Yamaha LMY4-MLF Service Manual Download Page 27

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LMY4-MLF

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LMY4-MLF

(WC58790)

(WC26160)(X4996C0)

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立

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LMY4-MLF

ABS
3.0X8 MFZN2BL

LMY4 ML4
3.0X6 MFZN2BL

OVERALL ASSEMBLY
Overall Assembly
Front Panel
Knob Black
Bind Head Tapping Screw-B
Lens
Circuit Board
Bonding Head Screw

WC401200
VV441000
EP600190
V 4 2 3 8 9 0 0
WC927200
VS863000

10
20
30
40
50
60

∗

DESCRIPTION

REF NO.

PART NO.

部

品

名

REMARKS

QTY RANK

∗

: New parts

RANK: Japan only

■

OVERALL ASSEMBLY

（総組立）

www. xiaoyu163. com

QQ 376315150

TEL 13942296513

TEL 13942296513 QQ 376315150 892498299

http://www.xiaoyu163.com

Summary of Contents for LMY4-MLF

Page 1: ...IAGRAM レベルダイアグラム 7 LSI PIN DESCRIPTION LSI 端子機能表 8 IC BLOCK DIAGRAM IC ブロック図 9 CIRCUIT BOARD シート基板図 10 INSPECTION 検査 13 17 OVERALL CIRCUIT DIAGRAM 総回路図 PARTS LIST LMY4 MLF MIC LINE INPUT CARD www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com htt...

Page 2: ...change without notice or obligation to retrofit Should any discrepancy appear to exist please contact the distributor s Service Division WARNING Static discharges can destroy expensive components Discharge any static electricity your body may have accumulated by grounding yourself to the ground bus in the unit heavy gauge black wires connect to this bus IMPORTANT Turn the unit OFF during disassemb...

Page 3: ...LOG INPUT CHARACTERISTICS Input Terminals Gain Actual load For use with Input level Connector impedance nominal Nominal Max before clip CH1 4 68 dB 3 K 50 600 Mics 68 dBu 309uV 54 dBu 775uV XLR 3 31 type Balanced 2 10 dB 600 Lines 10 dBu 2 45 V 24 dBu 12 3 V 1 0 dBu is referenced to 0 775 Vrms 2 CH1 4 XLR 3 31 type connectors are balanced 1 GND 2 HOT 3 COLD 3 AD converters are 24 bit linear 128 ti...

Page 4: ...10 dB 110 Dynamic range are measured with a 6 dB octave filter 12 7 kHz equivalent to a 20 kHz filter with infinite dB octave attenuation Hum Noise 20 Hz 20 kHz CH1 4 LMY4 DA Equivalent Input Noise 128 Rs 150 GAIN 68 dB CH1 4 LMY4 DA Rs 150 GAIN 26 dB 80 Hum Noise range are measured with a 6 dB octave filter 12 7 kHz equivalent to a 20 kHz filter with infinite dB octave attenuation Crosstalk 1kHz ...

Page 5: ... 1 18 100 123 120 40 7 33 Unit 単位 mm www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 6: ...7 13 3 7 17 6 19 14 2 15 16 4 17 18 17 13 15 17 13 14 10 14 10 2 5 6 7 7 6 4 4 13 3 1 2 1 2 25 6 7 7 6 24 4 13 3 1 2 1 2 5 6 7 7 6 4 4 13 3 1 2 1 2 25 6 7 7 6 24 3 1 2 3 1 2 3 1 2 3 18 dB 14 dB 24 dB 18 dB 12 dB 6 dB 0 dB 48V 48V 48V 48V PAD PAD PAD PAD HA1 HA2 HA1 HA2 HA1 HA2 HA1 HA2 IC202 IC203 IC202 IC201 IC200 IC302 IC300 IC302 IC301 IC303 IC402 IC403 IC402 IC401 IC400 IC103 IC102 Amp Amp Amp ...

Page 7: ...0 20 30 40 50 60 70 80 ANALOG HA2 HA1 dBu DIGITAL ANALOG 0 10 20 30 40 50 60 70 80 DIGITAL 90 100 110 dBFS 0dBFS Full scale 28CA1 8829944 2 www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 8: ...8 19 20 21 22 23 24 25 26 27 28 SDATA FSYNC MCLK DFS HPFE TEST BGND AGND VA AINR AINR VCOMR GNDR VREFR O I O I I I I I I O O Serial data output Frame synchronization clock Master clock input Double speed sampling mode select HPF enable Test Substrate ground Analog ground Analog power supply 5V Rch negative analog input Rch positive analog input Rch common voltage Rch ground Rch voltage reference o...

Page 9: ...1D 1Q CLR 1 D1R 2 3 4 5 6 7 8 9 10 A1 A2 A3 A4 A5 A6 A7 A8 GND 11 12 13 14 15 16 17 18 19 20 VCC OE B1 B2 B3 B4 B5 B6 B7 B8 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Q Q D D CK CK CL CL Q Q D D CK CK CL CL Q Q D D CK CK CL CL Q Q D D CK CK CL CL 1 2 3 1A 1Y 4 2A 5 2B 6 2Y 7 VSS 1B 14 13 12 Vcc 4A 11 4Y 10 3B 9 3A 8 3Y 4B 1 2 3 4 5 6 7 A B Select Enable Output B C C G2A G2A G2B G2B G1 G1 Y...

Page 10: ...rd ML4シート Components side 部品側 CH4 CH3 CH2 CH1 www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 11: ... side パターン側 2NAP WC26160 3 www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 12: ...ご参照ください 2NAP WC06320 HIC HA Circuit Board HIC HAシート Components side 部品側 Pattern side パターン側 www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 13: ... UNC beforehand See Procedure 3 Set the load for the analog output of AO8 at 600 ohm Make GAIN settings using DipSW on UNC circuit board See Procedure 3 1 2 Test Program The test program starts running when DipSW on each UNC circuit board for AI8 and AO8 is set in debug mode and power is activated For setting see Procedure 3 For both AI8 and AO8 use the firmware AI8 AO8 firmware of PMID SYSTEM SOF...

Page 14: ...rd Clock source type AO8 AI8 2 INSPECTION 2 1 Option card ID Conduct an ID check when power is activated after the card is inserted 7 segment LED in front of AI8 displays the left digit slot number and right digit card type This will be displayed for 8 slots in sequence so visually check that it is recognized as LMY2 MLAB Also WordClock source currently locked will be finally displayed so check th...

Page 15: ...0 Set UNI circuit board so that WordClock can be switched over to BNC Proceed to inspection after checking that the 7 segment LED displays the following q Fs 51 2 kHz 48 kHz 6 5 Set Function Generator for 51 12 kHz Check that the output level listed below can be achieved w Fs 39 69 kHz 44 1 kHz 10 Set Function Generator for 39 69 kHz Make the same inspection as in q and check that the same output ...

Page 16: ...l H C G Note 1 Limit the relative error of two 24 ohm resistors to a maximum 50 m ohm Clock is provided from INPUT A GAIN 24 dB set R1 24Ω Note 1 1 In order of 2 3 and 4 6 7 Operating mode 1 Operation 0 Debug 1 ALL OFF 1 ALL MIN 0 dB 0 ALL ON 0 2 3 4 GAIN mode 1 WC Sel mode 1 GAIN mode 1 Phantom GAIN 1 1 1 Int48 kHz 1 1 1 Sweep 2 4 3 2 1 8 CPU 1 ON UNC circuit board 0 OFF 7 6 5 1 0 1 Int39 kHz 1 0...

Page 17: ...おきます 3項参照 AO8アナログ出力の負荷は600 Ωとします GAIN設定は UNCシート内のDipSWで行います 3項参照 1 2 テストプログラム AI8 AO8の各UNCシート上にあるDipSWをデバッグモードに設定し電源ONすることでテストプログラムが起動します設定方法については 3項を参照してください AI8 AO8共にファームウエアーは下記に記載されたバージョンと一致するPMID SYSTEM SOFTWAREの AI8 AO8 ファームウエアーを使用してください LMY4 MLF AI8 接続図 AO8 INPUT A OUTPUT A Function Generator LMY4 DA 68ピンケーブル Int48 BNC HEAD PHONE SIN波発振器アンプ Clockソースは検査により選択歪計バージョン 1 70 0 www xiaoyu163...

Page 18: ...LMY4 MLF SLOT 1 LMY4 MLF Input A Word Clockソース種別 Word Clockソース種別 AO8側 AI8側 2 検査 2 1 OPTION CARD ID カード挿入後電源ON時にIDチェックを行います AI8正面の7セグメントLED上に左の桁スロット番号右の桁カード種類と表示されますこれが8スロット分順次表示されるのでLMY2 MLABと認識しているか目視確認してくださいまた最後に現在ロックしているWordClockソースが表示されるので Int48kHzの状態になっているか確認します同様に AO8正面の7セグメントLEDが最終的にWordClockソース Input Aとなっているか確認します 2 3 各CH間のレベル差 CH1 CH2 CH3 CH4 2 2で測定した1 kHzでの利得差の範囲を以下のように規定します設定範囲...

Page 19: ...0 AI8のWordClockソースをBNCに切替えるようUNCシートを設定します AI8の7セグメントLEDが次のように表示されることを確認後検査を行います q Fs 51 2 kHz 48 kHz 6 5 Function Generatorの設定を51 12 kHzにします下表の出力レベルが得られることを確認します w Fs 39 69 kHz 44 1 kHz 10 Function Generatorの設定を39 69 kHzにします qの検査と同様に行い同様の出力レベルが得られることを確認します WordClockソース種別表示 BNC 許容範囲 67 dBu以下条件 CH2Aを入力150Ωショート CH1A入力レベル 23 dBu AI8 GAIN設定 0 dB Signal LED 点灯消灯入力レベル 8 dBu 13 dBu 許容範囲 50 dBu以下条件...

Page 20: ...6 7 動作モード 1 運用 0 デバック 1 ALL OFF 1 ALL MIN 0 dB 0 ALL ON 0 2 3 4 GAINモード 1 WC Sel モード 1 GAIN モード 1 ファントム GAIN 1 1 1 Int48 kHz 1 1 1 スイープ 2 4 3 2 1 8 CPU 1 ON UNCシート 0 OFF 7 6 5 1 0 1 Int39 kHz 1 0 1 66 dB 0 1 1 Int44 1 kHz 0 1 1 78 dB 0 0 1 OUTPUT A 0 0 1 54 dB 1 1 0 OUTPUT B 1 1 0 48 dB 0 1 0 OUTPUT C 0 1 0 36 dB 0 0 0 no use 0 0 0 12 dB 1 0 0 BNC 1 0 0 18 dB WC WC WC 1 DipSW7がOFF時 WCSel Int48 kHz...

Page 21: ...OW 30 30 24 18 12 6 0 18 12 6 0 12 6 0 LOW LOW HI LOW LOW HI LOW LOW LOW HI LOW LOW HI LOW HI HI HI HI LOW LOW LOW HI LOW LOW LOW LOW LOW LOW 1X 0Y 1Z 1X 0Y 1Z 0X 1Y 1Z 0X 0Y 1Z 1X 0Y 0Z 0X 1Y 0Z 0X 0Y 0Z 0X 0Y 1Z 1X 0Y 0Z 0X 1Y 0Z 0X 0Y 0Z 1X 0Y 0Z 0X 1Y 0Z 0X 0Y 0Z 6 0 0 0 0 0 0 0 0 0 0 0 0 0 74 68 62 56 50 44 38 32 26 20 14 8 2 4 Notation for Circuit Diagrams 回路図表記上の注意 1 How to identify inter s...

Page 22: ...38 38 38 38 38 38 14 14 14 14 14 14 14 HI HI HI HI HI HI HI LOW LOW LOW LOW LOW LOW LOW 0 0 0 0 0 0 0 0 0 0 0 18 18 18 HI HI HI HI HI HI HI HI HI HI HI LOW LOW LOW HI HI LOW LOW HI LOW LOW LOW HI LOW LOW HI LOW LOW 30 30 24 18 12 6 0 18 12 6 0 12 6 0 LOW LOW HI LOW LOW HI LOW LOW LOW HI LOW LOW HI LOW HI HI HI HI LOW LOW LOW HI LOW LOW LOW LOW LOW LOW 1X 0Y 1Z 1X 0Y 1Z 0X 1Y 1Z 0X 0Y 1Z 1X 0Y 0Z 0...

Page 23: ...5 S2 1 5 S8 2 5 S3 2 5 S10 4 5 E6 4 5 E2 4 5 E2 4 5 E3 4 5 I5 4 5 L7 1 5 P12 1 5 P15 1 5 F5 1 5 F10 2 5 F5 2 5 F12 マイラーコンデンサー金属被膜抵抗 Note See parts list for details of circuit board component parts 3 w w w x i a o y u 1 6 3 c o m Q Q 3 7 6 3 1 5 1 5 0 9 9 2 8 9 4 2 9 8 T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 3763...

Page 24: ...6 1 5 M11 1 5 M6 1 5 J12 1 5 J7 1 5 J7 1 5 J7 1 5 J12 1 5 J12 2 5 K7 2 5 K7 2 5 K7 2 5 K14 2 5 K14 2 5 K14 1 5 S8 1 5 S3 2 5 Q10 2 5 Q3 1 5 Q7 1 5 Q2 2 5 S4 2 5 S11 Note See parts list for details of circuit board component parts w w w x i a o y u 1 6 3 c o m Q Q 3 7 6 3 1 5 1 5 0 9 9 2 8 9 4 2 9 8 T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892...

Page 25: ...rror margin 誤差 0 1 Error margin 誤差 0 5 チップ金属被膜抵抗 D Mica Capacitor マイカコン M Ceramic Capacitor セラミックコンデンサーセ to ML4 Soldered 1 HIC HA Note See parts list for details of circuit board component parts w w w x i a o y u 1 6 3 c o m Q Q 3 7 6 3 1 5 1 5 0 9 9 2 8 9 4 2 9 8 T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 37631515...

Page 26: ...アイです LMY4 MLF MIC LINE INPUT CARD A Australian model B British model C Canadian model D German model E European model F French model H North European model I Indonesian model J Japanese model K Korean model Notes DESTINATION ABBREVIATIONS M South African model O Chinese model Q South east Asia model T Taiwan model U U S A model V General export model 110V W General export model 220V N X General e...

Page 27: ...pping Screw B Lens Circuit Board Bonding Head Screw WC401200 VV441000 EP600190 V4238900 WC927200 VS863000 10 20 30 40 50 60 DESCRIPTION REF NO PART NO 部品名 REMARKS QTY RANK New parts RANK Japan only OVERALL ASSEMBLY 総組立 50 30 20 40 60 10 60 www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513...

Page 28: ...tor CH chip Ceramic Capacitor CH chip Electrolytic Cap Ceramic Capacitor B chip Ceramic Capacitor B chip Electrolytic Cap Ceramic Capacitor CH chip Ceramic Capacitor F chip Electrolytic Cap Electrolytic Cap TONEREX Electrolytic Cap Ceramic Capacitor SL chip Ceramic Capacitor CH chip Mylar Capacitor Ceramic Capacitor B chip Ceramic Capacitor B chip Electrolytic Cap Electrolytic Cap Electrolytic Cap...

Page 29: ...B chip Electrolytic Cap Electrolytic Cap Electrolytic Cap Mica Capacitor chip Mica Capacitor chip Electrolytic Cap Electrolytic Cap chip Electrolytic Cap chip Electrolytic Cap TONEREX Ceramic Capacitor F chip Ceramic Capacitor F chip Electrolytic Cap TONEREX Ceramic Capacitor SL chip Ceramic Capacitor CH chip Ceramic Capacitor CH chip Electrolytic Cap Ceramic Capacitor B chip Ceramic Capacitor B c...

Page 30: ...T TC74VHC245FT SN74LV08APWR NJM79L05A T3 XLM 3 31PCV XLM 3 31PCV XLM 3 31PCV XLM 3 31PCV PG1101F TR PG1101F TR PG1101F TR PG1101F TR 100K 1 4 F Electrolytic Cap chip Electrolytic Cap chip Electrolytic Cap chip Electrolytic Cap chip Electrolytic Cap chip Ceramic Capacitor F chip Ceramic Capacitor F chip Receptacle Diode Diode Diode Diode Diode Diode Diode Diode Diode Diode Diode Diode Diode Diode D...

Page 31: ...l Film Resistor chip Carbon Resistor chip Metal Film Resistor chip Metal Film Resistor chip Metal Film Resistor chip Carbon Resistor chip Metal Film Resistor chip Metal Film Resistor chip Carbon Resistor chip Metal Film Resistor chip Metal Film Resistor chip Metal Film Resistor chip Metal Film Resistor chip Metal Film Resistor chip Metal Film Resistor chip Carbon Resistor chip Carbon Resistor chip...

Page 32: ...ip Metal Film Resistor chip Metal Film Resistor chip Metal Film Resistor chip Carbon Resistor chip Carbon Resistor chip Metal Film Resistor chip Metal Film Resistor chip Metal Film Resistor chip Metal Film Resistor Metal Film Resistor Metal Film Resistor Flame Proof C Resistor Carbon Resistor chip Carbon Resistor chip Carbon Resistor chip Carbon Resistor chip Metal Film Resistor chip Metal Film Re...

Page 33: ...Metal Film Resistor chip Carbon Resistor chip Metal Film Resistor chip Metal Film Resistor chip Carbon Resistor chip Metal Film Resistor chip Metal Film Resistor chip Metal Film Resistor chip Carbon Resistor chip Metal Film Resistor chip Metal Film Resistor chip Carbon Resistor chip Metal Film Resistor chip Metal Film Resistor chip Metal Film Resistor chip Metal Film Resistor chip Metal Film Resis...

Page 34: ...Poly Switch Poly Switch Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Trimmer Potentiometer Trimmer Potentiometer Trimmer Potentiometer Trimmer Potentiometer Zener Diode Zener Diode ...

Page 35: ...stor chip Carbon Resistor chip V8591700 WA025700 WA025700 RD254390 R116 R117 R118 R119 DESCRIPTION REF NO PART NO 部品名 REMARKS QTY RANK New parts RANK Japan only www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

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