What to do if Clarion ADB340MP Car Receiver has microcomputer reset failure?
- MMrs. Cynthia Johnson DDSAug 15, 2025
If your Clarion Car Receiver experiences a microcomputer reset failure, check pin R781, R794 for a reset issue.

What to do if Clarion ADB340MP Car Receiver has microcomputer reset failure?
If your Clarion Car Receiver experiences a microcomputer reset failure, check pin R781, R794 for a reset issue.
What to do if my Clarion ADB340MP Car Receiver has no operation?
If your Clarion Car Receiver is not working, there could be several reasons. It could be due to a power input failure, in which case you should check the power input circuit L601, J214, and J215. Another cause could be a POWER ON circuit failure; inspect Q601, Q602 for 5V output normal failure.
Why Clarion ADB340MP has no operation because of no 5V output?
If your Clarion Car Receiver isn't operating because of a missing 5V output, check Q703 PIN 2 for microcomputer IC701 failure.
What to do if Clarion ADB340MP has no operation because of no B/U power output?
If your Clarion Car Receiver is not working because there is no B/U power output, check Q621 collector for 14V output failure.
What to do if Clarion ADB340MP Car Receiver has no operation because of no function operated?
If your Clarion Car Receiver isn't operating because no function is working, inspect Q602 base for microcomputer IC701.
What to do if Clarion Car Receiver has no operation because of 0V output failure?
If your Clarion Car Receiver is not working because of a 0V output failure, check IC501 PIN 22 for power amp IC failure.
Why Clarion Car Receiver has no operation because of 8.6V output failure?
If your Clarion Car Receiver isn't operating because of an 8.6V output failure, inspect Q612 emitter for AUDIO 8V input power failure.
What to do if Clarion ADB340MP Car Receiver has no operation because of 14V output failure?
If your Clarion Car Receiver is not working because of a 14V output failure, check Q363 collector for cassette 5V input power failure.
Why Clarion Car Receiver has no operation because of 6V output failure?
If your Clarion Car Receiver isn't operating because of a 6V output failure, inspect IC631 OUT for CD6V input power failure.
| Type | CD Receiver |
|---|---|
| Tuner | AM/FM |
| CD Player | Yes |
| MP3 Playback | Yes |
| WMA Playback | Yes |
| USB Port | No |
| Bluetooth | No |
| Equalizer | Yes |
| DIN Size | Single DIN |
| Detachable Face | Yes |
| Display Type | LCD |
| CD-R Playback | Yes |
| CD-RW Playback | Yes |
| AM/FM Presets | 18 |
| EQ Bands | 3 |
| Remote Control | Yes |
| Auxiliary Input | Yes |
| Channels | 4 |
| Max Power Output | 50W x 4 |
| RMS Power Output | 22W x 4 |
| Preamp Voltage | 2 Volts |
Describes the flip-down panel feature and its handling precautions.
Explains that 3-inch discs cannot be played and warns against using adapters.
Provides guidelines for handling compact discs to prevent damage or playback issues.
Outlines precautions for handling cassette tapes to prevent malfunctions.
Explains the function of each button on the source unit.
Lists and explains the various indicators shown on the unit's display.
Describes the LCD screen and its behavior in different temperatures.
Covers fundamental operations like power control, volume adjustment, and display switching.
Details how to tune stations, store presets, and use radio functions.
Explains how to play CDs and MP3 discs, including track selection and folder navigation.
Describes how to load, play, pause, and use tape functions like FF/REW.
Covers settings applicable across different modes, such as clock, display, and screen saver.