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Casio ZD-1 Service Manual

Casio ZD-1 Manual Online:

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Casio ZD-1 User Manual
Casio ZD-1 User Guide
Casio ZD-1 Online Manual

Text of Casio ZD-1 User Guide:

  • Casio ZD-1, 42 IC704: CXP84648-122Q A/D Converter UART Receiver URAT Transmitter UART Baud Rate Generator 12 Bit PWM Generator 0 12 Bit PWM Generator 1 Remocon In Interrupt Controller Serial Interface Unit (Ch0) Buffer RAM FIFO FIFO Serial Interface Unit (Ch1) Serial Interface Unit (Ch2) 8 Bit Timer/Counter 0 8 Bit Timer 1 16 Bit CAPTURE Timer/Counter 2 I 2 C BUS Interface Unit NMI INT0 INT1 INT2 INT3 INT4 Port APort BPort CPort DPort EPort FPort G Port HPort I NMI 2 2 2 8 8 8 8 8 4 2 7 8 8 8 Prescaler/ Time Base Timer 32 KHz Timer/

  • BLOCK DIAGRAMS Tuner 6 FM AF AM AF FM IF AM IF FM RF AM OSC FM OSC PRE VCO Decode SW HYS F.F TUN LED ST LED FM DET AM/FM SW Level DET AM DED AGC AM MIX FM MIX AM RF In FM RF Out V CC 1 FM OSC AM OSC DET Out MPX In LPF1 LPF2 VCO GND V CC R ch L ch FM RF In GND1 FM MIX AM MIX AGC V CC 2 AM IF In FM IF In GND2 QUAD 31 2 4 To Amplifier Block 22 21 20 19 18 17 16 15 14 1324 23 D3 Loop Antenna

  • CD MD TEST 2) Test CD The following Test CDs are available from A*BEX or parts center of Casio. 3) Check of MD Mechanical Unit * MD Mechanical Unit cannot be adjusted in the field. Only the MD factory can adjust by using special equipment. a. Playback Test * Any regular music MD can be used. However the music MD should be supplied by Authorized Music Company, and the surfac

  • Casio ZD-1, 1.10V Figure 19 3-A1 Does <3 V appear at pin 33 (LD) of IC701 ? * Check IC701. * Check circuit around Q701. * Check CN701. * Check Q701. * Check pickup. No Yes A1 20 3-A2 Dose +9 V appear at pins 19 of IC703 ? * Check circuit around IC703. Is waveform at pin 16 of IC703 like that shown in Fig. 19 ? * Check CN701. * Check pickup. Is waveforn at pin 6 (FEO) of IC701 like that shown in Fig.20 ? No No No Yes Yes Yes A2 * Check circuit around IC701. * Check IC703. * Check circuit around and soldering IC703. * Check IC701 and IC702. 750mV Figure 20

  • Casio ZD-1, 45 IC951: SM8140AM-ET IC950: REC SPS-444-1 17 14 8 14 13 1112 10 89 1 32 4 65 7 V CC 4B 4A 4Y 3B 3A 3Y GND1A 1B 1Y 2A 2B 2Y IC709: TC74VHCT08AFT 17 14 8 Enable Circuit Charging Pump Circuit Level Shifter Deviding Circuit Oscillator for boosting voltage Level Shifter Deviding Circuit Oscillator for EL High Voltage Switching Circuit 5 4 7 63 8 10 11 12 9 2 1 14 13 V DD LDR CHV OUT1 OUT2 ENA CPO CP1 CP2 V SS 1 OCL1 OCL2 OCE1 OCE2 1 2 3 4 5 ABLC BPF + TRAP AMP Limiter Detector Waveform Shaper RL V CC V OUT GND 2 3 1 (GND) 4 (GND)

  • Casio ZD-1, 1. “CD OPEN” is not displayed. 16 1 Is +5 V lines pin 72 of IC704 normal ? No Yes * Check IC705. * Check circuit around IC705. Is the waveform at pin 30 of IC704 like that shown in Fig. 12 ? No Yes * Check Q713. * Check circuit around IC706. Does 16 MHz clock pulse appear at pin 31of IC704 ? No Yes * Check X703. * Check circuit around X703. * Check IC704. * Check circuit around IC704. * Check soldering CN705 and FFC. Figure 12 5 V Power on 100 mS

  • Tuner Notes: 1. All resistance values are in ohms (k=1000 ohms, M=1000 kohms). 2. All capacitonce values are in uF (P=10 uF). 3. All resistors are 1/4 watt, unless otherwise specified. -6 46 SCHEMATIC DIAGRAMS 4 3 2 1 CN3 100/16V IC3 C8 C1 22PF L5 FM-RF R1 27 L4 FM-OSC C3 100K R2 C6 C7 D6 0.022(X) C26 ANT1 ROD ANT C10 33PF(SL) C11 FM-IFT L7 AM-IFT 33/1

  • Casio ZD-1, DISASSEMBLY INSTRUCTIONS Figure 2 2 CD Door Top Panel Kit CaseKit 3. Open the CD door, remove four screws B holding the case kit. 1. Remove the battery cover and batteries. 2. Remove ten screws A holding case B unit. Figure 1 Case B Unit Battery Cover

  • Casio ZD-1, CD TROUBLESHOOTING 15 Open CD door and set function switch for CD position. Is “CD OPEN” display on LCD ? 1 3 Is the audio signal present at the output terminals ? 4 Press SEARCH key. Can a selected track number be searched smoothly ? 5 OK No Yes No No Yes Yes Yes Load a disc close CD door. No Press PLAY/PAUSE key. Are total track number displayed? 2 Yes No Is “CD CLOSE” display on LCD ? L ch: CN709-9 pin R ch: CN709-7 pin

  • Casio ZD-1, N Item Part Code Part Name Specification Q'ty R Remark 11 1915 7202 KNOB/POWER 4750-868-0-01 1 X ZD-1 common 12 1915 7203 LEVER/LOCK 4750-872-0-00 1 X ZD-1 common 13 1915 7204 GUIDE/KNOB 4750-873-0-00 1 X ZD-1 common N 14 1915 7779 DOOR/CD 4750-809-0-05 1 X ZD-1 common 15 1915 7209 WINDOW/DOOR 4750-821-0-01 1 X ZD-1 common 16 1915 7210 KNOB/CD OPEN 4750-869-0-01 1 X ZD-1 common 17 1915 7211 SPRING/DOOR 4750-400-0-00 1 X ZD-1 common 18 1915 7225 CO

  • CD 8 PS Unit AC9V VCC9V GND Q711 Remote Power Control Amp Unit Display Unit MD Unit IC705 +5V Power Driver +5V IC709 MD Bus Level Shifter IC705 System Reset Circuit Q709,710 Low Battey Detect Circuit Q707,903 +9V Power Driver SW701 Function SW Q708 Power Control Driver +9V +5V +9V +9V +9V Q704,705 CD +9V Power Driver +9V IC708 CD +5V Power Driver +5V IC704 Micro Processor X70

  • TEMP 2 1 TH501 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 CN501 16P(FFC) SYS_+3.3V SYSTEM-RST POWER-DOWN VBAT AMUTE DETECTOR IC505 BA10358 TO CD PCB MD_MUTE P_DOWN TEMPDET RTS. TXD. RXD. CTS. SYSTEM_RST 1 2 3 4 5 6 7 8 9 10 11 CN504 GND_UCOM POWER D502 D501 1SS133 INVERT Q501 DA-RST RXD TXD RTS CTS EMPHASIS TO BD BOAD (CN103) TO MD BOAD (CN102) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 CN502

  • Casio ZD-1, 37 IC503: PCM3003E-T1 4 6 21 19 3 5 20 91413212324 22 8 12 11 15 66 18 17 7 10 (+) (-) (+) (-) Analog Front-end Circuit Reference Analog Front-end Circuit Analog Low-pass Filter Analog Low-pass Filter Power Supply Multi-level Delta-sigma Modulator Multi-level Delta-sigma Modulator Delta-sigma Modulator Delta-sigma Modulator Decimation & Low Cut Filter ADC Decimation & Low Cut Filter Interpolation Filter X8 Oversampling Interpolation Filter X8 Oversampling DAC Clock Reset and Power Down Mode Control Interface Serial Interface VINL VREF1 VCOM VREF2 VINR VOUTL VOUTR LRCIN BCKIN DIN DOUT 20BIT DEM0 DEM1 /PDAD /PDDA AGND2 V CC 2 AGND1

  • Casio ZD-1, 13 0V 250 mV p-p Focus Servo Gain Adjustment (Figures 9 and 11) Step Connect Setting Adjust Result VR704Play the regular disc. See Figure 9 1 Oscilloscope CD PCB TP750 GND TP710 Figure 9 GND TP751 TP710 0V 100 mV p-p Tracking Servo Adjustment (Figures 10 and 11) Step Connect Setting Adjust Result Oscilloscope CD PCB VR703Play the regular disc.See Figure 10 1 Figure 10 3 2 Swap the regular disc for the test disc A*BEX TCD-726 and play it at the black dod of 600 µm. Confirm that there is no skipping. If there is any

  • Casio ZD-1, R341 4.7k 1 2 3 4 5 6 7 CN401 FROM JACK R340 100k R339 180k R239 180k Q308 2SD1302 OUTRCH OUTGND OUTGND OUTLCH AGND LMRCH Q208 2SD1302 R240 100k R351 150k R251 150k 1 2 3 4 CN400 FROM TUNER LMLCH TLCH TRCH R241 4.7k R201 560k R203 2.2k C203 4.7 50V R204 5.6k R205 2.2k R414 10k Q410 2SA1015 C204 100p C205 1800p R208 27k R209 18k C207 0.1 R249 10k C209 4.7 50V Q201 2SC1815 R214 2.2k C206 6800p R212 560k C211 4.7 50V R215 39k R216 39k R217 180k C213 6800p R222 2.2k R219 330k C215 1 50V C212 0.1 50V R223 2.2k R247 8.2k C230 1500p R248 330k R406 100 C216 4.7 50V C217 4.7 50V C460 47 10V D460 1

  • Casio ZD-1, SPECIFICATIONS MD SECTION System: MiniDisc digital audio system Laser: Semiconductor laser Error correction: Advanced cross interleave read Solomon code (ACIRC) Channel: 2 channels Frequency response: 20 to 20,000Hz +/-3dB Wow and flutter: Less than measurement limit Recording system: Magnetic field modulation overwrite method Coding: Adaptive Transform Acoustic Coding (ATRAC) CD SECTION System: Compact disc digital audio system Laser: Semiconductor laser Channel: 2 channels Frequency response: 20 to 20,00

  • Casio ZD-1, MD OUT(R) L522 10uH R521 47k L507 JP SYS +3.3V LEDO 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 CN501 16P(FFC) TO MD BOAD (CN103) C514 TP41 TP42 L509 JP VCC1 1 VCC1 2 VINR 3 VREF1 4 VREF2 5 VINL 6 1PDAD 7 1PDDA 8 SYSCK 9 LRCIN 10 BCKIN 11 DOUT 12 DGND 13 VDD 14 DIN 15 ZOBIT 16 DEM1 17 DEM0 18 VOUTL 19 VOUTR 20 VCOM 21 AGND2 22 AGND1 23 VCC2 24 IC503 PCM3003 L506 JP C519 10u FB557 0 C527 4.7u C529 4.7u C528 0.1 C530 JP581 FBA04HA900 FB556 0 FB555 HS601 R523 D504 1SS133 C505 Q502 DTA114E D503 1SS133 C548 Q

  • Casio ZD-1, ASYI ASYO ASYE BIAS XPCK FILO FILI PCO 61 41 43 45 4 44 42 40 39 52 50 56 55 54 62 60 49 47 46 19 57 58 34 36 37 38 35 48 27 28 29 32 21 11 12 13 14 15 5 7 8 9 16 20 79 80 1 2 22 3 23 24 25 53 59 75 76 68 67 71 72 63 64 Digital Filter + 1 bit DAC Digital CLV Digital Out D/A Interface Error Corrector 16K RAM EFM Demodulator SUB Code Processor CPU Interface Servo Auto Sequencer Digital PLL Asymmetry Corrector Clock Generator EMPHI LRCKI PCMDI BCKI MUTE BCK PCMD LRCK WDCK C2PO RFCK MNTO MNT1 MNT3 WFCK EMPH GFS XUGF GTOP NLPWM LP

  • Casio ZD-1, 4. Pull out the function knob and tuning knob. 5. Remove four screws C holding the tuner unit. 6. Remove four screws D holding the AMP unit. 7. Remove nine screws E holding the CD unit. 8. Remove three screws F holding the CD mechanism set. 9. Pull out the jog knob. 10. Remove six screws G holding the MD assembly. 11. Remove seven screws H holding the display unit. 12. Remove screw I holding the LED PCB. 3 Function Knob Tuning Knob CD Unit Tuner Unit CD Mechanism Set AMP Unit Top Case Assembly Figure 3 MD Assembly Case Assembly Jog Knob LED PCB I Model-C only Figure 4

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