Panasonic SA-NS55

n Amplifier Section
RMS OUTPUT POWER both channel
driven simultaneously
10 % Total harmonic distortion
15 W per channel (6 Ω)
Input impedance
MUSIC PORT 12 KΩ
Output impedance
HEADPHONE 16 to 32 Ω
Phone jack
Terminal Stereo, 3.5 mm
Music Port input jack
Terminal Stereo, 3.5 mm
n FM Tuner Section
Frequency range 87.5 to 108.00 MHz (50 kHz step)
Sensitivity 0.10 µV (IHF)
S/N 26 dB 1.20 µV
A
ntenna terminals 75 Ω (unbalanced)
Preset station FM 20 stations
AM 15 stations
n AM Tuner Section
Frequency range 522 to 1629 kHz (9 kHz steps)
520 to 1630 kHz (10 kHz steps)
Sensitivity
S/N 20 dB (at 999 kHz) 1000 µV/m
© 2007 Matsushita Electric Industrial Co. Ltd.. All
rights reserved. Unauthorized copying and
distribution is a violation of law.
SA-NS55E
SA-NS55EG
Colour
(S)... Silver Type
n CD Section
Disc played [8 cm or 12 cm]
(1) CD-Audio (CD-DA)
(2) CD-R/RW (CD-DA, MP3 formatted disc)
(3) MP3
Sampling frequency
CD 44.1 kHz
MP3 32 kHz, 44.1 kHz, 48 kHz
Bit rate
MP3 32 kbps to 384 kbps
Decoding 16/20/24 bit linear
Pickup
Wavelength 785 nm
Beam source Semiconductor laser
Laser power CLASS 1
A
udio output (Disc)
Number of channels 2 channel
Frequency response 20 Hz to 20 kHz (+1, -2dB)
Wow and flutter Below measurable limit
Digital filter 8fs
D/A converter MASH (1 bit DAC)
n USB Section
Playable USB Storage Media
(1) HDD
(2) USB MP3 player/Digital audio player
(3) USB Thumbdrives
CD Stereo System
Specification
ORDER NO. MD0703016CE

Panasonic SA-NS55 Specifications

General

Brand	Panasonic
Model	SA-NS55
Category	Speaker System
Language	English

Summary

Safety Precautions

General Guidelines and Leakage Current Checks

Safety advice, cold/hot leakage current testing procedures, and general servicing guidelines.

Before Repair and Adjustment

Crucial steps before starting any repair or adjustment work, including capacitor discharge.

Protection Circuitry

Explains the unit's protection features and troubleshooting steps for activation.

Safety Part Information

Lists critical safety components that require manufacturer-specified replacement parts.

Prevention of Electro Static Discharge (ESD)

Precaution of Laser Diode

Handling Precautions For Traverse Deck

Grounding for Electrostatic Breakdown Prevention

Self-Diagnosis and Troubleshooting

Service Mode Summary and Tables

Error Code Table

Lists error codes, diagnosis, FL display, and remarks for troubleshooting.

Assembling and Disassembling

Cautions and General Procedures

Cabinet Component Disassembly

PCB Disassembly Procedures

Mechanism and Core Unit Disassembly

Service Positions and Repair Guides

Checking and Repairing IO Port PCBs

Checking and Repairing Core Unit PCBs

Voltage Measurement and Waveform Charts

PCB Voltage Measurement Data

Standard voltage values for various PCBs, including CD Servo, Main, Panel, Power, Transformer, Motor, and USB.

Signal Waveform Chart

Visual representations of key signal waveforms at specific test points for diagnosis.

Wiring Connection Diagram

Block Diagram

CD SERVO OPTICAL PICKUP UNIT

MAINTUNERPANELD PORTMOTORSWITCH Circuits

MAINUSBAUDIOPOWERTRANSFORMERAC INLET Circuits

Schematic Diagrams

CD Servo and Main Circuits

Electronic schematics for CD servo and main processing circuits.

Interface and Peripheral Circuits

Schematics for Panel, Tuner, Audio, D-Port, USB, Motor, Switch, Transformer, and AC Inlet circuits.

Power and Power Supply Circuits

Electronic schematics for the unit's power supply and management circuits.

Terminal Function of ICs

IC7001 Servo Processor Terminal Functions

Detailed pin descriptions and functions for the IC7001 servo processor.

IC7002 Driver and IC807 Microprocessor Terminal Functions

Replacement Parts List