Yamaha PSR-S950 Service Manual

Summary of PSR-S950

  • Page 1

    Hamamatsu, japan pk 001876 service manual copyright (c) yamaha corporation. All rights reserved. Pdf ’12.08 specifications .......................................................3 panel layout ..........................................................5 circuit board layout & wiring ....................

  • Page 2: Warning

    Psr-s750/psr-s950 2 warning components having special characteristics are marked and must be replaced with parts having specifi cation equal to those originally installed. Warning: this product contains chemicals known to the state of california to cause cancer, or birth defects or other reproductiv...

  • Page 3: Specifications

    3 psr-s750/psr-s950 specifications psr-s950 psr-s750 size and weight width x height x depth (without music rest) 1,002 x 148 x 437 mm (39 7/16” x 5 13/16” x 17 3/16”) weight (without music rest) 11.5 kg (25 lbs., 6 oz.) 11 kg (24 lbs., 4 oz.) interface keyboard number of keys 61 type organ touch res...

  • Page 4

    Psr-s750/psr-s950 4 functions registration memory number of buttons 8 presets/bank (unlimited number of banks, depending on usb flash memory capacity) control registration sequence, freeze usb audio recording .Wav playback .Wav,.Mp3 .Wav time stretch yes — pitch shift yes — vocal cancel yes — demo/h...

  • Page 5: Panel Layout

    5 psr-s750/psr-s950 panel layout ■ rear panel q dc in jack w [foot pedal] jacks e output [l/l+r]/[r] jacks r [aux in] jack t [mic/line in] jack (psr-s950) y [input volume] knob (psr-s950) u [mic line] switch (psr-s950) i midi [in]/[out] terminals o [usb to host] terminal !0 [usb to device] terminal ...

  • Page 6

    Psr-s750/psr-s950 6 (psr-s750) a q w e r i o !2 !6 @0 !7 !8 !9 !3 !4 !0 !1 !5 u y t • front panel ■ front panel q [ ] (standby/on) switch w [master volume] dial e [demo] button r [mic setting/vocal harmony] button (psr-s950) t song buttons y style category selection buttons u [tap tempo]/tempo butto...

  • Page 7

    7 psr-s750/psr-s950 a a’ @8 @0 @3 @4 @9 #0 @5 @1 @2 @6 @7 #1 @4 voice control buttons @5 [music finder] button @6 part select buttons @7 part on/off buttons @8 registration memory buttons @9 multi pad control buttons #0 one touch setting buttons #1 upper octave buttons.

  • Page 8

    Psr-s750/psr-s950 8 circuit board layout & wiring 110 100 230 220 280 200 240 250 260 s4opview0323 s"ottomview0323 speaker (tweeter) speaker (tweeter) speaker (woofer) speaker (woofer) lower case assembly upper case assembly dm (0 ajack 110 100 200 shield cover 260 ajack.

  • Page 9

    9 psr-s750/psr-s950 110 100 230 220 270 100 110 200 240 250 260 s4opview0323 s"ottomview0323 speaker (tweeter) speaker (tweeter) speaker (woofer) speaker (woofer) lower case assembly upper case assembly dm (0 ajack 200 shield cover 260 ajack.

  • Page 10

    Psr-s750/psr-s950 10 210 200 s"ottomview ajack * this figure shows the psr-s950. Keyboard assembly s7 s5 s4 s6 mk-h mk-l emks61a 480 0" 470 460 450 mod pnc pnl pnr s500%2#!3%!33%-",9 s#%.4%20!.%,!33%-",9 * this figure shows the psr-s950. L60 l70 lcd assembly 50 pns pnm lcd assembly 50 l60 l10 * this...

  • Page 11

    11 psr-s750/psr-s950 unit name location parts no. Parts name connection remarks overall assembly 200 (za57660) connector assembly xh_s dm cn500 - ajack cn4 6p 210 (za57730) connector assembly ph-zh_s ajack cn9 - pnm cn2 8p 220 (za57680) connector assembly ph-zh_s dm cn502 - ajack cn2 11p 230 (za5769...

  • Page 12: Disassembly Procedure

    Psr-s750/psr-s950 12 * disassembly or assembly should be performed on a cloth so as not to damage the lcd. * install the fi lament tape and the harness clamp in the same way as they were before removal. * notes on flat cable contacts are visible from the back. Pay attention not to insert and install...

  • Page 13

    13 psr-s750/psr-s950 3. Hp circuit board (time required: about 4 minutes) 3-1. Remove the lower case assembly. (see procedure 2.) 3-2. Remove the three (3) screws marked [430a]. The hp circuit board can then be removed. (fig. 3) 4. Wheel assembly, pb circuit board (time required: about 4 minutes) 4-...

  • Page 14

    Psr-s750/psr-s950 14 6. Dm circuit board (time required: about 5 minutes) 6-1. Remove the lower case assembly. (see procedure 2.) 6-2. Psr-s750: remove the eight (8) screws marked [440a]. The dm circuit board can then be removed. (fig. 3) 6-3. Psr-s950: remove the screw marked [440b] on the rear and...

  • Page 15

    15 psr-s750/psr-s950 lcd assembly ffc_s wiring assembly ● center panel assembly (psr-s750) pns pnm [300a] [300a] [300a] [300a] x z v c fig. 5 fig. 6 fig. 7 volume knob encorder knob speaker grille assembly (l) speaker grille assembly (r) * this figure shows the psr-s950. Center panel assembly [510b]...

  • Page 16

    Psr-s750/psr-s950 16 9. Crystal display (psr-s750) (time required: about 7 minutes) 9-1. Remove the lower case assembly. (see procedure 2.) 9-2. Remove the center panel assembly. (see procedure 8.) 9-3. Remove the ffc_s wiring assembly. (fig. 7) 9-4. Remove the four (4) screws marked [300a]. The lcd...

  • Page 17

    17 psr-s750/psr-s950 11. Pns circuit board (time required: about 9 minutes) 11-1. Remove the lower case assembly. (see procedure 2.) 11-2. Remove the center panel assembly. (see procedure 8.) 11-3. Remove the ffc_s wiring assembly. (fig. 7, fig. 8) 11-4. Remove the nineteen (19) screws marked [300d]...

  • Page 18

    Psr-s750/psr-s950 18 15. Pnl circuit board (time required: about 5 minutes) 15-1. Remove the lower case assembly. (see procedure 2.) 15-2. Remove the keyboard assembly. (see procedure 14.) 15-3. Remove the ten (10) screws marked [500c]. The pnl circuit board can then be removed. (fig. 12) * when ins...

  • Page 19

    19 psr-s750/psr-s950 18. Tweeter (time required: about 4 minutes) 18-1. Remove the lower case assembly. (see procedure 2.) 18-2. Remove the two (2) screws marked [210]. The tweeter can then be removed. (fig. 13) * the left and right tweeters can be removed in the same method. 19. Woofer (time requir...

  • Page 20

    Psr-s750/psr-s950 20 21-6. Rubber contact 21-6-1. Remove the rubber contact. (fig. 15) (photo 2) 21-7. White and black keys 21-8. Remove the twenty-one (21) screws marked [140k], then remove the black keys from the lower notes. (fig. 16) 21-8-1. Remove the white keys dfa and c’. (fig. 16) 21-8-2. Re...

  • Page 21

    21 psr-s750/psr-s950 22. Assembling the keyboard assembly 22-1. Install the white keys cegb from the lower notes. (fig. 16) 22-2. Install the white keys dfa and c’. (fig. 16) 22-3. Install the black keys from the higher notes, and tighten the twenty-one (21) screws marked [140k]. (fig. 16) * to inst...

  • Page 22: Lsi Pin Description

    Psr-s750/psr-s950 22 lsi pin description ak4396vf-e2 (x8324a00) dac (digital to analog converter) ...........................................................36 ak5357et-e2 (x7585a00) adc (analog to digital converter) ...........................................................36 ak5381vt-e2 (x5219a0r...

  • Page 23

    23 psr-s750/psr-s950 av33 vss xtal extal ptg3/audata3 audck tck ptj6 rclk tstmd md0 pts1/scif0_rxd ptk4/siof1_sync ptk1/scif0_txd ptk0/siof1_mck ptq4/siof0_sync ptf6/siomck ptf2/siod ptd5/sdhid3 ptd1/sdhicmd ptr3/ls6b/ce1b/lcdcs2 pth6/lcdvsyn2/dack0 vdd_pll vss_pll vss av12 vss ptz1/keyin0/irq6 ptj0...

  • Page 24

    Psr-s750/psr-s950 24 pin no. I/o outer no. Name function pin no. I/o outer no. Name function vccq ptm7/lcdd7 ptm5/lcdd5 ptm4/lcdd4 ptm3/lcdd3 pty1/keyout1 pty5/keyout5/keyin5 pty3/keyout3 pty2/keyout2 pty0/keyout0 vccq ptl5/lcdd13 ptm1/lcdd1 ptm2/lcdd2 ptm0/lcdd0 ptt3 ptt2 ptt1/dreq0 ptt0 pty4/keyou...

  • Page 25

    25 psr-s750/psr-s950 pin no. I/o outer no. Name function pin no. I/o outer no. Name function hpdqm0 hpdqm1 hpdqm3 hpd23 ptx6/cs6a/ce2b d15 d7 d14 vss vss hpa7 hpa15 hpa16 hpdqm2 d6 d13 d5 d12 vss vss hpa2 hpa12 hpa13 hpa14 d4 d11 d10 d2 vss vss vss vccq vccq vccq vccq vss vss vss vccq vccq vccq vccq...

  • Page 26

    Psr-s750/psr-s950 26 $ 966 *urxqgiru,2dqgirufruh $ 966$'& $'&dqdorjjurxqg $ 9&&$'& $'&dqdorjsrzhuvxsso\7\s9 $ $1 ,d $'&dqdorjlqsxw $ 95()$'& $qdorjprgxohuhihuhqfhyrowdjh7\s9 $ 6&. ,vk2 ([whuqdov\qfkurqrxvforfn,2 $ 8&/. , 86%h[whuqdoforfnlqsxw0+] $ 966 *urxqgiru,2dqgirufruh $ )81&b'0 ,2d 86%ixqfwlrqg...

  • Page 27

    27 psr-s750/psr-s950 0 0$1)' 2,2 :dyh5206'5$0dgguhvvexv:dyh1$1'iodvkgdwdexv 0 0$1)' 2,2 :dyh5206'5$0dgguhvvexv:dyh1$1'iodvkgdwdexv 0 0$ 2 :dyh5206'5$0dgguhvvexv 0 0$ 2 :dyh5206'5$0dgguhvvexv 0 0$ 2 :dyh5206'5$0dgguhvvexv 0 966 *urxqgiru,2dqgirufruh 0 966 *urxqgiru,2dqgirufruh 0 966 *urxqgiru,2dqgiru...

  • Page 28

    Psr-s750/psr-s950 28 1 a1 gnd - - 2 b1 vdd33 - - 3 c1 xi i oscillator with en (3.3v) 12.288mhz 4 d1 xo o oscillator with en (3.3v) 12.288mhz 5 e1 wclko o output buffer (3.3v) 6ma 6 f1 sysclk o output buffer (3.3v) 6ma 7 g1 txdo o output buffer (3.3v) 3ma 8 h1 irqn_in i input buffer (3.3v) schmitt 9 ...

  • Page 29

    29 psr-s750/psr-s950 ( %&/. 2 2xwsxw%xiihu9p$ ) ',72 2 2xwsxw%xiihu9p$ * 7;' 2 2xwsxw%xiihu9p$ + 5;' , ,qsxw%xiihu9 - 3( 2 2xwsxw%xiihu9p$ . 6&$16: 2 2xwsxw%xiihu9p$ / 7'2 2 vwdwh2xwsxw%xiihu9p$ 0 $13257 , elw0+]fk0xowlsoh[$'&rqyhuwhu 1 $95()3 elw0+]fk0xowlsoh[$'&rqyhuwhu 3 $95()0 elw0+]fk0xowlsoh[$...

  • Page 30

    Psr-s750/psr-s950 30 t6tj3xbg-0001 (x8940a00) swp51l (tone generator) pin no. I/o function name outer no. Pin no. I/o function name outer 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...

  • Page 31

    31 psr-s750/psr-s950 pin no. I/o function name outer no. Pin no. I/o function name outer no. 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246...

  • Page 32

    Psr-s750/psr-s950 32 pin no. I/o function name pin no. I/o function name μpd720150gk-9eu-a (yd546a00) usb controller dm: ic406 (psr-s950) - i i i i 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 - i i i o o i - o i - i/o i/o i/o i/o i/o i/o i i - xt1 xt2 v ss testen trst...

  • Page 33

    33 psr-s750/psr-s950 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 p50/a8 p51/a9 p52/a10 p53/a11 p54/a12 p55/a13 p56/a14 p57/a15 vss0 v dd 0 p30 p31 p32/sda0 p33/scl0 p34 p35 p36 p20/si30 p21/so30 p22/sck30 ...

  • Page 34

    Psr-s750/psr-s950 34 pin no. I/o function name pin no. I/o function name bh7236af-e2 (xs062a00) rgb encoder dm: ic411 (psr-s950) - o o o - o o i - o i - n.C. N.C. Cout yout ytrap n.C. Vcc2 vout bout gout rout gnd2 gnd1 rin gin bin n.C. Scin nt/pal bfpout n.C. Syncin syncout vcc1 ground terminal exce...

  • Page 35

    35 psr-s750/psr-s950 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...

  • Page 36

    Psr-s750/psr-s950 36 pin no. I/o function name pin no. I/o function name 1 2 3 4 5 6 7 8 ainr ainl cks1 vcom agnd va vd dgnd i i i o - - - - rch analog input pin lch analog input pin mode select 1 pin common voltage output pin analog ground analog power supply +5 v digital power supply +3.3 v digita...

  • Page 37

    37 psr-s750/psr-s950 pin no. I/o function name isl85033irtz-t (yd766a00) dc-dc converter dm: ic902 (psr-s950) o i o - i o i i o o i - - i o - comp1, comp2 fb1, fb2 ss1, ss2 pgnd1, pgnd2 boot1, boot2 phase1, phase2 vin1, vin2 en1, en2 vcc syncout syncin sgnd nc fs pgood1, pgood2 pd comp1/comp2 is the...

  • Page 38

    Psr-s750/psr-s950 38 pin no. I/o function name pin no. I/o function name bd6590muv-e2 (yd867a00) dc-dc converter dm: ic904 (psr-s950) o o - - o i i i i i - - led1 led2 led3 led4 led5 led6 n.C. Gnd pwmdrv vbat pwmpow vbat sw sw n.C. Pgnd failflag ocpset vdet test rstb iset gnd n.C. Switching tr drive...

  • Page 39: Circuit Boards

    39 psr-s750/psr-s950 circuit boards ajack circuit board (yd887d0) ........................................................ 44/45 dm circuit board (yd855c0) (psr-s750) .......................................... 40/41 dm circuit board (yd846c0) (psr-s950) .......................................... 42/...

  • Page 40

    Psr-s750/psr-s950 40 wr$-$&.&1 wr$-$&.&1 qrwlqvwdoohg wr$-$&.&1 wr $-$&.&1 wr/&' wr/&' qrwlqvwdoohg wr310&1 wr(0.6$&1 2na-wz35370 1 dm circuit board (psr-s750) component side.

  • Page 41

    41 psr-s750/psr-s950 pattern side 2na-wz35370 1 dm circuit board (psr-s750).

  • Page 42

    Psr-s750/psr-s950 42 component side dm circuit board (psr-s950) wr$-$&.&1 wr$-$&.&1 wr63/fk:r7z wr635fk:r7z wr $-$&.&1 wr $-$&.&1 wr/&' wr/&' qrwlqvwdoohg wr310&1 wr(0.6$&1 scale: 90/100 2na-wz49340 1.

  • Page 43

    43 psr-s750/psr-s950 pattern side scale: 90/100 dm circuit board (psr-s950) 2na-wz49340 1.

  • Page 44

    Psr-s750/psr-s950 44 component side ajack circuit board wr'0&13656 wr'0&13656 wr'0&13656rqo\ wr63 5fk: r 7 z3656rqo\ wr'0&13656 wr'0&13656 wr310&1 wr+3&1 wr'0&13656 wr'0&13656 wr'0&13656rqo\ wr63/fk:r7z3656rqo\ scale: 90/100 2na-wz43510 2.

  • Page 45

    45 psr-s750/psr-s950 scale: 90/100 pattern side ajack circuit board 2na-wz43510 2.

  • Page 46

    Psr-s750/psr-s950 46 pnm circuit board scale: 70/100 wr316&1 wr'0&13656 wr'0&13656 wr$-$&.&1 wr31/&1 qrwlqvwdoohg component side 2na-wz50830 1.

  • Page 47

    47 psr-s750/psr-s950 pnm circuit board pattern side scale: 70/100 2na-wz50830 1.

  • Page 48

    Psr-s750/psr-s950 48 pns circuit board component side wr315&1 wr31&&1 wr310&1 2na-wz50830 1.

  • Page 49

    49 psr-s750/psr-s950 pattern side pns circuit board 2na-wz50830 1.

  • Page 50

    Psr-s750/psr-s950 50 component side pattern side pnc circuit board wr316&1 scale: 75/100 2na-wz55980

  • Page 51

    51 psr-s750/psr-s950 pnl circuit board component side scale: 75/100 pattern side 2na-wz55980 wr310&1 wr3%&1 wr02'&1 qrwlqvwdoohg.

  • Page 52

    Psr-s750/psr-s950 52 pattern side pnr circuit board wr316&1 component side scale: 90/100 2na-wz55980

  • Page 53

    53 psr-s750/psr-s950 wr$-$&.&1 hp circuit board component side pattern side wr31/&1 wr31/&1 mod circuit board component side pattern side pb circuit board component side pattern side 2na-wz43510 2.

  • Page 54

    Psr-s750/psr-s950 54 i’ i wr0.+ wr0.+ wr'0&13656 wr'0&13656 i’ i j’ j j’ j mk-l circuit board emks61a: 2na-wf31010 mk-l: 2na-vv58380 component side emks61a circuit board component side scale: 90/100

  • Page 55

    55 psr-s750/psr-s950 k’ k k’ k l’ l l’ l wr0./ wr(0.6$&1 mk-h circuit board component side emks61a: 2na-wf31010 mk-h: 2na-vv58390 emks61a circuit board pattern side scale: 90/100

  • Page 56: Psr-S750 Test Program

    Psr-s750/psr-s950 56 psr-s750 test program 1 measurement conditions 1-1: measuring instruments · level meter (with a jis-c fi lter). · frequency counter, which can detect thousandth value or more · oscilloscope * input impedance of the measuring instrument should be 1 m Ω or more. * connect a load r...

  • Page 57

    57 psr-s750/psr-s950 test no. Lcd display test descriptions, judging conditions, etc. 1 001 : version checking the version of the rom. Change the page with tab [ 2 ] [ 3 ] switches. [page 1] psr-s750 (e) main prog rom : * . ** main data rom : * . ** wave 1 rom : * . ** [page 2] main boot : * . ** ma...

  • Page 58

    Psr-s750/psr-s950 58 test no. Lcd display test descriptions, judging conditions, etc. 9 009 : output r check checking the r channel output. Set the [master volume] control to the maximum position in advance of testing. * it is not possible to operate the volume control while testing. Connect a level...

  • Page 59

    59 psr-s750/psr-s950 test no. Lcd display test descriptions, judging conditions, etc. 17 017 : siof check checking siof. Have the sound produced from 2 siof signal lines (line-a, line-b) using the [tab 2 3 ] button to check for correct connection. Line-a [tab 2 ]: a3 (441 hz) sound is produced from ...

  • Page 60

    Psr-s750/psr-s950 60 test no. Lcd display test descriptions, judging conditions, etc. 28 028 : pitch bend wheel check checking pitch bend. When the test is started, “ pitch bend up 128 ” is displayed. Set the [pitch bend] wheel to the maximum position and check that the g3 sound is pro- duced and “ ...

  • Page 61

    61 psr-s750/psr-s950 test no. Lcd display test descriptions, judging conditions, etc. 38 038 : backup rom check2 checking the backup rom connected to the cpu bus. (complete check) check that “backup rom check2 ok” is displayed on the lcd. It will take about 1 minute for the check. When the result is...

  • Page 62

    Psr-s750/psr-s950 62 turn sw name / display note number 1 select c2 2 score c#2 3 lyrics/text d2 4 guide d#2 5 repeat e2 6 extra tr f2 7 tr 2 f#2 8 tr 1 g2 9 rec g#2 10 stop a2 11 play/pause a#2 12 rew b2 13 ff c3 14 pop & rock c#3 15 swing & jazz d3 16 latin d#3 17 entertainer e3 18 ballad f3 19 r ...

  • Page 63: Psr-S950 Test Program

    63 psr-s750/psr-s950 psr-s950 test program 1 measurement conditions 1-1: measuring instruments · level meter (with a jis-c fi lter). · frequency counter, which can detect thousandth value or more · oscilloscope * input impedance of the measuring instrument should be 1 m Ω or more. * connect a load r...

  • Page 64

    Psr-s750/psr-s950 64 test no. Lcd display test descriptions, judging conditions, etc. 1 001 : version checking the version of the rom. Change the page with tab [ 2 ] [ 3 ] switches. [page 1] psr-s950 (e) main boot rom : * . ** main prog rom : * . ** ssp rom : * . ** wave1 rom : * . ** [page 2] main ...

  • Page 65

    65 psr-s750/psr-s950 test no. Lcd display test descriptions, judging conditions, etc. 9 009 : pitch check checking sound pitch. Pitch accuracy check: connect a frequency counter to the [phones] jack. (either l or r) when the test is executed, a sound is produced with 441 ±0.2 hz sine wave from the l...

  • Page 66

    Psr-s750/psr-s950 66 test no. Lcd display test descriptions, judging conditions, etc. 17 017 : siof check checking siof. Have the sound produced from 2 siof signal lines (line-a, line-b) using the [tab 2 3 ] button to check for correct connection. Line-a [tab 2 ]: a3 (441 hz) sound is produced from ...

  • Page 67

    67 psr-s750/psr-s950 test no. Lcd display test descriptions, judging conditions, etc. 27 027 : lcd backlight off check checking lcd backlight for on/off function. Switch the backlight on and off with the [tab 2 3 ] button. 28 028 : main volume check checking the main volume. When the [master volume]...

  • Page 68

    Psr-s750/psr-s950 68 test no. Lcd display test descriptions, judging conditions, etc. 37 037 : usb to device/host check checking usb device/host. Enter the test with the [start/stop] button and “connect device – host” will be shown on the lcd. Connect the usb cable to [usb to device] and [usb to hos...

  • Page 69

    69 psr-s750/psr-s950 ● other tests aux in check that the output is as shown in the following table when signals are input to the aux in. Input output output (10 k Ω load) phones (33 Ω load) l/l+r r l r aux in l: sine wave (1 khz, 0 dbu) r: no input +7.4 ± 2 dbu -50.0 dbu or less +1.8 ± 2 dbu -40.0 d...

  • Page 70

    Psr-s750/psr-s950 70 turn sw name / display note number 1 select c2 2 score c#2 3 lyrics/text d2 4 guide d#2 5 repeat e2 6 extra tr f2 7 tr 2 f#2 8 tr 1 g2 9 rec g#2 10 stop a2 11 play/pause a#2 12 rew b2 13 ff c3 14 pop & rock c#3 15 swing & jazz d3 16 latin d#3 17 entertainer e3 18 ballad f3 19 r ...

  • Page 71

    71 psr-s750/psr-s950 psr-s750 system booting flowchart a power on initializing swx08 port. Pswo = h swp_ic = h /addac-pdn = l midi_ic = h /mute = l /spoff = l /da-mute = l lcd_bl = h setting cpu registers. Initializing swx08 port. Pswo = h (cn503, 1) swp_ic = h (ic306, 1) /addac-pdn = l (ic510, 13) ...

  • Page 72

    Psr-s750/psr-s950 72 a no internal harware error! User drive repaired. Initializing backup data. Main routine improper power shut down! Backup data and/or userfiles have been lost. 2nd opening screen displayed. Owner name displayed. No yes is user drive partially damaged? Formatting user drive. Yes ...

  • Page 73

    73 psr-s750/psr-s950 if accessing sdram doesn’t start, sh7731 (ic1) may be faulty. If accessing program flash doesn’t start, sh7731 (ic1) may be faulty. A power on setting cpu registers. Initializing sh7731 port. Pswo = h (ic26, 4) /usb-res =l (ic13, 18) /swp-ic = l (ic13, 17) /rgb-res = l (ic13, 16...

  • Page 74

    Psr-s750/psr-s950 74 a user drive repaired. Error detect pulse output (ic18,1) main routine 2nd opening screen displayed. Improper power shut down! Backup data and/or userfiles have been lost. Owner name displayed. No yes is user drive partially damaged? Formatting user drive. Yes no has user drive ...

  • Page 75

    75 psr-s750/psr-s950 psr-s750 dm circuit board check method the dm circuit board is provided with test points for service check purposes. Check the test points on the dm circuit board if the following symptoms appear. Symptoms and check items q no lcd display with power sw on --> check items 1 to 8 ...

  • Page 76

    Psr-s750/psr-s950 76 psr-s950 dm circuit board check method the dm circuit board is provided with test points for service check purposes. Check the test points on the dm circuit board if the following symptoms appear. Symptoms and check items q no lcd display with power sw on --> check items 1 to 4 ...

  • Page 77: Data Backup

    77 psr-s750/psr-s950 data backup this procedure backs up all data saved in user drive (except protected songs and expansion voices/styles) and all settings of the instrument to a usb fl ash memory. Yamaha recommends that you back up important data to a usb fl ash memory since the data in the instrum...

  • Page 78: System Reset

    Psr-s750/psr-s950 78 system reset there are two reset methods in the system reset display: factory reset and custom reset. Factory reset (see below) (see page 75) custom reset • factory reset—restoring the factory programmed settings this function lets you restore the status of the instrument to the...

  • Page 79

    79 psr-s750/psr-s950 • custom reset—saving and recalling your original settings as a single file for the items below, you can save your original settings as a single file for future recall. 1 make all desired settings on the instrument. 2 call up the operation display. [function] → [i] utility → tab...

  • Page 80: Parts List

    Parts list contents overall assembly ..................................................... 2 keyboard assembly .................................................. 5 upper case assembly .............................................. 6 center panel assembly .......................................... 8 ...

  • Page 81: Overall Assembly

    Psr-s750/psr-s950 2 overall assembly 440 440 120 260 510 510 660 440 440 440 440 430 420 400 400 400 450 410 420 80 550 250 240 220 250 240 220 280 230 200 220 230 210 670 200 500 270 230 200 100 270 500 510 430 110 psr-s950 0nly psr-s950 0nly psr-s950 0nly 500 430 430 430 510 430 430 650 650 430 30...

  • Page 82

    Psr-s750/psr-s950 3 230 220 270 240 250 260 s4opview s"ottomview lower case assembly upper case assembly dm hp ajack dm ajack * this figure shows the psr-s950. *1 *1: this figure shows the psr-s750. 250 280 220 230 210 200 240 210 200

  • Page 83

    4 psr-s750/psr-s950 overall assembly 総 組 立 psr-s750/psr-s950 -- overall assembly 総 組 立 psr-s750 (wz70200) -- overall assembly 総 組 立 psr-s950 (wz70190) 10 -- upper case assembly 上 ケ − ス A s s ’ y psr-s750 (wz89820) 10 -- upper case assembly 上 ケ − ス A s s ’ y psr-s950 (wz89810) 20 -- lower case assemb...

  • Page 84: Keyboard Assembly

    Psr-s750/psr-s950 5 keyboard assembly keyboard assembly 1 6 M 鍵 盤 E M K S A psr-s750/psr-s950 wb91420r keyboard assembly 16m c61-2m-ebus 1 6 M 鍵 盤 E M K S A 18 30 wf266600 bind head tapping screw-p 3.0x8 mfzn2b3 P タ イ ト + B I N D 2 01 50 -- frame c61 16m フ レ ー ム (vs15380) 50 vu32860r frame c61 16m フ...

  • Page 85: Upper Case Assembly

    Psr-s750/psr-s950 6 upper case assembly 20 10 300 430 440 480 500 500 320 310 340 100 110 120 130 140 150 400 410 420 470 500 500 500 450 460 330 160 170 180 340 510 510 320 center panel assembly : see page 8. Upper case wheel assembly 10b 10b 10a 300a 300b * this figure shows the psr-s950..

  • Page 86

    Psr-s750/psr-s950 7 upper case assembly 上 ケ − ス A s s ’ y psr-s750/psr-s950 -- upper case assembly 上 ケ − ス A s s ’ y psr-s750 (wz89820) -- upper case assembly 上 ケ − ス A s s ’ y psr-s950 (wz89810) * 10 wz898500 upper case sub assembly 上 ケ − ス サ ブ A s s ’ y psr-s750 * 10 wz898400 upper case sub assemb...

  • Page 87: Center Panel Assembly

    Psr-s750/psr-s950 8 center panel assembly 10 20 80 20 psr-s950 psr-s950 only psr-s950 only psr-s750 center panel sub assembly lcd assembly lcd assembly * this figure shows the psr-s950. 10c 10b l10 l10 l60 l60 l70 l40 l40 l50 l100 l120 l80 l60a l60a l60a l60a l120 l110 l20 l30 10e 10e 10a 10d 70 60 ...

  • Page 88

    9 psr-s750/psr-s950 center panel assembly C パ ネ ル A s s ’ y psr-s750/psr-s950 -- center panel assembly C パ ネ ル A s s ’ y psr-s750 (wz89900) -- center panel assembly C パ ネ ル A s s ’ y psr-s950 (wz89890) * 10 wz899200 center panel sub assembly C パ ネ ル サ ブ A s s ’ y psr-s750 * 10 wz899100 center panel ...

  • Page 89: Lower Case Assembly

    Psr-s750/psr-s950 10 lower case assembly 10 20 20 20 30 30 100 300 300 300 300 300 30 110 200 200 250 250 210 210 210 210 lower case sub assembly l10 l40 l40 l40 l50 l90 l90 l60 l60 l60 l70 l70 l80 l80 l60 l60 l50 l30 l30 l20 psr-s750 psr-s750 psr-s750 only * this figure shows the psr-s950..

  • Page 90

    11 psr-s750/psr-s950 lower case assembly 下 ケ − ス A s s ’ y psr-s750/psr-s950 -- lower case assembly 下 ケ − ス A s s ’ y psr-s750 (wz89870) -- lower case assembly 下 ケ − ス A s s ’ y psr-s950 (wz89860) * 10 wz899400 lower case sub assembly 下 ケ − ス サ ブ A s s ’ y * 20 ye178a00 speaker 13.0cm 4ohm 20w ス ピ ー...

  • Page 91: Electrical Parts

    12 psr-s750 electrical parts (psr-s750) electrical parts 電 気 部 品 psr-s750 * wz435600 circuit board ajack A J A C K シ ー ト (wz43520)(yd887b0) * wz435400 circuit board hp H P シ ー ト (wz43520)(yd887b0) * wz559600 circuit board mod M O D シ ー ト (wz43520)(yd887b0) * wz559500 circuit board pb P B シ ー ト (wz43...

  • Page 92

    13 psr-s750 c70 us062100 ceramic capacitor (chip) 100p 50v j rect. チ ッ プ セ ラ( S L ) 01 c71 us062470 ceramic capacitor (chip) 470p 50v j rect. チ ッ プ セ ラ( S L ) 01 c72 us062100 ceramic capacitor (chip) 100p 50v j rect. チ ッ プ セ ラ( S L ) 01 c73 us062470 ceramic capacitor (chip) 470p 50v j rect. チ ッ プ セ ...

  • Page 93

    14 psr-s750 r74 rd355221 carbon resistor (chip) 220.0 63m j rect. チ ッ プ 抵 抗 01 r75 rd358100 carbon resistor (chip) 100.0k 63m j rect. チ ッ プ 抵 抗 01 r76 rd357100 carbon resistor (chip) 10.0k 63m j rect. チ ッ プ 抵 抗 01 r77 rd357100 carbon resistor (chip) 10.0k 63m j rect. チ ッ プ 抵 抗 01 r78 rd355560 carbon...

  • Page 94

    15 psr-s750 * wz353700 circuit board dm D M シ ー ト (yd855c0) cn307 wk450700 connector usb ykf45-0033n 4p se U S B コ ネ ク タ to device 01 cn307 wh382500 connector usb uar27-4k2j00 U S B コ ネ ク タ 01 cn308 v 6 8 0 2 6 0 0 connector usb 4p se U S B ジ ャ ッ ク to host 02 cn500 v l 8 4 5 0 0 0 connector xh 6p te...

  • Page 95

    16 psr-s750 c626 us662390 ceramic capacitor (chip) 390p 50v k rect. チ ッ プ セ ラ( B ) -629 us662390 ceramic capacitor (chip) 390p 50v k rect. チ ッ プ セ ラ( B ) c630 us663100 ceramic capacitor (chip) 1000p 50v k rect. チ ッ プ セ ラ( B ) 01 c631 us663100 ceramic capacitor (chip) 1000p 50v k rect. チ ッ プ セ ラ( B )...

  • Page 96

    17 psr-s750 r539 rd45000r carbon resistor (chip) 0.00 63m j rect. チ ッ プ 抵 抗 01 r543 rd457150 carbon resistor (chip) 15.0k 63m j rect. チ ッ プ 抵 抗 01 r548 rd456470 carbon resistor (chip) 4.7k 63m j rect. チ ッ プ 抵 抗 01 r549 rd456470 carbon resistor (chip) 4.7k 63m j rect. チ ッ プ 抵 抗 01 r552 rd456470 carbo...

  • Page 97

    18 psr-s750 -140 us625100 ceramic capacitor (chip) 0.100 10v k rect. チ ッ プ セ ラ( B J ) 01 c141 us662100 ceramic capacitor (chip) 100p 50v j rect. チ ッ プ セ ラ( C H ) -148 us662100 ceramic capacitor (chip) 100p 50v j rect. チ ッ プ セ ラ( C H ) c149 us625100 ceramic capacitor (chip) 0.100 10v k rect. チ ッ プ セ ...

  • Page 98

    19 psr-s750 c548 wg888300 monolithic ceramic cap(chip) 10.0 6.3v k tp チ ッ プ 積 層 セ ラ コ ン 01 c549 us625100 ceramic capacitor (chip) 0.100 10v k rect. チ ッ プ セ ラ( B J ) 01 c550 uf037100 electrolytic capacitor(chip) 10 16v チ ッ プ ケ ミ コ ン 01 c551 us625100 ceramic capacitor (chip) 0.100 10v k rect. チ ッ プ セ ...

  • Page 99

    20 psr-s750 * ic7 yd933a00 ic rp131h151d-t1-fe I C regulator +1.5v ic8 x8382a00 ic tc7wh08fk(te85l,f) I C and 01 * ic8 ye509a00 ic hd74lv2g08ause I C ic9 x3693a01 ic sn74lv245apwr I C transceiver 05 ic14 x5422a00 ic s1d13700f01a100 I C lcdc 08 ic15 x3693a01 ic sn74lv245apwr I C transceiver 05 -19 x3...

  • Page 100

    21 psr-s750 r110 rd454680 carbon resistor (chip) 68.0 63m j rect. チ ッ プ 抵 抗 01 r114 rd454680 carbon resistor (chip) 68.0 63m j rect. チ ッ プ 抵 抗 01 r127 rd454680 carbon resistor (chip) 68.0 63m j rect. チ ッ プ 抵 抗 01 r300 rd454680 carbon resistor (chip) 68.0 63m j rect. チ ッ プ 抵 抗 01 r302 rd454680 carbon...

  • Page 101

    22 psr-s750 r509 rd454680 carbon resistor (chip) 68.0 63m j rect. チ ッ プ 抵 抗 01 r510 rd458100 carbon resistor (chip) 100.0k 63m j rect. チ ッ プ 抵 抗 01 r512 rd458100 carbon resistor (chip) 100.0k 63m j rect. チ ッ プ 抵 抗 01 r513 rd457270 carbon resistor (chip) 27.0k 63m j rect. チ ッ プ 抵 抗 01 r514 rd457390 c...

  • Page 102

    23 psr-s750 ld2 wj491600 led (chip) amber/y.Green bl-hjfge36j-trb チ ッ プ 2 色 L E D intro i 01 ld3 wj491700 led (chip) amber bl-hjf36j-trb チ ッ プ L E D fade in/out 01 ld4 wj491600 led (chip) amber/y.Green bl-hjfge36j-trb チ ッ プ 2 色 L E D intro ii 01 ld5 wj491700 led (chip) amber bl-hjf36j-trb チ ッ プ L E ...

  • Page 103

    24 psr-s750 ld22 wj491700 led (chip) amber bl-hjf36j-trb チ ッ プ L E D left hold (part on/off) 01 ld23 wj491700 led (chip) amber bl-hjf36j-trb チ ッ プ L E D left (part on/off) 01 ld24 wj491700 led (chip) amber bl-hjf36j-trb チ ッ プ L E D harmony/echo (voice control) 01 ld25 wj491700 led (chip) amber bl-hj...

  • Page 104

    25 psr-s750 cn8 wc195200 connector ffc/fpc 52808 14p te F F C / F P C コ ネ ク タ 01 d1 wg139300 diode kds4148u-rtk/p te ダ イ オ ー ド -10 wg139300 diode kds4148u-rtk/p te ダ イ オ ー ド d30 wg139300 diode kds4148u-rtk/p te ダ イ オ ー ド -41 wg139300 diode kds4148u-rtk/p te ダ イ オ ー ド d43 wg139300 diode kds4148u-rtk/...

  • Page 105

    26 psr-s750 r70 rd350001 carbon resistor (chip) 0 63m j rect. チ ッ プ 抵 抗 01 r71 rd358470 carbon resistor (chip) 470.0k 63m j rect. チ ッ プ 抵 抗 01 -76 rd358470 carbon resistor (chip) 470.0k 63m j rect. チ ッ プ 抵 抗 01 r77 rd350001 carbon resistor (chip) 0 63m j rect. チ ッ プ 抵 抗 01 ra1 wh213400 resistor arra...

  • Page 106: Electrical Parts

    27 psr-s950 electrical parts (psr-s950) electrical parts 電 気 部 品 psr-s950 * wz435500 circuit board ajack A J A C K シ ー ト (wz43510)(yd887d0) * wz435300 circuit board hp H P シ ー ト (wz43510)(yd887d0) * wz559400 circuit board mod M O D シ ー ト (wz43510)(yd887d0) * wz559300 circuit board pb P B シ ー ト (wz43...

  • Page 107

    28 psr-s950 c32 us065100 ceramic capacitor (chip) 0.100 50v z rect. チ ッ プ セ ラ F 01 c34 us065100 ceramic capacitor (chip) 0.100 50v z rect. チ ッ プ セ ラ F 01 c38 us065100 ceramic capacitor (chip) 0.100 50v z rect. チ ッ プ セ ラ F 01 c40 us063100 ceramic capacitor (chip) 1000p 50v k rect. チ ッ プ セ ラ( B ) 01 c...

  • Page 108

    29 psr-s950 r32 rd356470 carbon resistor (chip) 4.7k 63m j rect. チ ッ プ 抵 抗 01 r34 rd355100 carbon resistor (chip) 100.0 63m j rect. チ ッ プ 抵 抗 01 r35 rd355100 carbon resistor (chip) 100.0 63m j rect. チ ッ プ 抵 抗 01 r37 rd35627r carbon resistor (chip) 2.7k 63m j rect. チ ッ プ 抵 抗 01 r38 rd357150 carbon re...

  • Page 109

    30 psr-s950 c93 un848220 electrolytic capacitor bp 220.00 25.0v rx tp B P ケ ミ コ ン 01 c94 un848220 electrolytic capacitor bp 220.00 25.0v rx tp B P ケ ミ コ ン 01 c95 un867100 electrolytic capacitor bp 10.00 50.0v rx tp B P ケ ミ コ ン 01 c96 un867100 electrolytic capacitor bp 10.00 50.0v rx tp B P ケ ミ コ ン 0...

  • Page 110

    31 psr-s950 c46 wg888300 monolithic ceramic cap(chip) 10.0 6.3v k tp チ ッ プ 積 層 セ ラ コ ン 01 c47 us625100 ceramic capacitor (chip) 0.100 10v k rect. チ ッ プ セ ラ( B J ) 01 c85 us625100 ceramic capacitor (chip) 0.100 10v k rect. チ ッ プ セ ラ( B J ) 01 -93 us625100 ceramic capacitor (chip) 0.100 10v k rect. チ ...

  • Page 111

    32 psr-s950 c528 us625100 ceramic capacitor (chip) 0.100 10v k rect. チ ッ プ セ ラ( B J ) 01 c604 us662100 ceramic capacitor (chip) 100p 50v j rect. チ ッ プ セ ラ( C H ) c606 us662100 ceramic capacitor (chip) 100p 50v j rect. チ ッ プ セ ラ( C H ) c617 us625100 ceramic capacitor (chip) 0.100 10v k rect. チ ッ プ セ ...

  • Page 112

    33 psr-s950 r31 rd454330 carbon resistor (chip) 33.0 63m j rect. チ ッ プ 抵 抗 01 r33 rd456100 carbon resistor (chip) 1.0k 63m j rect. チ ッ プ 抵 抗 01 r34 rd457100 carbon resistor (chip) 10.0k 63m j rect. チ ッ プ 抵 抗 01 r36 rd454680 carbon resistor (chip) 68.0 63m j rect. チ ッ プ 抵 抗 01 r38 rd454680 carbon res...

  • Page 113

    34 psr-s950 -444 rd45000r carbon resistor (chip) 0.00 63m j rect. チ ッ プ 抵 抗 01 r446 rd45000r carbon resistor (chip) 0.00 63m j rect. チ ッ プ 抵 抗 01 -449 rd45000r carbon resistor (chip) 0.00 63m j rect. チ ッ プ 抵 抗 01 r453 rd45747r carbon resistor (chip) 47.0k 63m j rect. チ ッ プ 抵 抗 01 r460 rd454680 carbo...

  • Page 114

    35 psr-s950 ra237 wh205600 resistor array 27 x 4 抵 抗 ア レ イ ra429 wh211800 resistor array 10k x 4 抵 抗 ア レ イ 01 -432 wh211800 resistor array 10k x 4 抵 抗 ア レ イ 01 ra611 wh206600 resistor array 68 x 4 抵 抗 ア レ イ 01 -614 wh206600 resistor array 68 x 4 抵 抗 ア レ イ 01 ra624 wh211800 resistor array 10k x 4 抵 抗...

  • Page 115

    36 psr-s950 -353 us625100 ceramic capacitor (chip) 0.100 10v k rect. チ ッ プ セ ラ( B J ) 01 c413 us661330 ceramic capacitor (chip) 33p 50v j rect. チ ッ プ セ ラ( C H ) -417 us661330 ceramic capacitor (chip) 33p 50v j rect. チ ッ プ セ ラ( C H ) c421 us661330 ceramic capacitor (chip) 33p 50v j rect. チ ッ プ セ ラ( C...

  • Page 116

    37 psr-s950 c801 us625100 ceramic capacitor (chip) 0.100 10v k rect. チ ッ プ セ ラ( B J ) 01 c816 wg888300 monolithic ceramic cap(chip) 10.0 6.3v k tp チ ッ プ 積 層 セ ラ コ ン 01 c817 us625100 ceramic capacitor (chip) 0.100 10v k rect. チ ッ プ セ ラ( B J ) 01 c819 us625100 ceramic capacitor (chip) 0.100 10v k rect...

  • Page 117

    38 psr-s950 c922 v 8 0 8 5 4 0 0 ceramic capacitor (chip) 0.1000 25v k rect. チ ッ プ セ ラ ( B ) 01 c923 v 8 0 8 5 4 0 0 ceramic capacitor (chip) 0.1000 25v k rect. チ ッ プ セ ラ ( B ) 01 c925 v 8 0 8 5 4 0 0 ceramic capacitor (chip) 0.1000 25v k rect. チ ッ プ セ ラ ( B ) 01 c926 v 8 0 8 5 4 0 0 ceramic capacit...

  • Page 118

    39 psr-s950 -13 x3693a01 ic sn74lv245apwr I C transceiver 05 ic15 xy806a0r ic tc7wh14fu(te12l,f) I C inverter 02 ic21 x5825a00 ic sn74lvc1g32dckr I C or gate 01 ic22 vr90370r photo coupler hcpl-m600-500e フ ォ ト カ プ ラ 04 ic24 yc019a00 ic s-80944cnnb-g9et2g I C sysytem reset 01 ic27 x7701a00 ic bu4229g...

  • Page 119

    40 psr-s950 r78 rd454680 carbon resistor (chip) 68.0 63m j rect. チ ッ プ 抵 抗 01 r81 rd454680 carbon resistor (chip) 68.0 63m j rect. チ ッ プ 抵 抗 01 r83 rd457100 carbon resistor (chip) 10.0k 63m j rect. チ ッ プ 抵 抗 01 r87 rd454680 carbon resistor (chip) 68.0 63m j rect. チ ッ プ 抵 抗 01 r92 rd454680 carbon res...

  • Page 120

    41 psr-s950 r483 rd45547r carbon resistor (chip) 470.0 63m j rect. チ ッ プ 抵 抗 01 r485 rd45427r carbon resistor (chip) 27.0 63m j rect. チ ッ プ 抵 抗 01 r486 rd45427r carbon resistor (chip) 27.0 63m j rect. チ ッ プ 抵 抗 01 r487 rd454330 carbon resistor (chip) 33.0 63m j rect. チ ッ プ 抵 抗 01 r488 ra156680 metal...

  • Page 121

    42 psr-s950 -681 rd454680 carbon resistor (chip) 68.0 63m j rect. チ ッ プ 抵 抗 01 r684 rd454680 carbon resistor (chip) 68.0 63m j rect. チ ッ プ 抵 抗 01 r685 rd454680 carbon resistor (chip) 68.0 63m j rect. チ ッ プ 抵 抗 01 r686 rd455100 carbon resistor (chip) 100.0 63m j rect. チ ッ プ 抵 抗 01 r687 rd454680 carbo...

  • Page 122

    43 psr-s950 r919 rd455100 carbon resistor (chip) 100.0 63m j rect. チ ッ プ 抵 抗 01 r920 rd455100 carbon resistor (chip) 100.0 63m j rect. チ ッ プ 抵 抗 01 r922 rd458100 carbon resistor (chip) 100.0k 63m j rect. チ ッ プ 抵 抗 01 r923 ra157100 metal film resistor (chip) 10.0k 63m d rect. チ ッ プ 金 被 抵 抗 01 r925 ra...

  • Page 123

    44 psr-s950 -428 wh205600 resistor array 27 x 4 抵 抗 ア レ イ ra601 wh206600 resistor array 68 x 4 抵 抗 ア レ イ 01 -610 wh206600 resistor array 68 x 4 抵 抗 ア レ イ 01 ra615 wh206600 resistor array 68 x 4 抵 抗 ア レ イ 01 -618 wh206600 resistor array 68 x 4 抵 抗 ア レ イ 01 ra620 wh205400 resistor array 22 x 4 抵 抗 ア レ...

  • Page 124

    45 psr-s950 cn11 wc195200 connector ffc/fpc 52808 14p te F F C / F P C コ ネ ク タ 01 d1 wg139300 diode kds4148u-rtk/p te ダ イ オ ー ド -30 wg139300 diode kds4148u-rtk/p te ダ イ オ ー ド d131 wg139300 diode kds4148u-rtk/p te ダ イ オ ー ド -142 wg139300 diode kds4148u-rtk/p te ダ イ オ ー ド * wz560100 circuit board pnm ...

  • Page 125

    46 psr-s950 c31 us14510r ceramic capacitor (chip) 0.1000 25v z rect. チ ッ プ セ ラ( F ) 01 c32 us063100 ceramic capacitor (chip) 1000p 50v k rect. チ ッ プ セ ラ( B ) 01 c33 us063100 ceramic capacitor (chip) 1000p 50v k rect. チ ッ プ セ ラ( B ) 01 c34 us14510r ceramic capacitor (chip) 0.1000 25v z rect. チ ッ プ セ ...

  • Page 126

    47 psr-s950 -41 rd356100 carbon resistor (chip) 1.0k 63m j rect. チ ッ プ 抵 抗 01 r42 rd354470 carbon resistor (chip) 47.0 63m j rect. チ ッ プ 抵 抗 01 r43 rd357100 carbon resistor (chip) 10.0k 63m j rect. チ ッ プ 抵 抗 01 r46 rd354470 carbon resistor (chip) 47.0 63m j rect. チ ッ プ 抵 抗 01 r47 rd357100 carbon res...

  • Page 127

    48 psr-s950 * ye177a00 speaker 13.0cm 4ohm 35w ス ピ ー カ woofer 2 * ye179a00 speaker 2.5cm 4ohm 20w ス ピ ー カ tweeter 2 * wz590800 crystal display com57t5m52gsc 液 晶 デ ィ ス プ レ イ ref no. Part no. Description 部 品 名 remarks qty rank * : new parts rank: japan only.

  • Page 128: Psr-S750 Block Diagram

    Psr-s750/psr-s950 h g f e d c b a 1 2 3 4 5 6 pnl pnc cn301 (4p) cn300 (3p) mod pb vr300 pitch bend vr301 modulation sw & led matrix cn3 (7p) cn1 (29p) cn3 (29p) sw & led matrix cn4 (16p) cn7 (29p) cn4 (29p) pnm sw & led matrix cn2 (8p) cn1 (9p) master volume e-pns3a ic1 (80p) vr2 internal oscillato...

  • Page 129: Psr-S950 Block Diagram

    Psr-s750/psr-s950 h g f e d c b a 1 2 3 4 5 6 ■ psr-s950 block diagram ■ psr-s950 block diagram mic_in 12a +12a th1 pnl pnc pnr pns cn301 (4p) cn300 (3p) mod pb vr300 pitch bend vr301 modulation sw & led matrix cn3 (7p) cn1 (29p) cn3 (29p) sw & led matrix cn4 (16p) cn7 (29p) cn4 (29p) cn6 (16p) cn8 ...

  • Page 130

    17 16 10 11 12 13 14 15 9 8 7 6 5 4 3 2 1 17 8 9 10 11 12 13 14 15 16 7 6 5 4 3 2 1 i h g f e d c b q p o n m l w x v u t s r k j a i h g f e d c b q p o n m l w x v u t s r k j a psr-s750 psr-s750 psr-s750 psr-s750 dm 001 circuit diagram (1/11) to lcd to lcd not installed 28cc1-2001092498-1 2 note ...

  • Page 131

    17 16 10 11 12 13 14 15 9 8 7 6 5 4 3 2 1 17 8 9 10 11 12 13 14 15 16 7 6 5 4 3 2 1 i h g f e d c b q p o n m l w x v u t s r k j a i h g f e d c b q p o n m l w x v u t s r k j a psr-s750 psr-s750 psr-s750 psr-s750 dm 002 circuit diagram (2/11) to pnm-cn1 to emks61a-cn1 not installed not installed ...

  • Page 132

    17 16 10 11 12 13 14 15 9 8 7 6 5 4 3 2 1 17 8 9 10 11 12 13 14 15 16 7 6 5 4 3 2 1 i h g f e d c b q p o n m l w x v u t s r k j a i h g f e d c b q p o n m l w x v u t s r k j a psr-s750 psr-s750 psr-s750 psr-s750 dm 003 circuit diagram (3/11) to ajack-cn2 to ajack-cn6 not installed to ajack-cn1 t...

  • Page 133

    17 16 10 11 12 13 14 15 9 8 7 6 5 4 3 2 1 17 8 9 10 11 12 13 14 15 16 7 6 5 4 3 2 1 i h g f e d c b q p o n m l w x v u t s r k j a i h g f e d c b q p o n m l w x v u t s r k j a psr-s950 psr-s950 psr-s950 psr-s950 dm 001 circuit diagram (4/11) 1 3 1 3 a[1] a[2] a[3] a[4] a[5] a[6] a[7] a[8] a[9] a...

  • Page 134

    17 16 10 11 12 13 14 15 9 8 7 6 5 4 3 2 1 17 8 9 10 11 12 13 14 15 16 7 6 5 4 3 2 1 i h g f e d c b q p o n m l w x v u t s r k j a i h g f e d c b q p o n m l w x v u t s r k j a psr-s950 psr-s950 psr-s950 psr-s950 dm 002 circuit diagram (5/11) rd[8] rd[9] rd[10] rd[11] rd[12] rd[13] rd[14] rd[15] ...

  • Page 135

    17 16 10 11 12 13 14 15 9 8 7 6 5 4 3 2 1 17 8 9 10 11 12 13 14 15 16 7 6 5 4 3 2 1 i h g f e d c b q p o n m l w x v u t s r k j a i h g f e d c b q p o n m l w x v u t s r k j a psr-s950 psr-s950 psr-s950 psr-s950 dm 003 circuit diagram (6/11) ua[4] ua[3] ua[2] ua[1] ud[15] ud[14] ud[13] ud[12] ud...

  • Page 136

    17 16 10 11 12 13 14 15 9 8 7 6 5 4 3 2 1 17 8 9 10 11 12 13 14 15 16 7 6 5 4 3 2 1 i h g f e d c b q p o n m l w x v u t s r k j a i h g f e d c b q p o n m l w x v u t s r k j a psr-s950 psr-s950 psr-s950 psr-s950 dm 004 circuit diagram (7/11) hma[11] hma[12] hma[10] hma[13] hma[9] hma[14] hma[8] ...

  • Page 137: Psr-S950 Dm 005 Circuit Dia

    Age 8 > l k j i h g f e dcb a 1 2 3 4 5 6 7 8 lk j i h g f e d c b a 1 2 3 4 5 6 7 8 psr-s950 da-mute 001:i12 c802 0.1u ( ) c806 0.1u ( ) adlr 004:v1 dgnd 220/16 c877 + 5v tl801 agnd dgnd 256fs 004:p3 wclk0 004:v1 64fs 004:p3 agnd c874 0.1u agnd c801 0.1u ( ) dac-ic 001:g12 c804 0.1u ( ) c868 0.1u c...

  • Page 138: Pns

    24 16 10 11 12 13 14 15 9 8 7 6 5 4 3 2 1 24 8 9 10 11 12 13 14 15 16 17 17 18 18 19 19 20 20 21 21 22 22 23 23 7 6 5 4 3 2 1 i h g f e d c b q p o n m l w x y z aa ab ac ad ae af ag v u t s r k j a i h g f e d c b q p o n m l w x y z aa ab ac ad ae af ag v u t s r k j a psr-s750/psr-s950 psr-s750/p...

  • Page 139: Mod

    17 16 10 11 12 13 14 15 9 8 7 6 5 4 3 2 1 17 8 9 10 11 12 13 14 15 16 7 6 5 4 3 2 1 i h g f e d c b q p o n m l w x v u t s r k j a i h g f e d c b q p o n m l w x v u t s r k j a psr-s750/psr-s950 psr-s750/psr-s950 psr-s750/psr-s950 psr-s750/psr-s950 ajack, emks61a, hp, mk-h, mk-l, mod, pb circuit ...