Pioneer vsx-421-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
2011
2011 Printed in Japan
VSX-826-K
RRV4183
AUDIO/VIDEO MULTI-CHANNEL RECEIVER
VSX-826-K
VSX-821-K
VSX-521-K
VSX-421-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-826-K SYXCN5 AC 220 V to 230 V
VSX-821-K SYXCN5 AC 220 V to 230 V
VSX-521-K SYXCN5 AC 220 V to 230 V
VSX-421-K SYXCN5 AC 220 V to 230 V
Model No. Order No. Remarks
VSX-821-K/CUXCNSM RRV4167 VSX-521-K/CUXCNSM
K-ZZZ MAY

Pioneer vsx-421-k Specifications

General

Amplifier Type	Discrete
Channels	5.1
HDMI Inputs	4
HDMI Outputs	1
Network Capability	No
3D Support	Yes
Audio Return Channel (ARC)	Yes
Component Video Inputs	2
Composite Video Inputs	3
Digital Audio Inputs (Optical)	2
Digital Audio Inputs (Coaxial)	1
Headphone Output	Yes
Bluetooth	No
Wi-Fi	No
Ethernet	No
AM/FM Tuner	Yes
Audio Formats Supported	Dolby TrueHD, DTS-HD Master Audio
Video Upconversion	Yes
USB Port	Yes
Power Output	110W per channel (6 ohms, 1 kHz, THD 1%, 1ch driven)
Dimensions (W x H x D)	435 x 151 x 329 mm

Summary

Exterior Section Parts Contrast (Models VSX-821/921)

Exploded Views (Models VSX-826/821)

Exterior Section Exploded View

Diagram illustrating the assembly of exterior parts for specific receiver models.

PCB Assemblies Contrast (Models VSX-826/821)

Audio Assembly Part Numbers

Details part numbers for the Audio Assembly across different receiver models.

Front Assembly Part Numbers

Details part numbers for the Front Assembly across different receiver models.

AMP7 Assembly Part Numbers

Details part numbers for the AMP7 Assembly across different receiver models.

CPU Assembly Part Numbers

AMP5 Assembly Part Numbers

Details part numbers for the AMP5 Assembly across different receiver models.

Standby Assembly Part Numbers

Main Assembly Part Numbers

Details part numbers for the Main Assembly across different receiver models.

D-Main Assembly Part Numbers

Subwoofer Assembly Part Numbers

Details part numbers for the Subwoofer Assembly across different receiver models.

USB Assembly Part Numbers

Video Assembly Part Numbers

Details part numbers for the Video Assembly across different receiver models.

Exploded Views (Models VSX-521/421)

Exterior Section Exploded View (Models VSX-521/421)

Diagrams showing exterior part assemblies for VSX-521 and VSX-421 models.

PCB Assemblies Contrast (Models VSX-521/421 - Part 2)

Audio Assembly Part Numbers (Models VSX-521/421)

CPU Assembly Part Numbers (Models VSX-521/421)

AMP5 Assembly Part Numbers (Models VSX-521/421)

Bridge B Assembly Part Numbers (Models VSX-521/421)

Main Assembly Part Numbers (Models VSX-521/421)

Standby Assembly Part Numbers (Models VSX-521/421)

Subwoofer Assembly Part Numbers (Models VSX-521/421)

D-Main Assembly Part Numbers (Models VSX-521/421)

MIC Assembly Part Numbers (Models VSX-521/421)

Video Assembly Part Numbers (Models VSX-521/421)

Front Assembly Part Numbers (Models VSX-521/421)