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Akai ACR-21MP, Service Manual

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Akai ACR-21MP Service Manual Download Page 1

SERVICE MANUAL

Models:

ACR21MP
ACR31MP
ACR41MP

PULL SYNTHESIZED

STEREO RADIO WITH

COMPACT DISC PLAYER

DIGITAL

www.akai.ru

Summary of Contents for ACR-21MP

Page 1: ...SERVICE MANUAL Models ACR 21MP ACR 31MP ACR 41MP PULL SYNTHESIZED STEREO RADIO WITH COMPACT DISC PLAYER DIGITAL www akai ru...

Page 2: ...ids Safety Instruction etc 1 4 to 1 5 Preparations Controls 1 6 to 1 11 Maintenance Troubleshooting 1 12 Disassembly Instructions Service positions 2 Set Block diagram 3 Set W iring diagram 4 Key Boar...

Page 3: ...Stereo separation Image response ratio IF response ratio Signal noise ratio 87 5 108 0 MHz EUROPE MODEL 87 5 107 9 MHz USA MODEL 65 0 74 0 MHz OIRT MODEL 8 dB 12 dB 30Hz 15kHz 30dB 1kHz 50dB 70dB 55d...

Page 4: ...tmeter e g PM5326 250Hz 15kHz e g 7122 707 48001 e g PM2534 S N and distortion meter e g Sound Technology ST1700B Frame aerial e g 7122 707 89001 To avoid atmospheric interference all AM measurements...

Page 5: ...SOLDER WICK 4822 321 40042 e g A PAIR OF TWEEZERS HEATING HEATING SOLDERING IRON SOLDER WICK CLEANING PRECAUTIONS COPPER TRACK IRON CORRECT SOLDERING IRON SOLDERING CHIP COMPONENT EXAMPLES CORRECT IR...

Page 6: ...potentiaal AVVERTIMENTO Tutti IC e parecchi semi conduttori sono sensibili alle scariche statiche ESD La loro longevita potrebbe essere fortemente ridatta in caso di non osservazione della piu grande...

Page 7: ...ONS Wiring Diagram 1 6 ACC red Auto Antenna blue Battery 12V yellow Ground black Subwoofer out Fuse 15A Green Antenna ISO connector Line out Gray Rear Line out Brown Front R Red L White R Red L White...

Page 8: ...Power On Press any button on the panel except to turn on the unit CONTROLS Play Pause Top play press more than 2 sec Intro play 10sec MP3 track 10 up MP3 track 10 down Track Random play Track Repeat p...

Page 9: ...throwing away or saving the battery wrap it in tape and insulate otherwise the battery may start to give off heat crack or start a fire Do not poke the battery with tweezers or similar tools Doing thi...

Page 10: ...SEEK mode When TA is turned on and no traffic program identification code has been received during the specified time no TA TP is displayed and according to the MENU SELECT alarm is set off or TA SEEK...

Page 11: ...rotate the knob to choose MASK DPI or MASK ALL mode MASK DPI mode Only the AF which has different program identification is masked MASK ALL mode The AF which has different program identification and...

Page 12: ...he folder press the knob and rotate to select the track you want Press the knob again to play the track ALBUM MUSIC AR TIS T M P3 While playing M 3 disc the folder file name and ID3 tag Song title Alb...

Page 13: ...ns of higher signal level Much noise in broadcasts Preset station lost Battery cable is not correctly connected Connect the battery cable to the terminal that is always live Error Display Messages Dis...

Page 14: ...screws 1 Remove top cover 2 Remove loader 3 Remove main board Prize up the top cover Remove the seven screws Remove two screws on the headsink at left side Remove two screws at right side Pull out FP...

Page 15: ...2 2 DISMANTLING INSTRUCTIONS 2 2 Service Position A Service Position B Service Position C Service Position D...

Page 16: ...3 3 SET BLOCK DIAGRAM LCD Display...

Page 17: ...4 4 SET WIRING DIAGRAM...

Page 18: ...KEY BOARD TABLE OF CONTENTS LCD Display 5 1 5 2 Key Board Circuit Diagram 5 3 Key Board Layout Diagram LCD PIN CONNECTION 5 1 5 1 Electrical Parts List 5 4...

Page 19: ...5 2 5 2 KEY BOARD CIRCUIT DIAGRAM...

Page 20: ...5 3 5 3 KEY BOARD LAYOUT DIAGRAM TOP VIEW KEY BOARD LAYOUT DIAGRAM BOTTOM VIEW...

Page 21: ...F 220 1 16W 5 SMT 0603 RMF 330 1 10W 5 SMT 0805 RMF 330 1 16W 5 SMT 0603 RMF 470 1 16W 5 SMT 0603 RMF 470 1 10W 5 SMT 0805 RMF 680 1 16W 5 SMT 0603 RMF 680 1 10W 5 SMT 0805 CC1000PF 50V 10 0603 X7R CC...

Page 22: ...6 1 6 1 SERVO BOARD TABLE OF CONTENTS Circuit Diagram 6 2 PCB Layout 6 3 6 4 Electrical Parts List...

Page 23: ...6 2 6 2 SERVO BOARD CIRCUIT DIAGRAM...

Page 24: ...6 3 6 3 SERVO BOARD LAYOUT DIAGRAM TOP VIEW SERVO BOARD LAYOUT DIAGRAM BOTTOM VIEW...

Page 25: ...CC0 15 F 50V 80 20 0603 CC2200PF 50V 10 0603 X7R CC33PF 50V 5 SMT 0603 CC0 033 F 50V 20 SMT 0603 CC 390PF 50V 10 SMT 0603 CC0 47 F 25V 80 20 0603 CC 0 068 F 50V 20 SMT 0603 CC 820PF 50V 10 SMT 0603 ZE...

Page 26: ...7 1 7 1 TABLE OF CONTENTS Circuit Diagram 7 2 PCB Layout 7 3 Electrical Parts List 7 4 to 7 5 MAIN BOARD...

Page 27: ...SERVO BOARD CIRCUIT DIAGRAM 7 2 7 2...

Page 28: ...SERVO BOARD LAYOUT DIAGRAM TOP VIEW 7 3 7 3...

Page 29: ...1013 0 11 0202 1021 0 11 0202 1032 0 11 0202 1042 0 11 0203 1051 0 11 0202 1532 0 11 0202 2232 0 11 0202 2241 0 11 0203 2251 0 11 0202 3301 0 11 0202 2222 0 11 0202 3341 0 11 0202 6821 0 11 0406 0002...

Page 30: ...DUCTOR 150 H CHOKE INDUCTOR 400 H 24MM FOR CAD415 DIODE IN5401 TR BD435 TO 126C CJ TR B1243 POWER SWITCH IC L7809 REGULATOR ST GBX050 PTC RILAIDA IC 78L05 REGULATOR ST IC TA7291S MOTOR CTC TOSHIBA I C...

Page 31: ...8 1 8 1 EXPLODED VIEW MAIN UNIT...

Page 32: ...AME MOTOR FOR CM226 PLATING NI BTB SCREW M2 6X5 FRAME BACK SHEET FOR CM232 ANT SOCKET W GND L 230MM 2PIN RCA 280MM SUBOUT P 2 0MM OF CAD415 RUBBER FOR CMV100 POLE FOR CMV100 PLATING NICKEL BTB SCREW M...

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