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CDR-4611 DMP

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Summary of Contents for Roadstar CDR-4611 DMP

  • Page 1 CDR-4611 DMP...
  • Page 2: Table Of Contents

    SERVICE MANUAL CONTENTS 2. CD TEST 3. BLOCK DIAGRAM 4. SAFETY CHECK 5. CD PLAYER CHECKING PROCEDURE 6. TROUBLE SHOOTING 7. SCHEMATIC DIAGRAM 8. PCB LAYOUT 9. EXPLODE VIEW 10. BILL OF MATERIAL...
  • Page 3: Specifications

    SPECIFICATIONS Power source AC 230V Load impedance 4 ohm Reference output 50 mW BAND: AM 1 kHz 30% MOD. Characteristic Unit Nominal Limit Frequency ±25 Range High 1645 ±30 Intermediate Frequency ± 2 20 dB S/N 1000 kHz 600 dB/M Sensitivity dB/M 1400 kHz...
  • Page 4 Item Unit Nominal Limit Frequency Response 100 Hz ±3 20kHz ±3 S/N W/IEC-A & LPF. Interruption µm 1000 Black Dot µm Eccentricity µm Channel Separation (W/Band Pass Filter)
  • Page 5: Block Diagram

    BLOCK DIAGRAM AM/FM TA2111 SPEAKER POWER FUNCTIONS AMP IC7 TRANSITION TA8227 CD MECH CD SERVO...
  • Page 6: Safety Check

    SAFETY CHECKS Important Note!!! Do the following safety checks after servicing this unit. 1. Remove all the externally connected test equipment and wires before testing the unit. 2. Use the safety test circuit as shown below. 3. Plug the power cord or unit to be tested into the test receptacle. 4.
  • Page 7: Cd Player Checking Procedure

    CD PLAYER CHECKING PROCEDURES 1) Test Point : VC, TS10. 2) Test Disc : Sony Test CD Type 3. 3) Test Equipment : Scope : DC 0.2 V 0.5 ms. 4) Test Mode : Play Sony CD, Type 3, Track 1, Press FF. (Fast Forward), Adjust VR401 Until A=B (as Figure Bellow).
  • Page 8: Troubleshooting

    TROUBLESHOOTING Circuit Symptom Cause and Remedy • General No sound Speakers are not connected: Check the speaker connection. • Wrong function is selected: Set switch to the proper position. • Defective volume control: Set the volume control to a proper sound level. •...
  • Page 9 :+ 03VFK  0RQ -XO   ...
  • Page 10 :+ 03VFK  0RQ -XO   ...
  • Page 14: Explode View

    EXPLODE VIEW BOTTOM CABINET MID-CABINET TUNING GEAR FUNCTION KNOB FRONT CABINET SPEAKER CD DOOR DIAL DRUM LCD BRACKET PVC KNOB LCD LENS RING LCD LENS SPEAKER GRILL AC SOCKET BATTERY DOOR AC COVER CD KNOB SPEAKER CLIP CD DOOR LENS DUST PROOF COVER TRANSFORMER BATTERY TERMINAL...
  • Page 15: Bill Of Material

    Bill of Materials Index Part Name Description Unit Remarks WH729MP3-M REV-B TH=1.6 WH729MP3-D REV-B TH=1.0 WH-MP3-REMOTE REV-2 TH=1.0 35*58MM / 94HB / CX050-052 RJ9 RJ10 RJ5 RJ7 RJ8 RJ11 RJ12 RJ13 RJ15 RJ16 RJ18 RJ19 RJ20 RJ21 RJ22 Resistor (SMD 1206) RJ23 RJ24 RJ25 RJ26 RJ27 RJ28 RJ29 RJ30 RJ31 RJ32 RJ33 RJ34 RJ35 Resistor (SMD 0603)
  • Page 16 5.6K 680R R106 6.8K R16 R51 R83 R119 R125 R130 8.2K R107 R108 Resistor (DPI) 150R 1/4W R26 R105 470R 1/4W 4.7K 1/16W 3.3R 1/4W R54 R55 Ceramic Cap (SMD 0603) 102P C68C69C148 103P C30 C51 C74 C75 C88 C94 C106 C147 C18 C21 C29 C32 C33 C34 C35 C37 C41 C42 C43 C45 C49 C65 C89 C91 C95 C133 104P...
  • Page 17 2200UF/25V C111 220UF/16V C16 C17 C61 C73 C86 22UF/10V 3.3UF/50V C12 C9 470UF/25V C53 C55 C124 C2 C3 C4 C5 C6 C7 C8 C13 C14 C60 C62 47UF/16V C103 C105 4.7UF/50V C79 C125 C126 Filter 10.7 (3-pin) 10.7 (2-pin) 455K Crystal 16.93MHZ Transistor...
  • Page 18 Touch Switch 6 x 6 x 5 Speaker 2.5" 4Ω3W CD Mechanism SANYO CD Mech. Rubber 20° (Yellow) CD mechanism Transformer EI-41 9V Current ≥800MA AC Socket with Switch 110/220 Switch SS12J01 Band Switch SK44D04GB Am Antenna 115:15 L:80 mm AC Cord CD Door Switch 04 Type...
  • Page 19 Dial Spring 2.0 dia. x 12 PVC Knob Screws 3 x 5 PM Antenna 3 x 10 PWA AC Socket 3 x 10 PA Transformer 2 x 8 PA CD x 4, spkr x 4, cab x 4, handle x 2 3 x 12 PA 2.6 x 12 PA Bottom...
  • Page 20 Poly Bag Export Carton Pin Wire 16P x 300 x 1.0mm CD to PCB 6P x 85mm x 2.0mm CD to PCB FCC Pins 19P x 100mm x 1.0mm LCD to PCB 3P x 250mm x 2.0mm 3P x 100mm x 2.0mm CD Function key to PCB 5P x 140mm x 2.5mm UL 2651 Aux to PCB...