Fostex CR200 Service Manual
Fostex CR200 Service Manual

Fostex CR200 Service Manual

Fostex cr200 cd recorder: supplementary guide
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Service Manual
Model
CR200
Compact Disc Recorder
DANGER - LASER RADIATION WHEN OPEN.
AVOID DIRECT EXPOSURE TO BEAM.

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Table of Contents
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Summary of Contents for Fostex CR200

  • Page 1 Service Manual Model CR200 Compact Disc Recorder 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: Table Of Contents

    Adjusting procedures are given in this manual which also includes a Parts List and circuit diagrams to assist the service technician in maintaining the Model CR200. The following accessory is supplied with CR200 as a standard. Owner's manual, CR200 Remote control unit Model 8317 Audio cable (L : 1.2m)
  • Page 4 CR200 1. CD-R THEORY 1-1. Physical layout compared to CD The conventional CD and CD-R discs basically have the same physical layout. However, as you can see from the Fig. 1, comparing to the conventional CD, the CD-R disc also has so- called “minus”...
  • Page 5 The recordings made after the PCA is fully used up will not be optimal in performance. 0.6µm (track width) 22.05 ± 1kHz = ~ 60µm Count Area CR200 1.6µm (track distance) Lead In Area...
  • Page 6 When the disk is full or all the recording is completed, the disk can be finalized. This means that the temporary information in the PMA is checked and transferred to TOC. Now the disk is playable on an ordinal CD player but it will not be recordable any more.
  • Page 7: Specifications

    2. SPECIFICATIONS FUNCTIONS Sampling rate converter Automatic disk distinction Time display switching Synchronous to one song / All songs / DAT ID REC mute Automatic power calibration Automatic track increment Manual track increment Automatic REC PAUSE Previous Fader in / fader out Disk remaining time display Sampling monitor Skip play...
  • Page 8 CR200 GENERAL Model Applicable discs Number of channels Power supply Power consumption Weight (without package) Maximum dimensions AUDIO UNIT Playback (CD) Frequency characteristics Dynamic range Total harmonic distortion Channel separation De-emphasis deviation Level difference between channels Output voltage Monitoring (analog RCA pin input)
  • Page 9 DIN 8-pin connector (Outer shell is grounded.) Pin 1 : PAUSE Pin 2 : Pin 3 : PLAY Pin 4 : NC Pin 5 : Manual track write Pin 6 : REC Pin 7 : Pin 8 : STOP CR200...
  • Page 10 CR200 3. CONTROLS, INDICATORS & CONNECTORS CR200 COMPACT DISC RECORDER TRACK NO. (MANUAL) AUTO/MANUAL POWER INPUT SELECTOR SYNCHRO < Front Panel Section > Power indicator Power switch [ POWER ] Input selector button [ INPUT SELECTOR ] Digital synchro button [ DIGITAL SYNCHRO ]...
  • Page 11 OPTICAL LINE IN SW 1 1 2 3 BALANCE IN 1 2 3 4 SW 2 DIGITAL OUT 36 37 < Rear Panel Section > Analog line input connectors [ LINE IN L, R ] Digital input/output connectors [ OPTICAL IN, OUT ] Digital input/output connectors [ COAXIAL IN, OUT ] Analog line output connectors [ LINE OUT ] GND terminal [ SIGNAL GND ]...
  • Page 12 Even if nothing is wrong with the pickup section and hardware components in the circuits, due to the misalignment of various adjustments, there is a possibility that the CR200 does not work properly or at all. According to the following procedures, make adjustments correctly.
  • Page 13 Coarse focus offset adjustment Main and sub mix ratio adjustment Tracking amp. gain adjustment SERVO UCOM BOARD ASSY CN5021 Shorten the two lands to put the CR200 into the TEST MODE. 1 2 3 1 2 3 1 2 3 1 2 3...
  • Page 14 CR200 Adjustment 2 (continued) Item Tracking offset adjustment ACT offset adfjustment ACT gain adjustment Fine focus offset adjustment WBL balance adjustment Fine WBL offset adjustment WBL focus offset adjustment Recording power adjustment HF amp. gain adjustmnet Focus servo loop gain adjustment...
  • Page 15: Test Mode

    If the elapsed time is not displayed or not counted correctly, it may be that something is out of adjustment, or that there is some other problem. This key is a toggle key and open/close the tracking servo alternately. This key has no effect if no disc is mounted. CR200...
  • Page 16 CR200 Code Key Name Function in Test Mode MANUAL/ Carriage reverse TRACK (inwards) SEARCH REV MANUAL/ Carriage forward TRACK (outwards) SEARCH FWD STOP Stop OPEN/CLOSE Disc tray open/close RECORD Maximum recording power normal EFM by pressing REC and REC MUTE keys in order.
  • Page 17 4.2 Adjustment 1 4.2.1 Playback Power Adjustment DANGER - LASER RADIATION WHEN OPEN. AVOID DIRECT EXPOSURE TO BEAM. • Objective • Symptom when out of adjustment • Measurement instrument connections Multimeter to CN104, Pin-7 (PWAJT) (HEAD BOARD assy) • Disc •...
  • Page 18 CR200 4.2.2 Coarse Focus Offset Adjustment • Objective • Symptom when out of adjustment • Measurement instrument connections Osciloscope to CN204, Pin-1 (RF) (SERVO UCOM BOARDassy) • Disc • Player state • Adjustment location [ Procedures ] Press the FINALIZE key and the PLAY key in the order to close the focus servo and then the spindle servo.
  • Page 19 GND probe can be connected to CN204, Pin-4 (AGND). [ Settings ]: 20 mV/div., 200 nS/div., AC mode TCD-785 Test mode, focus and spindle servos: closed, tracking servo: open Radial adjustment screw and tangential adjustment screw Radial adjustment screw Tangential adjustment screw Fig. 11 CR200 Hexagonal screwdriver...
  • Page 20 CR200 4.2.4 Coarse Grating Adjustment • Objective • Symptom when out of adjustment • Measurement instrument connections Oscilloscope to CN104, Pin-3 (TE) via a low pass filter. • Disc • Player state • Adjustment location [ Procedures ] Move the pickup to the position where the grating adjustment slit will be seen with the MANUAL / TRACK SEARCH FWD or REV keys so that the grating adjustment can be adjusted.
  • Page 21 [ How to find the null point ] When you insert the small screwdriver into the slit for the grating adjustment and change the grating angle, the amplitude of the tracking error signal at CN104 (TP1), Pin 3 (TE) changes. Within the range for the grating, there are five or six locations where the amplitude of the wave reaches a minimum.
  • Page 22 CR200 4.2.6 Fine Focus Offset Adjustment • Objective • Symptom when out of adjustment • Measurement instrument connections Oscilloscope to CN204, Pin-1 (RF) (SERVO UCOM BOARD assy) • Disc • Player state • Adjustment location [ Procedures ] Move the pickup to midway across the disc (R = 35mm) with the MANUAL / TRACK SEARCH FWD or REV keys.
  • Page 23 GND probe can be connected to CN204, Pin-4 (AGND). [ Settings ]: 20 mV/div., 200 nS/div., AC mode TCD-785 Test mode, play Pickup radial adjustment screw and tangential adjustment screw Radial adjustment screw Tangential adjustment screw Fig. 16 CR200 Hexagonal screwdriver (Rear side)
  • Page 24 CR200 Out of adjustment 4.2.8 Grating Re-adjustment Adjust in the same manner as "4.2.4 Coarse Grating Adjustment ". 4.3 Adjustment 2 4.3.1 CD-R VCO Control Voltage Adjustment • Objective • Symptom when out of adjustment • Measurement instrument connections Multimeter to CN331, Pin-1 (VCOIN) (STRATEGY BOARD assy) •...
  • Page 25 GND probe can be connected to CN3506, Pin-1 (DGND). [ Settings ] CH1 : 1 V/div. DC mode, 20 nS/div. CH2 : 1 V/div. DC mode None needed Test mode, recording power ON VR3502 (EFM DLY) (STRATEGY BOARD assy) CR200 80nS ±3nS...
  • Page 26 CR200 4.3.4 3T Rising Edge Time Adjustment • Objective • Symptom when out of adjustment • Measurement instrument connections Oscilloscope to • Disc • Player state • Adjustment location [ Procedures ] Disconnect a connector CN3502. Turn VR104 (REC. PW) fully counterclockwise to reduce the power at minimum.
  • Page 27 4.3.6 Coarse WBL Offset Adjustment • Objective • Symptom when out of adjustment • Measurement instrument connections Oscilloscope to CN104, Pin-5 (WBL) (HEAD BOARD assy) • Disc • Player state • Adjustment location [ Procedures ] Adjust VR108 (WBL. OFS) so that the DC voltage at Pin 5 (WBL) of CN104 (TP1) becomes 0 ± 10mV. 4.3.7 RF Offset Adjustment •...
  • Page 28 CR200 4.3.9 Coarse Focus Offset Adjustment • Objective • Symptom when out of adjustment • Measurement instrument connections Oscilloscope to CN204, Pin-1 (RF) (SERVO UCOM BOARD assy) • Disc • Player state • Adjustment location [ Procedures ] Press the FINALIZE key and the PLAY key in the order to close the focus servo and then the spindle servo.
  • Page 29 [ Settings ]: 20 mV/div., 5 mS/div., DC mode TCD-785 Test mode, focus and spindle servos: closed, tracking servo: open VR112 (TE. OFS) (HEAD BOARD assy) A = B When there is no DC component CR200 1.0V 0.05V A = B...
  • Page 30 CR200 4.3.13 ACT Offset Adjustment • Objective • Symptom when out of adjustment • Measurement instrument connections Oscilloscope to CN5021, Pin-1 (ACT ERR) (SERVO UCOM BOARD assy) • Disc • Player state • Adjustment location [ Procedures ] Move the pickup to midway across the disc (R = 35mm) with the MANUAL / TRACK SEARCH FWD or REV keys.
  • Page 31 The unit does not focus in, sound is cracking and the RF signal is dirty. GND probe can be connected to CN204, Pin-4 (AGND). [ Settings ]: 20 mV/div., 500 nS/div., AC mode STD-R03 Test mode, play VR105 (FE. OFS) (HEAD BOARD assy) Optimum adjustment Fig. 19 CR200...
  • Page 32 CR200 4.3.16 WBL Balance Adjustment • Objective • Symptom when out of adjustment • Measurement instrument connections Oscilloscope to CN104, Pin-5 (WBL) (HEAD BOARD assy) • Disc • Player state • Adjustment location [ Procedures ] Move the pickup to midway across the disc (R = 35mm) with the MANUAL / TRACK SEARCH FWD or REV keys.
  • Page 33 [ This connection must be via high-pass filter (180pF+3.9k ).] GND probe can be connected to CN104, Pin-4 (AGND). [ Settings ]: 5 mV/div., 20 S/div., DC mode STD-R03 Test mode, play VR108 (WBL. OFS) (HEAD BOARD assy) Optimum adjustment Fig. 21 CR200...
  • Page 34 Move the pickup to midway across the disc (R = 35mm) with the MANUAL / TRACK SEARCH FWD or REV keys. Press the FINALIZE key, the PLAY key and the PAUSE key in the order to close the respective servos and put the CR200 into play mode. Press the AUTO/MANUAL key to light up the COPY BIT LED.
  • Page 35 The unit does not either record or playback self-recorded discs. It also skips tracks and the RF waveform is dirty. (No problem shown during CD playback) GND probe can be connected to CN104, Pin-4 (AGND). None needed Test mode, maximum recording power ON VR104 (REC. PW) (HEAD BOARD assy) CR200...
  • Page 36 CR200 [ Procedures ] Fully turn VR104 (REC. PW) counterclockwise to reduce the power to the minimum. Move the pickup to the outer edge of the disc with the MANUAL / TRACK SEARCH FWD key. Press RECORD and REC MUTE keys in that order to lights up the laser diode.
  • Page 37 GND probe can be connected to CN204, Pin-4 (AGND). TCD-785 Test mode, play VR201 (FCS. GAIN) (SERVO UCOM BOARD assy) CN204 (10 : 1) (TP201) 100k 1.4kHz 1Vp-p (10 : 1) Fig. 24 Fig. 6 Optimum gain Lower gain CR200...
  • Page 38 CR200 4.3.22 Tracking Servo Loop Gain Adjustment • Objective • Symptom when out of adjustment • Measurement instrument connections Oscilliscope CH1 to CN204, Pin-3 (TRKIN) via 100k½ resistor • Disc • Player state • Adjustment location [ Procedures ] Set the AF generator output to 1.2kHz and 2Vp-p.
  • Page 39: Additional Information

    IC104 (BA4560F) [V] TP1 pin 5 (WBL) CN105 pin 11 (WBL) During CD-R PLAY 100mV/div 20 S/div Q101 (2SC2412K) [V] CLOSE OPEN Q102 (2SB1189) [V] Q103~5 (2SA1037K) [V] Q106 (2SA1037K) [V] Q107 (2SA1461) [V] Q109 (DTC114TS) [V] Q111 (DTA114TK) [V] CR200...
  • Page 40 CR200 SERVO UCOM BOARD ASSY • Measuring condition: DC input unless otherwise noted. J201 pin 10 (HF) CN204 pin 1 (RF) During CD PLAY 500mV/div 0.5 S/div CN204 pin 2 (TE) Test mode TRK, CLOSE state : FILTER exist Bottom : FILTER none 500mV/div 0.5mS/div...
  • Page 41 IC205 (PA9004A) [V] IC207 (PDJ006A) [V] IC206 (CXD2500BQ) [V] IC361 (PST572E) [V] IC354 (TC7S00F) [V] IC362 (TC7S04F) [V] IC355 (TC7S04F) [V] IC360 (XL93LC46AF) [V] IC363 (TC7S14F) [V] IC352 (LC3517BML-15) [V] IC353 (HD74HC573FP) [V] IC5008 (BA4560F) [V]...
  • Page 42 CR200 IC351 (PD4760A9) [V] *1 : COPY BIT LED Off : 5V On : 0V *2 : It depends on the key input from Parallel remote controller. If the r e m o t e c o n t r o l l e r i s n o t connected, th voltage is at 0V.
  • Page 43 During REC 10V/div 0.2 S/div IC304 (MB81C4256A -70PJ) [V] IC404 pin 7 (LIN OUT Lch) 5V/div Q409 (Emitter) 5V/div IC406 pin 7 (HP OUT Lch) 10V/div During PLAYBACK (CD 1kHz) 0.5mS/div IC404 (NJM5532MD) [V] IC406 (M5218AFP) [V] CR200...
  • Page 44 CR200 IC801 (AK5340-VS) [V] IC803, 804 (NJM5532DD) [V] Q301 (DTA114TS) [V] Q303 (DTA114TS) [V] Q304 (DTC114ES) [V] Q401 (DTC124ES) [V] Q402 (DTA114ES) [V] Q403, 405 (DTA124ES) [V] Q407, 408 (2SD2114K) [V] Q409 (2SD2114K) [V]...
  • Page 45 I ( n i l n i l d i l ) . y g i j CR200...
  • Page 46 CR200 l a i l a i e l l t I ( l l i l a i t i r y l l n i l...
  • Page 47 (External RAM area (8000H ~ 8FFFH)) According to the characteristics of CD-R disc, the CR200 switches the recording EFM. There are 4 kinds of pulse (strategy) and they are controlled by the above mentioned output 1 and 2 (STCN1 & STCN2).
  • Page 48 CR200 (3) Surrounding Circuit Block Diagram (Servo System) DIRC (To servo LSI) Audio final stage mute Tracking error gain adjustment TE envelope detection reset Laser diode ON/OFF Mirror detection circuit selection Spindle STOP output Recording laser power output Focus offset switching output...
  • Page 49 RAM. STOP ¥Turn off servo. ¥Stop spindle. ¥Seek to end of TOC area. (Home Position) (STOP mode) Operation image (carriage movement) Is there SEARCH ¥Search to requested track no. or ABS time. ¥Turn off mute. (PLAY mode) PLAY CR200...
  • Page 50 CR200 (5) Operation Flow Chart 2 STOP to PLAY sequence. (From STOP mode) Press PLAY key. SETUP ¥Seek to TOC area. ¥Turn on Focus servo. ¥Turn on Spindle servo (CAV). ¥Turn on Tracking servo (CLV). SEARCH Track count search Using N track move, search to destination coarsely.
  • Page 51 OPC will be executed. The optimum recording power is automatically adjusted by making 15 levels of sweep recording every 13.3ms. 1 ATIP (sub code) frame : 13.3ms ATIP sync Recording power Reproduce RF waveform (AC coupled) 13 14 CR200...
  • Page 52 CR200 (7) Operation Flow Chart 4 STOP to OPEN sequence. (From STOP mode) Press OPEN/CLOSE key. PMA REC required ? Arrange data to be recorded in PMA. SEARCH Search section to be additionally recorded in PMA. PMA REC Record PMA data additionally.
  • Page 53 3) At the same time, XSVRST goes ÒLÓ and the servo circuit will be reset. RAME goes ÒLÓ and the external SRAM will be disabled. 4) XRST also goes ÒLÓ and is reset. CAUTION : If XRST goes ÒLÓbefore RAME goes ÒLÓ, value of backup RAM (IC352) will not be memorized correctly. About 100us About 5ms CR200...
  • Page 54 CR200 Seek track 0 Carriage moves toward the TOC area (Home Position). Start the operation 1 . Move to Signal inner direction. Program Area TOCP (IN) Limit 3.4S Command 23 : Tracking OFF Slider REV Focus ON Auto Focus condition...
  • Page 55 CD/CD-R Optimum Optimum STEP TEPP value Calculate 9 times ? TEPP value in the at optimum range ? •Present STEP is memorized as Optimum STEP and the adjustment will be completed. + Optimum STEP TEPP value CR200...
  • Page 56 CR200 (10) Tracking Gain Adjusting Timing Chart Optimum TEPP value : 2.494V ± 0.103V (2.372 - 2.649V) 2.26V ± 0.103V (2.157 - 2.372V) 1) Example when the gain increases to the maximum after the disc gain decreases. TEPP 7 STEP...
  • Page 57 [It receives CD-R remote commands (A3**, AF**).] 3. Parallel remote controller input analysis The CR200 receives the key input from DIN 8-pin connector on the rear panel. The input command can be distinguished by the analog data (0 ~ 5V) applied to pin-28.
  • Page 58 CR200 l a i l e l a l l e l l n i l l l o l l o l l o l l o i g i y l l l l o l l o...
  • Page 59 SUBCODE MICON CCB, CE, CL, DI, DO DITOUT DACDATA, MUTE DACBCK, DACLRCK A9-0, DO4-1, MEMCON RAS, CAS, OC, WR DACCKOUT ENCCKOUT ENCPCO, ENCLPFI, ENCLPFO, ENCERR ENCVCOIN, ENCCK, RFDET, RECEN, CDENC EXTSYNC, EXTACK, ATIPSYNC, SUBSYNC EFM, STRATEGY DEC3T, DEC4T, XSAMPLE CR200...
  • Page 60 CR200 (2) Function of Terminal c i t c i t c i t c i t l l i l l i l l i l l i t l i f y t i t t i j...
  • Page 61 CR200...
  • Page 62 CR200 TK16124M (IC333, 334, 340) on the STRATEGY BOARD ASSY (1) Block Diagram VOUT y f i TTL - ECL Interface DELAY Circuit Reference TTL - ECL Interface Output Circuit t s i...
  • Page 63 PEL1086 (V701) on the FUNCTION BOARD ASSY FL INDICATOR TUBE PATTERN AREA Pin Connection Pin No. Connection Pin No. Connection NOTES : 1) F : Filament 2) G : Grid 3) P : Anode 4) NP : No Pin Grid Assignment 10G 9G Anode Connection CR200...
  • Page 64 CR200 5.3 DISASSEMBLING (1) REMOVE THE TRAY PANEL Hold the tray panel with your hands as shown in Fig. 1, and grasp the tray with your thumbs and then lift the tray panel up while pulling it toward you with the other fingers. (Fig. 2) Tray panel Fig.
  • Page 65: Owner's Manual, Cr200

    6.1 PACKING (1) PARTS LIST Mark No. Description 1 Audio cable (L : 1.2m) 2 Owner's manual, CR200, ENG 3 Caution 4 Remote Control Unit 5 Battery Cover 6 Dry Cell Battery (R03,AAA)
  • Page 66 CR200 (1) PARTS LIST Mark No. Description 1 Strategy Board assy 2 Servo Ucom Board assy 3 Audio Digital Board assy 4 REC VR Board assy 5 Headphone Board aSSY 6 Power SW Board assy, USA Power SW Board assy, EUR...
  • Page 67 6.2 OVERALL EXPLODED VIEW (1/2) CR200 USA Only Note * : Accessory of No.4. CR200 Only (2/2) 8(1/2) Rear Front CR200 EUR Only CR200 USA Only Refer to "2.3 LOADING MECHANISM ASSY TT" CR200 EUR Only (2/2)
  • Page 68 6.3 LOADING MECHANISM ASSY TT 59(2/2) 59(1/2)
  • Page 69 8221 2380 00 8274 1410 00 8204 1560 00 8214 2990 00 8274 1420 00 Spacer 8277 4560 00 8214 3780 00 8204 1570 00 CR200 (Pressure of about 9kg) Disc Table TT Spacer 8.1mm Mechanism Chassis TAN base Stopper...
  • Page 70 CR200 6.4 PCB PATTERN Parts & Foil Side of INPUT / PARALLEL REMOTE BOARD ASSYS RY8001 C8003 C8009 C8011 L8003 C8007 CN8005 CN8003 CN8004 L8002 C8008 C8010 C8006 C8002 RY8002 C8012 IC3001 CN3002 PWZ3378 PWZ3653 PWZ3465 PWZ3654 KN8001 KN3710 SK3 V0...
  • Page 71 CR200 Parts Side of SERVO UCOM BOARD ASSYS...
  • Page 72 CR200 Foil Side of SERVO UCOM BOARD ASSYS R1363 CN203 DGND A+5V AGND A-5V D210 C295 R294 R293 IC359 J208 XRFDET J209 RECE XSAMPLE DATA IC352 S-RAM 4.32M IC204 XEXTSYNC ATIP IC363 SUBSYNC DACCKOUT UNLOCK 16. XTALOFF J208 R1245 R1216...
  • Page 73 CR200 Parts Side of AUDIO DIGITAL BOARD ASSYS...
  • Page 74 CR200 Foil Side of AUDIO DIGITAL BOARD ASSYS D402 R467 C471 C470 Q409 Q407 D403 R468 C464 C463 Q410 Q408 C1403 C368 C378 L312 L311 V+12 V+12 V+12 V+12 R481 C467 R402 R401 R403 R404 R405 C403 C415 C414 C408...
  • Page 75 CR200 Parts Side of HEAD / STRATEGY / REC VR / HEADPHONE / MECHANISM BOARD ASSYS...
  • Page 76 CR200 Foil Side of HEAD / STRATEGY / REC VR / HEADPHONE / MECHANISM BOARD ASSYS R126 C138 R128 C130 R125 IC120 C132 C131 R127 R124 Q120 VR103 Q104 R140 LDPW AGND F2-F1 XSPL Q107 E1-E2 RECINH C115 Q101 MSTE...
  • Page 77 Parts Side of POWER A & B / FUNCTION / POWER SW BOARD ASSYS W105 GNDS R711 R712 W201 -27V W113 GNDD W112 LED3 CP1V0 W111 V+5D W110 LED0 W109 KI2 W108 GNDD D702 D703 S701 S702 S703 D701 AUTO/MANUAL WRITE DISPLAY OFF W189...
  • Page 78 Foil Side of POWER A & B / FUNCTION / POWER SW BOARD ASSYS J703 1. V+5D 5. KS3 9. KI1 2. GNDD 6. KS2 10. KI0 CN701 3. LED1 7. KI3 11. GNDS 1. REMO 9. KI2 4. KS4 8.
  • Page 79 CR200 7. BLOCK & CIRCUIT DIAGRAMS MIRR TEG0, PW0–4 SPSP ATIP...
  • Page 80 AUDIO SYSTEM BLOCK DIAGRAM AUDIO DIGITAL BOARD ASSY JA801 L ch INPUT IC803 JA801 (NJM4565DD) R ch IC8002 VR802 VR801 RELAY L ch IC8004 JA8001 BALANCE RY8004 INPUT IC8002 IC8001 RELAY R ch JA8002 RY8003 IC8003 IC804 IC8001 (NJM4565DD) IC8001-IC8004 : NJM5532DD BOARD ASSY AES/EBU...
  • Page 81: Connection Diagram

    CONNECTION DIAGRAM OPEN CLMP CN105 S13B-ZR LOADING MOTOR PICKUP PWY1029 AGND TOCPOS 4PD A FPD F2 DGND XSAMP FPD F1 M+STE 4PD D LDPW 4PD C XLDON RPD E1 RPD E2 4PD B GND (BODY) GNDA ACT FR ACT TR ACT TD ACT FD MD K...
  • Page 82 MECHANISM & HEAD BOARD ASSYS VA+5 Q110 2SJ146 R116 100K VR107 VR106 VA+5 WBL+. OFS VA-5 R1104 : PCN1039 (TEMP . COEFFICIENT) VA+5 R1106 R163 100K R144 VR121 R145 RF. OFS R143 VA-5 VA-5 GNDA IC104 (1/2) BA4560F C140 R101 R103 HF.
  • Page 83 SERVO UCOM BOARD ASSY (1/2) CN204 (TP201) (B6P-SHF-1AA) V+5D C210 0.01 C212 GNDA 100/6.3 GNDD GNDD GNDD R298 C213 0.01 DATA DATA C214 GNDD 0.0047 R211 IC201 LOCK LOCK (FROM HEAD) CXA1372Q DIRC 100/6.3 DVee PDE1264 C215 AVee J201 0.0047 SSTOP 7.5K (SERVO...
  • Page 84 SERVO UCOM (2/2) / AUDIO DIGITAL / HEADPHONE BOARD ASSYS V+12 R1401 C803 27 (1/2W) VR BOARD ASS'Y 120P RS1/2LMF270J C813 R809 PWZ3645- 47/50 PTL1014-A 6.8K L329 100P C821 R813 IC803 (1/2) GNDS CN801 R811 VR801 (1/2) B9B-PH-K-S R1403 RCV1092-A C844 (TO VOLUME) (1/2W)
  • Page 85 STRATEGY BOARD ASSY CN3505 CN331 B2B-PH-K-E (TP30) B2P-SHF-1AA VCOIN VCOCON R1323 VR301 RCP1055 GNDD CNT2 CN3503 S4B-ZR-SM3A C394 0.01 17.28MHz DET3T EFMIN GNDD 4.32M TK16124M V+5D IC333 CONT CN3501 B2B-PH-K-Y EFMOUT C3521 0.01 V+3D GNDD GNDD Q3501 DTA124EK (70nsec) V+5D V+3D CN3504 B2B-PH-K-R...
  • Page 86 FUNCTION / POWER A & B / POWER SW BOARD ASSYS CAUTION - FOR CONTINUED PROTECTION AGAINST RISK OF FIRE, REPLACE ONLY WITH SAME TYPE AND RATINGS ONLY. INLET NOISE FILTER OTF1006 (ALL THE THREE WIRES CONNECTED BY FASTEN TYPE CONNECTORS.) PDF1173- GNDS CN91...
  • Page 87 Metal resistor RN1/10SE Q3708 DTA114EK R3730 V+5D GNDD R3729 Q3707 DTA114EK V+5D GNDD Q3706 DTA114EK Q3705 DTA114EK Others : Chassis GND CR200 TO CN1 (SERVO PCB) CN3701 B3B-PH-K-S R3731 4.7K GNDD Q3704 DTA114EK R3726 R3717 V+5D GNDD R3725 Q3703 DTA114EK V+5D...
  • Page 88 CR200 INPUT BOARD ASSY INPUT BOARD ASS'Y PWZ3653- BALANCED IN Rch (CH2) C8001 CN8001 0.047 PKP1011 L8005 RTF1171 GAUD L8003 L8001 RTF1167 RTF1167 Lch (CH1) L8002 L8006 RTF1167 RTF1171 CN8002 PKP1011 GAUD L8004 RTF1167 AES/EBU IN C3002 R3002 R3003 C3006...
  • Page 89: Troubleshooting

    • When the STOP or CLEAR key on the remote control unit Model 8317 is pressed continuously for about 10 seconds, the last service number will be displayed even though the CR200 is once turned off and back on. •...
  • Page 90 Check the location of fault (optical, electrical or mechanical system). • Check if the disk is okay or faulty. • Check if external unit connected to the CR200 is faulty. 2. Remembering the operation flow chart Example of fault : The CR200 does not play. •...
  • Page 91 There are scratches or dusts on the FG detection photo reflector pattern attached to the bottom side of disc table. • The wires inside the unit get entangled. • The oil put in the loading mechanism is too less. CR200...
  • Page 92 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 FEB. 1998 8288768000...

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