Panasonic SB-MAX770PU User manual

© Panasonic Corporation 2014, All rights reserved.
Unauthorized copying and distribution is a violation of
law.
PSG1402010CE
Speaker System
Model No. SB-MAX770PU
Product Color : (K)... Black Type
TABLE OF CONTENTS PAGE PAGE
1 Specifications ----------------------------------------------------- 2
2 Disassembly and Assembly Instructions ---------------- 3
2.1. Disassembly of Upper Front Panel Assembly------ 4
2.2. Disassembly of Tweeter Speaker (SP1)------------- 5
2.3. Disassembly of Full Range Speaker (SP2) --------- 5
2.4. Disassembly of Full Range Speaker (SP3) --------- 6
2.5. Disassembly of Lower Front Panel Assembly------ 6
2.6. Disassembly of Woofer Speaker (SP4)-------------- 8
2.7. Disassembly of Lighting Wire P.C.B.
Assembly ---------------------------------------------------- 8
3 Wiring Connection Diagram ---------------------------------10
3.1. Front Speakers--------------------------------------------10
4 Exploded View and Replacement Parts List -----------11
4.1. Cabinet Parts Location ---------------------------------11
4.2. Packaging --------------------------------------------------12
4.3. Replacement Parts List ---------------------------------13

2
1 Specifications
Front Speakers
Type 4 way, 4 speaker system (Bass reflex)
Speaker(s)
Super Woofer (Low) 38 cm cone type
Super Woofer (Medium Low) 20 cm cone type
Woofer 10 cm cone type
Tweeter 6 cm cone type
Impedance 3 Ω(High), 3 Ω(Medium Low),
5 Ω(Low)
Output sound pressure 91 dB/W (1 m)
Frequency range 25 Hz to 23 kHz (-16 dB)
30 Hz to 20 kHz (-10 dB)
Dimensions (W x H x D)
With Corner Guard 576 mm x 794 mm x 542 mm
Without Corner Guard 576 mm x 786 mm x 542 mm
Mass (Weight) 37.4 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 ana-
lyzer.

3
2 Disassembly and Assembly Instructions
Caution Note:
• This section describes procedures for checking the operation and replacing the main components.
• For reassembly after operation checks or replacement, reverse the respective procedures.
• Special reassembly procedures are described only when required.
• Before carrying out the disassembly process, please ensure all the safety precautions & procedures are followed.
• During the disassembly and/or assembly process, please handle with care as there may be chassis components with sharp
edges.
• During replacement of component parts, please refer to the section of “Replacement Parts List” as described in the service man-
ual.
• Select items from the following indexes when disassembly or replacement are required.
Front Speakers
• Disassembly of Upper Front Panel Assembly
• Disassembly of Tweeter Speaker (SP1)
• Disassembly of Full Range Speaker (SP2)
• Disassembly of Full Range Speaker (SP3)
• Disassembly of Lower Front Panel Assembly
• Disassembly of Woofer Speaker (SP4)
• Disassembly of Lighting Wire P.C.B. Assembly

4
2.1. Disassembly of Upper Front
Panel Assembly
Step 1 : Remove 4 screws.
Step 2 : Remove the Corner Guard.
Step 3 : Remove 4 screws.
Step 4 : Insert two flathead screwdriver at the sides of the boss
and apply light force to push out the Upper Front Panel Assem-
bly by sequence (1-7) shown.
Caution : Do not exert too much force as it may damage
the Upper Front Panel Assembly.
Step 5 : Detach the (+) and (-) speaker wires.
Step 6 : Remove the Upper Front Panel Assembly.

5
2.2. Disassembly of Tweeter
Speaker (SP1)
• Refer to “Disassembly of Upper Front Panel Assembly”.
Step 1 : Remove 4 screws.
Step 2 : Remove the Tweeter Speaker (SP1).
2.3. Disassembly of Full Range
Speaker (SP2)
• Refer to “Disassembly of Upper Front Panel Assembly”.
Step 1 : Remove 4 screws.
Step 2 : Slightly lift up Full Range Speaker (SP2) as shown.
Step 3 : Detach the (+) and (-) speaker wires.
Step 4 : Remove the Full Range Speaker (SP2).

6
2.4. Disassembly of Full Range
Speaker (SP3)
• Refer to “Disassembly of Upper Front Panel Assembly”.
Step 1 : Remove 4 screws.
Step 2 : Slightly lift up Full Range Speaker (SP3) as shown.
Step 3 : Detach the (+) and (-) speaker wires.
Step 4 : Remove the Full Range Speaker (SP3).
2.5. Disassembly of Lower Front
Panel Assembly
• Refer to “Disassembly of Upper Front Panel Assembly”.
Step 1 : Remove 4 screws.
Step 2 : Remove the Corner Guard.
Step 3 : Remove 2 screws.

7
Step 4 : Insert two flathead screwdriver at the sides of the boss
and apply light force to push out the Lower Front Panel Assem-
bly by sequence (1-9) shown.
Caution : Do not exert too much force as it may damage
the Upper Front Panel Assembly.
Step 5 : Lift up the Himelon.
Caution : Replace the Himelon if they are torn during dis-
assembling.
Step 6 : Detach the 4P Wire Socket.
Step 7 : Remove the Lower Front Panel Assembly.

8
2.6. Disassembly of Woofer
Speaker (SP4)
• Refer to “Disassembly of Upper Front Panel Assembly”.
• Refer to “Disassembly of Lower Front Panel Assembly”.
Step 1 : Remove 8 screws.
Step 2 : Slightly lift up Woofer Speaker (SP4) as shown.
Step 3 : Detach the (+) and (-) speaker wires.
Step 4 : Remove the Woofer Speaker (SP4).
2.7. Disassembly of Lighting Wire
P.C.B. Assembly
• Refer to “Disassembly of Upper Front Panel Assembly”.
• Refer to “Disassembly of Lower Front Panel Assembly”.
Step 1 : Release the 4P wire from the hole of Lower Front
Panel Assembly.
Step 2 : Remove 4 screws.
Step 3 : Remove the Lighting Pieces.

9
Step 4 : Release the 4P wire from the slots.
Caution : During assembling, ensure that the 4P wire is
properly inserted into the slot.
Step 5 : Remove 2 screws.
Step 6 : Remove the Lighting Wire P.C.B. Assembly.

10
3 Wiring Connection Diagram
3.1. Front Speakers