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Yamaha Portatone PSR-540 Service Manual

Other manuals for Portatone PSR-540: Owner's Manual
Manual is about: Yamaha PSR-540: User Guide

Summary of Portatone PSR-540

  • Page 1

    Hamamatsu,japan 1.45k-536 i printed in japan’99.06 contents specifications ...................................................................................... 3 panel layout ....................................................................................... 4 circuit board layout ...............

  • Page 2

    Psr-540 6 28ca1-8813687.

  • Page 3

    Psr540 9 hg73c205afd (xu947c00) swx00b tone generator pin no. Name i/o function pin no. Name i/o function 1 icn i initial clear 85 cma3 o program address bus 2 rfclki i pll clock 86 cma8 o program address bus 3 tm2 i pll control 87 cma2 o program address bus 4 avdd_pll power supply 88 crd o read sig...

  • Page 4

    Psr540 10 hd63266f (xi939a00) fdc (floppy disk controller) pin no. Name i/o function pin no. Name i/o function 1 8"//5" i data transmission speed 33 /trko i track 00 signal 2 xtalset i clock select 34 /index i index signal 3 /reset i rest 35 /rdata i read data input from fdd 4 e//rd i enable/read 36...

  • Page 5

    11 psr-540 ks0066u-10b(xv226a00) lcd driver pin no. Name i/o function pin no. Name i/o function 1 s22 o 41 db2 i/o 2 s21 o 42 db3 i/o 3 s20 o 43 db4 i/o data interface 4 s19 o 44 db5 i/o 5 s18 o 45 db6 i/o 6 s17 o 46 db7 i/o 7 s16 o 47 c1 o 8 s15 o 48 c2 o 9 s14 o 49 c3 o 10 s13 o 50 c4 o 11 s12 o s...

  • Page 6

    Psr-540 16 14 014: output r connect the level meter (with a jis-c filter) to the [phone/aux out] jack. (33 ohm load) set the [master volume] at maximum. Check the output level (1khz). Phones l: less than -60.0 dbm phones r: -10 dbm +/- 2 db 15 015: output l connect the level meter (with a jis-c filt...

  • Page 7

    Psr-540 17 all one touch setting (user) and song memory data, plus the other settings listed above, will be erased and/or changed when the data initialization procedure is carried out. Carrying out the data initialization procedure will usually restore normal operation if the psr-540 freezes or begi...

  • Page 8

    Psr-540 c1 note: see parts list for details of circuit board component parts..

  • Page 9

    Psr-540 c2 note: see parts list for details of circuit board component parts. Warning components having special characteristics are marked and must be replaced with parts having specification equal to those originally installed..