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SB-NS55P Series
Panasonic SB-NS55P Series User Manual
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10.6. Checking
and
Repairing
Main
P.C.B.
41
SA-NS55E
/
SA-
NS55
EG
40
42
Table of Contents
Default Chapter
2
Table of Contents
2
1 Safety Precautions
4
General Guidelines
4
Before Repair and Adjustment
5
Protection Circuitry
5
Safety Part Information
5
2 Prevention of Electro Static Discharge (ESD) to Electrostatically Sensitive (ES) Devices
6
3 Precaution of Laser Diode
7
4 Handling Precautions for Traverse Deck
8
5 Handling the Lead Free Solder
9
General Description about Lead Free Solder (Pbf)
9
6 Accessories
10
7 Operation Procedures
11
Main Unit Key Buttons Operation
11
Remote Control Key Buttons Operation
11
Disc Information
12
8 Self Diagnosis and Special Mode Setting
13
Service Mode Summary Table
13
Service Mode Table
13
Error Code Table
16
9 Assembling and Disassembling
17
Caution
17
Disassembly Flow Chart
18
Main Parts Location Diagram
19
Disassembly of Top Cabinet Unit
20
Disassembly of D-Port and HP / Music Port
21
Disassembly of USB P.C.B
21
Disassembly of Tuner Pack
22
Disassembly of Rear Cabinet Unit
23
Disassembly of Power and AC Inlet P.C.B
23
Disassembly of Transformer
24
Disassembly of Front Panel
25
Disassembly of Panel P.C.B
25
Disassembly of Main P.C.B
26
Disassembly of Switch P.C.B
26
Disassembly of Motor P.C.B
27
Disassembly of Gear Box
28
Disassembly of CD Loading Block
28
Disassembly of CD Mechanism
30
Disassembly of Traverse Unit, Driving Gear, and Cam Gear (CD Mechanism Unit)
32
10 Service Positions
36
Checking and Repairing of HP / Music Port, D-Port and USB (Side B)
36
Checking and Repairing of Panel P.C.B
37
Checking and Repairing of Switch and Motor P.C.B
38
Checking and Repairing Transformer P.C.B
39
Checking and Repairing Power and AC Inlet P.C.B
40
Checking and Repairing Main P.C.B
41
Checking and Repairing CD Servo P.C.B
42
11 Voltage Measurement & Waveform Chart
43
Voltage Measurement
43
Waveform Chart
48
12 Wiring Connection Diagram
49
13 Block Diagram
51
CD Servo/ Optical Pickup Unit
51
Main(1/2)/ Tuner Extent/ Panel/ D Port/ Motor/ Switch
52
Main(2/2)/ Usb Module/ Hp/Music Port/ Power/Transformer/ Ac Inlet
53
Notes of Schematic Diagram
55
15 Schematic Diagram
57
CD Servo Circuit
57
Main Circuit
58
Panel Circuit
61
TUNER EXTENT CIRCUIT, HP / MUSIC PORT CIRCUIT and D-PORT CIRCUIT
62
Usb Circuit
63
Power Circuit
64
MOTOR CIRCUIT and SWITCH CIRCUIT
65
TRANSFORMER CIRCUIT and AC INLET CIRCUIT
66
16 Printed Circuit Board
67
CD SERVO P.C.B and USB P.C.B
67
TUNER EXTENT P.C.B, MAIN P.C.B, HP/MUSIC PORT P.C.B and MOTOR P.C.B
68
PANEL P.C.B and D-PORT P.C.B
69
POWER P.C.B, SWITCH P.C.B, TRANSFORMER P.C.B and AC INLET P.C.B
70
17 Illustration of IC's, Transistors and Diodes
71
18 Terminal Function of IC's
72
Ic7001 (Mn6627954Ma) IC Servo Processor/Digital Signal Processor/Digital Filter D/A Converter
72
IC7002 (BA5948FPE2) IC 4CH Drive
73
Ic807 (Mn101Ef16Zxw) Microprocessor
73
19 Exploded Views
75
Cabinet Parts Location & Traverse Part Location
75
Packaging
77
20 Replacement Parts List
79
4
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Panasonic SB-NS55P Series Specifications
General
Brand
Panasonic
Model
SB-NS55P Series
Category
Speaker System
Language
English
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