1 ez-ag service manual pk 011700 copyright (c) yamaha corporation. All rights reserved. Pdf-k167 ’03.11 hamamatsu, japan contents specifications ..................................................................... 3 panel layout .........................................................................
Ez-ag 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 other ...
3 ez-ag specifications strings frets displays sounds play modes controls songs tempo range volume range balance range capo range tuning connectors maximum output power phones/output speaker power supply power consumption dimensions (w x d x h) weight 6 12 led display, 6 x 6 fret leds 9 guitar, 8 bas...
Ez-ag 4 1st 6th 2 3 1 5 6 7 16 17 18 19 20 8 9 10 11 12 13 14 15 4 1 led 2 frets 3 control section 7 value [+]/[-] buttons 8 display 9 [volume] button 10 [tuning] button 11 [tempo] button 12 [capo] button 13 [song] button 14 [sound] button 15 [demo] button 16 play mode [1]/[strum], [2]/[chord], [3]/...
5 ez-ag circuit board layout cn801 cn802 neck assembly strings sensor unit bottom assembly top assembly battery cover assembly se1 pn am dm dm se cn501 cn601 cn604 cn701 cn901 cn901 cn902 cn902 cn903 cn3 cn3 adhesive tape mute connector assembly • first lot.
Ez-ag 6 block diagram speaker 4 Ω sensor amp 6ch se1 pn am dm se cn903 (4p) s2 s1-s6 8x10 ic1 (64p) ta1,3 (18p) s4 s6 s1 s3 s5 cn902 (4p) cn901 (7p) sensor unit mute plate string piezo sensor x3 piezo sensor x3 earth plate sub cpu led driver clock 8.00 mhz dgnd 15 36 s [0-11] d [0-7] l [0-15] s [0-1...
7 ez-ag [140b] [140b] top assembly b (sensor wire) speaker b (sensor wire) a (speaker terminals) [110b] [110b] [110c] [110c] [110c] [110c] [110b] [110b] [130a] se se1 adhesive tape mute connector assembly • first lot dm [110a] [110a] [110a] [120a] [140a] [140a] bottom assembly [b120] [b120] [b120] [...
Ez-ag 8 adhesive tape mute connector assembly • first lot top assembly strings sensor unit neck assembly [140c] [130b] [130b] [140c] [130b] [120b] [120b] [130b] fingerboard key top rubber a key top rubber b key top rubber c key top rubber d [n70] fingerboard [n70] pn 5. Strings sensor unit (time req...
9 ez-ag lsi pin description 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 s1 s2 s3 s4 s5 vref+ vdd osc2 osc1 vss xi xo mmod rd0 rxd d0 d1 d2 d3 d4 /rst d5 d6 d7 d8 d9 s6 s7 s8 s9 s10 s11 i i i i i - - o i - ...
Ez-ag 10 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 83...
11 ez-ag ic block diagram 74hcu04dt (xz110a00) dm: ic607 tc74hct04af-t1 (xi297a00) mm74hcu04sjx (x0294a00) dm: ic702 hex inverter hd74lvc08fp (xu720a00) dm: ic306 quad 2 input and sn74lv4053apwr (x2719a00) dm: ic701 triple 2-channel multiplexer/demultiplexer njm4580e-t1 (xq178a00) dm: ic502 dual ope...
Ez-ag 12 to dm-cn501 330 Ω to battery (lr6 “aa” size x 6) standby on phones/ output midi in out dc in 12v minus terminal of c804 minus terminal of c802 note: see parts list for details of circuit board component parts. Am circuit board (x3960b0) .........................................................
13 ez-ag to mute-plate to am-cn801 to se-cn901, speaker to pn-cn3 not installed 2na-wa83340 dm circuit board component side pattern side 1.
Ez-ag 14 2na-wa83470 2 to dm-cn701 a' a a' a b' b b' b string-1 string-2 string-3 string-4 string-5 string-6 component side pn circuit board.
15 ez-ag c' c fret-1 fret-2 fret-3 fret-4 fret-5 c' c d' d fret-6 fret-7 fret-8 fret-9 fret-10 fret-11 fret-12 d' d strum 1 start/stop chord 2 play mode start/stop both 3 reset value- value+ start/stop demo start/stop sound select song select volume tempo tuning capo pattern side 2na-wa83470 2 pn ci...
Ez-ag 16 test program 1. Preparation pa-3c, pa-32 (ac adaptor) is used. Jigs: frequency counter, level meter (with jis-c filter), midi cable note) connect a stereo plug to the [phones/output] jack at 33 ohms. 2. How to enter the test mode while pressing the 1st fret, 2nd fret and 3rd fret of 6th str...
17 ez-ag test no. 7-seg. Led for each test test function and judgment criteria 20 21 25 30 36 37 41 42 43 45 48 check the switches and the leds on the panel. Press the switches as shown on the leds in the sequence indicated in table 1 (p.18). A sound is generated while the fret switch is pressed. (n...
Ez-ag 18 inspection (preparation) pa-3c, pa-32 (ac adaptor) is used. Jigs: oscilloscope, voltmeter turn on the [standby/on] switch. (1) volume check. Operate the [volume] from its highest (127) setting to its lowest (0) setting. Check that there is no static and that the operation can be performed s...
19 ez-ag yamaha [ ez guitar ] 11-june-2003 model ez-ag midi implementation chart transmitted recognized remarks function... Basic default 1 - 6 1 - 16 *1 channel changed x 1 - 16 *1 default 3 3 mode messages x x altered ************** x note 28 - 88 0 - 127 number : true voice ************** 0 - 127...
Ez-ag 20 note: *1 *2 *3 [note] str vel kno the value which is function id, ctr 1, ctr 2, str and kno are hexadecimal form. : string number(see below) : velocity of played note(00 is muted) : midi note number(see below) ez-ag functions as a 16-channel multi-timbral tone generator, and incoming data d...
Parts list contents overall assembly ............................................................. 2 strings sensor unit ........................................................ 4 electrical parts ........................................................... 6-11 warning components having special char...
Ez-ag 2 overall assembly 50a 150 110 140 140 110 160 170 130 130 130 140 140 140 130 110 140 120 120 190 b60 b80 b70 b180 b180 b90 b10 b20 b50 b30 t10 t30 t40 t80 t80 t60 t50 t70 t20 t60 t50 t70 t30 t40 t90 50b top assembly bottom assembly battery cover assembly 10 80 strings sence unit 30 60 60 70 ...
Ez-ag 3 ref no. Part no. Description remarks qty rank rank: japan only * * * * * * * * * * * * * * * * * * * * * * overall assembly ez-ag (wa61820) 10 top assembly (wb41840) 20 bottom assembly (wb41850) 30 strings sensor unit 40 neck assembly (wb41820) 50 battery cover assembly 50a battery cover bla...
Ez-ag 4 100 120 120 120 120 130 160 160 130 120 110 110 110 10 20 30 20 40 40 90 90 60 70 50 50 30 it can not be disassembled. Strings sensor unit.
Ez-ag 5 ref no. Part no. Description remarks qty rank rank: japan only * * strings sensor unit ez-ag 10 sensor base (wa89330) 20 sensor 7bb-12-9a6 piezo (v905470) 6 30 adhesive tape 15x15x0.16 (wb45000) 6 40 bracket 1.0 (v852360) 2 50 bracket 1.2 (v852740) 2 60 string 1.0 gs (wa96890) 3 70 string 1....
Ez-ag 6 : new parts ref no. Part no. Description remarks qty rank rank: japan only electrical parts ez-ag circuit board am (wa83390)(x3960b0) circuit board se (se+se1) (wa83390)(x3960b0) circuit board dm (wa83340)(x4489b0) circuit board pn (wa83470)(x3961b0) circuit board am (wa83390)(x3960b0) circu...
Ez-ag 7 : new parts ref no. Part no. Description remarks qty rank rank: japan only c0102 ceramic capacitor-ch(chip) 27p 50v j 01 c0103 ceramic capacitor-b (chip) 0.0100 50v k 01 c0104 ceramic capacitor-b (chip) 0.0100 50v k 01 c0105 ceramic capacitor-f (chip) 0.1000 25v z 01 c0106 monolithic ceramic...
Ez-ag 8 : new parts ref no. Part no. Description remarks qty rank rank: japan only * * cn601 connector base post ph 9p se 01 cn604 connector base post ph 2p se 01 cn701 connector base post ph 5p se 01 d0501 diode sfpb-62v 01 d0502 diode rls-73 te-11 01 d0601 diode 1ss355 te-17 01 -0613 diode 1ss355 ...
Ez-ag 9 : new parts ref no. Part no. Description remarks qty rank rank: japan only r0049 carbon resistor (chip) 390.0k 63m j 01 r0050 carbon resistor (chip) 5.6k 63m j 01 r0051 carbon resistor (chip) 100.0k 63m j 01 r0052 carbon resistor (chip) 0 63m j 01 r0053 carbon resistor (chip) 56.0k 63m j 01 ...
Ez-ag 10 : new parts ref no. Part no. Description remarks qty rank rank: japan only * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * zd601 zener diode rd2.0s-t1 2.0v -606 zener diode rd2.0s-t1 2.0v circuit board pn (wa83470)(x3961b0) c0001 monolithic ceramic cap. 10.000 ...
Ez-ag 11 : new parts ref no. Part no. Description remarks qty rank rank: japan only sensor 7bb-12-9a6 piezo (v905470) 6 --.
1 2 3 4 5 6 7 8 9 10 11 12 a b c d e f g h ez-ag ez-ag ez-ag ez-ag overall circuit diagram 1/2 (dm) pq1cz1t (xr404a00) dc-dc converter ic503 4 3 2 1 5 3: oadj 2: vout 4: on/offcont. 5: common 1: vin see parts list for details of circuit board component parts. Note: not installed **: sram 2m (128k x ...
1 2 3 4 5 6 7 8 9 10 11 12 a b c d e f g h ez-ag ez-ag ez-ag ez-ag overall circuit diagram 2/2 (am, se, se1, pn) to dm-cn501 power amp photo coupler se1 to dm-cn601 string piezo sensor pn se am sub cpu transistor array transistor array 7-seg. Display to dm-cn701 midi phones/output dc in 12v ac adapt...
