KENWOOD - LG - KDV-MP4339 DVD Receiver - HOW TO UPGRADE THE MAIN FIRMWARE
SPECIFICATIONS
(KDV-MP4339/MP4439/MP5032)
Maximum output power: 50 W x 4
Full Bandwidth Power (at less than 1% THD) : 25 W x 4
Speaker Impedance: 4 – 8 Ω
Tone action
Bass: 100 Hz ±8 dB
Middle: 1 kHz ±8 dB
Treble: 10 kHz ±8 dB
Pre out level / Load (CD) : 4000 mV/47 kΩ
Pre out impedance: ≤ 600 Ω
(KDV-3241Y)
Maximum output power : 50 W x 4
Output power (DIN 45324, +B=14.4V) : 30 W x 4
Speaker Impedance: 4 – 8 Ω
Tone action
Bass: 100 Hz ±8 dB
Middle: 1 kHz ±8 dB
Treble: 10 kHz ±8 dB
Pre out level / Load (CD) : 4000 mV/47 kΩ
Pre out impedance: ≤ 600 Ω
MAIN FIRMWARE UPGRADE
Caution: If power is off on the way of upgrading firmware,
the set can’t be recovered. Therefore
pay lots of attention for power not to be off.
Confirmation of version information
* Change the Source of audio set to CD/DVD. (Default: tuner)
* Turn power off using power key.
* Press power key for 5 sec. (After power on, continue
pressing)
* After 5 sec, beep sound rings two times. Then version information would show up at display.
* In order to check version of MAIN/CD system, Press band key.
* The version of system for main & CD is displayed in
sequence.
Upgrade Program reading
Insert update CD in ACC on state and then [READING>
M_UPGRAD] is displayed in order.
Upgrade start
In order to start upgrade, Press 1 [ENTER] key.
Upgrade progress display
Upgrade is in progress now.
[Erase > Write > I-VRF > D-VRF]
Upgrade Completion.
When Upgrade finished, the display shows up “DOWN OK”. After
3 seconds, the audio set is reset automatically.
