DISASSEMBLY INSTRUCTIONS 1. Remove the battery cover. 2. Remove eight screws A holding the case B unit. Case B ass’y 3. Open the CD door and remove three screws B holding the case ass’y. CD door Top case ass’y Case ass’y...
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4. Remove four screws C holding the MD holder A and MD mechanism ass’y. 5. Remove five screws D holding the display unit. 6. Remove the three PCB supports holding AMP PCB. (reffer figure) Display unit MD Holder A MD Mechanism ass’y AMP PCB ass’y Case ass’y support...
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9. Pull out the two volume key ass’y, function key and band key. 10. Remove screw G holding the door SW PCB. 11. Remove six screws H holding the CD unit ass’y. 12. Remove four screws J holding the ESD spacer and tuner unit ass’y. 13.
REASSEMBLY OF TUNING POINTER 1. Turn the varicon unclockwise stop position. 2. Set the tuner gear figuer position and fixed the screw. 3. Fixed the tuner chassis on the tuner PCB. (three screws) 4. Set the pointer to the tuner chassis mark position. 5.
BLOCK DIAGRAMS TUNER To Amplifier Block GND V R ch L ch BAND SW FM-MONO AM Loop Antenna Stereo Antenna AM RF FM RF RF V LPF2 LPF1 Decode Divice BUFF ST/MO Mute FM/AM Level AM Low MIX Out FM IF AM IF QUAD RF In...
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CN402 CN601 CN301 BD UNIT DRAM AD/DA IC302 IC501 IC502 D+5V Power Supply System IC601 Control IC301 IC401 D+3V A+3V Head Coil EEPROM Motor Motor Driver RF-AMP Driver Driver IC402 IC102, Q105, IC101 IC202 IC402 Q106 CN401 CN201 CN401 CN102 OW Head MD MECHA UNIT...
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CN702 CN701 Q701 Laser Power Control IC703 BA6898S IC701 Pick Up Mother Driver CXA2542AQ System Servo Processor TA-O SL-O IC710 BA4510F Q702, Tracking Assist Q703 Circuit IC702 1 53 CXD3009Q DOUT Digital Signal Processor SW701 Door SW DOOR SW TEMP AFMUTE PDOWN LMUTE...
CD PICKUP REPLACEMENT PRECAUTIONS To prevent damage caused by static electricity, the following procedures for grounding is required when opening or repairing the unit. 1. Grounding for the human body Ω) whose other end is grounded. Be sure to put on a wrist-strap for grounding (with impedance lower than 10 The strap works to drain away the static electricity build-up on the human body.
TUNER ADJUSTMENTS Remarks: * When aligning the range and adjusting tracking, proceed with alignment in a sequence of AM t FM. * Use a screwdriver with a plastic grip for all alignments. Equipment Required * AM signal generator (AM SG) * Loop antenna * Output meter * Oscilloscope...
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AM IF Alignment (Figures 1 and 3) Frequency Tuning Alignment Step Adjustment Remarks of signal dial generator setting IF calibratoion 1000 KHz 1000 end Obtain sine-wave and maximum amplitude. Max. AM Alignment (Figures 1 and 3) Frequency Tuning of signal dial Remarks Step...
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FM Alignment (Figures 2 and 3) Frequency Tuning of FM signal dial Remarks Step Alignment Adjustment generator setting Obtain sine-wave and 88 MHz Low End Tuning range maximum amplitude. calibration High End 108 MHz FM-OSC Adjustment of 90 MHz 90 MHz Max.
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TUNER ADJUSTMENT POINTS (TUNER PCB) Top View FM ANT AM ANT RF GND FM RF R9 R10 FM OSC AM OSC AM ANT TUNER PCB 4754-520-2-91 Figure 3...
TROUBLESHOOTINGS Power switch on and set function switch for CD position. Is ” NO DISC” displayed after “READ” displayed ? Load a disc close CD door. Are total track numbers and playing time displayed ? Press CD “ / “ button. Is the audio signal present at output terminals ?
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Repair Item 1: ” NO DISC” is not displayed after “ READ” displayed. * IC708 or IC709 is defective. Is system +3.3 V lines * Check circuit around IC708 and IC709. normal ? * IC707 is defective. Is pin 40 (RESET) * Check circuit around IC707.
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Repair Item 2-A 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 30cm from the pickup. Does the LASER emit ? Dose the lens move up and down ? Load a disc and close CD door.
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Repair Item 2-A1: The laser does not emit. Is emitta of Q701 * Check soldering Q701. 3.3V ? * Check circuit around pin 34 of Is pin 34 of IC701 IC701. more than 2.0V at * Check digital signal pins 18, 19 playing ? and 20 of IC701.
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Repair Item 2-B Watch the waveforn at pin 31 (RFO) of IC801 an oscilloscope. Waveform Waveform Is waveform at * Check circuit around C and pin 35 of pin 35 (RF) of IC702 like that IC702 (RF). shown in figure 10 ? * IC702 is defective.
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Repair Item: 2-C * Check FFC connector (CN701). Is waveform * IC701 is defective. at pin 41 (TEO) of IC701 like that * Check circuit around TEO line. shown in figure 11 ? * Check circuit around and soldering pins 22, 23, 24 and 42 of IC701.
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Repair Item 3: No audio signal (analog) present at output terminals. * Check circuit around and Is pin 62 (SYSM) of IC702 soldering IC702. low ? * IC702 is defective. Does audio signal appear at pins 67 and 74 of IC702 ? * Check amplifier unit.
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Repair Item 4: FR and FF be operated cannot normally. Selected track number cannot be searched. Press FR or FF button. * Check circuit around and soldering Is the waveform at pin 15 of IC701 like that pins 12, 13, 14 and 15 of IC701. shown in figure 14 ? * Check drive unit.
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Repair Item 5: No audio signal (digital) present at output terminals. Does digital signal * Check circuit around and soldering IC702. appear at pin 53 (DOUT) of IC702 * IC702 is defective. like that shown figuer 16 ? * Check control/MD unit. 1 2 3 4 5 1 2 3 4 1 1 1 2...
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1. MD mechanism does not operate. (Does not disc loading) MD mechanism does not operate. * PS unit (set) or connector is defective. Is system 5 V lines normal ? * Check circuit around IC601. Is system 3.3 V lines normal ? * IC601 is defective.
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2. TOC can not be read. TOC can not be read. * Check output level control of pickup or laser. Does the LASER emit ? * Pickup or laser is defective. * Sled motor, drive circuit or limit switch is Does pickup move in the direction of sled motor ? defective.
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3. Does not play. (No audio output) Does not play. * Check circuit around IC101or pickup. Is RF waveform normal ? * IC101 or pickup is defective. Is communication of * Check circuit around IC201or IC202. DSP and DRAM normal ? * IC201 or IC202 is defective.
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4. Does not communicate. (Mecha mi-con does not start.) Does not communicate. * PS unit (set) or connector is defective. Is system 5 V lines normal ? * Check circuit around IC601. Is system 3.3 V lines normal ? * IC601 is defective. * Check RESET circuit (set) or connector.
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5. Can not record. Can not record. * Check pickup or LAZER output control circuit. Is rated output of LASER * Pickup or LAZER output control circuit is normal? defective. * Check magnetism head or drive circuit. Is magnetism head normal? * Magnetism head or drive circuit is defective.
WIRING DIAGRAM SW PCB Telescopic DISPLAY PCB Antenna PS PCB CN950 WC400 Blue Blue TUNER PCB CD PCB T401 CN703 Power Transformer DOOR SW PCB CN709 2 CN701 CN704 CN708 MD Pickup CD MECHANISM MD Record Head CN705 MOTOR PCB CN702 CN707 CD Pickup...
IC LEAD IDENTIFICATION AND INTERNAL DIAGRAMS IC1: TA2111N AM RF FM RF RF V FM OSC AM OSC AFC DET Out MPX In LPF2 LPF1 L-Out R-Out Decode Divide BUFF ST/MO Mute FM/AM Level AM IF FM IF FM RF In RF GND AM Low MIX Out AM IF In...
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IC102: TC74VHCT541AFT IC201: AN8814SB-E1 VO 1+ VO 1- VO 2+ VO 2- VO 3+ VO 3- VO 4+ VO 4- Direction Direction Direction Direction Detect Detect Detect Detect Detect Thermal Protect FIN GND Circuit 3.3V PGND 1 IN 1 PC 1 IN 2 PC 2 IN 3...
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IC202: BA6289F Driver OUT1 Control Logic Driver OUT2 IC300, IC301: BA15218N Out 1 -In 1 +In 1 +In 2 -In 2 Out 2...
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IC301: MN66614RC1 96,97 35 33 59 58 60 64 39 37 99 Serial DINPLL Interface RXDA RSWSA R384 CV384 ATRAC CVDA Digital Digital Signal Data Audio SDAR Processor Interface Interface Converter SDAP SWSA NCAS FS384 External DRAM MDISY NRAS Control RAD4~ SCTSY 74~68...
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IC302: TA8227P B.S. 1 Out 1 Power GND OUt 2 B.S. 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 IC302: KM44V1000DT-6...
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IC502: BA4510F-E2 Out 2 -In2 +In 2 Out 1 -In 1 +In 1 IC601: UPC29M33T-E1 Input 1 2 3 Safe Operating Area Protection Reference Start-up Voltage Circuit Drive Error AMP. Circuit Thermal Output Saturation Shut Down Protection Over Current Protection...
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IC701: CXA2542AQ RFTC RF M RF O RF I CP CB PD1 IV AMP Summing AMP. PD2 IV AMP Laser Power Control FE AMP F IV AMP E IV AMP FO. Bias Window COMP. TGFL Track Gain Level S MIRR Balance Window Window...
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IC702: CXD3009Q 27 28 49 54 56 55 40 Clock Error Generator Corrector Serial-In Interface Interface Demodurator Timing Asymmetry Logic Corrector Over Sampling Digital Filter 3rd-Order Noise Shaper Sub Code Digital Processor Digital Digital Servo Auto Interface Sequencer...
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IC703: BA6898S IN4' IN4 OUT4-A OUT4-B NC OPIN-B OPOUT GND OUT3-B OUT3-A IN3 IN3' Level Shift Level Shift T. S. D. OP-AMP 13.3K 13.3K Regulator Driver Mute 13.3K 13.3K Level Shift Level Shift IN1' IN1 OUT1-A OUT1-B GND OUT2-B OUT2-A IN2' RESET REG-B REGOUT MUTE SUB T.
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IC950: EOC62A3BF1N System Reset RESET 1,536 words x 12 bits Control Core CPU E0C6200B OSC1 Interrupt Generator OSC2 COM0 47 K03 COM1 Input Port 96 words x 4 bits COM2 TEST COM3 37 P00 SEG0 LCD Driver 26 SEG x 4 COM I/O Port SEG25 Power...
PARTS LIST ZD-3 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...
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PARTS PRICE LIST ZD-3 Item Parts Code Parts Name Specification Q Price Code R Remarks ELECTRICAL PARTS FUSE F- 401 94820455 FUSE/2A,250V 0045-024-0-41 IC 001 94820456 IC TA2111N IC 101 94820474 IC AN8771NFH-V IC 102 94820471 IC TC74VHCT541AFT 1 IC 201...
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Item Parts Code Parts Name Specification Q Price Code R Remarks TOP CASE UNIT 94820200 CD OPEN KEY 4754-869-0-01 94820201 KEY A/TOP 4754-874-0-01 94820202 KEY B/TOP 4754-875-0-01 94820203 KEY C/TOP 4754-876-0-01 CASE B UNIT 94820118 ANTENNA/TELESCOPIC 0046-137-0-0013 OUTER PARTS 94820139 FLAT CABLE 9P/FLEXIBLE 4754-551-0-00 94820140 CONNECTOR 11P/WIRE 4754-555-0-00...
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CASIO TECHNO CO.,LTD. Overseas Service Division Nishi-Shinjuku Kimuraya Bldg. 1F 5-25, Nishi-Shinjuku 7-Chome Shinjuku-ku, Tokyo 160-0023, Japan AF1100101A...