Roadstar HRA-1500 User Manual

MODEL
HRA-1500
SERVICE MANUAL
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NOSTALGIC WOODEN
MUSIC CENTRE
SPECIFICATIONS
AM
FM
Ge
neral
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/ @ /
. -
@ /
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Fre
quenc Range 530 1600 KHz
Sensit
ivity 2000uV m 20dB S N
IF 465 KHz
An
tenna Ferrite Bar
Freq
uency Range 87 5 108 MHz
Sensit
ivity 20uV 30dB S N
IF 10 7MHz
Antenn
AC
Power Input 230V50Hz
DC
Power Source NO
Dimen
sions 30x15x19.5 CM
Weight 2.3KGS
a Tall wire
CONTENTS
IMPORTANT SERVICE SAFETY INFORMATIO N 2
DISAS
SEMBLY INSTRUCTIONS 3
DIAL STRINGING 3
ADJUS
TMENT LOCATIONS 4
ALIGNMENTPROCEDURES5
WIRING DIAGRA
PRINTED CIRCUIT BOARDS .
SCHEMATIC DIAGRAMS
EXPLODEDVIEWPARTSLISTCABINET11
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VOLTAGE CHARTS 6
M 7
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RADIO
8-９
1０

Roadstar HRA-1500 Specifications

General

Number of batteries supported	4
Colour	Black
Supported radio bands	FM
Output Power	3 W
Power source	AC, Battery
Battery type	D
Weight	640 g
Frequency Range	FM: 87.5-108 MHz, AM: 522-1620 kHz
Modulation	FM/AM
AC input voltage	220-240V

Summary

Specifications

AM Specifications

Frequency range, sensitivity, and IF for AM band.

FM Specifications

Frequency range, sensitivity, and IF for FM band.

General Specifications

Details on power input, source, dimensions, and weight.

Important Service Safety Information

Safety Precautions

General safety rules for technicians and customers.

Product Safety Notice

Information on safety-related parts and recommended substitutes.

Servicing Precautions

Mandatory safety steps to follow before and during servicing.

Disassembly Instructions

Bottom Board Removal

Procedure for safely removing the unit's bottom board.

Dial Stringing

Alignment Procedures

AM IF Alignment

Procedure to align the Intermediate Frequency for AM reception.

FM IF Alignment

Procedure to align the Intermediate Frequency for FM reception.

AM Band Alignment

Step-by-step alignment process for the AM radio band.

FM Band Alignment

Step-by-step alignment process for the FM radio band.

Voltage Charts

Exploded View and Parts List