JVC DLA-HD1 – How to enter to service mode – LED blinking codes and causes

JVC HD projector – JVC DLA-HD1 – How to enter to service mode – LED blinking codes and causes – Lamp time back up adjustments

SERVICE MENU

The service menu contains items not ordinarily needed by the user. Use these as necessary during service.
How to enter to service mode
(1) No menu shown.
(2) Press the UP button.
(3) Within press the DOWN button.
(4) Within press the RIGHT button.
(5) Within press the LEFT  button.
(6) Within press the [ENTER] button to display the service menu.
NOTE:
When the Service Menu Screen is not displayed, go back to the beginning. It is recommended that you press the buttons a little earlier and steadily.
How to exit service mode
Press the [MENU] button to exit the menu indication.

Basic operation in service mode
Use the following buttons to operate the service menu.
(1) Choose the SETTING MENU with the UP/DOWN button.
(2) When the RIGHT button is pressed after choosing the SETTING MENU, the cursor will shift to the SETTING / ADJUSTMENT ITEMS of each SETTING MENU.
(3) When the cursor is shifted, choose the SETTING / ADJUSTMENT ITEMS with the UP/DOWN button.
(4) Using the LEFT/RIGHT button, change the setup values and adjustment values, respectively.
(5) When the [EXIT] button is pressed, the cursor will return to the SETTING MENU.
(6) When the [MENU] button is pressed, the SERVICE MENU will go out of the screen.
NOTE:
The SERVICE MENU will go out of the screen automatically after 10 seconds if you do not press the [MENU] button.

ADJUSTMENT PROCEDURE
LAMP TIME BACKUP

Note :
Perform this operation during standby mode.
(1) Run HD1_LAMP_Copy.exe and start HD1_LAMP_Copy.
(2) From the COM Port, select the PC COM number being used.
(3) Extract the log using the Receive button and save it as a text file.
(4) After replacing the PROCESSOR PWB, select a file with the extension rmd and click the Transmit button.
(5) The backup Color temperature, Pixel shift and Lamp time will be rewritten.

ADJUSTMENT
(1) Set CL-200 approximately in the center of the image, facing the projector.
(2) Input 50% white in the HDMI terminal from the signal generator.
(3) From the setting menu, set Image Profile to “Natural” and Gamma to “NORMAL”.
(4) Set lens shift position to mechanical center.
(5) From the Image Quality menu, set Contrast, Brightness and Offset to “0”.
(6) From the Service menu, set <Adjust>to <Color temperature>.
(7) Adjust the color temperature such that “Low” and “Medium” have the following settings. Use Blue to adjust color temperature and Green to adjust the deviation. For red, do not adjust. Low: Color temperature 6000 ± 50, Deviation 0 ± 0.05 Medium: Color temperature 6600 ± 50, Deviation 0 ± 0.05.

PIXEL SHIFT
(1) From Service menu, select the adjustment pattern of the color cross-hatch.
(2) From the Service menu, set <Adjust>to <Pixel Shift>.
(3) Adjust [H Pixel Adj.R], [H Pixel Adj.G], [H Pixel Adj.B] to make H direction (Pixel Shift) to become the best point.
(4) Adjust [V Pixel Adj.R], [V Pixel Adj.G], [V Pixel Adj.B] to make V direction (Pixel Shift) to become the best point.

Note :
Perform this operation during standby mode.
ADJUSTMENT
(1) Run Region Writer.exe and start Region Writer.
(2) From the COM Port on the top left of the screen, select the PC COM number being used.
(3) From the US/JAPAN/EU/CHINA buttons in the center of the screen, click the destination button for the set to be written.
(4) Writing is successful if [OK] appears on the top right of the screen.

LED (INDICATOR) WARNING INDICATIONS
Led indication contents
If an abnormality occurs during operation (projection), the content of the problem can be determined from flashing LED indicators. When an LED indicates, operation (projection) automatically stops and the cool-down mode (about 60 seconds) is entered then the stand-by mode.

Error code	LAMP LED	WARNING LED	FLASHING TIME	Warning cause (projector mode)
------	@			Lamp usage time has exceeded 1900 hours.
02	@			Lamp usage time has exceeded 2000 hours.
01	#	@	0.5 SECONDS	No projection caused by the lamp failure.
06	#	@	0.5 SECONDS	Lamp extinction during the projection
15	#	@	0.5 SECONDS	The lamp cover is removed
11		@		SUB CPU malfunctions.
08		@		Internal temperature becomes extraordinarily higher.
09		@		Exhaust temperature at the vent is extraordinarily high or forced high due to high ambient temperature
07		@		Ventilation fan in the unit is stopped. [Fan Lock]
16		@		Error communication in DD CPU
17		@		DD CPU is reset
18		@		DD CPU malfunctions.

 @: Turned on during operation

 #: Alternate Lighting/Extinction during operation [Flickering interval]

RROR LOG (SELF-DIAGONOSIS RECORD AND INDICATION)
By using the special setting and adjustment software, data related to abnormal operation (history) stored in the projector can be load. On the basis of contents "LED (INDICATOR) WARNING INDICATONS" set and lamp use time, internal and external temperature, and other data prior to the previous usage time can be viewed as a table.
HOW TO LOAD THE DATA FROM UNIT
(1) Install the software in a personal computer and connect by RS-232C IN terminal (use cross cable).
(2) Set the projector to stand-by mode.
(3) Start the setting and adjustment software.
(4) Click the [Receive] button and save the TEXT file. Data become the latest data so as to go below.
(5) The first number is error code.
(6) Click the [Reset] button and delete all data stored in projector.

Item	Detected condition
Error code	01:No projection caused by the lamp failure.
	02:Lamp usage time has exceeded 2000 hours.
	03:Error of IIC data
	06:Lamp extinction during the projection
	07:Ventilation fan in the unit is stopped. [Fan Lock]
	08:Internal temperature becomes extraordinarily higher.
	09:Exhaust temperature at the vent is extraordinarily high or forced high due to high ambient temperature
	11:SUB CPU malfunctions.
	15:The lamp cover is removed
	16:Error communication in DD CPU
	17:DD CPU is reset
	18:DD CPU malfunctions.
	20:Lamp did OFF by sleep time function.
	F0:Just after POWER ON
	F1:Once a hour after POWER ON
	F2:POWER OFF(Included Emergency mode)