Panasonic RF-2900LBS - User Manual

ORDER NO. RD7906-1699C
ervice
Manual
Radio
FM-AM 6-Band Portable Radio RF-2 9OOLBS
Hi SPECIFICATIONS
Frequency Range: FM = 87.5~108 MHz Power Output: 3W DC Maximum
LW 150~ 410 kHz (2000~731m) Power Source: AC 110~125V/220~240V 50-60 Hz or
MW 525~1610 kHz (571~ 186m) 9V (Six ‘‘D” Size Flashlight Batteries)
SWi 3.2~8 MHz (93.8~37.5m) (National UM-1 or equivalent)
SW2 8~16 MHz (37.5~18.7m) Power Consumption: 11W (AC Only)
SWs 16~30 MHz (18.7~10m) Speaker: 10 cm (4) PM Dynamic Speaker
Intermediate FM = 10.7 MHz Dimensions: 381(Wide) x 246(High) x 120(Deep)mm
Frequency: AM (LW, MW & SW) 455 kHz (15 x 94" x 43”)
SW ist IF 2 MHz Weight: 3.6 kg. (7 Ib. 15 oz.) without batteries
2nd IF 455 kHz Impedance: SPEAKER, sss Missiianassnanseacionsnns 80
Sensitivity: FM 2.5zV (S/N 26 dB), Earphone Jack ......eeeeeeeee eee 82.
2uV (3 dB down limitter sens.) Multiplex Out Jack......... 10ka (40mV)
LW = 70uV/m (S/N 6 dB), FM Antenna Terminal ......... 752
600xV/m (S/N 26 dB) Phono Jack .............., 500ka (50mV)
MW 30uV/m (S/N 6 dB), Recording Out Jack...... 80ka2 (100mV)
400uV/m (S/N 26 dB)
SW: 1.8xV (S/N 6 dB),
19xV (S/N 26 dB)
SW2 0.8zV (S/N 6 GB),
9uV (S/N 26 dB)
SWs_ 1.2uV (S/N 6 dB),
13uV (S/N 26 dB)
Specifications are subject to change without notice.
— Matsushita Electric Trading Co., Ltd.
Panasonic P.O. Box 288, Central Osaka, Japan

Summary

Specifications

Location of Controls and Components

Controls Overview

Identifies and lists all external controls, buttons, and indicators on the radio unit.

Disassembly Instructions

Disassembly Procedures and Parts

Details the step-by-step process for disassembling the radio, listing parts to remove.

Block Diagram

Schematic Diagram

Alignment Procedures

General Alignment Instructions

Essential preparatory steps and general guidelines to follow before performing any alignment.

AM, LW, MW, SW Alignment

Detailed procedures for aligning AM, LW, and SW frequency bands for optimal performance.

FM and SW Alignment

FM Alignment

Procedures for aligning the FM band, including IF and RF stages.

SW 1 st IF and 2 nd OSC Alignment

Steps for aligning the SW intermediate frequency and second oscillator circuits.

RF, Meter, and AGC Alignment

SW-RF Alignment

Steps to align SW RF stages (SW1, SW2, SW3) for maximum output.

Tune;Batt Meter Adjustment

Procedure for setting the tuning and battery indicator meter according to specifications.

D. AGC Alignment

Procedure for adjusting the Delayed Automatic Gain Control circuit for stable reception.

Replacement Parts List

Electronic Components

List of integrated circuits, transistors, diodes, thermistors, coils, transformers, and capacitors.

Mechanical and Miscellaneous Parts

Lists cabinet parts, accessories, packing materials, and printed matter for the radio.

Service Manual Supplement-1 Changes

Replacement Parts List Updates

Details changes to the replacement parts list from the original service manual.

Panasonic RF-2900LBS Specifications

General

Type	Portable Radio
Tuning Bands	FM, MW, LW, SW
FM Frequency Range	87.5 - 108 MHz
LW Frequency Range	150 - 285 kHz
Power Source	AC Power, Battery
Antenna	Telescopic Antenna