUTEINPUT8 SGND - SIGNALGROUND9 FWD I CH5 INPUT 110 IN2 I CH2 INPUT11 DO2+ O CH2 OUTPUT (+)12 DO2- O CH2 OUTPUT (-)13 PGND1 - POWER GROUND 114 REV I CH5 INPUT 2NO SYMBOL I/O DESCRIPTION15 DO5+ O CH5 OUTPUT (+)16 DO5- O CH5 OUTPUT (-)17 DO3- O CH3 OUTPUT (-)18 DO3+ O CH3 OUTPUT (+)19 IN3 I CH3 INPUT20 CTL I CH5 MOTOR SPEEDCONTROL21 VCC1 I SUPPLY VOLTAGE 1(CH2,CH3,CH5)22 VCC2 I SUPPLY VOLTAGE 2(CH1,CH4,SIGNAL,REG)23 REF I CH BIAS INPUT24 IN4A I CH4 INPUT 125 IN4 I CH4 INPUT 226 DO4+ O CH4 OUTPUT (+)27 DO4- O CH4 OUTPUT (-)28 PGND2 - POWER GROUND 2PIN CONNECTIONSIP4001