Panasonic SL-BD20D Service Manual
Panasonic SL-BD20D Manual
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- Panasonic SL-BD20D | Service Manual - Page 1
ORDER NO. HAD8602356C0 Service Manual DC Servo Automatic Turntable System Turntable System SL-BD20 .17 Color (S) (K) Silver Type Black Type Color (S) (K) [M] (S) (K) [MC] (S) 1 kHz Technics Matsushita Services Company 50 Meadowland Parkway, Secaucus, New Jersey 07094 Panasonic Sales Company, - Panasonic SL-BD20D | Service Manual - Page 2
. ■ CONTENTS SAFETY PRECAUTION LOCATION OF CONTROLS DISASSEMBLY INSTRUCTIONS MEASUREMENTS AND ADJUSTMENTS SCHEMATIC DIAGRAM Page 2 3 3- 5 6 7 Page CIRCUIT BOARD AND WIRING CONNECTION DIAGRAM .. 8 TROUBLESHOOTING 9 EXPLODED VIEW 10 --12 REPLACEMENT PARTS LIST 12, 13 PACKING 14 ■ SAFETY - Panasonic SL-BD20D | Service Manual - Page 3
OF CONTROLS Hinge null O SL-BD20 45-rpm adaptor Hinge Center spindle Turntable mat Turntable platter Turntable base Speed selector Arm rest Tonearm Cartridge * The cartridge for U.S.A. and Canada shown here is an option. Stop switch Cueing control • DISASSEMBLY INSTRUCTIONS Ref. No 1 Procedure - Panasonic SL-BD20D | Service Manual - Page 4
SL-BD20 Ref4. No How to remove the bottom board Procedure 3 0 4 1. Turn over the unit on a soft cloth. 2. Remove the 5 setscrews (0 - 0) 0 i.O 4 v© © -.. Ref. No 6 Procedure 3 0 4 1 6 How to - Panasonic SL-BD20D | Service Manual - Page 5
becomes too short, or if the cueing cam is replaced, apply silicon oil (Part No. SZZOL11) according to the following procedure. 1. Remove the cueing cam. oil Ref. No 11 Procedure 3 0 4 0 11 How to remove the turntable drive motor 1. Unsolder the terminal (FC101). 2. Remove the motor from cabinet. - Panasonic SL-BD20D | Service Manual - Page 6
• MEASUREMENTS AND ADJUSTMENTS SL-BD20 ADJUSTMENT OF THE AUTOMATIC-RETURN POSITION Make this . 5-7mm To lower II.I To raise Disc Adjustment screw ADJUSTMENT OF THE ROTATING SPEED When the turntable drive motor or the variable resistors (VR101, 102) are changed, or if the rated rotation is - Panasonic SL-BD20D | Service Manual - Page 7
• SCHEMATIC DIAGRAM SL-BD20 FC2 To Power values are of the reference voltage for the turntable rotation of this unit, measured by a DC manufacturer's specified parts. 6. VR101 any time with the development of new technology. • Terminal guide of diode SVD1SR35200V K A K A • Block diagram - Panasonic SL-BD20D | Service Manual - Page 8
SL-BD20 • CIRCUIT BOARD AND WIRING CONNECTION DIAGRAM • For U.S.A., Canada, United Kingdom, Australia and Continental Europe. R 102 (45rpm (-33P 3 , P (SIDI DI ID2 RIO) SPEED AC IN - Panasonic SL-BD20D | Service Manual - Page 9
■ TROUBLESHOOTING No sound comes out. Check the resistance at output pin plug (left ► Check if sequently connected to amplifier or check amplifier. Turntable does not rotate. AC power plug is connected? Belt is set over the turntable capstan? Power source circuit 1. AC 10V between FC2 terminals - Panasonic SL-BD20D | Service Manual - Page 10
• EXPLODED VIEW • Cabinet and chassis parts 1 1 2 i A 6 7 - B 2 2 C 3 D 4 E 5 F SL-BD20 3 i 4 5 i 6 i 7 8 9 Ti 9 ,28 35- 8 .10 36 -37 N3 9 31 11-L 13- 12 14 Sip' 21 N 7 22 6 18 - N3 RZZOk..05 N3 vR101 V'102 19- N324- - Panasonic SL-BD20D | Service Manual - Page 11
silver types. 5. Bracketed indications in Ref. No. columns specify the area. Parts without these indications can be used for all areas. 6. The "C)" mark is service standard parts and may differ from production parts. 7. The parenthesized numbers in the column of description stand for the quantity - Panasonic SL-BD20D | Service Manual - Page 12
FUSE F1 [XA] only XBA2C005T1B 250V, T50mA CABINET AND CHASSIS PARTS 1 SFADZ15R01 Dust Cover (1) 2 SFGZD04N01 Rubber Cushion, Dust Cover (2) 3 SFTGB93M01 Turntable Mat (1) 4 SFTEB83M01 Turntable (1) 5 SJY90080-1 Belt (1) 6 SMILBD20-SM Motor (1) 7 SHGB7 Rubber Cushion, Motor - Panasonic SL-BD20D | Service Manual - Page 13
SL-BD20 ■ PACKING P4 Turn to right and attach (2 Attach the pad. P10 pieces) 00 000 0 P5 O 1. Place the unit (with cushions attached) as illustrated. 2. Fold
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ORDER
NO.
HAD8602356C0
Service
Manual
DC
Servo
Automatic
Turntable
System
Color
(S)
Si
lver
Type
(K)
Black
Type
1413
carrying
this
mark
are
interchangeable
and
compatible
with
each
other.
.1
7
is
the
standard
mark
for
plug
-in
-connector
system.
Products
SPECIFICATIONS
■
TURNTABLE
SECTION
Type:
Features:
Drive
method:
Motor:
Drive
control
method:
Turntable
platter:
Turntable
speeds:
Wow
and
flutter:
Rumble:
Automatic
turntable
Auto
-return
Auto
-stop
Belt
drive
DC
motor
DC
servo
control
Aluminum
die-cast
Diameter
31.2
cm
(12-9/32")
33-1/3
rpm
and
45
rpm
0.045%
WRMS
(JIS
C5521)
±0.06%
Weighted
zero
to
peak
(IEC
98A
weighted)
—70
dB
DIN
-B
(IEC
98A
weighted)
■
TONEARM
SECTION
Type:
Static
-balanced
straight
tonearm
Plug
-in
-connector
cartridge
system
Overhang:
15
mm
(19/32")
Effective
length:
230
mm
(9-1/16")
Technics
Turntable
System
SL-BD20
Color
Areas
(S)
(K)
(S)
(K)
(S)
(K)
(S)
(K)
(S)
(K)
(S)
(K)
(S)
(K)
(S)
(K)
(S)
(K)
(S)
(K)
(S)
(K)
(S)
(K)
[M]
U.S.A.
[MC]
Canada.
[E]
Switzerland
and
Scandinavia.
[EK]
United
Kingdom.
[XL]
Australia.
[EG]
F.R.
Germany.
[EB]
Belgium.
[EH]
Holland.
[EF]
France.
[Ei]
Italy.
[EC]
Czechoslovakia.
[XA]
Southeast
Asia,
Oceania,
Africa,
Middle
Near
East
and
Central
South
America.
Tracking
error
angle:
Effective
mass:
Stylus
pressure:
Applicable
cartridge
weight:
Phono
cable
capacitance:
Within
2°32'
at
outer
groove
of
30
cm
(12")
disc
within
0°32'
at
inner
groove
of
30
cm
(12")
disc
13.5
g
(including
cartridge)
1.25
g
(Fixed)
6g
90
pF
■
CARTRIDGE
SECTION
(Except
for
U.S.A.
and
Canada.)
Type:
Frequency
response:
Output
voltage:
Channel
separation:
Channel
balance:
Matsushita
Services
Company
50
Meadowland
Parkway,
Secaucus,
New
Jersey
07094
Panasonic
Sales
Company,
Division
of
Matsushita
Electric
of
Puerto
Rico,
Inc.
Ave.
65
De
Infanteria,
KM
9.7
Victoria
Industrial
Park
Carolina,
Puerto
Rico
00630
Moving
magnet
stereo
cartridge
10
Hz
30
kHz
2.5
mV
at
1
kHz,
5
cm/s.
zero
to
peak
lateral
velocity
22
dB
at
1
kHz
Within
2
dB
at
1
kHz
Panasonic
Hawaii,
Inc.
91-238,
Kauhi
St.
Ewa
Beach
P.O.
Box
774
Honolulu,
Hawaii
96808-0774
Matsushita
Electric
of
Canada
Limited
5770
Ambler
Drive,
Mississauga,
Ontario,
L4W
2T3
Matsushita
Electric
Trading
Co.,
Ltd.
P.O.
Box
288,
Central
Osaka
Japan