Yamaha a 960

Page 1

STEREO INTEGRATED AMPLIFIER

SERVICE MANUAL

I FRONT PANEL

I 9

GIANNA mum 5mg mt an

@ ffij;

$25?

III'IO

POWER SWITCII

LISTENING LEVEL MONITOR (peak level in-
dicaror)

MAIN DIRECT switch

DISC switch

VOLUME control

SPEAKER selector switches

PHONES jack

SUBSONIC FILTER switch

9
(0
(D
(D
®
Ill
IE
(3

996566 96

I CONTENTS

SPECIFICATIONS ............................
DISASSEMBLY PROCEDURES ...................
ADJUSTMENTS
ADJUSTING POINTS ......
BLOCK DIAGRAM .................

WIRING ....................................

004418 E

REAR PANEL .................................
INTERNAL COMPONENTS ........................

POWER PACK FOR EACH DESTINATION .............

SCHEMATIC DIAGRAM ..........................

BASS and TREBLE Ione controls

HIGH FILTER switch

MODE selector switch

BALANCE control

LouDNESS control

REC OUT SELECTOR switch

PHONO SELECTOR and MM/MC indicators
INPUT SELECTOR switch

.......................... I
.......................... 1 '

.......................... 6
7
.......................... 8

YAMAH

NIPPON GAKKI CO. LTD. HAMAMATSU, JAPAN

1 1
8011 2.42K KT .__._., ® mm: m Jaoan

SINCE 1587

Page 2

I
BULLETIN No.1 05-84 *

DATE:- May 1984

ROBLEW:

fiflUSE:

EVIL" I'I:

HUDEFICfiTIUN:

m,.n
MK:51

IN Weflw
: Dew/7 6,75; )N 7594

THE-TE: I'**'!'ir
Ina-fit}:

YAMAHA - The Imrlda' lurgeSI menu/bowler ofMusicaI Instruments

wmn'f come an, circuit checks out nnrma]

3a.n out lamp in "Pa -war' swiich button, also in

V n W ract" or Dis: " button when switch is
IIJerd,

?eu1acc burnt nut 1amp(s) and modify lamp circuit.

older a ?2 unm 1 IQSIstor in series with a 10 volt
-Itt Zlner diode to connector pins shown on
H1flgrflm as PD- 1 RU- 2, and RD- 3.

[I 00 E::3"° 1
P12 . fine . Cami-Po f. 3
mad] ° cc3.board
Why 5}:
LI

5&0
230m.) part number JBUCOJZO or

22 ohm % waLt or % watt /§4§*z§)é3;25/3

igner B :udes [3) 10 volt 1 watt

[067», - '-

Fur unit under warranty speci.

MGUIFIEAFION KIT: 05 84- n- 960. ALSO INCLUDE
HARRANTY CLAIM NUMBER AND DATE OF PURCHASE.

I1Ldse Des; ray Bu11etln 05-81 dated JuIy 1981 *****
03- 33 dated Nov 1983 ****_