Sansui D 590R Service Manual

Page 1

SERVICE MANUAL

COMPU REVERSE CASSETTE DECK

(Silver & Black Model)

than? ml

CAUTION

1. Parts identified by the ! 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 in-
sulat :d from the supply circuit before returning the
appliance to the customer.

SANSUI ELECTRIC CO., LTD.

'SPECIFICATIONS
Track format ................... 4-track/2-channel system
Tape speed ...................... 4.8 cmlsec.
Heads (2-head configuration)
Rec/pb head ............... HIGH-BS hard permalloy
Erase head ..... Double-grep HlGH-Bs ferrite
Motor ............................. Capstan: Electronically

Controlled DC Motor
Reels: DC Motor
Mechanism: DC Motor
Wow/flutter .................... 0.04% max (WRMS)
Fast forwarding (rewinding) time
.................................. Approx. 85 sec. [for C-60 tape)
Frequency response (-20 VU recording/playback)
Normal tape (LH) ....... 20 to 17,000 Hz
(20 to 16,000 Hz :3 dB)

Chrome tape .............. 20 to 18,000 Hz
(20 to 17,000 Hz :3 dB)
Metal tape .................. 20 to 19,000 Hz

(20 to 18,000 Hz :3 dB)
Signal-to-noise ratio (recording/playback with metal tape)
DOLBY NR OFF ......... Better than 58 dB
DOLBY-B NR ON ....... Better than 68 dB
(above 5 kHz)
DOLBY-C NR ON ....... Better than 78 d8
(above 1 kHz)
Erasure rate (metal tape)
.................................. 70 dB min (1 kHz)
Recording bias frequency

.................................. 85 kHz
lnpul sensitivity/impedance

LINE IN (REC) ............. 7O mV/lOO 1(0th

MlC ................. 0.5 mV/200~5,000 ohms
Power requiremets .......... 120/220/24OV

50/60 Hz

For U.S.A. and Canada 120V (60 Hz)
Power consumption ........ 20W
Dimensions ..................... 430 mm (16-15/16) W

111 mm (4-7/16) H

312 mm (12-5/16") D
Weight ............................ 5.7 kg (12.6 lbs) net

6.9 kg (15.2 lbs) packed

Design and specifications subject to change without
notice for improvements.

' Noise reduction system manufactured under license
from Dolby Laboratories Licensing Corporation.
Dolby and the double D symbol are trade marks of
Dolby laboratories Licensing Corporation.

Page 2

CAUTION

1. The symbols, UL, CSA, BS, UK, EU, AS and XX on the parts list and
the schematic diagram mean followings respectively.

UL ....................... Manufactured for USA market
(Undenrvriters Laboratories approved model.)

CSA .................... Manufactured for Canadian market.

BS, UK ............... Manufactured for United Kingdom market.

EU ...................... Manufactured for European market.

AS ....................... Manufactured for Australian market.

XX ....................... 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

S.R. : Solid Resistor

Ce.R. : Cement Resistor

M.R. : Metal Film Resistor

F.R. : Fusing Resistor

N.I.R. : Non-lnflammable Resistor

AR. 2 Array Resistor

C.C. : Ceramic Capacitor

C.T. : Ceramic Capacitor,
Temoerature Compensation

E.C. : Electrolytic Capacitor

E.L. : Low Leak Electrolytic
Capacitor

E.B.

E.B.L.

Ta.C.
F.C.
M.P.
RC.
6.0.
AC.
V R.

s.v.n.

SW.

: Bi-Polar Electrolytic

Capacitor

: Low Leak Bi-Polar

Electrolytic Capacitor

: Tantalum Capacitor

: Film Capacitor

: Metalized Paper Capacitor
: Polystyrene Capacitor

: Gimmic Capacitor

: Array Capacitor

: Variable Resistor

: Semi Variable Resistor

: Switch

Page 9

4. PARTS LOCATION 81 PARTS LIST

4-1. F-4360 Control SW. & Display Circuit Board (Stock N0. 00758501)

Component Side Parts List
ms 3; §; § E E g :6 2 P218 No. Stock No. Doucrlptlon
6 6 9 o
8" ggg .QQQQE 0101 46671100 8A6146
3-3 ,. ,. 3
6 I: 2 3E Zener Diode
"5 3 g 0021 46102500 0528.2-Y
1 - nFP1 46638900 FL. Display Tube FIP12AW12Y
1. E
z.- u- 95 E °LED
:3, mm 07250900 TLG-123A
3 a nL03 07250900 TLG-123A
: nLDG 46176900 TLs-123
5- 2" .. nLD7 46176900 TLs-123
.1101 ,1? 5 mos 46176900 TLS.123
- Bu nC2 46709400 2214F 6.3V EL
1. - 6'.
1 LT? 051 46726900 Push sw., DOLBY NR
_ X
0
N i ODiode
° - w01 03111600 152473
2 E P v or 03111800 151588
wDZ 03111600 152473
m I n 0103111800 151588
"L P we 03111600 152473
a x 50 or 03111800 151588
- 9| wD4 03111600 152473
2 W or 03111800 151588
r' - a wD5 03111600 152473
5* or 03111800 151588
° - 5 wD6 03111600 152473
F or 03111800 151588
8; wD7 03111600 152473
. s u _ or 03111800 151588
6 I 3 wD9 03111600 152473
2'; or 03111800 151588
' w010 03111600 152473
3 Q. 1121 or 03111800 131588
5 -~ wD11 03111600 152473
3 m or 03111800 151588
L to man 03111600 152473
3 or03111800 151588
8 5 1., g wD13 03111600 152473
- 5 0103111800 151588
l ;| 3 w014 03111600 152473
3 or 03111800 151588
M wo15 03111000 152473
2 g g m or 03111800 151588
° n g 11 w016 03111600 152473
a; 3*; E or 03111800 151588
1] wLD1 07250900 TLC-123A
4 g wLDZ 07250900 TLG-123A
g m i $ 2 8 v: __ wLD3 46176900 TLS-123
1" = E W wLD4 07251000 TLY-123
,, a g g > g wLD7 07250900 TLG-123A
8 g 82 g 1} wLDB 07250900 TLG-123A
$$ :4 -- w51 46708100 Push sw., MEMORY ONIOFF
A g W w52 46708100 Push sw., MEMORY PLAY/STOP
g a E 5 w$3 46708100 Push sw., RESET
0 9 n ® 1 n gl w54 46708100 Push sw., MODE
° 2 a 2 ° w55 46708100 Push sw., AMPs
1 8 v , w56 46708100 Push sw., INTRO SCAN
1:; .- 5 E N , wS7 46708100 Push sw., BLANK SEARCH
5 o i a; S 0759 46549500 Push sw., STOP
3 2 3 a: % ws10 46549500 Push sw., >0
0 3 g s o c, 6W ws11 46549500 Push sws, <1 <1
5 o ° - O wS12 46549500 Push sw., REc MUTE
g o w 3.: wS13 46549500 Push sw., FWD PLAY
8 a z a g 3 __ w514 46549500 Push sw., REv PLAY
8 -1 3 s m. w515 46549500 Push sw., REc
g :0 s. § 1117516 46549500 Push sw., PAUSE
51 ,9 ¥ 2:: g wS17 46159500 Push sw., TIMER
i
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