Fostex CR300 Service Manual
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Fostex CR300 Service Manual

Fostex CR300 Service Manual

Compact disc recorder
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See also: Owner's Manual
Enlarged version
Service Manual
Model
COMPACT DISC RECORDER
FOR U.S. MODELS
NECESSARY INFORMATION FOR DHHS
RULES MARKED ON THE REAR BASE AND ON
THE TOP OF CD MECHANISM AS BELOW.
DANGER - LASER RADIATION WHEN OPEN.
AVOID DIRECT EXPOSURE TO BEAM.

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Summary of Contents for Fostex CR300

  • Page 1 Service Manual Model COMPACT DISC RECORDER FOR U.S. MODELS NECESSARY INFORMATION FOR DHHS RULES MARKED ON THE REAR BASE AND ON THE TOP OF CD MECHANISM AS BELOW. DANGER - LASER RADIATION WHEN OPEN. AVOID DIRECT EXPOSURE TO BEAM.

  • Page 2: Safety Instructions

    CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT REMOVE COVER (OR BACK). NO USER-SERVICEABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED SERVICE PERSONNEL. The lightening flash with arrowhead symbol, within an equilateral triangle, is intended to alert the user to the presence of uninsulated “dangerous voltage”...
  • Page 3 For the latest Earth information, always consult the current PIONEER Service ground Manual. A subscription to, or additional copies of, PIONEER Service Manual may be obtained at a nominal charge from PIONEER. CR300 on the schematics and on the parts list...
  • Page 4 SERVICING OPERATION OF THE APPARATUS S H O U L D B E D O N E B Y A S P E C I A L L Y INSTRUCTED PERSON. LABEL CHECK CR300 EUR Printed on Rear Panel CR300 EUR LASER DIODE CHARACTERISTICS...

  • Page 5: Table Of Contents

    Model CR300. CAUTION Parts marked with this sign are safety critical components. They must always be replaced with identical components. Refer to the Fostex Parts List and ensure exact replacement. TABLE OF CONTENTS CR300...

  • Page 6: Specifications

    CR300 1. SPECIFICATIONS FUNCTION LIST Automatic Disk Recognition Sampling Rate Converter Synchronous Recording Auto Stop Delay in Digital Synchro Copy Bit Setting Auto Track Increment Manual Track Increment REC MUTE Fade In / Fade Out PREVIOUS Erase Mode (CD-RW) Direct Search...
  • Page 7 2.0 ± 0.3 Vrms (Load impedance: 10 k Analog RCA Output) 4 Hz ~ 20 kHz ± 1.0 dB (EIAJ) 83 dB or more (EIAJ) 83 dB or more (EIAJ) 0.01 % or less (EIAJ) 3.2 Vrms or more (EIAJ) 0.4 Vrms or less (EIAJ) CR300 EIAJ)
  • Page 8 CR300 AUDIO UNIT CHARACTERISTICS (continued) Record & Playback (Analog RCA Input Frequency Response Dynamic Range Total Harmonic Distortion Monitor (Digital Coaxial Input Frequency Response Dynamic Range Total Harmonic Distortion Maximum Input Level Minimum Input Level Record & Playback (Digital Coaxial Input...

  • Page 9: Controls, Indicators & Connectors

    CR300 2. CONTROLS, INDICATORS & CONNECTORS...

  • Page 10: Display Panel

    CR300 < DISPLAY PANEL > Lights when automatic digital- Lights during source synchro recording is playback. activated. Lights during repeat playback. Lights in the program mode. Lights during random playback. Lights during record mode. Blinks in the record muting Displays the track No.
  • Page 11 CR300...
  • Page 12 CR300 < REMOTE CONTROL UNIT MODEL 8317 > FADER button *TRACK No. WRITE (MANUAL) button REPEAT button *Stop button ( ) Numeric buttons (1 to 10, >10) PGM (Program) button Remote controllable range 7m(23 ft) MODEL 8317 TRACK NO. FADER...

  • Page 13: Adjustment Procedures

    • CLOSE MUTE • • LINE • AES / • • • • TIME DIGIT AL MENU /MARGIN SYCHRO PHONES LEVEL ERASE FINALIZE button (STOP) button Focus in Stop (PLAY) button (PAUSE) button Tracking close Spindle kick CR300 • •...
  • Page 14 CR300 3-3-3. How to Playback a Disc in Test Mode In the Test Mode, since each servo circuit operates independently, playing back a disc requires that your operate the keys in the correct order to close the servo circuits. Here is the key operation sequence for playing back a disc in the Test Mode.
  • Page 15 Turn VR106 clockwise until the adjusted value is 2.40 mW ± 0.1 mW. CD-RW erase power adjustment Turn VR105 clockwise until the adjusted value is 5.90 mW ± 0.1 mW. Press the STOP button to shut off the LD. CR300...
  • Page 16 CR300 3-5. ADJUSTMENT 2 (SERVO SYSTEM ADJUSTMENT) For servo adjustment, set the INPUT SELECTOR to OPTICAL. INPUT SELECTOR DIGIT AL XLR / +4 COAX • • AES / • Use the RECORD and REC MUTE buttons to make the adjustments.
  • Page 17 Once the adjustment is registered with the SET button, “?” on the FL display will disappear. 10 : 1 Oscilloscope 10:1 probe NOTE: Perform the adjustment in STOP mode. This adjustment is possible with the low-pass filter used in adjustment 5 above attached. 10 : 1 Oscilloscope 10 : 1 10:1 probe CR300...

  • Page 18: Focus Bias Adjustment

    CR300 3-5-4. Focus Bias Adjustment Test Point CN354 - pin 1 (RF) Adjustment Point DIGITAL SYNCHRO, RECORD and REC MUTE buttons Adjust until the RF jitter is minimal or that the eye pattern of the RF waveform is most open.

  • Page 19: Assembling & Disassembling

    4. ASSEMBLING & DISASSEMBLING Please refer to the following drawings for assembling & disassembling the CR300. 4-1. Under Base, PCB Mold & Insulator 4-2. Under Base, Mecha Base & Rear Base Clamper, cord (8221114000) Screw, PBA1112 Mecha base (N/A) *: EUR version only...
  • Page 20 CR300 4-3. Transformer PCB Assy Cord stopper Transformer PCB assy (8274241000) Transformer cover (N/A) Rivet (8207012700) 4-4. Power, Audio & Servo Digital PCB Assys Fuse, T500mA/250V, EUR (8239119000) Fuse, 1A/250V, USA (8239118000) Power PCB assy (EUR: 8274236006) (USA: 8274236003) Screw, RBA1132...
  • Page 21 CR300 4-5. Power, Audio & Servo Digital PCB Assys Wiring Screw, IBZ30P180FCC Screw, 3 x 6, B (8204158000) (8204185000) Screw, IBZ30P180FCC Screw, 3 x 6, B Screw, ABA1011 (8204185000) (8204158000) (8204178000) Screw, ABA1011 (8204178000) Screw, IBZ30P180FCC (8204185000) Cord stopper (N/A)
  • Page 22 CR300 4-7. Input PCB Assy Screw, PMZ26P040FMC (8204164000) 4-8. Input PCB Assy Wiring & Front Panel Button, power, CR300 Panel, front, CR300 (8212687000) FMEA FMEA J709 J701 Screw, IBZ30P080FZK (8204184000) Input PCB assy (EUR: 8274234006) (USA: 8274234003) Screw, AMZ40P060FCU (8204162000)
  • Page 23 CR300 4-9. Mechanism Assy Wiring Screw, IBZ30P100FCC (8204180000) Cable assy, 9P, grn (8277486000) KN304 KN305 Panel, tray, CR300 (8212688000) Cable assy, 5P, grn (8277485000) CN101 CN352 CN353 4-10. Input, Power, Front PCB Assy Wiring Cable, parallel, 9P, L150 (8277496000) Cable, 2mm pitch,...
  • Page 24 CR300 4-11. Bridge, Clamper, etc. Plate, clamper, CR300(8221304000) Holder, tray, CR300 (8216720000) Clamper, CR300 (8212682000) 4-12. Bonnet & Angles Screw, BBZ40P140FZK (8204182000) Angle, rack, FX, L, CR300 (8221295000) Bonnet, CR300 (8221306000) Label, 65 ** (8218788000) Screw, IPZ26P060FCU (8214383000) **: USA version only...

  • Page 25: Exploded View, Pcb Assembly & Parts List

    8276 9110 00 Cord, power, AC, EUR 8288 8901 00 Card, warranty, USA 8276 9120 00 Audio cable, RCA 8288 4370 00 Owner’s manual, ENG, CR300 Caution, CD-R, EUR Caution, CD-R, USA 8270 8290 00 Remote control unit, Model 8317...
  • Page 26 5-1-2. OVERALL EXPLODED VIEW Ref. No. Part No. 8274 2320 06 PCB assy, Servo Digital, EUR, CR300 8274 2320 03 PCB assy, Servo Digital, USA, CR300 8274 2350 06 PCB assy, Audio, EUR, CR300 8274 2350 03 PCB assy, Audio, USA, CR300...
  • Page 27 40** Refer to “4.4 LOADING MECHANISM ASSY.” Refer to “4-1-3. FRONT PANEL SECTION.” 39** *: EUR version only **: USA version only 59** 60** CR300...
  • Page 28 CR300 5-1-3. FRONT PANEL SECTION Ref. No. Part No. 8274 2380 00 PCB assy, Function A, CR300 8274 2390 00 PCB assy, HP, CR300 8274 2400 00 PCB assy, VR, CR300 8277 4810 00 Cable, 22P F.F.C/60V 8204 1770 00 Screw with washer, ABA1005...
  • Page 29 Ref. No. Part No. Description 8277 4940 00 Cable, 32P, FCC/30V Earth lead unit 8277 4950 00 Cable assy, 2P, CR300 8249 0430 00 DC motor, CR300 8204 1900 00 Screw, DBA1055 Motor pulley 8204 1910 00 Screw, VBA1055 8214 3920 00 Spring, tray stopper, CR300...
  • Page 30 CR300 5-1-5. SERVO MECHANISM SECTION Ref. No. Part No. PCB assy, Servo Mech 8260 5670 00 DC motor assy, CR300 DC motor 8216 7160 00 Rubber, float, A, CR300 8216 7170 00 Rubber, float, B, CR300 Rack spring Mirror sheet...
  • Page 31 CR300...
  • Page 32 CR300...
  • Page 33 CR300...
  • Page 34 CR300...
  • Page 35 CR300...
  • Page 36 CR300 5-2-4. LOADING A / B & SERVO MECH PCBs LOADING A PCB ASS'Y SERVO DIGITAL PCB CN352 LOADING B PCB ASS'Y SERVO MECH PCB ASS'Y SERVO DIGITAL PCB CN353...

  • Page 37: Circuit Diagrams

    DEEM GNDD GNDD GNDD GNDD V+5D V+5D ASS'Y MECH SERVO V+5A V+5A GNDA GNDA J601 J601a ASS'Y LOADING CN502 CN551 CR300 -27V GNDS J701 FSC/XTHR XVCO EECS REMCON MREQ XPFAIL UNLOCK LREQ MACK XOPT XRST XFUSE FSCK DEEM GNDD GNDD...
  • Page 38 CR300 0.01 C208 47/16 C209 1SS355 D202 0.01 C207 220/6.3 C206 220/6.3 C212 R201 C211 QTL1015 L202 TOCP&SENS 0.01 C202 SENS TOCPOS TRAY SQCK SQSI SCOR LRST DATA CLOK XLAT SCLK LOUT (4/6) SERVO_DIGITAL STCN2 STCN1 R212 XEXTSYNC TP208 RW/XR...
  • Page 39 HD74HC4053FP IC105 0.22 4.7K 2.2K R127 PCN1039- C144 R138 R131 VR104 REC. VCP1158- 1SS355 C126 D110 C125 C129 0.01 C145 CR300 (6/6) SERVO_DIGITAL VCP1154- 4.7K VR101 R144 0.047 C143 VCP1154- 4.7K R160 VR105 R161 4.7K VCP1154- VR102 R139 R143 C151...
  • Page 40 CR300 (6/6) SERVO_DIGITAL HD74HC4053FP (1/6) SERVO_DIGITAL 3.9K R250 R189 5.1K R232 R234 R253 C280 0.01 C282 47/16 C248 0.01 C199 (2/6) SERVO_DIGITAL (2/6) SERVO_DIGITAL IC243 100K R269 100K R268 C260 RFT+ C259 0.33 C258 0.33 C257 0.33 C256 C255 0.001 4.7K...
  • Page 41 C340 QTL1015 L313 1000P C331 47/10 C395 2200P 1000P C348 C347 C337 C393 2.2K R333 220K R299 R332 CN3002 INPUT CR300 XVCO FSC/XTHR CDTX CDTX CDDATA CDDATA CDBCK CDBCK CDLRCK CDLRCK MCKDEC MCKDEC REMCON REMCON XVCO XVCO FSC/XTHR FSC/XTHR AMUTE...
  • Page 42 CR300 TOCPOS QTL1015 L351 R361 CDRMIRR CDMDP 47/16 C385 100/16 C390 C359 R359 100K R357 100K R356 SPDL R352 (3/6) SERVO_DIGITAL (4/6) SERVO_DIGITAL (1/6) SERVO_DIGITAL SCOR LOUT TRAY XRST LRST MUTE DATA DATA XLAT XLAT CLOK CLOK SENS SENS SCLK...
  • Page 43 (R162) L1162 QTL1015 REWLDON (R157) L1157 (2/6) SERVO_DIGITAL R1157 (R151) QTL1015 L1151 R164 R165 OPCSH R180 SAMPLE R194 WFPDSH R195 QTL1015 CK17M L320 R308 QTL1015 CK34M L321 RESET (L323) (R156) QTL1015 L1156 R193 (4/6) SERVO_DIGITAL CR300 (4/6) SERVO_DIGITAL (1/6) SERVO_DIGITAL...
  • Page 44 CR300 CONVERTER CN301 SERVO_DIGITAL 100P C429 0.001 C427 4.7K R446 R444 R443 PE8001A R442 R441 R437 2.2K R406 CN8101 INPUT 100P C430 0.001 C428 POWER C468 0.047 C466 100P C465 0.01 C464 0.01 C463 100P C462 0.01 C461 100P...
  • Page 45 C857 100K R853 470K R851 CN8004 INPUT (1/2) AUDIO C847 C836 R832 10/50 C835 DAN202K D801 DAP202K D802 YB 820P C820 R822 R826 R816 RS1/2LMF101J (1/2W) R803 2.7K R808 0.01 0.01 C856 C858 100K R854 470K R852 CR300 CN8005 INPUT...
  • Page 46 CR300 CN805 QTL1015 L8023 R9218 (47/50) PCH1124 C8009 R8081 R8083 (47/50) PCH1124 C8007 5.6K R8015 100K 100K QTL1015 R8013 R8011 L8021 3.9K 2.7K 3.9K R8005 R8007 R8009 470K 470K R8001 R8003 R9017 R8063 R8062 R8189 R8190 1.2K R8167 1.2K R8157...
  • Page 47 RACK RSCK GRID0 GRID1 GRID2 GRID3 GRID4 GRID5 GRID6 R713 100K ACN7081- SLP9118C51H DISP D706 R740 D705 SLP9118C51H R739 INC. TRACK CR300 R752 R751 R750 R749 R748 R747 R746 R745 GREEN1 C709 47/10 BU2092F C711 4.7K R735 J709 CN8006 INPUT...
  • Page 48 CR300 J701 FUNCTION 1.5K 1.5K 1.5K LIVE NEUTRAL CN402 CN8003 CN355 SERVO_DIGITAL AUDIO INPUT...
  • Page 49 LOADING MECHA PCB ASSY SLIDER MOTOR CN601 SPINDLE MOTOR SPDL+ SPDL- TOCPOS TERM GNDA VA+5 LOADING MOTOR CN502 CN551 LOADING MECHA B PCB ASSY SERVO MECHA PCB ASSY S601 PSG1013 GNDA VA+5 J601 MECH PCB ASSY PC651 NJL5803K R651 GNDA VA+5 CR300...

  • Page 50: General Information

    CR300 7. GENERAL INFORMATION 7-1. IC The information shown in the list is the basic one and may not correspond exactly to that shown in the circuit diagrams. NJM2136M (SERVO DIGITAL PCB ASSY: IC101, Operational Amplifier) • Pin Assignment –INPUT +INPUT V–...

  • Page 51: Pin Assignment

    SLHOLD GAINUP1 GAINUP2 GAINUP3 XDECEFM DECEFM RECD1 RECD2 XTAND XTOR ATFG DVDD 11 10 FOCUS & XTAND TRACK XTOR AGCON GAINUP2 GAINUP3 ATFM ATIP ATFG AGC1C AGC2C AGC3C P/H & B/H AUX1 AUX2 AUX3 MPXOUT SDATA SCLK XLAT XRST CR300...
  • Page 52 CR300 • Pin Function Pin Name Analog positive power supply pin AVDD3 FPDIN Laser monitor diode connection pin FVREF Reference voltage input for APC Laser monitor output (connect a resistor for I/V FPD0 conversion between this pin and FPDIN (pin 2))/...
  • Page 53 Adjust pin VCC pin Capacitor connection pin for VCO oscillation VCO control pin. Normally, use for short- circuit with VO (pin 14). Amp. output for sensitivity adjustment Amp. input for sensitivity adjustment IN1: positive-phase input IN2: Inverting input CR300...
  • Page 54 CR300 BA5912AFP-Y (SERVO DIGITAL PCB ASSY: IC351, Driver IC) • Block Diagram REF1 SWITCH MUTE • Pin Function Pin Name Sub-straight GND MUTE1 CH1 mute pin REF1 CH1 Vref switching pin Pow Vcc1 Pow Vcc (CH1) OUT1- CH1 negative output...
  • Page 55 Vcc for two axes driver and loading pre section OPIN 2 2 OP amp. inverting input OPOUT2 1 OP amp. output OPIN2 1- OP amp. inverting input REV2 Reverse input FWD2 Forward input OPIN2 1+ OP amp. non-inverting input VREF Reference voltage output CR300 LOADING LOADING Function...

  • Page 56: Pin Assignment

    CR300 CXD2585Q (SERVO DIGITAL PCB ASSY: IC353, Digital Signal Processor IC) • Pin Assignment ASYE DOUT LRCK PCMD EMPH XTSL XTAO SOUT SOCK XOLT SQSO SQCK SCSY SBSO EXCK • Block Diagram FSTO RFAC ASYI ASYO ASYE BIAS XPCK FILO...
  • Page 57 Outputs “H” when the playback disc has emphasis, and “L” when there is no emphasis. a t ' l l i l l i l a i l a i l a i , t i l a i CR300...
  • Page 58 CR300 TK11041M-1 (SERVO DIGITAL PCB ASSY: IC355, Thermo Sensor IC) • Block Diagram S-806E (FUNCTION A ASSY: IC702, Voltage Detector IC) • Block Diagram Temperature Sensor...
  • Page 59 20 19 Multi-level Delta-Sigma Digital Filter Modulator with Function Controller BPZ-Cont Crystal OSC Power Supply Pin Name 9 10 Low-pass Filter EXTL Low-pass Filter EXTR ZERO Open drain Function CR300...
  • Page 60 CR300 7-2. DISPLAY PEL1097 (FUNCTION PCB ASSY: V701) • FL TUBE • Anode & Grid Assignment...
  • Page 61 CR300 • Pin Assignment...
  • Page 62 FOSTEX CORPORATION 3-2-35 Musashino, Akishima, Tokyo, Japan 196-0021 FOSTEX CORPORATION OF AMERICA 15431 Blackburn Ave., Norwalk, CA 90650, U.S.A. © PRINTED IN JAPAN JUNE 1999 8288782000...

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