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Yamaha N-100 Service Manual

Other manuals for N-100: Owner's Manual, Quick Operation Manual

Summary of N-100

  • Page 1

    Contents digital piano service manual specifications ..................................................................... 3 panel layout ...................................................................... 4 disassembly procedure ................................................. 5 lsi pin descrip...

  • Page 2: Warning

    N-100 2 warning components having special characteristics are marked and must be replaced with parts having specification equal to those originally installed. Important notice this manual has been provided for the use of authorized yamaha retailers and their service personnel. It has been assumed th...

  • Page 3: Specifications

    N-100 3 specifications keyboard gh keyboard 88 keys (a-1–c7) sound source awm dynamic stereo sampling polyphony (max.) 64 voice selection 10 effect reverb volume master volume controls dual, transpose, touch (hard/medium/soft/fixed) pedal damper (with half-pedal), sostenuto, soft demo songs 10 voice...

  • Page 4: Panel Layout

    N-100 4 panel layout w i r t u y q e o q [power] switch w [master volume] dial e [demo] button r [piano/voice] button t [select] button y midi [in] [out] terminals u aux out [l] [r] (level fixed) jacks i [phones] jacks o soft pedal (left), sostenuto pedal (center), damper pedal (right).

  • Page 5: Disassembly Procedure

    5 n-100 disassembly procedure [40]: flat head screw 3.0x8 mfzn2b3 (wg825700) (fig. 1) caution: be sure to attach the removed filament tape just as it was before removal. 1. Keyboard cover (time required: about 3 minutes) 1-1 pull up the keyboard cover cap to remove it. (fig. 1) 1-2 open the keyboard...

  • Page 6

    N-100 6 b a a keyboard cover (fig. 4) [29]: bind head tapping screw-b 4.0x12 mfzn2b3 (we998600) [30]: truss head screw 4.0x25 mfzn2b3 (wh289900) (fig. 5) [29] [30] [29] [30] [29] [29] [29] [29] (fig. 6) 2. Upper case assembly (time required: about 10 minutes) 2-1 fully open the keyboard cover until ...

  • Page 7

    7 n-100 [21a]: bind head tapping screw-1 3.5x12 mfzn2w3 (we970900) (fig. 7) gnd wire speaker l (squawker) pk connector power supply unit cover (u only) power supply unit [27b] net maeq net2 dm [21a] [21b] [42a] [27a] [103c] gnd wire speaker r (squawker) [21a] [42b] [17b], [b] [33] [31] [17a], [a] [1...

  • Page 8

    N-100 8 6. Pn circuit board (time required: about 11 minutes) 6-1 remove the “master volume” volume knob from the control panel surface. (fig. 10) 6-2 remove the upper case assembly. (see procedure 2.) 6-3 remove the six (6) screws marked [15a]. The pn circuit board can then be removed. (fig. 10) [2...

  • Page 9

    9 n-100 • upper case assembly shaft holder assembly r shaft holder assembly l power switch assembly [15c] [14] [15b] volume knob [15a] [15a] panel cover switch pl pn [14]: bind head tapping screw-b 3.0x10 mfzn2w3 (we774200) [15a], [15b], [15c]: bind head tapping screw-b 3.0x8 mfzn2w3 (we774300) (fig...

  • Page 10

    N-100 10 12. Pedal box assembly and pedal assembly (time required: about 6 minutes) 12-1 fully open the keyboard cover until it is placed upside down and away from you. (fig. 4) 12-2 lay a soft cloth such as a blanket, and put the finished product on it carefully with the keyboard side facing upward...

  • Page 11

    11 n-100 rubber contact vr actuator vr holder solder [d] pedal (sw) pedal vr • pedal assembly [120a] [120b] [120b] [270] [270] [c] [c] pedal piece l actuator pedal (sw) pedal vr (fig. 18) [120a],[120b]: bind head tapping screw-b 3.0x8 mfzn2b3 (we774400) [270]: bind head tapping screw-b 3.0x10 mfzn2w...

  • Page 12

    N-100 12 connector assembly wf front leg assembly speaker box assembly front leg assembly books cloth pedal assembly connector assembly pk-lf ac cord [9ab] [9ab] [9aa] [9aa], [9ab]: pan head screw 6.0x16 mfzn2b3 sp (wg15760) ∗ (fig. 19) 14. Speaker box assembly (time required: about 5 minutes) 14-1 ...

  • Page 13

    13 n-100 back top board holder pedal box assembly speaker box assembly speaker box unit 16. Front rail holder assembly (time required: about 13 minutes) 16-1 remove the upper case assembly. (see procedure 2.) 16-2 remove the seven (7) screws marked [26a] from the bottom of the main unit and the four...

  • Page 14

    N-100 14 ghd ebus l rubber contact (photo 6) (photo 7) round stick (rod: tx000670) ghd ebus l mk sub (fig. 23) (photo 5) 19. Disassembling the keyboard assembly * after inserting a round stick (rod: tx000670) between the frame and the keys, remove the circuit boards. (fig. 23) 19-1 ghd ebus l, mk su...

  • Page 15

    15 n-100 frame hammer, white key stopper (l88_w) spring hook hammer, white key stopper (l88_w) thin metal plate etc triangle mark [e] spring white key (fig. 25) (fig. 26) 19-5 white key in order to release the white key from the stopper, insert a thin plate between the white keys (gap in the directi...

  • Page 16

    N-100 16 hook triangle mark white key [f] [g] spring key guide ghd m ghd ebus l spring frame hook up (fig. 31) (fig. 32) (fig. 30) (fig. 30-1) 20-2 spring place the keyboard assembly right side up. Fix key springs on the frame by setting one at each slit and pushing down once on each key spring. (fi...

  • Page 17: Lsi Pin Description

    17 n-100 lsi pin description hd6433690b70fyv (x6008200) cpu (e-hosts) ............................................................................ 17 ymw767-vtz (x6055a00) cpu (swl01b) ...................................................................................... 18 ak4385et (x6040a00) dac (...

  • Page 18

    N-100 18 dm: ic004, 007 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 vss testn pllbpn pllv dd cin pllvss trstn...

  • Page 19

    19 n-100 ak4385et (x6040a00) dac (digital to analog converter) dm: ic011 pin no. Name i/o function pin no. Name i/o function i master clock rch analog out(-) i audio serial data clock rch analog out(+) i audio serial date input lch analog out(-) i l/r clock lch analog out(+) i power down mode ground...

  • Page 20: Ic Block Diagram

    N-100 20 ic block diagram sn74hc14nsr (xc725a00) pn: ic1 hex inverter sn74lv32apwr (x5647a00) dm: ic018 quad 2 input or sn74lv126apwr (x3865a00) dm: ic029 bus buffer µ pc4574g2-e1-a (x7391a00) maeq: ic007, 010 quad operational amplifier tc7w04fu (xp004a00) dm: ic006 triple inverter njm2068m-d(te2) (...

  • Page 21: Circuit Boards

    21 n-100 ta8233hq (xu131a00) maeq: ic004 audio power amplifier protector load dump thermal shut down short circuit clip-det short-det vcc2 vcc1 in1 nf1 in2 nf2 ripple pre-amp pre-amp flat- amp flat-amp out2 out1 out4 out3 gnd1 gnd2 stand-by sw pre-gnd 15 17 10 9 1 2 3 8 7 6 5 4 16 14 tab 13 11 12 dm...

  • Page 22

    N-100 22 to pjk-cn1 to jack-cn1 to maeq-cn4 not installed to ghd ebus l-cn1 not installed not installed not installed to pn-cn3 to jack-cn9 to pn-cn2 dm circuit board component side 2na-wd97020 5 scale: 150/100

  • Page 23

    N-100 23 48p-tsop 1 3 mount the 48p-tsop on the places marked ic8 and ic16 to use p2rom. During the installment, mount the pin #1 of the 48p-tsop to the position for the pin #3 of the 56p-tsop. * if mask rom is mounted (ic9, ic17), p2rom is not to be mounted. Dm circuit board pattern side 2na-wd9702...

  • Page 24

    N-100 24 jack circuit board jack: 2na-wf51870 pn: 2na-wf54150 to dm-cn7 to pn-cn1 to pl-cn11 to maeq-cn2 to maeq-cn3 to dm-cn2 phones aux out (level fixed) r l midi in out pn circuit board 1 component side to dm-cn4 to dm-cn5 to jack-cn3 to panel cover switch demo master volume piano/voice select co...

  • Page 25

    N-100 25 jack circuit board pn circuit board jack: 2na-wf51870 pn: 2na-wf54150 1 pattern side pattern side.

  • Page 26

    N-100 26 to jack-cn6 not installed to jack-cn7 to net-cn1 not installed to dm-cn1 to ps-cn2 not installed wire (wg81540) wire is fixed with a bond. Wire is fixed with a bond. : not installed 1 cn3 8 6pin 1 cn2 11 7pin 2na-we74500 maeq circuit board 3 component side scale: 80/100

  • Page 27

    N-100 27 maeq circuit board 2na-we74500 3 pattern side scale: 80/100

  • Page 28

    N-100 28 to ghd ebus l-cn4 to ghd ebus l-cn5 not installed net: 2na-we06660 mk sub: 2na-v658820 to speaker box assembly (wf connector assembly) to net2-cn3 to maeq-cn6 : not installed net circuit board mk sub circuit board component side pattern side component side 7.

  • Page 29

    N-100 29 to jack-cn10 power indicator : not installed to speaker r (squawker) to speaker l (squawker) to net-cn3 not installed net2 circuit board component side pattern side pl circuit board component side net2: 2na-we06660 pl: 2na-wf51870 7.

  • Page 30

    N-100 30 2nak8-v646930 ghd ebus l circuit board component side to dm-cn10 a a' to ghd m-cn3 to ghd m-cn1 to mk sub-cn1 to mk sub-cn3 a a' not installed.

  • Page 31

    N-100 31 not installed b b' to ghd m-cn4 b b' to ghd m-cn2 2nak8-v852140 component side ghd h circuit board.

  • Page 32

    N-100 32 to ghd h-cn1 c c' to ghd h-cn3 to ghd ebus l-cn2 to ghd ebus l-cn3 c c' component side 2nak8-v852150 ghd m circuit board.

  • Page 33

    N-100 33 pedal (sw) circuit board d d' damper pedal sostenuto pedal damper volume to dm-cn3 d d' sostenuto pedal soft pedal pedal vr circuit board pjk circuit board component side pattern side component side pedal(sw), pedal vr: 2na-v233730 pjk: 2na-wc56110 1 1 component side.

  • Page 34

    N-100 34 2na-v001070 to maeq-cn1 to power switch ac inlet not installed ps circuit board component side.

  • Page 35: Test Program

    N-100 35 test program 1. Preparation to execute the test, the following measuring instruments and jigs are required. (input impedance of the measuring instruments should be 1 m Ω or more.) · level meter (with jis-c filter) · midi cable set the [master volume] to the maximum level and the leave the p...

  • Page 36

    36 n-100 table 1 test items no. Key test item test function and judgment criteria 1 c3 to check the master rom version using c0 — a2 keys. To check the slave rom version using c3 — a5 keys. Press keys in the specified range and find the key where the sine wave sounds. Check the version by the scale ...

  • Page 37

    N-100 37 no. Key test item test function and judgment criteria 11 12 13 14 15 16 17 18 g3 g#3 a3 a#3 b3 c4 c#4 d4 pitch check output level r check output level l check eq-low frequency check eq-mid frequency check eq-high frequency check sw check lighting of all panel leds check that the sine wave o...

  • Page 38

    38 n-100 no. Key test item test function and judgment criteria demo piano/voice select order switch name 1 2 3 note no. C3 d3 e3 table 2 switch test order ● other inspections 1. Master volume usually, [master volume] is evaluated by sensory test. When there is a doubt, measure and confirm with the m...

  • Page 39: Midi Implementation Chart

    N-100 39 midi implementation chart transmitted function recognized remarks basic channel note number : true voice velocity after touch pitch bend control change prog change : true # system exclusive common : song pos. : song sel. : tune system : clock real time : commands : all sound off aux : reset...

  • Page 40: Midi Data Format

    N-100 40 if you’re already very familiar with midi, or are using a computer to control your music hardware with computer-generated midi messages, the data provided in this section can help you to control the n-100. 1. Note on/off data format: [9nh] -> [kk] -> [vv] 9nh = note on/off event (n = channe...

  • Page 41

    41 n-100 4. Program change data format: [cnh] -> [pph] cnh = program event (n = channel number) pph = program change number p.C. # = program change number • when program change reception is turned off, no program change data is transmitted or received. • when you specify a program change as a number...

  • Page 42

    N-100 42 8. System exclusive messages (xg standard) (1) xg native parameter change data format: [f0h] -> [43h] -> [1nh] -> [4ch] -> [hhh] -> [mmh] -> [ ll h] -> [ddh] -> [f7h] f0h = exclusive status 43h = yamaha id 1nh = when received, n=0–f. When transmitted, n=0. 4ch = model id of xg hhh = address...

  • Page 43

    43 n-100 midi parameter change table (system) address (h) size (h) data (h) parameter description default value (h) 00 00 00 4 020c–05f4(*1) master tune -50–+50[cent] 00 04 00 00 01 1st bit 3–0 → bit 15–12 400 02 2nd bit 3–0 → bit 11–8 03 3rd bit 3–0 → bit 7–4 4th bit 3–0 → bit 3–0 04 1 00–7f master...

  • Page 44: Parts List

    Parts list contents overall assembly ............................................................. 2 main unit ................................................................................ 4 power supply unit ............................................................ 7 upper case assembly ........

  • Page 45: Overall Assembly

    N-100 2 overall assembly 1 main unit: see page 4. 3 2 3a 3b 3a 3b s3 s3 s5 s1c s1b s4b s4b s4a s4a s1b s1a s3 s7 s7 s1 s4 s2 s10 s2 s10 s9 s6 s8 p6 p4 p5 p3 p7 p2 p1 s7 s3 s7 9 9a 9 9a 9 9b 9 9a front leg assembly 3 front leg assembly speaker box assembly 11 pedal box assembly pedal assembly: see pa...

  • Page 46

    N-100 3 : new parts ref no. Part no. Description remarks qty rank rank: japan only * * * * * * * * * * * * * * overall assembly n-100 1 main unit u (wf69800) 1 main unit e,b (wf69810) 2 speaker box assembly (wf73310) 3 front leg assembly 2 3a leg (wf70020) 2 3b leg cap (wf70010) 2 9 screw set 9a pan...

  • Page 47: Main Unit

    N-100 4 main unit 18 42 42 21 21 21 21 21 21 21 22 22c 22b 22c 22a 25 21 44 5 4 27 27 27 103 103 101 102 u only 100 104 44 44 11 33 19 m20 11b 11a 11c 11c 19 m40 19 m50 19 m60 19 m50 19 m90 19 m120a 19 m80 19 m90 19 m70 19 m30 19 m30 19 m10 19 m120 19 m110 19 m110 19 m100 19 m10 4b 4b 4 4a 4a 20 32 ...

  • Page 48

    N-100 5 : new parts ref no. Part no. Description remarks qty rank rank: japan only * * * * * * * * * * * * * * * main unit n-100 main unit u (wf69800) main unit e,b (wf69810) a composite common parts (wf69760) 100 name plate u (wf73220) 100 name plate e,b (wh19980) 101 power supply unit u u (wf16800...

  • Page 49

    N-100 6 : new parts rank: japan only cable assembly main (wf72930) m10 connector assembly midi phr-5 5p l=400 (wf67520) m20 connector assembly krd-krd 11p-250 04 m30 connector assembly krd-krd 5p-200 m40 connector assembly krd-krd 7p-250 m50 connector assembly krd-krd 6p-150 (vk10060) m60 connector ...

  • Page 50: Power Supply Unit

    N-100 7 power supply unit : new parts ref no. Part no. Description remarks qty rank rank: japan only 部 品 名 power supply unit n-100 power supply unit u u (wf16800) power supply unit e e,b (wf16810) 1 bind head tapping screw-b 3.0x10 mfzn2b3 2 01 2 plate, ac inlet 07 3 circuit board ps u 11 3 circuit ...

  • Page 51: Upper Case Assembly

    N-100 8 upper case assembly 4 5 4a 5a 17 18 1 19 15 16 15 15 21 12 22 22 15 20 10 9 p10 9 p30 9 p40 9 p60 9 p70 p60a p60b p60c l3 l7 l4 l7 l7 l10 l2 l5 l5 l5 l9 l8 l12 l6 9 p20 11 7 2 14 r3 r7 r4 r7 r7 r10 r2 r5 r5 r5 r9 r4 r6 r6 r8 3 14 13 13 13 19 19 13 19 8 6 9 p70 13 19 shaft holder assembly l s...

  • Page 52

    N-100 9 : new parts ref no. Part no. Description remarks qty rank rank: japan only * * * * * * * * * * * * 部 品 名 upper case assembly n-100 upper case assembly (wf70910) 1 upper case 2 shaft holder assembly l left 3 shaft holder assembly r right 4 speaker grille assembly l left 4a nonwoven fabric clo...

  • Page 53: Keyboard Assembly

    N-100 10 keyboard assembly 24 24h 24e 24f 24g 24a 24j 24k 24i 11a 222 230 300 300 235 220 224 240 260 262 260 260 260 305 310 11e 11i 11d 11h 11c 11g 11b 11f 210 11 24d 24c 24b 270 gh key set ghd frame assembly 11 ghd frame assembly.

  • Page 54

    N-100 11 : new parts ref no. Part no. Description remarks qty rank rank: japan only keyboard assembly ghd_ebus a88 k6 n-100 keyboard assembly ghd_ebus a88 k6 51 11 frame a88 (vz7054a) 11a stopper felt 1229x12x14.8t u88 09 11b hammer assembly, white key w1 a-1-f1 13 05 11c hammer assembly, white key ...

  • Page 55: Pedal Assembly

    N-100 12 pedal assembly : new parts ref no. Part no. Description remarks qty rank rank: japan only * * * * pedal assembly (u) n-100 pedal assembly (u) 10 pedal frame (wg85520) 20 pedal piece c center sostenuto pedal 08 30 pedal piece l left soft pedal 40 pedal piece r right damper pedal 50 actuator ...

  • Page 56: Electrical Parts

    N-100 13 electrical parts n-100 circuit board dm (wf54110)(x5830e0) circuit board ghd ebus l (xz138d0) 13 circuit board mk sub (v658810)(xz142b0) 10 circuit board ghd h (x2218a0) 08 circuit board ghd m (x2217a0) 08 circuit board jack (wf51870)(x6841d0) circuit board pl (wf51870)(x6841d0) circuit boa...

  • Page 57

    N-100 14 c0078 ceramic capacitor-f (chip) 0.1000 16v z rect. 01 c0078 ceramic capacitor-f (chip) 0.1000 25v z rect. 01 c0082 electrolytic cap. (chip) 22 6.3v 01 c0083 ceramic capacitor-b (chip) 0.0100 50v k rect. 01 c0084 electrolytic cap. (chip) 22 6.3v 01 c0085 ceramic capacitor-b (chip) 0.0100 50...

  • Page 58

    N-100 15 l0001 chip inductance 600 bk1608hm601-t 01 -0004 chip inductance 600 bk1608hm601-t 01 l0007 chip solid inductance blm21pg221sn1d 01 l0012 chip inductance blm18pg600sn1 -0014 chip inductance blm18pg600sn1 r0001 carbon resistor (chip) 10.0k 63m j rect. 01 r0002 carbon resistor (chip) 0 63m j ...

  • Page 59

    N-100 16 r0148 carbon resistor (chip) 0 63m j rect. 01 r0149 carbon resistor (chip) 47.0 63m j rect. 01 -0151 carbon resistor (chip) 47.0 63m j rect. 01 r0154 carbon resistor (chip) 47.0 63m j rect. 01 r0156 carbon resistor (chip) 47.0 63m j rect. 01 r0161 carbon resistor (chip) 5.6k 63m j rect. 01 ...

  • Page 60

    N-100 17 circuit board jack (wf51870)(x6841d0) circuit board pl (wf51870)(x6841d0) jumper wire 0.55 (va07890) c1 ceramic capacitor-f (chip) 0.100 50v z rect. C3 electrolytic cap. 4.70 35.0v rx tp 01 c4 electrolytic cap. 4.70 35.0v rx tp 01 c5 ceramic capacitor-b (chip) 1000p 50v k rect. 01 c6 cerami...

  • Page 61

    N-100 18 -11 chip inductance bk212 5hm601-t 01 l12 coil fl05rd200at 20uh 01 -17 coil fl05rd200at 20uh 01 l18 ferrite bead bl02rn2r1p1a tatet 02 -21 ferrite bead bl02rn2r1p1a tatet 02 ld1 led blue sel2e10c tp8 power indicator r3 carbon resistor (chip) 680.0 63m j rect. 01 r4 carbon resistor (chip) 68...

  • Page 62

    N-100 19 c0023 electrolytic cap. 22 25.0v te 01 c0024 electrolytic cap. 22 25.0v te 01 c0025 electrolytic cap. 220 25.0v te 01 -0027 electrolytic cap. 220 25.0v te 01 c0028 ceramic capacitor-f (chip) 0.100 50v z rect. -0034 ceramic capacitor-f (chip) 0.100 50v z rect. C0028 ceramic capacitor-f (chip...

  • Page 63

    N-100 20 ic007 ic upc4574g2-e1-a op amp 02 ic009 ic upc4570g2-e1-a op amp 01 ic010 ic upc4574g2-e1-a op amp 02 ic011 ic upc4570g2-e1-a op amp 01 r0001 carbon resistor (chip) 10.0k 63m j rect. 01 r0010 carbon resistor (chip) 0 63m j rect. 01 r0011 carbon resistor (chip) 0 63m j rect. 01 r0017 carbon ...

  • Page 64

    N-100 21 -0105 carbon resistor (chip) 10.0 63m j rect. 01 r0106 carbon resistor (chip) 22.0k 63m j rect. 01 r0107 carbon resistor (chip) 4.7k 63m j rect. 01 r0108 carbon resistor (chip) 10.0k 63m j rect. 01 r0109 carbon resistor (chip) 4.7k 63m j rect. 01 r0110 carbon resistor (chip) 22.0k 63m j rec...

  • Page 65

    N-100 22 ld4 led blue e1l4e-sb1a6-02 demo ld5 led blue e1l4e-sb1a6-02 piano/voice ld6 led blue e1l4e-sb1a6-02 select r13 carbon resistor (chip) 680.0 63m j rect. 01 -15 carbon resistor (chip) 680.0 63m j rect. 01 r21 carbon resistor (chip) 10.0k 63m j rect. 01 -23 carbon resistor (chip) 10.0k 63m j ...

  • Page 66: N-100 Block Diagram

    12 11 10 9 8 7 6 5 4 3 2 1 12 11 10 9 8 7 6 5 4 3 2 1 q p o n m l k j i h g f e d c b a q p o n m l k j i h g f e d c b a n-100 n-100 block diagram n-100 circuit board layout & wiring n-100 n-100 warning components having special characteristics are marked and must be replaced with parts having spec...

  • Page 67

    12 11 10 9 8 7 6 5 4 3 2 1 a b c d e f g h i j k l m n o p q 12 11 10 9 8 7 6 5 4 3 2 1 a b c d e f g h i j k l m n o p q n-100 n-100 n-100 n-100 overall circuit diagram 1/3 (dm) 28cc1-8834455-1 10 : not installed : ceramic capacitor note : see parts list for details of circuit board component parts...

  • Page 68: Net

    12 11 10 9 8 7 6 5 4 3 2 1 a b c d e f g h i j k l m n o p q 12 11 10 9 8 7 6 5 4 3 2 1 a b c d e f g h i j k l m n o p q n-100 n-100 n-100 n-100 overall circuit diagram 2/3 (jack, maeq, net, net2, pl, pn, ps) , : not installed : ceramic capacitor : mylar capacitor note : see parts list for details ...

  • Page 69: Pjk

    12 11 10 9 8 7 6 5 4 3 2 1 a b c d e f g h i j k l m n o p q 12 11 10 9 8 7 6 5 4 3 2 1 a b c d e f g h i j k l m n o p q n-100 n-100 n-100 n-100 overall circuit diagram 3/3 (ghd ebus l, ghd h, ghd m, mk sub, pedal (sw), pedal vr, pjk) cn1 28cc1-8831089 damper pedal sostenuto pedal soft pedal to dm-...