Sunday, January 22, 2017

Kenwood DDX3021- DDX3049 - DDX3051 - DDX319 - Service mode – Service mode menu – SS mode


SERVICE MODE
Switching to service mode
While pressing the [TEL] (1) key, within 0.5sec., touch upper left corner (2) of the touch panel, and then within 2 sec., touch upper right corner (3) of the touch panel.
SREVICE MODE MENU
1. INITIALIZE ALL MENU
# Initialize backup memory, installer memory
# Initialize DISC module (Initialize to normal).
# Initialize Bluetooth module.
# Initialize user-captured wall paper area.
Clear the user-captured area of APP u-com F. ROM and bring back to the default condition (all black).
# Do not clear touch panel adjustment data/ TUNER adjustment data/ TUNER span information/ serial number.
When INITIALIZE terminated abnormally
Determine error in each block of SYSTEM/ DISC/ BT.
# In case of Bluetooth, Initialize Error is also considered as abnormal termination
Discontinue process once NG is detected, and display the corresponding error as follows.
NG SYSTEM: Clearing of the unit set EEP (APP management and SYS management) terminated abnormally
NG DISC: Clearing of DISC module EEPROM terminated abnormally.
NG BT: BT module initialization terminated abnormally.
The screen will  retained until the [EXIT] key is pressed.
When the [EXIT] key is pressed, normal screen is brought back.
2. TEMPERATURE
Displays DISC module temperature (displays in 3 digits).
Acquires data from the module and updates the display every 30
seconds, as is done in the normal operation mode.
3. BT MICROPHONE TEST
The mode for confi rming the normal operation of BT audio circuit by inputting audio from MIC and outputting from the speaker.
# Switch the audio selector to Bluetooth.
# Send Bluetooth Loopback START command to TCC.
# Send to TCC the command for setting Mic Gain, set at Gain 2 (fixed).
While executing MICROPHONE TEST
Retain the above screen until [EXIT] key or [BACK] key is pressed.
MICROPHONE TEST completed
This mode can be cleared only by turning the power OFF.
[BACK] / [EXIT] keys prohibited
4. BT DONGLE CHECK MODE
Mode for checking if the Telechips module USB terminal operates electrically normally.
Test only after the BT dongle is inserted.
Upon moving to this mode, display the following after the BT dongle is correctly detected.
[BACK] key: Returns to the SS mode or service mode screen
[EXIT] key: Exits the SS mode or service mode Display the following if the BT dongle cannot be correctly detected.
[BACK] key: Returns to the SS mode or service mode screen
[EXIT] key: Exits the SS mode or service mode
If the inserted BT dongle is inserted while the above NG screen is displayed, switch to the OK display.
5. FIRMWARE UPDATE MODE
(1) [SYSCOM] key
Perform Update when a USB device containing the Update data is inserted.
# Select a USB source before moving to the service mode.
# Beep sound is output while Update is in progress and when it is complete, so make sure a speaker is connected.
Output beep sound at regular intervals while Update is in progress.
Do not renew display after Update is complete. Alter the interval of beep sound to notify its completion.
Press the Reset button after Update is complete to return to normal operation
(2) [APPCOM] key
Perform Update when a USB device containing the Update data is inserted.
*Select a USB source before moving to the service mode.
(3) [Bluetooth] key
# When a BT dongle is inserted in the Telechips USB terminal or when nothing is inserted  > No transition of operation.
# When a USB memory is inserted in the Telechips USB terminal >Transit to the following screen, send [Play] key to the address USB, and allow reading of fi les in the USB memory.
#If update information (Update file in the ROOT folder) command is received, control thereafter follows the specifications of the module.
# If USB fi le information command is received, it is considered that Update data was not acknowledged and the following screen is displayed.
# Or, the same screen is displayed when update information (update error) is received.
Please POWER OFF WILL  displayed when is update successful
Production mode
Key operation when going into production mode
Press and hold the [FNC] key (1) and press the [RESET] key (2).
SS mode
Switching to SS mode
Press and hold the [TEL] key (1) and, within 0.5 sec., touch the upper right corner (2) of the touch panel