Panasonic SB-HC750P Manual de usuario

Type 1 way, 2 speaker system (Bass reflex)

Speaker unit(s) Impedance 6 Ω

1. Full range 6.5 cm (2-1/2”) cone type

2. Full range 6.5 cm (2-1/2”) cone type

Input power (IEC) 250 W* (Max)

Output sound pressure 82 dB/W (1.0 m)

Frequency range 80 Hz - 25 kHz (-16 dB)

96 Hz - 22 kHz (-10 dB)

Dimensions (W x H x D) 270mm x 94mm x 95 mm

1 System Combination 2

1.1. System Breakdown 2

1.2. Packaging Information 2

2 Assembling and Disassembling 3

2.1. Disassembly flow chart 3

2.2. Disassembly of Rear cabinet assembly 4

2.3. Disassembly of Woofer 1 5

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SB-HC750P

Colour

(K)... Black Type

(S)... Silver Type

(10-5/8” x 3-11/16” x 3-3/4”)

Mass 1.3kg(2.9lbs)

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.

* : Rating with low-cut filter equipped amplifier.

2.4. Disassembly of Woofer 2 5

3 Connection of the Speaker Cables 6

4 Connection of the Wiring Diagram 9

5 Exploded view 10

5.1. Cabinet Parts Location 10

6 Replacement Parts List 11

Speaker System

Specification

CONTENTS

Page Page

ORDER NO. MD0702007CE

1 System Combination

1.1. System Breakdown

Note :

The diagrams below show the breakdown for speaker combinations used in main unit systems.

SB-PT750P-K consists of SB-HF750P-K (x2), SB-HS750P-K (x2), SB-HC750P-K (x1) & SB-HW750P-K (x1)

SB-PT650P-S consists of SB-HF650P-S (x2), SB-HS650P-S (X2), SB-HC750P-S (x 1) & SB-HW750P-S (x1)

1.2. Packaging Information

Note :

Please refer to service manual of SB-HF750P-K (MD0702006CE) and SB-HF650P-S (MD0702014CE) to understand the

packaging condition for SB-HC750P-K and SB-HC750P-S.

SB-HC750P

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 the major printed circuit boards and 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

Disassembly of Woofer 2

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.

To assemble the unit, reverse the steps shown in the chart as below.

SB-HC750P

2.2. Disassembly of Rear cabinet

assembly

Step 1: Remove 6 screws.

Step 2: Upset the speaker unit as shown above.

Step 3: Insert steel rule into the bottom corner of the rear

cabinet assembly as arrow shown.

Step 4: Apply light force to push out the front panel as arrow

shown.

Caution:

Do not exert strong force as it may damage the rear cabinet

assembly.

Step 5: Detach the blue (-) wire from woofer 1 and white (+)

wire from woofer 2.

SB-HC750P

2.3. Disassembly of Woofer 1

Follow (step 1) to (step 5) in item 2.2.

Step 1: Detach the blue (+) wire.

Step 2: Remove 4 screws.

2.4. Disassembly of Woofer 2

Follow (step 1) to (step 5) in item 2.2.

Step 1: Detach the blue (-) wire.

Step 2: Remove 4 screws.

SB-HC750P

3 Connection of the Speaker Cables

Be sure to connect speaker cables before connecting the AC power supply cord.

The load impedance of any speaker used with this unit must be 6 Ω.

Be sure to connect the cable from the right speaker to the right terminal and the cable from the left speaker to the left terminal.

1. Twist and pull off the vinyl tip of the speaker cords. If the speaker cords do not have vinyl tips, connect them directly to the

terminals. Make sure the bare ends of the wires are not unravelled.

2. Insert the wire to the rear panel of the unit and close the lever.

Notes :

To prevent damage to circuitry, never short-circuit positive (+) and negative (-) speaker wires.

Be sure to connect only positive (white) wires to positive (+) terminals and negative (blue) wires to negative (-) terminals.

SB-HC750P

Positioning the speakers

SB-HC750P

Note on speaker use

Use only supplied speakers.

Using other speakers can damage the unit, and sound quality will be negatively affected.

You can damage your speakers and shorten their useful life if you play sound at high levels over extended periods.

Reduce the volume in the following cases to avoid damage.

−

− −

− When playing distorted sound.

−

− −

− When the speakers are reverberating due to a record player, noise from FM broadcasts, or continuous signals from an

oscillator, test disc, or electronic instrument.

−

− −

− When adjusting the sound quality.

−

− −

− When turning the unit on or off.

If irregular coloring occurs on your television

The front and center speakers are designed to be used close to a television, but the picture may be affected with some

televisions and setup combinations.

If this occurs, turn the television off for about 30 minutes.

The demagnetizing function of the television should correct the problem.

If it persists, move the speakers further away from the television.

Caution

Do not touch the front netted area of the speakers. Hold by the sides.

e.g. Center speaker

SB-HC750P

4 Connection of the Wiring Diagram

SB-HC750P

5 Exploded view

5.1. Cabinet Parts Location

SB-HC750P

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