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Yamaha DG100-212 Service Manual

Other manuals for DG100-212: Owner's Manual

Summary of DG100-212

  • Page 1

    Service manual guitar pre-amplifier ga 011400 hamamatsu, japan 2.1k-656 printed in japan '98.03 contents specifications ·············································································· 3 panel layout ················································································· 4 ci...

  • Page 2

    Dg100-212 2 warning: chemical content notice! The solder used in the production of this product contains lead. In addition, other electrical/electronic and/or plastic (where applicable) components may also contain traces of chemicals found by the california health and welfare agency (and possibly ot...

  • Page 3: Specifications

    Specifications dg100-212 3 digital section complete digital signal processing internal 8 channel preset digital reverb (spring, hall, plate) digital tape echo speaker simulator (line out) analog section 100w solid state power amp 30 cm speaker (celestion vintage 30) x 2 midi function receive : progr...

  • Page 4: Panel Layout

    Dg100-212 4 input jack (input high, low) trim control (trim) output level control (output) gain volume (gain) master volume (master) tone controls (treble, high mid, low mid, bass, presence) reverb volume (reverb) amp select button/amp select display (lead 1, 2/drive 1, 2/crunch 1, 2/clean 1, 2) rev...

  • Page 5

    Circuit board layout dg100-212 5 warning important power transformer anr dm vr pn r r anf2 anf cn701 cn503 cn101 cn102 cn401 cn403 cn402 cn404 cn504 cn502 cn501 cn602 cn9 cn4 cn5 cn6 cn7 cn8 cn603 cn304 cn309 cn308 cn305 cn201 cn202 cn306 cn318 cn303 cn301 cn302 k301 k302 k304 k303 cn307 cn313 cn314...

  • Page 6

    Dg100-212 6 1. Pre-main unit 1-1 remove the four (4) screws marked [70a]. The back board (u) can then be removed. (fig. 1) 1-2 remove the plug of the connector assembly (speaker) located on the rear panel and the six (6) screws marked [30a]. The pre-main unit can then be removed by sliding it backwa...

  • Page 7

    Dg100-212 7 3. Front panel assembly 3-1 remove the pre-main unit. (see procedure 1) 3-2 remove the five (5) screws marked [30b]. The front panel assembly can then be removed. (fig. 3) 4. Anr circuit board 4-1 remove the pre-main unit. (see procedure 1) 4-2 remove the screw marked [50], the two (2) s...

  • Page 8

    Dg100-212 8 11. Vr circuit board 11-1 remove the pre-main unit. (see procedure 1) 11-2 remove the front panel assembly. (see procedure 3) 11-3 remove the eight (8) knobs marked [90] and the four (4) screws marked [30d]. The vr circuit board assembly can then be removed. (fig. 4) 11-4 remove the eigh...

  • Page 9: Lsi Pin Description

    Dg100-212 9 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 10

    Dg100-212 10 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 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 i/o i i o i o i i i i i i o i/o i i i i i i i i ...

  • Page 11

    Dg100-212 11 obit 1 obit 2 h 22 bit h l 20 bit h h 18 bit l l no output l ibit 1 ibit 2 ibit 3 h 22 bit h h l 20 bit h h h 18 bit l h l 16 bit l h h av dsp h l h mel h l pin no. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 i/o i i i i o i i i i/o i/o agnd apd ainl+ ainl- acal lgnd vl+ nc dacl dpd cmode smode l/...

  • Page 12: Ic Block Diagram

    Dg100-212 12 ic block diagram q d ck oe q d ck oe q d ck oe q d ck oe output control 1q 1d 2d 2q 3q 3d 4d 4q gnd 1 20 2 19 3 18 4 17 5 16 6 15 7 14 8 13 9 12 10 11 tchcu04af-tp1(xd660a00) hex inverter sn74hc08nsr (xd831a00) quad 2 input and 1 2 3 1a 1y 4 2a 5 2b 6 2y 7 vss 1b 14 13 12 vdd 4a 11 4y 1...

  • Page 13

    Dg100-212 13 ne5532p(ig102500) dual operational amplifier lb1641 (xf494a00) motor driver mb3790pf(xr967a00) assp njm072d(ig107000) dual operational amplifier 1 a 2 3 4 5 6 7 8 9 +v -in -v +in out a a a +v -in +in out b b b - + b - + 1 2 3 4 -v 8 7 6 5 output a +v non-inverting input a -dc voltage su...

  • Page 14

    Midi in out to dm-cn9 component side ena-vz77180-1/9 dg100-212 14 note : see parts list for details of circuit board component parts. Circuit boards dm circuit board.

  • Page 15

    Dg100-212 15 to dm-cn9 pattern side ena-vz77180-1/9 dm circuit board note : see parts list for details of circuit board component parts..

  • Page 16

    Dg100-212 16 gain master treble high mid low mid bass time presence feed back reverb level component side component side pattern side vr : cna-vz89700-1/10 pn : ena-vz77230-1/4 pn circuit board vr circuit board panel layout note : see parts list for details of circuit board component parts..

  • Page 17

    Dg100-212 17 line out line out level component side component side component side component side low input trim output high cna-vz89700-1/10 effect send return blend 5/5 4/5 3/5 2/5 1/5 main circuit board anr circuit board anf2 circuit board anf circuit board note : see parts list for details of cir...

  • Page 18

    Dg100-212 18 a. Set-up 1. If no specific frequency is required, set the test frequency at 1 khz. 2. If no specific trim and output settings are required, set the volumes of trim and output at maximum. 3. Before turning the power switch on, set the idling adjustment volume (vr303, 470 ohms) at minimu...

  • Page 19

    Dg100-212 19 (test contents) the ram backup battery check is executed automatically. When all the leds light simultaneously, the battery check is finished. Then the dg100-212 selects the next test no., so the led display shows "5". (error number) e0 : battery low (ram data are kept.) e1 : unknown er...

  • Page 20

    Dg100-212 20 (test contents) the dg100-212 sets the conditions for the signal sound check through the analogue circuit, the a/d converter, the dsp-3 and the d/a converter. When the sound check is started, the led display shows "81". The sound check has two conditions. If the recall key is pressed wh...

  • Page 21: Error Messages

    Dg100-212 21 error messages if an error occurs during operation, one of the following error message numbers will appear on the display. : motor drive error cause: the volume knob has not returned to its assigned position after 20 seconds has elapsed from the start of the recall operation or, the dev...

  • Page 22

    Yamaha [ digital guitar amplifier ] date:24-dec-1997 model dg100-212 midi implementation chart version : 1.0 +----------------------------------------------------------------------+ : : transmitted : recognized : remarks : : function ... : : : : :-------------------+----------------+----------------...

  • Page 23

    Op amp to anf-cn501 counter shif t registor inverter and d-ff adc inverter digital filter dac dac op amp kec-54161-1/2,2/2 regulator op amp regulator to main1/5-cn304 to anf-cn501 power line out level op amp kec-54163-3/5 to main 1/5-cn305 effect blend op amp anr or and dsp3 dsp3 dram dram or or cpu...

  • Page 24

    Q a b c d e f g h i j k l m n o p q a b c d e f g h i j k l m n o p 1 2 3 4 5 6 7 8 9 10 11 12 1 2 3 4 5 6 7 8 9 10 11 12 to anr-cn403 output to dm-cn101 blend kec-54163-4/5 op amp anf low high op amp kec-54163-5/5 anf2 input to dm-cn4 to dm-cn5 motor driver gain master treble high mid low mid bass ...

  • Page 25: Parts List

    Contents overall assembly ····································································································································· 2 pre-main unit ····························································································································...

  • Page 26: Overall Assembly

    Dg100-212 2 overall assembly overall cabinet assembly; see page 6 pre-main unit; see page 4.

  • Page 27

    Description overall assembly pre-main unit pre-main unit pre-main unit pre-main unit overall cabinet assembly oval head screw washer speaker hexagonal nut oval head screw washer connector assembly connector assembly name plate name plate name plate label, serial numbe connector assembly bind head sc...

  • Page 28: Pre-Main Unit

    Dg100-212 4 pre-main unit power transformer ac cord assembly earth mark chassis assembly; see page 8 front panel assembly; see page 7 anr circuit board assembly power switch assembly.

  • Page 29

    Dg100-212 5 *: new parts rank:japan only ref no. 10 12 14 18 20 22 24 28 30 40 40a 40b 40c 40d 50 60 70 80 90 100 100a 110 112 114 118 120 124 130 140 170 180 192 202 215 228 part no. Vp156800 vz974400 vz746600 vz746500 ek400500 vp156700 vu578300 vz736500 vz736600 vp156700 v2217000 mg000610 vz176600...

  • Page 30: Overall Cabinet Assembly

    Dg100-212 6 *: new parts rank:japan only ref no. 10 20 30 31 40 50 50a 60 70 71 72 80 90 part no. Vz893900 aa809050 ex802320 nb812640 vz894500 v2237300 aa801680 aa801690 vb857600 ex802310 vz894600 v2168900 description overall cabinet assembly cabinet assembly vinyl corner round head wood screw handl...

  • Page 31: Front Panel Assembly

    Front panel assembly dg100-212 7 *: new parts rank:japan only ref no. 10 20 20a 20b 30 40 50 60 70 70a 70b 70c 70d 70e 70f 70g 70h 70i 70j 80 90 100 110 120 130 part no. Vz736200 vz974200 vz736100 ep600230 vz974600 et800080 et800150 vz772300 vv374000 vv374100 vz739800 vz739900 vv374500 vv374600 v213...

  • Page 32: Chassis Assembly

    Dg100-212 8 chassis assembly.

  • Page 33

    Dg100-212 9 *: new parts rank:japan only ref no. 10 20 30 40 50 52 54 60 70 72 74 80 90 95 100 110 115 120 130 140 150 160 170 180 190 200 part no. Vz735800 vz771800 ep600230 ep600190 vz974000 vz975900 vz976300 ep600230 xu118a00 xu295a00 xu296a00 vp156800 vz735900 vz736000 vp156600 vz739200 v0029700...

  • Page 34: Electrical Parts

    Dg100-212 10 electrical parts *: new parts rank:japan only ref no. Bt1 bt1 c001 c003 -006 c013 c024 c025 c027 c030 c034 c037 c040 c042 c044 c050 c053 -055 c058 c059 c060 c061 c063 c064 c066 c067 c068 c069 c071 c074 c077 c078 -081 c082 c083 c084 c085 c091 -096 c097 c098 c101 c102 c103 c104 c105 c106 ...

  • Page 35

    Dg100-212 11 *: new parts rank:japan only ref no. C118 c119 c120 c121 c122 c123 c124 c125 c126 -129 c130 c131 c132 c133 -136 c137 -140 c141 -143 c144 c145 c146 c147 c148 c151 c152 c155 c156 c157 c158 c159 c160 c163 c164 c165 c166 c167 c168 c169 c170 c171 -174 c175 c176 c177 -180 c181 -190 c191 -195 ...

  • Page 36

    Dg100-212 12 *: new parts rank:japan only ref no. Ic008 ic008 ic011 ic011 ic012 ic013 ic014 ic018 ic019 ic021 ic025 ic027 ic028 ic029 ic033 ic034 ic035 ic036 ic101 ic102 ic110 ic117 ic118 ic119 ic120 ic121 ic122 ic123 ic124 ic125 ic128 ic129 ic130 jk1 l1-4 r002 r005 r006 r008 r014 r015 r018 r025 r02...

  • Page 37

    Dg100-212 13 *: new parts rank:japan only ref no. R129 r130 r131 r132 r133 -138 r139 r140 r141 r142 r143 ra1 -16 tr1 tr2 x001 x003 x101 c301 c302 c303 c304 c305 c306 c307 c308 c309 c310 c311 c312 c313 c314 c315 c316 c317 c318 c319 c320 c321 c322 c323 c324 c325 c326 c327 c329 c330 c331 c332 c333 c334...

  • Page 38

    Dg100-212 14 *: new parts rank:japan only ref no. C408 c409 c410 c411 c412 c413 c414 c415 c416 -418 c419 c420 c421 c422 c423 c424 c425 c426 -428 c501 c502 c503 -506 c507 c508 c601 c602 c603 c604 c605 c606 c607 c608 c609 c610 c611 c612 c613 c614 c615 c616 c617 c618 c619 c701 c702 c703 c704 c705 c706 ...

  • Page 39

    Dg100-212 15 *: new parts rank:japan only ref no. Cn404 cn501 cn502 cn503 cn504 cn601 cn602 cn603 cn604 cn701 d301 -309 d401 d402 d501 -505 d701 -704 db301 db302 db303 em601 f301 f301 f301 f302 f302 f302 f303 f303 f303 f304 f304 f304 f305 f305 f305 ft301 ft302 ic301 ic302 ic303 ic401 -403 ic501 ic60...

  • Page 40

    Dg100-212 16 *: new parts rank:japan only ref no. R309 r310 r311 r312 -315 r316 r317 r318 r319 r320 r321 r322 r323 r324 r325 r326 r327 r328 r329 r330 r331 r332 r333 r334 r335 r336 r337 r338 r339 r340 r341 r401 r402 r403 r404 r405 r406 r407 r408 r409 r410 r411 r412 r413 r414 r415 r416 r417 r418 r419 ...

  • Page 41

    Dg100-212 17 *: new parts rank:japan only ref no. R508 r509 r510 r511 r512 r513 r514 r515 r516 r601 r602 r603 r604 r605 r606 r607 r608 r609 r610 r611 r612 r613 r614 r615 r616 r701 r702 r703 r704 r705 r706 r707 r708 r709 r710 ra301 -303 ry301 spgh tr301 -303 tr304 -306 tr307 tr308 tr309 tr310 tr311 t...

  • Page 42

    Dg100-212 18 *: new parts rank:japan only ref no. Vr610 vr611 vr612 vr613 zd301 zd401 zd402 zd501 zd601 -608 c201 -203 c204 c205 c206 cn201 cn202 d201 -214 ic201 ic201 ic202 -205 ld201 -206 ld201 -206 ld207 -214 ld207 -214 r201 r202 -205 r206 r207 r208 r209 r210 -212 r213 r214 -220 r221 -234 sw201 -...