Pioneer VSX-453 Service Manual

® PIONEER
The Art of Entertainment
Service
Manual
ORDER NO.
ARP2849
AUDIO/VIDEO STEREO RECEIVER
VSX-403
VSX-463S
THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).
Model i The vot b d by th
fyee VSX— 453 | VSX—403 |VSX— 4638} bases Regutremnent following method. eee wr
eta ha lhe
KUXJ oO (e) — | Aci20v a
[Koxs oO e) 1e) AC120V —
SDXJ oO —_— — | AC110V/120-127v/220v/240V With the voltage selector
@
The
“
S”
at
the
end
of
the
model
number
indicates
that
a
programable
remote
control
unit
is
supplied.
CONTENTS
1.
SAFETY
INFORMATION
s++++ssss-sessseroses
2
6.
DISASSEMBLY
----
2. EXPLODED VIEWS, PACKING AND 7. BLOCK DIAGRAM
PARTS
LIST
8.
IC
INFORMATION
--
3.
SCHEMATIC
AND
PCB
CONNECTION
9.
REMOTE
CONTROL
UNIT
DIAGRAMS
[CU-VSX083
(AXD1387)]-
4.
PCB
PARTS
LIST
10,
PANEL
FACILITIES
5. ADJUSTMENTS 11. SPECIFICATIONS
PIONEER ELECTRONIC CORPORATION = 4-1, Meguro 1-Chome, Meguro-ku, Tokyo 153, Japan
PIONEER ELECTRONICS SERVICE INC. P.0. Box 1760, Long Beach, California 90801 U.S.A.
PIONEER ELECTRONICS OF CANADA, INC. 300 Alistate Parkway Markham, Ontario LR OP2 Canada
PIONEER ELECTRONIC [EUROPE] N.V, Haven 1087 Keetberglaan 1, 9120 Melsele, Belgium
PIONEER ELECTRONICS AUSTRALIA PTY. LTD. 178-184 Boundary Road, Braeside, Victoria 3195, Australia TEL: [03] 580-9911
© PIONEER ELECTRONIC CORPORATION 1994 O-DFS MAR. 1994 Printed in Japan

Pioneer VSX-453 Specifications

General

Brand	Pioneer
Model	VSX-453
Category	Stereo Receiver
Language	English

Summary

SAFETY INFORMATION

SAFETY PRECAUTIONS

Key safety precautions for servicing technicians and customers, including leakage current checks.

PRODUCT SAFETY NOTICE

Notice regarding special safety characteristics of electrical components and potential hazards.

WARNING

Warning about lead in solder being a reproductive toxicant and precautions for handling.

EXPLODED VIEWS, PACKING AND PARTS LIST

Parts List of Exterior and Packing

List of external and packing parts with their respective part numbers and marks.

SCHEMATIC AND PCB CONNECTION DIAGRAMS

3.1 OVERALL SCHEMATIC DIAGRAM

The main schematic diagram illustrating the overall connections of the unit's circuitry.

3.2 FM/AM TUNER MODULE

PCB diagram and schematic for the FM/AM Tuner Module.

3.3 FUNC ASSY, VIDEO ASSY, H. PHNE, SP. SW ASSY AND TRANS ASSY

Schematics for Function, Video, Headphone/Speaker Switch, and Transistor assemblies.

3.4 MOTHER ASSY AND REG ASSY

Schematic diagrams for the Mother Assembly and Regulator Assembly.

3.5 VOL ASSY AND TONE ASSY

Schematics for the Volume (VOL) Assy and Tone Assy.

3.7 FRONT ASSY AND R, C. SP ASSY

Schematics for the Front Assembly and Right/Center/Surround Speaker Assembly.

3.8 POWER. AMP ASSY

Schematic diagram for the Power Amplifier Assembly.

PCB PARTS LIST

NOTES

Important notes regarding parts marking, availability, and ordering procedures.

SEMICONDUCTORS

List of semiconductors (transistors, diodes, ICs) with part numbers.

CAPACITORS

List of capacitors with their part numbers and descriptions.

RESISTORS

List of resistors with their part numbers and descriptions.

ADJUSTMENTS

ADJUSTMENT OF THE FM TUNER SECTION

Step-by-step guide for adjusting the FM tuner section parameters.

ADJUSTMENT OF MW TUNER SECTION

Step-by-step guide for adjusting the MW (AM) tuner section parameters.

DISASSEMBLY

POWER. AMP ASSY

Procedure for disassembling the Power Amplifier Assembly.

IC INFORMATION

PDG115A(IC801) Digital delay

Basic information and pinout for the PDG115A IC, related to digital delay functions.

REMOTE CONTROL UNIT [CU-VSX083 (AXD1387)]

9.1 EXPLODED VIEW AND PARTS LIST

Exploded view and parts list for the remote control unit.

PANEL FACILITIES

Front Panel Controls and Indicators

Description of front panel controls, including power, tuning, input selectors, and indicators.

Remote Control Operation

Details on operating the remote control unit, including input selectors and special function buttons.

SPECIFICATIONS

Amplifier Section

Technical specifications for the amplifier section, including power output and sensitivity.

FM Tuner Section

Technical specifications for the FM tuner section, including frequency range and sensitivity.

AM Tuner Section

Technical specifications for the AM tuner section, including frequency range and sensitivity.

Miscellaneous

Miscellaneous specifications including power requirements, dimensions, and weight.

Furnished Parts

List of parts included with the unit, such as antennas and manuals.

MAINTENANCE OF EXTERNAL SURFACES

Guidelines for cleaning and maintaining the unit's external surfaces.