Read Panasonic SB-MAX770PU Service Manual online
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 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.
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
4.2. Packaging --------------------------------------------------12
4.3. Replacement Parts List ---------------------------------13
2
1 Specifications
Front Speakers
Type
Type
4 way, 4 speaker system (Bass reflex)
Speaker(s)
Super Woofer (Low)
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)
30 Hz to 20 kHz (-10 dB)
Dimensions (W x H x D)
With Corner Guard
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.
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
• 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
• 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
Panel Assembly
Step 1 : Remove 4 screws.
Step 2 : Remove the Corner Guard.
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.
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.
Step 6 : Remove the Upper Front Panel Assembly.