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”...
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)
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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”...
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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...
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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.
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...
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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)
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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 ]...
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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 ]...
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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.
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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...
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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...
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...
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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.
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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 •...
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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.
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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...
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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.
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[ 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.
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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.
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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)
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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) •...
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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...
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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.
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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 •...
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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.
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[ 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...
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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.
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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...
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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.
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[ 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...
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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.
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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...
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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.
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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...
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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.
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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.
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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...
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I ( n i l n i l d i l ) . y g i j CR200...
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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...
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(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).
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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...
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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.
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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...
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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.
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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...
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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...
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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...
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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...
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[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.
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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...
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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...
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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...
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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.
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)
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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...
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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)
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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...
• 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. •...
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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. •...
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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...
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