Pioneer VSX-423-S - 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

1. CONTRAST OF MISCELLANEOUS PARTS

EXPLODED VIEWS

EXTERIOR SECTION (VSX-423-K)

Visual breakdown of exterior components for VSX-423-K model.

PACKING SECTION (VSX-523-K;AXQ5)

Visual breakdown of packing section components for VSX-523-K/AXQ5 model.

EXTERIOR SECTION (VSX-523-K;AXQ5)

Visual breakdown of exterior components for VSX-523-K/AXQ5 model.

CONTRAST OF PCB ASSEMBLIES

AF MAIN ASSY

Contrast of components for the Main PCB Assembly across models.

BF D-MAIN ASSY

Contrast of components for the D-Main PCB Assembly across models.

FF CPU ASSY

Contrast of components for the CPU PCB Assembly across models.

IF FRONT ASSY

Contrast of components for the Front PCB Assembly across models.

KF SMPS ASSY

Contrast of components for the SMPS PCB Assembly across models.

LF REG ASSY

Contrast of components for the REG PCB Assembly across models.

Pioneer VSX-423-S Specifications

General

Channels	5.1
HDMI Inputs	4
HDMI Outputs	1
3D Support	Yes
4K Pass-through	Yes
Audio Return Channel (ARC)	Yes
Dolby TrueHD	Yes
DTS-HD Master Audio	Yes
AM/FM Tuner	Yes
Bluetooth	No
Wi-Fi	No
Input Sensitivity and Impedance	200 mV/47 kΩ
Signal to Noise Ratio	98dB
Audio Inputs/Outputs	1 Optical, 1 Coaxial