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Yamaha UD-Stomp Service Manual

Other manuals for UD-Stomp: Supplementary Manual, User Manual

Summary of UD-Stomp

  • Page 1

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

  • Page 2: Warning

    Ud-stomp 2 impor tant notice this manual has been provided for the 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 h...

  • Page 3: Specifications

    Ud-stomp 3 specifications digital section • 8-band delay (delay time: 696msec max per band) • delay time, loop filter (high cut, low cut), feedback, tap, pan, level parameters can be set for each individual effect band. • effect bands can be connected in series or parallel • effect bands can be grou...

  • Page 4: Panel Layout

    Ud-stomp 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

    Ud-stomp 5 6 7 8 9 10 11 12 13 controller section assignable control effect band 1-8 edit function delay time control: coarse (time coarse) delay time control: fine (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...

  • Page 6: Circuit Board Layout

    Ud-stomp 6 24 25 26 27 28 power switch (stand-by on/off) power adaptor 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 switc...

  • Page 7: Wiring

    Ud-stomp 7 wiring v839830 1 1/2 2/2 (v611470) (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: Block Diagram

    Ud-stomp 8 block diagram dm pn 1/2 pn 1/2 pn 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 ...

  • Page 9

    Ud-stomp 9 pn 1/2 pn 2/2 a a' ic105 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: Disassembly Procedure

    Ud-stomp 10 battery battery holder disassembly procedure fig.1 [30]:bind head tapping screw-b 3.0x8 mfzn2bl (ep600190) 2. Dm circuit board (manhour requirement: 6 min.) 2-1. Remove the bottom case. (see procedure 1.) 2-2. Remove the one (1) screw marked [t110a], three (3) screws marked [t120], five ...

  • Page 11

    Ud-stomp 11 fig.2 fig.3 [t80]:flat washer 12x17 0.5 mfni33 (v7407400) [t110]:bind head tapping screw-b 3.0x8 mfzn2bl (ep600190) [t70]:washer 9.0 mfzn2y (et800150) [t110]:bind head tapping screw-b 3.0x8 mfzn2bl (ep600190) 3. Pn1/2 circuit boards (manhour requirement: 13 min.) 3-1. Remove the bottom c...

  • Page 12

    Ud-stomp 12 fig.4 5. Heat sink (manhour requirement: 8 min.) 5-1. Remove the bottom case. (see procedure 1.) 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 a...

  • Page 13: Lsi Pin Description

    Ud-stomp 13 lsi pin description pin no. 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 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...

  • Page 14

    Ud-stomp 14 pin no. I/o function name pin no. I/o function name 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 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 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...

  • Page 15

    Ud-stomp 15 pin no. I/o function name pin no. I/o function name 1 2 3 4 5 6 7 8 vss mclk dm0 dm1 rstn wcin din v dd i i i i i i ground master clock input din/bclk/wclk format select dm1,dm0=0,0 dsp,ldsp (64 bit,lsb first) dm1,dm0=0,1stereo,dsp (64 bit,msb first) dm1,dm0=1,0 dsp2 (128 bit,msb first) ...

  • Page 16: Ic Block Diagram

    Ud-stomp 16 ic block diagram mb3790pf(xr967a00) dm: ic4 assp 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 Ω 240k Ω 1.24v reference voltage power supply circuit s q r 100 Ω sbd 2.65v 2.37v 500 Ω v in v in v out v out 3 µ ...

  • Page 17

    Ud-stomp 17 74hc374dt(xz102a00) pn: ic301~ic307 d-ff 74hc4052dt(xz101a00) pn: ic308, ic309 multiplexer 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 ...

  • Page 18: Circuit Boards

    Ud-stomp 18 battery battery holder circuit boards dm circuit board 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 hou...

  • 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: Test Program

    Ud-stomp 26 test program 1 1 2 3 7 8 4 2 3 6 5 1: sw check (1) using the up and down switches, select “1”. (this step can be skipped if “1” is already selected.) (2) press the store switch. (3) starting with the up switch, press each switch whose led lights up one after another. After “function”, “b...

  • Page 27

    27 ud-stomp !3 fc7 foot controller p q u i o !0 !1 !2 w e r t y fig.2 3: battery check (1) using the up and down switches, select “3”. (this step can be skipped if “3” has already been selected.) (2) press the store switch. • if the check result is ok, all lights light up, go off and the program pro...

  • Page 28: Error Messages

    Ud-stomp 28 error messages input sensitivity input sensitivity input sensitivity input sensitivity input sensitivity input sensitivity input sensitivity input sensitivity input sensitivity input sensitivity input sensitivity input sensitivity input sensitivity input sensitivity input sensitivity noi...

  • Page 29

    29 ud-stomp yamaha [ modulation delay] date:14-dec-2001 model ud stomp midi implementation chart version : 1.0 +----------------------------------------------------------------------+ : : transmitted : recognized : remarks : : function ... : : : : :-------------------+----------------+--------------...

  • Page 30: Parts List

    Warning components having special characteristics are marked and must be replaced with parts having specification equal to those originally installed. Notes : destination abbreviations the numbers “qty” show quantities for each unit. The parts with “--” in “part no.” are not available as spare parts...

  • Page 31: Overall Assembly

    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

    Ud-stomp 3 : new parts ref no. Part no. Description remarks qty rank rank: japan only * * * * * overall assembly (v839770) 10 top cover assembly (v839830) 20 bottom case 30 bind head tapping screw-b 3.0x8 mfzn2bl 6 01 40 knob assignable control 02 50 knob tap,speed,depth,pan, 13 02 level,effect leve...

  • Page 33: Electrical Parts

    Ud-stomp 4 : new parts ref no. Part no. Description remarks qty rank rank: japan only * * * * electrical parts electorical parts ud-stomp circuit board dm (x2186b0) circuit board pn1/2 (v838980)(x2180b0) circuit board pn2/2 (v838980)(x2180b0) circuit board dm (x2186b0) heat sink (v573470) bind head ...

  • Page 34

    Ud-stomp 5 : new parts ref no. Part no. Description remarks qty rank rank: japan only c0138 ceramic capacitor (chip) 22p 50v j 01 c0139 electrolytic cap. 10.00 35.0v 01 c0140 electrolytic cap.-bp 47.00 25.0v c0141 ceramic capacitor (chip) 1000p 50v k 01 c0142 ceramic capacitor (chip) 22p 50v j 01 c0...

  • Page 35

    Ud-stomp 6 : new parts ref no. Part no. Description remarks qty rank rank: japan only ic014 ic 74hc244dt buffer 02 -016 ic 74hc244dt buffer 02 ic017 ic ym3437c-f dit2 07 ic018 ic upc29m33t-e1 regulator +3.3v 03 ic101 ic njm072m op amp 03 ic102 ic njm5532m op amp 03 ic103 ic njm5532m op amp 03 ic104 ...

  • Page 36

    Ud-stomp 7 : new parts ref no. Part no. Description remarks qty rank rank: japan only r0117 carbon resistor (chip) 10k 0.1 f r0118 carbon resistor (chip) 470 0.1 f r0119 carbon resistor (chip) 2.7k 0.1 f r0120 carbon resistor (chip) 5.6k 0.1 j r0121 carbon resistor (chip) 5.6k 0.1 j r0122 carbon res...

  • Page 37

    Ud-stomp 8 : new parts ref no. Part no. Description remarks qty rank rank: japan only * * circuit board pn1/2 (v838980)(x2180b0) circuit board pn2/2 (v838980)(x2180b0) spacer 8 led holder led3-1a 4 connector assembly c& #24 2p l60 (v654510) 4 push switch ads-003-a10 1(select),2(on/off), 4 05 3(tap t...

  • Page 38

    Ud-stomp 9 : new parts ref no. Part no. Description remarks qty rank rank: japan only vr311 rotary 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 20k...

  • Page 39

    Ud-stomp 9 8 7 6 5 4 3 l k j i h f g e d c b a l a k j i h g f e d c b 1 2 ud-stomp ud-stomp overall circuit diagram 1/3 (dm) ud-stomp from p2.K6 to p2.K6 dm p1 sram 256k dram 4m 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...

  • Page 40

    Ud-stomp 9 2 3 4 5 6 7 8 1 l k j i h f g e d c b a l a k j i h g f e d c b ud-stomp ud-stomp ud-stomp overall circuit diagram 2/3 (dm) dm p2 opamp opamp opamp adc & dac op amp op amp op amp op amp opamp inverter b. Counter inverter and d-ff shift register opamp opamp regulator +5v regulator +5v regu...

  • Page 41

    Ud-stomp 9 8 7 6 5 4 3 l k j i h f g e d c b a l a k j i h g f e d c b 1 2 ud-stomp ud-stomp overall circuit diagram 3/3 (pn 1/2, pn 2/2) ud-stomp 1/2 pn kec-54243-2 p3 2/2 pn to dm-cn1 to 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 ...