Yamaha DG60FX-112 Service Manual 电路图.pdf

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1、DG60FX-112 1 SERVICE MANUAL GA 011540 20001101-75000 1.552K-448 I.T Printed in Japan 2000.11 HAMAMATSU, JAPAN GUITAR AMPLIFIER CONTENTS SPECIFICATIONS. 3/4 PANEL LAYOUT. 5 CIRCUIT BOARD LAYOUT. 7 BLOCK DIAGRAM. 8 WIRING. 10 DISASSEMBLY PROCEDURE. 11 LSI PIN DESCRIPTION. 15 IC BLOCK DIAGRAM. 18 CIRCU

2、IT BOARDS. 20 TEST PROGRAM. 30 ERROR MESSAGES. 33 IDLING ADJUSTMENT. 33 MIDI IMPLEMENTATION CHART . 34 PARTS LIST OVERALL CIRCUIT DIAGRAM This document is printed on chlorine free (ECF) paper with soy ink. RadioFans.CN 收音机爱 好者资料库 DG60FX-112 2 2 IMPORTANT NOTICE This manual has been provided for the

3、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 the users, and have therefore not been restated. WARNING :Failure to follow appropr

4、iate 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 Yamaha product owners that all service required should be performed by an authorize

5、d 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 technical capabilities, or establish a principal-agent relationship of any form. T

6、he 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. Modifications are, therefore, inevitable and changes in specification are subject to chang

7、e 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 electricity your body may have accumulated by grounding yourself to the ground bus i

8、n 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! The solder used in the production of this product contains LEAD. In addition, other

9、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, ELECTRICAL/ELECTRONIC OR PLAST

10、IC 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 the enclosure of this product, w

11、ash your hands before handling food. 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

12、dangerous because they can be exploded by improper handling. Observe the following pre- cautions 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 solderin

13、g, solder using the connection 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 disasemble th

14、e batteries. Never heat batteries or throw them into fire. ADVARSEL! Lithiumbatteri-Eksplosionsfare ved fejlagtig handtering. Udskiftning ma kun ske med batteri af samme fabrikat og type. lever det brugte batteri tilbage til leverandren. VARNING Explosionsfara vid felaktigt batteribyte. Anvand samma

15、 batterityp eller en ekvivalent typ som rekommenderas av apparattillverkaren. Kassera anvant batteri enligt fabrikantens instruktion. VAROITUS Paristo voi rajahtaa, jos se on virheellisesti asennettu. Vaihda paristo ainoastaan laitevalmistajan suosittelemaan tyyppiiin. Havita kaytetty paristo valmis

16、tajan ohjeiden mukaisesti. The following 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.

17、2 RadioFans.CN 收音机爱 好者资料库 DG60FX-112 3 SPECIFICATIONS Digital Section Full Digital Signal Processing 8 Channel Preamp Digital Effects Compressor Chorus, Flanger, Phaser, Rotary Speaker, Tremolo Digital Delay, Tape Echo Spring Reverb, Hall Reverb, Plate Reverb Tap Tempo Function (Delay Time) Speaker

18、Simulator (16 Types) External Controller Function (EXP Pedal/MIDI):8 Controllers/ Parameters Wah Function Tuner Function (Chromatic, Auto) Analog Section 60 W Solid State Power Amp 30 cm Speaker (EMINENCE) x 1 MIDI Functions Receive: Program Change (Program Change Table can be created), Control Chan

19、ge, Bulk In Transmit: Program Change, Control Change, Bulk Out, Merge Out Controller Switch Top Panel Push Switch x17 UP , DOWN, MANUAL, UTILITY, STORE, COMP, CHORUS, FLANGER, PHASER, ROTARY, TREMOLO, DELAY, TAPE ECHO, SPRING, HALL, PLATE, SP. SIM Knob x15 AMP SELECT, GAIN, MASTER, TREBLE, MIDDLE, B

20、ASS, PRESENCE, COMP, SPEED, DEPTH, TIME, FEEDBACK, LEVEL, REVERB, OUTPUT Rear Panel Push Switch x1 POWER Display 7 Segment LED (3 digit) x1 Push Switch LED x17 Connections/Jacks INPUT HIGH, LOW: Standard Monaural Phone Jack LINE OUT L/MONO, R: Standard Monaural Phone Jack PHONES: Standard Stereo Pho

21、ne Jack POWER AMP IN: Standard Monaural Phone Jack Foot Switch Unit Terminal: 13 pin DIN DIGITAL OUT: COAXIAL MIDI IN, MIDI OUT: 5 pin DIN A/D Converter 20 bit + 3 bit Floating D/A Converter 20 bit Sampling Frequency 48 kHz Memory Allocations Preset: 90 User: 90 Input Level/Impedance INPUT HIGH: -25

22、dBm/1M ohm INPUT LOW: -15dBm/1M ohm POWER AMP IN: 0 dBm/100k ohm Output Level/Impedance LINE OUT L/MONO, R: -3dBm/2.3k ohm PHONES: 0dBm/47 ohm (47ohm load) SPEAKER: 60W RMS/8 ohm Power U.S. and Canadian models : 120V, 60Hz General model : 230V, 50Hz Power Consumption 70 W Dimensions (WxHxD) 513 x 49

23、1 x 291 mm (20.2” x 19.3” x 11.5”) Weight 17 kg (37 lbs 8 oz) Accessories Foot Switch Unit Foot Switch Special Cable Owners Manual Patch List Foot Switch Unit Footswitch x4 (1, 2, 3, BANK) LED x6 (1, 2, 3, BANK x3) Connections/Jacks EXP. PEDAL: Standard Stereo Phone Jack Connects main unit and foot

24、switch: 13 pin DIN Dimensions (WxHxD) : 280 x55 x108 mm (11.0” x 2.2” x 4.3”) Weight : 930 g (2 lbs 1 oz) RadioFans.CN 收音机爱 好者资料库 DG60FX-112 4 DG60FX-112 5 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 PANEL LAYOUT Input Jacks (INPUT HIGH, LOW) Peak Indicator Amp Select Switch (L

25、EAD1-CLEAN2) Gain Control (GAIN) Master Volume (MASTER) Tone Controls (TREBLE, MIDDLE, BASS, PRESENCE) Output Level Control (OUTPUT) Speaker Simulator Button (SP. SIM) Up Button (UP) Down Button (DOWN) Display Manual Button (MANUAL) Utility Button (UTILITY) Store Button (STORE) Compressor Button (CO

26、MP) Compressor Knob (COMP) Modulation Group Effect Buttons (CHORUS/FLANGER/PHASER /ROTARY/TREMOLO) Speed Knob (SPEED) Depth Knob (DEPTH) Delay Group Effect Buttons (DELAY/TAPE ECHO) Time Knob (TIME) Feedback Knob (FEEDBACK) Level Knob (LEVEL) Reverb Group Effect Buttons (SPRING/HALL/PLATE) Reverb Kn

27、ob (REVERB) Control Panel 1243 7 56 8 24201711 129151310 14 DG60FX-112 6 34 35 36 37 26 27 28 29 30 31 32 33 Power Switch (POWER) Headphones Jack (PHONES) Line Out Jacks (LINE OUT R, L/MONO) POWER AMP IN Jack Foot Switch Unit Terminal (FOOT SW) MIDI OUT Jack MIDI IN Jack Digital Out Jack (DIGITAL OU

28、T) Foot Switches 1, 2, 3 Bank Switch (TAP/BANK/TUNER) EXP Pedal Jack (EXP. PEDAL) Unit Terminal Rear Panel Top Panel Rear panel 2627292830 313233 3435 3637 Foot Switch Unit DG60FX-112 7 CIRCUIT BOARD LAYOUT 4/87/86/85/8 1/8 2/8 3/8 (PN1/2) MAINMAINMAINMAIN MAIN DM MAIN MAIN FRONT (ANALOG8/8)REAR (PN

29、2/2)SW, LED Foot Switch DG60FX-112 8 BLOCK DIAGRAM (PN1/2) 3/8 IC1 IC12 (DM-CN1) (FRONT-CN304) (DM-CN2) (FRONT-CN303) IC2,IC3 IC9IC8 IC10,IC11 IC401IC402 W401 CN101 IC401 + + 5757 13 IC102 - 21 IC103 1 - 2 IC102 - 67 IC103 6 - 7 IC104 CN103 CN103 CN102 FRONT MAIN DM FRONT A A DG60FX-112 9 KEC-54207

30、(DM-CN3) (FRONT-CN302) W701 CN306 C10,IC11 CN103 W502 CN102 IC501 + 75 IC501 + 31 IC502 + 13 IC502 + 57 REAR (1/8, 2/8, 4/87/8)MAIN FRONT SW, LED A A DG60FX-112 10 WIRING SPEAKER CN603 CN602 CN301 CN601 AC TRANSFORMER POWER W502W501 CN304CN303CN302CN305 W701CN306 CN401W401 CN4 W503 CN1CN2CN3 CN103 C

31、N104 W612 W608 CN607 W606 W604 W601 W603 W611 W610 W602 4/87/8 W609 6/8 W607 5/8 W605 1/8 2/8 3/8 (PN1/2) CN102 CN101 MAINMAINMAINMAIN DM MAIN MAIN (ANALOG8/8) REAR MAIN (PN2/2)SW, LED FRONT FOOT SWITCH OVERALL ASSEMBLY DG60FX-112 11 DISASSEMBLY PROCEDURE Fig.1 A.External components 1.Handle Assembl

32、y 1-1.Remove the two (2) screws marked 70. The handle assembly can then be removed. (Fig. 1) 2.Corner fitting 2-1.Remove the two (2) screws marked 50. The corner fitting can then be removed. (Fig. 1) 3.Leg 3-1.Remove the screw marked 110. The leg can then be removed. (Fig. 1) 50: Oval Head Tapping S

33、crew 3.5X16 MFNI33 (V383360) 70: Oval Head Screw 0X25 FNM3-2B (V374370) 110: Truss Head Tapping Screw-1 4.0X20 MFZN2BL (O374729) 110 70 50 50 DG60FX-112 12 Fig.2 4. Removal of stereo amplifier unit 4-1.Remove the four (4) screws marked 80 and the four (4) washers marked 90 from the back plate and th

34、en remove the back plate. (Fig. 2) 4-2.Remove the six (6) screws marked 30 and the six (6) washers marked 40 from the top of the main unit. The pre main unit can then be removed. (Fig. 2) 5.Removal of speaker 5-1.Remove the pre main unit. (See Procedure 4.) 5-2.Remove the four (4) screws marked 70.

35、The speaker can then be removed. (Fig. 2) 30: Oval Head Screw 5.0X35 MFC2BL (V374938) 40: Washer 5S MFC2BL (EW30002) 70: Hexagonal Nut 4.0 MFZN2Y (O376090) 80: Oval Head Tapping Screw 4.0X30 MFC2BL (V374940) 90: Washer 4S MFC2BL (V389020) B.Pre main unit 6.FRONT circuit board (PN 1/2), MAIN circuit

36、board (3/8) 6-1.Remove the pre main unit. (See Procedure 4.) 6-2.Remove the five (5) screws marked 110 and then remove the panel. (Fig. 3) 6-3.Remove the seven (7) screws marked 290, eight (8) knobs marked 310, fifteen (15) hexagonal nuts, three (3) screws marked 50. The FRONT circuit board (PN 1/2)

37、 can then be removed. (Fig. 3) 6-4.Remove the two (2) hexagonal nuts marked 210 and the two (2) flat washers marked 220. The MAIN circuit board (3/8) can then be removed. (Fig. 3) 30 40 30 40 70 80 9090 80 70 DG60FX-112 13 7.DM, MAIN circuit boards (1/8, 2/8, 4/8, 5/8, 6/8, 7/8), heat sink 7-1.Remov

38、e the pre main unit. (See Procedure 4.) 7-2.Remove the panel. (See Step 6-2.) 7-3.Remove the four (4) hexagonal nuts marked 140 and four (4) screws marked 50A. The MAIN circuit board (2/8) can then be removed. (Fig. 4) 7-4.Remove the five (5) screws marked 50B and the three (3) screws marked 55 from

39、 the rear panel. The DM circuit board can then be removed. (Fig. 4) 7-5.Remove the four (4) screws marked 50C. The MAIN circuit board (1/8) can then be removed. (Fig. 4) 7-6.Remove the four (4) screws marked 130. The MAIN circuit boards (4/8, 5/8, 6/8, 7/8) can then be removed. (Fig. 4) 7-7.Remove t

40、he four (4) screws marked 110A. The heat sink can then be removed. (Fig. 4) Fig.3 50: Bind Head Tapping Screw-B 3.0X8 MFZN2BL (EP600190) 110: Bind Head Tapping Screw-C A4.0X8 MFZN2BL (VC688900) 210: Hexagonal Nut 9.0 12X2 MFNI33 (LX200060) 220: Flat Washer 9X14 0.5 FNM3 (VL802300) 110 4/87/86/85/8 1

41、/8 110 210 220 290310290290 MAIN 3/8 FRONT (PN1/2) 50 MAINMAINMAINMAIN MAIN DM DG60FX-112 14 Battery VN103500 VN103600(Battery holder for VN103500) Notice for back-up battery removal Push the battery as shows in figure, then the battery will pop up. Fig.4 50: Bind Head Tapping Screw-B 3.0X8 MFZN2BL

42、(EP600190) 55: Bind Head Tapping Screw-P 3.0X12 MFZN2BL (VC161100) 110: Bind Head Tapping Screw-C A4.0X8 MFZN2BL (VC688900) 130: Bind Head Screw SP 3.0X12 MFZN2Y (VB763800) 140: Hexagonal Nut 12.0 14X2 MFC2BL (VD794100) 8.Power transformer 8-1.Remove the pre main unit. (See Procedure 4.) 8-2.Remove

43、the panel. (See Step 6-2.) 8-3.Remove the four (4) screws marked 110B. The transformer can then be removed. (Fig. 4) 140140 50A50A55 50B 50B 50C 50C 50C 110B110A50B130 110A 130 110A 130 110A 130 DM MAIN 1/8 MAIN 2/8 Power Transformer Rear panel DG60FX-112 15 C.Foot switch 9.Foot switch 9-1.Remove th

44、e six (6) screws marked 110A and then remove the bottom plate. (Fig. 5) 9-2.Remove the two (2) screws marked 110B and hexagonal nuts marked 90 and then remove the REAR circuit board (MAIN 8/8). (Fig. 5) 9-3.Remove the four (4) hexagonal nuts from the foot switch. The SW, LED circuit board (PN2/2) ca

45、n then be removed. (Fig. 5) Fig.5 90: Hexagonal Nut 9.0 12X2 MFNI33 (LX200060) 110: Bind Head Tapping Screw-B 3.0X8 MFZN2BL (EP600190) 110A 110A 110A 110A 90 110B Hexagonal nutHexagonal nut Foot switch REAR (MAIN 8/8) SW, LED (PN2/2) View A DG60FX-112 16 LSI PIN DESCRIPTION PIN NO. 1 2 3 4 5 6 7 8 9

46、 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 I/O O O I I I I I I I I O O O I I O I I/O I/O I/O I/O I/O I/O I/O I/O I/O I/O I/O I/O I/O I/O I/O I/O O O O O O O O O O O O O PA6 PA7 VCC PB0 PB1 PB2 PB3 PB4 PB5 PB6/DREQ0 PB7/

47、DREQ1 /RESO VSS P90/TXD0 P91/TXD1 P92/RXD0 P93/RXD1 P94/SCK0 P95/SCK1 P40/D0 P41/D1 P42/D2 P43/D3 VSS P44/D4 P45/D5 P46/D6 P47/D7 D8 D9 D10 D11 D12 D13 D14 D15 VCC A0 A1 A2 A3 A4 A5 A6 A7 VSS A8 A9 A10 A11 NAME Port A Address bus Power supply Port B Reset Ground Transmit data (MIDI OUT) KSN-ACK Rece

48、ive data (MIDI IN) KSN-RX Port 9 Port 9 (Ground) Data bus Power supply Address bus (Ground) FUNCTION PIN NO. 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 I/O O O O O O O O O I I I O I I I I O O O O O I I I I I I I I I I I I O O O O O I I I O O O A12 A13 A14 A15 A16 A17 A18 A19 VSS P60/WAIT P61