Sansui D-W11 Service Manual

SANSUI
D-WI11
COMPU-SYNCHRO
JOUBLE REVERSE CASSETTE DECK
CAUTION
SERVICE MANUAL
1. Parts identified by the ZA symbol on the schematic diagram and the parts list are
critical for safety. Use only replacement parts that have critical characteristics
recommended by the manufacturer.
2. Make leakage-current or resistance measurements to determine that exposed parts
are acceptably insulated from the supply circuit before returning the appliance to
the customer.
eSPECIFICATIONS
Track format.................-. 4-track/2-channel system
Tape speed..............008 4.8 cm/sec. |
Heads
Rec/play head............. HIGH-Bs hard permalloy x 2
Erase head..............000 Double-gap HIGH-Bs
ferrite x 2
MONG is coiesiisteies Electronically controlled bc
motor x 2
Reels: DC Motor x 2
Wow/flutter ................086 0.05% max (WRMS)
Fast forwarding (rewinding) time
Sag betuadas edaaabasy avapiaeeuues Approx. 85 sec. (for C-60 tape)
Frequency response (—20 VU recording/playback)
Normal tape (LH) ....... 20 to 15,000 Hz
(30 to 14,000 Hz +3 dB)
Chrome tape ............6 20 to 17,000 Hz
(30 to 16,000 Hz +3 dB)
Metal tape......... cece 20 to 18,000 Hz
(30 to 17,000 Hz +3 dB)
Signal to noise ratio (Record/Playback)
Metal Tape (without Dolby Noise Reduction)
s uasceuanenscaseuuahieesesis better than 57 dB
(With Dolby Noise Reduction Effect)
DOLBY ''B'' NR.... better than 66 dB
(above 5 kHz)
DOLBY "'C'' NR.... better than 73 dB
(above 1 kHz)
4
Erasure factor (Meta! Tape)
web tnaauece mevnivseuiaeeakede: more than 70 dB at 1 kHz
Recording bias frequency
Sltabasia choea a decnsiua tice , 85 kHz
Input sensitivity/impedance
LINE IN (REC)............. 150 mV/47 kohms (AUTO)
70 mV/47 kohms (MANUAL)
1 || Get Rone nee ORES te 0.5 mV/10 kohms
Power requirements ........ 120/220/240 V
50/60 Hz
For U.S.A. and Canada .
higwadeyawimctekven bureaus 120V (60 Hz)
Power consumption ........ 35W
Dimensions .................00.- 430 mm (16-15/16") W
111 mm (4-3/8") H
304 mm (12") D
Weight .............ccccccceeeeee 6.2 kg (13.7 lbs) net
7.6 kg (16.8 lbs) packed
* Design and specifications subject to changes without notice for im-
provements,
* Dolby noise reduction system manufactured under license from Dolby
Laboratories Licensing Corporation.
'Dolby' and the double D symbol are trade marks of Doiby Laboratories
Licensing Corporation.