What does ‘iPod/USB Error 2 (I/U ERR2)’ mean on my Pioneer VSX-921-K?
- RRyan StewartSep 10, 2025
If your Pioneer Receiver displays ‘iPod/USB Error 2 (I/U ERR2)’, it means an unsupported iPod is connected. Connect a supported iPod.
What does ‘iPod/USB Error 2 (I/U ERR2)’ mean on my Pioneer VSX-921-K?
If your Pioneer Receiver displays ‘iPod/USB Error 2 (I/U ERR2)’, it means an unsupported iPod is connected. Connect a supported iPod.
Display | - |
---|---|
Product color | Black |
Audio decoders | Dolby Digital EX, Dolby Digital Plus, Dolby Pro Logic IIz, Dolby TrueHD, DTS Neo:6, DTS-HD |
Apple docking compatibility | iPad, iPhone, iPod |
Impedance | 16 Ω |
Receiver type | Surround |
Audio output channels | 7.1 channels |
Audio A/D Converter (ADC) | 24-bit/96kHz |
Signal-to-Noise Ratio (SNR) | 98 dB |
Power output per channel (1KHz@6 Ohm) | 125 W |
Power output per channel (1KHz@8 Ohm) | 110 W |
Power output per channel (20-20KHz@8 Ohm) | 80 W |
HDMI in | 4 |
Digital audio coaxial in | 1 |
Digital audio optical in | 2 |
Multichannel audio input type | Terminals |
Headphone outputs | 7 |
Headphone connectivity | 3.5 mm |
Connectivity technology | Wired |
Wi-Fi | No |
Audio formats supported | AAC, MP3, WMA |
Video formats supported | MPEG4 |
AM band range | 530 - 1700 kHz |
FM band range | 87.5 - 108 MHz |
Supported radio bands | AM, FM |
Preset stations quantity | 30 |
AC input voltage | 120 V |
AC input frequency | 60 Hz |
Power consumption (standby) | 0.4 W |
Power consumption (typical) | 500 W |
Depth | 362.5 mm |
---|---|
Width | 435 mm |
Height | 168 mm |
Weight | 9600 g |
General guidelines for service technicians and customer safety.
Information on special safety characteristics of components and risks of substitutes.
Conformance to regulations and safe servicing environment.
Procedures for optimum product performance and characteristic confirmation.
Technical details of the amplifier's power output and impedance.
Specifications for HDMI, USB, and other digital interfaces.
Procedures to confirm after service to ensure product quality and customer satisfaction.
List of specialized jigs required for diagnosis and firmware updates.
A high-level overview of the unit's internal connections and signal flow.
Detailed block diagram of the audio processing path for specific models.
Block diagram of the power supply and main control unit.
Step-by-step guide to diagnose and resolve common operational issues.
Explanation of adapter port overcurrent detection and error display.
Details on error messages related to USB and iPod connectivity.
How to view and interpret protection detection counts.
Procedure to clear protection detection counts.
Procedures for safely discharging capacitors before servicing.
Step-by-step instructions for disassembling the unit's front panel.
Steps for removing and replacing the D-MAIN circuit board.
Identifies when adjustments are needed after part or assembly replacement.
Guide for updating the unit's firmware for main and sub microcomputers.
Detailed procedure for adjusting idle current on the amplifier channels.
Exploded view of the packing contents and list of parts.
Exploded view of the unit's exterior parts for specific models.