SFX-DSP_Module_Service_Manual 电路图.pdf

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1、SFX DSP MODULE p/n 005-3876-008 SERVICE MANUAL CONTENTS: Notices Specifications Circuit Notes Parts lists Schematic PCB layout Fender Musical Instruments Corp. 7975 North Hayden Road Scottsdale, AZ 85258 SFX DSP MODULE (This is the model name for warranty claims) SERVICE MANUAL MAY 1998 IMPORTANT NO

2、TICE: Warranty philosophy on the DSP module is to replace, rather than repair it. The information presented in this manual is for reference when servicing one of the units that this product is utilized in. The information contained herein is CONFIDENTIAL and PROPRIETARY to Fender Musical Instruments

3、 Corp. It is disclosed solely for use by qualified technicians for purposes of equipment maintenance and service. It is not to be disclosed to others without the expressed permission of Fender Musical Instruments Co. All specifications subject to change without notice. For warranty repair service, o

4、nly Fender specified part numbers are to be used. It is recommended they also be used for post-warranty maintenance and repair. Parts marked with an asterisk (*) indicate the required use of that specific part. This is necessary for RELIABILITY and SAFETY requirements. DO NOT USE A SUBSTITUTE! A cod

5、ed naming convention is used in the description of certain parts. The codes and what they mean are as follows: CAPACITOR CODES HARDWARE CODES CAP AE=Aluminum ElectrolyticBLX=Black Oxide CAP CA=Ceramic AxialCR=Chrome Plated CAP CD=Ceramic DiskHWH=Hex Washer Head CAP MPF=Metalized Polyester FilmM=Mach

6、ine Screw CAP MY=MylarNI=Nickel Plated CAP PFF=Polyester Film/FoilOHP=Oval Head Phillips PB=Particle Board RESISTOR CODESPHP=Pan Head Phillips PHPS=Pan Head Phillips Sems RES CC=Carbon CompSMA=Sheet Metal A Point RES CF=Carbon FilmSMB=Sheet Metal B Point RES FP=Flame ProofSS=Stainless Steel RES MF=M

7、etal FilmTF=Thread Forming RES WW=Wire WoundZI=Zinc Plated 1 RadioFans.CN 收音机爱 好者资料库 SFX DSP MODULE SPECIFICATIONS Product Release No.:PR 369 (This is not a model number) Part Number: PART NO.PRODUCT 0053876008All (DSP board w/o Eprom) 0053874008SFX Satellite 0053875008SFX Keyboard 0053567008Acousta

8、sonic SFX * Note; Blank rows are provided for adding future products, as they become available. * Power Requirements:Board runs off of +5 Volts supplied by host product Dimensions:Unit is contained on one 3.2 x 5.1 PC board Product specifications are subject to change without notice SFX DSP MODULE C

9、IRCUIT NOTES * PLEASE NOTE: THIS MODULE IS ESD SENSITIVE. USE ANTI - STATIC PRECAUTIONS * POWER FOR DSP CARD The +5 volts for the DSP card is supplied by a regulated +5V supply in the Host product. SELF - TEST OF DSP MODULE To initiate self - test of the DSP module, short TP2 to TP1 while turning po

10、wer from off to on. Self - test pass is indicated when the yellow LED remains on continuously. Failure is indicated when the red LED blinks, or the yellow LED fails to light. If a passing condition exists, the module will operate in the loopback mode until the power is cycled off to on with TP2 not

11、shorted to TP1. In the loopback mode the modules output ( at TP9 and TP10 ) will be a replica of the input signals ( TP6 and TP8 ). TP2 is the inboard end of R14; TP1 is ground, and is found on pins 2, 4, and 6 of P1 (also, the chassis of the host product). When test mode is initiated, 2 tests will

12、be performed: a)EPROM test b)RAM test c)After passing these tests (estimated time = 10 ms), the module goes into loopback mode. 2 RadioFans.CN 收音机爱 好者资料库 SFX DSP MODULE PARTS LIST NOTE: SHADED ITEMS ARE FOR REFERENCE ONLY EPROMS QTY PART # DESCRIPTION REFERENCE DESIGNATION 1053871IC EPROM ACST SFXAC

13、OUSTASONIC SFX 1053872IC EPROM SFX SATELLITESFX SATELLITE 1053873IC EPROM SFX KEYBOARD 200SFX KEYBOARD 200 OTHER PARTS QTY PART # DESCRIPTION REFERENCE DESIGNATION 1048332LED RED PNL MT 7USED ON SFX SATELLITE * Note; Blank rows are provided for adding future products, as they become available. * 3 RadioFans.CN 收音机爱 好者资料库