Sansui DA-P500 User manual

SERVICE
MANUAL
DA-T500 Hi-Fi System
AUTOMATIC DIRECT DRIVE TURNTABLE
SANSUI DA-P500
(Silver & Black Model)
- SANSUI ELECTRIC Co.; LTD.
©SPECIFICATIONS
DDO iiccscaese telepiinseiiiemmesiaas Two-speed direct-driven
SHECUS scscccusemin mecauanne 33-1/3, 45 rpm
PERE ssevssisensecsceasccnes nacinaassniseioe’ Aluminum alloy die-cast
304 mm (12%) diameter
4: 0] ec FG Servo DC Motor
Wow and flutter......... 0.038% (W.R.M.S.)
SIN sigescncawiseemenxnnnm Better than 60 dB (IEC-B)
| ee Better than 72 dB (DIN-B)
Tonearm
Tonearm length .......... 220 mm (8-11/16")
OVER ANE: crnenesuravaneinnns 17.5 mm (3/4”)
Applicable cartridge weight
Lipaiieasinaitecsidelbneaaaiteaas 4 to 9g
Cartridge: Model SC-80
Output voltage................ 2.5 mV per channel
(1,000 Hz, 50 mm/sec)
Load impedance.............. 47 kQ
Tracking force................ 2.58
Dimensions ...............0..5. 430 mm (16-29/32”) W
120 mm (4-23/32") H
360 mm (14-3/167) D
Weight ......0.......0....... 3.8 kg (8.4 Ibs) net
4.6 kp (10.1 tbs) packed
Power conumption..........2.5W (DC 15V)
*
Design and specifications subject to changes without
notice for improvements.

CAUTION
1. Some printed circuit boards are not supplied as the assembied.
To separate these in this service manual, the stock No’s are not in-
dicated at the ends of the board names. However, the individual parts
on the circuit boards are provided by orders.
2. 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.
3. Abbreviations in this service manual are as follows.
-- eAbbreviations List os pa payee
C.R. : Carbon Resistor EB, : Bi-Polar Electrolytic
S.R. : Solid Resistor Capacitor
Ce.R. : Cement Resistor E.B.L. : Low Leak Bi-Polar
M.R. : Metal Film Resistor Electrolytic Capacitor
FR. : Fusing Resistor Ta.C. : Tantalum Capacitor
N.ILR. : Non-Inflammable Resistor Ec. : Film Capacitor
A.R. : Array Resistor M.P. : Metalized Paper Capacitor
C.C. : Ceramic Capacitor PC. : Polystyrene Capacitor
Os : Ceramic Capacitor, G.C. —: Gimmic Capacitor
Temoerature Compensation A.C. : Array Capacitor
EG : Electrolytic Capacitor V.R. : Variable Resistor
E:L. : Low Leak Electrolytic S.V.R. : Semi Variable Resistor
Capacitor SW. : Switch

1. PARTS LOCATION & PARTS LIST
1-1. S-0121 Motor Control Circuit Board
Component Side
Parts List _
Parts No. Stock No.
Transistor
eQ1 46359701
eQ2 46359701
eQ3 46359701
eQ4 46359701
eQ5 46359801
eQ6 46359801
eQ7 46359801
eQ8 46359801
eQ9 46367401
or 46367001
or 46367201
eQ10 46367401
or 46367001
or 46367201
eQ11 46367401
or 46367001
or 46367201
eQ12 46367401
or 46367001
or 46367201
Description
2SA952
2SA952
2SA952
2SA952
25C2001
2SC2001
2SC2001
2SC2001
2SA733A
2SA1115
2SA1048
25A733A
2SA1115
2SA1048
2SA733A
2SA1115
25A1048
2SA733A
2SA1115
2S5SA1048
Parts List
Parts No.
eZener Diode
eDZ1
eR41
ec]
eC2
eVR1
eVR2
eVR3
Stock No
: Description
46113900
46639000
08451100
08451100
46366600
07241700
07241000
OoZt2-¥
240kQ 1/4W MLR.
22uF 16V E.B.
22uF 16V E.B.
100kQ (B) S.V_R.,
speed adj.
33-1/3 rpm
200kQ (B) S.V.R.,
speed adj. 45 rpm
TKOMB} S.V-R.,
wow & flutter adj.
1-2. S-0189 Speed SW. Circuit Board
Com ponent Side’
0189
GCMK-35EHB
Parts List
Parts No. Stock No. Description
e€Q13 46367401 2SA733A
or 46367001 2SA1115
or 46367201 2SA1048
e014 46367501 2SC945A
or 46367101 2SC2603
or 46367301 2S5C2458
eQ15 46367501 2SC945A
or 46367101 2SC2603
or 46367301 2SC2458
eQ16 46614001 2SA1283
eQ17 46367402 2SA733A
or 46367001 2SA1115
or 46367201 2SA1048
elC
elC1 46354301 H-300BC
or 46354302 H-300BC
elC2 46354301 H-300BC
or 46354302 H-300BC
elC3 46354400 BA6301
Parts List
Parts No. Stock No. Description
gSW1 46368500 Push SW., SPEED

2. OTHER PARTS
2-1. Front View
AOS
OWE 94 SSIS
Mee Scopes
SLE
2-2. Top View
(Auto Return Adjustment Screw)

Bottom View
eVR1(33rpm)
eVR2(45rpm)
Parts List <Front View/Top View>
Parts No. Stock No. Description
1 13012300 45 r.p.m Adaptor
2 00489400 E Ring 56m main gear
3 13017200 Main Gear
3-1 — Lower Trip
3-2 — Upper Trip
3-3 51822900 CS Type Washer, 3¢
4 13136400 Reject Arm
5 13143400 Tension Spring, reject arm
6 46368500 Push SW., SPEED
7 47393200 Push Knob, SPEED
8 13234800 Indicator Case Cover
9 13235000 Indicator Plate
10 13164300 Indicator Holder
Ta 137142100 Push Knob, CUT (Silver Model)
13142200 Push Knob, CUT (Black Model)
12 13176300 Tone Arm Ass‘y
13 13176700 Main Weight Ass’y
14 13013500 Lifter Knob
15 13138300 Lifter Lever Ass’y
16 13138700 Arm Rest
17 13138500 Fook, arm rest
13 13167700 Binding Head Tapping Screw,
M2x5
19 13138200 Lifter Plate
20 13035600 Spring, 5.3¢ x 10 mm (C)
21 13035700 Spring, 9.36 x 14 mm (E)
22 00466500 P Type Washer 3¢ x 10
23 13011600 Elevation Chip
24 13038010 Binding Head Tapping Screw
M3 x 16
25 50624800 Cap for auto return adjustment
26 13140800 Turntable Sheet
a 13147210 Turntable Platter
28 13176600 Head Sheel Ass’y
29 13198200 Cartridge, SC-80
30 13198100 Stylus, SN-80
31 61921500 Screw Assy
Parts List < Bottom View>
I
(DC 15V)
Parts No. Stock No. Description
1 11602500 Micro Switch
2 13143710 Screw, micro switch
3 13038010 Pan Head Tapping Screw M3 x 16
(Adjusting Screw)
4 69034400 Spring, PU Plate
5 13143000 Push Pin
6 13038210 Screw, Slide arm
7 00467100 P Type Washer 5¢ x 10x 1.0
8 13051900 Steel Ball 5@
9 13136700 Reject Lever (3)
10 13038300 Reject Lever (1)
ee 07254700 Strain Relief
12 13234400 PU Output Cord
13 13234300 DC Power Cord
14 18028700 SSD703A DD Motor Ass’y with
control circuit board (S-0121)
ae) 08320700 Brazier Head Tapping Screw
M4x 12
13153500 Insulator

3. BLOCK DIAGRAM
45rpm---6.3V
33rpm---5.6V
ree 33/45
FG 7 9
out
2 ;
(S-Ol2!)
|
me
eQia eQis
Parttern drawing motor section
($0121 Motor Control Circuit Board)
Pattern
a?
: <BA-6301>
16 «15
' {
Motor is {i Motor
Oriving Coil! \ : ' Drivig Coil
‘
/
, \ + Driving Cot
\
\! ui
Driving Coil
L3
ST a
~~
a
4. ADJUSTMENTS <For this Adjustments, combined model DA-T500 or regulated DC power
supply is required. >
4-5. Speed Adjustment
e Preseting
If DA-T500 is used, connect DC power cord of the unit to DC OUT
See Bottom View on page 4.
jack of DA-T500.
If regulated DC power supply is used, connect it to the unit as Bot-
Strobo marking pattern
tom view on page 4.
4-1. Adjustment of the Auto Return KVRI
1) The adjusting screw in top view is one to adjust the position of Auto (S-0121) appears to stand still,
kVR2 Same as above
. Return when stylus reaches lead-out groove.
2) Make adjustment of the screw in such a way that stylus lifts up au-
tomatically around the middle way of lead-out groove. (S-0121)
eee i asa ; ——
Namely turn the adjusting screw clockwise is for leading and coun Note: Set kVR3 (S-0121) center position.
terclockwise if for lagging.
After adjusting the screw properly, check its operation a few times.
3)
4-2. Adjustment of the Clearance between PU plate
and Micro Switch
After replacing the micro switch, adjust the clearance between PU plate
and micro switch (See Fig. 4-1) to be approximately 0.3 mm at the
tonearm on the arm rest by the clearance adjusting cam.
Fig. 4-1
PU Plate
4-3. Adjustment of the main gear
When the main gear makes abnormal mechanical noise caused by Recs
touching to the pinion gear during playing record disc, adjust its posi- \
tion with cam 2 to make even clearance between the circuilar arc por- of
tion of the main gear and the pinion gear. | \ prsseeeeuact
\ Pa
4-4. Adjustment of cartridge mounting position ; Ne es
Fig. 4-2 ede these
fy Center
Pinion Gear", aD i choft
“ae (DD Motor)
Adjust the cartridge mounting position as shown in Fig. 4-2.
K-11 mm

5. SCHEMATIC DIAGRAM
eR34 20k
(45r.p.m, 67. SH2)}
EG ae
S le
330,
— -3
687 Ii
eic3 BA63OI
oa
9 10 ile
14
eR35 27k
eR3B8 47k
13
*Design and specifications subject to change without notice for improvement.
*La presention et les spécifications sont susceptibles d'étre modifiées sans préavis par suites d’améliorations éventuelles.
*Anderungen, die dem technischen Fortschritt dienen, bleiben vorbehalten.
eVR2 200k
eR4! 240k
eR30 470k
ee eVR! 100k(8)
R28 12k
eR27 680
eR29 56k
SS eeeeeeeeseseses
eR43 10k
a
eR20 |. 2k
eQl~ 4 eSA952 M,L RESISTORS
eQ5~ 8 2sC200! M,L Are in ohms, 1/4 Wotts + 5% Tolerance
eQg~l2 2SA733A Q,P Unless Otherwise Noted. k:kQ, M: MQ
2SAINS £,F CAPACITORS
2SAIO048 Y,GR Are in pF, Unless Otherwise Noted. P:pF
eQI3 2SA733A P
2SAINS F SYMBOL
2SAIO048 GR A Ceromic
eQ!4 15 2SC945A P AT Ceramic (Temperature Compensation)
2SC2603 F OF Ceramic (Feed Through)
2SC2458 GR -) Low-Leok Electrolytic
eQl6 2SAI283 E (B.P) Bi- Polor Electrolytic
eQi7 2SA733A P O(B,P) Low-Leok Bi-Polar Electrolytic
2SAIIIS F (To) Tantalum Electrolytic
2SAI048 GR © Film
@(m) Mylor
@i(p.c) Polycorbonate
©(p.p) Polypropylene
© Metalized Poper
@ Polystyrene
A Gimmic
Mic Mica
0.C Oil
Each D.C. Voltage meosured by the
instruments discribed below shows
the nominal vatue in volts at 33!/3r.p.m
Measuring instruments
Volt Meter DC 20k2/V, AC IkQ/V |
Osciloscope SMHz |
2SA733
2SA952
2SA1015
25A 1048
-2SA1115
25A1283
25C2001
28C2458
25C945A
Micro SW.
DC Power Cord
3

6. PACKING LIST
UL LS ae en dee nee ra eer
Parts No. © Stock No.
7. ACCESSORY LIST
Description Stock No Description
|
_
Protector
Board
13142600.
Auto
Hinge,
dust
cover
Ass’y
Z
13142400
Dust
Cover
Ass’y
7
13176700
Main
Weight
Ass‘y
S38
-—
Polyethylene
Bag,
dust
cover.
aarti
ea
Sele
a
ieee
a
3
Ass’y
|
eNote:
There
are
two
types
of
unit
in
DA-P500.
—
|
“A
13140800
Turntable
Sheet
| |
1)
The
unit
with
a
Dust
Cover
Ass’y.
5
13147210
Turntable
Platter
2)
The
unit
without
a
Dust
Cover
Ass'y.
6
91166000
Polyethylene
Bag,
turntable
Platter
(“M"
mark
is
indicated
on
the
Carton
Case.)
7
13170400
Styrofoam
Packing,
front
| | |
8 13170500 —- Styrofoam Packing, rear
g _ Accessories Cover
10 91122710 Polyethylene bag, turntable unit
11 13234100 Carton Case (DA-P500) <Silver
Model >
13234200 Carton Case (DA-P500) < Black
Sate. Model> _
13236200 . Carton Case (DA-P500 M )
| | < Silver Model >
13236300 Carton Case (DA-P500 M )
<Black Model >
14-1, Izumi 2-chome, Suginami-ku, Tokyo 168 Japan
PHONE: [phone]/TELEX: 232-2076 (international Division)
1250 Valley Brook Ave. Lyndhurst, N.J. 07071 U.S.A. |
17150 South Margay Ave. Carson, California 90746 U.S.A.
_ SANSUI ELECTRONICS CORPORATION:
_ 3306 Koapaka 5t. Honolulu, Hawaii 96819 U.S.A.
LE D.: Unit 10A, Lyon Industrial Estate, Rockware Avenue, Geenford, Middx UB6, OAA, England
Pau Ehrich Strasse 8, 6074 Rodermark 2, West Germany
. (SM1-115) 0 Printed in Japan <Stock No. 36484700>_
SANSUI ELECTRONICS (U.K.)
SANSUI ELECTRONICS G.M.B.H