Panasonic SG-J500 (K) - User Manual

Service Manual
MW/FM STEREO RADIO WITH
CASSETTE TAPE DECK AND
RECORD PLAYER
ORDER NO. SD83072600C2
Portable Stereo
SG-J500 (K), (W)
[EX]
[EX]: Denmark,
Specifications
AMPLIFIER SECTION
POWer OUtPUt .....05..cisvsnssiccsereseess AC: MPO 4W x 2 (THD 10%, 62)
RMS 1.9W x 2 (THD 10%, 6)
DC: RMS 3W x 2 (THD 10%, 62)
FM TUNER SECTION
Frequency Rangeé.............::cecceeees 87.5 MHz ~ 108 MHz
Intermediate Frequency (IF)............ 10.7 MHz
Sensitivity .. 2.8 uV (at 1 kHz, 40 kHz) (DIN) at 752
Stereo Separation..............ecee 34 dB (at 1 kHz, 60 dB, 40 kHz)
AM TUNER SECTION
Frequency Rang@.............0:cccceeees 525 kHz ~ 1605 kHz
(571m ~ 187 m)
Intermediate Frequency (IF)............ 450 kHz
SONSIIVIRY <scccicsrsiveseccssesssncenccaazerevees 220 uV/m (1 MHz)
TAPE DECK SECTION
Deck System isccccsicsesssssssernceossoantonny Auto stop
Track System. ... 4-Track, 2-Channel
Head Type. ..... .. Hard Permalloy (Rec/Play)
Double Gap Ferrite (Erase)
Recording System ...........:::c:eeee AC Bias (50 kHz)
Erasing System.. .. AC Erase (50 kHz)
Tape Speed........... .. 4.8 cm/sec.
Frequency Response .. 50 Hz ~ 12 kHz
Signal/Noise Ratio .. 50 dB (DIN)
WOW SclFIUtteh ni c.cesecvascccccesssonisncs 0.2% (WRMS)
Panasonic
Finland
PHONO SECTION
Turntable System ..........ccccccceeeeeee Belt drive
Turntable Platter... . 16cm
Turntable Speed ..............cccceceeeeee 33-1/3 rpm and 45 rpm
PRONO-MOtOl ..sscisersissscvessesseccacsunns Electro-Governor DC Motor
Cartridge .. Ceramic cartridge (EPC-13STH)
RPI ass casted cevesnaneuivecchseemeeoniaiensiseadk Sapphire tip (EPS-41ST)
Stylus Pressure Range..............05 5.99
SPEAKER SYSTEM
SHOGNOE siccccicccnetnnuutiinneteianuiies 12 cm Dynamic Speaker
Input Impedance................. eee 62
GENERAL
Power Consumption...................005 15W
Power Supply wciccisscsrcsssccessssssnsvescees AC 110V/120V/220V/240V, 50/60 Hz
Battery: 12V (8 x UM-1, “D” size battery)
Car battery: optional car adaptor
395 mm x 273 mm x 209 mm
WIGKE vice. cciecsascscveroivancucexeusbegrecs 5 kg (without batteries)
5.8 kg (with batteries)
* Specifications are subject to change without notice for further improvement.
Matsushita Electric Trading Co., Ltd.
P.O. Box 288, Central Osaka, Japan

Summary

Location of Controls Overview

Unit Disassembly Procedures

Detailed Disassembly Steps

Comprehensive step-by-step instructions for dismantling the unit.

Performance Measurements and Adjustments

Radio Alignment Procedures

Detailed steps for tuning AM/MW/FM radio circuits for optimal performance.

FM STEREO ALIGNMENT (FREE RUN)

Adjusting the FM stereo signal reception and output.

Tape and Phono Adjustments

Procedures for head azimuth, erase bias, and phono motor speed.

Internal Wiring Diagram and Connections

Replacement Parts List: Resistors

Electronic Schematic Diagram

Circuit Board Layouts

Replacement Parts List: Capacitors

Replacement Parts List: Components

Integrated Circuit Block Diagrams

Dial and Player Cord Stringing Guides

Player Cord Stringing Guide

Instructions for stringing the player mechanism cord.

Cabinet and Chassis Parts Location

Replacement Parts List: Cabinet and Chassis

List of replacement parts for the unit's casing and frame.

Record Player Parts Location

Replacement Parts List: Record Player

List of replacement parts for the record player component.

Cassette Tape Deck Parts Location

Identifying physical parts of the cassette tape deck mechanism.

Replacement Parts List: Cassette Tape Deck

System Block Diagram

Panasonic SG-J500 (K) Specifications

General

Brand	Panasonic
Model	SG-J500 (K)
Category	Stereo Receiver
Language	English