Pioneer SC-1228-K User 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
SC-71
RRV4450
AV RECEIVER
SC-71
SC-1228-K
SC-1223-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).
Model Type Power Requirement Remarks
SC-71 CUXJ AC 120V
SC-1228-K CUXJ AC 120V
SC-1223-K UXJCB AC 120V
Model No. Order No. Remarks
SC-71, SC-1228-K, SC-1223-K RRV4462 SCHEMATIC DIAGRAM, PCB CONNECTION DIAGRAM, PCB PARTS LIST
K-FZV MAY

Pioneer SC-1228-K Specifications

General

Amplification Type	Class D3
Channels	7.2
HDMI Outputs	2
4K Ultra HD Pass-Through	Yes
3D Ready	Yes
AirPlay	Yes
DLNA Certified	Yes
Internet Radio	Yes
MCACC	Yes
THX Certified	No
Dolby Atmos	Yes
DTS:X	Yes
Total Harmonic Distortion	0.08 %
Input Sensitivity	200 mV
Ethernet Port	Yes
Wi-Fi	Yes
Bluetooth	Yes
HDMI Inputs	8
Frequency Response	5 Hz - 100 kHz
Signal-to-Noise Ratio	100 dB
Supported Audio Formats	MP3, WMA, AAC, FLAC, WAV
Streaming Services	Spotify, Pandora, Tidal
USB Port	Yes (Front)

Summary

SAFETY INFORMATION

1. SAFETY PRECAUTIONS

General safety precautions, including leakage current check.

2. PRODUCT SAFETY NOTICE

Details on safety-related characteristics of components and replacement parts.

SERVICE PRECAUTIONS

1.1 NOTES ON SOLDERING

1.3 CAUTION

Important safety warnings before starting diagnosis or repair.

3. BASIC ITEMS FOR SERVICE

3.1 CHECK POINTS AFTER SERVICING

Procedures and checks to ensure quality after service.

4. BLOCK DIAGRAM

4.1 OVERALL WIRING DIAGRAM

4.2 BLOCK DIAGRAM FOR AUDIO BLOCK

Detailed block diagram of the audio signal processing path.

4.4 BLOCK DIAGRAM FOR DIGITAL MAIN AUDIO BLOCK

Block diagram illustrating the digital audio processing chain.

4.3 BLOCK DIAGRAM FOR DIGITAL MAIN VIDEO BLOCK

Diagram showing the digital video signal flow and processing.

4.5 BLOCK DIAGRAM FOR ANALOG VIDEO BLOCK

Diagram detailing the analog video signal paths and processing.

4.6 BLOCK DIAGRAM FOR POWER BLOCK (1)

4.7 BLOCK DIAGRAM FOR POWER BLOCK (2)

5. DIAGNOSIS

5.1 DIAGNOSIS FLOWCHART

Step-by-step troubleshooting guide for 'No Power' issues.

NO FL DISPLAY

Troubleshooting flowchart for scenarios where no picture is displayed.

NO SOUND

Troubleshooting flowchart for issues related to no audio output.

AUDIO_SS ASSY DIAGNOSIS

DIGITAL AMP BLOCK FLOWCHART

Troubleshooting steps for no sound related to the digital amplifier block.

Diagnosis Flow Chart from Error Symptom

Guides for diagnosing specific error symptoms like BERR, OL, DC Detection, TEMPERR.

NO PICTURE

Troubleshooting flowchart for issues where no video is displayed.

5.2 CIRCUIT DESCRIPTION

[1] Protection Circuit Process List

Details on how the protection circuits (Overheat, DC, Zobel, etc.) function.

[4] Error Indications

Error Indications (UE11, UE22, UE33)

6. SERVICE MODE

6.1 TEST MODE

How to enter TEST MODE and view protection history.

Key operation

Saving and Loading of USB backup state

7. DISASSEMBLY

[1] Front Section

[2] Rear Section

8. EACH SETTING AND ADJUSTMENT

8.1 ADJUSTMENT REQUIRED WHEN THE UNIT IS REPAIRED OR REPLACED

Specifies adjustments needed after replacing assemblies or parts.

8.2 HOW TO SAVE AND LOAD THE SETTING USING BACKUP FUNCTION WITH USB MEMORY

Instructions for backing up and restoring unit settings via USB.

8.3 REGION WRITING

8.4 HOW TO UPDATE FIRMWARE

Steps for updating the unit's firmware using USB memory.