Yamaha-EMX-5000-Service-Manual电路原理图.pdf

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1、EMX5000-12/20 1 SERVICE MANUAL PA 011633 1.387K-9551 Printed in Japan 2002.3 HAMAMATSU, JAPAN CONTENTS SPECIFICATIONS. 3/5 PANEL LAYOUT. 7 CIRCUIT BOARD LAYOUT. 11 BLOCK & LEVEL DIAGRAM.12 WIRING. 14 DIMENSIONS. 14 DISASSEMBLY PROCEDURE. 15 LSI PIN DESCRIPTION. 20 IC BLOCK DIAGRAM. 23 CIRCUIT BOARDS

2、. 24 INSPECTIONS. 39/46 CIRCUIT DIAGRAMS. 54 PARTS LIST This document is printed on chlorine free (ECF) paper with soy ink. EMX5000-20 本资料由O K X I A 视听皮带资源库w w w . o k x i a . c n 提供 RadioFans.CN 收音机爱 好者资料库 EMX5000-12/20 2 WARNING: THIS APPARATUS MUST BE EARTHED IMPORTANT THE WIRES IN THIS MAINS LEA

3、D 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 follows: The wire which is colou

4、red 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 coloured GREEN and YELLOW. The wire which is coloured BLUE must be connected to the terminal which is marked with the letter N or coloured BLACK. The wire which is colo

5、ured 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 KEMBLE MUSIC (U.K.) LTD. WARNING Components having special characteristics are marked and must be replaced with parts having specification equal to th

6、ose originally installed. IMPOR TANT 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, are already known and under- stood by t

7、he 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 specified. For these reasons, we advise all Y

8、amaha 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 certifi- cation, recognition of any applicable

9、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 striving to improve Yamaha products. Modifica

10、tions 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 expensive components. Discharge any static el

11、ectricity 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 unit. WARNING: CHEMICAL CONTENT NOTICE! Th

12、e solder used in the production of this product contains 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 defec

13、ts or other reproductive harm. DO NOT PLACE SOLDER, 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

14、 contact with solder or components located inside the enclosure of this product, wash your hands before handling food. This mark urges servicemen to pay attention. RadioFans.CN 收音机爱 好者资料库 EMX5000-12/20 3 SPECIFICATIONS Maximum output power SPEAKERS: 500 W+500 W/4 0.5% THD at 1 kHz 325 W+325 W/8 0.5%

15、 THD at 1 kHz BRIDGE:1000 W/80.5% THD at 1 kHz Frequency response 20 Hz20 kHz +1 dB, 3 dB 1 W output into 8 (SPEAKERS OUT) 20 Hz20 kHz +1 dB, 3 dB +4 dB output into 600 (ST OUT, ST SUB OUT, MONO OUT, AUX SEND, EFFECT SEND) Total harmonic distortion Less than 0.5% 20 Hz20 kHz, 250 W output into 4 (SP

16、EAKERS OUT) Less than 0.3% 20 Hz20 kHz, +14 dB output into 600 (ST OUT, ST SUB OUT, MONO OUT, AUX SEND, EFFECT SEND) Hum & noise (Average, Rs=150) (with 20 Hz20 kHz BPF) 128 dB equivalent input noise, 65 dB residual output noise (SPEAKERS OUT) 95 dB residual output noise (ST OUT, ST SUB OUT, AUX SEN

17、D) 84 dB (ST OUT, MONO OUT) ST master/MONO master fader at nominal level and all chan- nel On switches off and all channel fader at minimum. 64 dB (68 dB S/N) (ST OUT, MONO OUT) ST master fader at nominal level and one channel On switch on and one channel fader at nominal level and one channel Gain

18、control at nominal level. 81 dB (AUX SEND) Master fader at nominal level and all channel On switches off and all channel level control at minimum. 80 dB (EFFECT SEND)All channel level control at minimum. Maximum voltage gain 108 dBINPUT A/B to SPEAKERS OUT 84 dBINPUT A/B to ST OUT, MONO OUT 80 dBINP

19、UT A/B to AUX SEND (PRE) 90 dBINPUT A/B to AUX SEND (POST) 78 dBINPUT A/B to EFFECT SEND 58 dBST CH IN to ST OUT Crosstalk at 1 kHz68 dB adjacent input, 68 dB input to output Input channel equalization 15 dB Maximum HIGH10 kHzshelving* MID250 Hz5 kHzpeaking LOW100 Hzshelving* * Turn over/roll off fr

20、equency of shelving: 3 dB below maximum variable level. ST Input channel equalization 15 dB Maximum HIGH10 kHzshelving* MID2.5 kHzpeaking LOW100 Hzshelving* * Turn over/roll off frequency of shelving: 3 dB below maximum variable level. CH peak indicatorsRed LED on each channel lits when POST EQ sign

21、al reaches the level 3 dB below clipping. CH signal indicatorsGreen LED on each channel lits when POST EQ signal reaches the level 10 dB. Meters13 points LED meter Power amp select switch500W + 500W, 300W + 300W, 100W + 100W LimiterComp. : THD0.5% (SPEAKERS OUT) LIMIT indicatorsTurn on : THD0.5% (SP

22、EAKERS OUT) Graphic equalizer9 bands (63, 125, 250, 500, 1k, 2k, 4k, 8k, 16k Hz), 12 dB Maximum Internal digital effect 116 programs, parameter control Internal digital effect 216 programs, parameter control, tap delay control, foot switch (DIGITAL EFFECT ON/OFF, TAP) Foot switch (FC5)Digital effect

23、 2 mute: on/off, Tap delay Protection circuit (Power amp)POWER switch on/off mute, DC detection, TEMP (heatsink temp. 90C) Fan circuitstop low speed (50C) variable high speed (70C) Phantom power+48 V (balanced input) OptionFC5 (Foot switch), RK-124 (EMX5000-12) Power requirement/ Power consumption U

24、SA and Canada:120 V AC 60 Hz, 400 W Europe:230 V AC 50 Hz, 550 W Other:240 V AC 50 Hz, 550 W General specifi cations Dimensions (WxHxD)682 158 538 mm (EMX5000-20) / 478 158 538 mm (EMX5000-12) Weight19 kg (EMX5000-20) / 15 kg (EMX5000-12) AccessoriesPower cord, Owners Manual EMX5000-12/20 4 For Euro

25、pean Model Purchaser/User Information specifi ed in EN55103-1 and EN55103-2. Inrush Current: 70A Conformed Environment: E1, E2, E3 and E4 Input terminals Gain control Actual load impedance For use with nominal Input level Connectors on mixer Sensitivity1 1. Sensitivity is the lowest level that can p

26、roduce an output of +4 dB (1.23 V) or the nominal output level when the unit is set at maximum gain. (All fader and level controls are at maximum position.) NominalMax. before clip CH INPUT A (CH18/116) 60 5 k50600 Mics 80 dB (0.078 mV)60 dB (0.775 mV)40 dB (7.75 mV) XLR-3-31 type2 2. Balanced. (T=H

27、OT, R=COLD, S=GND) 1636 dB (12.3 mV)16 dB (123 mV)+4 dB (1.23 V) CH INPUT B (CH18/116) 60 50 k 600 Lines 80 dB (0.078 mV)60 dB (0.775 mV)40 dB (7.75 mV) PHONE JACK (TRS)2 1636 dB (12.3 mV)16 dB (123 mV)+4 dB (1.23 V) ST INPUT (CH912/1720) 34 10 k 54 dB (1.55 mV)34 dB (15.5 mV)14 dB (155 mV) PHONE JA

28、CK3 3. Unbalanced. In these specifi cations when dB represents a specifi c voltage, 0 dB is referenced to 0.775 Vrms, 0 dBV is referenced to 1 Vrms. +1010 dB (245 mV)+10 dB (2.45 V)+30 dB (24.5 V) ST SUB IN (1, 2)12 dB (195 mV)+4 dB (1.23 V)+20 dB (7.75 V) 2TR IN (L, R)26 dBV (50.1 mV)10 dBV (316 mV

29、)+10 dBV (3.16 V) PHONO JACK3 INSERT IN (CH18/116)20 dB (77.5 mV)0 dB (0.775 V)+20 dB (7.75 V) PHONE JACK3 POWER AMP IN (A, B)12 dB (195 mV)+4 dBV (1.23 V)+18 dB (6.16 V) PHONE JACK3 Output terminals Actual source impedance For use with nominal Output level Connectors on mixer NominalMax. before cli

30、ping ST OUT (L/R) 150600 Lines+4 dB (1.23 V)+20 dB (7.75 V) PHONE JACK1 1. Unbalanced. ST SUB OUT (L/R) MONO OUT AUX SEND 1, 2 EFFECT SEND 1, 2 REC OUT (L/R) 60010 k Lines 10 dBV (316 mV)+10 dBV (3.16 V) PHONO JACK1 INSERT OUT (CH18/116)0 dB (775 mV)+20 dB (7.75 V) PHONE JACK1 PHONES (L/R)10040 Line

31、s3 mW75 mW PHONE JACK (TRS)2 2. Impedance balaned. (T=HOT, R=COLD, S=GND) In these specifi cations when dB represents a specifi c voltage, 0 dB is referenced to 0.775 Vrms, 0 dBV is referenced 1 Vrms. SPEAKERS 1 (A, B) 0.14/8 Speakers100 W/4500 W/4 SPEAKON SPEAKERS 2 (A, B) PHONE JACK1 Input specifi

32、 cations Output specifi cations EMX5000-12/20 5 EMX5000-12/20 6 EMX5000-12/20 7 Control Panel Channel Control Section 26 dB pad switch GAIN control 80 (High pass fi lter) switch Equalizer controls (HIGH, MID, LOW) AUX1, AUX2 controls / POST switches EFF 1, 2 controls (EFFECT) PAN (panpot) control (E

33、MX5000-20: Cannels 1-16, EMX5000-12: Cannels 1-8) BAL (balance) control (EMX5000-20: Cannels 17/18-19/20, EMX5000-12: Cannels 9/10-11/12) ON switch, indicator PEAK indicator SIGNAL indicator PFL (pre-fader listen) switch Channel fader PHANTOM indicator q e w r t u o r t i o !1!1 !3!3 !2!2 w yy !0!0

34、* !4 1 2 3 4 5 6 7 8 9 10 11 12 13 14 PANEL LAYOUT EMX5000-12/20 8 Master Control Section 2TR IN Section Stereo Sub Input Section AUX 1, 2 controls ST (stereo) control PFL (pre-fader listen) switch !6 !7 !6 !5 !7 !5 4 3 ST (stereo) control PFL (pre-fader listen) switch !8!901 2 AUX 1 fader AUX 2 fad

35、er MONO OUT fader ST OUT fader AFL (after fader listen) switch 15 16 17 18 19 20 21 22 EMX5000-12/20 9 Power amp Section Digital effect Section Graphic equalizer Section 66 55 77 8 99 #0#0 #1#1 PROGRAM selector PARAMETER control AUX 1/2 control TAP switch, indicator EFFECT 1/2 ON switch PFL (Pre-fad

36、er listen) switch EFFECT 1/2 RTN fader #2 #3 #4 #5#6 Graphic equalizer ON switch LIMITER indicator Power amp select switch Maximum output select switch 25 26 27 28 29 30 31 32 33 34 35 36 EMX5000-12/20 10 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 Other indicators and controls Input/Output pabel #7 !

37、1t yi!5!6 !7!0 !4 qre wu!3o!2 #9 #8 $3 $0 $2 $1 POWER indicator YAMAHA SPEAKER PROCESSING STAND-BY POWER indicator ON/OFF switch ON/OFF switch Peak level indicator PHONES control ST SUB OUT control LPF control, ON/OFF switch Channel input jacks (INPUT A, INPUT B) EMX5000-20: 116, EMX5000-12: 18 INSE

38、RT I/O (insert) jacks PHANTOM switch LINE (stereo) input jacks EMX5000-20: 17/1819/20, EMX5000-12: 9/1011/12 2TR IN jacks REC OUT jacks ST SUB IN 1 (stereo sub 1) jacks ST SUB IN 2 (stereo sub 2) jacks AUX SEND 1 jack, AUX SEND 2 jack EFFECT SEND 1 jack, EFFECT SEND 2 jack ST OUT jacks ST SUB OUT ja

39、cks P.AMP IN A, B (power amp input) jacks MONO OUT jack PHONES jack FOOT SW EFFECT 2 ON/OFF jack FOOT SW (EFFECT 2) TAP jack LAMP jack 37 38 39 40 41 42 43 EMX5000-12/20 11 Rear panel CIRCUIT BOARD LAYOUT IN8DSP EMX5000-20 only IN16MAS PWR SMPS 1/2 SMPS 2/2 wq e AC inlet POWER switch SPEAKERS (speak

40、er output) jacks 1 2 3 EMX5000-12/20 12 BLOCK & LEVEL DIAGRAM CH INPUT 6016dB 34+10dB CH INSERT I/O 0dB EMX5000-12:CH1-8 EMX5000-20:CH1-16 EMX5000-12:CH1-8 EMX5000-20:CH1-16 A B GAIN 6016dB 34+10dB PHANTOM 8CH/SW EMX5000-12:CH1-8 EMX5000-20:CH1-8 CH9-16 PAD HPF HPF BA HA +48V 26dB 0dB 0dB 0dB 3-Stag

41、e EQ Lo Gain Hi Gain Mid f Mid Gain BA ON 10dB 0dB CH Fader PEAK SIGNAL PAN POST PFL POST EFFECT1 EFFECT2 AUX1 AUX2 0dB 6dB 6dB 6dB 6dB STEREO L (NON-MUTE) STEREO R (NON-MUTE) EFFECT1 (NON-MUTE) EFFECT2 (NON-MUTE) AUX1 (NON-MUTE) AUX2 (NON-MUTE) STEREO L (MUTE) STEREO R (MUTE) EFFECT1 (MUTE) EFFECT2

42、 (MUTE) AUX1 (MUTE) AUX2 (MUTE) PFL L / AFL L PFL R / AFL R PFL AFL SUM SUM SUM SUM 0dB 0dB 0dB 0dB STAND-BY EMX5000-12:CH1-8 EMX5000-20:CH1-16 SUM SUM 0dB 0dB 9 9 63Hz 125Hz 250Hz AFL AFL AFL SUM SUMSUM 0dB SUM 0dB SUM 0dB 0dB0dB SUM 0dB SUMSUM SUM 6dB SUM 6dB SUM 0dB SUM 0dB INV 0dB INV 0dB PFL PO

43、ST POST BAL EFFECT1 EFFECT2 AUX1 AUX2 0dB 6dB 6dB 6dB 6dB DN BA BA 0dB 0dB 10dB ST CH Fader PEAK SIGNAL GAIN 34+10dB ST CH INPUT 34+10dB EMX5000-12:CH9(L)/10(R),CH11(L)/12(R) EMX5000-20:CH17(L)/18(R),CH19(L)/20(R) HA HA 0dB L R 3-Stage EQ 3-Stage EQ Lo Hi Mid BA BA PAD PAD PFL AUX1 ST AUX2 0dB+4dB6d

44、B 6dB 6dB 6dB 16dB 16dB ST SUB IN 1,2 +4dB L (MONO) R 2TR IN 10dBV BA BA 0dB 6dB 6dB L R PROGRAM PARAMETER PROGRAM PARAMETER DIGITAL EFFECT1 ON ON INL OUT R OUT DIGITAL EFFECT2 INL OUT R OUT ST EFFECT1 RTN EFFECT2 RTN PFL PFL PFL AUX1 AUX2 12dB 12dB AUX1 AUX2 12dB 12dB FOOT SWITCH TAP TAP ON/OFF 0dB

45、=0.775V 0dBV=1V +30dB +20dB +10dB 0dB 10dB 20dB 30dB 40dB 50dB 60dB ST CH INPUT GAIN Min. +10dB ST CH INPUT GAIN Max. 34dB CH INPUT A, B GAIN Max. 60dB CH INPUT A, B GAIN Min. 16dB ST SUB IN +4dB CH & ST CH to ST 0dB (PAN, BAL turned hard left/right) CH & ST CH to AUX/EFFECT 6dB ST SUB IN to ST/AUX

46、6dB 2TR IN to ST 6dB 2TR IN 10dBV fader 10dB REC OUT IN8/IN16 MAS IN8 EMX5000-20 EMX5000-12 MASIN16 DSP -SPX A A IC101,201,301,401,501,601,701,801 IC505,705 IC105,305 IC101,102, 201,202 IC101, 102, 201, 202 IC501 IC502 IC501 IC502 IC503 IC503 57 IC302 67 IC303 67 IC303 M 21 IC306 21 IC305 67 IC305 2

47、 67 2 1 1 IC306 IC307 67 21 67 21 67 67 21 2 1 IC308 IC504 IC504 IC310 IC310 IC309 IC309 Q308 Q307 Q304 Q303 67 IC301 67 IC302 21 IC301 21 31 IC107,307, 507,707 CN903, 904 CN903 CN904 CN901 CN902 CN903 CN904 CN603 CN604 CN603, 604 IC104,204 IC104,204 IN8 CN903 CN904 MAS CN603 CN604 CN101 35P CN501 35P EMX5000-12/20 13 PFL AFL 0dB 0dB 0dB 0dB STAND-BY EMX5000-12:CH1-8 EMX5000-20:CH1-16 SUM SUM 0dB 0dB REC OUT 10dBV L R 9-Stage GEQ 9-Stage GEQ 63Hz 125Hz 250Hz 500Hz 1kHz 2kHz 4kHz 8kHz 16kHz GEQ BA BA BA BA 6dB 10dB ST OUT ST SUB OUT DR DR ST SUB OUT +4dB L R ST OUT +4dB L R PEAK PEAK YSP Y