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Onkyo TX-1500 Service Manual

Onkyo TX-1500
11 pages
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SERIAL
NO.3031
ONKYO.
SERVICE
MANUAL
SERVO
LOCKED
FM/AM
STEREO
RECEIVER
Model
TX—1500
Ra
hd
fs.
ba
Paynes
&
.
ee
at
ch
Pate
+
os
ONKYO.
AUDIO
COMPONENTS
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Onkyo TX-1500 Specifications

General IconGeneral
Power output18 watts per channel into 8Ω (stereo)
Frequency response20Hz to 25kHz
Total harmonic distortion0.5%
Damping factor40
Input sensitivity2.5mV (MM), 150mV (line)
Signal to noise ratio70dB (MM), 90dB (line)
Output150mV (line)
Speaker load impedance4Ω to 16Ω
Dimensions448 x 162 x 371mm
Weight8.2kg
Tuning rangeFM, MW

Summary

ONKYO TX-1500 Service Manual

Specifications

Amplifier Specifications

Details on power output, distortion, damping factor, frequency response, sensitivity, and tone controls.

Tuner Specifications

Details on tuning range, sensitivity, IF frequency, capture ratio, rejection, and separation for both models.

Service Procedures

Component Removal Procedures

Steps for removing dial glass and front panel to access internal components.

Component Replacement Procedures

Instructions for replacing LED indicators, dial lamps, and fuses.

Stringing Diagram

Dial Cord Routing

Detailed steps for threading the dial cord around pulleys and shafts for tuning.

Component Location and Parts Lists

U.S.A. Model Parts List

List of parts for the U.S.A. model with reference numbers, part numbers, and descriptions.

Universal Model Parts List

List of parts for the Universal model with reference numbers, part numbers, and descriptions.

NAAR-395 PC Board Parts List

Detailed list of transistors, ICs, and diodes on the NAAR-395 PC board.

PC Board Parts List Details

Coils and Transformers

Lists various coils and transformers used in the PC boards with part numbers.

Filters, Capacitors, and Resistors

Details ceramic filters, capacitors, variable resistors, and resistors with specifications.

Switches, Terminals, and Indicators

Lists switches, terminals, pilot lamps, L.E.D., and power fuse components.

Alignment Procedures

AM IF Alignment

Steps for aligning the AM Intermediate Frequency (IF) section.

AM RF Alignment

Procedures for tuning the AM Radio Frequency (RF) circuits.

FM Front End Alignment

Steps for aligning the FM front end circuits.

FM Mono Distortion and Multiplex Alignment

Procedures for aligning FM mono distortion and multiplex sections.

Chassis Layout

U.S.A. Model Chassis Parts List

Lists chassis parts for the U.S.A. model with reference numbers and descriptions.

Universal Model Chassis Parts List

Lists chassis parts for the Universal model with reference numbers and descriptions.

Schematic Diagrams

U.S.A. Model Schematic

Detailed circuit diagram for the U.S.A. model.

Universal Model Schematic

Detailed circuit diagram for the Universal model.

Packing Procedures

U.S.A. Model Packing Details

Instructions for packing printed materials, AC cord, and cabinet tag for the USA model.

Universal Model Packing Details

Instructions for packing printed materials, voltage tag, and AC cord for the Universal model.

Germany Type Packing Differences

Notes on differences in packing for the Germany type compared to the Universal model.

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