Yamaha-DSP-5-D-Service-Manual-part-2电路原理图.pdf

101 DSP5D (5) OMNI OUT 1 24 level difference Confi rm the range of difference in the gain measured in item (1) is as follows. Permissible Range Within -1 dBu (6) Crosstalk between adjacent channels (OMNI OUT 1 24) Parameters: Turn on only OMNI OUT of one odd number channel for output with OMNI OUT of the other channels turned off and measure the noise level of even number channels on both sides next to the odd number channel. Input Frequency Output Level (Odd Channel) Permissible Range (Even Channel) 1 kHz+23 dBu-57 dBu or less Perform the same check on the even number channel side. (7) Maximum output (OMNI OUT 1 24) Parameters: Assign only the built-in oscillator to OMNI OUT 1 24. Input Frequency Output Level Permissible Range Permissible Range (Distortion) 1 kHz+24 dBu+24 0.5 dBu0.006 % or less 2-1-2. CH IN 1 48 , ST IN 1 4 (L, R) Parameters: Use OMNI OUT 23 to check CH IN 1 48. For ST IN 1 4 (L, R) inspection, set PAN of L channel fully to the L side and PAN of the R channel fully to the R side. Use OMNI OUT 23 when measuring the L channel and OMNI OUT 24 when measuring the R channel. A. GAIN MAX (1) Gain (CH IN 1 48, ST IN 1 4 (L, R) Input FrequencyInput Level Specifi ed Output LevelPermissible Range 1 kHz-62 dBu+4 dBu+4 2 dBu (2) Frequency characteristic (CH IN 1 48, ST IN 1 4 (L, R) Parameters: 1 kHz is used as the reference of the permissible range. Input FrequencyInput LevelPermissible Range 20 Hz-62 dBu-1.5 0.5 dB 40 kHz-62 dBu-1.5 0.5 dB (3) Distortion (CH IN 1 48, ST IN 1 4 (L, R) Input FrequencyOutput Level Permissible Range 1 kHz+22 dBu0.02% or less (4) Noise level EIN (CH IN 1 48, ST IN 1 4 (L, R) Parameters: Short CH IN to be measured with 150 . Permissible Range -61 dBu or less If the measured value is out of the above permissible range, confi rm the equivalent level is as follows. Measured value - (gain at 1 kHz) <= -127 (5) Level difference (CH IN 1 48, ST IN 1 4 (L, R) Confi rm the range of difference in the gain measured in item (1) is as follows. Permissible Range Within 2 dBu B. GAIN MIN (1) Gain (CH IN 1 48, ST IN 1 4 (L, R) Input FrequencyInput Level Specifi ed Output LevelPermissible Range 1 kHz+10 dBu+4 dBu+4 2dBu (2) Distortion factor (CH IN 1 48, ST IN 1 4 (L, R) Input FrequencyOutput Level Permissible Range 1 kHz+22 dBu0.007 % or less (3) Noise level (CH IN 1 48, ST IN 1 4 (L, R) Parameters: Short CH IN and ST IN to be measured with 150 . Permissible Range -80 dBu or less C. Phantom voltage (CH IN 1 48, ST IN 1 4 (L, R) With No. 2 and No. 3 pins of XLR shorted and 10 k load con- nected between No. 2 and No. 1 pins, confi rm the voltage when the phantom switch is turned on is as follows. Permissible Range DC 33 V 37 V Also, check that discharging starts quickly when the phantom switch is turned off. 2-2. Inspection of ANALOG IN/OUT when WORD CLOCK INT is at 48 kHz. 2-2-1. OMNI OUT 1 24 Parameters: Input from INPUT (XLR) of CH1. Turn on the channel to be measured only. Assign CH1 to OMNI 1 24 and set all MIX SEND LEVEL to NOMINAL (0 dB). (1) Distortion (OMNI OUT 1 24) Input FrequencyOutput Level Permissible Range 1 kHz+22 dBu0.015 % or less (2) Residual noise (OMNI OUT 1 24) Parameters: Turn off OMNI 1 24. Permissible Range -86 dBu or less RadioFans.CN 收音机爱 好者资料库 DSP5D 102 2-2-1. CH IN 1 48, ST IN 1 4 (L, R) Parameters: Use OMNI OUT 23 to check CH IN 1 48. For ST IN 1 4 (L, R) inspection, set PAN of L channel fully to the L side and PAN of the R channel fully to the R side. Use OMNI OUT 23 when measuring the L channel and OMNI OUT 24 when measuring the R channel. Set the GAIN to minimum. (1) Distortion factor (CH IN 1 48, ST IN 1 4 (L, R) Input FrequencyOutput Level Permissible Range 1 kHz+22 dBu0.015 % or less (2) Noise level (CH IN 1 48, ST IN 1 4 (L, R) Parameters: Short CH IN and ST IN to be measured with 150 . Permissible Range -82 dBu or less 2-3. PLL Operating Range of WORD CLOCK IN Parameters: Use System Two. Use OMNI OUT 23 when measuring the L channel. Use OMNI OUT 24 when measuring the R channel. Select WC IN for WORD CLOCK. Input from CH1 IN. Set the GAIN to minimum. A. 96 kHz +2.5 % (98.400 kHz) Parameters: Set the frequency of the oscillator to 96 kHz +2.5 %. (1) Distortion Input FrequencyOutput Level Permissible Range 1 kHz+22 dBu0.006 % or less B. 44.1 kHz -2.5 % (42.9975 kHz) Parameters: Set the frequency of the oscillator to 44.1 kHz -2.5 %. (1) Distortion Input FrequencyOutput Level Permissible Range 1 kHz+22 dBu0.02 % or less 2-4. Jitter Measurement Parameters: Use System Two. Select Sec, PK. BW: Select 700 Hz to 100 kHz. Insert MY8-AE96 to the slot 1 and check its CH1 output. A. WORD CLOCK INT Parameters: Select the WORD CLOCK values shown in the following table. (1) Jitter WORD CLOCKPermissible Range INT 44.1 kHz2 nsec or less INT 48 kHz2 nsec or less INT 88.2 kHz2 nsec or less INT 96 kHz2 nsec or less B. WORD CLOCK EXT Parameters: Select WC IN for WORD CLOCK. When testing, set the frequency of the oscillator as given in the table below. (1) Jitter (all of WORD CLOCK IN and 2TR IN DIGITAL 1, 2, 3) WORD CLOCKPermissible Range 44.1 kHz5 nsec or less 48 kHz5 nsec or less 88.2 kHz5 nsec or less 96 kHz5 nsec or less 2-5. Sound Check Check the following items by listening (1) ANALOG INPUT, ANALOG OUTPUT Parameters: Check CH1, CH14, CH25 and CH38 with OMNI OUT 23 (L) and 24 (R). Set WORD CLOCK to INT 96 kHz. (2) EFFECT function (DSP6 operation check) Parameters: Use the “SERVICE1.PM5” fi le for “sound scene data”. * Download from YAMAHA homepage. Set WORD CLOCK to INT 96 kHz. Input the music signal from ANALOG INPUT CH1 and adjust the GAIN knob so that the STEREO METER OVER does not light up for any scene. Listen to STEREO OUT or PHONES OUT. INSPECTIONS Recall scene 5 (Reverb) and check the signal for at least 15 seconds. Judgment criteria 1: The EFFECT sounds must be output. Judgment criteria 2: The output should be free from noise. In the same manner, recall scenes 6 through 36 and inspect by listening. The scene numbers and EFFECT types are as follows. Scene No.EFFECT No.EFFECT TYPE 51Reverb 61Symphonic 71HQ Pitch 81Dynamic Filter 92Reverb RadioFans.CN 收音机爱 好者资料库 103 DSP5D Scene No.EFFECT No.EFFECT TYPE 102Symphonic 112HQ Pitch 122Dynamic Filter 133Reverb 143Symphonic 153HQ Pitch 163Dynamic Filter 174Reverb 184Symphonic 194HQ Pitch 204Dynamic Filter 215Reverb 225Symphonic 235HQ Pitch 245Dynamic Filter 256Reverb 266Symphonic 276HQ Pitch 286Dynamic Filter 297Reverb 307Symphonic 317HQ Pitch 327Dynamic Filter 338Reverb 348Symphonic 358HQ Pitch 368Dynamic Filter 2-6. Fan HIGH, LOW Switch Check Check that the rotating speed of the fans (2 pcs.) increases when the FAN HIGH, LOW switch on the rear panel is set to HIGH side and that the rotating speed of the fans (2 pcs.) decreases when set to LOW side. 2-7. Power supply unit output voltage check After turning on the power, check the voltage between No. 1 pin (+24 V) and No. 15 pin (GND) of the DC POWER INPUT terminal. Voltage value: +25.0 0.5 V * If the output voltage value is out of the above voltage range, adjust the value to be within the voltage range with the voltage adjustment volume VR601 of the power supply unit (WE22290). 2-8. Power Supply CAUTION Inspection Connect the network terminal of the DSP5D and PC with an Ether cable. Start the DSP5D EDITOR from PC. Connect the PW800W to the DSP5D, turn on the power of the both and check the following: q Power Supply CAUTION Inspection of the Unit Check that “CAUTION” is shown on the PC when the power of only the DSP5D is turned off. w Power Supply CAUTION Inspection of the PW800W Check that “CAUTION” is shown on the PC when the pow- er of only the PW800W is turned off. DSP5D 104 1. 準備 1-1. 条件 特指定以下条件。 WORD CLOCK INT96 kHz 。 測定 CH ON 。 PAN: GAIN: MIN FADER: NOMINAL (0 dB) MIX MASTER LEVEL: NOMINAL (0 dB) MATRIX MASTER LEVEL: NOMINAL (0 dB) 48V MASTER SW: ON PAN NOMINAL POSITION MONO: CENTER PAIR: L R 0 dBu 0.775 Vrms 0 dBFS 0 発振器出力 150 。 測定 12.7 kHz、6 dB OCT LPF 補正 。 ( 実効値平均値測定。) 歪測定 80 kHz、18 dB OCT LPF 補正 。 FAN: HIGH 出力検査時以下条件追加、 変更。 最大出力測定時、 特指定場合内蔵 0 dB 出力。 出力負荷、 OMNI OUT: 600 。 1-2. DSP5D 最新場 合、最新必要 。 最新、YAMAHA 、保存。 (1) DSP5D 確認方法 Ether DSP5D 端子 PC 接続。PC DSP5D EDITOR 起動、MIXER SETUP 画面現在表示。 (2) 書込方法 書込方法、 項参照。 （126 ） 1-3. 初期化 以下手順初期化行。 1 押電源 ON 。 検査 2 OUT TX, OUT RX, IN TX, IN RX LED4 全灯 再度 5 秒押続。 3 LED4 消灯 15 20 秒待。 4 LED 左順次点灯後 LED4 再点灯、 向一番左 LED(OUT TX) 点滅状態 。 5 8 10 秒待 LED 消灯。 6 LED 消灯確認電源 OFF 。 1-4. MAIN SRAM 検査 電源 ON 時、5 秒 INTX, INRX, OUTTX, OUTRX 全点灯状態 。 2. ANALOG IN/OUT 特性検査 2-1. ANALOG IN/OUT WORD CLOCK INT 96 kHz 時検査 2-1-1. OMNI OUT 1 24 条件 CH1 INPUT (XLR) 入力。 測定 ON 。 CH1 OMNI OUT 1 24 、MIX SEND LEVEL 全 NOMINAL (0 dB) 。 (1) 利得 (OMNI OUT 1 24) 入力周波数入力規定出力許容範囲 1 kHz 10 dBu 4 dBu 4 2 dBu (2) f 特 (OMNI OUT 1 24) 条件 許容範囲 1 kHz 基準。 入力周波数入力許容範囲 20 Hz 10 dBu 1.5 0.5 dB 40 kHz 10 dBu 1.5 0.5 dB (3) 歪率 (OMNI OUT 1 24) 入力周波数出力許容範囲 1 kHz 22 dBu 0.007 以下 (4) 残留 (OMNI OUT 1 24) 条件 OMNI OUT 1 24 OFF 。 許容範囲 86 dBu 以下 (5) OMNI OUT 1 24 間差 (1) 測定利得差範囲以下様規定。 許容範囲 1 dBu 以内 105 DSP5D (6) 隣接間 (OMNI OUT 1 24) 条件 1 奇数 OMNI OUT ON 出力、以外 OMNI OUT OFF 、奇数左右隣接偶数 測定。 入力周波数 出力 ( 奇数 ) 許容範囲 ( 偶数 ) 1 kHz 23 dBu57 dBu 以下 偶数側同様確認。 (7) 最大出力 (OMNI OUT 1 24) 条件 内蔵 OMNI OUT 1 24 。 入力周波数出力 許容範囲許容範囲 ( 歪率 ) 1 kHz 24 dBu 24 0.5 dBu0.006 以下 2-1-2. CH IN 1 48 ，ST IN 1 4 (L ，R) 条件 CH IN 1 48 OMNI OUT 23 検査。 ST IN 14 (L ， R)、 LchPANL振切、 Rch PAN R 振切、Lch 測定時 OMNI OUT 23 、Rch 測 定 時 OMNI OUT 24 検査。 A. GAIN MAX (1) 利得 (CH IN 1 48，ST IN 1 4 (L，R) 入力周波数入力規定出力許容範囲 1 kHz62 dBu 4 dBu 4 2 dBu (2) f 特 (CH IN 1 48，ST IN 1 4 (L，R) 条件 許容範囲 1 kHz 基準。 入力周波数入力許容範囲 20 Hz62 dBu1.5 0.5 dB 40 kHz62 dBu1.5 0.5 dB (3) 歪率 (CH IN 1 48，ST IN 1 4 (L，R) 入力周波数出力許容範囲 1 kHz 22 dBu0.02 以下 (4) EIN (CH IN 1 48， ST IN 1 4 (L， R) 条件 測定 CH IN 150 。 許容範囲 61 dBu 以下 上記許容範囲入場合 測定値 (1 kHz 利得 ) 127 確 認。 (5) 差 (CH IN 1 48，ST IN 1 4 (L，R) (1) 測定利得差範囲以下様規定。 許容範囲 2 dBu 以内 B. GAIN MIN (1) 利得 (CH IN 1 48，ST IN 1 4 (L，R) 入力周波数入力規定出力許容範囲 1 kHz 10 dBu 4 dBu 4 2dBu (2) 歪率 (CH IN 1 48，ST IN 1 4 (L，R) 入力周波数出力許容範囲 1 kHz 22 dBu0.007 以下 (3) (CH IN 1 48，ST IN 1 4 (L，R) 条件 測定CH IN， ST IN150 。 許容範囲 80 dBu 以下 C. 電圧 (CH IN 1 48，ST IN 1 4 (L，R) XLR 2 3 、2 1 間 10 k 負荷接続 ON 電圧 以下規定。 許容範囲 DC 33 V 37 V OFF 、速放電開始 確認。 2-2. ANALOG IN/OUT WORD CLOCK INT 48 kHz 時検査 2-2-1. OMNI OUT 1 24 条件 CH1 INPUT (XLR) 入力。 測定 ON 。 CH1 OMNI 1 24 、MIX SEND LEVEL 全 NOMINAL (0 dB) 。 (1) 歪率 (OMNI OUT 1 24) 入力周波数出力許容範囲 1 kHz 22 dBu0.015 以下 (2) 残留 (OMNI OUT 1 24) 条件 OMNI 1 24 OFF 。 許容範囲 86 dBu 以下 2-2-2. CH IN 1 48，ST IN 1 4 (L，R) 条件 CH IN 1 48 OMNI OUT 23 検査。 ST IN 14 (L， R)、 LchPANL振切、 Rch PAN R 振切、Lch 測定時 OMNI OUT 23 、Rch 測定時 OMNI OUT 24 検査。 GAIN MIN 。 (1) 歪率 (CH IN 1 48，ST IN 1 4 (L，R) 入力周波数出力 許容範囲 1 kHz 22 dBu0.015 以下 DSP5D 106 (2) (CH IN 1 48，ST IN 1 4 (L，R) 条件 測定CH IN， ST IN150 。 許容範囲 82 dBu 以下 2-3. WORD CLOCK IN PLL 動作範囲 条件 System Two 使用。 Lch 測定時 OMNI OUT23 検査。Rch 測定時 OMNI OUT24 検査。 WORD CLOCK WC IN 選択。 CH1 IN 入力。 GAIN MIN 。 A. 96 kHz 2.5 (98.400 kHz) 条件 発振器周波数設定 96 kHz 2.5 。 (1) 歪率 入力周波数出力 許容範囲 1 kHz 22 dBu0.006 以下 B. 44.1 kHz-2.5 (42.9975 kHz) 条件 発振器周波数設定 44.1 kHz-2.5 。 (1) 歪率 入力周波数出力 許容範囲 1 kHz 22 dBu0.02 以下 2-4. 測定 条件 System Two 使用。 Sec, PK 選択。 BW: 700 Hz to 100 kHz 選択。 SLOT1 MY8-AE96 挿入、 CH1 出力 検査。 A. WORD CLOCK INT 条件 WORD CLOCK 下記表値選択。 (1) WORD CLOCK許容範囲 INT 44.1 kHz2 nsec 以下 INT 48 kHz2 nsec 以下 INT 88.2 kHz2 nsec 以下 INT 96 kHz2 nsec 以下 B. WORD CLOCK EXT 条件 WORD CLOCK WC IN 選択。 検査時発振器周波数設定下記表値 。 (1) (WORD CLOCK IN， 2TR IN DIGITAL 1， 2， 3共) WORD CLOCK許容範囲 44.1 kHz5 nsec 以下 48 kHz5 nsec 以下 88.2 kHz5 nsec 以下 96 kHz5 nsec 以下 2-5. 音出検査 以下項目聴感確認。 (1) ANALOG INPUT、ANALOG OUTPUT 条件 CH1、CH14、CH25、CH38 OMNI OUT 23 (L)、 24 (R) 検査。 WORD CLOCK INT96 kHz 。 (2) EFFECT 機能 (DSP6 動作確認 ) 条件 音出、SERVICE1.PM5 使用。 YAMAHA 。 WORD CLOCK INT96 kHz 。 ANALOG INPUT CH1 音楽信号入、 STEREO METER OVER 点灯 GAIN 調整。 STEREO OUTPHONES OUT検聴。 検査 5 (Reverb) 、信号最低 15 秒間確 認。 判定基準 1 EFFECT 音出。 判定基準 2 含。 以下同様636検聴。 No. EFFECT TYPE 次。 No.EFFECT No.EFFECT TYPE 51Reverb 61Symphonic 71HQ Pitch 81Dynamic Filter 92Reverb 102Symphonic 112HQ Pitch 122Dynamic Filter 133Reverb 143Symphonic 153HQ Pitch 163Dynamic Filter 174Reverb 184Symphonic 194HQ Pitch 204Dynamic Filter 215Reverb 107 DSP5D No.EFFECT No.EFFECT TYPE 225Symphonic 235HQ Pitch 245Dynamic Filter 256Reverb 266Symphonic 276HQ Pitch 286Dynamic Filter 297Reverb 307Symphonic 317HQ Pitch 327Dynamic Filter 338Reverb 348Symphonic 358HQ Pitch 368Dynamic Filter 2-6. HIGH, LOW 確認 FAN HIGH, LOW HIGH 側切替、 (2 個 ) 回転速度速 、LOW 側切替、 (2 個 ) 回転速 度遅確認。 2-7. 電源出力電圧確認 電源投入後、DC POWER INPUT 端子 1 ( 24 V) 15 (GND) 間電圧確認。 電圧値 : 25.0 0.5 V 出力電圧上記電圧範囲内入、電源 （WE22290）電圧調整用 VR601 電圧 範囲内入調節。 2-8. 電源 CAUTION 確認 Ether DSP5D 端子 PC 接 続。PC DSP5D EDITOR 起動。DSP5D PW800W 接続両方電源 ON 、次確認 行。 q DSP5D 電源 CAUTION 確認 DSP5D 電源 OFF 時、PC CAUTION 表示出力確認。 w PW800W 電源 CAUTION 確認 PW800W 電源 OFF 時、PC CAUTION 表示出力確認。 DSP5D 108 SERVICE CHECK PROGRAM DSP5D Test Program a. This test program is used for “service check” of the DSP5D. Download “YAMAHA DME-N Network Driver” and “DSP5DTST_user.EXE” from YAMAHA homepage and install them on the personal computer. b. Personal Computer Setting 1) Setting Ethernet Control panel Open Network connection Open Local area connection Property Select Internet Protocol (TCP/ IP) Property Select “Use following IP address” Enter the following values for IP address and Subnet mask respectively OK OK to complete setup. (In case of Windows XP). 2） DME-N NETWORK Driver Setup (in case of V1.0.0 system) In case of V1.0.0 system, set up as follows. In case of V1.1 or higher, enter IP address. Control panel Open DME-N Network Driver Remove Advanced Settings Start Check that the numbers in the Device IP Address fi eld are 192, 168, 0, 129 and click checkbox Add to Device List Save and Close to complete setup. c. Use this test program with the OS: Windows 2000/ XP. Immediately after start-up, the screen as shown in Fig.1 appears. d. Items commonly applicable to this check 1) When there is no communication response as an individual judgment of each check, “Communication error” appears on the screen and the individual judgment becomes NG. 2) With some check items, the maximum number of NGs is 20 when there are too many NGs for the check results. 109 DSP5D Start-up screen (Fig. 1) ? ? ? ? ? ? ? ? ? Tool barDescriptionMenu File Save output Saves output content to a file Save log Saves log content to a file Exit Closes an application. Test Execute Executes a single test Start Starts a test Pause Pauses a test Stop Stops a test Clear result Clears test results for selected items NG Stop Stops test if NG arises Check All on Checks a check mark for every item All off Unchecks every item Selected on Checks a check mark for a selected item Selected off Uncheck a check mark for selected items NG on Checks a check mark for NG items NG off Unchecks a ch