Yamaha-SB-168-ES-Service-Manual电路原理图.pdf

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1、SERVICE MANUAL HAMAMATSU, JAPAN SERVICE MANUAL 200901- PA011934 Copyright (c) Yamaha Corporation. All rights reserved. PDF ESSENTIALS OF ORDER ON THE COLLECTION OF BATTERIES. Please refer to the diassembly procedure for the removal of Back-up Battery. Leest u voor het verwijderen van de backup batte

2、rij deze beschrijving. 電池取扱 注意 電池誤交換爆発危険。交換場合、指定部品使用 。 3 SB168-ES WARNING Components having special characteristics are marked and must be replaced with parts having specifi cation equal to those originally installed. IMPORTANT NOTICE FOR THE UNITED KINGDOM Connecting the Plug and Cord WARNING: THIS

3、 APPARATUS MUST BE EARTHED IMPORTANT. The wires in this mains lead are coloured in accordance with the following code: GREEN-AND-YELLOW : EARTH BLUE : NEUTRAL BROWN : LIVE As the colours of the wires in the mains lead of this apparatus may not correspond with the coloured markings identifying the te

4、rminals in your plug proceed as follows: The wire which is coloured GREEN-and-YELLOW must be connected to the terminal in the plug which is marked by the letter E or by the safety earth symbol or colored GREEN or GREEN-and-YELLOW. The wire which is coloured BLUE must be connected to the terminal whi

5、ch is marked with the letter N or coloured BLACK. The wire which is coloured BROWN must be connected to the terminal which is marked with the letter L or coloured RED. This applies only to products distributed by Yamaha Music U.K. Ltd. (3 wires) 印部品、安全維持重要部品。交換場合、安全必指定部品使用。 SB168-ES 4 SPECIFICATIONS

6、(総合仕様) General Specifi cation(一般仕様) Input/Output Characteristics(入出力特性) Analog Input Characteristics *1. XLR-3-31 type connectors are balanced. (1=GND, 2=HOT, 3=COLD) * In these specifi cations, when dBu represents a specifi c voltage, 0 dBu is referenced to 0.775 Vrms. *AD converters are 24-bit lin

7、ear, 128-times oversampling. Analog Output Characteristics *1. XLR-3-32 type connectors are balanced. (1=GND, 2=HOT, 3=COLD) * In these specifi cations, when dBu represents a specifi c voltage, 0 dBu is referenced to 0.775 Vrms. *DA converters are 24-bit, 128-times oversampling. Digital Input/Output

8、 Characteristics *1. Use a RJ-45 connector compliant with Neutrik EtherCon *Use a CAT5e STP (Shielded Twisted Pair) cable compliant with EtherSound. *Use electrically conductive tape to securely connect the metal part of the connector with the shielded part of the cable in order to prevent electroma

9、gnetic interference. * An EtherSound certifi ed cable is recommended. Maximum length available depends on each cable specifi cation. Control I/O Characteristics *A CAT5e STP (Shielded Twisted Pair) cable is recommended. Maximum length is 100 m. Power Requirements65 W Dimensions480 x 350 x 132 mm (W

10、x D x H) NetWeight8 kg Temperature Range Operation free-air : 0 C to +40 C Storage : -20 C to +60 C AC Cable Length250 cm AccessoriesOwners Manual, AC Cable Input Terminals GAIN Actual Load Impedance For UseWith Nominal Input Level Connector NominalMax. before clip INPUT 116 -62 dB 3 k 50600 Mics eq

11、uivalent to a 20 kHz fi lter with infi nite dB/octave attenuation. Dynamic RangeFs= 44.1 kHz or 48 kHz * Dynamic Range is measured with a 6 dB/octave fi lter 12.7 kHz; equivalent to a 20 kHz fi lter with infi nite dB/octave attenuation. Crosstalk 1 kHzFs= 44.1 kHz or 48 kHz PhantomVoltage Sampling F

12、requency InputOutputRLConditionsMin.Typ.Max.Unit INPUT 116OUTPUT 18600 GAIN: +10dB-1.500.5dB InputOutputRLConditionsMin.Typ.Max.Unit INPUT 116OUTPUT 18600 Input level: -62 dBu, GAIN: -62dB Output level +4.0 dBu (Typ.) -202 dB Input level: +10 dBu, GAIN: +10dB Output level +4.0 dBu (Typ.) -202 InputO

13、utputRLConditionsMin.Typ.Max.Unit INPUT 116OUTPUT 18600 0.1+4 dBu20 Hz 20 kHz, GAIN: -62dB % 0.05+4 dBu20 Hz 20 kHz, GAIN: -10dB InputOutputRLConditionsMin.Typ.Max.Unit INPUT 116OUTPUT 18600 Rs=150 , GAIN: -62 dB -128 EIN dBu -62 Rs=150 , GAIN: -10 dB-80-84 InputOutputRLConditionsMin.Typ.Max.Unit IN

14、PUT 116OUTPUT 18600 dB108GAIN: +10 dB From/ToTo/FromConditionsMin.Typ.Max.Unit INPUT NINPUT (N-1) or (N+1) INPUT 116, adjacent inputs, GAIN: +10dB -80 dB -80OUTPUT 18, input to outputOUTPUT (N-1) or (N+1)OUTPUT N OutputConditionsMin.Typ.Max.Unit V504846hot & cold: No loadINPUT 116 ParameterCondition

15、sMin.Typ.Max.Unit kHz49.2043.00Frequency RangeExternal Clock Internal Clock Frequency48kHz Accuracy50ppm SB168-ES 6 PANEL LAYOUT() q INPUT 116 Connectors w +48V Indicators e SIG Indicators r PEAK Indicators t EtherSound IN/OUT Connectors y IN/OUT TX/RX Indicators u DIP Switches 18 i +48V MASTER Swit

16、ch o Power Indicator !0 POWER Switch !1 OUTPUT 18 Connectors ? ? ? ? Front Panel() q INPUT()1 16 端子 w +48V e SIG() r PEAK() t EtherSound IN/OUT 端子 y IN/OUT TX/RX u 1 8 i +48V MASTER (+48V ) o 電源 !0 POWER !1 OUTPUT () 1 8 端子 ? ? q Earth Screw w AC IN Socket e NETWORK Connector r FAN Switch q 用 q AC I

17、N 端子 q NETWORK 端子 q FAN Rear Panel() 7 SB168-ES DIMENSIONS(寸法図) 480 350 132 359.7 5.7 10 142 (4) Unit(単位): mm SB168-ES 8 CIRCUIT BOARD LAYOUT() REAR PANEL (印刷品) FRONT PANEL () DM DC FRONT PANEL () (ch 1-8) (ch 9-16) PSSW DAHAAD2 LD2 LD1HAAD2ES Front View(前面見図) Top View (上面見図上段 ) 9 SB168-ES REAR PANE

18、L (印刷品) FRONT PANEL () ES LD1 HAAD2 (CH1-8) PS SW REAR PANEL (印刷品) FRONT PANEL () LD2 HAAD2 DA (CH9-16) POWER SUPPLY UNIT (電源) Top View (上面見図中段 ) Top View (上面見図下段 ) SB168-ES 10 Fig. 1 (図 1) 1160: BIND HEAD SCREW 4X8 (小) 4.0X8 MFZN2B3 IT (WE99710R) 1160 RACK ANGLE () RACK ANGLE () 1160 DISASSEMBLY PR

19、OCEDURE(分解手順) 1. Top Cover (Time required: About 4 minutes) 1-1 Remove the eight (8) screws marked 1160. The right and left rack angle can then be removed. (Fig. 1) 1-2 Remove the eighteen (18) screws marked 1110. The top cover can then be removed. (Fig. 2, Fig. 3) 1. (所要時間:約 4 分) 1-1 1160 8 本外、左右 外

20、。 (図 1) 1-2 1110 18 本外、外 。 (図 2、図 3) Photo 1(写真 1) Precautions(注意事項) * Notes on Flat Cable Contacts are visible from the back. Pay attention not to insert and install the cable to the connector inversely. (Photo 1) Front Side(表面)Back Side(裏面) 注意 接点裏面透見。 表裏逆差込注意取付 。 (写真 1) 11 SB168-ES 1110 1110 1110

21、TOP COVER () Fig. 2 (図 2) 1110: BIND HEAD TAPPING SCREW-S ()3.0X6 MFZN2B3 (WE87780R) 111011101110 1110 TOP COVER () 1110 Back view Fig. 3 (図 3) 1110: BIND HEAD TAPPING SCREW-S ()3.0X6 MFZN2B3 (WE87780R) SB168-ES 12 Top view Back view 980 970640 910910 DM DC 980 AC INLET ASSEMBLY (Ass y) DM LITHIUM B

22、ATTERY(電池) Battery VN103500 VN103600(Battery holder for VN103500) Notice for back-up battery removal Push the battery as shown in figure, then the battery will pop up. Druk de batterij naar beneden zoals aangeven in de tekening de batterij springt dan naar voren. Battery Battery holder AC INLET ASSE

23、MBLY (Ass y) 650 Fig. 4 (図 4) 640: BIND HEAD B-TIGHT SCREW () 3.0X8 MFZN2B3 (WE774400) 650: BIND HEAD TAPPING SCREW-S ()4.0X8 MFZN2B3 (WE99480R) 910: BIND HEAD TAPPING SCREW-S ()3.0X6 MFZN2B3 (WE87780R) 970: BIND HEAD TAPPING SCREW-S ()3.0X6 MFZN2B3 (WE87780R) 980: BIND HEAD TAPPING SCREW-S ()3.0X6

24、MFZN2B3 (WE87780R) 2. DM Circuit Board (Time required: About 6 minutes) 2-1 Remove the top cover. (See procedure 1.) 2-2 Remove the two (2) screws marked 970 and six (6) screws marked 980. The DM circuit board can then be removed. (Fig. 4) 2. DM (所要時間:約 6 分) 2-1 外。 (1 項参照) 2-2 970 2 本 980 6 本外、 DM 外

25、。 (図 4) 13 SB168-ES 3. Replacing the Lithium Battery (Time required: About 6 minutes) 3-1 Remove the top cover. (See procedure 1.) 3-2 Replace the lithium battery on the DM circuit board. (Fig. 4) * The lithium battery is not part of the DM circuit board. When replacing the DM circuit board, remove

26、the lithium battery from the circuit board and install it on the new circuit board. (Fig. 4) * Refer to the section “HOW TO BACKUP SB168-ES DATA” before replacing the lithium battery. (See page 78) 4. DC Circuit Board (Time required: About 5 minutes) 4-1 Remove the top cover. (See procedure 1.) 4-2

27、Remove the six (6) screws marked 910. The DC circuit board can then be removed. (Fig. 4) 5. ES Circuit Board (Time required: About 6 minutes) 5-1 Remove the top cover. (See procedure 1.) 5-2 Remove the DC circuit board. (See procedure 4.) 5-3 Remove the two (2) screws marked 820 and four (4) screws

28、marked 830. The ES circuit board can then be removed. (Fig. 5) 6. SW Circuit Board (Time required: About 5 minutes) 6-1 Remove the top cover. (See procedure 1.) 6-2 Remove the two (2) screws marked 200. The SW circuit board can then be removed. (Fig. 5) 7. PS Circuit Board (Time required: About 5 mi

29、nutes) 7-1 Remove the top cover. (See procedure 1.) 7-2 Remove the two (2) screws marked 160. (Fig. 5) 7-3 Pull the PS circuit board toward the rear side to remove it. (Fig. 5) The PS circuit board and the power switch knob will be separated then. 8. AC Inlet Assembly (Time required: About 5 minutes

30、) 8-1 Remove the top cover. (See procedure 1.) 8-2 Remove the two (2) screws marked 640 and the screw marked 650. The AC inlet assembly can then be removed. (Fig. 4) 3. 電池交換(所要時間:約 6 分) 3-1 外。 (1 項参照) 3-2 DM 上、電池交換 。 (図 4) 電池、DM 構成部品。 DM 交換際、本体 電池取外、新取付 。 (図 4) 電池交換行、 本体 方法項参照。 (79 参 照) 4. DC (所要時間:

31、約 5 分) 4-1 外。 (1 項参照) 4-2 910 6 本外、 DC 外。 (図 4) 5. ES (所要時間:約 6 分) 5-1 外。 (1 項参照) 5-2 DC 外。 (4 項参照) 5-3 820 2 本 830 4 本外、 ES 外。 (図 5) 6. SW (所要時間:約 5 分) 6-1 外。 (1 項参照) 6-2 200 2 本外、 SW 外。 (図 5) 7. PS (所要時間:約 5 分) 7-1 外。 (1 項参照) 7-2 160 2 本外。 (図 5) 7-3 PS 側引外。 (図 5) PS PSW 分離。 8. Ass y(所要時間:約 5 分) 8-

32、1 外。 (1 項参照) 8-2 640 2 本 650 1 本外、 Ass y 外。 (図 4) SB168-ES 14 160: BIND HEAD TAPPING SCREW-S () 3.0X6 MFZN2B3 (WE87780R) 200: BIND HEAD TAPPING SCREW-S () 3.0X6 MFZN2B3 (WE87780R) 760: BIND HEAD TAPPING SCREW-S () 3.0X6 MFZN2B3 (WE87780R) 820: BIND HEAD TAPPING SCREW-S () 3.0X6 MFZN2B3 (WE87780R) 83

33、0: SCREW TP #B +BOND () 3.0X8 MFZN2B3 (WE774100) Fig. 5 (図 5) Top view Front view 820 ES 200760760760 760760 830ES SWPS SW PS POWER SWITCH KNOB (PSW) SHEET SUPPORT () 160 PS 9. Sheet Support (Time required: About 9 minutes) 9-1 Remove the top cover. (See procedure 1.) 9-2 Remove the DM circuit board

34、. (See procedure 2.) 9-3 Remove the DC circuit board. (See procedure 4.) 9-4 Remove the ES circuit board. (See procedure 5.) 9-5 Remove the six (6) screws marked 760. The sheet support can then be removed. (Fig. 5) 9. (所要時間:約 9 分) 9-1 外。 (1 項参照) 9-2 DM 外。 (2 項参照) 9-3 DC 外。 (4 項参照) 9-4 ES 外。 (5 項参照)

35、9-5 760 6 本外、外 。 (図 5) 15 SB168-ES Fig. 6 (図 6) 410: SCREW TP #B +BOND () 3.0X8 MFZN2B3 (WE774100) 420: BIND HEAD TAPPING SCREW-S () 3.0X6 MFZN2B3 (WE87780R) 470: BIND HEAD TAPPING SCREW-S () 3.0X6 MFZN2B3 (WE87780R) 510: SCREW TP #B +BOND () 3.0X8 MFZN2B3 (WE774100) 520: BIND HEAD TAPPING SCREW-S (

36、) 3.0X6 MFZN2B3 (WE87780R) 570: SPACER HEXAGON (六角) L=45 (WP898900) Top view Front view DA HAAD2 (ch 1 ch 8) 510 DA 520, 570 520 420 410 470470 HAAD2 (ch 1 ch 8) LD1 LD1 10. DA Circuit Board (Time required: About 12 minutes) 10-1 Remove the sheet support. (See procedure 9.) 10-2 Remove the sixteen (

37、16) screws marked 510, two (2) screws marked 520 and two (2) spacer hexagon marked 570. The DA circuit board can then be removed. (Fig. 6) 11. HAAD2 Circuit Board (ch 1 ch 8) (Time required: About 12 minutes) 11-1 Remove the sheet support. (See procedure 9.) 11-2 Remove the sixteen (16) screws marke

38、d 410 and two (2) screws marked 420. The HAAD2 circuit board (ch 1 ch 8) can then be removed. (Fig. 6) 10. DA (所要時間:約 12 分) 10-1 外。 (9 項参照) 10-2 510 16 本 520 2 本、570 六 角2本外、 DA外。 (図 6) 11. HAAD2 (ch 1 ch 8) (所要時間:約 12 分) 11-1 外。 (9 項参照) 11-2 410 16 本 420 2 本外、 HAAD2 (ch 1 ch 8)外。 (図 6) SB168-ES 16 T

39、op view Front view DA HAAD2 (ch 9 ch 16) DA 320 310 7070 370370 HAAD2 (ch 9 ch 16) LD2 LD2 POWER SUPPLY UNIT (電源) DC FAN MOTOR (DC) Fig. 7 (図 7) 70: BIND HEAD TAPPING SCREW-S () 3.0X6 MFZN2W3 (WH673900) 310: SCREW TP #B +BOND () 3.0X8 MFZN2B3 (WE774100) 320: SPACER HEXAGON (六角) L=45 (WP898900) 370:

40、BIND HEAD TAPPING SCREW-S () 3.0X6 MFZN2B3 (WE87780R) 12. HAAD2 Circuit Board (ch 9 ch 16) (Time required: About 15 minutes) 12-1 Remove the sheet support. (See procedure 9.) 12-2 Remove the HAAD2 circuit board (ch 1 ch 8). (See procedure 11.) 12-3 Remove the sixteen (16) screws marked 310 and two (

41、2) spacer hexagon marked 320. The HAAD2 circuit board (ch 9 ch 16) can then be removed. (Fig. 7) 12. HAAD2 (ch 9 ch 16) (所要時間:約 15 分) 12-1 外。 (9 項参照) 12-2 HAAD2 (ch 1 ch 8)外。 (11 項参照) 12-3 310 16 本 320 六角 2 本 外、HAAD2 (ch 9 ch 16)外 。 (図 7) 17 SB168-ES Photo 2 (写真 2) 13. LD1 Circuit Board, LD2 Circuit

42、 Board, LED Lens * Installation position can be reversed and there is no problem if the positions of the LD1 circuit board and the LD2 circuit board are opposite. This document describes an example that the LD1 circuit board is installed over the LD2 circuit board. 13-1 Remove the sheet support. (Se

43、e procedure 9.) 13-2 LD1 Circuit Board, LED Lens (ch 1 ch 8) (Time required: About 9 minutes) 13-2-1 Remove the three (3) screws marked 470. The LD1 circuit board can then be removed. (Fig. 6) 13-2-2 Remove the LED lens (ch 1 ch 8). (Photo 2) 13-3 LD2 Circuit Board, LED Lens (ch 9 ch 16) (Time requi

44、red: About 12 minutes) 13-3-1 Remove the HAAD2 circuit board (ch 1 ch 8). (See procedure 11.) 13-3-2 Remove the three (3) screws marked 370. The LD2 circuit board can then be removed. (Fig. 7) 13-3-3 Remove the LED lens (ch 9 ch 16). (Photo 2) * When installing the LD1 circuit board and LD2 circuit

45、board, install with the boss of the LED lens inserted into the hole of the circuit boards. (Photo 2) 14. Power Supply Unit (Time required: About 9 minutes) 14-1 Remove the sheet support. (See procedure 9.) 14-2 Remove the four (4) screws marked 70. The power supply unit can then be removed. (Fig. 7)

46、 LED LENS (ch 1 ch 8) (LED) Angular portion (角部) LED LENS (ch 9 ch 16) (LED) 13. LD1 、LD2 、LED LD1 LD2 取付位置逆問題 。 LD1 上、説明。 13-1 外。 (9 項参照) 13-2 LD1 、LED (ch 1 ch 8) (所要時間:約 9 分) 13-2-1 4703本外、 LD1外。 (図 6) 13-2-2 LED (ch 1 ch 8)外。 (写真 2) 13-3 LD2 、LED (ch 9 ch 16) (所要時間:約 12 分) 13-3-1 HAAD2 (ch 1 ch

47、8)外。 (11 項参照) 13-3-2 3703本外、 LD2外。 (図 7) 13-3-3 LED (ch 9 ch 16)外。 (写真 2) LD1 LD2 取付時、LED 穴取付 。 (写真 2) 14. 電源(所要時間:約 9 分) 14-1 外。 (9 項参照) 14-2 70 4 本外、電源外 。 (図 7) SB168-ES 18 Back view 700 DC FAN MOTOR (DC) Fig. 8 (図 8) 700: BIND HEAD SCREW (小) 4.0X35 MFZN2B3 SP (WE99920R) 15. DC Fan Motor (Time req

48、uired: About 9 minutes) 15-1 Remove the sheet support. (See procedure 9.) 15-2 Remove the four (4) screws marked 700. The DC fan motor can then be removed. (Fig. 7, Fig. 8) 15. DC (所要時間:約 9 分) 15-1 外。 (9 項参照) 15-2 700 4 本外、DC 外。 (図 7、図 8) 19 SB168-ES LSI PIN DESCRIPTION(LSI 端子機能表) AK4393VF-E2 (XW029A0R) DAC (Digital to Analog Converter) .26 AK5385BVF-E2 (X5364B00) ADC (Analog to Digital Converter) .26 DM9000AEP (X7029A00) LAN CONTROLLER .25 LC4064V-75TN100C (X8955A00) CPLD (Complex Programmable Logic Device) .22 M38034M4H-2

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