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Prology CMD220 Service Manual

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Car Audio
Service
Service
Service Manual
TABLE OF CONTENTS
Technical Specifications.......................................................... 1-2
Measurement setup. . ............................................................... 1-3
Service Aids, Safety Instruction, etc.............................. 1-4 to 1-5
Troubleshooting. . ..................................................................... 1-6
Disassembly Instructions & Service positions ............................2
Set Block diagram.......................................................................3
Set Wiring diagram......................................................................4
Key Board. . ..................................................................................5
Servo Board................................................................................6
Main Board..................................................................................7
Set Mechanical Exploded view & parts list..................................8
CMD220
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Summary of Contents for Prology CMD220

  • Page 1 Car Audio CMD220 Service Service Service Manual TABLE OF CONTENTS Page Technical Specifications............1-2 Measurement setup..............1-3 Service Aids, Safety Instruction, etc......1-4 to 1-5 Troubleshooting............... 1-6 Disassembly Instructions & Service positions ......2 Set Block diagram...............3 Set Wiring diagram..............4...

  • Page 2: Specifications

    SPECIFICATIONS General Power supply 12V DC(11V-16V) Test voltage 14.4V, negative ground Maximum power output 50Wx4 channels Continuous power output 25Wx4 channels (4 10% T.H.D.) Suitable speaker impedance 4-8 ohm Pre-Amp output voltage 4.0V(CD play mode: 1KHz, 0 dB, 10 K load) Fuse ESP(optional) 30s(CD-DA)/120s (MP3)
  • Page 3 MEASUREMENT SETUP...
  • Page 4 HANDLING CHIP COMPONENTS...

  • Page 6: Troubleshooting

    TROUBLESHOOTING If you suspect something is wrong, immediately switch power off. Do not use the unit in abnormal condition, for example without sound, or with smoke or foul smell, can cause fire or electric shock. Immediately stop using it and call the store where you purchased it. Never try to repair the unit yourself because it is dangerous to do so.
  • Page 7 DISMANTLING INSTRUCTIONS 1. Remove the front panel. Pull out the FPC wire. 2. Remove the top, bottom cover and heatsank. Loosen the 2 pcs screw to remove the top cover. Loosen the 11 pcs screw to remove the heatsank. Loosen the 2 pcs screw to remove the bottom cover.
  • Page 8 DISMANTLING INSTRUCTIONS Service Position A Service PositionC Service Position B Service Position D...

  • Page 9: Set Block Diagram

    SET BLOCK DIAGRAM...

  • Page 10: Set Wiring Diagram

    SET WIRING DIAGRAM...

  • Page 11: Key Board

    LCD PIN CONNECTION 　 KEY BOARD PIN SEGMENT DISPLAY TABLE OF CONTENTS LCD Display ....... 5-1 Circuit Diagram .
  • Page 12 CIRCUIT DIAGRAM - KEY BOARD...
  • Page 13 LAYOUT DIAGRAM - KEY BOARD TOP VIEW LAYOUT DIAGRAM - KEY BOARD BOTTOM VIEW...
  • Page 14 ELECTRICAL PARTS LIST - KEY BOARD Part No. Description Location 121604000102 R106 R115 RES,1K? ,±5%,1/16W,0603 121604000103 R117 RES,10K? ,±5%,1/16W,0603 121604000152 R107 R116 RES,1K5? ,±5%,1/16W,0603 121604000181 R101 R110 RES,180? ,±5%,1/16W,0603 121604000220 R118 R120 R121 R122 R144 RES,22? ,±5%,1/16W,0603 121604000221 R102 R111 RES,220? ,±5%,1/16W,0603 121604000222 R108...

  • Page 15: Servo Board

    　 SERVO BOARD TABLE OF CONTENTS Circuit Diagram ......6-2 Layout Diagram ......6-3 Electrical Parts List .
  • Page 16 CIRCUIT DIAGRAM - SERVO BOARD...
  • Page 17 LAYOUT DIAGRAM - SERVO BOARD LAYOUT DIAGRAM - SERVO BOARD TOP VIEW BOTTOM VIEW...
  • Page 18 ELECTRICAL PARTS LIST - SERVO BOARD Part No. Description Location Part No. Description Location E.CAP,100 F,±20%,6.3X5,16V,105 C 133010020342 121830020107 C21 C22 C34 PCB,SB,CM703RS,FR4,109.8X109X1.2mm 121604000000 121830040476 E.CAP,47 F,±20%,5X5,16V,105 C C12 C6 RES,0? ,±5%,1/16W,0603 R43 R85 R87 R27 121604000101 143405000004 INFRARED RECEIVER,IR928-6C D1 D2 RES,100? ,±5%,1/16W,0603 R52 R53 R60 R61 R62 R67 R68...

  • Page 19: Main Board

    　 MAIN BOARD TABLE OF CONTENTS Circuit Diagram ......7-2 Layout Diagram ..... . . 7-3 to 7-4 Electrical Parts List .
  • Page 20 CIRCUIT DIAGRAM - MAIN BOARD...
  • Page 21 LAYOUT DIAGRAM - MAIN BOARD TOP VIEW...
  • Page 22 LAYOUT DIAGRAM - MAIN BOARD BOTTOM VIEW...
  • Page 23 ELECTRICAL PARTS LIST - MAIN BOARD Part No. Description Location Part No. Description Location 121640000101 RCF,100? ,± ? ,± 5%,1/8W R637 121604000104 RES,100K? ,±5%,1/16W,0603 R428 R442 R474 121640000102 RCF,1K? ,±5%,1/8W R526 R541 R447 R510 R524 121604000123 RES,12K? ,±5%,1/16W,0603 R446 121640000103 RCF,10K? ,±5%,1/8W R108 R408 R433 R475 R527 R529 121604000222...
  • Page 24 ELECTRICAL PARTS LIST - MAIN BOARD Part No. Description Location 123830000003 16PIN,1.0mm FFC SOCKET CON402 142206000006 REC DIODE,1N5401,3A,1V,100V,DO-27,HY D802 124800000025 FUSE,ZH270,15A,SLOW FUSE TYPE 123805000102 CON401 7PIN,CONNECT,2.0mm,90 141670000109 GBX050,PTC(RILAIDA) ZD805 141090000043 CON24 ANTTENA JACK 121842010477 C619 E.CAP,470µF,±20%,8X12,16V,105 121830000226 C115 E.CAP,22µF,±20%,4X5,16V,105 121646000022 R803 RCF,2? 2,±5%,1/2W...
  • Page 25 EXPLODED VIEW - MAIN UNIT...
  • Page 26 MECHANICAL PARTS LIST(CMD-220) Item Assembly Part NO Description Item Assembly Part NO Description 83823CM420KB060 ASS'Y PANEL FOR CM420 141002010007 LCD COVER FOR CD420 121040000087 SCREW,BTS,White Ni,M3.0X6 143400000093 121040000083 SCREW,BTS,White Ni,M2.6X5 121290010068 FILTER SHEET FOR CD420 141000020865 FRONT BTACKET FOR CM420 121290000415 LCD REFECTOR FOR CD420 141000000126...
  • Page 27 MECHANICAL PARTS LIST(CMD-220R) Item Assembly Part NO Description Item Assembly Part NO Description 83823CM420KB070 ASS'Y PANEL FOR CM420 141002010007 LCD COVER FOR CD420 121040000087 SCREW,BTS,White Ni,M3.0X6 143400000093 121040000083 SCREW,BTS,White Ni,M2.6X5 121290010068 FILTER SHEET FOR CD420 141000020865 FRONT BTACKET FOR CM420 121290000415 LCD REFECTOR FOR CD420 141000000126...

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