Brand: PIONEER
Category: Headphones
Document Type: Manual
Language: EN
Available Languages: EN , ES
Manual for SE-DIR800C
Uploaded: Nov. 21, 2025, 7:51 p.m.
Manual Publish Date: 2004-03-01
Transmitter Operation
Power On/Off: Press the STANDBY/ON button.
Standby Mode: The Standby indicator lights up when the transmitter is in standby.
Battery Charging: The CHARGE indicator lights up during charging and turns off when fully charged.
Dolby Headphone Mode: Press the DOLBY HEADPHONE button to select DH1, DH2, DH3, or OFF.
Dolby Pro Logic II Mode: Press the DOLBY PRO LOGIC II button to select AUTO, MOVIE, MUSIC, or OFF.
Input Selection: Press the INPUT button to select DIGITAL 1, DIGITAL 2, or ANALOG.
Volume Control: Adjust the headphone volume using the VOLUME control.
Battery Compartment: Used for recharging batteries.
Headphones Operation
Volume Control: Use the VOL control to adjust the volume.
Power On/Off: Press the POWER switch.
Battery Compartment: Open the cover to insert batteries.
Troubleshooting and error codes
| No. | Pin Name | I/O | Function |
|---|---|---|---|
| 51 | TEST32 | O | Test pin, normally open-circuit |
| 52 | TEST33 | O | Test pin, normally open-circuit |
| 53 | TEST34 | O | Test pin, normally open-circuit |
| 54 | TEST35 | O | Test pin, normally open-circuit |
| 55 | TEST36 | O | Test pin, normally open-circuit |
| 56 | VDD | - | Digital power supply |
| 57 | TEST37 | I | Test pin, normally fixed to L |
| 58 | TEST38 | O | Test pin, normally open-circuit |
| 59 | TEST39 | O | Test pin, normally open-circuit |
| 60 | TEST40 | O | Test pin, normally open-circuit |
| 61 | VSS | - | Digital GND |
| 62 | TEST41 | O | Test pin, normally open-circuit |
| 63 | TEST42 | O | Test pin, normally open-circuit |
| 64 | TEST43 | O | Test pin, normally open-circuit |
| 65 | TEST44 | I | Test pin, normally fixed to L |
| 66 | TEST45 | I | Test pin, normally fixed to L |
| 67 | TEST46 | I | Test pin, normally fixed to L |
| 68 | TEST47 | I | Test pin, normally fixed to L |
| 69 | VSS | - | Digital GND |
| 70 | NC | - | Non connection |
| 71 | OSCO | O | X'tal resonator circuit output (24.576MHz) |
| 72 | VSS | - | Digital GND |
| 73 | OSCI | I | X'tal resonator circuit input (24.576MHz) |
| 74 | XOSCEN | I | Stop function control of X'tal resonator circuit |
| 75 | TEST48 | I | Test pin, normally fixed to L |
| 76 | TEST49 | I | Test pin, normally fixed to L |
| 77 | VDD | - | Digital power supply |
| 78 | NC | - | Non connection |
| 79 | VSS | - | Digital GND |
| 80 | TEST50 | O | Test pin, normally open-circuit |
| 81 | TEST51 | O | Test pin, normally open-circuit |
| 82 | TEST52 | O | Test pin, normally open-circuit |
| 83 | VSS | - | Digital GND |
| 84 | TEST53 | O | Test pin, normally open-circuit |
| 85 | TEST54 | O | Test pin, normally open-circuit |
| 86 | TEST55 | O | Test pin, normally open-circuit |
| 87 | VPD | - | Penetration current prevention pin, normally fixed to L |
| 88 | EMP | O | Emphasis output (Off/On=L/H) |
| 89 | FSO0 | O | Sampling frequency detecting output 0 |
| 90 | FSO1 | O | Sampling frequency detecting output 1 |
| 91 | DTVALID | - | Data valid flag (Valid/Invalidity = H/L) |
| 92 | TXOUT | O | Digital audio interface format output |
| 93 | DAOUT | O | Data output for audio DA converter |
| 94 | VSS | - | Digital GND |
| 95 | RXIN | I | Digital audio interface format input |
| 96 | DTIN | I | Data input |
| 97 | BCKIN | I | Bit clock input |
| 98 | LRCKIN | I | LR clock input (L ch/R ch = H/L) |
| 99 | LRCKO | O | LR clock output (L ch/R ch = H/L) |
| 100 | VDD | - | Digital power supply |