Panasonic SB-HC250E Service Manual ▷ View online
Type
2 way, 2 speaker system (Bass reflex)
Speaker unit(s)
Impedance 3
Ω
Full range
6.5 cm cone type
Full range
6.5 cm cone type
Input power (IEC)
125* W (Max)
Output sound pressure
81 dB/W (1.0 m)
Cross over frequency
5 kHz
Frequency range
105 Hz to 25 kHz (-16 dB)
125 Hz to 22 kHz (-10 dB)
SB-HC250E
Colour
(S)... Silver Type
Dimensions (W x H x D)
270 x 92 x 95.4 mm
Mass
1.25 kg
Notes :
1. Specifications are subject to change without notice.
Mass and dimensions are approximate.
2. Total harmonic distortion is measured by the digital spectrum
analyzer.
analyzer.
Speaker System
Specification
ORDER NO. MD0704023CE
1 System Combination
1.1. System Breakdown
Note :
The tables below show the breakdown for speaker combinations used in main unit systems.
1.1.1. For SB-HC250E-S
System SC-PT250E-S
Music center
Music center
SA-PT250E-S
Front speaker
SB-HF250E-S
Surround speaker
SB-HS250E-S
Center speaker
SB-HC250E-S
Subwoofer
SB-HW250E-S
System SC-PT250EE-S
Music center
Music center
SA-PT250EE-S
Front speaker
SB-HF250E-S
Surround speaker
SB-HS250E-S
Center speaker
SB-HC250E-S
Subwoofer
SB-HW250E-S
System SC-PT250EG-S
Music center
Music center
SA-PT250EG-S
Front speaker
SB-HF250E-S
Surround speaker
SB-HS250E-S
Center speaker
SB-HC250E-S
Subwoofer
SB-HW250E-S
System SC-PT250GC-S
Music center
Music center
SA-PT250GC-S
Front speaker
SB-HF250E-S
Surround speaker
SB-HS250E-S
Center speaker
SB-HC250E-S
Subwoofer
SB-HW250E-S
System SC-PT250GCP-S
Music center
Music center
SA-PT250GCP-S
Front speaker
SB-HF250E-S
Surround speaker
SB-HS250E-S
Center speaker
SB-HC250E-S
Subwoofer
SB-HW250E-S
Note: SB-PT250E-S consists of SB-HF250E-S (x2), SB-HS250E-S (x2), SB-HC250E-S (x1)
System SC-PT250GCSS-S
Music center
Music center
SA-PT250GCSS-S
Front speaker
SB-HF250E-S
Surround speaker
SB-HS250E-S
Center speaker
SB-HC250E-S
Subwoofer
SB-HW250E-S
System SC-PT250GCTS-S
Music center
Music center
SA-PT250GCTS-S
Front speaker
SB-HF250E-S
Surround speaker
SB-HS250E-S
Center speaker
SB-HC250E-S
Subwoofer
SB-HW250E-S
System SC-PT250GS-S
Music center
Music center
SA-PT250GS-S
Front speaker
SB-HF250E-S
Surround speaker
SB-HS250E-S
Center speaker
SB-HC250E-S
Subwoofer
SB-HW250E-S
1.2. Packaging information
Note :
For more information on the packaging condition for SB-HC250E-S, please refer to service manual of SB-HF250E-S
(MD0704022CE).
(MD0704022CE).
2
SB-HC250E
2 Assembling and Disassembling
“ATTENTION SERVICER”
Some chassis components may have sharp edges. Be careful when disassembling and servicing.
1. This section describes procedures for checking the operation of replacing the main components.
2. For reassembly after operation checks or replacement, reverse the respective procedures.
Special reassembly procedures are described only when required.
3. Select items from the following index when checks or replacement are required.
4. Refer to the Parts No. on the page of “Parts Location and Replacement Parts List” (Section 6), if necessary.
Below is the list of disassembly sections
•
Disassembly of Rear cabinet assembly
•
Disassembly of Woofer 1 (SP1)
•
Disassembly of Woofer 2 (SP1)
•
Disassembly of Terminal jack
2.1. Disassembly flow chart
The following chart is the procedure for disassembling the casing and inside parts for internal inspection when carrying out the
servicing.
servicing.
To assemble the unit, reverse the steps shown in the chart as below.
3
SB-HC250E
2.2. Disassembly of Rear cabinet
assembly
Step 1: Remove 6 screws.
Step 2: Upset the speaker unit as shown above.
Step 3: Insert a steel rule into the top corner of the rear cabinet
assembly as arrow shown.
assembly as arrow shown.
Step 4: Apply light force to push out the front panel as arrow
shown.
shown.
Caution:
Do not exert strong force as it may damage the rear cabinet
assembly.
assembly.
Step 5: Detach the red (+) and gray (-) wires.
Step 6: Remove rear cabinet assembly as arrown shown.
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SB-HC250E