Yamaha DG80-112 Service Manual Download Page 1 | Manualshive

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Yamaha DG80-112 Service Manual Download Page 1

GA

011459

19990301-148000

SERVICE MANUAL

HAMAMATSU, JAPAN

2.02K-186

Printed in Japan '99.02

GUITAR AMPLIFIER

CONTENTS

SPECIFICATIONS ····································································· 3
PANEL LAYOUT········································································ 4
CIRCUIT BOARD LAYOUT ······················································· 5
BLOCK DIAGRAM ····································································· 6
DISASSEMBLY PROCEDURE·················································· 6
LSI PIN DESCRIPTION ····························································· 9
IC BLOCK DIAGRAM ······························································ 12
CIRCUIT BOARDS ·································································· 14
TEST PROGRAM ···································································· 18
ERROR MESSAGES······························································· 21
MIDI IMPLEMENTATION CHART ··········································· 22
PARTS LIST

1
2
3
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Summary of Contents for DG80-112

Page 1: ...ted in Japan 99 02 GUITAR AMPLIFIER CONTENTS SPECIFICATIONS 3 PANEL LAYOUT 4 CIRCUIT BOARD LAYOUT 5 BLOCK DIAGRAM 6 DISASSEMBLY PROCEDURE 6 LSI PIN DESCRIPTION 9 IC BLOCK DIAGRAM 12 CIRCUIT BOARDS 14 TEST PROGRAM 18 ERROR MESSAGES 21 MIDI IMPLEMENTATION CHART 22 PARTS LIST ...

Page 2: ...emaan tyyppiin Hävitä käytetty paristo valmistajan 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 IMPORTANT NOTICE This manual has been provided for the use of...

Page 3: ...AMP SELECT display LED x 8 MODE display LED x 3 REVERB type display x 3 7 segment LED x 2 digits Indicator Trim Level Display LED Green Trim Clip Display LED Red Connection Jacks INPUT HIGH LOW Standard Phone Mono Jack SPEAKER x2 Standard Phone Mono Jack EFFECT SEND RETURN Standard Phone Mono Jack LINE OUT Cannon Jack MIDI IN MIDI OUT 5 pin DIN A D Converter 20 bit D A Converter 20 bit Sampling Fr...

Page 4: ... Select Button REVERB Reverb Type Display Lamp SPRING HALL PLATE Mode Select Button MODE Mode Display Lamp AMP TAPE ECHO UTIL Display Buttons Store Button STORE Recall Button RECALL Power Switch POWER Speaker Jacks SPEAKER1 2 EXT MIDI OUT Jack MIDI IN Jack Effect Blend Control EFFECT BLEND Effect Return Jack EFFECT RETURN Effect Send Jack EFFECT SEND Line Out Jack LINE OUT Line Out Level Control L...

Page 5: ...DM ANR ANF2 1 5 MAIN AC cord Power Transformer Power Switch ANR ANR ANF 5 5 MAIN 4 5 MAIN 3 5 MAIN 2 5 MAIN 1 5 MAIN 1 5 MAIN DM DM VR VR PN PN DG80 112 5 CIRCUIT BOARD LAYOUT ...

Page 6: ...0 1 60 Hexagonal Nut 5 0 MFC2BL 20040400 30A Oval Head Screw 5 0X35 MFC2BL VP104600 70 Oval Head Tapping Screw 1 4 0X30 MFC2BL EN240090 Fig 1 Fig 2 70 60A X4 Connector assembly speaker Speaker Back board U Pre main unit Pre main unit 70 30A 1 Pre Main Unit 1 1 Remove the four 4 screws marked 70 The back board U can then be removed Fig 1 1 2 Remove the plug of the connector assembly speaker located...

Page 7: ...rd 6 1 Remove the pre main unit See Procedure 1 6 2 Remove the two 2 screws marked 150A and the seven 7 screws marked 50 The DM circuit board assembly can then be removed Fig 3 6 3 Remove the screw marked 30C the two 2 screws marked 40 the two 2 knobs marked 60B and the two 2 hexagonal nuts marked A The ANR circuit board assembly can then be removed Fig 3 6 4 Remove the two 2 screws marked 20d The...

Page 8: ... 11 2 Remove the front panel assembly See Procedure 3 11 3 Remove the eight 8 knobs marked 100 and the four 4 screws marked 30D The VR circuit board assembly can then be removed Fig 5 11 4 Remove the eight 8 hexagonal nuts marked C The VR circuit board can then be removed from the VR circuit board assembly Fig 6 12 Replacement of The Lithium Battery 12 1 Remove the pre main unit See Procedure 1 12...

Page 9: ...5 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 BREQ P62 BACK Ø STBY RES NMI VSS EXTAL XTAL VCC AS RD HWR LWR MD0 MD1 MD2 AVCC VREF P70 AN0 P71 AN1 P72 AN2 P73 AN3 P74 A...

Page 10: ...PU data bus DTACK signal output Serial data input Ground Power supply Serial data output Parallel data bus Power supply FUNCTION YSS228E F XQ962D00 DSP3 Digital Signal Processor DM IC2 3 PIN NO 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 1...

Page 11: ...e FUNCTION AK5390 VP XQ199A00 ADC Analog Digita Converter DM IC118 PIN NO 1 2 3 4 5 6 7 8 I O I I I I DATA CLOCK Vdd DGND Vdd LE NC NC NAME Serial data input Bit clock Digital power supply 5 V Digital ground Digital power supply 5 V Latch enable Reserved Reserved FUNCTION PIN NO 9 10 11 12 13 14 15 16 I O I O O I O I O Vcc BPO DC I OUT AGND AGND SERVO DC REF DC Vcc NAME Analog power supply 5 V BPO...

Page 12: ...4HC164AF XQ967A00 8 Bit Shift Register SN74HC374ANSR XQ042A00 Octal 3 State D Type Flip Flop Vcc 8Q 8D 7D 7Q 6Q 6D 5D 5Q CLOCK Q D CK OE Q D CK OE CK Q D CK OE Q D CK OE 1G 1A1 2Y4 1A2 2Y3 1A3 2Y2 1A4 2Y1 1 20 2 19 3 18 4 17 5 16 6 15 7 14 8 13 9 12 10 11 VDD Vcc 2G 1Y1 2A4 1Y2 2A3 1Y3 2A2 1Y4 2A1 GND Vss Q CL Q D CK 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 Q CL...

Page 13: ... P R E D R I V E R 5 6 4 3 2 8 10 9 7 Vcc2 OUT2 P2 Vcc1 OUT1 P1 1 I N P U T L O G I C N C V BAT1 V OUT V OUT V BAT2 ALARM1 GND CONTROL N C V IN V IN V SENSE C T RESET RESET ALARM1 1 2 3 4 5 6 7 8 10 9 13 12 11 16 15 14 2 3 4 5 6 7 8 9 10 11 12 16 14 13 C T V BAT2 V BAT1 ALARM2 RESET RESET ALARM1 V OUT V OUT V IN V IN V SENSE CONTROL GND 590k 240k 1 24V Reference Voltage Power Supply Circuit S Q R ...

Page 14: ...xt test no so the LED shows a 1 Error Number not appearing 1 Switch Check Press the RECALL key when the LED display shows 1 The Switch Check is started and the LED display shows the first check number 11 Test Contents Press the keys according to the LED display guide in the order as below The Exit function of the STORE key is available on the error status 11 LEAD1 Program Switch 12 LEAD2 Memory Sw...

Page 15: ...ta in the Flash Memory Don t turn the POWER switch off while executing this test the DG80 112 won t set up at normal mode by no data in the Flash Memory Test Contents The Flash Memory Erase Write check is executed automatically When the check is started the LED display shows from 70 to 73 successively When all the LEDs light simultaneously the Flash Memory Erase Write check is finished Then the DG...

Page 16: ...ess the RECALL key when the LED display shows 9 The mode of the DG80 112 changes to the normal mode and all of the function data are set to the condition of the latest program number in normal mode The Motor Drive Volumes rotate automatically to the settings of that data Items 1 Input Sensitivity High 2 Input Sensitivity Low 3 RETURN Level 4 SEND Level 5 LINE OUT Level 6 Frequency Response HIGH IN...

Page 17: ...t one time SOLUTION Try reducing the amount of data being sent or break the data into smaller blocks Communication Error CAUSE An abnormality is detected during MIDI communications SOLUTION Check all connections etc and try again Bulk Receive Check Sum Error CAUSE The check sum does not match the received MIDI bulk data SOLUTION Check all connections and data and try again Bulk Receive Data Abnorm...

Page 18: ... Touch Ch s x x Pitch Bender x x 0 6 x x 7 x o Main Volume 8 90 x x 91 x o Reverb SW Control 92 93 x x 94 x o Tape Echo SW Change 95 127 x x Prog x o 0 127 Program Change Change True Number 1 128 System Exclusive o o Bulk Dump System Song Pos x x Song Sel x x common Tune x x System Clock x x Real Time Commands x x Aux All Sound OFF x x Reset All Cntrls x x Local ON OFF x x All Notes OFF x x Mes Ac...

Page 19: ...CIRCUIT BOARDS DG80 112 14 MIDI IN OUT to DM CN9 Component side ENA VZ77180 1 10 3 DM Circuit Board Note See parts list for details of circuit board component parts ...

Page 20: ...DG80 112 15 to DM CN9 Pattern side ENA VZ77180 2 10 1 DM Circuit Board Note See parts list for details of circuit board component parts ...

Page 21: ...D BASS TIME PRESENCE FEED BACK REVERB LEVEL Component side Component side Pattern side VR CNA V297690 1 10 PN CNA V297070 1 5 2 5 3 1 1 PN Circuit Board VR Circuit Board Panel Layout Note See parts list for details of circuit board component parts ...

Page 22: ...ide Component side Component side LOW INPUT TRIM OUTPUT HIGH CNA V297690 1 10 EFFECT SEND RETURN BLEND 5 5 4 5 3 5 2 5 1 5 3 MAIN Circuit Board ANR Circuit Board ANF2 Circuit Board ANF Circuit Board Note See parts list for details of circuit board component parts ...

Page 23: ...ER PARTS LIST A Australian model B British model C Canadian model D German model E European model F French model H North European model I Indonesian model J Japanese model M South African model O Chinese model Q South east Asia model T Taiwan model U U S A model V General export model 110V W General export model 220V X General export model Y Export model Notes DESTINATION ABBREVIATIONS WARNING Com...

Page 24: ...DG80 112 2 OVERALL ASSEMBLY Pre main unit See page 4 Overall cabinet assembly See page 10 ...

Page 25: ...thed Lock Washer A REF NO 10 10 10 10 20 30 40 50 60 70 80 90 100 102 104 110 122 132 142 152 PART NO V3063000 VP104600 EW300020 XV536A00 20040400 EN240090 VB890200 VR144600 VP156800 VA039300 ET800070 5 0X35 MFC2BL 5S MFC2BL G12H 100 5 0 MFZN2BL 4 0X30 MFC2BL 4S MFC2BL L 500mm SP frame A4 0X8 MFZN2BL 4 0 MFZN2BL REMARKS DG80 112 J V304070 DG80 112 U V304080 DG80 112 E V304090 DG80 112 B V304120 J ...

Page 26: ...DG80 112 4 PRE MAIN UNIT 100a 40b 40c 40a DM Circuit board assembly Chassis assembly See page 8 Front panel assembly See page 6 Power switch assembly Power transformer AC cord assemdly ...

Page 27: ...20 30 40 40a 40b 40c 50 60 70 80 90 100 100a 110 110 110 110 120 120 130 140 150 160 172 182 195 208 PART NO VP156800 VZ771800 V3034500 EP600230 VP156800 VU578300 V3034600 V3034700 VP156700 V2217000 MG000610 VZ176600 VZ971600 V2017600 CB806850 CB032840 VZ735700 CB069250 EP600190 VP156800 ET800070 VH096700 A4 0X8 MFZN2BL DM 3 0X6 MFZN2BL A4 0X8 MFZN2BL S DSTA 1 Left Right A3 0X8 MFZN2BL JW 2P 15A 2...

Page 28: ...DG80 112 6 FRONT PANEL ASSEMBLY P90 P20 P30 P40 P80 P10 P70 20b 20a P60 P50 P100 PN circuit board assembly VR circuit board assembly ...

Page 29: ...EF NO 10 20 20 20 20 20a 20a 20a 20a 20b 30 40 40 40 40 50 60 70 80 90 100 110 120 130 140 140 140 140 P10 P20 P30 P40 P50 P60 P70 P80 P90 P100 PART NO V3034300 V2979400 V2979500 V2979600 V2979700 VZ736100 EP600230 V2978000 V2978100 V2978200 V2978300 ET800080 ET800150 V3034800 EP600230 VV945400 VU578300 LX200060 VL802300 V2978400 V2978700 V2978800 V2978900 V2970700 VV374000 VV374100 VZ739800 VZ739...

Page 30: ...DG80 112 8 CHASSIS ASSEMBLY ANR circuit board assembly 20c 20b 20a 20d ...

Page 31: ... 72 74 80 90 95 100 110 115 120 130 140 150 160 170 180 190 205 210 220 PART NO V3034400 V2977400 V2977500 V2977700 V2977900 VZ746600 VZ746500 EK400500 VP156700 EP600190 V2979000 V2979100 V2979200 V2979300 EP600230 XU118A00 XU295A00 XU296A00 VP156800 VZ735900 VZ736000 VP156600 VZ739200 V0029700 VP156900 VZ736400 VK196000 EL200070 LB201120 VL786300 LX200060 VL802300 CA060690 CB069250 ANR ANR ANR AN...

Page 32: ... Screw Back Board Shield Sheet REF NO 10 20 30 31 40 50 50a 50b 60 61 70 80 PART NO V3063000 AA809050 EX808230 NB812640 V3062900 V2237300 V3623800 CB023200 03702420 V3063300 V3053400 BL 3 5X16 FNM33G 3 0X10 MFZN2BL BL 3 5X25 MFZN2BL REMARKS DG80 112 V306280 V306320 QTY 6 12 2 4 4 2 New Parts RANK 05 07 09 01 RANK Japan only OVERALL CABINET ASSEMBLY 50b 50a Front board assembly Handle assembly ...

Page 33: ...O VZ771800 V2979400 V2979500 V2979600 V2979700 V2978000 V2978100 V2978200 V2978300 V2978400 V2978700 V2978800 V2978900 V2977400 V2977500 V2977700 V2977900 V2979000 V2979100 V2979200 V2979300 V2970700 VZ771800 VS246300 VS246400 UB245100 UB245100 UB245100 UB245100 UB245100 UB245100 UB245100 UB245100 UB245100 UB245100 UB245100 UB245100 UB245100 UB245100 UB245100 UB051120 UB051120 UB245100 UB245100 UB...

Page 34: ...165 C166 C167 C168 C169 C170 C171 174 C175 C176 C177 180 C181 190 C191 195 C196 CN4 CN5 CN6 CN7 CN8 CN9 CN101 PART NO UB245100 UR847100 UR847100 UN847100 UN847100 UB245100 FG651680 FG651680 FG651220 FG651220 UB245100 UA353680 UA353680 VD930900 UB245100 VD534400 VD930900 VD534400 UR847100 UR847100 VD930900 VD930900 VD534400 UR847220 UR847220 UR847100 UR847100 VD930900 VD930900 UR847220 UR847220 UR8...

Page 35: ... IG102500 XA507A00 XG780A00 XT384A00 VK519000 VS740100 RD255270 RD257100 RD257100 RD255100 RD255100 RD255100 RD255100 RD257100 RD257100 RD257100 RD257100 RD256100 RD257100 RD257100 RD256220 RD255220 RD255220 RD255220 RD257100 RD259100 RD255680 XH 8P TE 1SS355 TE 17 LS MT Y223NB LS MT Y223NB LS MT Y223NB LS MT Y223NB LS MT B271KB LS MT B271KB YSS228E F YSS228E F UPD424260G5 70 7JF MSM514260C 60TS K...

Page 36: ...2 R603 R604 R605 R606 R607 R608 PART NO HF757100 HF757100 RD255220 HF756330 HF756330 HF756560 HF756560 HF754470 HF754470 HF756100 HF754100 RD254100 RD254100 HF755820 HF755820 HF756470 HF756470 HF756220 HF756220 HF756100 HF756100 HF758100 HF758100 RD256470 RE047100 RE047100 VV556400 VU682100 VE463500 VN277000 V2979400 V2979500 V2979600 V2979700 UR848220 FG644100 UR847100 VD930900 VD930900 FG644100 ...

Page 37: ...7600 VA788500 VU647600 VA788500 VU647600 VA788500 VU647600 VA788500 VU647600 VA788500 VU647600 VU647600 VQ451000 VQ451000 V2978000 V2978100 V2978200 V2978300 UR866100 FG652100 UR847100 UR847100 UA354100 UA355100 LB918050 VB390200 VB941200 VB941200 IG107000 VA078900 LB301800 VR080200 VH870600 VR080300 VH870600 HF756100 HF758100 HF756470 HF757390 HF756680 HF756100 HF757100 HF757150 HF758100 HF757330...

Page 38: ...68700 FG652100 UR847100 UR847100 VB941200 VB941200 IG107000 LB301800 HF757100 HF759100 HF757270 HF756470 HF757100 HF757100 HF759100 HF756470 HF756470 HF759100 V2977400 V2977500 V2977700 V2977900 UR866100 UR847100 UR847100 UR866100 UA355100 UA355100 UR847100 FG652100 UR847330 UR847100 FG613100 UR866100 FG652100 UR847100 UR847100 UR847220 UR847220 UR847100 FG652100 UR847100 UR847100 FG652100 VD93090...

Page 39: ...HF756220 HF756220 HF757120 HF757100 HF757100 HF757470 HF757470 HF758470 HF757470 HF757100 HF757100 HF756100 HF756100 HF757560 HF757470 HF757470 HF757100 HF757470 HF758470 HF757100 HF757100 HF756220 HF758100 HF758100 HF755330 HF755330 HF758220 HF755270 HF755270 HF757220 HF758220 HF757100 VZ658600 VZ658700 VQ313000 VQ313000 V2979000 V2979100 V2979200 V2979300 EP630230 VE646600 FI383470 VL802400 VS81...

Page 40: ... VD930900 LB918030 LB932050 LB932040 VG879900 VB941200 VB941200 IH001370 IH001090 VS197600 IE000010 IE000010 V0014600 KB001660 VZ093400 KB000710 VZ093400 KB000710 V0014600 KB000760 VS822500 KB000750 LB201530 LB201530 XD853A00 XD854A00 XJ607A00 VA078900 VA855400 VA855400 VA855400 VA855400 HF756220 HF757100 HF758100 HF755220 HF758100 HF758120 HF756220 HF758100 HF755220 HF758100 HF756390 HF758100 HF7...

Page 41: ...6470 HF759220 HF756270 HF758680 VC761800 HF756680 VC750000 VC749400 HV755220 VC753800 HF755470 HF755470 HF755680 HF755680 HV755150 HV754100 HV755150 VC755500 VC761800 VJ787600 VJ787600 VL369700 IC174070 IC174070 IA097030 IA097030 VE198800 VE198800 VE198700 VQ116600 VQ116600 VA107000 VY705000 VY705000 VA787900 VB244500 VA787700 VQ554700 V2970700 V2176100 UB245100 UB245100 UR847100 UB245100 UB245100...

Page 42: ...R213 R214 220 R221 234 SW201 214 PART NO RD257100 RD255820 RD255820 RD257100 RD255820 RD255820 RD255560 RD255560 KA907030 KA907030 XV536A00 VR144600 V2217000 MG000610 VZ176600 VZ971600 V2017600 XU118A00 XU295A00 XU296A00 LB201120 10 0K 0 1 J 820 0 0 1 J 820 0 0 1 J 10 0K 0 1 J 820 0 0 1 J 820 0 0 1 J 560 0 0 1 J 560 0 0 1 J SKHHAL SKHHAL G12H 100 L 500mm SP frame JW 2P 15A 2 1m 3P SJT VAR 3P 6A VA...

Page 43: ... RAM SRAM SRAM ASSP DATA SELECTOR Photo Coupler BUS BUFFER BUS BUFFER D FF D FF to VR CN602 to VR CN604 to MAIN1 5 CN308 to PN CN201 to VR CN603 to PN CN202 17 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 A B C D E F G H I J K L A B C D E F G H I J K L DG80 112 OVERALL CIRCUIT DIAGRAM 1 2 DM ANR DM See parts list for details of circuit board component parts Note...

Page 44: ...el U S Canadian models Japanese models TL T T T T3 15AL POWER Transformer POWER Switch BL WH WH BL GR BE BR BE BR GR YE GR YE KEC 54163 1 5 to ANR CN402 REGULATOR to ANR CN404 to DM CN8 MAIN 1 5 2 5 3 5 5 5 4 5 MAIN MAIN MAIN MAIN DG80 112 OVERALL CIRCUIT DIAGRAM 2 2 MAIN1 5 5 5 PN VR ANF ANF2 WARNING Components having special characteristics are marked and must be replaced with parts having speci...

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