Casio ZD-3 Service Manual Download Page 44 | Manualshive

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IC102: TC74VHCT541AFT

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IC201: AN8814SB-E1

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Summary of Contents for ZD-3

Page 1: ... without price ZD 3 MD CD SYSTEM SEP 2000 INDEX ...

Page 2: ...W PCB Top View 30 AMP Jack PCB Top View 31 VR PCB Top View 32 PS SW A SW B PCB Top View 33 CD Door PCB Top Bottom Views 34 Display PCB Top Bottom Views 36 BD PCB Top Bottom Views 37 Wiring Diagram 39 IC Lead Identification and Internal Diagrams 40 Schematic Diagrams 57 Tuner 57 AMP 58 CD 59 MD 61 VR LCD 63 Exploded Views 64 Unit Assembly 64 Case Unit 67 Top Case Unit 68 MD Mechanism Unit 69 CD Mec...

Page 3: ...o 20 000 Hz 3dB Wow and flutter Less than measurement limit TUNER SECTION Tuning range FM 88 to 108 MHz AM 530 to 1 600 kHz Antenna FM Telescopic antenna AM Loop antenna supplied GENERAL SECTION Dimensions 354 W x 155 H x 253 D Weight 3 7 kg without batteries Power source AC 230V 50 Hz DC 12V 8 x D size LR20 Power consumption 22W Output power 2 0 W 2 0 W Accessories AC power cord AM loop antenna I...

Page 4: ...INSTRUCTIONS 1 Remove the battery cover 2 Remove eight screws A holding the case B unit 3 Open the CD door and remove three screws B holding the case ass y 2 Case B ass y CD door Top case ass y Case ass y A A A B B ...

Page 5: ...y 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 PCB support Case ass y Pinch the under PCB supports 7 Remove four screws E holding the front panel ass y 8 Remove eight screws F holding the SP panel ass y Case ass y SP panel ass y Front panel ass y ...

Page 6: ...ing the ESD spacer and tuner unit ass y 13 Remove five screws K holding the VR unit ass y 14 Remove two screws L holding the CD mechanism stopper 15 Remove for screws M holding the CD mechanism ass y 4 Volume key ass y Function key Band key Volume key ass y Door SW PCB VR unit ass y Tuner unit ass y CD mechanism ass y CD mechanism stopper CD mechanism stopper ESD spacer CD unit ass y Top case ass ...

Page 7: ...ition 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 Fixed the tuner shaft screw A Tuner shft Tuner gear Mark Pointer Tuner chassis Tuner PCB Screw A 5 Varicon ...

Page 8: ... Out AGC VCC AM IF In FM IF In GND QUAD To Amplifier Block 19 18 17 16 15 14 13 24 Bar Antenna L1 L4 L3 SW1 BAND SW AM FM Stereo FM MONO FM Antenna CF1 CF2 FM Signal AM Signal L6 1 3 4 5 7 6 8 9 10 11 12 AM MIX FM RF 23 21 22 FM OSC 20 AM OSC FM MIX 2 AGC AM DET FM Mute AF BUFF AM IF FM IF FM DET AF VCO Divice ST MO FM AM CF3 TUN LED ST LED 3 1 2 4 CN3 AM Loop Antenna ...

Page 9: ...04 MD Power Supply Circuit IC303 CN307 Power Amplifier Circuit IC302 Mute Circuit Q104 Q204 BBS Circuit IC301 CN303 Record Amplifier IC300 DC 7V CN301 CN303 MD Play L ch MD Play R ch CD Play L ch CD Play R ch Tuner In L ch Tuner In R ch MD Record L ch MD Record R ch MD 5V DC Rotary Volume CN304 Surround Circuit Q301 Q302 AMP 7 ...

Page 10: ... 5V M 5V D 5V D 3V A 3V Power Supply IC601 DRAM IC302 AD DA IC501 LPF IC502 DSP IC301 System Control IC401 RF AMP IC101 EEPROM IC402 OPT PU M 5V Motor Driver IC202 M Loading FO TR CN401 CN201 M M Spindle Sled CN401 PROTECT REFRECT CHACK IN REC P PB P LIMIT IN M 5V H 5V Head Coil Driver IC102 Q105 Q106 Motor Driver IC402 CN102 MD MECHA UNIT OW Head MD 8 ...

Page 11: ...S2 5 12 15 41 31 18 19 20 22 23 25 21 24 13 GFS RF IC702 CXD3009Q Digital Signal Processor SPOA MDP DOUT LOUT1 ROUT2 SCOR SQCK SQSO DATA XLAT CLOK SENS XRST FOK 15 21 CN704 1 53 49 35 67 74 CN703 4 2 6 1 7 5 SW701 Door SW 49 64 47 45 27 26 25 24 28 29 23 SCOR SQCK SQSO DATA XLT CLK SENS1 XRST FOK SENS2 DOOR SW AFMUTE LMUTE SURROUND BBS RST PSDET1 PWR KEY KEY3 PS CONT F TUNER FMD FCD TEMP DET PDOWN...

Page 12: ...SW974 SW980 SW984 SW990 SW994 GND KEYIN KEYIN KEYIN VCC9V Stand by LED LD950 From CD Unit From AMP Unit VCC9V DC9V GND TU9V MD9V WC307 WC304 Rotary Volume With Loundness VR350 Control Switch Circuit SW350 SW352 Lipple Filter Circuit Q350 Q351 Q352 Function Switch S353 WC350 From CD Unit VCC9V GND Power Key Key IN3 PS CONT DC9V GND CD9V F TU 3 3V F MD F CD CN400 From PS Unit VCC9V GND VR DISPLAY PS...

Page 13: ...n the table a conductive sheet with impedance lower than 106 Ω such as a sheet of copper which is grounded 3 As static electricity build up on clothes is not drainded away be careful not to let your clothes touch the unit 4 The short pad on the pick up PCB of a spare part is short circuited for protection during shipment To open the short circuit remove the soldering quickly with a soldering iron ...

Page 14: ...g 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 FM signal generator FM SG Screw driver Plastic type Dummy load 32 Ω ...

Page 15: ... Max 13 Adjustment of tracking 530 KHz Low End L2 Obtain sine wave and maximum amplitude 1 1600 KHz High End AM OSC 2 3 Repeat the above adjustments Step Alignment Frequency of signal generator Tuning dial setting Adjustment Remarks Tuning range calibration 600 KHz 600 KHz L1 1 2 1400 KHz 1400 KHz AM ANT Max Output meter AM SG Loop antenna Set Osilloscope Dummy load 32 Ω 60 cm J301 Headphone jack ...

Page 16: ... Ω FM ANT GND R1 R2 Adjustment of tracking 88 MHz Low End L3 Obtain sine wave and maximum amplitude 1 108 MHz High End FM OSC 2 3 Repeat the above adjustments Step Alignment Frequency of FM signal generator Tuning dial setting Adjustment Remarks Tuning range calibration 90 MHz 90 MHz L4 1 2 106 MHz 106 MHz FM RF Max 4754 022 0 14 J301 Headphone jack ...

Page 17: ...3 D4 CN1 CN2 D2 D1 C10 L5 C8 C11 L1 L4 R1 C4 C2 R8 L3 C14 R6 C3 D5 R2 C7 VC1 L2 R13 C18 C20 D8 C19 TUNER PCB 4754 520 2 91 CN3 R11 CN4 C16 C33 C32 R17 C24 R18 C13 R7 C25 C15 C17 C22 C26 R9 R10 C23 1 12 13 24 TUNER ADJUSTMENT POINTS TUNER PCB 15 Top View Figure 3 FM RF FM OSC AM ANT AM OSC RF GND FM ANT AM ANT GND ...

Page 18: ...track numbers and playing time displayed Can FR and FF be operated normally Can track number be searched smoothly 4 No Yes Power switch on and set function switch for CD position Press FR or FF button Turn jog knob to left or right Does the audio signal digital present at output terminals Record on MD from CD Load a disc close CD door Press CD button 16 CD ...

Page 19: ...e Check circuit around X702 and IC704 Check IC704 Check circuit around IC704 Repair Item 1 NO DISC is not displayed after READ displayed A B Less than 8 sec More than 8 sec 2 Check how long it takes until NO DISC is displayed after CD door has closed Repair Item 2 Total track number and playing time are not displayed 1 Note That shows the time it takes until NO DISC is displayed from when CD tray ...

Page 20: ... IC701 is defective Is the waveform at pin 31 RFO of IC701 like that shown in figure 4 Check FFC connector CN701 from pickup Check soldering IC701 IC702 and IC703 IC701 is defective Pickup is defective Is the waveform at pin 48 FEO of IC701 like that shown in figure 6 Check soldering pins 25 26 and 27 of IC701 IC701 is defective Check circuit around IC801 No No No No No Yes Yes Yes Yes Yes Figure ...

Page 21: ...p and down Is waveform at pins 13 and 16 of CN701 like that shown in figuer 8 Check FFC connector from pickup Pickup is defective Is waveforn at pin 5 FEO of IC701 like that shown in figuer 9 No No Yes Yes Check circuit around IC701 IC701 is defective Check circuit around and soldering pin 16 of IC701 IC701 is defective IC702 is defective Figure 21 Is emitta of Q701 3 3V Check soldering Q701 No Ye...

Page 22: ...circuit around C and pin 35 of IC702 RF IC702 is defective Check pins 29 30 and 31 of IC702 Check pins 17 and 49 of IC702 IC702 is defective No No Yes Yes Figure 10 Waveform Does 16 93 MHz appear at pin 70 XTAL of IC702 Yes Check crystal and circuit around it IC702 is defective Check circuit around and soldering IC702 IC702 is defective 0 9 Vp p 1 1 Vp p No Waveform B C 20 ...

Page 23: ...veform at pins 27 and 28 of IC703 like that shown in figure 13 Check FFC connector CN701 IC701 is defective Check circuit around TEO line Check circuit around and soldering pins 22 23 24 and 42 of IC701 IC701 is defective Check circuit around IC703 Check FFC connector CN701 Pickup is defective No No No Yes Yes Yes Figure 11 Figure 12 Figure 13 C 21 ...

Page 24: ...02 Yes Is pin 44 BCKI of IC702 4 32 MHz No Yes Repair Item 3 No audio signal analog present at output terminals No Is pin 40 LRCKI of IC702 88 2 kHz No Yes Does digital signal appear at pin 42 PCMDI of IC702 No Yes Check amplifier unit Check circuit around and soldering IC702 IC702 is defective Check circuit around IC702 IC702 is defective 3 22 ...

Page 25: ...2 is defective Is the waveform at pin 12 of IC701 like that shown in figure 15 No Yes Check circuit around and soldering pins 29 30 31 37 and 38 of IC702 Is pin 49 GFS of IC702 low Repair Item 4 FR and FF be operated cannot normally Selected track number cannot be searched VC VC or VC VC or Figure 15 Figure 14 4 23 Press FR or FF button Press FR or FF button Press FR or FF button ...

Page 26: ...d soldering IC702 IC702 is defective No Yes Does digital signal appear at pin 53 DOUT of IC702 like that shown figuer 16 Check control MD unit Figure 16 5 24 12345 12345 12345 12345 12345 12345 12345 12345 12345 12345 12345 1234 1234 1234 1234 1234 1234 1234 1234 1234 1234 1234 0V 3 3V 1112 ...

Page 27: ...chanism mi con operate Check circuit around MD mechanism mi con MD mechanism mi con is defective No Is each switch normal SW PCB or connector is defective No Yes Yes Yes Is roading motor circuit normal Check circuit around IC202 IC202 is defective No Yes Is roading motor normal Loading motor is defective No Yes MD mechanism is defective 1 MD mechanism does not operate Does not disc loading 25 ...

Page 28: ...rive circuit or limit switch is defective No No Is RF waveform normal No Yes Yes Yes Is TE and FE signals present at the output terminals Check circuit around IC101 IC101 is defective No Yes Circuit around mechamicon is defective 26 Is pickup lens dirty Clean pickup lens Check circuit around IC101 IC101 is defective No Yes Does spindle motor rorate Check circuit around pickup Spindle motor is defe...

Page 29: ...nal mute circuit of IC401 IC401 is defective No Yes Is output waveform normal No Yes Side of MD mechanism set is defective 3 Does not play No audio output 27 Check circuit around IC101or pickup IC101 or pickup is defective Check circuit around IC201 IC201 is defective Is DAC signal present at output terminals Check circuit around IC501or IC401 IC501 or IC401 is defective Check circuit around IC502...

Page 30: ...mmunication port No Yes Mecha mi con is defective 4 Does not communicate Mecha mi con does not start 28 PS unit set or connector is defective Check RESET circuit set or connector RESET circuit set orconnector is defective Can P DOWN signal be gotton Check communication line Communication line is defective Is RESET signal normal Check P DOWN set or connector P DOWN set or connector is defective Is ...

Page 31: ...it Magnetism head or drive circuit is defective No No Yes Yes Mechanism is defective 5 Can not record 29 Check pickup or LAZER output control circuit Pickup or LAZER output control circuit is defective Check IC301or IC401 IC301or IC401 is defective Is magnetism head normal Is U TOC writtten ...

Page 32: ...C20 C6 C7 BF1 C21 R5 CF4 CF1 R12 C12 C27 D3 D4 CN1 CN2 D2 D1 C10 L5 C8 C11 L1 L4 R1 C4 C2 R8 L3 C14 R6 C3 D5 R2 C7 VC1 L2 R13 C18 C20 D8 C19 TUNER PCB 4754 520 2 91 CN3 R11 CN4 C16 C33 C32 R17 C24 R18 C13 R7 C25 C15 C17 C22 C26 R9 R10 C23 1 12 13 24 CN5 SW1 4754 520 2 92 SW PCB SWITCH PCB TOP 30 ...

Page 33: ... R125 R124 Q201 Q101 C201 C101 C200 C100 C305 C303 C306 C341 C307 C329 C215 C115 C119 C120 C112 R305 R303 R325 R324 Q302 Q331 Q103 Q104 Q203 Q204 C206 C211 C212 R226 R228 R307 R317 C217 C111 C304 C106 CN301 D200 C104 C105 C204 C318 C312 D303 R322 D304 C336 R102 C314 C313 FB305 FB306 IC301 D302 R310 IC302 C324 C220 C219 D201 R132 R223 R123 R232 CN305 R329 C222 C122 D101 CN303 CN302 C317 C205 C300 R...

Page 34: ... R350 C352 SW352 SLEEP C351 SW351 SOUND C350 SW350 POWER R351 D350 WC304 C359 C360 R358 C357 C358 R357 WC350 VR350 S353 R355 WC307 R352 R353 Q352 Q351 Q350 C356 C355 L351 L350 CN400 C354 MC 4754 VR PCB 4754 510 0 91 ...

Page 35: ... 1 0A 125V F401 F402 SK401 SW401 J401 C404 C403 C402 C401 D405 D404 D403 D402 C406 WC400 LF401 MC4754 PS PCB 4754 511 0 91 9 1 CN411 S103 S104 SW PCB A 4799 510 0 91 7 1 CN211 S101 2 1 3 SW PCB B 4799 510 0 92 SW A PCB TOP SW B PCB TOP ...

Page 36: ...708 2 1 CN702 1 6 C840 C842 C773 C838 C771 C830 C828 C839 D709 D710 Q708 D708 L706 IC709 IC708 IC703 CN701 1 16 CN705 1 2 9 8 CN704 L716 L706 C827 L705 D707 C850 C832 C849 C814 X702 D780 C881 C781 C884 L719 D880 C704 1 8 CN703 C845 LAY DOWN MC4754 CD PCB 4754 526 0 91 L718 13 1 CN706 L715 L714 L717 C834 C823 L707 R924 R925 R926 C824 L704 L703 L707 SW701 CN709 1 2 DOOR SW PCB 4754 526 0 92 ...

Page 37: ...848 R846 R849 R850 R851 R852 TP841 TP842 TP843 TP844 TP855 TP856 TP863 TP857 C809 C810 R867 R872 TP859 TP861 R777 R774 R773 R908 R871 TP856 R883 C885 C815 R873 R855 C805 C804 C803 C802 R854 R853 TP747 TP746 TP744 TP745 TP780 TP880 R884 R784 R801 R841 C764 TP749 R840 C847 C774 JP904 R783 R787 R887 Q780 Q880 C782 C882 R785R885 C783 C883 R786 R886 C854 R778 C855 R747 TP755 TP754 R749 R751 R748 R782 R...

Page 38: ...5 6 23 24 29 30 35 36 54 55 60 R982 C956 C955 C954 R994 Q951 R960 C991 C990 C992 C993 R991 D954 R969 R962 D951 LCD950 CN950 SW991 PLAY PAUSE SW990 STOP SW992 REC SW993 MEMORY LD950 SW994 PLAY SW980 MBSR MODE SW981 DISPLAY SW982 EDIT SW983 DELETE SW984 MD EJECT SW973 B SKIP SW970 FR SW972 ENTER SW974 FF SW971 F SKIP R955 R954 R953 R952 MC 4754 DISPLAY PCB 4754 515 0 91 DISPLAY PCB TOP DISPLAY PCB B...

Page 39: ...303 R304 C303 R305 C302 C301 C305 R308 R310 C307 RJ101 C316 C315 C326 Q103 Q102 C352 C328 C327 C304 R328 R307 R309 C306 D301 R314 C308 C126 C125 C206 C340 R312 C309 R303 RJ102 R329 R320 R319 R318 R105 R123 R124 RT101 R315 R322 R317 C311 C136 C106 R115 R109 C137 C135 C101 C104 C103 C102 C310 R107 R106 R125 R104 C105 C312 C138 C128 C123 C108 C109 R321 R126 R127 R121 R122 R120 R103 C314 R331 C107 R12...

Page 40: ...C556 C516 D501 D502 R425 R513 R512 C506C514 R511 R510 C509 C332 C331 C338 C337 RJ103 C342 C165 C166 R406 R330 R114 C117 C118 C119 C124 C120 C122 C121 R119 R116 R113 R112 R111 R110 R108 C151 R526 R528 R527 R525 R405 C167 C330 C335 R208 R207 R163 R162 FB302 FB301 FB161 FB162 IC401 CR401 1 1 R301 R306 R311 R302 IC301 R204 R206 R203 C204 R205 C205 C203 C202 Q202 R202 R201 Q201 C254 C201 IC201 1 C111 R...

Page 41: ...C305 WC306 JACK A PCB Speaker L ch Speaker R ch 4 1 AMP PCB 1 1 1 1 5 CN307 CN302 CN303 CN301 CN411 4 11 8 White Red Shield Red White Shield 1 12 CN707 1 8 CN703 A B MD Record Head 2 1 MD Pickup 1 21 Disc Motor Sled Motor Red Black MD MECHANISM SW B PCB 7 1 CN211 CN201 7 1 DISPLAY PCB CN950 13 1 13 1 CN706 2 9 CD PCB 3 CN4 CN3 1 1 3 1 SW PCB TUNER PCB CN5 C99 C21 4 CN304 CN305 1 6 SW A PCB BD PCB ...

Page 42: ...M RF In RF GND AGC VCC AM IF In FM IF In GND TUN LED ST LED QUAD FM OSC AM MIX FM RF 22 21 AM DET 4 FM MIX AM IF FM IF 8 9 TUN LED ST LED ST MO FM AM Level DET FM DET AGC FM Mute AF BUFF 18 VCO Divide Decode 15 14 13 16 AM RF In FM RF Out RF VCC FM OSC AM OSC AFC DET Out MPX In LPF2 LPF1 L Out R Out AM Low Cut MIX Out ...

Page 43: ... 46 43 42 41 40 39 38 37 IV 18Pin ASOFSET VCA BPF VCA IV IV FBAL FOFSET VCA VCA IV IV Mirror Circuit IV IV IV IV EQ 45 44 AGC DSL 3TENV 21Pin 20Pin Mode Control 36 35 34 33 NRFDET OFTAMP 32 31 30 29 28 26 25 27 RFBDO OFTR 23 24 ASBDO 22 21 19 18 20 17 TBAL TOFSET 1 2 3 9 4 5 6 7 8 10 12 14 11 TRCRS 13 15 16 41 ...

Page 44: ...N8814SB E1 1 1 4 15 28 7 8 22 21 18 17 16 15 14 13 12 11 1 2 PVCC 20 21 1 2 PVCC 9 8 VCC Detect Thermal Protect Circuit 7 6 4 5 3 3V REG 1 2 22 24 25 26 Direction Detect Direction Detect 27 28 Direction Detect Direction Detect FIN GND VREF VCC 23 19 PGND 1 IN 1 PC 1 10 IN 2 PC 2 IN 3 IN 4 PGND 2 PVCC 1 VO 1 VO 1 VO 2 VO 2 VO 3 VO 3 VO 4 VO 4 PVCC 2 42 ...

Page 45: ...IC202 BA6289F 1 4 8 5 5 4 3 6 2 1 7 8 RIN FIN VCC VREF VM OUT1 OUT2 GND Control Logic Driver Driver IC300 IC301 BA15218N 1 2 1 2 3 4 5 6 7 8 Out 1 In 1 In 1 GND In 2 In 2 Out 2 VCC 1 8 43 ...

Page 46: ...FMPLL 65 110 115 57 116 117 118 32 34 42 41 36 TS0 TS1 TS2 TS3 TS4 Chip Control Data Interface 87 86 85 74 68 80 77 External DRAM Control 126 108 107 ATRAC Digital Signal Processor TRNPLLF MDAIREF SYSPLLF SSCK SELAD SSDW SSDR CFSYNC DIBUFO DIBUFI DIVCOI DIPCO DIULK RX1 RX2 TX RXDA RCL RSWSA R384 CV384 CVDA SDAR SDAP SWSA SWS SCL FS384 MDISY SCTSY HFRP VRB VRT GTK GFC 3TMON AVSS1 TE FE AS XO XI NWE...

Page 47: ...h 1 Ch 2 1 6 12 7 IC302 KM44V1000DT 6 Refresh Timer Refresh Control Refresh Counter Row Address Buffer Col Address Buffer Data in Buffer Data out Buffer Control Clocks 4 17 3 VBB Generator 10 20 VCC 8 9 11 12 13 14 15 5 6 7 2 18 19 1 DQ0 DQ1 DQ2 DQ3 16 OE A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 RAS CAS W Row Decoder Sense Amps I O Column Decoder Memory Array 1 048 576 x 4 Cells 1 5 6 10 VSS 20 16 15 11 45 ...

Page 48: ...Vo Vadj GND Vin 1 2 3 4 1 2 4 3 IC IC303 IC708 IC709 PQ15RW11 46 ...

Page 49: ...53 A16 P54 A17 57 58 59 60 61 62 63 64 P60 A0 P61 A1 P62 A2 P63 A3 P64 A4 P65 A5 P66 A6 P67 A7 Port 6 Port 7 Port 8 65 66 67 68 69 70 71 72 P70 A8 P71 A9 P72 A10 P73 A11 P74 A12 P75 A13 P76 A14 P77 A15 80 79 78 77 76 75 74 73 P80 LED0 D0 P81 LED1 D1 P82 LED2 D2 P83 LED3 D3 P84 LED4 D4 P85 LED5 D5 P86 LED6 D6 P87 LED7 D7 45 44 47 46 49 48 51 50 1 10 KEY0 P40 KEY1 P41 KEY2 P42 KEY3 P43 KEY4 P44 KEY5...

Page 50: ...ion Register Dummy Bit Add Buffers Data Register R W AMPS Add Decorder Write Disable High Voltage Generator 1024Bit EEPROM Array Detect Supply Voltage Instruction Decode Control and Clock Generation 3 4 5 6 16Bit 16Bit CS SK D I DO 2 7 VCC GND 48 ...

Page 51: ...lator 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 VCC 2 AGND1 VCC 1 VCC 1...

Page 52: ...1 In 1 VEE 2 1 1 4 8 5 1 2 3 4 5 6 7 8 IC601 UPC29M33T E1 1 2 3 4 Start up Circuit Reference Voltage Thermal Shut Down Error AMP Drive Circuit Saturation Protection Over Current Protection Safe Operating Area Protection 1 3 2 4 Input Output GND 50 ...

Page 53: ...T2 CC1 IIL Data Register Input Shift Register Address Decoder Sens Selector Output Decoder DFCTO IFB1 6 BAL1 4 TOG1 4 FS1 4 TG1 2 TM1 7 PS1 4 VEE VEE TM5 TM2 TM6 TM4 TM3 TM7 TG2 Vcc VEE FS1 FS2 Vcc Vcc Vcc Vcc Vcc VEE VEE VEE VEE VEE RF Summing AMP FE AMP PD1 IV AMP PD2 IV AMP F IV AMP E IV AMP TGFL Track Gain E F Balance Window COMP ATSC Window COMP TZC COMP FZC COMP DFCT TM1 TG1 FS4 DFCT FEO FZC...

Page 54: ...ENS DATA XLAT CLOK SPOA SPOB XLON SCOR SBSO EXCK SQSO SQCK MDP PWMI DOUT LOUT2 AIN2 AOUT2 LOUT1 CNIN SEIN FOK CLTV PCO FILI FILO XPCK BIAS ASYO ASYI RF C4M Error Corrector 16K RAM Servo Auto Sequencer CPU Interface Digital CLV Digital Out Over Sampling Digital Filter 3rd Order Noise Shaper Timing Logic Serial In Interface D A Interface EFM Demodurator OSC Clock Generator Asymmetry Corrector Digita...

Page 55: ...Mute Regulator Bias T S D Monitor Regulator 50K 50K 10K 10K 100 10K 10K 13 3K 13 3K 13 3K 13 3K D BUF D BUF D BUF D BUF D BUF D BUF D BUF D BUF OP AMP T S D SUB VCC IN4 IN4 OUT4 A OUT4 B NC OPIN B OPOUT GND OUT3 B OUT3 A IN3 IN3 GND NC NC VCC VREF IN IN1 IN1 OUT1 A OUT1 B GND OUT2 B OUT2 A IN2 RESET REG B REGOUT MUTE SUB T S D Thermal shut down D BUF Drive buffer 10K BIAS 53 ...

Page 56: ...3 PG6 INT4 PG7 CINT AN0 AN1 AN2 AN3 PF0 AN4 PF1 AN5 PF2 AN6 PF3 AN7 AV DD AC REF AV SS PE4 AN8 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 FIFO Serial Interface Unit CH2 NMI INT0 INT1 INT2 INT3 INT4 2 2 2 12 2 6 8 Prescaler Time Base Timer 32 KHz Timer Counter SPC700 α α α α α II CPU Core ROM 56...

Page 57: ...IC707 S 80727AL AQ T1 2 VDD VSS 3 Parasitic Diode 1 OUT 1 2 3 55 ...

Page 58: ... x 4 COM Interrupt Generator Input Port I O Port System Reset Control Core CPU E0C6200B ROM 1 536 words x 12 bits RESET 43 56 55 OSC1 OSC2 54 57 53 COM0 SEG0 VDD VD1 VSS VC1 CA 49 48 R00 R01 R02 33 34 35 36 37 P00 P01 P02 P03 TEST K00 3 4 6 COM3 COM2 COM1 32 SEG25 1 60 58 59 2 VC2 VC3 CB 7 50 51 R03 44 47 K03 24 35 1 23 36 54 55 60 5 6 5 30 29 56 ...

Page 59: ... 0 1 50V C14 10 50V C15 0 1 50V FOS VCC FOT AIN R1 JP FM RF L4 C4 C26 0 022 C99 22P C21 1000P To Speaker To VR Unit CN1 AM Loop Antenna C8 0 022 FM OSC L3 C2 R8 2 2K C3 5P L1 AM ANT C6 0 022 JP2 JP1 Notes 1 All resistance values are in ohms k 1000 ohms M 1000 kohms 2 All capacitance values are In µF P 10 6 µF 3 All resistors are 1 6 watt unless otherwise specified Parts marked with are of importan...

Page 60: ...VI GND Rch VO Lch VO GND CN304 to Volume 6 5 4 13 3 2 1 7 8 9 14 10 1 1 12 IN1 NF1 PREGND PWGND BS1 OUT1 VCC2 IN2 NF2 RPL PWGND BS2 OUT2 VCC1 IC302 TA8227P C213 1000P R226 47K R126 47K C113 1000P R225 4 7K R125 4 7K R124 220K R224 220K Q203 2SC2120 Y Q103 2SC2120 Y R128 1K R228 1K R127 100K R227 100K Q204 2SD1302 C B E B E C B E C Q104 2SD1302 C B E C211 4 7 50V C111 4 7 50V C215 4 7 50V C115 4 7 ...

Page 61: ...I 22 TEST 23 TES1 24 PCMD 4 1 P C M D I 4 2 B C K 4 3 B C K I 4 4 V S S 4 5 V D D 4 6 X U G F 4 7 X P C K 4 8 G F S 4 9 C 2 P O 5 0 X T S L 5 1 C 4 M 5 2 D O U T 5 3 E M P H 5 4 P M P H I 5 5 W F C K 5 6 S C O R 5 7 S B S O 5 8 E S C K 5 9 V S S 6 0 VDD 61 SYSM 62 AVSS 63 AVDD 64 AOUT1 65 AZN1 66 LOUT1 67 AVSS 68 XVDD 69 XTAL 70 XTAO 71 XVSS 72 AVSS 73 ROUT2 74 AIN2 75 AOUT2 76 AVDD 77 AVSS 78 XRS...

Page 62: ...P C810 15P X702 12MHz TP856 TP857 TP861 TP863 TP855 TP925 TP926 C823 100 6 3V C822 0 1 TP921 R926 1K R925 1K R924 1K R923 1K TP918 R927 47K R938 B2125HS601 TP924 TP867 L712 FBA04VA600 L713 FBA04VA600 D707 5 1B D714 JP TP803 TP804 TP805 TP806 TP807 TP808 TP809 TP810 TP811 CD9V VCC F MD F CD DC9V KEY3 F TUNER D GND PS CONT R936 22K Q707 2SC2412K R937 56K TP813 TP913 TP914 R844 1K Q706 2SC2412K R934 ...

Page 63: ...2 101 100 99 98 97 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 C321 0 033 R324 22K C320 0 1 R326 3 9K R325 15K R327 15K C322 0 01 C325 0 1 C301 6800P C302 1 R303 390 R301 0 R302 0 R304 2 2K R305 390 B 6 B 3 B14 B16 C4 C5 C0 B 1 B 8 B 5 B 7 B 2 B15 C1 C327 1 C30...

Page 64: ..._P_CK EE_P_CS ERROR BUSY SLOCK IC401 MN101C15F L401 0 ohm R407 47K R406 47K R405 47K R404 47K R403 47K R402 47K C403 0 1 R408 47K 8 7 6 5 1 2 3 4 NC2 GND D 0 D 1 NC1 VCC C S CLK IC402 BR93LC46F R409 4 7K C533 10 6 3V C501 0 1 C551 1 16V C552 1 16V R525 330 R527 330 R526 330 R528 330 R529 1K C554 4 7 10V C555 4 7 10V 1 2 3 4 5 6 7 8 9 10 11 12 24 23 22 21 20 19 18 17 16 15 14 13 VCC1 VCC1 VINR VREF...

Page 65: ...0 11 12 13 14 15 GND 3 3V DB3 DB2 DB1 DB0 E CLK VCC9V GND KEY IN0 KEY IN1 KEY IN2 NC NC WC950 to CD IC950 LCD Driver C950 F0 1 R950 75K C954 0 1 C955 0 1 C956 0 1 C957 0 1 C958 F0 1 C959 47µ 6 3V C966 47µ 6 3V C964 0 1 C951 2 2m 16V R956 47K D950 ISS355 R957 0 SW970 FR SW971 F Skip SW972 Enter SW973 B Skip SW974 FF R974 270K R973 82K R972 43K R971 24K SW980 MBSR SW981 Display SW982 Edit SW983 Dele...

Page 66: ...101 220 F401 3P T401 a LC950 270 2P 2P 4P 13P 200 1 2 a 330 124 123 200 2 2 361 360 EXPLODED VIEWS UNIT ASSEMBLY 1 3 64 ...

Page 67: ...5P 6P 12P 210 116 114 117 300 118 250 2 2 250 1 2 8P 230 4P 3P UNIT ASSEMBLY 2 3 65 ...

Page 68: ...122 122 122 122 9P 11P 2P 7P 6P 109 107 108 400 UNIT ASSEMBLY 3 3 66 ...

Page 69: ...331 331 351 347 345 339 334 351 344 346 348 CASE UNIT 67 ...

Page 70: ...315 316 317 318 305 303 303 304 323 304 306 16P 6P TOP CASE UNIT 68 ...

Page 71: ...MD MECHANISM UNIT 69 ...

Page 72: ...CD MECHANISM 70 ...

Page 73: ...pecifications 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 same numbers in drawing 71 ...

Page 74: ...94820454 TRANSFORMER 230V 9V 0019 472 0 0013 1 BJ C OSCILLATOR N X 301 94820466 OSCILLATOR CRYSTAL 16 9344MHz 0038 210 0 00 1 AK C X 701 19096518 OSCILLATOR CRYSTAL 0038 136 0 00 1 AM C N X 702 94820457 OSCILLATOR CRYSTAL 12 00MHz 0038 211 0 00 1 AH C COMPONENT PARTS UNIT N 200 94820439 PCB ASSY AMP UNIT 4754 003 0 00 1 CL A N 210 94820130 PCB ASSY VR UNIT 4754 009 0 00 1 BQ B N 220 94820441 PCB A...

Page 75: ...C X 114 94820191 LENS VOLUME 4754 829 0 01 2 AA X N 116 94820142 KEY FUNCTION 4754 870 0 01 1 AA X N 117 94820143 KEY VOLUME 4754 872 0 01 2 AA X N 118 94820449 KEY BAND 4754 871 0 01 1 AA X N 122 94820147 CUSHION RUBBER 4799 880 0 00 4 AB C For MD Mecha N 123 94820190 WINDOW 4754 825 0 01 1 AD X N 124 94820192 TAPE ADHESIVE 4754 831 0 00 1 AA X 303 94820120 CUSHION G 2422 890 0 00 2 AC C For CD M...

Page 76: ...AF1100101A CASIOTECHNO CO LTD Overseas Service Division Nishi Shinjuku Kimuraya Bldg 1F 5 25 Nishi Shinjuku 7 Chome Shinjuku ku Tokyo 160 0023 Japan ...

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