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DG-Stomp

SERVICE MANUAL

011537

20001001-39800

1.57K-786 I.T Printed in Japan 2000.09

HAMAMATSU, JAPAN

GUITAR PRE-AMPLIFIER WITH EFFECTS

CONTENTS

SPECIFICATIONS

................................................ 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

............................. 31

MIDI IMPLEMENTATION CHART ......................................... 32
PARTS LIST
OVERALL CIRCUIT DIAGRAM

This document is printed on chlorine free (ECF) paper with soy ink.

Содержание DG-Stomp

Страница 1: ...CONTENTS SPECIFICATIONS 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 31 MIDI IMPLEMENTATION CHART 32 PARTS LIST OVERALL CIRCUIT DIAGRAM This document is printed on chlorine free ECF paper with soy ink ...

Страница 2: ...bly other entities to cause cancer and or birth defects or other reproductive harm 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 components located inside the ...

Страница 3: ...R TREBLE MIDDLE BASS PRESENCE COMP SPEED DEPTH TIME FEEDBACK LEVEL REVERB OUTPUT Footswitch x4 1 2 3 BANK Rear panel STAND BY ON OFF INPUT LOW HIGH Display 7 Segment LED 3 digit x1 Push Switch LED x17 Foot Switch LED x4 Connections Jacks INPUT Standard Monaural Phone Jack OUTPUT L MONO R Standard Monaural Phone Jack PHONES Standard Stereo Phone Jack EXP PEDAL Standard Stereo Phone Jack DIGITAL OUT...

Страница 4: ...DG Stomp 4 ...

Страница 5: ...NEL LAYOUT 1 2 3 4 5 6 Up Button UP Down Button DOWN Manual Button MANUAL Utility Button UTILITY Store Button STORE Display Display Main Section Foot Switch Section Display Main Section Effect Section Amp Section q w e r t y ...

Страница 6: ...aker Simulator Button SP SIM Compressor Button COMP 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 Knob REVERB 5 4 6 7 9 0 1 3 8 2 3 Effect Section u i o 0 1 2 ...

Страница 7: ... 12V 700mA MIDI OUT Jack MIDI IN Jack Digital Out Jack DIGITAL OUT EXP Pedal Jack EXP PEDAL Headphones Jack PHONES Output Jacks OUTPUT R L MONO Input Jack INPUT Input Level Switch LOW HIGH 4 5 Foot Switch Section 24 25 Foot Switches 1 2 3 Bank Switch TAP BANK TUNER Rear Panel 6 7 8 9 0 1 2 4 5 3 ...

Страница 8: ... IC2 IC3 IC9 IC8 IC101 3 1 IC102 2 1 IC102 6 7 IC103 2 1 6 IC103 7 IC104 5 6 3 4 26 CN301 CN301 27 IC10 IC11 PB0 PB7 SW R0 R3 DM CN1 PN CN304 DM CN3 PN CN302 AN0 AN3 SELECT A SELECT B IC308 IC309 2 4 1 DM PN 1 2 PN 2 2 A A PN 1 2 ...

Страница 9: ...KEC 54203 IC112 IC113 IC114 IC105 IC105 IC106 IC106 3 1 5 7 3 1 5 7 2 3 1 5 4 1 5 4 1 2 3 1 84 15 17 18 19 20 SW 001 SW 010 SW 100 SW LINE DM CN2 PN CN303 LED MOD LED REV LED FOOT TXDO RXDO CLD CIN CCK A A PN 2 2 ...

Страница 10: ...DG Stomp 10 CIRCUIT BOARD LAYOUT 1 2 1 2 PN DM PN ...

Страница 11: ...G 1 2 2 2 V610850 V611470 V611460 V611450 CN301 CN304 CN1 CN2 CN3 CN303 CN103 CN302 CN305 CN306 V611480 PN DM PN Note When installing the DM circuit board use care not to have the wire assembly caught by the bottom case ...

Страница 12: ...se can then be removed Fig 1 2 DM Circuit Board 2 1 Remove the bottom case See Procedure 1 2 2 Remove the four 4 screws marked 10c a and the five 5 special hexagonal nuts marked 10e from the rear panel and the three 3 screws marked 10c b from the DM circuit board The DM circuit board can then be removed Fig 2 Bottom 30 30 10c a Hexagonal Nut 10c a Rear ...

Страница 13: ...ocedure 2 3 3 1 PN1 2 Circuit Board Remove the controls knobs and special hexagonal nuts from the front panel the three 3 screws marked 10j and the shield film from the PN1 2 circuit board The PN1 2 circuit board can then be removed Fig 3 3 3 2 PN2 2 Circuit Board Remove the four 4 special hexagonal nuts from foot switches The PN 2 2 circuit board can then be removed Fig 3 Topcover 10c b DM Batter...

Страница 14: ... 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 ...

Страница 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 ...

Страница 16: ...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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 ...

Страница 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...

Страница 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...

Страница 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 IC106 NJM4556A...

Страница 20: ...RDS DM Circuit Board to PN A A CN101 N C CN103 to PN1 2 CN301 CN102 N C 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 ...

Страница 21: ...21 DG Stomp CN104 N C to PN1 2 CN304 to PN1 2 CN303 to PN1 2 CN302 A A Component side DM CNA V588000 0 ...

Страница 22: ...DG Stomp 22 A A DM Circuit Board ...

Страница 23: ...23 DG Stomp A A Pattern side ...

Страница 24: ...DG Stomp 24 to PN2 2 CN306 to DM CN3 A A A A PN 1 2 Circuit Board PN 2 2 Circuit Board PN CNA V587990 0 LD302 LD303 LD304 and LD306 installation Anode ...

Страница 25: ...25 DG Stomp to DM CN2 to DM CN1 to DM CN103 A A A A Component side Component side ...

Страница 26: ...DG Stomp 26 to SW to SW A A A A PN 1 2 Circuit Board PN 2 2 Circuit Board ...

Страница 27: ...27 DG Stomp to PN1 2 CN305 to SW to SW SW A A A A Pattern side Pattern side ...

Страница 28: ...GRAM 0 LED Check 1 SW Check 2 VR Check 3 Battery Check 4 MIDI Check 5 SRAM Check 6 DSP Check C STARTING THE TEST PROGRAM While pressing the MANUAL STORE and HALL switches turn on the POWER switch The TEST program will then be started D SELECTING THE TEST NUMBER Using the UP and DOWN switches select the test number and press the STORE switch to confirm selection E TEST PROCEDURE 0 LED Check Using t...

Страница 29: ...sult is OK proceed to the next VR After completing this check return the control to the center position If an error exists outside of the control being checked E meaning an error appears at the left end In such case press the UTILITY switch for resetting At the end of all VR checks all LED segments light up and go out 3 Battery Check Using the UP and DOWN switches select 3 and then press the STORE...

Страница 30: ...UT No Filter 25dBm 1kHz JK101 INPUT No Filter 15dBm 1kHz JK103 OUT L MONO 1 0dBm 3dB JK103 OUT L MONO 1 0dBm 3dB JK103 OUT L MONO 1 0dBm 3dB JK104 OUT R 1 0dBm 3dB JK104 OUT R 1 0dBm 3dB JK104 OUT R 1 0dBm 3dB JK102 HP L 0 5dBm 3dB JK102 HP L 0 5dBm 3dB JK102 HP L 1 5dBm 3dB JK102 HP R 3 5dBm 3dB JK102 HP R 2 5dBm 3dB JK102 HP R 2 5dBm 3dB JK104 OUT R 0 5dBm 3dB JK104 OUT R 0 5dBm 3dB JK104 OUT R ...

Страница 31: ...ions 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 data SOLUTION Check all connections and data and try again E4 Bulk Receive Data Abnormality CAUSE An abnormality is detected in the received MIDI bulk data SOLUTION Check all connections and data and try again E5 Backup Battery Error CAUSE Backup battery p...

Страница 32: ... voice 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 ...

Страница 33: ...ble 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 mo...

Страница 34: ...DG Stomp 2 OVERALL ASSEMBLY 40 70 10e 10f 10c 10h 10 10i 10g 10d 10c 20 30 100 10j P10 2 P90 P50 P40 P30 P60 P20 10d 2 10d 1 10b 10a 60 80 50 P10 1 ...

Страница 35: ...d Tapping Screw B 3 0X8 MFZN2BL 6 01 40 Knob CH DG60 112 7 02 50 Spacer 60 Knob FX 8 70 Button S GRAY 01 80 Button L NO 947 CD GRAY 01 100 Leg SR200 4 01 Circuit Board Assembly PN V600800 Circuit Board AAX19500 AAX19510 V587990 P10 1 Circuit Board P10 2 Circuit Board Foot SW Sheet P20 Button 17 P30 Wire Assembly C C 28 12P L100 V611450 P40 Wire Assembly C C 28 11P L100 V611460 P50 Wire Assembly C ...

Страница 36: ...olytic Cap chip 0 2200 50V Z C102 Electrolytic Cap chip 100P 50V J C103 Electrolytic Cap 10 00 35 0V 01 C104 Electrolytic Cap BP 10 00 35 0V C105 Electrolytic Cap BP 10 00 35 0V C106 Electrolytic Cap chip 10P 50V D C107 Electrolytic Cap chip 0 1000 25V Z C108 Electrolytic Cap chip 0 1000 25V Z C109 Electrolytic Cap chip 22P 50V J C110 Electrolytic Cap chip 1000P 50V K C111 Electrolytic Cap BP 10 0...

Страница 37: ...Z C179 Electrolytic Cap 100 00 25 0V 01 C180 Electrolytic Cap 100 00 25 0V 01 C181 Electrolytic Cap 220 00 25 0V 01 C182 Electrolytic Cap 220 00 25 0V 01 C191 Electrolytic Cap chip 5P 50V C C192 Electrolytic Cap chip 5P 50V C C193 Electrolytic Cap chip 0 1000 25V Z 196 Electrolytic Cap chip 0 1000 25V Z C198 Electrolytic Cap 1 00 50 0V 01 C199 Electrolytic Cap 1 00 50 0V 01 CN1 Connector Base Post...

Страница 38: ... 04 L8 Noise Filter ZJYS51R5 2PT L101 LC Filter PLT2003C 04 RA1 Resistor Array 10KX4 18 Resistor Array 10KX4 R1 Carbon Resistor chip 10K 0 1 J R2 Carbon Resistor chip 100 0 1 J 8 Carbon Resistor chip 100 0 1 J R9 Carbon Resistor chip 270 0 1 J R10 Carbon Resistor chip 10K 0 1 J R11 Carbon Resistor chip 10K 0 1 J R12 Carbon Resistor chip 1 0K 0 1 J R13 Carbon Resistor chip 220 0 1 J R14 Carbon Resi...

Страница 39: ... chip 2 2K 0 1 J R146 Carbon Resistor chip 1 0K 0 1 J R147 Carbon Resistor chip 10K 0 1 J R148 Carbon Resistor chip 100K 0 1 J R149 Carbon Resistor chip 10K 0 1 J R150 Carbon Resistor chip 2 2K 0 1 J R151 Carbon Resistor chip 1 0K 0 1 J R152 Carbon Resistor chip 10K 0 1 J R153 Carbon Resistor chip 100K 0 1 J R154 Carbon Resistor chip 10K 0 1 J R155 Carbon Resistor chip 100K 0 1 J R156 Carbon Resis...

Страница 40: ...D Red LT311G 41 C13 01 LD306 LED Red LT311G 41 C13 01 L301 Chip Inductance BLM21B751S 2125 03 312 Chip Inductance BLM21B751S 2125 03 R301 Carbon Resistor chip 10K 0 1 J 304 Carbon Resistor chip 10K 0 1 J R305 Carbon Resistor chip 560 0 1 J 321 Carbon Resistor chip 560 0 1 J R322 Carbon Resistor chip 820 0 1 J 345 Carbon Resistor chip 820 0 1 J R346 Carbon Resistor chip 10K 0 1 J 360 Carbon Resisto...

Страница 41: ...P OPAMP OPAMP to PN CN301 OPAMP OPAMP REGULATOR 5V B COUNTER REGULATOR 5V D FF AND INVERTER SHIFT REGISTANT OPAMP OPAMP OPAMP OPAMP INVERTER ADC DAC 8M ROM Socket to CR2450 COAXIAL DIGITAL OUT F P ED0 R27 R28 not installed installed AC 12V REGULATOR 15V REGULATOR 15V Ceramic Capacitor UPC29M33T E1 XU965A00 REGULATOR 3 3V NJM7815FA XD853A00 REGULATOR 15V 1 2 3 DM IC113 1 3 DM IC18 2 GND 3 OUTPUT 1 ...

Страница 42: ...2 KEC 54201 MULTIPLEXER MULTIPLEXER to DM CN3 to DM CN103 D FF D FF D FF D FF D FF D FF D FF to DM CN1 to DM CN2 2 2 KEC 54201 1 K301 REVERB LEVEL FEEDBACK TIME DEPTH SPEED COMP PRESENCE BASS MIDDLE TREBLE MASTER GAIN OUTPUT AMP SELECT FOOT SW1 FOOT SW2 FOOT SW3 FOOT SW BANK 1 2 3 BANK SP SIM TAPE ECHO SPRING HALL PLATE PHASER ROTARY TREMOLO DELAY STORE COMP CHORUS FLANGER UP DOWN MANUAL UTILITY P...

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