Yamaha-SW-500-Service-Manual电路原理图.pdf
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1、1.396K-295 Printed in Japan 02.0120020110-110000 SERVICE MANUAL PA 011610 HAMAMATSU, JAPAN CONTENTS SPECIFICATIONS. 3 PERFORMANCE GRAPH. 4 PANEL LAYOUT. 4 CIRCUIT BOARD LAYOUT. 5 DIMENSIONS. 5 WIRING. 6 BLOCK DIAGRAM. 7 DISASSEMBLY PROCEDURE. 8 IC BLOCK DIAGRAM. 11 CIRCUIT BOARDS. 11 INSPECTIONS. 14
2、/15 OVERALL CIRCUIT DIAGRAM PARTS LIST SW500 This document is printed on chlorine free (ECF) paper with soy ink. SUBWOOFER SW500 2 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
3、 inherent to the industry, and more specifically Yamaha Products, 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 ex
4、pensive components and failure of the product to perform as specified. 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
5、 any individual or firm does not constitute authorization certifi- 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 eng
6、ineering, and service departments of Yamaha are continually striving 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 distributo
7、rs 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 disassembly and par
8、ts replacement. Recheck all work before you apply power to the unit. WARNING: CHEMICAL CONTENT NOTICE! The 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
9、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, ELECTRICAL/ELECTRONIC OR PLASTIC COMPONENTS IN YOUR MOUTH FOR ANY REASON WHAT SO EVER! Avoid prolonged, unprotected contact between solder and
10、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 the enclosure of this product, wash your hands before handling food. IMPOR TANT NOTICE FOR THE UNITED KINGDOM Connecting the Plug and CoConnectin
11、g the Plug and CoConnecting the Plug and CoConnecting the Plug and CoConnecting the Plug and Cor r r r rd d d d d IMPORTANT.The wires in this main lead are coloured in accordance with the following code: BLUE:NEUTRAL BROWN: LIVE As the colours of the wires in the main lead of this apparatus may not
12、correspond with the coloured markings identifying the terminals in your plug, proceed as follows: The BLUE wire must be connected to the terminal that is marked with the letter N (or coloured BLACK). The BROWN wire must be connected to the terminal that is marked with the letter L (or coloured RED).
13、 Be certain that neither core is connected to the earth terminal of the three pin plug. WARNING Components having special characteristics are marked and must be replaced with parts having specification equal to those originally installed. SW500 3 SPECIFICATIONS General specifi cations Type Bass Refl
14、 ex powered subwoofer Frequency Range 40120 Hz (10 dB) Maximum Output Level 122 dB (1 m on Axis) Dimensions (W x H x D) 480 x 619 x 590 mm Weight 42.5 kg Installation pole diameter 35 mm (1.375”) Accessories Power cable 2.5 m (AC inlet type) Speaker unit Speaker Unit 38 cm cone (8) Enclosure Type: B
15、ass Refl ex Amp. unit Maximum Output Power 500 W at 100 Hz, THD=1%, RL=8 650 W at 100 Hz, 20 ms nonclip RL=8 Input Sensitivity/Impedance +4 dB/30 k (channels A and B) Controls LEVEL Control CUTOFF FREQ. Control: 80100 Hz (Variable) PHASE Switch: (REV/NORM) POWER Switch: ON/OFF Connectors INPUT A ,B
16、(XLR-3-31), OUTPUT THRU A, B (XLR-3-32) OUTPUT HIGH PASS A ,B (XLR-3-32): Impedance 150 Power Indicator Green LED Clip Indicator Red LED Power Requirement USA and Canada: AC 120 V, 60 Hz Europe: AC 230 V, 50 Hz Others: AC 240 V, 50 Hz Power Consumption 200 W 0 db=0.775 *V SW500 4 q POWER switch w AC
17、 IN connector e CUTOFF FREQ. control r LEVEL control t PHASE switch y INPUT jacks A and B u OUTPUT THRU jacks A and B i OUTPUT HIGH PASS jacks A and B o POWER indicator !0 CLIP indicator SUBWOOFER MODEL SW500 POWER ON / OFF SUBWOOFER CONTROL 100 CUTOFF FREQ. 80 AC IN LEVEL NORM REV PHASE POWER CLIP
18、OUTPUT THRU OU TPUT HIGH PASS 100Hz PARALLEL A B (+4dB) INPUT (+4dB) PARALLEL 010 q w e i r y t o !0 u Rear Panel PERFORMANCE GRAPH Standard frequency response 1k10020 FREQUENCY (Hz) RESPONSE (dB) -40 -30 -20 -10 0 +10 100Hz 90Hz 80Hz Cutoff Frequency PANEL LAYOUT SW500 5 DIMENSIONS Units: mm CIRCUI
19、T BOARD LAYOUT AMP MIX 1/4 MIX 2/4 MIX 3/4 MIX 4/4 Power TransformerSpeaker 619250 480590 SW500 6 WIRING ? ? q? w? e-1 e-2 r? t? y? u Location Connector Assembly RemarksAvailability 6P-100L 4P-60L 2P 1P 2P 6P 2P Destination MIX 1/4-CN107AMP-CN201 MIX 2/4-CN101MIX 1/4-CN102 MIX 4/4-W101A MIX 3/4-CN10
20、5 MIX 4/4-W101B MIX 4/4-JK107Rear Panel (GND) SpeakerAMP-CN203 Power TransformerAMP-CN202 Power TransformerMIX 3/4-CN106 Unit Name MIX 1/4 Circuit Board MIX 2/4 Circuit Board MIX 4/4 Circuit Board MIX 4/4 Circuit Board Cabinet Assembly Power Transformer Power Transformer AMP MIX 1/4 MIX 2/4 W101BW10
21、1BW101BW101AW101AW101A CN201 CN203 CN202 CN107 CN102 CN101 CN106 BL YE CN105 q w t MIX 3/4 MIX 4/4 u y Power Transformer e-2 r e-1 SW500 7 HPF HPF BOOST LOW CUT LOW LPFLPF SUM OUTPUT (THRU) OUTPUT (+4dB) INPUT (+4dB) INPUT (THRU) OUTPUT 100Hz 100Hz PHASE NORMAL REVERSE (80Hz to 100Hz) CUTOFF FREQ. c
22、h A ch B SPEAKER Secondary (Woofer) LEVEL BTL MIX 2/4 MIX 1/4 AMP MIX 3/4 + - RECTIFIER RECTIFIER OUTPUT HIGH PASS 100Hz +4dB Power Transformer Primary AC IN MIX 4/4 HIGH PASS 100Hz +4dB F201F202 JK101 JK102 JK103JK103JK103 JK105 JK106JK106JK106 GND 7 513 2 1 JK104JK104JK104 IC104 (8P) IC102 (8P) 5
23、3 1 21 537311 3 2 CH1 CH2 W+ W- +B -B IC202IC201 +15 +15V -15 -15V T101 +B-B 57 21 1/7 2 6 7 IC103 (8P) IC103 (8P) IC105 (8P) CN101 (4P) CN102 (4P) IC105 (8P) IC106 (8P) IC107 (8P) IC108 (8P) IC109 (8P) IC109 (8P) CN107 (6P) CN201 (6P) CN202 (6P) CN203 (4P) CN106 (3P) CN105 (3P) W101B (1P) W101A (1P
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