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Yamaha DG60FX-112 Service Manual

Other manuals for DG60FX-112: Owner's Manual, Patch List
Manual is about: Service Manual

Summary of DG60FX-112

  • Page 1

    Dg60fx-112 1 service manual ga 011540 20001101-75000 1.552k-448 i.T printed in japan 2000.11 hamamatsu, japan guitar amplifier contents specifications ................................................ 3/4 panel layout .................................... 5 circuit board layout ................. 7 blo...

  • Page 2: Warning

    Dg60fx-112 2 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, a...

  • Page 3: Specifications

    Dg60fx-112 3 specifications digital section • full digital signal processing • 8 channel preamp • digital effects • compressor • chorus, flanger, phaser, rotary speaker, tremolo • digital delay, tape echo • spring reverb, hall reverb, plate reverb • tap tempo function (delay time) • speaker simulato...

  • Page 4

    Dg60fx-112 4.

  • Page 5: Panel Layout

    Dg60fx-112 5 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 panel layout input jacks (input high, low) peak indicator amp select switch (lead1-clean2) gain control (gain) master volume (master) tone controls (treble, middle, bass, presence) output level control (output) speaker si...

  • Page 6

    Dg60fx-112 6 34 35 36 37 26 27 28 29 30 31 32 33 power switch (power) headphones jack (phones) line out jacks (line out r, l/mono) power amp in jack foot switch unit terminal (foot sw) midi out jack midi in jack digital out jack (digital out) foot switches 1, 2, 3 bank switch (tap/bank/tuner) exp pe...

  • Page 7: Circuit Board Layout

    Dg60fx-112 7 circuit board layout 4/8 7/8 6/8 5/8 1/8 2/8 3/8 (pn1/2) main main main main main dm main main front (analog8/8) rear (pn2/2) sw, led foot switch.

  • Page 8: Block Diagram

    Dg60fx-112 8 block diagram (pn1/2) 3/8 ic1 ic12 (dm-cn1) (front-cn304) (dm-cn2) (front-cn303) ic2,ic3 ic9 ic8 ic10,ic11 ic401 ic402 w401 cn101 ic401 + + 5 7 5 7 1 3 ic102 - - 2 1 ic103 1 - 2 ic102 - 6 7 ic103 6 - 7 ic104 cn103 cn103 cn102 front main dm front a a'.

  • Page 9

    Dg60fx-112 9 kec-54207 (dm-cn3) (front-cn302) w701 cn306 c10,ic11 cn103 w502 cn102 ic501 + 7 5 ic501 + 3 1 ic502 + 1 3 ic502 + 5 7 rear (1/8, 2/8, 4/8~7/8) main front sw, led a a'.

  • Page 10: Wiring

    Dg60fx-112 10 wiring speaker cn603 cn602 cn301 cn601 ac transformer power w502 w501 cn304 cn303 cn302 cn305 w701 cn306 cn401 w401 cn4 w503 cn1 cn2 cn3 cn103 cn104 w612 w608 cn607 w606 w604 w601 w603 w611 w610 w602 4/8 7/8 w609 6/8 w607 5/8 w605 1/8 2/8 3/8 (pn1/2) cn102 cn101 main main main main dm ...

  • Page 11: Disassembly Procedure

    Dg60fx-112 11 disassembly procedure fig.1 a. External components 1. Handle assembly 1-1. Remove the two (2) screws marked [70]. The handle assembly can then be removed. (fig. 1) 2. Corner fitting 2-1. Remove the two (2) screws marked [50]. The corner fitting can then be removed. (fig. 1) 3. Leg 3-1....

  • Page 12

    Dg60fx-112 12 fig.2 4. Removal of stereo amplifier unit 4-1. Remove the four (4) screws marked [80] and the four (4) washers marked [90] from the back plate and then remove the back plate. (fig. 2) 4-2. Remove the six (6) screws marked [30] and the six (6) washers marked [40] from the top of the mai...

  • Page 13

    Dg60fx-112 13 7. Dm, main circuit boards (1/8, 2/8, 4/8, 5/8, 6/8, 7/8), heat sink 7-1. Remove the pre main unit. (see procedure 4.) 7-2. Remove the panel. (see step 6-2.) 7-3. Remove the four (4) hexagonal nuts marked [140] and four (4) screws marked [50a]. The main circuit board (2/8) can then be ...

  • Page 14

    Dg60fx-112 14 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. Fig.4 [50]: bind head tapping screw-b 3.0x8 mfzn2bl (ep600190) [55]: bind head tapping screw-p 3.0x12 mfzn2bl (vc161100) [110]:...

  • Page 15

    Dg60fx-112 15 c. Foot switch 9. Foot switch 9-1. Remove the six (6) screws marked [110a] and then remove the bottom plate. (fig. 5) 9-2. Remove the two (2) screws marked [110b] and hexagonal nuts marked [90] and then remove the rear circuit board (main 8/8). (fig. 5) 9-3. Remove the four (4) hexagon...

  • Page 16: Lsi Pin Description

    Dg60fx-112 16 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...

  • Page 17

    Dg60fx-112 17 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 ...

  • Page 18: Ic Block Diagram

    Dg60fx-112 18 ic block diagram 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 nega...

  • Page 19

    Dg60fx-112 19 tc74hc4040f ( xr684a00 ) dm: ic108 b. Counter tc74hc4040dt ( xz111a00 ) dm: ic108 12-stage binary ripple counter 74hc374dt(xz102a00) dm: ic301~ic307 d-ff 74hc4052dt(xz101a00) dm: ic308, ic309 multiplexer ck 1 2 3 4 5 6 7 q12 q12 q6 q6 q5 q5 q7 q7 q4 q4 q3 q3 q2 q2 16 15 14 13 12 11 10 ...

  • Page 20: Circuit Boards

    Dg60fx-112 20 circuit boards dm circuit board to pn a a' cn101: to main3/8-w401 cn103: to pn1/2-cn301 cn102: to main2/8-w502 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..

  • Page 21

    21 dg60fx-112 to main1/8-w603 cn104: to main1/8-w601 to pn1/2-cn304 to pn1/2-cn303 to pn1/2-cn302 a a' component side dm: cna-v620530 0

  • Page 22

    Dg60fx-112 22 a a' dm circuit board.

  • Page 23

    23 dg60fx-112 a a' pattern side.

  • Page 24

    Dg60fx-112 24 to main2/8-w503 to dm-cn3 a a' a a' front (pn1/2) sw, led (pn2/2) pn: cna-v620230 1 ld302, ld303, ld304 and ld306 installation anode.

  • Page 25

    25 dg60fx-112 to dm-cn2 to dm-cn1 to dm-cn103 a a' a a' component side component side.

  • Page 26

    Dg60fx-112 26 to push switch to push switch a a' a a' front (pn1/2) sw, led (pn2/2).

  • Page 27

    27 dg60fx-112 to main8/8-w701 to push switch to push switch sw a a' a a' pattern side pattern side pn: cna-v620230 1.

  • Page 28

    Dg60fx-112 28 to power transformer to power transformer w608: to main 7/8-w609 cn607: n.C w606: to main6/8-w607 w604: to main5/8-w605 w601: to main4/8-w602 w603: to dm-cn4 w610: to dm-cn104 w611: to main3/8-cn401 w612: to main2/8-w501 to power cord main (analog)1/8 circuit board component side main ...

  • Page 29

    29 dg60fx-112 to mian1/8-w601 to mian1/8-w604 to mian1/8-w606 to mian1/8-w608 to dm-cn101 to dm-cn102 to main1/8-w611 to main1/8-w612 to pn1/2-cn305 to pn2/2-cn306 main (analog)2/8 circuit board component side main (analog)3/8 circuit board component side rear (analog)8/8 circuit board component sid...

  • Page 30: Test Program

    Dg60fx-112 30 test program a. Preparation • exp. Pedal connect the b50kvr. • digital out connect the da converter. • midi in connect in and out, using the din • midi in 5p cable. • the input signal is a 1khz sine wave. • set all rotary vr’s and switches near their center position. • set the output v...

  • Page 31

    31 dg60fx-112 2: vr check • using the up and down switches, select “2” and then press the store switch. • press switches in the order of “amp select”, “gain” until “presence, then from “comp” to “reverb” and finally until “exp.Pedal” is reached. • turn the control fully in the direction toward the l...

  • Page 32

    Dg60fx-112 32 1. Input sensitivity 2. Input sensitivity 3. Input sensitivity 4. Input sensitivity 5. Input sensitivity 6. Input sensitivity 7. Input sensitivity item input output cn101(input) -20dbm(1khz) cn101(input) -20dbm(10khz) cn101(input) -20dbm(100hz) cn101(input) -20dbm(100hz) cn101(input) -...

  • Page 33: Error Messages

    33 dg60fx-112 error messages idling adjustment if an error occurs during operation, one of the following error message numbers will appear on the display. E1 :midi receive buffer full cause: too much midi data is being received by the dg amplifier at one time. Solution: try reducing the amount of da...

  • Page 34

    Dg60fx-112 34 yamaha [ guitar amplifier] date:30-jun-2000 model dg60fx-112 midi implementation chart version : 1.0 +----------------------------------------------------------------------+ : : transmitted : recognized : remarks : : function ... : : : : :-------------------+----------------+----------...

  • Page 35: Guitar Amplifier

    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 36: Overall Assembly

    Dg60fx-112 2 overall assembly 130 70 50 20 30 80 90 g90 g50 g40 g30 g20 g10 g70 g60 110 100 40 10 150 140 g80 g100 g120 g110 pre main unit (see page4).

  • Page 37

    Dg60fx-112 3 : new parts ref no. Part no. Description remarks qty rank rank: japan only * * * * overall assembly dg60fx overall assembly j (v632160) overall assembly c, u (v632170) overall assembly h (v632180) overall assembly b, s (v632190) 10 pre main unit j (v632220) 10 pre main unit c, u (v63223...

  • Page 38: Pre Main Unit

    Dg60fx-112 4 310 290 180 210 220 230 20 (3) 300 260 250 240 270 50 160 110 280 20 (1) 60 40 20 (2) 50 55 50 30 110 100 130 120 50 10 10 150 155 75 50 80 90 70 76 140 190 170 110 200 130 pre main unit.

  • Page 39

    Dg60fx-112 5 : new parts ref no. Part no. Description remarks qty rank * * * * * * * * * * * * * pre main unit j (v632220) pre main unit c, u (v632230) pre main unit h (v632240) pre main unit b, s (v632250) 10 chassis j 10 chassis c, u 10 chassis h, b 20 circuit board main j, u 20 circuit board main...

  • Page 40: Foot Switch Overall Assembly

    Dg60fx-112 6 100 110 90 10 80 20 120 130 110 : new parts ref no. Part no. Description remarks qty rank rank: japan only foot sw overall assembly j, u (v632200) foot sw overall assembly h (v632210) 10 sw top cover 20 led sheet 80 rear sheet assembly j, u 80 rear sheet assembly h 90 hexagonal nut 9.0 ...

  • Page 41: Electrical Parts

    Dg60fx-112 7 : new parts ref no. Part no. Description remarks qty rank rank: japan only * * * * * * * * * * * * electrical parts electrical parts circuit board dm circuit board main(1/8-7/8) j, u circuit board main(1/8-7/8) h circuit board rear main(8/8) j, u circuit board rear main(8/8) h circuit b...

  • Page 42

    Dg60fx-112 8 : new parts ref no. Part no. Description remarks qty rank rank: japan only c158 ceramic cap. (chip) 0.1000 25v z c159 electrolytic cap. 100.00 25.0v 01 c160 ceramic cap. (chip) 0.1000 25v z -188 ceramic cap. (chip) 0.1000 25v z c189 electrolytic cap. 100.00 25.0v 01 c190 electrolytic ca...

  • Page 43

    Dg60fx-112 9 : new parts ref no. Part no. Description remarks qty rank rank: japan only r13 carbon resistor (chip) 220 0.1 j r14 carbon resistor (chip) 10k 0.1 j -16 carbon resistor (chip) 10k 0.1 j r17 carbon resistor (chip) 2.2k 0.1 j r18 carbon resistor (chip) 220 0.1 j r19 carbon resistor (chip)...

  • Page 44

    Dg60fx-112 10 : new parts ref no. Part no. Description remarks qty rank rank: japan only c502 electrolytic cap. 10.00 25.0v 01 c503 ceramic capacitor-sl 100p 50v j 01 c504 electrolytic cap. 47.00 25.0v 01 c505 electrolytic cap. 10.00 25.0v 01 c506 electrolytic cap. 10.00 25.0v 01 c507 ceramic capaci...

  • Page 45

    Dg60fx-112 11 : new parts ref no. Part no. Description remarks qty rank rank: japan only jk402 phone jack htj-064-12i jk501 phone jack htj-064 02 -503 phone jack htj-064 02 jk504 phone jack htj-064-05b jk505 din connector tcs5094-10-4151 04 jk701 phone jack stereo htj-064-12d jk702 din connector tcs...

  • Page 46

    Dg60fx-112 12 : new parts ref no. Part no. Description remarks qty rank rank: japan only * * * * * * r618 carbon resistor 470.0 1/4 j 01 r619 carbon resistor 12.0k 1/4 j 01 r620 carbon resistor 1.0k 1/4 j 01 r621 carbon resistor 1.5k 1/4 j 01 r622 carbon resistor 56.0k 1/4 j 01 r623 carbon resistor ...

  • Page 47

    Dg60fx-112 13 : new parts ref no. Part no. Description remarks qty rank rank: japan only -322 diode 1ss355 te-17 01 ic301 ic 74hc374dt d-ff -307 ic 74hc374dt d-ff ic308 ic 74hc4052dt multiplexer ic309 ic 74hc4052dt multiplexer ld301 led display ltc-5836e ld302 led red lt311g-41-c13 01 -307 led red l...

  • Page 48

    L k j i h g f e d c b a 1 2 3 4 5 6 7 8 9 10 11 12 dg60fx-112 m n o p q 1 2 3 4 5 6 7 8 9 10 11 12 q p o n m l k j i h g f e d c b a dg60fx-112 dg60fx-112 note : see parts list for details of circuit board component parts. Kec-54205 2 dg60fx-112 overall circuit diagram 1/2(dm) kec-54205 : mylar capa...

  • Page 49

    L k j i h g f e d c b a 1 2 3 4 5 6 7 8 9 10 11 12 dg60fx-112 m n o p q 1 2 3 4 5 6 7 8 9 10 11 12 q p o n m l k j i h g f e d c b a dg60fx-112 dg60fx-112 dg60fx-112 overall circuit diagram 2/2(front, main 1/8, 2/8, 3/8, 4/8, 5/8, 6/8, 7/8, rear) kec-54204 1 d-ff d-ff d-ff d-ff d-ff d-ff d-ff to dm-...