Pioneer SC-LX73 Service Manual

ORDER NO.
PIONEER CORPORATION 1-1, Shin-ogura, Saiwai-ku, Kawasaki-shi, Kanagawa 212-0031, Japan
PIONEER ELECTRONICS (USA) INC. P.O. Box 1760, Long Beach, CA 90801-1760, U.S.A.
PIONEER EUROPE NV Haven 1087, Keetberglaan 1, 9120 Melsele, Belgium
PIONEER ELECTRONICS ASIACENTRE PTE. LTD. 253 Alexandra Road, #04-01, Singapore 159936
PIONEER CORPORATION
2010
2010 Printed in Japan
SC-LX83
RRV4144
AUDIO/VIDEO MULTI-CHANNEL RECEIVER
SC-LX83
SC-LX73
THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).
This service manual should be used together with the following manual(s).
For SPECIFICATIONS and PANEL FACILITIES, refer to the operating instructions.
Model Type Porew Requirement
The voltage can be converted by the
following method.
SC-LX83 AXJ5 AC 220 V to 230 V/ 240 V With the voltage selector
SC-LX73 AXJ5 AC 220 V to 230 V/ 240 V With the voltage selector
Model No. Order No. Remarks
SC-37/UXJCB
SC-37/UXJCB
RRV4137
RRV4138 PCB RETRIEVAL DIAGRAM
K-ZZZ SEPT.

Pioneer SC-LX73 Specifications

General

Brand	Pioneer
Model	SC-LX73
Category	Receiver
Language	English

Summary

Exploded Views and Parts List

PCB Assemblies

Lists printed circuit board assemblies and their part numbers for different models.

Packing Section

Details packaging components and accessories, including cords, sheets, and cases.

Exterior Section Parts

Identifies external components such as power transformers and fuses.

Rear Section Parts

Lists components located in the rear, including tuner units and rear panels.

Chassis Section Parts

Lists chassis-related components, including fuses and internal boards.

Front Section Parts

Details front panel components like the display, power ring, and door panels.

DAC High Assembly Parts

Lists components for the DAC High assembly, noting model-specific differences.

DAC Low Assembly Parts

Lists components for the DAC Low assembly, noting model-specific differences.

Digital Main Assembly Parts

Lists components for the Digital Main assembly, noting model-specific differences.

Interface Assembly Parts

Lists components for Interface assemblies, noting model-specific differences.

Component Assembly Parts

Lists components for Component assemblies, noting model-specific differences.

Display Assembly Parts

Lists components for the Display assembly, noting model-specific differences.

Ice Buffer Assembly Parts

Lists components for the Ice Buffer assembly, noting model-specific differences.

Icepower Amplifier Assembly Parts

Lists components for the Icepower Amplifier assembly, noting model-specific differences.

Primary Assembly Parts

Lists components for the Primary assembly, noting model-specific differences.

Schematic Diagrams

DAC High Assembly Schematic

Provides the schematic diagram for the DAC High assembly, detailing circuit connections.

DAC Low Assembly Schematic

Provides the schematic diagram for the DAC Low assembly, detailing circuit connections.

Digital Main Assembly Schematic (2/10)

Presents a section of the schematic for the Digital Main assembly, showing circuit details.

Digital Main Assembly Schematic (6/10)

Presents a section of the schematic for the Digital Main assembly, showing circuit details.

Icepower Amplifier Assembly Schematic (1/5)

Presents a section of the schematic for the Icepower Amplifier assembly, showing circuit connections.

Icepower Amplifier Assembly Schematic (2/5)

Presents a section of the schematic for the Icepower Amplifier assembly, showing circuit connections.

Icepower Amplifier Assembly Schematic (3/5)

Presents a section of the schematic for the Icepower Amplifier assembly, showing circuit connections.

Icepower Amplifier Assembly Schematic (4/5)

Presents a section of the schematic for the Icepower Amplifier assembly, showing circuit connections.

Icepower Amplifier Assembly Schematic (5/5)

Presents the final section of the schematic for the Icepower Amplifier assembly.