Sanyo RP 8260UM User Manual

SERVICE MANUAL
PORTABLE RADIO
RP 8260UM
SPECIFICATIONS
Frequency ranges: LW 150 — 285 kHz Output power:
MW 525 — 1605 kHz
SW 5.95 — 18.0 MHz Transistor:
FM 87.5 — 108 MHz Diode:
Intermediate: LW/MW/SW 470 kHz Power source:
FM 10.7 MHz
Sensitivity: LW 400unV/m Current consumption:
(for 50mW output) MW 100uV/m Speaker:
SW 25uV/m Dimensions:
FM 3uV
Weight:
Maximam 1300 mW
Undistorted 800 mW
11
16
DC 4.5for1.5V “UM-1” Size x 3
AC 120/220V, 50/60 Hz
No signal 30mA
92 mm, 8ohm
257mm(W) x 162mm(H) x 75mm(D)
Approx.
Approx. 1.5 kg
NOTE: Specifications are subject to change without notice.
WM-4633

Sanyo RP 8260UM Specifications

General

Brand	Sanyo
Model	RP 8260UM
Category	Portable Radio
Type	AM/FM Radio
Power Source	Battery
Battery Type	D
Battery Quantity	2
Band	AM/FM
Speaker Size	3 inches

Summary

Portable Radio Specifications

Frequency and Sensitivity Ranges

Details radio reception frequency bands and sensitivity levels for LW, MW, SW, and FM.

Power Output and Source

Specifies maximum undistorted output power and available power sources (DC and AC).

Component and Physical Specifications

Lists transistor/diode counts, current consumption, speaker, dimensions, and weight.

Cabinet and Chassis Disassembly

Removing External Components

Instructions for removing the back lid, knobs, and antenna cord from the cabinet.

Separating Chassis and Internal Parts

Steps to detach the chassis, pointer, dial scale, and tuning shaft assembly.

Printed Circuit Board Disassembly

Dial Rope Securing Before PCB Removal

Important note to secure the dial rope with string before PCB disassembly.

Dial Cord Stringing Procedure

Dial Cord and Spring Preparation

Preparing the dial cord and tension spring for stringing.

Cord Routing and Attachment

Detailed steps for routing the dial cord around the drum and tuning shaft.

Meter Adjustment Specifications

Battery Meter Adjustment

Procedure for adjusting the battery meter using specific settings and R330.

Tuning Meter Checking and Adjustment

Steps to check and adjust the tuning meter, including IF Transformer T303.

Alignment Procedures

General Alignment Conditions

Pre-alignment conditions including volume, signal input, meter usage, and modulation standards.

Band-Specific Alignment Procedures

Detailed alignment steps for LW, MW, SW, and FM bands using signal generator and output meter.

Parts Location Diagram

Wiring Diagram

Schematic Diagram

Parts List

Packing and Cabinet Parts

List of packing materials and cabinet/chassis related components.

Electrical and Fixing Parts

List of electrical components, fixing parts, and hardware.

Resistors and Capacitors

Detailed list of resistors and capacitors with their values and specifications.