Tascam-DA-98-HR-Service-Manual电路原理图.pdf

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1、Effective : October, 2000 4A3489S-0029 SERVICE MANUAL INSTRUCTIONS FOR SERVICE PERSONNEL BEFORE RETURNING APPLIANCE TO THE CUSTOMER, MAKE LEAKAGE-CUR- RENT OR RESISTANCE MEASUREMENTS TO DETERMINE THAT EXPOSED PARTS ARE ACCEPTABLY INSULATED FROM THE SUPPLY CIRCUIT. D DA A- -9 98 8H HR R Digital Multi

2、track Recorder RadioFans.CN 收音机爱 好者资料库 2 CONTENTS 1. SPECIFICATIONS 3 2. TECHNICAL INFORMATION 7 2-1. Activation of test mode 7 2-2. Activation of VTR mode 7 2-3. Displaying ROM version numbers 7 2-4. Displaying SUB MPU version numbers 7 2-5. Displaying the voltage of battery 7 2-6. Displaying the h

3、ed drum utilized time 7 2-7. Displaying the servo error history 7 2-8. KEY PCB check mode 8 2-9. How to use the built-in oscillator 8 2-10. Removing the FRONT MPU 8 2-11. Removing the SYS ROM 8 2-12. Checking the optional IF-AN98HR (A/D board and D/A board) 9 2-13. Changeover of Reference level 9 2-

4、14. EXTERNAL CONTROL I/O 12 3. ASSEMBLING THE MECHANISM ASSY 19 3-1. Flowchart of assembling 19 3-2. Installation of the mechanical parts 20 4. MECHANISM ADJUSTMENTS 26 4-1. Preparation 27 4-2. Test tape 27 4-3. Adjusting the tension arm position 28 4-4. Adjusting the torque 28 4-5. Adjusting the ta

5、pe travel 29 4-6. Confirming the travel in F.FWD, REW and REV mode 32 5. ELECTRICAL ADJUSTMENTS 35 5-1. Check and adjustment points 35 5-2. Test tape 36 5-3. +5 V supply check 36 5-4. P.G. (Phase generator) position adjustment 36 5-5. Offset adjustment in the VCO free-running frequency automatic com

6、pensation circuit 37 5-6. Playback equalizer adjustment 38 5-7. RF level check 39 5-8. Playback error rate check 40 5-9. Recording current adjustment 41 5-10. Recording/playback RF level check 43 5-11. Recording/playback error rate check 43 6. EXPLODED VIEWS AND PARTS LIST 45 7. PC BOARDS AND PARTS

7、LIST 53 8. INCLUDED ACCESSORIES 71 目 次 1. 仕様 3 2. 7 2-1. 起動 7 2-2. VTR起動 7 2-3. ROM表示 7 2-4. SUB MPU表示 7 2-5. 電圧表示 7 2-6. 回転積算時間表示 7 2-7. 履歴表示 7 2-8. KEY PCB 8 2-9. 内臓使用方法 8 2-10. FRONT MPU外方 8 2-11. SYS ROM外方 8 2-12. IF-AN98HR（A/D, D/A） 9 2-13. 変更 9 2-14. EXTERNAL CONTROL I/O 12 3. ASSY組立 19 3-1. 組

8、立 19 3-2. 部品取付 20 4. 機構部調整 26 4-1. 準備 27 4-2. 27 4-3. 位置調整 28 4-4. 調整 28 4-5. 走行調整 29 4-6. FF, REW, REV 走行確認 32 5. 電気系調整 35 5-1. 測定箇所調整箇所 35 5-2. 36 5-3. 電源5V確認 36 5-4. PG （Phase Generator） 位置調整 36 5-5. VCO周波数自動補正回路 調整 37 5-6. 再生調整 38 5-7. RF確認 39 5-8. 再生確認 40 5-9. 記録電流調整 41 5-10. 記録再生 RF確認 43 5-11.

9、 記録再生確認 43 6. 分解図 45 7. 基板図 53 8. 付属品 71 RadioFans.CN 收音机爱 好者资料库 3 仕様 1. SPECIFICATIONS Tape recorder section Format:DTRS format Recording method:Rotary-head, helical-scan method Tape type:Hi8 MP tape / Hi8 ME Head construction:2 x record, 2 x playback Tracking method:ATF (Automatic Track Finding) E

10、rasure method:Overwrite Drum speed:2,000 r.p.m. Tape speed:15.955 mm/sec. Equivalent tape speed:4.2 m/sec. Maximum recording time:108 min. (using P6-120 tape) Time to play from stop:Less than 2 seconds Fast forward/rewind time:80 seconds (using P6-120 tape) Search speed:Maximum of 100 x play speed S

11、huttle speed:Forward and reverse at 8.0, 4.0, 2.0, 1.0, 0.5 and 0.25 play speed (1.0 speed available only in forward shuttle mode) Vari speed:6% (0.1% steps) Positioning accuracy:To 1 sample Positioning lock time:Within 8 seconds (when locating 2 DA-98HRs synced together) Number of recording tracks:

12、8 Sub-code:ABS track, SMPTE/EBU timecode facility Error correction:Double- encoded Reed-Solomon code Sampling frequency:44.1 kHz, 48 kHz, 88.2 kHz, 96 kHz, 176.4 kHz, 192 kHz Recording resolution:16/24 bits linear Cross-fade time:10 ms to 200 ms (10 ms increments) Track delay:200 to +7,200 samples (

13、4 to +150 ms) in single-unit increments. Can be set in samples or ms. Offset:2 hours (to frame accuracy) Sync clock:Internal, WORD or VIDEO MIDI function:MMC (MIDI Machine control) MTC (MIDI timecode) output TASCAM System Exclusive (track delay, etc.) Control Cahnge (mixdown) Supported timecode form

14、ats: SMPTE 30, 29.97 drop, 29.97 non- drop, EBU 25 and Film 24 fps with telecine pull-up and pull-down facilities 定格 録音：DTRS 記録方式：回転式方式 使用：Hi8 ME Hi8 MP 構成：記録用2 再生用2 方式：ATF (Automatic Track Finding) 消去方法：消去 回転数：2,000 rpm. 速度：15.955 mm/sec 記録相対速度：4.2 m/sec 記録時間：108分（P6 120分使用時） 再生立上時間：2秒以内 早送巻戻時間：約80

15、秒（P6 120分使用時） 速度：最大100倍 速度：正方向：8,4,2,1,1/2,1/4 倍 逆方向：8,4,2,1/2,1/4 倍 ：6%（0.1%単位） 調整精度：未満 調相時時間：8秒以内（DA 98HR 2 台同期時） 記録数：最大8 ：ABS、SMPTE/EBU 記録可能 誤訂正方式： 周波数：44.1kHz、48kHz、88.2kHz、 96kHz、176.4kHz、192kHz 録音：16 、24 基準： 16、18、20dB 切替可能 時定数：50sec15sec（再生時自動 選択） 時間：10200 msec（10msec 単位） ：200+7200 （ 単位） 4mse

16、c+150msec （1msec 単位） ABS：2時間 （単位） ：INTWORDVIDEO MMC：、（ ） 対応：SMPTE 30、29.97fps、 29.97fps、EBU 25fps、 24fps 4 Inputs and outputs TDIF-1 (DIGITAL I/O):25-pin D-sub TDIF-1 format DIGITAL (AES/EBU):25-pin D-sub PRO AES3-1992 Amendment 3-1999 REMOTE IN/SYNC IN:15-pin D-sub Conforms to REMOTE IN/SYNC IN pro

17、tocol SYNC OUT:15-pin D-sub Conforms to REMOTE IN/SYNC IN protocol WORD SYNC IN/THRU:BNC connector, 75 at TTL level ON/OFF (THRU auto-terminated) WORD SYNC OUT:BNC connector, 75 at TTL level TIME CODE IN:XLR-3 balanced Input impedance: 10 k Input level: 0.5 Vp-p to 10.0 Vp-p TIME CODE OUT:XLR-3 bala

18、nced Output impedance: 100 Output level: 2.0 Vp-p MIDI:IN, OUT, THRU VIDEO IN/THRU:NTSC or PAL Negative Sync Composite video, Sync Composite Video or Frame Pulse (auto detect) 1 Vp-p, 0.2 V (Negative Sync Composite video or Sync Composite Video) TTL Level (Frame pulse) THRU autmatically terminated (

19、75 ) CONTROL I/O:37-pin D-sub RS-422:9-pin D-sub Comforms to RS-422 specifications METER UNIT:15-pin D-sub Physical specifications Size (exc feet):482 x 176 x 356 (mm) w x h x d19 x 6.9 x 14 (in) Weight:11 kg (24 lb) Power specifications Power requirements:USA/Canada 120 VAC, 60 Hz U.K./Europe 230 V

20、AC, 50 Hz Australia 240 VAC, 50 Hz Power consumption:30 W (IF-AN98HR installed: 46 W) Applicable electromag- netic environment:E4 Peak inrush current:15.5 A (230 V, all options fitted) 入出力 TDIF-1 （DIGITAL I/O） :TDIF-1不平衡、DSub 25、 DIGITAL (AES/EBU) :PRO AES3-1992 Amendment 3- 1999準拠D-Sub 25 REMOTE IN

21、/SYNC IN :REMOTE IN/SYNC IN D-Sub 15、 SYNC OUT :REMOTE IN/SYNC IN D-Sub 15、 WORD SYNC IN :TTL相当75 BNC WORD SYNC OUT :TTL相当BNC WORD SYNC THRU :接続時、WORD SYNC IN 自動認識 自動方式BNC TIME CODE IN :0.5Vp-p 10Vp-p10k 平衡、XLR-3-31 TIME CODE OUT :2Vp-p100平衡、XLR-3-32 MIDI IN :DIN 5 MIDI OUT :DIN 5 MIDI THRU :DIN 5 V

22、IDEO IN :NTSC/PAL 75 BNC 、 （自動検出） 、1Vp-p 02V （ 、） 、TTL 相当（） VIDEO THRU :接続時、VIDEO IN 自動認識 自動方式BNC CONTROL I/O :D-Sub 37 RS-422 :D-Sub 9 METER UNIT :D-Sub 15、 一般 電源：100V AC 50-60Hz 消費電力：30W（IF-AN98HR 装着時 46W） 質量：11kg 外形寸法：幅482高176奥行356 mm （足除） 5 IF-AN98HR (Option) All specifications refer to both D/A

23、 and A/D unless otherwise specified and are measured using Audio Precision System TWO cascade: DTRS-HR mode Sampling frequency:44.1 kHz, 48 kHz, 88.2 kHz, 96 kHz (6%) Sampling resolution:24 bits Frequency response: Fs=44.1 kHz, 48 kHz 20 Hz 20,000 Hz (0.5 dB) Fs=96 kHz 20 Hz 40,000 Hz (1 dB) THD: 11

24、0 dB (1 kHz, Fs=48 kHz) Channel separation: 95 dB (1 kHz) De-emphasis:50/15 s Nominal output level:+4 dBu Output impedance: 10 k Maximum input level:20 dBu, 22 dBu, 24 dBu (selectable) DTRS mode As for DTRS-HR mode, except: S/N, dynamic range: 100 dB (1 kHz, Fs=48 kHz) : These values are obtained wi

25、th the I/O clock set to the Narrow setting. IF-AN98HR（） 特明記項目A/D 、D/A 共通仕様 。 Audio Precision System TWO cascade 測定。 周波数：44.1 kHz, 48 kHz, 88.2 kHz, 96 kHz (6%) 解像度：24 録音再生周波数特性： Fs=44.1 kHz,48 kHz 20 Hz 20,000 Hz (0.5 dB) Fs=96 kHz,88.2 kHz 20 Hz 40,000 Hz (1 dB) THDN 22K LPF ：0.004%以下 1 kHz, Fs=48

26、kHz 録音再生時 S/N 比、22K LPF / A-Weight ： 110 dB 以上 1 kHz, Fs=48 kHz 録音再生時 ：95 dB 以上 1 kHz ：50/15 s 規定出力：+4 dBu 出力：100 以下 最大出力：20 dBu,22 dBu,24 dBu（選択可） 規定入力：+4 dBu 入力：10 k 以上 最大入力：20 dBu,22 dBu,24 dBu（選択可） 以下項目除DTRS-HR 時同 S/N 比、22K LPF / A-Weight ： 100 dB 以上 1 kHz, Fs=48 kHz 録音再生時 ： I/O Narrow 設定時値 6 48

27、2mm 465mm 430mm 356mm 330mm 101.6mm 176mm11mm 7 2. TECHNICAL INFORMATION 2-1. 起動 1. F FWDSTOPPLAY押電源 ON、 “Select Mode”表示後 一旦手離、2秒 以内STOP押。 （TEST MODE表示） 2. 電源OFF、解除。 2-2. VTR起動 1. F FWDSTOPPLAY押電源 ON、 “Select Mode”表示後 一旦手離、2秒 以内PLAY押。 （VTR MODE表示） 2. 電源OFF、VTR解除。 2-3. ROM表示 1. 画面、F選択。 2. 以下項目合。 Sys

28、Ver: SYS ROM Front Ver : FRONT MPU Servo Ver : SERVO MPU 2-4. SUB MPU表示 1. 。 2. 画面、N選択。 3.“SubMpuVer”合、ENTER押。 2-5. 電圧表示 1. 。 2. 画面、N選択。 3.“Battery”合。 2-6. 回転積算時間表示 1. 画面、F選択。 2. 以下項目合。 Dr Total: 積算時間 Dr Search: 時 （PLAY, REC 以外） 積算時間 2-7. 履歴表示 1. 。 2. 画面、M選択。 3.“ServoErr”合、ENTER押。 注) SERVO PCB内EEPRO

29、M記憶 、POWER ON直後電源十分安定 、状態EEPROM書込行 誤書込。 、DA-98HRPOWER ON後10秒間EEPROM 書込禁止。、 POWER ON直後発生10秒経過 前POWER OFF場合、 経歴記憶、実際現象記憶 情報差異生可能性。 2-1. Activation of test mode 1. Hold down F.FWD + STOP + PLAY keys and press POWER key, and when Select Mode is displayed, let go of the three keys and, before 2 seconds i

30、s up, press STOP key. (TEST MODE should be displayed.) 2. The test mode is released when power is turned off. 2-2. Activation of VTR mode 1. Hold down F.FWD + STOP + PLAY keys and press POWER key, and when Select Mode is displayed, let go of the three keys and, before 2 seconds is up, press PLAY key

31、. (VTR MODE should be displayed.) 2. The VTR mode is released when power is turned off. 2-3. Displaying ROM version numbers 1. Select the menu group F in the menu screen. 2. Move the cursor to the items shown below. Sys Ver: SYS ROM version Front Ver : FRONT MPU version Servo Ver : SERVO MPU version

32、 2-4. Displaying SUB MPU version numbers 1. Enter the test mode. 2. Select the menu group N in the menu screen. 3. Move the cursor to SubMpuVer and press ENTER key. 2-5. Displaying the voltage of battery 1. Enter the test mode. 2. Select the menu group N in the menu screen. 3. Move the cursor to Bat

33、tery. 2-6. Displaying the hed drum utilized time 1. Select the menu group F in the menu screen. 2. Move the cursor to the items shown below. Dr Total: Total utilized time Dr Search : Fast-winded time 2-7. Displaying the servo error history 1. Enter the test mode. 2. Select the menu group M in the me

34、nu screen. 3. Move the cursor to ServoErr and press ENTER key. Note) Servo error data is stored in the SERVO PCBs EEPROM mem- ory. As the power is unstable immediately after being turned ON, data written to the EEPROM at this time will be incorrect. To ensure accuracy, the DA-98HR prohibits data fro

35、m being written to the EEPROM for 10 seconds after POWER ON. If an error occurs just 10 seconds, the error data is not stored in mem- ory. As a result, the servo error history stored in the memory may differ from actual phenomena. 8 2-8. KEY PCB 1. PLAYSTOPF FWDREW押 電源ON入。 、LED全灯。 2. STOP, F FWD, RE

36、W, PLAY, RECORD 押、LED全消灯。 3. 後、押、対応 LED点灯。 2-9. 内臓使用方法 1. 。 2. 画面、2選択。 3.“Sine Osc”合ENTER押。 4. /、出力周波数（OFF, 440Hz, 1kHz, 10kHz, 20kHz, 20Hz, White noise）選択。 （） 2-10. FRONT MPU外方 図2-1、PLCC EXTRACTOR （品番:16910101） FRONT MPU （KEY PCB:U6)挟取外。 2-11. SYS ROM外方 SYS ROM （SYS PCB:U011）取外 、外。 、図2-2 取外。 2-8. K

37、EY PCB check mode 1. While holding the PLAY, STOP, F FWD and REW key pressed, turn the power ON. In this case, all LEDs light. 2. Press the STOP, F FWD, REW, PLAY or RECORD key. All LEDs go out. 3. When each key is pressed, the corresponding LED lights. 2-9. How to use the built-in oscillator 1. Ent

38、er the test mode. 2. Select the menu group 2 in the menu screen. 3. Move the cursor to Sine Osc and press ENTER key. 4. Use the and keys to select the output frequency (OFF, 440 Hz, 1 kHz, 10 kHz, 20 kHz, 20 Hz, wite noise). (The level is full scale.) 2-10. Removing the FRONT MPU As shown in Fig. 2-

39、1, hold the FRONT MPU (KEY PCB:U6) with the PLCC EXTRACTOR (P/N: 16910101) to remove it. 2-11. Removing the SYS ROM Detach the socket cover to remove the SYS ROM (SYS PCB:U011). To remove the socket cover, slide it as shown in Fig. 2-2. U011 U011 DetachAttach Fig. 2-2 U6 PLCC EXTRACTOR Fig. 2-1 9 2-

40、12. IF-AN98HR（A/D, D/A ） A/D, D/A際、EXTENSION PCB（品番:5200353800）各PCB接続。 注）EXTENSION PCBSYS PCB接続。 2-13. 変更 A/D, D/A上差換 、以下3種類中選 択。 応、下表 設定。 （図2-3, 2-4 参照） A/D（ANALOG INPUT） D/A（ANALOG OUTPUT） : 差（） : 差（） 2-12. Checking the optional IF-AN98HR (A/D board and D/A board) To check the A/D board and D/A bo

41、ard, connect the EXTEN- SION PCB (P/N : 5200353800) to each board. Note) The EXTENSION PCB cannot be connected to the SYS PCB. 2-13. Changeover of Reference level By replacing jumpers on the A/D and D/A boards, you can set the unit for one of the following reference levels. Depending on the required

42、 reference level, plug in jumpers as shown below. (See also figures 2-3 and 2-4.) A/D board (ANALOG INPUT) A/D board (ANALOG INPUT) : jumper plugged in (closed) : jumper not plugged in (open) Standard Reference level Nominal level Maximum lelel TASCAM16 dBFS+4 dBu+20 dBu European18 dBFS+4 dBu+22 dBu

43、 SMPTE20 dBFS+4 dBu+24 dBu 16 dBFS18 dBFS20 dBFS W031 038 W041 048 W010 W020 W030 16 dBFS18 dBFS20 dBFS W011 018 W021 028 W010 W020 W030 10 Ref Level -18dB:W031 Short -16dB:Non Short -20dB:W031,W041 Short BALIN 1H BALIN 1C 12 L011 FB 12 L021 FB 12 W011 JP 12 W021 JP R011 100K R021 100K 1 2 W031 JP R

44、051 10K R031 2K R041 2K R061 9.1K 1 2 W041 JP 12 C011 22/16BP 12 C021 22/16BP R0 8.2 R0 8.2 R071 9.1K 1 2 C071 0.1 1 2 C061 10/10V +5V 1 2 C072 0.1 1 2 C062 10/10V +5V 1 2 W042 JP 12 C012 22/16BP R082 8.2K R072 9.1K 12 L012 FB 12 W012 JP 12 W022 JP R012 100K R022 100K 1 2 W032 JP R032 2K R052 10K R062 9.1K BALIN 2H BALIN_2C