Panasonic SA-PM31PC User Manual

n Amplifier Section
Power output
10% Total harmonic distortion
60 Hz - 3 kHz, both channels driven
(Low channel) 35 W per channel (6 Ω)
3 kHz - 16 kHz, both channels driven
(High channel) 35 W per channel (6 Ω)
Total Bi-Amp power 70 W per channel
Power output
10% Total harmonic distortion
1 kHz, both channels driven
(Low channel) 40 W per channel (6 Ω)
8 kHz, both channels driven
(High channel) 40 W per channel (6 Ω)
Total Bi-Amp power 80 W per channel
Output Impedance
Headphone 16 Ω -32Ω
n FM Tuner Section
Frequency range 87.5 MHz - 108.0 MHz
(100 kHz steps)
87.9 MHz - 107.9 MHz
(200 kHz steps)
Sensitivity 1.02 µV (IHF)
S/N 26 dB 1.00 µV
A
ntenna terminal(s) 75 Ω (unbalanced)
© 2004 Matsushita Electric Industrial Co. Ltd.. All
rights reserved. Unauthorized copying and
distribution is a violation of law.
SA-PM31P
SA-PM31PC
Colour
(S)... Silver Type
n AM Tuner Section
Frequency range 520 kHz - 1710 kHz (10 kHz
steps)
Sensitivity
S/N 20 dB (at 1000 kHz) 900 µV/m
n Cassette Deck Section
Track system 4 track, 2 channel
Heads
Record/playback Solid permalloy head
Erasure Double gap ferrite head
Motor DC servo motor
Recording system AC bias 100 kHz
Erasing system AC erase 100 kHz
Tape speed 4.8 cm/s
Overall frequency response (+3 dB, -6 dB at DECK OUT)
NORMAL (TYPE I) 35 Hz - 14 kHz
S/N RATIO 42.64 dB (A weighted)
Wow and flutter 0.08% (WRMS)
Fast forward and rewind time Approx. 120 seconds with C-60
cassette tape
n CD Section
Disc
CD Stereo System
Specification
ORDER NO. MD0412578C1
A6

Panasonic SA-PM31PC Specifications

General

CD Player	Yes
Radio Tuner	Yes
Bluetooth	No
Headphone outputs	1
Speaker Type	2-way
RMS Output Power	20 W
Audio formats supported	MP3
Disc types supported	CD-R, CD-RW
Playback disc formats	Audio CD
Number of optical discs	1
Tuner Type	Digital
Supported radio bands	AM, FM
Headphone connectivity	3.5mm jack
Power requirements	AC 220-240V, 50Hz
Output Power	20 W
Speakers	Yes
Remote Control	Yes
Inputs	Audio Line-in

Summary

Specification

Amplifier Section

Details power output and harmonic distortion for amplifier.

Tuner Sections

Cassette Deck Section

Lists specifications for track system, heads, motor, recording, and tape speed.

CD Section

Outlines CD disc compatibility, sampling frequency, and D/A converter.

Safety Cautions

General Safety Guidelines

Provides essential safety rules for servicing the unit.

Leakage Current Checks

Details procedures for cold and hot leakage current testing.

Fuse Replacement Caution

Advises on specific precautions for replacing fuses.

Pre-Repair Procedures

Before Repair and Adjustment

Outlines initial steps and precautions before starting repairs.

Protection Circuitry

Laser Diode Safety Precautions

Traverse Deck Handling Precautions

CD Traverse Deck Handling

Advises on handling the sensitive CD traverse deck.

Electrostatic Discharge Prevention

Explains grounding procedures to prevent electrostatic damage.

Operating Procedures

Remote Control Operation

Self-Diagnostic Display Function

Entering Self-Diagnostic Modes

Instructions to access Test Mode and Doctor Mode.

EEPROM Check Sum Display and Cold Start

Clearing Memory and Displaying Results

Error Code Table

Power Supply Error Codes

Lists error codes related to the power supply section.

CD Mechanism Error Codes

Details error codes specific to the CD mechanism.

Cassette Mechanism Error Codes

Lists error codes for the cassette mechanism.

Self-Diagnostic Modes

Cassette Mechanism Self-Diagnostic Mode

Procedure for diagnosing the cassette mechanism.

Changer Reliability Test Mode

Changer Operation Checking

CR16 Mechanism Ageing Mode

Cassette Mechanism Operation Check

Check with Cassette Tape

Method to check operation using a cassette tape.

Check without Cassette Tape

Method to check operation without a cassette tape.

Measurement and Adjustments

Tuner/CD Sections

Cassette Deck Section Adjustments

Details requirements, settings, and adjustments for the cassette deck.

Cassette Deck Performance Checks

Bias Voltage Check

Procedure to check the bias voltage of the cassette deck.

Bias Frequency Check

Voltage Measurement and Waveform Chart

Voltage Measurement Data

Waveform Chart

Block Diagrams

CD Servo Block Diagram

Main Block Diagram

IC Terminal Functions

IC702 Terminal Functions

IC703 Terminal Functions

IC302 Terminal Functions

Pinout and function description for IC302, the microprocessor.

Troubleshooting Flowchart (CD Section)