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UD-Stomp

1

SERVICE MANUAL

GA

011631

1.338K-476

Printed in Japan 2002.3

HAMAMATSU, JAPAN

CONTENTS

SPECIFICATIONS ..................................................................... 3
PANEL LAYOUT ...................................................................... 4
CIRCUIT BOARD LAYOUT ...................................................... 6
WIRING ..................................................................................... 7
BLOCK DIAGRAM ..........................................................................8
DISASSEMBLY PROCEDURE ............................................... 10
LSI PIN DESCRIPTION ........................................................... 13
IC BLOCK DIAGRAM ............................................................. 16
CIRCUIT BOARDS .................................................................. 18
TEST PROGRAM ................................................................... 26
ERROR MESSAGES .............................................................. 28
MIDI IMPLEMENTATION CHART ......................................... 29
PARTS LIST
OVERALL CIRCUIT DIAGRAM

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

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Summary of Contents for UD-Stomp

Page 1: ...3 PANEL LAYOUT 4 CIRCUIT BOARD LAYOUT 6 WIRING 7 BLOCK DIAGRAM 8 DISASSEMBLY PROCEDURE 10 LSI PIN DESCRIPTION 13 IC BLOCK DIAGRAM 16 CIRCUIT BOARDS 18 TEST PROGRAM 26 ERROR MESSAGES 28 MIDI IMPLEMENTATION CHART 29 PARTS LIST OVERALL CIRCUIT DIAGRAM This document is printed on chlorine free ECF paper with soy ink ...

Page 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 ...

Page 3: ...x17 UP DOWN UTILITY STORE EFFECT BAND 1 8 CONNECT GROUP SYNC WAVE FUNCTION Knob x14 ASSIGNABLE CONTROL TIME COARSE TIME FINE LOW CUT FILTER HIGH CUT FILTER FEEDBACK DIRECT LEVEL PAN TAP SPEED DEPTH PAN LEVEL EFFECT LEVEL 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 ...

Page 4: ...mp 4 Top Panel PANEL LAYOUT 1 2 3 4 5 Up Button UP Down Button DOWN Utility Button UTILITY Store Button STORE Display Display Main Section Footswitch Section Display Main Section Controller Section q w e r t ...

Page 5: ...TIME FINE LOW CUT FILTER Control HIGH CUT FILTER Control FEEDBACK Control y 1 Footswitch Section u i 4 5 6 7 8 o 0 1 2 3 9 0 14 15 16 17 18 19 20 21 TAP Control SPEED Control DEPTH Control PAN Control Delay Level Control LEVEL EFFECT LEVEL Control DIRECT LEVEL DIRECT PAN Control OUTPUT Level Control 2 3 22 23 Footswitches 1 2 3 Bank Switch BYPASS BANK TAP TEMPO ...

Page 6: ... Jack AC IN 12V 1A MIDI OUT Jack MIDI IN Jack DIGITAL OUT Jack Rear Panel 4 5 7 8 9 0 3 2 1 6 29 30 31 32 33 Expression Pedal Jack EXP PEDAL Headphones Jack PHONES Output Jacks OUTPUT R L MONO Input Level Switch LOW HIGH INPUT Jack CIRCUIT BOARD LAYOUT 1 2 2 2 PN DM PN ...

Page 7: ...470 V610850 V611460 V611450 CN301 CN304 CN1 CN2 CN3 CN310 CN309 CN308 CN307 CN303 CN103 CN302 Shield Sheet 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 ...

Page 8: ... 2 2 A A IC101 SW101 IC103 IC103 IC102 IC102 3 1 2 1 6 7 2 1 6 7 5 6 3 4 26 27 X2 X1 IC1 IC2 IC3 IC104 IC12 IC10 IC11 IC8 SW R0 R3 PN PB0 PB7 DM1 2 CN1 CN103 CN301 CN301 VR314 PN1 2 CN304 DOUT 16 DM CN3 PN1 2 CN302 AN0 AN3 SELECT A SELECT B 2 4 1 ...

Page 9: ...5 3 1 IC105 5 7 IC106 3 1 IC106 5 7 2 3 1 2 3 1 2 4 1 2 4 1 TRS BALANCE OUT TRS BALANCE OUT CN301 CN103 CN301 VR314 IC112 IC113 IC114 SW 001 DM CN2 PN1 2 CN303 LED MOD LED REV LED FOOT SW 010 SW 100 SW LINE 15 17 RXDO TXDO KEC 54241 1 ...

Page 10: ...he five 5 toothed washer internal tooth forms marked T70 as well when removing the DM circuit board from the main body Fig 2 Bottom 30 30 T110A T50 T60 T120 Rear T50 Hexagonal Nut 9 0 12x2 MFNI33 LX200060 T60 Flat Washer 9x14 0 5 FNM3 VL802300 T110 Bind Head Tapping Screw B 3 0x8 MFZN2BL EP600190 T120 Bind Head Tapping Screw P 3 0x12 MFZN2BL VC161100 1 Bottom Case Manhour requirement 1 min Remove ...

Page 11: ...een 14 hexagonal nuts A 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 4 PN2 2CircuitBoard Manhourrequirement 10min 4 1 Remove the bottom case See Procedure 1 4 2 Remove the DM circuit boards See Procedure 2 4 3 Remove the four 4 hexagonal nuts B and the four 4 flat washers marked T80 from foot ...

Page 12: ...5 2 Remove the DM circuit board See Procedure 2 A a A a A b IC114 IC113 IC112 Heat Sink 5 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 ...

Page 13: ...UNCTION 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 BREQ P62 BACK Ø STBY RES NMI VSS EXTAL XTAL VCC AS RD HWR LWR MD0 MD1 MD2 AVCC VREF P70 AN0 P...

Page 14: ...y 5 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 14...

Page 15: ...nsmitter 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 ...

Page 16: ...E C T RESET 8 9 GND RESET TC74HC4040F XR684A00 DM IC108 12 Stage Binary Ripple Counter 74HCU04DT XZ110A00 DM IC107 INVERTER R CN 0 5Ω 1 1A 2 3 4 5 6 7 1B 1Y 2A 2B 2Y GND 8 9 10 11 12 13 14 VCC 4B 4A 4Y 3B 3A 3Y 1 2 3 4 5 6 7 13 12 11 10 9 8 14 1A 1B 1Y 2A 2B 2Y GND Vcc 4B 4A 4Y 3A 3B 3Y 1 2 3 4 5 6 7 15 14 13 12 11 10 16 MR Q0 Q0 D0 D1 Q1 Q1 Vcc Q3 Q3 D3 D2 Q2 Q2 8 9 GND CP Q Q D CK CL D Q CK C LQ...

Page 17: ... 8 7 6 5 V NJM5532M XC011A00 DM IC102 IC103 IC106 NJM4556AMT1 XQ138A00 DM IC105 OP AMP 1 2 3 4 8 7 6 5 A OUT A IN V B OUT B IN A IN V B IN Q D Q D Q D Q D CK OE OE OE OE OE OE OE OE Q D Q D Q D Q D CK CK CK CK CK CK CK 1 OE 2 3 4 5 6 7 8 9 10 Q0 D0 D1 Q1 Q2 D2 D3 Q3 GND 11 12 13 14 15 16 17 18 19 20 Vcc Q7 D7 D6 Q6 Q5 D5 D4 Q4 CP 1 2 3 4 5 6 7 E 16 15 14 13 12 11 10 8 9 2Y0 2Y0 2Y2 2Y2 2Z 2Z 2Y3 2...

Page 18: ...rd CN103 to PN1 2 CN301 to PN1 INPUT LOW HIGH L MONO OUT R A A Battery VS246400 VS246300 Battery holder for VS246400 Notice for back up battery removal Push against the holder hook then the battery will pop up Druk tegen de houder de batterij springt dan naar voren ...

Page 19: ...19 UD Stomp to PN1 2 CN302 to PN1 2 CN303 to PN1 2 CN304 AC IN 12V 1A STANDBY ON OFF A A Component side CNA V838990 1 ...

Page 20: ...UD Stomp 20 A A DM Circuit Board ...

Page 21: ...21 UD Stomp A A Pattern side ...

Page 22: ...UD Stomp 22 to PN2 2 CN306 to DM CN3 A A A A PN 1 2 Circuit Board PN 2 2 Circuit Board LD302 LD303 LD304 and LD305 installation Anode Cathode side Red mark SW301 SW317 installation PN CNA V838980 1 ...

Page 23: ...23 UD Stomp to DM CN3 to DM CN2 to DM CN1 to DM CN103 A A A A Component side Component side ...

Page 24: ...UD Stomp 24 A A A A PN 1 2 Circuit Board PN 2 2 Circuit Board ...

Page 25: ...25 UD Stomp to PN1 2 CN305 A A A A Pattern side Pattern side ...

Page 26: ...program will then be started At this time check to make sure that the model name Ud 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 OPERATION OF THE TEST PROGRAM AND CHECKING 0 LED check 1 Using the UP and DOWN switc...

Page 27: ...ght end indicates transmission and 1 indicates reception 5 SRAM 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 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 IC...

Page 28: ...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 0 5dBm 3dB JK103 OUT L MONO 45dBm or less JK104 OUT R 45dBm or less JK102 HP L 45dBm or less JK102 HP R 45dBm or less JK103 OUT L MONO 0 5 or less JK104 OUT R 0 5 or less JK102 HP L 0 5 or less JK102 HP R 0 5 or less JK2 Digital Out Lch 18dBm 3dB Rch 0dBm 3dB F CHEKING OF THE ROM VERSION While pressing ...

Page 29: ...locity 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 sages R...

Page 30: ... are interchangeable 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 ...

Page 31: ...UD Stomp 2 OVERALL ASSEMBLY 40 60 50 70 10 20 30 80 T20 T10 T80 T40 2 2 T40 1 2 T90 T130 T160 T150 T140 T170 T110 T110 T100 T70 T30 T180 T110 T60 T120 T110 T50 ...

Page 32: ...0 Toothed Lock Washer A 9 0 MFZN2Y 5 01 T80 Flat Washer 12X17 0 5 MFNI33 4 01 T90 Button UP DOWN UTILITY STORE 17 01 EFFECT BAND1 8 EDIT FUNCTION CONNECT GROUP SYNC WAVE FUNCTION T100 Shield Sheet V839890 T110 Bind Head Tapping Screw B 3 0X8 MFZN2BL 7 01 T120 Bind Head Tapping Screw P 3 0X12 MFZN2BL 3 01 T130 Connector Assembly C C 28 14P L 50 V610850 T140 Connector Assembly C C 28 12P L100 V61145...

Page 33: ...0V Z 01 C0102 Ceramic Capacitor Chip 100P 50V J 01 C0103 Electrolytic Cap 10 00 35 0V 01 C0104 Electrolytic Cap BP 10 00 35 0V 01 C0105 Electrolytic Cap BP 10 00 35 0V 01 C0106 Ceramic Capacitor Chip 10P 50V D 01 C0107 Ceramic Capacitor Chip 0 1000 25V Z 01 C0108 Ceramic Capacitor Chip 0 1000 25V Z 01 C0109 Ceramic Capacitor Chip 22P 50V J 01 C0110 Ceramic Capacitor Chip 1000P 50V K 01 C0111 Elect...

Page 34: ...0V 01 C0182 Electrolytic Cap 220 00 25 0V 01 C0191 Ceramic Capacitor Chip 5P 50V C 01 C0192 Ceramic Capacitor Chip 5P 50V C 01 C0193 Ceramic Capacitor Chip 0 1000 25V Z 01 0196 Ceramic Capacitor Chip 0 1000 25V Z 01 C0198 Electrolytic Cap 1 00 50 0V 01 C0199 Electrolytic Cap 1 00 50 0V 01 CN001 Connector Base Post M2426XX 12P TE 01 CN002 Connector Base Post M2426XX 11P TE 01 CN003 Connector Base P...

Page 35: ...3 Carbon Resistor chip 220 0 1 J R0014 Carbon Resistor chip 10K 0 1 J 0016 Carbon Resistor chip 10K 0 1 J R0017 Carbon Resistor chip 2 2K 0 1 J R0018 Carbon Resistor chip 220 0 1 J R0019 Carbon Resistor chip 220 0 1 J R0020 Carbon Resistor chip 1 0K 0 1 J R0021 Carbon Resistor chip 1 0K 0 1 J R0022 Carbon Resistor chip 1 0M 0 1 J R0023 Carbon Resistor chip 47 0 1 J R0024 Carbon Resistor chip 75 0 ...

Page 36: ...0 1 J R0157 Carbon Resistor chip 100K 0 1 J R0158 Carbon Resistor chip 2 2K 0 1 J R0159 Carbon Resistor chip 100K 0 1 J R0160 Carbon Resistor chip 100K 0 1 J R0161 Carbon Resistor chip 4 7K 0 1 J R0162 Carbon Resistor chip 4 7K 0 1 J R0163 Carbon Resistor chip 1 0M 0 1 J R0164 Carbon Resistor chip 680 0 1 J R0165 Carbon Resistor chip 220 0 1 J R0166 Carbon Resistor chip 100 1 4 J R0167 Carbon Resi...

Page 37: ...N DOWN 02 SW303 Push Switch SKHQFN GREEN UTILITY 02 SW304 Push Switch SKHQFN GREEN STORE 02 SW305 Push Switch SKHQFN GREEN EFFECT BAND 1 02 SW306 Push Switch SKHQFN GREEN EFFECT BAND 2 02 SW307 Push Switch SKHQFN GREEN EFFECT BAND 3 02 SW308 Push Switch SKHQFN GREEN EFFECT BAND 4 02 SW309 Push Switch SKHQFN GREEN EFFECT BAND 5 02 SW310 Push Switch SKHQFN GREEN EFFECT BAND 6 02 SW311 Push Switch SK...

Page 38: ...tary Variable Resistor RK09L1140 10KB PAN 03 VR312 Rotary Variable Resistor RK09L1140 10KB LEVEL 03 VR313 Rotary Variable Resistor RK09L1140 10KB EFFECT LEVEL 03 VR314 Rotary Variable Resistor RK09L12D0 20KA X2 OUTPUT 03 Lithium Battery CR2450 03 V5264800 V5264800 V5264800 V5265100 VS246400 ...

Page 39: ... DRAM 4M SRAM 256K Photo Coupler BUFFER BUFFER BUFFER INVERTER DIT2 REGULATOR 3 3V ASSP DSP6 CPU ROM 8M OR OR OR OR OR OR OR OR AND AND AND to PN1 2 CN304 to PN1 2 CN303 to PN1 2 CN302 DIGITAL OUT EXP PEDAL MIDI OUT MIDI IN KEC 54242 2 1 Note See parts list for details of circuit board component parts Ceramic Capacitor Chip BT1 Socket for CR2450 to P2 G3 from P2 K6 from P2 K6 ...

Page 40: ...PAMP REGULATOR 5V REGULATOR 5V REGULATOR 15V REGULATOR 15V to PN1 2 CN301 from P1 A6 to P1 A5 P1 G8 from P1 E3 PHONSE OUTPUT L MONO OUTPUT R INPUT AC IN 12V 1A KEC 54242 3 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 OUT...

Page 41: ...o DM CN2 to DM CN103 D FF D FF D FF D FF D FF D FF MULTIPLEXER MULTIPLEXER to DM CN3 UP DOWN UTILITY STORE BAND1 BAND2 BAND3 BAND4 BAND5 BAND6 BAND7 BAND8 CONNECT FUNCTION GROUP SYNC WAVE ASSIGNABLE CONTROL 7 segment LED 3 figures COARSE FINE LOW CUT HIGH CUT FEEDBACK TAP SPEED DEPTH PAN LEVEL EFFECT LEVEL DIRECT LEVEL DIRECT PAN TIME FILTER FOOT SW1 FOOT SW2 FOOT SW3 FOOT SW BANK 1 ...

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