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Roadstar CDR-4611 UDMP Service Manual
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Roadstar CDR-4611 UDMP Service Manual

Roadstar CDR-4611 UDMP Service Manual

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CDR-4611 UDMP

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Summary of Contents for Roadstar CDR-4611 UDMP

  • Page 1 CDR-4611 UDMP...

  • Page 2: Table Of Contents

    SERVICE MANUAL CONTENTS 1. SPECIFICATIONS 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 dB/M Sensitivity 600 kHz 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 SPEAKER TA2111 FUNCTIONS POWER AMP 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 A. WAVE E/F BALANCE ADJUSTMENT Test Point VC, TS10. Test Disc Sony Test CD Type 3. Test Equipment Scope DC 0.2 V 0.5 ms. Test Mode Play Sony CD, Type 3, Track 1, Press FF. (Fast Forward), Adjust VR401 Until A=B (as Figure Bellow). SCOPE : DC POSITION Figure A B.

  • 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 18: Explode View

    EXPLODE VIEW Front Cabinet AC Socket Shelf 2.6 x 6 P/A Screw Back Cabinet LCD Lens Ring 3 x 8 P/A Screw CD Door Speaker Clips (Kit) 2.6 x 4 K/A Screw LCD Plate Battery Terminal (Kit) 2.6 x 6 P/A Screw LCD Lens CD Door Spring 2 x 5 PWA Screw...

  • Page 19: Bill Of Material

    Bill of Material Description : Am/Fm Radio with CD/MP3 Player with USB interface Index Part Name Description Unit Qty. Remarks Elect Cap (SMD) C324 C326 C342 C348 C49 C51 C52 C315 C319 C321 C352 C12 C15 C19 C37 C45 C46 C47 C206 C207 C238 C247 C252 C301 C302 C303 C307 C312 C316 C317 C325 C328 C330 C331 C336 C340 C341 C343 C344 C345...
  • Page 20 Index Part Name Description Unit Qty. Remarks R360 R370 R373 R368 R369 R374 R371 100R R349 R372 R364 R365 R362 R363 R351 R307 120R R203R208 150R R14 R24 R229 R230 R28 R29 R5 R315 R386 R387 R27 R30 180K R302 R303 R304 R305 R232 R248 R309 R316 R326 R327 R335 R359 R375 1.5K...
  • Page 21 Index Part Name Description Unit Qty. Remarks C1 C234 C235 C236 C239 C242 C245 220UF E315 E328 E338 E339 22UF E309 3.3UF E305E307 470UF C209C210E301 C213 C220 C246 E304 E306 E310 E312 47UF E314 E317 E319 E320 E321 E322 E323 Elect Cap 4.7UF C6 C8 C9 E308...
  • Page 22 Index Part Name Description Unit Qty. Remarks OTI006888-G IC309 RT9701CB IC311 B1117-3.3V IC203 B1117-5.0V IC205 S30011 IC301 TA2111N TA2157FN IC302 TA8227 IC202 TC94A34FG-002 IC304 TC94A58FAG-552 IC303 W27C512 IC308 SC3610 LCD display HD43604-01 LCD1 USB connector 222USB USB1 I.F.T. Yellow Speakers 2.5"...
  • Page 23 Index Part Name Description Unit Qty. Remarks 3*12 PA Back cabinet 2*8 PA CD door switch 2.3*6 PA Display board 3*8 PA PCB board 2.6*4 KM Fixing PVC 2.6*6 PM PVC shaft 2.6*8 PA AC converter 2*5 PWA LCD decorating lens 1.4*2.5 PWB CD door decorating lens 2.0*8 KA...
  • Page 24 Index Part Name Description Unit Qty. Remarks AC socket battery wire UL1007# 22 80mm AC socket to battery (+) plate (red) with adhesive (CD mechanism plastic Sponge 18 x 25 x 1 mm bracket) 16 dia x 7 mm Stand (with adhesive) 16 dia x 8 mm Front stand (with adhesive) 10 x 10 x 10...