Yamaha-BBT500H-ba-sm 电路图 维修手册.pdf

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1、SERVICE MANUAL GA 011757 HAMAMATSU, JAPAN Copyright (c) Yamaha Corporation. All rights reserved. PDF- K7301 04.12 20041220-89000 CONTENTS SPECIFICATIONS. 3/4 PANEL LAYOUT. 5 DISASSEMBLY PROCEDURE. 7 LSI PIN DESCRIPTION. 13 IC BLOCK DIAGRAM. 16 CIRCUIT BOARDS. 18 TEST PROGRAM AND INSPECTIONS . 32/36

2、ERROR MESSAGE. 40 MIDI IMPLEMENTATION CHART . 41 PARTS LIST BLOCK DIAGRAM OVERALL CIRCUIT DIAGRAM BASS AMPLIFIER （目次） （総合仕様） （） （分解手順） （LSI端子機能表） （IC図） （基板図） （検査） () （） （） （総回路図） RadioFans.CN 收音机爱 好者资料库 2 BBT500H WARNING: CHEMICAL CONTENT NOTICE! The solder used in the production of this product con

3、tains LEAD. In addition, other electrical/electronic and/or plastic (Where applicable) components may also contain traces of chemicals found by the California Health and Welfare Agency (and possibly other entities) to cause cancer and/or birth defects or other reproductive harm. DO NOT PLACE SOLDER,

4、 ELECTRICAL/ELECTRONIC OR PLASTIC COMPONENTS IN YOUR MOUTH FOR ANY REASON WHAT SO EVER! Avoid prolonged, unprotected contact between solder and your skin! When soldering, do not inhale solder fumes or expose eyes to solder/flux vapor! If you come in contact with solder or components located inside t

5、he enclosure of this product, wash your hands before handling food. IMPORTANT NOTICE This manual has been provided for the use of authorized Yamaha Retailers and their service personnel. It has been assumed that basic service procedures inherent to the industry, and more specifically Yamaha Products

6、, are already known and under- stood by the users, and have therefore not been restated. WARNING :Failure to follow appropriate service and safety procedures when servicing this product may result in per- sonal injury, destruction of expensive components and failure of the product to perform as spec

7、ified. For these reasons, we advise all Yamaha product owners that all service required should be performed by an authorized Yamaha Retailer or the appointed service representative. IMPORTANT :This presentation or sale of this manual to any individual or firm does not constitute authorization certif

8、i- cation, recognition of any applicable technical capabilities, or establish a principal-agent relationship of any form. The data provided is belived to be accurate and applicable to the unit(s) indicated on the cover. The research engineering, and service departments of Yamaha are continually stri

9、ving to improve Yamaha products. Modifications are, therefore, inevitable and changes in specification are subject to change without notice or obligation to retrofit. Should any discrepancy appear to exist, please contact the distributors Service Division. WARNING :Static discharges can destroy expe

10、nsive 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 disassembly and parts replacement. Recheck all work before you apply power to the u

11、nit. Components having special characteristics are marked and must be replaced with parts having specification equal to those originally installed. WARNING 印商品、安全維持重要部品。交換場合、安全必指定部品使用。 IMPORTANT NOTICE FOR THE UNITED KINGDOM Connecting the Plug and Cord WARNING: THIS APPARATUS MUST BE EARTHED IMPORT

12、ANT. 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 terminals in your plug proceed as foll

13、ows: 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 which is marked with the letter N or co

14、loured BLACK. The wire which is coloured BROWN must be connected to the terminal which is marked with the letter L or coloured RED. RadioFans.CN 收音机爱 好者资料库 BBT500H 3 Power Amplifier Section Class-D power amplifier circuitry Output 500W/2 Preamplifier Section All digital signal processing Sound Type:

15、 11 Presets 5-Band Semi Parametric Tone Controls (Variable Frequencies) Parametric Equalizer (PEQ, F, G, Q) Effect Section CompressorRATIO, THRSLD, ATTACK, RELEASE, C. GAIN, KNEE LimiterON/OFF (SPEAKER, LINE OUT) Noise GateN. GATE Crossover FilterLPF/HPF, Cutoff Frequency Speaker SimulatorON/LINE/OF

16、F (SPEAKER, LINE OUT) Effect Loop Monaural Send/Return, Level Switch (-20dB/+4dB), Effect Blend Control User Memory 5 User Memory (Sound Type, Amp Settings, Compressor, Effect Blend) MIDI Functions ReceiveProgram Change, Control Change, Bulk In TransmitBulk Out, Merge Out Controllers/Switches Front

17、PanelControl Knobs x 11, Push Switches x 7 Rear PanelControl Knob x1, Slide Switches x4 Displays Push Switch LED x5 Sound Type LED x11 7-Segment LED x3 Digit Input Level LED x2 (Green, Red) Connections INPUT: Standard Monaural Phone Jack SPEAKER 1, 2: Standard Monaural Phone Jack PHONES: Standard St

18、ereo Phone Jack LINE OUT (UNBALANCED OUT): Standard Monaural Phone Jack LINE OUT (BALANCED OUT): XLR Jack FX LOOP (SEND/RETURN): Standard Monaural Phone Jack TUNER OUT: Standard Monaural Phone Jack MIDI IN, MIDI OUT: 5-pin DIN jack A/D Conversion 24 bit D/A Conversion 24 bit Sampling Frequency 48kHz

19、 Input Level/Impedance INPUT: -37dBm (thru)/1M FX LOOP RETURN: -20dBm/220k , +4dBm/220k Output Level/Impedance SPEAKER (BRIDGED OUT): 500W RMS/2 , 250W RMS/4 LINE OUT (UNBALANCED OUT): +4dBm/10k LINE OUT (BALANCED OUT): +4dBm/600 FX LOOP SEND: -20dBm/100k , +4dBm/100k Power Requirements U.S. and Can

20、adian models : 120V, 60Hz General model : 230V, 50-60Hz Power Consumption 130W Dimensions (W x H x D) 378 x 88 x 265 mm (14-7/8” x 3-7-16” x 10-7/16”) Weight U.S. and Canadian models : 4.7 kg (10 lbs. 6 oz) General model : 5.2 kg (11 lbs. 7 oz) Accessories Power Cable Rack Mount Adaptors X2 Rack Mou

21、nt Adaptor Screws X6 Owners Manual Clamp Filters X3 (U.S. and Canadian models only) SPECIFICATIONS RadioFans.CN 收音机爱 好者资料库 4 BBT500H 入力/ INPUT : 37 dBm （） /1 M FX LOOP RETURN : -20 dBm/220 k, +4 dBm/220 k 出力/ SPEAKER (BRIDGED OUT) : 500W RMS/2 , 250W RMS/4 LINE OUT (UNBALANCED OUT) : +4 dBm/10 k LIN

22、E OUT (BALANCED OUT) : +4 dBm/600 FX LOOP SEND : -20 dBm/100 k, +4 dBm/100 k 電源AC 100V, 50/60Hz 消費電力130 W 寸法（W x H x D） 378 x 88 x 265 mm 重量5.2 kg 付属品電源 x2 取付 x6 取扱説明書 総合仕様 部Class-D 回路 出力500 W/2 部完全 11 5 （周波数可変） （PEQ F, G, Q） 部 RATIO, THRSLD, ATTACK, RELEASE, C.GAIN, KNEE ON/OFF (SPEAKER, LINE OUT)

23、N. GATE LPF/HPF, Cutoff Frequency ON/LINE/OFF (SPEAKER, LINE OUT) 、 （-20 dB/+4 dB） 、 5 （、 設定、 、 ） MIDI機能受信Program Change, Control Change, Bulk In 送信Bulk Out, Merge Out / x11、 x7 x1、 x4 表示LED x5 LED x11 7LED x3 入力LED x2 （緑, 赤） 接続端子INPUT : 標準 SPEAKER 1, 2 : 標準 PHONES : 標準 LINE OUT (UNBALANCED OUT) : 標

24、準 LINE OUT (BALANCED OUT) : FX LOOP (SEND/RETUEN : 標準 TUNER OUT : 標準 MIDI IN, MIDI OUT : 5 pin DIN A/D24 bit D/A24 bit 周波数 48 kHz BBT500H 5 PANEL LAYOUT（） !0 qwertyuio !1!2!3 FRONT PANEL() q 電源（POWER） w 入力端子（INPUT） e 入力（INPUT LEVEL） r （SOUND TYPE） t （COMP） y （GAIN） u （MASTER） i (BASS, LOW MID, MIDDL

25、E, HIGH MID, TREBLE) o 出力（OUTPUT） !0 （MANUAL） !1 （15） !2 !3 （FUNCTION） q Power Switch w Input Jack (INPUT) e Input Level Volume (INPUT LEVEL) r Sound Type Select Switch (SOUND TYPE) t Compressor Volume (COMP) y Gain Volume (GAIN) u Master Volume (MASTER) i Tone Controls (BASS, LOW MID, MIDDLE, HIGH

26、MID, TREBLE) o Output Volume Level (OUTPUT) !0 Manual Switch (MANUAL) !1 Memory Switches (1-5) !2 Display !3 Function Switch (FUNCTION) 6 BBT500H !4!5!6!7!8!9012 4 3 5 !4 Tuner Output (TUNER OUT) !5 Effect Loop (FX LOOP) Effect Send Jack (SEND) Effect Return Jack (RETURN) Effect Loop Level Switch (L

27、EVEL) !6 Headphones Jack (PHONES) !7 Headphones/Line Out Level Control (LEVEL) !8 Line Out Jack (UNBALANCED OUT, BALANCED OUT) !9 Line Out Source Switch (LINE SOURCE: THRU/PRE EQ/POST EQ) 0 Speaker Simulator Switch (SP SIM: OFF/LINE/ON) 1 Output Limiter Switch (OUTPUT LIMITER: ON/OFF) 2 MIDI OUT Jac

28、k 3 MIDI IN Jack 4 Speaker Jacks (SPEAKER 1, 2) 5 Power Connector (AC IN) !4 出力端子（TUNER OUT） !5 （FX LOOP） 端子（SEND） 端子（RETURN） （LEVEL） !6 端子（PHONES） !7 / （LEVEL） !8 端子 （UNBALANCED OUT, BALANCED OUT） !9 （LINE SOURCE : THRU/PRE EQ/POST EQ） 0 （SP SIM : OFF/LINE/ON） 1 （OUTPUT LIMITER : OFF/ON） 2 MIDI OUT

29、 端子 3 MIDI IN 端子 4 端子（SPEAKER 1, 2） 5 電源（AC IN） REAR PANEL() BBT500H 7 1.Top Cover (Time required: About 4 minutes) 1-1.Remove the two (2) screws marked 110. The side pad can then be removed. (Fig. 1) 1-2.Remove the four (4) screws marked 60a and the two (2) screws marked 70 (Fig. 1) *Remove the par

30、ts on the other side in the same way. 1-3.Remove the six (6) screws marked 60b and the five (5) screws marked 80. (Fig. 2) 1-4.Remove the top cover. (Fig. 2) 1. (所要時間: 約 4 分) 1-11102本外、外。 (図 1) 1-260a4 本、 702本外。 (図 1) 反対側同様外。 1-360b6 本、 805 本外。 (図 2) 1-4外。 (図 2) Side ViewTop View (小) DISASSEMBLY PRO

31、CEDURE 2. Assy (所要時間: 約5分) 2-1外。 (1項参照) 2-260c3本外、 Assy外。 (図 3) 60:Bind Head Tapping Screw-B 3.0 x6 MFZN2BL (EP600230) 70:Bind Head Screw 4.0 x6 MFZN2BL (EG340340) 110: Bind Head Screw 4.0 x16 MFZN2BL (EG340110) (B) Fig.1 （図1） 60:Bind Head Tapping Screw-B 3.0 x6 MFZN2BL (EP600230) (B) 80:Bind Head S

32、crew 3.0 x8 MFZN2BL (VA295800) (小) 110 Side Pad() 70 60a (小) 80 60b Top Cover () 60b60b Fig.2 （図2） 60c Front Assembly(Assy) Fig.3 （図3） 60:Bind Head Tapping Screw-B 3.0 x6 MFZN2BL (EP600230) (B) Bottom View 2.Front Assembly (Time required: About 5 minutes) 2-1.Remove the top cover. (See procedure 1.)

33、 2-2.Remove the three (3) screws marked 60c. The front assembly can then be removed. (Fig. 3) （分解手順） 8 BBT500H 4.DM基板(1/2) (所要時間: 約5 分) 4-1A引抜外。 (写真 1) 4-2外。 (1項参照) 4-3C170、 C200及A六角外。 (図 5) 4-4C1604 本外、DM基板(1/2)外 。 (図 5) KnobA(A) Photo.1 （写真1） Rear View Fig.5 （図5） C160: Bind Head Tapping Screw-P 3.

34、0X6 MFZN2BL(VA819100) C170: Hexagonal Nut9.0 12X2 MFNI33 (LX200060) C200: Hexagonal Nut12.0 MFNI33 (ES200210) (P) (特殊六角) (特殊六角) A C170 C200 C160 DM(1/2) C200A Rear View Top View 3.電源 (所要時間: 約5 分) 3-1外。 (1項参照) 3-2Assy 外(2項参照) 3-3電源押、 電源外。 （図4） PUSH （押） Power switch(電源) Fig.4 （図4） 3.Power Switch (Time

35、 required: About 5 minutes) 3-1.Remove the top cover. (See procedure 1.) 3-2.Remove the front assembly. (See procedure 2.) 3-3.Pressing the power switch claws, remove the power switch from the front panel. (Fig.4) 4.DM Circuit Board (1/2) (Time required: About 5 minutes) 4-1.Remove the knob A by pul

36、ling it off. (Photo.1) 4-2.Remove the top cover. (See procedure 1.) 4-3.Remove the hexagonal nuts marked C170, C200, and A. (Fig. 5) 4-4.Remove the four (4) screws marked C160. The DM circuit board can then be removed. (Fig. 5) BBT500H 9 Front View 6.PN 基板 (所要時間: 約9 分) 6-113010個引抜外。 (写真4) 6-2六角10個外。

37、 (写真 4) 6-3外。 (1項参照) 6-4Assy 外。 (2項参照) 6-5F806本外、PN 基板外。 (図 7) Fig.6（図6） F120: Hexagonal Nut9.0 MFNI33 (LX200060) F130: Flat Washer9X14 0.5 FNM3 (VL802300) F140: Insulation NutGA/BA (V3630000) (特殊六角) Hexagonal Nut （六角） Photo.2（写真2） Front DM (2/2) Earth Cable (線) 80 150 Earth Cable (線) 150 Photo.3 （写

38、真3） 80:Bind Head Screw3.0X8 MFZN2BL (VA295800) (小) 5.DM 基板(2/2)(所要時間: 約6 分) 5-1F120六角、 F130F140 絶縁外。 (図 6) 5-2B引抜外。 (図 6) 5-3六角外。 (写真 2) 5-4外。 (1項参照) 5-5Assy 外(2項参照) 5-6150六角80外、線 外。 (写真3) 5-7DM 基板(2/2)外。 (写真 3) F120F130F140 KnobB (B) 150: Hexagonal Nut#2 3.0 MFZN2Y (ES200020)(六角) 5.DM Circuit Board

39、 (2/2) (Time required: About 6 minutes) 5-1.Remove the Hexagonal nut marked F120, the Flat washer marked F130 and the Insulation nut marked F140. (Fig. 6) 5-2.Remove the knob B by pulling it off. (Fig. 6) 5-3.Remove the hexagonal nut. (Photo.2) 5-4.Remove the top cover. (See procedure 1.) 5-5.Remove

40、 the front assembly. (See procedure 2.) 5-6.Remove the hexagonal nut marked 150 and the screw marked 80. The earth cable can then be removed. (Photo.3) 5-7.Remove the DM circuit board (2/2). (Photo.3) (特殊平座金) (絶縁) 6.PN Circuit Board (Time required: About 9 minutes) 6-1.Remove the ten (10) knobs mark

41、ed 130. (Photo.4) 6-2.Remove the ten (10) hexagonal nuts. (Photo.4) 6-3.Remove the top cover. (See procedure 1.) 6-4.Remove the front assembly. (See procedure 2.) 6-5.Remove the six (6) screws marked F80. The PN circuit board can then be removed. (Fig. 7) 10 BBT500H 7.PW基板 (所要時間: 約10分) 7-1外。 (1項参照)

42、7-2Assy 外。 (2項参照) 7-3DM基板(1/2)外。 (4項参照) 7-4B六角2 個外。 (図 8) 7-5C120a2 本外。 (図 8) 7-6C60六角、 C100a外、 線外。 (写真 5) 7-7C120b2本外、 FET外。 (写真 6) 7-8C120c24本外、ACIN PW基板外。 (図8, 9) Fig.7 （図7） F80: Bind Head Tapping Screw-P 3.0X6 MFZN2BL(VA819100) (P) Fig.8（図8） C60 Earth cable （線） C100a C60 (線) Earth cable C120:Bin

43、d Head Screw 3.0X8 MFZN2BL(VA295800) (小) Photo.5 （写真5） C60: Hexagonal Nut #1 4.0 MFZN2Y(VB837300) (六角) C100:Bind Head Screw 4.0X8 MFZN2BL(EG340360) (小) （写真4） 130: Knob(WC936600)() Photo.4 130 Hexagonal Nut （六角） F80 PN BC120a （ACIN ）ACIN Angle 7.PW Circuit Board (Time required: About 10 minutes) 7-1.

44、Remove the top cover. (See procedure 1.) 7-2.Remove the front assembly. (See procedure 2.) 7-3.Remove the DM circuit board (1/2). (See procedure 4.) 7-4.Remove the two (2) hexagonal nuts marked B. (Fig. 8) 7-5.Remove the two (2) screws marked C120a. (Fig. 8) 7-6.Remove the hexagonal nut marked C60 a

45、nd the screw marked C100a. The earth cable can then be removed. (Photo 5) 7-7.Remove the two (2) screws marked C120b. The FET cover can then be removed. (Photo.6) 7-8.Remove the twenty-four (24) screws marked C120c. The ACIN Angle and the PW circuit board can then be removed. (Fig. 8, 9) BBT500H 11

46、PW C120c C120c 8.(所要時間: 約6 分) 8-1外。 (1項参照) 8-2Assy 外。 (2項参照) 8-3DM 基板(1/2)外。 (4項参照) 8-4C302本外、外。 (写真 7) C120b FET Cover （FET） Photo.6 （写真6） C120:Bind Head Screw 3.0X8 MFZN2BL(VA295800) (小) Fig.9（図9） C120:Bind Head Screw 3.0X8 MFZN2BL(VA295800) (小) Photo.7（写真7） C30: Bind Head Tapping Screw-B 3.0X8 MF

47、ZN2BL(EP600190) (B) Coil C30 （） Fuse （） 8.Coil (Time required: About 6 minutes) 8-1.Remove the top cover. (See procedure 1.) 8-2.Remove the front assembly. (See procedure 2.) 8-3.Remove the DM circuit board (1/2). (See procedure 4) 8-4.Remove the two (2) screws marked C30. The coil can then be remov

48、ed. (Photo.7) 12 BBT500H 9.DC(所要時間: 約5 分) 9-1外。 (1項参照) 9-2C60、 C504 本外。 (写真8、図10) 9-3DC外。 (写真 8) C60 Fan （DC） Photo.8（写真8） C60: Hexagonal Nut #1 4.0 MFZN2Y(VB837300) (六角) Fig.10（図10） C50: Bind Head Screw 4.0X30 MFZN2BL(VT229100) (小) C50 9.Fan (Time required: About 5 minutes) 9-1.Remove the top cover. (See procedure 1.) 9-2.Remove the nuts marked C60 and the four (4) screws marked C50. (Photo.8, Fig.10) 9-3.Remove the fan. (Photo.8) BBT500H 13 LSI PIN DESCRIPTION HD6413008VF25 (X4196A00) CPU .