Sansui AM 800 Service Manual

Page 1

' A-M800

SERVICE MANUAL : mm

Power output
Min. RMS both channels driven, from 40 to 20 000 Hz with

r l _ ~ A ' A V I no more than 0.50 /0 total harmonic distortion
INTEGRATED STE REo AMPLIFIER Loaf?rrziafizeff??ffffi.faiths

Total harmonic distortion

> - I i y .................................. less than 0.5% at or below -
snusm A-M800 e -
. ' . Frequency response (at l watt) _
" ' ' I _ _ .................................. lOto 50,000 Hz/+O.SdB
- - ' . 2 d8
RlAA curve deviation (PHONO, 30 Hz to 20 kHz)
.................................. +0 5 d8 -~0 5 d8
input sensitivity and impedance

(1 kHz for rated power output)
PHONO.... .................. 2 5 mV/47 kilohms

(Max input capability: 130 mV at 1 kHz, less than
» 0 5 fa total harmonic distOrtion)
TUNER TAPE PLAY( 2), AUX/CD
............................. 150 mV/47 kilohms

V MIC ....................... 0 S mV/iO kilohms
i Output level (i ikHz)
TAPE REC......; ............ T30 mV tnto.47 klthmS
Signal to noise ratio (short-circuit, A-network)
PHONO.........~. ........... 72 dB V
TUNER, TAPE PLAY ll, 2) AUX/CD
.............. 9O ClB

Power requirements
Power Voltage ............. 1201220/240 V (50/60 Hz)

For U. S. A. & Canada

CAUTION .
........................ 120 V (60 Hz)

_1. Parts identified by theAsymbol on the schematic Power consumption 105 watts 120 VA Rated
diagram and the parts list are critical for safety. . 150 watts Maximum
UseOnly replacement parts that have critical charac- Dimensions ............ - ......... 345 mm, (13 558W

. teristics recommended by the manufacturer. ' ; ' ' - ' (ggSmnfmlfi/Sml) n

A 2. Make leakage-current'or resistance measurements - . Weight ............................ 3.5 kg (7.7 lbs.) net

' to determine that exposed parts are acceptably in- ' - ~ , 4'0 k8 (8-8. lbw-Packed A
SUlated from the supply CerUlt before returning the V . * Design and specifications subject to changes without notice for im-

appliance to the customer

provements.
* Due to local laws and regulations, this unit sold in some areas are not

equipped with variable Voltage selectors

SANSUI ELECTRIC CO., LTD.

Page 2

A-IVISOO

1. The symbols, UL, CSA, SA, BS, UK, EU, AS and XX (EXPORT) on
the parts list and the schematic diagram mean followings respectively.

CAUTION

UL ....................... Manufactured for USA market.
(Underwriters Laboratories approved model.)

CSA .................... Manufactured for Canadian market.

SA ....................... Manufactured for South African market.

BS, UK ............... Manufactured for United Kingdom market.

EU ...................... Manufactured for European market.

AS ....................... Manufactured for Australian market.

XX (EXPORT) ..... Standard Version.

NON MARK ........ Common Parts.

2. Some printed circuit boards are not supplied as the assembled.

To separate these in this service manual, the stock Nos are not in-
dicated at the ends of the board names. However, the individual parts

on the circuit boards are provided by orders.

3. Since some of capacitors and resistors are omitted from parts lists
in this service manual, refer to the Common Parts List for capacitors

& resistors, which was issued on February 1983.

4. Abbreviations in this service manual are as follows.

C.R.
S.R.
Ce.R.
M.R.
F.R.
N.l.R.
A.R.
CO.
CT.

E.C.
E.L.

E.B.

- OAbbreviations List

: Carbon Resistor

: Solid Resistor

: Cement Resistor

: Metal Film Resistor

: Fusing Resistor

: Non-lnflammable Resistor
: Array Resistor

: Ceramic Capacitor

: Ceramic Capacitor,
Temperature Compensation
: Electrolytic Capacitor
: Low Leak Electrolytic

Capacitor

: Bi-Polar Electrolytic

Capacitor

E.B.L.

Ta.C.
F.C.
M.P.
PC.
6.0.
AC.
V.R.
S.V.R.
SW. .
Chip R. :
Chip C. :

: Low Leak Bi-Polar

Electrolytic Capacitor

: Tantalum Capacitor

: Film Capacitor

: Metalized Paper Capacitor
: Polystyrene Capacitor

: Gimmic Capacitor

: Array Capacitor

: Variable Resistor

: Semi Variable Resistor

' Switch

Chip Resistor
Chip Capacitor