Yamaha psr 70

Page 1

PDRTQTDI'IE

R-7E]

E MANUAL

ICONTENTS ( a 3:)

SPECIFICATIONS («my ..........................
PANEL LAYOUT (Aim v4 7 '7 I )
DISASSEMBLY PROCEDURE (swam
DM CIRCUIT BOARD & WIRING ......
PN CIRCUIT BOARDS a WIRING .................
AM & DJ CIRCUIT BOARDS & WIRING ............... I

TEST PROGRAM & MIDI IMPLEMENTATION CHART 12
PARTS LIST
YAMAHA
0012 57 NIPPON ISA-(KI (30.. LTD. HAMAMATSU. JAPAN

2.7K-303 @I Printed in Japan 85.10

Page 2

notice or

WARNING:

you apply power to ~-the unit

IMIORIANT NOTICE

This manual has been provided for the use of authorlzed Yamaha Retailers and their service personnel. It
. has been assumed that basic service procedures inherent to the industry, and more specifically Yamaha
Products, are already known and understood by the users, and have therefore not been restated, .

WARNING: Failure to follow appropriate service and safety procedures when servicing this product
' ' may result in personal injury, destruction of expensive components and failure of the
product to perform as specified. For these reasons. we advice all Yamaha product owners

that all service required should be performed by an authorized Varnaha Retailer or the

appointed service representative. .

IMPORTANT: The presentation or sale of this manual to any individual or firm does not constitute
authorization, certification, recognition of any applicable technical capabilities, or
'establish a principle- agent relationship of any form.

The data povided is believed to be accurate and :piicable to the unit(s) indicated on the cover. The
research, engineering, and service departments of Yamaha are continually striving to improve Yamaha
products, Modifications are, therefore, inevitable and changes in specification are subject to change without
aligation to retrofit. Should any discrepancy appear to exist, please contact the distributors

Static discharges can destroy expensive components. Discharge any static electricity your
body may have accumulated by grounding yourself so she ground buss in the unit (heavy
gauge black wires connect to this buss).

IMPORTANT: Turn the unit OFF during disassembiy and parts replacement Recheck a_ll work before

p J
as?" (C c ) N ~ OUXLr/ln-w
Solo Viz, " E -mslnm~ca wean-r
Jau Flute, Piccdo, Violin, Trumpet, Zi-f
Trombone, Horn. Saxophone, Oboe, Electric 5" W
Guitar, Fereus 1. 2, Popsynrh. Bluessynth. '0) 1 int/1V7 , y
Funksynth. Slapsynth. Bass. OnlOfl, Volume 9ex7n,_t/:WIIII,,49_ 4
Orchestra Voices ~ E 7 :m f , _ 1 1| I") 1-931
Jazz Organ, Pipe Organ; Strings. Brass 1. 2 . . , ~7->r1'\:l>l~n-Il«
Brass a. Chimes. Clarinet. Calliope, Piano, . , {tjffiD/H-flzz _, 1 7
.ectric Piano. Harpsichord Vibes. Jazz ,4. 7,14,,ng 7,, s71
Guitar Hawaiiancuim. Music Box, Cosmic, mg mg] up .1 t 'JZ'A-Ifl'h-A
Dn/Oli Volume - 7aw>l-z-s
Efecta ' IFIV//77"/ It 7 )w? 7. §-/(-
Solo Sustain _ ' ' wvwwaswwe , f y .
Orchestra Sustan I, 1. Stereo Svmphonic _ r ._ ivrevvy'jh;
7i men at
Orchestra To Lower . _ _
Rhythm Section warns) O¥-1¢-l A-fiyvaz
Big Band, Reggae, Disco, Pops. Eock'n'RoIl f, _ - +-n€-i~'/t-n~7-'/a>7cfr7i
Salsa. Samba, March/Polka, Swing, Slow WWW/5W
iockr Heavy Metal. ,16 Beat, Country, rtr7'7rlv7rz/1I4Nl-77K7/ FM-7:4
ihumhar Bossamva, Waltz, Varinian, 7, I . 2 A- s :_ - r . . _ _. »
Handclap 1, 2, Fi|l~in _l, 2, 3. Fill In Touch :1, ,/ 7 b aw"? :
aar, sun, Synchro Start, Stop, I'Itrol 771 "1 7 74/79?"
Ending, Tempo, Volume, Custom 1, 2, 3 7522/7I-ae'9- xen-
:gygoard :ercus: : I: Ladtirl Fergussiotns 75;,fl4A/,u747~,*5_ 3.7
Am ,;:TE,:;;;:;;::, 3" p' a" yawn/s; mam-77x :l-i 'ua-A
angered Chord, Single Finger Charo, on, mam/axon: r<-Zr1x'l_-t-A
Memory, Bass Volume, Chord Volume
Melody Pius .iaazln-IL .zxufin wt)»
c Duet, Trio (vol) 7:!9'51.
mom Accompaniment . ,
rngram, Rhythm, Bass, Chord, Clear NJ on.
Registration Memory /"1"-1-1- "4
rogram I, 2, 3 vz-aa :l-l'
Music Fragraminer 1
aeccru (Solo, Orchestra, Bass/Chord) cr-ere) 2"2'
layback (Solo, Orchestra, Bass/choral WM,
=ause, on
T, mm, a-vxle-mUJ-L l/zi-F
Save, Load 92?er -2 (vn-z-Irzis-z-FM-z)
Transpneer - .~ . -. ..
1/2 octave high and low Mr/7"- 7 7W" 7
Pitch Control *1??? (VDZ-7Zl53-FM-Zi
: so cents Nit fli-X
oeiar Controls
M, _
=ower Switch, Pilot Lamp. Master Volume. :7 r 7
59' Mm I (X-E'J-El)
Ami-cry Jnclrs I
Headphones, Expressmn Pedal, Tape 11"? 1: DO/ft
iOut, In), MIDI (Out. In), Aux cm (L 5. Fl). K77NxWZOrz? t-rlhfi: laoormi
=°°£3Wilm DC " Vrl/JD-EW? rum-x: lama/«Ir
Amnm'm azllwlrxyru
5w x 2 T 1,; .,_.~ . I-
Spoaker: m77z/Isz-i . {7" 5 at
12cm (4 onmsi x 2 n~y7>n-Iv/n>ru- 757
nma Volugo , . . ( ViRhV-95>XE'J-IIZ~3
DC av [six i.5v squI. " silo. R-ZO or "WWW
equivalent canaricsl. AC Power Adaptor owe/awn

iPA~4i or Car Eatery Adaptor (CA-ll
Dimenliune M l o x H)
913mm x Jaimrn x 96mm
(36" x III" II ass/41
Weight
7.4kg no.3 loci
Specifications are subject m change William Hal/CPI

7~9/v1rl|r7J/'7/|I/

.*wfib:>i~n-Ib

I 67-24%?"

r we: '7 577
Qz9-tldl1-A
hixkfi-V- (A. V)
EwiT/flhv/HA Y)
MlDli-F

CHRIS-7-
HEADPHDRES JACK
FOOT SWJACK
AUXDUT L-R JACKS
EXPPEDAL JACK
TAPE IN -OUT JACKS
MIDI lN-OUT JACKS
DC iN(9- i 2V) JACK

Cater/777'
5W x z

.xH-a-
memo )xz

extreme
Dos-lzv : IE75'79-PA-4
Ell sacrum

I'm
E 7779-1fififi i ISW
iilEitMififi 2 W

(Emfifi 2 fififi§T§fi5fimmil

09%:
we»: : zen-Ivan:
ii J; 11: 7:IJI»5M-3§

r-l i: :alam-

§ Fr : 33lrrnr

ii a :sst

i 1 : mks
CHI-5
33777'5- [PA-4]
fliflK

flZiATnzl t:x>r"/- l~