Hitachi Projector CP-HD9950 User Manual

							121
Troubleshooting
IssuesCases not involving a machine defectPage
Pictures appear dark.
The brightness and/or contrast are adjusted to an 
extremely low level.
Adjust BRIGHTNESS and/or CONTRAST settings to a 
higher level using the menu function.
56
The projector is operating in Eco mode.
Set ECO MODE to NORMAL in the SETUP menu.71
The lamp is approaching the end of its product 
lifetime.
Replace the lamp.
102~ 
103
Only one lamp is running.
Check the LAMP MODE.71
The ambient temperature and humidity of the 
projector is too high.
The projector will operate in ECO mode as the ambient 
temperature exceeds 45°C and humidity exceeds 80%.
27, 
11 0
RICH COLOR mode is selected in COLOR WHEEL.
Try to switch the COLOR WHEEL to BRIGHT mode.60
High humidity environment
The brightness may decrease automatically, if the 
projector is used at high humidity environment.
- Use the unit within the humidity range. 
 10 to 80% (no condensation)
27
DIMMING LEVEL of Blending function is working.
Set DIMMING LEVEL to a higher level or set Blending - 
Mode to OFF.
44
Displayed image is partially dark.
Blending Region is set.
Set all Blending Region to OFF or set Blending – Mode to 
OFF.
41
ECO MODE setting cannot be changed.
Blending - Mode is set to MANUAL or CAMERA.
Set Blending – Mode to OFF.41
Menu is not displayed normally.
Blending - Mode is set to CAMERA.
Set Blending – Mode to other than CAMERA. Mode can 
be set forcibly to OFF by holding the KEYSTONE button.
41
(continued on next page) 
						

							122
Troubleshooting
IssuesCases not involving a machine defectPage
Pictures appear blurry
Either the focus and/or horizontal phase settings are 
not properly adjusted.
Adjust the focus using the FOCUS + / - buttons, and/or H 
PHASE using the menu function.
34, 
63
The lens is dirty or misty.
Clean the lens referring to the Optional Lens User's Manual.108
Some kind of image degradation such as flickering or stripes appear on screen. 
Flicker may appear on screen 
Switch the lamp ON and OFF or try to switch the Lamp 
mode once from NORMAL to ECO. 
71
The OVER SCAN ratio is too big.
Adjust OVER SCAN in the IMAGE menu smaller.62
Excessive VIDEO NR.
Change the setting of VIDEO NR in the INPUT menu.64
The FRAME LOCK function cannot work on the 
current input signal.
Set FRAME LOCK in the INPUT menu to OFF.
67
The image is unstable or is output intermittently.
When LAN, HDBaseT port is selected, some parts of 
the output may be missing due to signal processing 
delay.
Change the signal or use another port.
31
RS-232C does not work.
The SAVING function is working.
Select NORMAL for STANDBY MODE item in the SETUP menu.74
The COMMUNICATION TYPE for the CONTROL port is 
set to NETWORK BRIDGE.
Select OFF for COMMUNICATION TYPE item in the 
OPTION - SERVICE - COMMUNICATION menu.
91
Network does not work
The SAVING function is working.
Select NORMAL for STANDBY MODE item in the SETUP menu.74
The same network address is set for both wireless 
and wired LAN.
Change the network address setting for wireless or wired 
LAN.
*
Wrong settings on WIRED NETWORK
Select the correct port for LAN connection at the WIRED 
NETWORK under NETWORK menu.
*
*see the Network Guide
(continued on next page) 
						

							123
Troubleshooting
IssuesCases not involving a machine defectPage
The IR and RS-232C does not work on  
HDBaseT connection
The SAVING function is working.
Select NORMAL for STANDBY MODE item in the SETUP 
menu.74
HDBaseT connection does not work
The SAVING function is working.
Select NORMAL for STANDBY MODE item in the SETUP 
menu.
74
The connected equipment may not be supported by 
HDBaseT.
Refer to User's manual (detailed) for connection.
12~ 
14
IR and LAN does not work through HDBaseT
Check if the IR setting is OFF under HDBaseT.
EASY MENU > ADVANCED MENU > OPTION >  
SERVICE> REMOTE RECEIV.
90
Check if the LAN setting is HDBaseT.
EASY MENU > ADVANCED MENU > NETWORK > 
WIRED NETWORK
*
LAN does not work, if LAN is connected to the projector while having an input signal from HDBaseT
Check if the LAN setting is HDBaseT.
EASY MENU > ADVANCED MENU > NETWORK > 
WIRED NETWORK
*
This projector is compatible with 100BASE-T only.
Check the specification of the connected equipment.-
If the LAN cable is connected with the hub, try to change 
the connected port at the hub.-
If the LAN cable is connected directly to the computer, try 
to connect to other computer.-
No image is displayed through HDBaseT
Check the LAN cable if it is CAT5e certified or higher.-
Try to change the LAN cable.-
If the LAN cable is connected with more than three 
extension connector, the transmission of 100 meters may 
fail.
-
Check if the extension connector is compatible with 
CAT5e.
All LAN cable and extension connector connected with 
HDBaseT port must be CAT5e certified. 
-
*see the Network Guide
(continued on next page) 
						

							124
Troubleshooting
IssuesCases not involving a machine defectPage
No image is displayed through SDI/DIGITAL1
Check if it is connected with a cable of 5CFB or 
greater, or Belden 1694A or greater.-
Check if a cable with a length of 100m or less is used.-
Try to change the cable.-
Check if a supported signal format is input.-
NETWORK BRIDGE function does not work
The NETWORK BRIDGE function is turned off.
Select NETWORK BRIDGE for COMMUNICATION TYPE 
item in the OPTION - SERVICE - COMMUNICATION 
menu.
91
Schedule function does not work
The SAVING function is working.
Select NORMAL for STANDBY MODE item in the SETUP 
menu.
74
The internal clock has been reset.
Once you turn off the projector in the SAVING mode or the 
AC power, the current date and time setting is reset.
Check the DATE AND TIME setting for WIRELESS SETUP 
or WIRED SETUP in the NETWORK menu.
*
When the projector is connected to the network, it 
powers off and on as described below.
Powers off
POWER indicator blinks in orange a few times
Goes into  standby mode
Disconnect the LAN cable and check that the projector 
is working properly.
If this issue occurs after connecting to the network, there 
may be a loop between two Ethernet switching hubs within 
the network, 
-  Two or more Ethernet switching hubs are in a network.
- Two of the hubs are doubly connected by LAN cables.
- This double connection forms a loop between the two 
hubs.
Such a loop may have an adverse effect on the projector 
as well as the other network devices.
Check the network connection and remove the loop by 
disconnecting the LAN cables such that there is only one 
connecting cable between two hubs.
*
*see the Network Guide 
						

							125
Specifications
Specifications
See the Specifications in the User’s Manual (concise) which is a book.
End User License Agreement for the Projector Software
• Software in the projector consists of the plural number of independent software 
modules and there exist our copyright or/and third party copyrights for each of 
such software modules.
• Read “End User License Agreement for the Projector Software” which is 
separated document.