Sansui AUG 77 X Mk2 Service Manual

Page 1

4 AU-G77XII

SERVICE MANI 1A1 , . =

. . , , . I I I W lower output i ' '

. . W m. _ ~ ' .. ~ -. ". . -i~ x ' I _IM1n RMS, both channelsdnven from 20to2000OHz within -.

'_ ' no more than 0 008% total harmonic distortion '
110 h I 8 h

INTEGRATED AMPLIFIER . .mtitzrsgiié'f:'21:. . -

TOtal harmonic distortion

; _ i . ~ ..... less than 0 008% at or below .:
l] ' ' i " ' i I rated min RIMS power output '
' " " ' lntermodulation dietortitm , . M. . , '.
' 1' " f -- (60 Hz; 7 kHz= 4:1 SMPTE method) ' » - ' ..
' ...... . ............ less than 0. 01% at rated '
' ' ' power output ' _-

FrequenCy response (at 1 watt) - -
Overall (from CD) ..... 5 to 100, 000 Hz, +0 dB

mmmm NJ-WX! 6..., a .. a ., I
- __ _ - _ ~1RIAA curve deviation (PHQNO MM 20 Hz to 20 kHz)
' I i '5 -- .................... ..... +0.5 dB, ~05 dB
Input sensitivity and impedance (at 1 kHz)
PHONO (MC) 300 uV/1OO ohms
PMHONO (MM) ............ 2 5 mV/47 kohms - ~ - .
i (Max. input capability; 150 mV at 1 kHz less than
0.1% total harmonic distortion) . ~ .
CD...., ............... 150 mV/47 kohms ' .
TUNER, L1NE1, 2, TAPE PLA,Y1 2, ADAPTOR .-
...... 150 mV/47 kohms
Output level (1 kHz) _ ..
TAPE REC 1, 2 ............ 150 mV into 47 kohms
Signal to noise ratio (short- circuit, A- network)
PHONO (MC). ............ 70 dB ..
PHONO (MM)............ 87 dB _
_ . _ .. . , . CD..I...; .................... 100 dB .
' _ ' . » ' ' " . TUNER, LINE 1 2, TAPE PLAYT, 2
. . - , . . I ........................... 5100d8

CAUTION ' . - i' g Controls and Filter . '

1 Parts identified by the A symbol on the schematic I ' '83881623132IIIiIiiIIIIIIi-IIII :8 88 Z: 88 iii: .
diagram and. the parts list are critical for safety. . - g SUBsoNic........., ...... .. -3 dB at 16 Hz (6 613/661)
.Useonly-replacement parts that have critical charac-z , ' MUT'NC ------- 0-20 33 »

.tenstics recommended by the manufacturer. .LOUDNESS IHdvrh :EOdBBatatigokS: '

_ ,2. Make leakage-current or resistance-measurements * (VOLUME -30 dB 6651116111
to determine that exposed parts are acceptably in- P017) requirltements , 12012201240 V (50/60 H )
_ sulated from the SUpply circuit before returmng the Ofirfisafiegggggaa _. , . . Z
> appliance to the customer ' . ..................... 120 v (60 Hz)- - .
, . , Power conSUmption ..... 370 watts 470 VA Rated -
550 watts MaximUm '
Dimensions ..................... 430 mm (16-15/16")W

160 mm (6- 5/16)H
_ 425 mm (16- 3/4) D
Weight .................. , .......... 1 4. 3 kg (3.1 5 lbs) net -
16.0 kg (35. 3 le) packed

* Design and Specifications subject to changes without notice for im-

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

' equipped with variable voltage selectors.

Page 2

AU-G77XII

UL ....................... Manufactured for U.S.A 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.

SEV .................... Manufactured for Swiss market.

XX ....................... Standard Version with Inner Voltage Selector.

< EXPORT >

XX-V ................... Standard Version with Outer Voltage Selector.

< EXPORT(V) >

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

NOTE

1. The symbols, UL, CSA, SA, BS, UK, EU, AS, SEV, XX < EXPORT>
and XX-V on the parts list and the schematic dia-
gram mean followings respectively.

2. Some printed circuit boards are not supplied assembled. To separate
these in this service manual, the stock numbers are not indicated
for these boards. However, stock numbers for individual parts are

indicated.

3. Since some 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.
W.Fi.
MR.
FR.
N.|.R.
RA.
C.C.
C.T.

E.C.
E.L.

- OAbbreviations List

: Carbon Resistor

: Solid Resistor

: Wire Wound Resistor

: Metal Film Resistor

: Fusing Resistor

: Non-lnflammable Resistor
: Resistor Array

: Ceramic Capacitor

: Ceramic Capacitor,

Temperature Compensation

: Electrolytic Capacitor
: Low Leakage Electrolytic

Capacitor

E.B.
E.B.L.

Ta.C.
F.C.
M.P.
P.C.
C.A.
V.R.
SW. .
Chip R. :
Chip C. :

: Bi-Polar Electrolytic

Capacitor

: Low Leakage Bi-Polar

Electrolytic Capacitor

: Tantalum Capacitor

: Film Capacitor

: Metallized Paper Capacitor
: Polystyrene Capacitor

: Capacitor Array

: Variable Resistor

' Switch

Chip Resistor
Chip Capacitor