Pioneer VSX-321-K-P 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
Center
SurroundFront
HTP-071
RRV4273
HOME CINEMA PACKAGE
HTP-071
AUDIO/VIDEO MULTI-CHANNEL RECEIVER
VSX-321-K-P
SUBWOOFER SPEAKER SYSTEM
S-22W-P S-11-P
HTP-071 is a Home Cinema Package and consists of VSX-321-K-P, S-22W-P and S-11-P.
THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).
Model
HTP-071
SYXE8 AC 220 V to 230 V
HTP-071
CXE AC 120 V
HTP-071
DLPWXE AC 220 V to 240 V
HTP-071
AXE5 AC 220 V
VSX-321-K-P
SYXE8 AC 220 V to 230 V
VSX-321-K-P
CXE AC 120 V
VSX-321-K-P
DLPWXE AC 220 V to 240 V
VSX-321-K-P
AXE5 AC 220 V
————— —————
————— —————
S-22W-P
S-11-P
Type Power Requirement Remarks
K-IZV OCT.

Pioneer VSX-321-K-P Specifications

General

Channels	5.1
Type	AV Receiver
HDMI Inputs	4
HDMI Outputs	1
Audio Formats Supported	Dolby TrueHD, DTS-HD Master Audio
FM Tuner	Yes
Weight	7.5 kg
3D Support	Yes
Frequency Response	10 Hz - 100 kHz
Input Sensitivity	200 mV
Signal-to-Noise Ratio	98 dB
Video Inputs	Composite, Component
Audio Inputs	Analog, Digital Optical, Digital Coaxial
HDMI Version	1.4
USB Port	No
Bluetooth	No
Wi-Fi	No
Ethernet	No
Video Outputs	Composite
HDMI Features	ARC, CEC
Power Output	100 W per channel

Summary

Safety Information

1. Safety Precautions

General safety advice for service technicians and users. It includes measures to prevent shock hazards.

2. Product Safety Notice

Details special safety characteristics of electrical components and replacement parts to prevent hazards.

1. Service Precautions

1.1 Notes on Soldering

Guidelines for using lead-free solder and appropriate soldering irons for environmental protection.

1.2 Notes on Replacing Parts

Information on parts that are difficult to replace as discrete components and require whole assembly replacement.

1.3 Service Notice

References for detailed procedures on discharging and ground point connection for safety.

2. Specifications

3. Basic Items for Service

3.1 Check Points After Servicing

Procedures to confirm product quality after servicing, covering video and audio checks.

3.2 Jigs List

Lists required jigs for diagnosis and firmware updates, with part numbers and remarks.

3.3 PCB Locations

4. Block Diagram

4.1 Overall Connection Diagram

Illustrates the interconnections between major assemblies and connectors of the system.

4.2 Overall Block Diagram

4.3 D-Main Block Diagram

5. Diagnosis

5.1 Troubleshooting

Step-by-step troubleshooting guide for DSP-related issues, covering preliminary checks and component diagnosis.

[2] HDMI Troubleshooting

HDMI Simple Diagnosis

Basic troubleshooting steps for HDMI issues like no display or sound.

Step 0: Preliminary Confirmation

Initial checks for HDMI connectivity and secure connections before proceeding.

Step 1: Connect the HDMI Equipment

Instructions for connecting source and sink equipment for HDMI troubleshooting.

Step 2: Power Supply

Step 3: Diagnosis

Step 4: X'tal

Step 5: Input/Output Diagnosis

Step 6: SDA /SCL

Step 7: TMDS

5.2 Protection Circuit

5.3 IC Information

J046941000010-IL (EP94A1K)(D-MAIN ASSY: IC200)

Pin arrangement and block diagram for the EP94A1K IC, used in the D-MAIN ASSY.

6. Service Mode

[1] Display Mode for Numbers of Protection Detections

How to enter and view protection detection counts on the display.

[2] Reset Mode for Numbers of Protection Detections

TEMP (AMP Overheat) Error Detection

7. Disassembly

7.1 VSX-321-K-P Disassembly

Procedures for safely disassembling the VSX-321-K-P unit, including capacitor discharging.

Discharging Procedures

Detailed steps for discharging capacitors in the MAIN Assy and FL-30V sections.

2. Notes on Disassembly and Reassembly

Confirmation of Connection

Important check for connecting MAIN Assy to D-MAIN Assy before powering on.

Confirmation of GND Wire

Crucial step to connect the main capacitor GND wire to chassis during reassembly.

3. Disassembly

[1] Front Panel Section

Step-by-step guide to remove and detach the front panel assembly.

[2] Heatsink Section

[3] D-MAIN Assy

[4] MAIN Assy

[4-1] Chassis Back

Instructions for removing the chassis back cover.

[4-2] MAIN Assy Disassembly

Steps to disassemble the main assembly, including removing the G-T Assy.

[4-4] Diagnosis

7.2 S-22W-P Speaker Attachment

Orientation of the Speaker during Attachment

Guidance on the correct orientation of the speaker during attachment.

7.3 S-11-P Speaker Removal

Removing the Front / Surround Speaker

Instructions for removing front and surround speakers, with figures.

Removing the Center Speaker

Instructions for removing the center speaker, with figures.

8. Each Setting and Adjustment

8.1 Updating of the Firmware

Procedures for updating firmware for microcomputers, including necessary tools.

9. Exploded Views and Parts List

9.1 Packing Section

Illustrates the packing contents and methods for different speaker models.

9.2 VSX-321-K-P Section

9.3 S-22W-P Section

9.4 S-11-P Section

10. Schematic Diagram

10.1 Input Assy

Schematic diagram for the input assembly, detailing component connections.

10.2 AMP Assy

10.3 MAIN Assy (1/2)

C 1/2 Main Assy (Main Block)

10.4 MAIN Assy (2/2)

C 2/2 Main Assy (CPU Block)

10.5 D-MAIN Assy (1/3)

D 1/3 D-MAIN Assy (HDMI Block)

10.6 D-MAIN Assy (2/3)

D 2/3 D-MAIN Assy (CODEC Block)

10.7 D-MAIN Assy (3/3)

D 3/3 D-MAIN Assy (DSP Block)

10.8 BR1, HP, FUNC and FRONT ASSYS

10.9 DG ASSY

10.10 CNT, G-T, G-L and G-H ASSYS

10.11 STBY ASSY

10.12 S-11-P

11. PCB Connection Diagram

11.1 INPUT ASSY

PCB connection diagram for the INPUT ASSY, showing component placement.

11.2 AMP ASSY

11.3 MAIN ASSY

C MAIN ASSY

11.4 D-MAIN ASSY

D D-MAIN ASSY

11.5 BR1, HP, FUNC and FRONT ASSYS

11.6 DG ASSY

11.7 CNT ASSY

11.8 G-T, G-L and G-H ASSYS

11.9 STBY ASSY

12. PCB Parts List

Contrast of PCB Assemblies

Details differences in PCB assemblies for various models.

List of Assemblies

Lists various PCB assemblies and their corresponding part numbers.