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PDF SB-WA530EB Data sheet ( Hoja de datos )
| Número de pieza | SB-WA530EB | |
| Descripción | Active Subwoofer System Service Manual | |
| Fabricantes | Panasonic | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de SB-WA530EB (archivo pdf) en la parte inferior de esta página. Total 31 Páginas | ||
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ORDER NO. MD0502044C2
Active Subwoofer System
SB-WA530EB
Colour
(S)... Silver Type
Specification
n Active subwoofer
Type
Speaker unit(s)
1. Woofer
2. Woofer
Output sound pressure level
Frequency range
Dimensions (W x H x D)
Mass
n General
Power consumption
1 way, 2 speaker system, Bass
reflex
13 cm Cone type, 4Ω
13 cm Cone type, 4Ω
80 dB/W (1.0 m)
40 Hz-220 Hz (-16 dB)
45 Hz-180 Hz (-10 dB)
201.5 x 368.2 x 491.5 mm
11.3 kg
Power supply
AC 230-240V, 50Hz
Note :
Specifications are subject to change without notice.
Mass and dimensions are approximate.
n System : SC-HT530(EB)
Music Center : SA-HT530(EB)
Satellite Speakers : SB-HT530(EB)
Active Subwoofer : SB-WA530(EB)
250 W
CONTENTS
1 Safety Precautions
1.1. GENERAL GUIDELINES
2 Caution for AC Mains Lead
3 Handling the Lead-free Solder
3.1. About lead free solder (PbF)
Page
3
3
4
5
5
4 Before Repair and Adjustment
5 Protection Circuitry
6 Connection of the Speaker Cables
7 Disassembly Procedure
7.1. Disassembly flow chart
Page
5
5
6
7
7
© 2005 Matsushita Electric Industrial Co. Ltd.. All
rights reserved. Unauthorized copying and
distribution is a violation of law.
Free Datasheet http://www.Datasheet4U.com
1 page  
SB-WA530EB
3 Handling the Lead-free Solder
3.1. About lead free solder (PbF)
Distinction of PbF P.C.B. :
P.C.B.s (manufactured) using lead free solder will have a PbF stamp on the P.C.B.
Caution:
· Pb free solder has a higher melting point than standard solder. Typically the melting point is 50 - 70°F (30 - 40°C) higher.
Please use a high temperature soldering iron. In case of the soldering iron with temperature control, please set it to 700 ± 20°F
(370 ± 10°C).
· Pb free solder will tend to splash when heated too high (about 1100°F/600°C).
· When soldering or unsoldering, please completely remove all of the solder on the pins or solder area, and be sure to heat the
soldering points with the Pb free solder until it melts enough.
4 Before Repair and Adjustment
Disconnect AC power, discharge Power Supply Capacitors C546~C549 through a 10 Ω, 1 W resistor to ground.
DO NOT SHORT-CIRCUIT DIRECTLY (with a screwdriver blade, for instance), as this may destroy solid state devices.
After repairs are completed, restore power gradually using a variac, to avoid overcurrent.
Current consumption at AC 230~240V, 50Hz in NO SIGNAL mode should be ~410 mA.
5 Protection Circuitry
The protection circuitry may have operated if either of the following conditions are noticed:
· No sound is heard when the power is turned on.
· Stops during a performance.
The function of this circuitry is to prevent circuitry damage if, for example, the positive and negative speaker connection wires are
“shorted”, or if speaker systems with an impedance less than the indicated rated impedance of the amplifier are used.
If this occurs, follow the procedure outlines below:
1. Turn off the power.
2. Determine the cause of the problem and correct it.
3. Turn on the power once again after one minute.
Note:
When the protection circuitry functions, the unit will not operate unless the power is first turned off and then on again.
5
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5 Page 
SB-WA530EB
7.2.5. Disassembly of the Rear Panel and
Fan Unit
Follow Step (1) to Step (5) described in section 7.2.4.
Step 3: Pull out the Power Amp Unit slightly as shown.
Step 1 & 2: Remove 7 screws from the rear panel.
Step 4: Disconnect connector CN506.
Step 3: Disconnect the connector (CN507) to detach the rear
panel.
Step 5: Pull out the entire Power Amp Unit.
Step 4: Remove 4 screws from the rear panel.
11
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11 Page | ||
| Páginas | Total 31 Páginas | |
| PDF Descargar | [ Datasheet SB-WA530EB.PDF ] | |
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