Yamaha AG-STOMP GA 011589 Service Manual Download Page 7 | Manualshive

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AG-Stomp

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Power Switch (STAND-BY ON/OFF)
Power Adaptor Jack (AC IN 12V 1A)
Guitar Power Supply Switch
MIDI OUT Jack
MIDI IN Jack
Digital Output Jack (DIGITAL OUT)
EXP. PEDAL Jack
Headphone Jack (PHONES)
Output Jacks (OUTPUT R, L/MONO)
INPUT Jack
Input MUTE Switch

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@5

Footswitch Section

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Footswitches 1, 2, 3
Bank Switch (AUTO F.R./BANK/TUNER)

Rear Panel

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#1

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#5

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Summary of Contents for AG-STOMP GA 011589

Page 1: ...ECIFICATIONS 3 4 PANEL LAYOUT 5 BLOCK DIAGRAM 8 CIRCUIT BOARD LAYOUT 10 WIRING 11 DISASSEMBLY PROCEDURE 12 LSI PIN DESCRIPTION 15 IC BLOCK DIAGRAM 18 CIRCUIT BOARDS 20 TEST PROGRAM 28 ERROR MESSAGES 32 MIDI IMPLEMENTATION CHART 33 PARTS LIST OVERALL CIRCUIT DIAGRAM This document is printed on chlorine free ECF paper with soy ink ...

Page 2: ...anges in specification are subject to change without notice or obligation to retrofit Should any discrepancy appear to exist please contact the distributor s 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 IMPORT...

Page 3: ...EDBACK REDUCTION FREQ FEEDBACK REDUCTION DEPTH CHORUS SPEED DELAY TIME CHORUS DEPTH DELAY FEED BACK CHORUS LEVEL DELAY LEVEL REVERB LEVEL OUTPUT Footswitch x4 1 2 3 BANK Rear Panel STAND BY ON OFF MUTE 9V SUPPLY ON OFF Display 7 Segment LED 3 digit x1 Push Switch LED x17 Footswitch LED x4 Connections INPUT Standard Stereo Phone Jack OUTPUT L MONO R Standard Stereo Phone Jack TRS Bal anced PHONES S...

Page 4: ...AG Stomp 4 ...

Page 5: ...p Panel PANEL LAYOUT 1 2 3 4 5 6 UP Button DOWN Button MANUAL Button UTILITY Button STORE Button Display Display Main Section Foot Switch Section Display Main Section Effect Section Pre Amplifier Section q w e r t y ...

Page 6: ...rol BLEND STEREO VOLUME Tone Controls OUTPUT Level Control SHIFT Button LIMITER Button LEVEL Feedback Reduction Buttons Frequency Control FREQ DEPTH Control CHORUS DELAY Effect Buttons SPEED TIME Control DEPTH FEEDBACK Control LEVEL Reverb Effect Buttons REVERB Volume 5 4 6 7 9 0 1 3 8 2 3 Effect Section u i o 0 1 2 ...

Page 7: ...12V 1A Guitar Power Supply Switch MIDI OUT Jack MIDI IN Jack Digital Output Jack DIGITAL OUT EXP PEDAL Jack Headphone Jack PHONES Output Jacks OUTPUT R L MONO INPUT Jack Input MUTE Switch 4 5 Footswitch Section 24 25 Footswitches 1 2 3 Bank Switch AUTO F R BANK TUNER Rear Panel 6 7 8 0 1 2 3 5 6 4 9 ...

Page 8: ... IC8 IC101 W101 CN301 CN101 CN301 CN W102 3 1 3 7 4 2 1 IC102 2 1 IC102 6 7 IC104 5 6 3 4 26 27 IC10 IC11 PB0 PB7 SW R0 R3 IC12 DOUT 16 DM1 2 CN1 PN1 2 CN304 DM1 2 CN3 PN1 2 CN302 AN0 AN3 SELECT A SELECT B DM PN A A PN 2 2 PN 1 2 1 2 1 2 DM 2 2 ...

Page 9: ...IC114 IC105 OUTPUT OUTPUT IC105 IC106 IC106 IC103 5 7 3 1 3 1 3 1 6 7 1 IC103 6 7 2 3 1 2 3 1 2 3 1 2 3 1 15 17 CN301 1 CN301 CN101 SW 100 SW LINE DM1 2 CN2 PN1 2 CN303 LED MOD LED REV SW 010 LED FOOT SW 001 RXDO TXDO A A PN 2 2 PN 1 2 ...

Page 10: ...AG Stomp 10 CIRCUIT BOARD LAYOUT 1 2 1 2 2 2 PN DM 2 2 DM PN ...

Page 11: ...460 V611450 CN301 CN304 CN1 CN2 CN3 CN310 CN309 CN308 CN307 CN303 CN101 W101 W102 CN302 CN305 CN306 V611480 PN 2 2 1 2 DM DM PN Note When installing the DM circuit board use care not to have the wire assembly caught by the bottom case CNB V698560 1 ...

Page 12: ...e DM1 2 circuit board can then be removed Remove the four 4 toothed washer internal tooth forms marked T70 as well when removing the DM1 2 circuit board from the main body Fig 2 2 3 DM2 2 Circuit Board Manhour requirement 5 min Remove the one 1 hexagonal nut marked T50B and one 1 flat washer marked T60B The DM2 2 circuit board can then be removed Bottom 30 30 T110A T50A T60A T50B T60B T120 Rear T5...

Page 13: ...case See Procedure 1 3 2 Remove the DM1 2 and DM2 2 circuit boards See Procedure 2 3 3 1 PN1 2CircuitBoard Manhourrequirement 10min Remove the controls knobs and hexagonal nuts from the front panel the three 3 screws marked T110 and the shield film from the PN1 2 circuit board The PN1 2 circuit board can then be removed Fig 3 3 3 2 PN 2 2 Circuit Board Manhour requirement 5 min Remove the four 4 h...

Page 14: ... 4 2 Remove the DM circuit board See Procedure 2 4 3 Remove the two 2 screws marked A a from the soldered face of the DM circuit board and the three 3 screws marked A b from IC112 IC113 and IC114 The heat sink can then be removed from the DM circuit board Fig 4 A a A a A b IC114 IC113 IC112 Heat Sink ...

Page 15: ... 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 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 ...

Page 16: ...V Data bus of internal register WAIT output Ground Serial data input Ground Power supply 5 V Serial data output Ground Parallel data bus Power supply 5 V Power supply 3 3 V 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 14...

Page 17: ...smitter DM IC17 PIN NO 1 2 3 4 5 6 7 8 9 10 11 12 13 14 I O I I I I I I I I I I I O VREFH VREFL AINR AINR AINL AINL VA AGND DIF0 DIF1 LRCK SCLK SDTI SDTO NAME Positive Voltage Reference Input VA Negative Voltage Reference Input AGND Rch Analog Positive Input Rch analog Negative Input Lch Analog Positive Input Lch analog Negative Input Analog Power Supply Analog Ground Audio Data Interface Format A...

Page 18: ...5DT XZ113A00 DM IC110 Quad D Type Flip Flop 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 1 2 3 4 5 6 7 15 14 13 12 11 10 16 CL 1Q 1Q 1D 2D 2Q 2Q VDD 4Q 4Q 4Q 3D 3Q 3Q 8 9 Vss CK Q Q D CK CL D Q CK C LQ Q CK CK CL Q CL Q D Q D 1 2 3 4 5 6 7 15 14 13 12 11 10 16 N C V BAT1 V OUT V OUT V BAT2 ALARM1 ALARM1 CON...

Page 19: ...Q 8D 7D 7Q 6Q 6D 5D 5Q CLOCK 1 2 3 4 5 6 7 OY 2Y Y COM 3Y 1Y INH VEE 16 15 14 13 12 11 10 VDD 2X 1X X COM OX 3X A 2Y Y COM 3Y 1Y INH 2X 0Y B 1X X COM 0X 3X A 8 VSS 9 B NJM072M XC458A00 DM IC101 OP AMP Output A Inverting Input A Non Inverting Input A DC Voltage Supply DC Voltage Supply Output B Inverting Input B Non Inverting Input B 1 2 3 4 8 7 6 5 V NJM5532M XC011A00 DM IC102 IC103 NJM4556AMT1 XQ...

Page 20: ...AG Stomp 20 to PN1 2 C CN101 to PN1 2 CN301 A A INPUT MONO TRS for POWER SUPPLY DIGITALOUT COAXIAL CIRCUIT BOARDS DM 2 2 Circuit Board DM 1 2 Circuit Board Component side ...

Page 21: ...21 AG Stomp Component side to PN1 2 CN304 to PN1 2 CN303 to PN1 2 CN302 A A DIGITALOUT COAXIAL POWER SUPPLY ON OFF CNA V717790 2 ...

Page 22: ...AG Stomp 22 A A DM 1 2 Circuit Board ...

Page 23: ...23 AG Stomp Pattern side A A DM 2 2 Circuit Board Pattern side ...

Page 24: ...AG Stomp 24 to PN2 2 CN306 to DM1 2 CN3 A A A A PN 1 2 Circuit Board PN 2 2 Circuit Board PN CNA V776560 LD302 LD303 LD304 and LD306 installation Anode ...

Page 25: ...25 AG Stomp Component side Component side 3 to DM1 2 CN2 to DM1 2 CN1 to DM1 2 CN103 A A A A ...

Page 26: ...AG Stomp 26 to SW to SW A A A A PN 1 2 Circuit Board PN 2 2 Circuit Board ...

Page 27: ...27 AG Stomp to PN1 2 CN305 to SW to SW o SW A A A A Pattern side Pattern side ...

Page 28: ...le pressing the MANUAL STORE and ROOM switches turn on the POWER switch The TEST program will then be started At this time check to make sure that the model name AG S is displayed for about 2 seconds The digit at the left end of the 7 segment LED indicates the test No D SELECTING THE TEST NUMBER Using the UP and DOWN switches select the test number and press the STORE switch to start testing E OPE...

Page 29: ...s the UTILITY switch for resetting 2 VR Check Be sure to set each of VR SW and EXP PEDAL to be checked at its center position 1 Using the UP and DOWN switches select 2 This step can be skipped if 2 is already selected 2 Press the STORE switch to start checking LED display 3 Turn MIC SW p counterclockwise LED display 4 Turn MIC SW p clockwise LED display 5 Set MIC SW p at the center position 6 Turn...

Page 30: ...y selected 2 Press the STORE switch If the check result is OK all LED segments light up and go out The checking function will proceed to the next step Incaseofanerror E appearsattheleftendofthe LED 0 at the right end indicates IC2 and 1 indicates IC3 5 FLASH ROM Check 1 Using the UP and DOWN switches select 5 This step can be skipped if 5 is already selected 2 Press the STORE switch If the check r...

Page 31: ...NPUT MUTE 10dBm 1kHz MUTE SW ON SW101 INPUT MUTE 10dBm 1kHz MUTE SW ON SW101 INPUT MUTE 10dBm 1kHz MUTE SW ON JK101 INPUT 10dBm 1kHz JK101 INPUT 10dBm 1kHz JK101 INPUT 10dBm 1kHz JK101 INPUT 10dBm 1kHz JK101 INPUT 10dBm 1kHz JK101 INPUT 10dBm 1kHz JK101 INPUT 10dBm 1kHz JK103 OUT L MONO 5dBm 3dB HOT JK103 OUT L MONO 5dBm 3dB HOT JK103 OUT L MONO 5dBm 3dB HOT JK103 OUT L MONO 5dBm 3dB COLD JK103 OU...

Page 32: ... the amount of data being sent or break the data into smaller blocks E2 Communication Error CAUSE An abnormality is detected during MIDI communications SOLUTION Check all connections etc and try again E3 Bulk Receive Check Sum Error CAUSE The check sum does not match the received MIDI bulk dump data SOLUTION Check all connections and transmitted data and try again E4 Bulk Receive Data Abnormality ...

Page 33: ...e x Velocity Note ON x x Note OFF x x After Key s x x Touch Ch s x x Pitch Bender x x 0 x x 1 31 o o 32 63 x x 64 95 o o Control 95 127 x x Change Prog o 0 127 o 0 127 Change True 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 Active Sense o x s...

Page 34: ...eable The second letter of the shaded part number is O not zero The second letter of the shaded part number is I not one 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 220 N X General export model Y Export model A Australian model B British model C Canadian model D German model E European model F French ...

Page 35: ...AG Stomp 2 OVERALL ASSEMBLY 40 70 T50 T60 T120 T110 T20 T10 T170 T100 T110 T110 T140 T150 T160 T130 10 20 30 100 T40b T80 T30 T70 T90 60 80 50 T40a ...

Page 36: ...asher 9X14 0 5 FNM3 5 01 T70 Toothed Lock Washer 9 0 MFZN2Y 4 01 T80 Flat Washer 12X17 0 5 MFNI33 4 T90 Select Button UP DOWN MANUAL UTILITY 17 01 STORE LIMITER FB REDU 1 2 3 4 5 CHORUS DELAY REV HALL ROOM PLATE SHIFT T100 Shield Film V585150 T110 Bind Head Tapping Screw B 3 0X8 MFZN2BL 7 01 T120 Bind Head Tapping Screw P 3 0X12 MFZN2BL 3 01 T130 Wire Assembly C C 28 14P L 50 V610850 T140 Wire Ass...

Page 37: ...apacitor chip 0 0100 50V K C101 Ceramic Capacitor chip 0 2200 50V Z C102 Ceramic Capacitor chip 100P 50V J C103 Electrolytic Cap 10 00 35 0V 01 C104 Ceramic Capacitor chip 10P 50V D C105 Electrolytic Cap BP 10 00 35 0V C106 Ceramic Capacitor chip 10P 50V D C107 Ceramic Capacitor chip 0 1000 25V Z C108 Ceramic Capacitor chip 0 1000 25V Z C109 Ceramic Capacitor chip 22P 50V J C110 Ceramic Capacitor ...

Page 38: ...0 00 16 0V 01 C176 Electrolytic Cap 1000 16 0V 01 C177 Electrolytic Cap 1000 16 0V 01 C178 Electrolytic Cap 470 00 35 0V 01 181 Electrolytic Cap 470 00 50 0V 01 C182 Ceramic Capacitor chip 0 1000 50V Z C183 Ceramic Capacitor chip 0 1000 50V Z C184 Ceramic Capacitor chip 0 1000 25V Z C185 Ceramic Capacitor chip 0 1000 25V Z C186 Electrolytic Cap 100 00 25 0V 01 C187 Electrolytic Cap 100 00 25 0V 01...

Page 39: ... 107 Jumper Wire 0 55 VA07890 K101 Terminal Plate 01 L1 Chip Inductor BLM21B751S 03 6 Chip Inductor BLM21B751S 03 L7 Pulse Transformer TC 1019 06 7mm 04 L8 Noise Filter ZJYS51R5 2PT L101 Filter PLT2003C 04 RA1 Resistor Array 10KX4 18 Resistor Array 10KX4 R3 Carbon Resistor chip 10K 0 1 J R5 Carbon Resistor chip 10K 0 1 J R6 Carbon Resistor chip 100 0 1 J 10 Carbon Resistor chip 100 0 1 J R11 Carbo...

Page 40: ...0 1 4 J R139 Carbon Resistor chip 100 1 4 J R140 Carbon Resistor chip 2 2K 0 1 J R141 Carbon Resistor chip 18K 0 1 J R142 Carbon Resistor chip 47K 0 1 J R143 Carbon Resistor chip 47K 0 1 J R144 Carbon Resistor chip 47K 0 1 J R145 Carbon Resistor chip 330 1 4 J R146 Carbon Resistor chip 270 1 4 J R147 Carbon Resistor chip 10K 0 1 J R148 Carbon Resistor chip 100K 0 1 J R149 Carbon Resistor chip 330 ...

Page 41: ...se Post 6P SE 01 CN302 Base Post 9P SE 01 CN303 Base Post 11P SE CN304 Base Post 12P SE 01 CN305 Base Post 14P SE 01 CN306 Base Post 14P TE CN307 Base Post 2P TE 01 310 Base Post 2P TE 01 C301 Ceramic Capacitor chip 0 1000 25V Z 315 Ceramic Capacitor chip 0 1000 25V Z D301 Diode 1SS355 TE 17 01 321 Diode 1SS355 TE 17 01 IC301 IC 74HC374DT D FF 02 307 IC 74HC374DT D FF 02 IC308 IC 74HC4052DT Multip...

Page 42: ...ITY 02 317 Push Switch SKHQFN GREEN STORE LIMITER 02 FB REDU 1 2 3 4 5 CHORUS DELAY REV HALL ROOM PLATE SHIFT SW318 Rotary Switch SRBV18 1C8S MIC TYPE 07 VR301 Rotary Variable Resistor RK09L1140 10KB BLEND STEREO VOLUME BASS 03 313 Rotary Variable Resistor RK09L1140 10KB MIDDLE TREBLE PRESENCE 03 LIMITER LEVEL FB REDU FREQ DEPTH CHORUS DELAY SPEED TIME DEPTH FB LEVEL REV LEVEL VR314 Rotary Variabl...

Page 43: ...ME BASS MIDDLE TREBLE PRESENCE LIMITER LEVEL FEEDBACK REDUCTION CHORUS DELAY REVERB FREQ DEPTH SPEED TIME DEPTH FEEDBACK LEVEL LEVEL OUTPUT FREQ PN KEC 54234 1 D FF D FF D FF D FF D FF D FF D FF to DM1 2 CN1 to DM1 2 CN2 MULTIPLEXER MULTIPLEXER to DM CN101 7 Segment LED 1 2 PN to DM1 2 CN3 UP DOWN MANUAL UTILITY STORE LIMITER FB 1 FB 2 FB 3 FB 4 FB 5 CHORUS DELAY SHIFT HALL ROOM PLATE KEC 54234 1 ...

Page 44: ...NVERTER SHIFT REGISTANT REGULATOR REGULATOR 1 2 DM 2 2 DM from A P3 A4 to B P3 A6 Note See parts list for details of circuit board component parts Ceramic Capacitor NJM7815FA XD853A00 REGULATOR 15V 1 2 3 DM IC113 2 GND 3 OUTPUT 1 INPUT XZ162A00 3 INPUT 1 OUTPUT 2 COMMON NJM7915FA XD854A00 DM IC114 REGULATOR 15V 2 GND 1 INPUT 3 OUTPUT 3 2 1 1 3 NJM78M05DLA DM IC111 REGULATOR 5V 2 1 3 2 3 OUTPUT 2 G...

Page 45: ...p AG Stomp OVERALL CIRCUIT DIAGRAM 3 3 DM AG Stomp SRAM SRAM ASSP AND DSP6 DRAM DRAM FLASH ROM OR OR OR OR OR AND AND AND REGULATOR INVERTER BUFFER BUFFER BUFFER BUFFER PHOTO COUPLER CPU to PN1 2 CN304 to PN1 2 CN303 to PN1 2 CN302 from B P2 K6 to A P2 K6 1 2 DM P1 E5 P1 E5 P1 G8 P3 ...

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