Sansui C 2102 Service Manual

Page 1

SERVICE MANUAL

Input sensitivity and impedance (at 1 kHz)

. . 1 1 . PHONO- 1, 2 (MC) ...... 250 pV/iOO ohms ..

' ' 1 1 . (Max input capability: 30 mV at 1 kHz leSs than

, » - - , 0.01% totai harmonic distortion) I'
STEREO CONTROL AMPLIFIER _ 11101101, 2 11111111 MC)

' - . 1 1 - I ' ............................. 2.5 mV/100 ohms .

PHONO 1, 2 (MM) ..... 2 5 mV/47 koh'ms

'I ' g -I . » I ' I (Max. input capabi1ity; 300 mV at 1 kHz, less than I.
.I ' . I1 , 0. 01% total harmonic distortion)
I j _ :1 _ . CD, TUNER, LiNEi 2 a . ' 1

............................. 150 mV/47 kohIms
» TAPE PLAY- 1,- 2, 3/DAT
............................. 150 mV/47 kohms
Output level (1,000 Hz)
TAPE REG 1, 2, 3 ........ 150 mV
OUTPUT.......I.......I ...... 1V -
(Max output level 15V at1 kHz, less thanOOi % total
harmonic distortion) I - - .
Total harmonic distortion (20 Hz to 20 kHz) . .1
PHONO- 1, 2 (MC) ..... I. less than 0.01 /0 (REC OUT)
PHONO- 1, 2 (M M) ..... less than 0.005% (REC OUT).
CD, TUNER, LINE-1, 2 '
............................. less than 0.003%
Frequency response (at 0.5V) .
' PHONO-1, 2 (MM) (RiAA curve deviation) -
...................... ......20 Hz~ 20 kHZiO. 2 dB
CD, TUNER LINE-,1 2 :
...... DC_~ 300 kHz +0, -3 dB

TAPE PLAY-,1 2, 3 . '
....................... DC 300 kHz +0, -I-3 dB

CAUTION II I I I II I f _ I , - Signal to noise ratio (short- circuit, A- network)
. _ PHONO-1, 2 (MC) ...... 70 dB _
1. Parts identified by the A symbol on the schematic - PHONOl 2' (MM) ..... 33 dB - < -
diagram and the parts list are critical for safety CD? TUNER NE" 2

Use only replacement parts that have critical 1211111an ._ . p =1 153131113175"3'jjjjj 113 :13
. teristics redommended by the manufactUrer. ;. . IIIControls and Filter
=2.-.Make'.--l.eakage4Current or resistance";measurements - '~ tffi/f ------------------ :1; 33 $132: gOEijiI
to determine that exposed parts are acceptably in- 1 I 1? 51135151116111:2121212211-3 dB ans Hz 16 dB/oct)
Sulated from the supply circuit before returning the. - . - ' MUTlNG ........... ........ -20 1113 ~ .
_ I1 .. __ LOUDNESS ....... , ....... +8 dB at 50 Hz

appliance to the customer. _ +5 dB at 10 kHz »

(VOLUME: ~30 d8 position)

Power requirements . .
Power voltage ..... ........ 1 20/220/24OV (50/80 Hz) .

For U. S A 81 Canada .,

............ 120V (I60 HZ) I
Power consumption .30 watts
Dimensions ......... ...... 430 mm {1-6 15/16) W
' . 119mm (4-11/16)
» :' - ' 326 mm (12~7/8_) D
Weight........._................... 5. 5 kg (12.1 lbs) net .
I I I» ~ " " I 71 kg (15 7 lbs) packed

.* Design and specifications subject to changes without notice for im-

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

equipped with variable voltage selecltors.

VSANSUI ELECTRIC (30., LTD.

Page 2

C-2102

CAUTION

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

tively.

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 (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.

- OAbbreviations List

C.R. : Carbon Resistor E.B.L. : Low Leak Bi-Polar
S.R. : Solid Resistor Electrolytic Capacitor
Ce.R. : Cement Resistor Ta.C. : Tantalum Capacitor
M.R.» : Metal Film Resistor F.C. : Film Capacitor
F.R. : Fusing Resistor M.P. : Metalized Paper Capacitor
N.I.R. : Non-lnflammable Resistor P.C. : Polystyrene Capacitor
A.R. : Array Resistor G.C. : Gimmic Capacitor
C.C. : Ceramic Capacitor A.C. : Array Capacitor
C.T. : Ceramic Capacitor, V.R. : Variable Resistor
Temperature Compensation S.V.R. : Semi Variable Resistor
E.C. : Electrolytic Capacitor SW. : Switch
E.L. : Low Leak Electrolytic Chip R. : Chip Resistor
Capacitor Chip C. : Chip Capacitor
E.B. : Bi-Polar Electrolytic
Capacitor