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Casio CD-311S Service Manual

Cd radio cassette player
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CD-311S
Model-C: Europe
Model-E: Other Countries
CD RADIO CASSETTE PLAYER

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  Summary of Contents for Casio CD-311S

  • Page 1 (without price) CD-311S Model-C: Europe Model-E: Other Countries CD RADIO CASSETTE PLAYER...

  • Page 2: Table Of Contents

    CONTENTS Disassembly Instructions ......................... 1 Reassembly of Tuning Pointer ......................3 Block Diagrams ..........................4 Tuner ............................4 AMP, Tape, PS .......................... 5 CD .............................. 6 Cassette Mechanism Electrical Adjustments ................... 7 CD Adjustment ..........................9 CD Troubleshooting ........................11 PCB Views .............................

  • Page 3: Disassembly Instructions

    DISASSEMBLY INSTRUCTIONS 1. Remove the battery cover and batteries. 2. Remove six screws A holding case B ass’y(case B unit, PS unit). Case B Ass'y Battery Cover Figure 1 3. Remove four screws B holding the case ass’y. CD Door Case Angle Top Case Ass'y Case Ass'y...
  • Page 4 4. Pull out the two slect knobs, volume knob and tuning knob. 5. Remove four screws C holding the tuner unit. Select Knob 6. Remove six screws D holding the CD AMP unit. Volume Knob 7. Remove five screws E holding the VR unit. Select Knob Tuning Knob 8.

  • Page 5: Reassembly Of Tuning Pointer

    REASSEMBLY OF TUNING POINTER 1. Turn the varicon unclockwise stop position. 2. Set the pointer mark position. (refer figure 6) 3. Set the varicon gear of figure 6 position. 4. Insert the tuner gear Varicon Gear Pointer Tuner Gear Varicon Tuner Chassis Figure 5 Varicon Gear...

  • Page 6: Block Diagrams

    BLOCK DIAGRAMS Tuner To Amplifier Block GND V R ch L ch BAND SW FM-MONO Stereo Antenna MPX In RF Out LPF1 LPF2 RF In Decode AM/FM Level GND1 FM MIX AM MIX AM IF FM IF GND2 QUAD Antenna RF In FM Signal AM Signal...

  • Page 7: Amp, Tape, Ps

    AMP, Tape, PS DC 9V SW201 AC 9V Function PS BLOCK BATT VR201 Volume AMP BLOCK SW202 CD 9V To CD Block L ch R ch L ch R ch To Tuner Speaker Block TU 9V Q623, Q620, Q723 Q720 L ch AF MUTE R ch...
  • Page 8 Display CD Mechanism Q501 Disc SW801~SW806 Laser Driver Control Pickup IC501 IC801 Signal Servo µ µ µ µ µ -COM Processor IC503 IC502 Motor and Actuator Disc Digital Signal Driver Motor Processor Sled Motor X501 IC504 Audio 16.9 MHz Filter AMP Pset CD L ch A-GND...

  • Page 9: Cassette Mechanism Electrical Adjustments

    CASSETTE MECHANISM ELECTRICAL ADJUSTMENTS General Remarks Before attempting to adjust the mechanism, wipe clean all tape-contacting surfaces (pinch roller, REC/PB head, erase head, and capstan), as well as the contact surfaces of the driving parts (motor pulley, flywheel, pulley, belt, and clutch assembly), with a piece of soft cloth moistened with denatured alcohol. Grease stains may cause trouble.
  • Page 10 Tape Speed Adjustment (Figures 9 and 10) Adjust Step Setting Result Motor screw Playthe test tape. Frequency counter reading (Figure 10) (MTT-111N) should be 3000 Hz (2910~3090). Furequency Counter 3000 J501 Headphone Jack Figure 9 Motor screw Figure 10...

  • Page 11: Cd Adjustment

    CD ADJUSTMENTS Pre-Adjustment Procedures Remove the bottom chassis assembly. (Refer pages 1, 2) Use the plastic screwdriver. Equipment Required Syncroscope (with probe 10:1) Screwdriver (Plastic type) The Test Disc SONY YEDS-18(Type 4)ABEX TCD784 E-F Balance Adjustment (Figures 11 and 13) Step Connect Setting...
  • Page 12 CD Adjustment Points Vref R571 R572 VR502 R570 VR501 EF Balance CD PCB Top View Figure 13...

  • Page 13: Cd Troubleshooting

    CD TROUBLESHOOTING Open CD door and set function switch for CD position. Is “00” display on LCD ? Load a disc and close CD door. Is total track numbers displayed about 5 seconds ? Press “ / “ key. Is the audio signal present at the output terminals ? Press “...
  • Page 14 1. At power on, “00” is not displayed. Check Q510, Q511 and D510. Is +5 V lines normal Check Q504, Q505 and D504. (for IC801)? Check circuit around IC801. Does 16.93 MHz Check X501. clock pulse appear at Check circuit around X501 and IC502. IC502 pin 79 ? Does 1.4 MHz Check circuit around IC502 pin 72.
  • Page 15 Note: Open the CD door and check the radiation power with an optical power meter or by watching the radiaation through the lens of the pickup unit at a minimum distance of 30cmfrpm the pickup. Does the LASER emit ? Dose the lens move up and down ? Load a disc and close CD door.
  • Page 16 2-A1 Is Q501 emmiter 5V ? Check Q501. (Play) Are waveforms at pins 14~19 of IC502 like that Check around IC 502 and IC801. shown in Fig. 17 ? (GND) Figure 17 Is waveform 2.5V Check around IC501 and IC502 at pin 42 (SEL) of IC502 like (SEL).
  • Page 17 2-A2 Are voltages more than 8V appeared at pins Check around IC503 and Q504. 1and 10 of IC503 ? Is waveform at pins 11 to 12 of IC503 like that shown in Fig. 20 ? Is waveforn at pin 16 (FSO) of IC501like that shown in Fig.21 ? Check 16P flat cable.
  • Page 18 Does the disc motor rotate ? Is waveform at Check wire connector CN543 and pins 15 to 16 of IC503 like that wire. shown in Fig. 23 ? Check disc motor. > 5V Is waveform at pin Figure 23 Check around IC501 and IC502. 40 (DMPC) of IC502 llike that shown in Fig.
  • Page 19 2-B1 Confirm the waveforn at R570 (RFO) with a syncroscope. Waveform Waveform Is waveform at pin 53 (RFI) of IC502 like that Check around pin 53 of IC502. shown in Fig. 25 ? Readjust VR502. Is waveform at pin 60 (PDO) of IC502 like that Check around PLL of IC502.
  • Page 20 2-B2 Is waveform R572 Check 16P flat cable. (TSO) like that shown Readjust VR501. in Fig. 27 ? Check IC501. Is waveform at pin Check around TE-Amp lines. 30 (TS20) of IC501 like that Check IC501. shown in Fig. 27 ? Is waveform at pins Check around TSO lines.
  • Page 21 4. Selected of music cannot be searched. Press the play key. (PAUSE) VREF-TSO Vref Is waveform at Readjust VR501. R572 (TSO) like that Vref shown in Fig. 29 ? Figure 29 VREF-TSO Is waveform at Check wire connector CN502. R572 (TSO) like that Check pickup.

  • Page 22: Pcb Views

    PCB VIEWS Tuner PCB Top View...

  • Page 23: Cd Amp/Door Sw Pcb Top View

    CD AMP PCB Top View Door Switch PCB Top View...

  • Page 24: Vr Pcb Top View

    VR PCB Top View...

  • Page 25: Ps Pcd Top View

    PS PCB Top View PS PCB C2451-505-0-91 AC-1 F400 AC-2 FUSE : 2A/125V AC9V DC9V C400 JP400 JP401...

  • Page 26: Tape Pcb Top View

    Tape PCB Top View...

  • Page 27: Lcd Pcb Top View

    LCD PCB Top View...

  • Page 28: Wiring Diagram

    WIRING DIAGRAM CASSETTE MECHANISM Switch Motor LCD PCB R/P Head CD AMP PCB TUNER PCB CN544 CN551 CN540 CN539 CN547 CN546 TAPE PCB PS PCB Trelescopic Batteries 1.5 x 6 Antenna Bar Antenna DOOR SW PCB Model: E PS PCB CD MECHANISM Yellow Yellow...

  • Page 29: Ic Lead Identification And Internal Diagrams

    IC LEAD IDENTIFICATION AND INTERNAL DIAGRAMS IC3: TA8167N FM OSC AM OSC MPX In LPF1 LPF2 L ch Out R ch Out RF In RF Out Decode AM/FM Level FM IF In GND2 TUN LED ST LED QUAD FM RF In GND1 FM MIX AM MIX...
  • Page 30 IC501: TA2065F 3.5µA TEL2 RFBF 17.5k TEL1 2.5µA VR 21k 20µA 2VRO RFRP TS1P RFRP SBAD TS1N DFIN TS2P 100k TS2N 1.27k TS2O THLD FMSP FMSN 100µA 2.8k FSOSC FHLD 180k FEL1 FMSO 100k DFCT FEL2 1.35V 1.5k 150k COSC OSCI DMEP DMEN...
  • Page 31 IC502: TC9284BF 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 CLCK 2VREF Focus/Tracking Servo Tracking Search Correction Control Circuit SUBD Sydtem Timing SUBSYC Generator FCSI FKIC Servo Status Signal Generating Circuit 4MCK FEL2 BUCK FEL1...
  • Page 32 IC503: BA5941FP VIN4’ VIN4 VIN3’ VIN3 OP Out OP In(-) OP In(+) VO3(-) VO3(+) VO4(-) VO4(+) 13.3K Level shift 13.3K Level shift Level shift Level shift 13.3K 13.3K MUTE BIAS In VIN1’ VIN1 VIN2’ VIN2 MUTE VO2(-) VO2(+) VO1(-) VO1(+) IC504: BA4510F Out 2 -In2...
  • Page 33 IC581: TA8227P B.S. 2 B.S. 1 Out 1 Power GND OUt 2 30 kΩ Bias Circuit 30 kΩ Thermal Vcc1 Shut Down Protection Ch 1 Ch 2 Circuit Vcc2 Pre GND (F In) 45Ω 45Ω In 1 NF 1 In 2 NF 2 Ripple...
  • Page 34 IC801: TMP47C422F-FR11...

  • Page 35: Schematic Diagrams

    SCHEMATIC DIAGRAMS CD Mchanism Disc Sled Motor Disc Motor P set Switch...

  • Page 36: Tuner

    Tuner 1 N 4 1 4 8 0 . 0 2 2 C2 6 1 S 2 2 3 4 - 1 0 C1 0 3 3 P F 1 0 0 K 0 . 0 2 2 0 . 0 2 2 I C3 T A 8 1 6 7 N 1 8 - 2 7 P F...

  • Page 37: Amp,Ps

    AMP, PS VOL PCB C211 BATTERY *This circuit diagarm shows the basic circuit. It is subject to change for the purpose of important. TO VOL PCB R207 *Parts maker with are of importance in respect to the safety. BATT-1 CN400 Use the specifed type without fail.

  • Page 38: Tape

    R120 Tape R103 220K C103 R121 R104 0.01u 220K C104 R102 C132 D103 0.0027u C102 R105 C105 1N4148 C126 0.01 R109 0.01u 6.8K 0.001u R122 R125 R106 C106 R126 100K C127 0.0047u C135 R107 C107 220K 47p (CH) C108 R108 C128 C111 C111...
  • Page 39 2446LCD LCD PCB TO:CD AMP PCB C594 CW551 P-SET SW 2446-551 DOOR SW 2446-550 Pitch2.5 CW544 2446-544 2.0pitch CN500 CN544 10pin P2.5 CD AMP PCB 2.0pitch P-SET SW R825..R834 47K x 10 C803 0.22u R841 Q801 C802 2SC1815 0.1u C521 R562 0.033u R840...

  • Page 40: Parts List

    PARTS LIST CD-311S Notes: 1. Prices and specifications are subject to change without pointer notice. 2. As for spare parts order and supply, refer to the “GUIDEBOOK for Spare parts Supply”, published separately. 3. The numbers in item column correspond to the...
  • Page 41 Item Patrt Code Part Name Specification Q'ty ELECTRICAL PARTS CD AMP IC 501 2114 4634 IC / TA2065F 0911-187-1-00 IC 502 2114 4641 IC / TC9284BF 0911-187-2-00 N IC 503 1915 7492 IC / BA5941FP 0911-205-5-00 IC 504 1909 5840 IC / BA4510F 0911-166-3-00 IC 581...
  • Page 42 Item Patrt Code Part Name Specification Q'ty L- 004 1910 0323 COIL W/O CORE (FM,OSC) 0013-150-0-00 L- 005 1909 3371 COIL 0013-024-0-00 L- 007 1910 0324 FM IFT-10 (F-812630) C0012-009-0-00 L- 008 1910 0325 AM IFT-10 (A-814867) C0012-339-0-00 L- 009 1910 0326 FM IFT-10 (F-812628) C0012-010-0-00...
  • Page 43 Item Patrt Code Part Name Specification Q'ty 15-3 1915 7369 DISPLAY WINDOW C2446-832-0-02 15-5 1915 7435 LEVER / LOCK C2446-870-0-00 15-6 1915 7438 SPRING / CD DOOR C2451-401-1-00 15-7 1915 7367 CD DOOR C2451-807-0-07 15-8 6924 3300 GEAR 2431-274-0-00 1915 7444 UNIT/TAPE MECHA SET, 2596-152-0-00 DA-2596-152...
  • Page 44 Capacitors and resistors can not be supplied, because they will be available in your country. CAPACITOR Item Specification Q’ty Item Specification Q’ty Ceramic 22 PF C129 Electrolytic 16V 47µF 100 µF Ceramic 25 PF C130 Electrolytic 16V 0.01 µF Ceramic 5 PF 0.25 PF C131 Plastic film 50V...
  • Page 45 Item Specification Q’ty Item Specification Q’ty 22 µF 0.1 µF C540 Electrolytic 16V C750 Plastic film 50V 100 µF C542 Electrolytic 16V C801 Plastic film 50V 4700 PF 0.047 µF +80/-20% 0.1 µF C802 Electrolytic 50V C543 Ceramic 0.22 µF C545 Ceramic 1000 PF C803 Electrolytic 50V...
  • Page 46 Item Specification Q’ty Item Specification Q’ty R502~ 56KΩ R591 47Ω 1/4W R505 R601 22KΩ 1/4W R506 68KΩ R602 22KΩ 1/4W R507 68KΩ R603 22KΩ R508 130KΩ R604 22KΩ R509 180KΩ R605~ 33KΩ R510 22Ω 1/4W R608 R511 51KΩ R609 12KΩ R512 39KΩ...

  • Page 47: Exploded Views

    EXPLODED VIEWS Cabinet 1 (2/2) J301 S-10 T001 L001 1 (1/2)

  • Page 48: Cassette Mechanism

    Cassette Mechanism 13-1 13-2 13-3 13-4 13-5 13-6...

  • Page 49: Case Unit

    Case Unit 14-7 15-8 14-8 14-7 14-4 14-2 14-6 14-5 14-3 14-1...

  • Page 50: Top Case Unit

    Top Case Unit 15-2 15-4 15-7 15-6 15-1 15-3 15-5 14-8 15-8...

  • Page 51: Cd Mechanism

    CD Mechanism 16-4 16-10 16-5 16-9 16-16 16-7 16-2 16-14 16-6 16-13 16-3 16-15 16-12 16-8 16-11 16-1...
  • Page 52 CASIO TECHNO CO.,LTD. Overseas Service Division 8-11-10, Nishi-Shinjuku Shinjuku-ku, Tokyo 160-0023, Japan AF0400181A...