Pioneer VSX-423-K - 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
2013
2013 Printed in Japan
VSX-423-K
RRV4439
AV Receiver
VSX-423-K
VSX-423-S
VSX-523-K
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 Power Requirement Remarks
VSX-423-K SYXE8 AC 220 V to 230 V
VSX-423-S SYXE8 AC 220 V to 230 V
VSX-423-K PWVXE8 AC 220 V to 240 V
VSX-523-K PWXE AC 220 V to 240 V
VSX-523-K AXQ5 AC 220 V
Model No. Order No. Remarks
VSX-523-K/CUXESM RRV4418
K-ZZZ APR.

Summary

Pioneer AV Receiver Service Manual

Applicable Models and Types

Lists models and types covered by this service manual, including power requirements.

Related Service Manuals

Identifies other manuals that should be used in conjunction with this one.

Contrast of Miscellaneous Parts

PCB Assembly Contrast

Compares PCB assemblies across different VSX models, noting exceptions and part numbers.

Packing Section Items

Lists manuals and guides related to packing and initial setup for various models.

Exterior Section Parts

Details external components and their corresponding part numbers for different VSX models.

Exploded Views

Exterior Section Diagrams

Illustrates the exploded view of exterior components for specific VSX models.

Packing Section Diagrams

Provides an exploded view of components within the packing section for VSX-523-K/AXQ5.

Detailed PCB Assembly Contrast

Main Assy Contrast

Details variations in components for the Main Assy across different VSX models.

D-Main Assy Contrast

Details variations in components for the D-Main Assy across different VSX models.

CPU Assy Contrast

Details variations in components for the CPU Assy across different VSX models.

Front Assy Contrast

Details variations in components for the Front Assy across different VSX models.

SMPS Assy Contrast

Details variations in components for the SMPS Assy across different VSX models.

Reg Assy Contrast

Notes differences and incompatibility for Reg Assy components across models.

Pioneer VSX-423-K Specifications

General

Channels	5.1
HDMI Inputs	4
HDMI Outputs	1
Network Connectivity	No
3D Support	Yes
4K Pass-Through	Yes
Frequency Response	10 Hz - 100 kHz
Total Harmonic Distortion	0.08%
Input Sensitivity/Impedance	200 mV / 47 kohms
Signal-to-Noise Ratio	98 dB
Bluetooth	No
Wi-Fi	No
Audio Formats Supported	Dolby TrueHD, DTS-HD Master Audio
Audio Inputs/Outputs	Digital Optical Input x 1 (assignable)
USB Port	Yes
AV Receiver Type	AV Receiver