Sansui AUa 507 R Service Manual

Page 1

SERVICE MANUAL

. IlSANSUI

AU-@€.507R

19m n-n-Am alum.

AU-X517Ft

STEREO

INTEGRATED AMPLIFIER

CAUT I ON

l.Parts identified the A; symbol on the
schematic diagram and the parts_ list are
critical for safety

Use only replacement parts that have criti-
cal characteristics recommended hy the manu-
factureL
2.Make leakage-current for resistance meas-
urements to determine that exposed parts are
acceptably insulated from the supply circuit
before returning the appliance to the cus-
Now.

A mfiohthéfl%u,fififiéfifi?5t
oblC, Egmaaifiate.
:h5®¥5fii€§?§?éi§l5li, fiftéfiéhfc
fiBifinéEFfiL/CFELL

NOTICE

The symbols,EU.SS,and XX on the Parts list and the
schematic diagram lean followings respectively.

EU Manufactured for European llarket.

SS Manufactured for Saudi Arabian market.

XX Standard Version.

NON lMHK Common Parts.

?-70J,5!§L\§B£i=tzlx, Qtiffillfltfiflf'é'.

-AU-a50lfll1t anaemia-ca
-AU-a507fi is a model for the Japanese market.

Notice for Parts

LSome printed circuit board are not supplied as
sembled.

To separate these in this Service Manual, the stock
numbers are not indicated for these boards However,
stock numbers for individual parts are indicated,
2.Sinoe some capacitors and resistors are omitted from
parts lists in service manual, refer to the Common
Parts List for capacitors and resistorswhich was issued
on June 1987
3.Abbreviations in this Parts List are as followst
i. 79> rgfiocplzla, 7vt>ju-dtrra'cimxbami
awe-e.

Eafififs'oglzz t 'y 7$%0Jtitt\ulf;ub®l:x, 7m
>7U-fltfi13ifikwt:fifi

MEL. Efiimlfleofiraalzocl'claetiaukbi-e.

2. amazementttmx. Em- :I>7>+I-oiesui
e. inalzotxrrz. lfl7$3fi£fi®fififii€h§tfi~ :iy
7)?-J(-JUXI§$R€LC<7€ELL ,
3t C07ZJ7JMCU. Iaeemiemenrasow. final:
jcltliaeéiégflflbrwééu

Abbreviations List gnfiagggae
2:3: ifltfiififf H 4"

09R. cement Resistor 3' R t 7 'J 9 "if

ma. :Metal Film Hesismr 9* ti: = t e 4 *5!!!

F. at :Fusiiig Resistor I. R. : allotment

MLR. :Nott-Inllammablo F. n z 7 a - 1am
Resistor ls l. a. : xnfififi

A. R. :Array Resistor A. R. : 7 L _m

c.c. :Ccramic Capacitor o c _ t 5 : y 75?

OT. :Ceramic Capacitor. ' ' ' , f
mum's D, T. : :Ifiiiflfit! 7 z 9 7
Compensation 3' 7' 79

E.c. Electrolytic Capacitor E .c : IR: pike -

E. L. :Law Laak Electrolytic E. L : mum : 25-ye-
Capacilor : 511 ~ ~ _

as. :Bi-Polu :lactrolytlc 55 EL :gmlgiav

Capacitor ,

E,E.L :Law Leak Bi-Polar u: 7:
Electrolytic Capacitor "- 9 i 9' JVTVV

TaC. :Tar'naium Capacitor Ft 0 : 7 4 ILA - 3 >79?-

F.c, :Film Capacitor It a : x 9 5 -r x r 4-m-

M.Fi :Melalizod Paper 3 ,;,a,_

Cflmi'o' an men-nu :IJ'FJI*
ac, :Pclystyrarra Capacitor _ _ . _
M.M.C. :Matalizad Mylar "' "' c. ' {fo " 7"

Gamma, :l/7-xv-¢
Ag magma, At; :7u- - :97»?-
v. R. :Vaviablo Resistor v. a. : mam
svvn. :Sami Variable s v. m : ¥Eszt

Resistor si ti. : z 4 '1 ;
sw. >S"'"°" can; a. z 5- 9 7m

chip.R. :Chip Resistor

li' : - -
Chip.C. :cnipcapacitor G a T73Tv