Sansui D 77 F Service Manual

Page 1

D-77F

SERVICE MANUAL

Track .......... 4-T1ack (2-Channe1 Stereo)
Tape Speed , . . . . . . 4.8 cm/sec. (1-7/8 ips)
Heads (2-head configuration)

STEREO CASSETTE DECK Ree/ob head . . . , HIGHBs hard permalloy

Erase head ...... Doublegap ferrite
Motor .......... Capstan: Electronically Controlled
DC Motor
Ansul -77F Reels: DC Motor
Wow an! flutter. , . . within 0.05 % WRMS
(silver & Black Model) Fast wind time H .. approximately 80 seconds ((2-60)

Frequency response (-20 VU recording/playback)
Normal Tape (LH) . 20 to 15,000 Hz
(301014.000 Hz :3 :18]

Chrome Tape . . . . 201017,000 Hz
(30 to 16,000 Hz 3 3 (13)
Metal Tape ..... 20 to 18,000 Hz

_, , s . . (30tol7,000Hz:3dB)

l. : Signal to noise ratio (Record/Playback)
L v . 1 Metal Tape {without Doiby Noise Reduction Effect)
L 9' ............ better than 58 dB (weighted)
, (With Dolby Noise Reduction)
. ............ better than 68 :18 (above 5 kHz)
. . Erzsure factor [Metal Tape)
............ more than 70 dB at 1,000 Hz
W Input sensitivity and impedance (0 vu, 1000 Hz)
MIC ......... 014 mV/ZOCQ ~ 5 kn
LINE IN (REC) t .. 150 "IV/47 kn

Output level (0 VU, 1,000 Hz)
LINE OUT (PLAV)
Power requirements
Power voltage I . . . 120/220/240 V (50/60 Hz)
For U.S.A. and Canada
........... 120 V (60 H1)
Power consumption 15 W
Dimensions ....... 430 mm (16-15(16' i W
118 mm (4-11/l6") H
223 mm (Ms/15"} D
Weight .......... 3.6 kg (7.9 lbs) net
4.4 kg (9t7 lbs} nicked

' Design and specifications subieet to changes without
notice for improvements.

Sansui.
SANSUI ELECTRIC CO., LTD.