Yamaha DME32 Digital Mixing Engine Service Manual 电路图.pdf

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1、SERVICE MANUAL PA 011522 HAMAMATSU, JAPAN 1.44K-6661 K Printed in Japan 00.08 CONTENTS SPECIFICATIONS 3 PANEL LAYOUT 5 CIRCUIT BOARD LAYOUT 7 DIMENTIONS 8 DISASSEMBLY PROCEDURE 9 LSI PIN DESCRIPTION 12 IC BLOCK DIAGRAM 19 TEST PROGRAM AND INSPECTION 22 FLASH ROM UPGRADE 27 ERROR MESSAGES 28 MIDI IMP

2、LEMENTATION CHART 31 MIDI DATA FORMAT 32 CIRCUIT BOARDS 34 PARTS LIST CIRCUIT DIAGRAM AND BLOCK DIAGRAM DIGITAL MIXING ENGINE 200007* This document is printed on chlorine free (ECF) paper with soy ink. RadioFans.CN 收音机爱 好者资料库 DME32 2 WARNING: CHEMICAL CONTENT NOTICE! The solder used in the productio

3、n 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 defects or other reproductive harm.

4、 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 contact with solder or compon

5、ents located inside the 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 specifi

6、cally Yamaha Products, are already known and understood 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 personal injury, destruction of expensive components and failure of the product to

7、 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 any individual or firm does not constitute autho

8、rization, certification, 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 co

9、ntinually 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 distributors Service Division. WARNING:Static discharges can

10、 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 parts replacement. Recheck all work before you apply po

11、wer to the unit. WARNING Components having special characteristics are marked and must be replaced with parts having specification equal to those originally installed. LITHIUM BATTERY HANDLING This product uses a lithium battery for memory back-up. WARNING:Lithium batteries are dangerous because the

12、y can be exploded by improper handling. Observe the following precautions when handling or replacing lithium batteries. Leave lithium battery replacement to qualified service personnel. Always replace with batteries of the same type. When installing on the PC board by soldering, solder using the con

13、nection terminals provided on the battery cells. Never solder directly to the cells. Perform the soldering as quickly as possible. Never reverse the battery polarities when installing. Do not short the batteries. Do not attempt to recharge these batteries. Do not disassemble the batteries. Never hea

14、t batteries or throw them into fire. ADVARSEL! Lithiumbatteri-Eksplosionsfare ved fejlagtig hndtering. Udskiftning m kun ske med batteri af samme fabrikat og type. Levr det brugte batteri tilbage til leverandren. VARNING Explosionsfara vid felaktigt batteribyte. Anvnd samma batterityp eller en ekviv

15、alent typ som rekommenderas av apparattillverkaren. Kassera anvnt batteri enligt fabrikantens instruktion. VAROITUS Paristo voi rjht, jos se on virheellisesti asennettu. Vaihda paristo ainoastaan laitevalmistajan suosittelemaan tyyppiin. Hvit kytetty paristo valmistajan ohjeiden mukaisesti. The foll

16、owing information complies with Dutch Official Gazette 1995. 45; 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 batterij deze beschrijving. RadioFans.CN 收音机爱 好者资料库 SPECIFICATI

17、ONS DME32 3 Internal Sampling frequency External Signal delay Configuration Memories Scene Display Scene No. Wordclock IndicatorsEmergency mode Others PC Card slot Power requirements Power consumption Dimensions (W x H x D) Weight Free-air operating temperature Storage temperature Power cord length

18、Supplied accessories Options 48 kHz 39.6950.88 kHz 0.21 ms (direct cable from input 1 to output 1, fs = 48 kHz) 2 (A, B) 99 per configuration 24-character x 2 line LCD, with backlight 7-segment LED x 2 48 kHz, 44.1 kHz, LOCK EMERGENCY COMPONENT,PARAMETER,VALUE, PROTECT,UTILITY, USER DEFINE PCMCIA Ty

19、pe II memory cards U.S.A. A0=0 selects the data phase. PDIUSBD12PW (XW583A00) USB InterfacePNR: IC102 PIN NO. I/OFUNCTIONNAME PIN NO. I/OFUNCTIONNAME 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 /DSRA /CTSA /DTRA VCC /RTSA INTA /CSA TXA /LOW TXB /CSB INTB /R

20、TSB GND /DTRB /CTSB /DSRB /CDB /RIB RXB VCC A2 A1 A0 XTAL1 XTAL2 RESET GND RXC /RIC /CDC /DSRC I I O I O O I O I O I O O O I I I I I I I I I I O I I I I I Data set ready (active low) Clear to send (active low) Data terminal ready (active low) Power supply inputs Request to send (active low) Interrup

21、t A (active high) Chip select Transmit data Write strobe Transmit data Chip select Interrupt B (active high) Request to send (active low) Signal and power ground Data terminal ready (active low) Clear to send (active low) Data set ready (active low) Carrier detect (active low) Ring indicator (active

22、 low) Receive data input RX B Power supply inputs Address bus Crystal or External clock input Output of the crystal oscillator or buffered clock Reset Signal and power ground Receive data input RX C Ring indicator (active low) Carrier detect (active low) Data set ready (active low) 33 34 35 36 37 38

23、 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 /CTSC /DTRC VCC /RTSC INTC /CSC TXC /IOR TXD /CSD INTD /RTSD GND /DTRD /CTSD /DSRD /CDD /RID RXD VCC D0 D1 D2 D3 D4 D5 D6 D7 GND RXA /RIA /CDA I O I O O I O I O I O O O I I I I I I I/O I/O I/O I/O I/O I/O I/O I/O I I I Cl

24、ear to send (active low) Data terminal ready (active low) Power supply inputs Request to send (active low) Interrupt C (active high) Chip select Transmit data Read strobe Transmit data Chip select Interrupt D (active high) Request to send (active low) Signal and power ground Data terminal ready (act

25、ive low) Clear to send (active low) Data set ready (active low) Carrier detect (active low) Ring indicator (active low) Receive data input RX D Power supply inputs Data bus Signal and power ground Receive data input RX A Ring indicator (active low) Carrier detect (active low) ST16C554DCQ64 (XW934A00

26、) UART (Universal asynchronous receiver and transmitter)MAIN: IC18 DME32 18 PIN NO. I/OFUNCTIONNAME PIN NO. I/OFUNCTIONNAME 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 5V 5V A_PGM A_Vcc /A_Vcc /A_Vcc 12V AVPP AVCC AVCC AVCC GND NC /SHDN 3.3V I I I I I I I O O O O - - I I Card power (5 V) Card power (5 V) AV

27、PP voltage control AVPP voltage control AVPP voltage control AVPP voltage control Card power (12 V) Power supply switch (0 V,3.3 V,5 V,12 V,HI-Z) Power supply switch (0 V,3.3 V,5 V,HI-Z) Power supply switch (0 V,3.3 V,5 V,HI-Z) Power supply switch (0 V,3.3 V,5 V,HI-Z) Ground Not used TPS2205 Shat do

28、wn Card power (3.3 V) 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 3.3V 3.3V /OC NC BVCC BVCC BVCC BVPP 12V NC /B_Vcc /B_Vcc B_Vcc B_PGM 5V I I O - O O O O I - I I I I I Card power (3.3 V) Card power (3.3 V) Overflow control (L level signal output) Not used Power supply switch (0 V,3.3 V,5 V,HI-Z) P

29、ower supply switxh (0 V,3.3 V,5 V,HI-Z) Power supply switch (0 V,3.3 V,5 V,HI-Z) Power supply switch (0 V,3.3 V,5 V,12 V ,HI-Z) Card power (12 V) Not used BVCC voltage control BVCC voltage control BVCC voltage control BVCC voltage control Card power (5 V) TPS2205IDB (XW602A00) Power ControllerPNR: I

30、C104 PIN NO. I/OFUNCTIONNAME PIN NO. I/OFUNCTIONNAME 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 DAUX HDLT DOUT VFL OPT SYNC MCC WC MCB MCA SKSY XI XO P256 LOCK Vss TC DIM1 DIM0 DOM1 DOM0 KM1 I O O O O O O O O O I I O O O O I I I I I Auxiliary input for audio data Asynchronous buffer op

31、eration flag Audio data output Parity flag output Fs x 1 Synchronous output signal for DAC Fs x 1 Synchronous output signal for DSP Fs x 64 Bit clock output Fs x 1 Word clock output Fs x 128 Bit clock output Fs x 256 Bit clock output Clock synchronization control input Crystal oscillator connection

32、or external clock input Crystal oscillator connection VCO oscillating clock connection PLL lock flag Logic section power (GND) PLL time constant switching output Data input mode selection Data input mode selection Data output mode selection Data output mode selection Clock mode switching input 1 23

33、24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 RSTN Vdda CTLN PCO (NC) CTLP Vssa TSTN KM2 KM0 FS1 FS0 CSM EXTW DDIN LR Vdd ERR EMP CD0 CCK CLD I I O I I I I O O I I I O O O O I I System reset input VCO section power (+5 V) VCO control input N PLL phase comparison output VCO control i

34、nput P VCO section power (GND) Test terminal. Open for normal use Clock mode switching input 2 Clock mode switching input 0 Channel status sampling frequency display output 1 Channel status sampling frequency display output 0 Channel status output method selection External synchronous auxiliary inpu

35、t word clock EIAJ (AES/EBU) data input PLL word clock output Logic section power (+5 V) Data error flag output Channel status emphasis control code output 3-wire type microcomputer interface data output 3-wire type microcomputer interface clock input 3-wire type microcomputer interface load input YM

36、3436DK (XG948E00) DIR2 (Digital Format Interface Receiver)MAIN: IC28, 40 IC BLOCK DIAGRAM DME32 19 MM74HCU04SJX (XY070A00) TC74HC04AF (XS993A00) HD74LVC04FP (XW905A00) Hex Inverter MAIN: PNR: MM74HC14SJX (XW104A00) Hex Inverter MAIN: IC19 74VHC32SJX (XY306A00) Quad 2 Input OR MAIN: IC3, 5 MM74HC74AS

37、JX (XY153A00) Dual D-Type Flip-Flop MAIN: IC17, 22 TC74HC123AF (XN242A00) Dual Retriggerable Single Shot MAIN: IC41 TC74VHC138F (XT015A00) 3 to 8 Demultiplexer MAIN: IC64, 65 MM74HC151SJX (XY308A00) 8 to 1 Data Selector MAIN: IC26, 62, 63 TC74HC153AFEL (XY309A00) Dual 4 to 1 Data Selectors MAIN: IC2

38、7 MM74HC157SJX (XY310A00) Quad 2 to 1 Multiplexer MAIN: IC108, 109 IC16, 25 IC103 1 2 3 4 5 6 7 1A 1Y 2A 2Y 3A 3Y Vss 14 13 12 11 10 9 8 VDD 6A 6Y 5A 5Y 4A 4Y 1 2 3 4 5 6 7 1A 1Y 2A 2Y 3A 3Y GND 14 13 12 11 10 9 8 VDD 6A 6Y 5A 5Y 4A 4Y 1 2 3 1A 1Y 42A 52B 62Y 7GND 1B 14 13 12 Vcc 4A 114Y 103B 93A 83

39、Y 4B INPUTSOUTPUTS PRCLRCLKDQQ L H H L H Q O H L H H L Q O X X X H L X X X X f f L H L L H H H L H L H H H 1 2 3 4 5 6 7 1CLR 1D 1CK 1PR 1Q 1Q GND 14 13 12 11 10 9 8 VCC 2CLR CLR 2D D 2CK CK 2PRPR 2Q 2QQ Q CLR D CK PR Q Q 1A 1B 1 1Q 2Q 2 Cext 2 Rext / Cext GND 116 215 314 413 512 611 710 89 Vcc 1 Re

40、xt / Cext Cext 1Q 2Q CLR 2B 2A CLR Q Q QQ CLR 1 2 3 4 5 6 7 A A Select Enable Output Output B B C C G2A G2A G2B G2B G1 G1 Y7 Y7Y5 Y4 Y3 Y2 Y1 Y0 Y6 16 15 14 13 12 11 10 Vcc YO Y1 Y2 Y3 Y4 Y5 8 GND 9 Y6 1 2 3 4 5 6 7 3 Data Inputs 2 1 0 Y W Strobe 16 15 14 13 12 11 10 Vcc 4 5 6 7 A B 8GND 9 C Outputs

41、 Data Inputs Data Select D3 D4 D5 D6 D7 A B C D2 D1 D0 Y W S 1 2 3 4 5 6 7 1G SELECT STROBE B OUTPUT 1Y 1G IC3 IC2 IC1 IC0 1Y 16 15 14 13 12 11 10 Vcc SELECT 2G STROBE A 8GND 9 OUTPUT 2Y 2C0 2Y 2C1 2C2 2C3 2G B B B B AA A A DATA INPUTS DATA INPUTS 1 2 3 4 5 6 7 SELECT 1A 1A 1B 1B 1Y 1Y 2A 2A 2B 2B 2

42、Y 2Y 16 15 14 13 12 11 10 Vcc STROBE G 4A S3Y 4A 4B 4B 4Y 4Y 3A 3A 3B 3B 8 GND 9 3Y DME32 20 MM74HC175SJX (XY307A00) Quad D-Type Flip-Flop MAIN: IC24, 46-49 MM74HC245ASJX (XW107A00) SN74ABT245BNSR (XU009A00) TC74VHC245F (XT487A00) Octal 3-State Bus Transceiver MAIN: IC29-31, 50-52, 60, 61, 66-75 MM7

43、4HC273SJX (XY198A00) Octal D-Type Flir Flop MAIN: IC23 TC74HC4052AF (XS790A00) Differential 4-Channel Multiplexer/Demultiplexer MAIN: IC44, 45 TC74LVX4245FS (XU229A00) Dual Supply Octal Bus Transceiver MAIN: IC111-117 SN75121NSR (XU816A00) Dual Line Driver MAIN: IC36, 43 SN75124NS (XV930A00) Triple

44、Line Receiver MAIN: IC39 SN75C1168NSR (XU073A00) Line Driver / Receiver MAIN: IC21, 37, 122 AM26LS31CNSR (XU996A00) Quad Line Driver MAIN: IC34, 35, 118, 119 QCL QD CK QCL QD CK QCL QD CK QCL QD CK 1 2 3 4 5 6 7 CL 1Q 1Q 1D 2D 2Q 2Q 16 15 14 13 12 11 10 VDD 4Q 4Q 4D 3D 3Q 3Q 8 Vss 9 CK 1 2 3 4 5 6 7

45、 20 19 18 17 16 15 14 Vcc G B1 B2 B3 B4 B5 B6 B7 B8 8 9 10 12 11 GND A8 A7 A6 A5 A4 A3 A2 A1 D1R 13 CLEAR 1Q 1D 2D 2Q 3Q 3D 4D 4Q GND VCC 8Q 8D 7D 7Q 6Q 6D 5D 5Q CLOCK 120 219 318 417 516 615 714 813 912 1011 Q D CK CL D Q CK CL Q D CK CL D Q CK CL D Q CK CL Q DCK CL D Q CK CL Q DCK CL 1 2 3 4 5 6 7

46、 0Y 2Y Y-COM 1Y INH VEE VSS 3Y 16 15 14 13 12 11 VDD 2X 1X X-COM 0X 3X A 8 9 10 B 2Y 0Y Y-COM 3Y 1Y INH B 2X 1X X-COM 0X 3X A VCCA DIR A1 A2 A3 A4 A5 A6 A7 A8 GND GND VCCB VCCB /G B1 B2 B3 B4 B5 B6 B7 B8 GND 1 2 3 4 5 6 7 0 1 2 3 4 5 6 7 8 9 1012 13 14 15 G1 G2 D D B A 11 24 23 22 21 20 19 18 8 9 10

47、 11 12 16 15 14 13 17 Vcc 2F 2E 2A 2YGND 1Y 1 2 3 4 5 6 7 89 10 11 12 13 14 15 16 2C 2B 2D 1A 1B 1C 1D 1E 1F 1A 1B 2R 2S 2A 2B 2Y GND 116 215 314 413 512 611 710 89 Vcc 1S 1R 1Y 3A 3S 3R 3Y 1 2 3 4 5 6 7 1B 1A 1R 1DE 2R 2A 2B 16 15 14 13 12 11 10 Vcc 1D 1Y 1Z 2DE 2Z 2Y 8 GND 9 2D 1 2 3 4 5 6 7 1A 1Y

48、 1Z 2Z 2Y 2A GND ENABLE G 16 15 14 13 12 11 Vcc 4A 4Y 4Z ENABLE G 3Z 3Y 8 9 10 3A OUTPUTS H= high level L= low level X= irrelevant Z= high impedance (off) ENABLESINPUT AGGYZ H H X X L X X L L H H L H L Z L H L H Z H L H L X DME32 21 DS26C32ATMX (XU815A00) Quad Differential Line Receiver MAIN: IC32,

49、33, 120, 121 NJM2082M-T1 (XN797A00) Dual Operational Amplifier MAIN: IC1 1 2 3 4 5 6 7 INPUT A INPUT A OUTPUT A OUTPUT C INPUT C INPUT C GND ENABLE 16 15 14 13 12 11 Vcc INPUT B INPUT B OUTPUT B ENABLE OUTPUT D INPUT D 8 9 10 INPUT D + - - + + - - + 1 2 3 4-V 8 7 6 5 Output A+V Non-Inverting Input A -DC Voltage Supply +DC Voltage Supply Output B Inverting Input B Non-Inverting Input B Inverting Input A+- +- TEST PROGRAM AND INSPECTION DME32 22 1.Preparation 1-1.Initial settings Connect the CASCADE IN terminal and CASCADE OUT terminal with a SCSI 50p cable. Connect the PC