Sansui D 79R Service Manual

Page 1

D-79R

SERVICE MANUAL OSPECIFICATIONS

Track .............................. 4-Track (2-Channel Stereo)
Tape Speed ................. 4.8 cm/sec. (1-7/8 ips)
Heads (2-head configuration)

AUTO REVERSE CASSETTE DECK E:Z:?.£li..:z """"" 1:1: 313332.?fléfif'éi'lilme

Motor ............................. Capstan: Electronically
Controlled DC Motor
- Reels: DC Motor
Wow and flutter ............. within 0.05% WRMS
. Fast wind time ................ approximately 80 seconds
(Silver 8. Black Model) (060)

Frequency response (-20 VU recordingiplayback)
Normal Tape (LH) ....... 20 to l5,000 Hz
(30 to 14,000 Hz 23 dB)

Chrome tape .............. 20 to 17,000 Hz
(30 to 16,000 Hz :3 dB)
Metal Tape ................. 20 to 18,000 Hz

(30 to l7,000 Hz :3 dB)
Signal to noise ratio (Record/Playback)
Metal Tape (without Dolby Noise Reduction Effect)
............................. better than 58 dB (weighted)
(With Dolby Noise Reducton)
............................. better than 68 dB
(above 5 kHz)
Erasure factor (Metal Tape)
.................................. more than 70 dB at 1 kHz
tnput sensitivity and impedance (0 VU, 1 kHz)

MIC ........................... 0.4 mV/zoon~5 kn
LINE IN (REC) ............. Iso mV/Ioo kn
Output level (0 VU, 1 kHz)
r _ J LINE our (PLAY) ....... 240 mV
Power requirements
Note _ . _ _ Power voltage ............. 120/220/240 v (50/60 Hz)
D-79R is additional model which external appear- ForU.S.A. and Canada
ances are different from those of D-77R. Power mnsumhon """ govt/l (60 HZ)
3 manual contalns OTHER PARTS l__lST, PACK' Dimensions ......... p ...... .:.:430 mm (16-15/16") w
lNG LIST and ACCESSORY LIST In which changed 118 mm (4-11/16") H
. - _ 223 mm (8~l3/16") D
parts are pnntecl. Wlth ?0ld fage' . I Weight ............................ 4.0 kg (8.8 lbs.) net
or ot er parts Ist, re er to -77R servnce manua 4.8 kg 0.6 ,st packed
prevnously Issued.
I ' Design and specilirations subiect to changes without notice for im-

movements.

' Noise redudion system manuladured under license trom Dolby Laborato-
ries licensing Corporation.
"Dolby" and the double 0 symbol are trade marks at Dolby laboratories
licensing Corporation.

SANSUI ELECTRIC CO., LTD.

Page 2

1. OTHER PARTS

1-1. Front View

Parts List Gib
Part: No. Stock No. Description
1 47527100 Front Panel Ass'y
47527200 Front Panel Ass'y
1-1 07992310 Cassette Well Ass'y
1-2 47079700 Cassette Well Spring
2 47413800 Cassette Lid Assy
47413900 Cassette Lid Ass'y < Black Model>
3 07966900 Bonnet
4 47234600 Push Knob, METAL/HIGH/NORMAL

07917300 Push Knob, METALIHIGH/NORMAL
< Black Model>
5 46408900 Push SW , METAL/HIGH/NORMAL-DOLBY NR-
REC MUTE
6 47484100 Slide Knob, REVERSE MODE
07945710

Slide Knob, REVERSE MODE (Black Model)

1-2. Display Stage

(See Fig.1-2 Display Stage)

Parts No.

Stock No. Description
7 46408600 Slide SW., REVERSE MODE- COMPU
EDIT/TIMER
8 07945710 Slide Knob, COMPU EDIT/TIMER
9 46265700 Jack, PHONES
10 46212000 Jack, MIC
11 47234600 Push Knob, DOLBY NR-REC MUTE

47419200 Push Knob, DOLBY NR-REC MUTE

12 07945400 Push Knob, EJECT
07945500 Push Knob, EJECT
13 07971210 Push Knob, POWER 07911210 Push Knob, POWER
14 46360300

Push SW , POWER

2._PACKING__LISfiTp

Parts No. Stock No. Description
1 91263810 Vinyl Cover
2 07949000 Styrofoam Packing
3 47412500 Carton Case
47412400 Carton Case

CD
Parts List
Part: No. Stock No. Description
1 47415100 Display Cover
2 47414100 Display Panel _3 ' ACEE_SSORY LIST
3 47434100 Push Knob, STOP p
4 47434200 Push Knob, REC arts No. Stock No. Description
5 47434300 Push Konb, PAUSE 46896600 Operating Instruction
6 47413100 Push Knob, FWD PLAY 38103300 P4P Cord
7 47420000 Push Knob, REV PLAY 46267300 Min. Plug Cord
8 47420100 Push Knob, F. FWD 94300500 Head Cleaner (cottom buds)
9 47420200 Push Konb, REW *
10 47071400 Cushion Rubber
11 07921900

Display Holder

SANSUI ELECTRIC CO., LTD.:

SANSUI ELECTRONICS lU.K.I LTD:
SANSUI ELECTRONICS G.Mi8.H.:

SANSUI ELECTRONICS CORPORATION;

14-1, Izumi 2-chome, SuginemHtu, Tokyo 168 Japan

PHONE: (03) 324-8891ITELEX: 232-2076 (International Division)

1250 Valley Brook Ave. Lyndhursl. NJ. 07071 U.S.A.

17150 South Margay Ave. Carson. California 90746 U.$.A.

3036 Koapaka Street Honolulu, Hawaii 96819 USA,

Unit 10A. Lyon Industrial Estate. Rockware Avenue. Geenlord, Middx U86, 0AA. England
Pau Enrich Strasso 8. 6074 Rodermerk 2, West Germany

(SM1-128I Printed in Japan (140620MI