Pioneer DEH-3850MPH - User Manual

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Overview

Function Description
Important Technical Specifications
Usage Features
Maintenance Features

This document describes the Pioneer DEH-3850MPH, a high-power CD/MP3/WMA player with FM/AM tuner.

Function Description:

The Pioneer DEH-3850MPH is a car audio system designed to provide a versatile listening experience. It integrates a CD player capable of playing standard audio CDs as well as discs containing MP3 and WMA files. Additionally, it features an FM/AM tuner for radio reception. The unit offers various audio adjustment functions, including a 3-band equalizer, loudness control, and subwoofer output control, allowing users to customize the sound to their preferences. The system also includes initial settings for clock adjustment and tuner step settings.

Important Technical Specifications:

General:
- Power source: 14.4 V DC (allowable voltage range: 12.0 – 14.4 V DC)
- Grounding system: Negative type
- Max. current consumption: 10.0 A
- Dimensions (W x H x D):
  - Chassis: 178 x 50 x 157 mm
  - Nose: 188 x 58 x 19 mm
- Weight: 1.3 kg
Audio:
- Maximum power output: 50 W x 4
- Continuous power output: 22 W x 4 (50 – 15,000 Hz, 5% THD, 4Ω load, both channels driven)
- Load impedance: 4 – 8Ω x 4
- Preout max output level/output impedance: 2.2 V / 1 kΩ
- Equalizer (3-band parametric equalizer):
  - Low: Frequency 40/80/100/160 Hz, Q Factor 0.35/0.59/0.95/1.15 (+6 dB when boosted), Gain ±12 dB
  - Mid: Frequency 200/500/1k/2k Hz, Q Factor 0.35/0.59/0.95/1.15 (+6 dB when boosted), Gain ±12 dB
  - High: Frequency 3.15k/8k/10k/12.5k Hz, Q Factor 0.35/0.59/0.95/1.15 (+6 dB when boosted), Gain ±12 dB
- Loudness contour: +3 dB (100 Hz), +3 dB (10 kHz) / +6 dB (100 Hz), +6.5 dB (10 kHz) / +11 dB (100 Hz), +11 dB (10 kHz) (volume: -30 dB)
- HPF: Frequency 50/63/80/100/125 Hz, Slope -12 dB/oct
- Subwoofer (mono): Frequency 50/63/80/100/125 Hz, Slope -18 dB/oct, Gain +6 – -24 dB, Phase Normal/Reverse
- Bass boost: +6 – -12 dB
CD Player:
- System: Compact disc audio system
- Usable discs: Compact disc
- Sampling frequency: 44.1 kHz
- Number of quantization bits: 16-bit linear
- Frequency characteristics: 5 – 20,000 Hz (±1 dB)
- Signal-to-noise ratio: 94 dB (1 kHz) (IEC-A network)
- Dynamic range: 92 dB (1 kHz) (IEC-A network)
- Number of channels: 2 (stereo)
- MP3 decoding format: MPEG-1 & 2 Audio Layer 3
- WMA decoding format: Ver. 7, 8, 9, 10 (2ch audio)
- WAV signal format: Windows Media Player™ Linear PCM & MS ADPCM
FM Tuner:
- Frequency range: 87.5 – 108.0 MHz
- Usable sensitivity: 8 dBf (0.7 µV/75 Ω, mono, S/N: 30 dB)
- Signal-to-noise ratio: 70 dB (IEC-A network)
- Frequency response: 30 – 15,000 Hz (±3 dB)
- Stereo separation: 45 dB (at 65 dBf, 1 kHz)
AM Tuner:
- Frequency range: 531 – 1,602 kHz (9 kHz) / 530 – 1,640 kHz (10 kHz)
- Usable sensitivity: 22 µV (S/N: 20 dB)
- Signal-to-noise ratio: 65 dB (IEC-A network)
Infrared Remote Control:
- Wavelength: 940 nm ±50 nm
- Output: 2 mW/sr per infrared LED

Usage Features:

Power ON/OFF: The unit can be turned on by pressing the SOURCE button. To turn it off, press and hold the SOURCE button.
Source Selection: Users can switch between Tuner, Built-in CD player, and other available sources by repeatedly pressing the SOURCE button.
CD Playback: Insert a CD into the loading slot, and playback will start automatically. The unit supports standard 12-cm or 8-cm CDs. Fast forward/reverse and track skipping functions are available.
MP3/WMA Playback: The unit can play MP3/WMA files from CDs. It displays folder and track numbers, as well as play time. Similar to CD playback, fast forward/reverse and track skipping are supported.
Tuner Operation:
- Listening to the radio: Tune to desired stations manually or by seeking.
- Introduction of advanced tuner operation: Includes functions like Local Seek (LOC) for strong signals and BSM (Best Stations Memory) for automatically storing the strongest broadcast frequencies.
- Storing and recalling broadcast frequencies: Up to 18 FM and 6 AM stations can be stored and recalled using preset buttons.
Audio Adjustments:
- Using the equalizer: A 3-band parametric equalizer (Low, Mid, High) allows for fine-tuning of sound frequencies. Six stored equalizer curves (Super Bass, Powerful, Natural, Vocal, Custom, EQ Flat) are available, and a custom curve can be created.
- Adjusting loudness: The loudness function enhances low and high-range sounds at low volumes.
- Using subwoofer output: Control the subwoofer output frequency range and level.
- Adjusting subwoofer settings: Set the subwoofer output to 80 Hz (default) and adjust the level.
- Front Image Enhancer (F.I.E.): This feature creates a simple method of enhancing the front soundstage.
- Adjusting source levels (SLA): Adjusts the volume level of each source to prevent radical changes when switching between sources.
Initial Settings:
- Adjusting initial settings: Set the clock (hours and minutes) and choose between 100 kHz or 50 kHz FM tuning steps and 9 kHz or 10 kHz AM tuning steps.
- Setting the rear output and subwoofer controller: Configure the rear output (rear speaker leads or RCA output) as full-range speakers or subwoofer output.

Maintenance Features:

Protecting your unit from theft: The front panel can be detached and stored in the provided protective case to prevent theft.
Installing the battery (remote control): Slide out the battery tray and insert the battery, ensuring correct polarity.
Removing the front panel: Press the DETACH button to release the front panel, then grasp and remove it.
Attaching the front panel: Place the front panel flat against the head unit until it is firmly seated.
CD player and care:
- Use only CDs that have either of the two Compact Disc Digital Audio marks.
- Do not insert anything other than a CD into the CD loading slot.
- If a disc cannot be inserted or does not play, check that the label side is up.
- Eject the disc and check for damage before re-inserting.
- Clean CDs with a soft cloth from the center outwards.
CD-R/CD-RW discs:
- Playback is possible only for discs that have been finalized.
- Playback may not be possible on some CD-R/CD-RW discs recorded on a computer due to disc characteristics, scratches, or dirt.
- Playback on a personal computer may not be possible depending on settings and environment.
- Playback may be impossible in cases of direct exposure to sunlight, high temperatures, or static electricity.
- Titles and other text information recorded on a CD/CD-R/CD-RW disc may not be displayed by this unit.
WMA, MP3 and WAV files:
- WMA is short for Windows Media™ Audio, an audio compression technology developed by Microsoft Corporation.
- WAV is short for waveform, a standard audio file format for Windows®.
- VBR (variable bit rate) is more widely used than CBR (constant bit rate).
- This unit may not operate correctly depending on the application used to encode WMA files.
- Playback may be slightly delayed when starting playback of WMA files encoded with image data.
- The maximum number of characters for a filename is 64.
- The maximum number of characters for a folder name is 64.
- The maximum number of folders recorded on a CD is 256.
- The maximum number of files recorded on a CD is 512.
- Playback with discs with MP3/WMA/WAV files and audio data (CD-DA) such as CD-EXTRA and MIXED-MODE CDs can be switched by pressing the BAND button.
Additional Information: The manual provides detailed explanations of terms like Bit rate, ID3 tag, ISO9660 format, Linear PCM, MS ADPCM, Multi-session, Number of quantization bits, Packet write, VBR, WAV, and WMA. It also illustrates the folder structure for MP3/WMA/WAV files.