Tascam-MDCD-1-Service-Manual电路原理图.pdf

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1、M MD D- -C CD D1 1& & L LA A- -M MC C1 1 Minidisc Deck/CD Player Effective : Janiary, 2005S-0137 CONTENTS 1. SAFETY INFORMATION 2 2. Specification(MD-CD1) 3 3. Test Mode 5 4. Procedure for Adjistment SERVO(MD MECH) 9 5. Message Display glossary 20 6. Diassembling and Reassembling(MD MECHA) 22 7. Blo

2、ck Diagram 27 8. Level Diagram 28 9. Exploded Views and Parts List(MD-CD1) 32 10. PC Boards and Parts List(MD-CD1) 38 11. Included Accessories(MD-CD1) 43 12. Specification(LA-MC1) 44 13. The Connection Method(LA-MC1) 45 14. PC Boards and Parts List(LA-MC1) 50 15. Included Accessories(LA-MC1) 51 目次 1

3、. SAFETY INFORMATION 2 2. 仕様(MD-CD1) 3 3. 5 4. 調整（MD） 9 5. 一覧 20 6. 分解組立（MD） 22 7. 27 8. 28 9. 分解図(MD-CD1) 32 10. 基板図(MD-CD1) 38 11. 付属品(MD-CD1) 43 12. 仕様(LA-MC1) 44 13. 接続方法(LA-MC1) 45 14. 基板図(LA-MC1) 50 15. 付属品(LA-MC1) 51 SERVICE MANUAL INSTRUCTIONS FOR SERVICE PERSONNEL BEFORE RETURNING APPLIANCE

4、 TO THE CUSTOMER, MAKE LEAKAGE- CURRENT OR RESISTANCE MEASUREMENTS TO DETERMINE THAT EXPOSED PARTS ARE ACCEPTABLY INSULATED FROM THE SUPPLY CIRCUIT. RadioFans.CN 收音机爱 好者资料库 2 1. SAFETY INFORMATION TASCAM MD-CD1 & LA-MC1 This product has been designed and manufactured according to FDA regulations tit

5、le 21, CFR, chapter 1, subchapter J, based on the Radiation Control for Health and Safety Act of 1968, and is classified as a class 1 laser product. There is no hazardous invisible laser radiation during operation because invisible laser radiation emitted inside of this product is completely confine

6、d in the protective housings. The label required in this regulation is shown . CAUTION USE OF CONTROLS OR ADJUSTMENT OR PERFORMANCE OF PROCEDURES OTHER THAN THOSE SPECIFIED HEREIN MAY RESULT IN HAZARDOUS RADIATION EXPOSURE. MD Drive Type : KMS-260E Optical pickup: Manufacturer : SONY Corporation Las

7、er output : 4.55 mW Wavelength : 785+/-20nm CD Drive Type : KSS-575B Optical pickup:Manufacturer : SONY Corporation Laser output : Less than 0.4mW on the objective lens. Wavelength : 760-780nm DTA RadioFans.CN 收音机爱 好者资料库 2. SPECIFICATIONS 仕様 TASCAM MD-CD1 & LA-MC1 MD deck TypeMiniDisc recorder Discs

8、MiniDisc format Rec modesStereo/Mono/LP2/LP4 Recording formatMagnetic field modulation overwrite Recording time74 minutes (stereo), 148 minutes (mono), 148 minutes (LP2), 296 minutes (LP4) when using a 74- minute disc Sampling frequency44.1 kHz Compression systemATRAC (Adaptive Transform Acoustic Co

9、ding) CD deck TypeCompact Disc player DiscsCD/CD-R/CD-RW FormatsAudio CD (CD-DA), MP3 Rated input/output Analog line input (MD input) ConnectorsRCA Input level-10 dBV Input impedance10 k Analog line outputs Connectors RCA Out put level -10 dBV Output impedance 570 Headphones Connectors standard ster

10、eo jack Max. output level 20 mW + 20 mW Load impedance 32 Digital input TOS (EIAJ RC-5720) Format IEC60958 Type II (S/PDIF) Digital output TOS (EIAJ RC-5720) Format IEC60958 Type II (S/PDIF) Keyboard Mini DIN 6-pin MD specifications Frequency response 20 Hz to 20 kHz +/- 0.5 dB S/N ratio 98 dB (play

11、back, A filter), 95 dB (recording, A filter) Dynamic range 98 dB (playback, A filter), 95 dB (recording, A filter) Total harmonic distortion 0.004% (playback), 90 dB (playback, at 1 kHz), 83 dB (recording, at 1 kHz) CD specifications Frequency response 20 Hz to 20 kHz +/- 0.5 dB S/N ratio 100 dB (A

12、filter) Dynamic range 100 dB (A filter) Total harmonic distortion 90 dB (at 1 kHz) Wow and flutter below measurable limits (less than 0.001%) MD部定格 形式 使用 記録STEREO/MONO/LP2/LP4 記録方式Magnetic field modulation overwrite 録音時間74分（標準） 、148分（MONO） （74分使用時） 148 分 （LP2） 、296 分（LP4） 周波数44.1kHz 圧縮方式ATRAC（Adapti

13、ve TRansform Acoustic Coding） CD部定格 形式CD再生機 使用CD/CD-R/CD-RW 再生可能CD（CD-DA） 、MP3 入出力定格 入力（MD入力） RCA 規定入力10dBV 入力10k 出力 RCA 規定出力10dBV 出力570 PHONES 最大出力20mW20mW 負荷32 入力TOS（EIAJ RC-5720） IEC60958 Type （S/PDIF） 出力TOS（EIAJ RC-5720） IEC60958 Type （S/PDIF） KEYBOARD Mini DIN 6p MD電気的特性 周波数特性20Hz20kHz、 0.5dB S

14、/N比98dB以上（再生時、A） 95dB以上（録音時、A） 98dB以上（再生時、A） 95dB以上（録音時、A） 全高調波歪率0.004%以下（再生時） 0.006%以下（録音時） 90dB 以上（再生時、1kHz） 83dB 以上（録音時、1kHz） CD電気的特性 再生周波数特性20Hz20kHz、0.5dB S/N比100dB以上（A） 100dB以上（A） 全高調波歪率0.004%以下 90dB以上（1kHz） 測定限界以下（0.001以下） 3 4 TASCAM MD-CD1 & LA-MC1 Unit specifications Power USA/Canada 120 VA

15、C, 60 Hz U.K./Europe 230 VAC, 50 Hz Australia 240 VAC, 50 Hz Power consumption 18 W Dimensions 483 x 94 x 308 mm 19 x 3.7 x 12.1 (in) Weight 5.8 kg (12.8 lbs) Operating temperature rangeOperating temperature range: 5 to 40 degrees C (41F to 104F) Supplied accessories remote control unit (1) AA batte

16、ries (2) power cord (1) rack-mounting kit (1) owners manual (1) warranty (1) For product improvement, specifications and external appearance are subject to change without notice. Due to product improvement, the actual unit may appear differently than the illustrations in the operation manual. 一般 電源A

17、C100 V、50/60 Hz 消費電力18 W 外形寸法483 x 94 x 308（mm） 質量5.8kg 動作温度540 付属品（x1） 単三電池（x2） 電源（x1） 取扱説明書（x1） （x1） 保証書（x1） EIAJ日本電子機械工業会規格定測定法 。 仕様外観、改善予告変更 。 製品改善、取扱説明書、一部製 品異。了承。 Dimensional drawing 外形寸法図 18 mm 308 mm 285 mm5 mm 483 mm 465 mm 435 mm 76 mm 88 mm 94 mm 5 3. Test Mode TASCAM MD-CD1 & LA-MC1 3-1.

18、 How to set the test mode enabled While holding down the OPEN/CLOSE and EJECT keys, switch on the power. (You need to keep both keys held down until the display reads Test Mode.) To turn the test mode off, switch off the power. 3-2. Test mode menu When running in test mode, the center encoder is ava

19、ilable for selecting test items and confirming your selection. The following items are available: DISPLAY CHK KEY CHECK ENCODER CHK CONT SW CHK KEYBOARD CHK RS-232C CHK EEP CHECK MD ADJUST This procedure is applicable for MD-CD system microcomputer version 1.10 and above. VERSION UP VERSION CHK When

20、 an item is selected and you press the CD STOP key, you will go back to the test mode menu. 3-3. Test items explained 1) DISPLAY CHK With each press of the DISPLAY key, the FL display tube shows grids and characters as shown below, with LEDs being on or off: To turn off this selection, press the CD

21、STOP key. 1st stage: FL display tube and all LEDs turned off 2nd stage: 3-1入方 OPEN/CLOSEEJECT押電源投 入。 （Test Mode表示押続） 電源OFF終了。 3-2 入、項目 選択、決定。 選択項目以下通。 DISPLAY CHK KEY CHECK ENCODER CHK CONT SW CHK KEYBOARD CHK RS-232C CHK EEP CHECK MD ADJUST 本手順、MD-CD1 Ver.1.10 以降適用。 VERSION UP VERSION CHK 選択状態CD側ST

22、OP押選択項目戻 。 3-3各説明 ）DISPLAY CHK DISPLAY押毎、下記様FL管GRID、 部表示、LED点灯消灯。 CD STOP終了。 第1段階管消灯、LED全消灯。 第2段階 3rd stage: 4th stage: 第3段階 第4段階 6 TASCAM MD-CD1 & LA-MC1 第5段階 第6段階 第7段階 FL管全点灯CD側LED全点灯 第8段階 FL管全点灯LED全点灯 再度DISPLAY押DISPLAY CHK終了。 2）KEY CHECK FL管表示順次押行。最後 、抜 出来。 3）ENCODER CHK FL管操作方法表示。順 番 （1） 左回、回分 （

23、2） 右回、回分 （3） （4） CD側左回、回分 （5） CD側右回、回分 （6） CD側 （7） MD側左回、回分 （8） MD側右回、回分 （9） MD側 （10） CD STOP終了。 4）CONT SW CHK 現在位置表示。 ON側場合CONT SW ON 、OFF側場合 CONT SW OFF表示、両方表示確認 。 5th stage: 6th stage: 7th stage: FL display tube turned on and all LEDs light up on CD player 8th stage: FL display tube and all LEDs

24、turned on Press again the DISPLAY key to terminate DISPLAY CHK. 2) KEY CHECK Press keys in sequence as the FL display tube shows. Unless you sequence through all keys, you cannot quit this mode. 3) ENCODER CHK The FL display tube shows how to operate which encoder in this order: (1)Rotate the center

25、 encoder counterclockwise over a distance of 3 clicks. (2)Rotate the center encoder clockwise over a distance of 3 clicks. (3)Push the center encoder. (4)Rotate the CD-side encoder counterclockwise over a distance of 3 clicks. (5)Rotate the CD-side encoder clockwise over a distance of 3 clicks. (6)P

26、ush the CD-side encoder. (7)Rotate the MD-side encoder counterclockwise over a distance of 3 clicks. (8)Rotate the MD-side encoder clockwise over a distance of 3 clicks. (9)Push the MD-side encoder. (10) Press the CD STOP key to quit this mode. 4) CONT SW CHK This shows the current control switch po

27、sition. Set the control switch to ON and OFF to check to see if CONT SW ON and CONT SW OFF are displayed, respectively. 7 TASCAM MD-CD1 & LA-MC1 5）KEYBOARD CHK KEY CHECK同様FL管表示押。 KEY CHECK異必要 。 6）RS-232C CHK RS-232C送受信治具確認行。 Data Send？表示中、 実行。 OK：RS-232C Good NG：Time Out! 上記、表示。 注意： 治具確認時、 ENTER実行前

28、治具Rx端子RS-232C電圧印 可行事。 7）EEP CHECK (1) DEFAULT JPN DM用EEP ROM初期化設定。工場出荷用。 (2) DEF PARA JPN DM用EEP ROM初期化設定。、再生時間、 記録時間積算時間初期化。 (3) DEFAULT US DM以外EEP ROM初期化設定。工場出荷用。 (4) DEF PARA US DM以外EEP ROM初期化設定。、再生時間、 記録時間積算時間初期化。 (5) CLR TIME CD 仕向関係CD再生積算時間初期化。 CD交換使用。 (6) CLR TIME MD 仕向関係MD再生記録積算時間初期 化。MD交換使用

29、。 8）MD ADJUST MD調整実行。 調整項目 (1)温度補正調整TEMP ADJUST (2)調整LDPWR ADJUST (3)確認LDPWR CHECK (4)EF調整EFBAL ADJUST (5)調整FBIAS ADJUST (6)確認FBIAS CHECK (7)再生CPLAY MODE (8)録音CREC MODE 上記項目調整、確認可能。 MD 調整詳細、 MD 調整手順参照。 5) KEYBOARD CHK As with KEY CHECK, press keys as the FL display tube shows. Unlike with KEY CHECK,

30、 you dont need to check all keys. 6) RS-232C CHK This checks data send/receive through RS-232C using a loop jig. To get the check process started, press the ENTER key when Data Send? is displayed. Depending on whether the check is successful or not, either of the following will be displayed: OK : RS

31、-232C Good NG : Time Out! NOTE: Before pressing the ENTER key, be sure to apply an RS- 232C level voltage to the Rx terminal of a loop jig. 7) EEP CHECK (1)DEFAULT JPN Initial setting of EEP ROM for Japan. For use before shipment. (2)DEF PARA JPN Initial setting of EEP ROM for Japan. Total play and

32、record times not initialized. (3)DEFAULT US Initial setting of EEP ROM for other countries than Japan. For use before shipment. (4)DEF PARA US Initial setting of EEP ROM for other countries than Japan. Total play and record times not initialized. (5)CLR TIME CD Initialization of total CD play time o

33、nly, regardless of destination country. For use when CD drive is replaced in servicing process. (6)CLR TIME MD Initialization of total MD play and record times only, regardless of destination country. For use when MD mechanism is replaced in servicing process. 8) MD ADJUST This adjusts the servo of

34、MD mechanism. Adjustment items The following adjustments and checks are provided. (1) Temperature correcting offset adjustment TEMP ADJUST (2) Laser power adjustment LDPWR ADJUST (3) Laser power check LDPWR CHECK (4) EF balance adjustment EFBAL ADJUST (5) Focus bias adjustment FBIAS ADJUST (6) Focus

35、 bias check FBIAS CHECK (7) Test play CPLAY MODE (8) Test record CREC MODE For details on how to adjust the servo of MD mechanism, refer to Procedure for adjusting servo of MD mechanism. 8 TASCAM MD-CD1 & LA-MC1 9）VERSION UP FLASH ROM実行。 元 UPDATE 、名FLASH.MOT、 記録。 （名MDCD1_xxxx.MOT 可能。 xxxx部数字推奨。 ） VE

36、RSION UP表示状態ENTER 押。自動的（表示Disc Set ）準備乗OPEN/CLOSE 閉。 （手動閉可能 。 ） File Check表示中挿入、 認識Update?表示 ENTER実行。 実行中FLASH ROM書込表示 Complete表示終了。 後電源入直再起動。 10）VERSION CHK 回、下記表示 。 SYS Ver xx.xx CD Ver xx.xx MD Ver xx.xx BUILD xxxxx 3-4終了 電源OFF終了。 9) VERSION UP This gets FLASH ROM updated. Give a volume label UPT

37、ATE and a file name FLASH.MOT to the update-from file and record this file on a disc. (For the file name, MDCD1_xxxx.MOT is also available. We recommend entering numerals in xxxx.) Press the ENTER key when VERSION UP is displayed. The tray will automatically slide out (Disc Set is displayed). Place

38、the disc carrying the update-from file copy in the tray and press the OPEN/CLOSE key to close the tray. (You can also manually close the tray.) The loaded disc is checked while File Check is displayed. When the disk is identified as an update file, Update? is displayed. Then press the ENTER key to g

39、et the update process started. As the update process goes on, the display shows write sector numbers of FLASH ROM, and when the process is over, Complete is displayed. After updated, recycle the power. NOTE: Use the Disc at once function to create a disc for update. 10) VERSION CHK As you rotate the

40、 center encoder, the following are displayed: SYS Ver xx.xx CD Ver xx.xx MD Ver xx.xx BUILD xxxxx 3-4. Switching off test mode Switch off the power. 9 4. PROCEDURE FOR ADJUSTING SERVO OF MD MECHANISM MD 調整手順 TASCAM MD-CD1 & LA-MC1 This procedure is applicable for MD-CD system microcomputer version 1

41、.10 and above. 4-1. Requirements Measuring instrument Oscilloscope: 100 MHz or higher Laser power meter: Leaders LPM-8001 (or equivalent with a maximum of 10mW range) Jitter meter for MD: Leaders LJM-1851 (or equivalent with a range of Sigma 30ns) We recommend using a jitter meter for accuracy in Fo

42、cus bias adjustment, Checking jitter in self-record/play of MO Discs, and Checking jitter in play of Pit Discs. If no jitter meter is available, refer to C1 error rate displayed on the unit. Test disc Test Disc MMD-111 (P/N 49001622-00 : MO disc for adjustment and checking) Test Disc MMD-211(P/N 490

43、01524-00 : Pit disc for adjustment and checking 1) SONYs MDW-74A or equivalent (Recordable blank disc) Entering test mode While holding down the OPEN/CLOSE and EJECT keys, switch on the power. (You need to hold down both keys until Test Mode is displayed.) Terminating test mode Switch off the power.

44、 Selecting test mode options Select options with the multi-jog and press the ENTER key to confirm your selection. Press the CD STOP key to turn off your selection. The use of other specific keys is referred to where necessary. MD mechanism assembly 1) Remove the MD mechanism assembly from the unit a

45、nd place it at a spot favorable for adjustments (on a board placed on the unit, for example). 2) Remove flap. A spot favorable for adjustments refers to a spot where it is easy to insert the laser power meters light receptacle so far as to reach just above the pickup lens. The flap can easily be rem

46、oved by opening the leaf spring outward which is located at the right side of the flap viewed from the front. 本手順、MD-CD1 Ver.1.10以降適 用。 4-1. 準備 使用測定器 ：100MHz以上 ：Leader社製LPM-8001 （相当品。最大10mW 物） MD用：Leader社製LJM-1851 （相当品。Sigma 30ns物） 調整 、 MO Disc自己録再 確認 、Pit Disc再生確認 正確調整行、 使用推奨。 無場合、本体表示C1 値用調整下。 Tes

47、t Disc MMD-111 （P/N 49001622-00：MO disc for adjustment and checking） Test Disc MMD-211 （P/N 49001524-00：Pit disc for adjustment and checking 1） SONY MDW-74A相当品 （Recordable blank disc） 入方 OPEN/CLOSEEJECT押電源 投入。 （Test Mode表示 押続） 解除 電源切。 選択 MULTI JOG選択、 ENTER決定、 CD STOP 選択項目解除行。 他、 各項目特殊使用項目説明。 MD Assy 1） MDAssy本体取外、調整位 置置下。 （例：本体上板敷、 上 Assy置） 2） 外下。 調整位置、受光部 真上挿入位置意味 。 、正面見右側板 外側開事、簡単外事。 10 TASCAM MD-CD1 & LA-MC1 4-2. 4-2 .Test points 注意事項 1発光時、絶対 真上覗下。真上 覗、失明。 2使用測定器、2極電源使用下 。3極場合2極変換下。 3調整基準電圧Vc、GND