Hitachi EDS-3170A, Service Manual

Page: 23 / 64

ED-S3170A/ED-X3270A
22
ED-S3170A/ED-X3270A
23
PIN LOCK System
If the following PIN BOX menu appears after power on the projector, the PIN LOCK system has been
activated. Under such a condition, key operations and signal displaying are inhibited. To open the PIN LOCK
system, we need to input the correct 4 digits PIN CODE. If correct PIN CODE is not input in 5 min., the lamp
will be automatically turned off.
PIN BOX
Returning repaired unit
Use the Master PIN code. See the paragraph of Releasing the PIN LOCK system inactivation.
Swap unit/Returned unit
Inactivate the PIN LOCK system. See the paragraph of the PIN LOCK system inactivation.
Releasing the PIN LOCK System
When the PIN BOX menu is displayed, sequentially enter the codes with remote controller as follows. In
accordance with remote controller button entry, “ ” mark appears in the PIN BOX menu.
Master PIN codes
1st entry code: Press the “MENU” button.
2nd entry code: Press the “ ” button.
3rd entry code: Press the “KEYSTONE” button.
4th entry code: Press the “ ” button.
Note: The Master PIN codes can be used up to 30 times. The codes cannot be used thereafter. If the Master
PIN codes cannot be used, see the paragraph of the PIN LOCK system inactivation.
The PIN LOCK System inactivation
1. When the PIN BOX menu is displayed, press “RESET” for 3 seconds or more in order to get the ID
Inquiring Code.
PIN BOX (ID Inquiring Code)
2. Send HITACHI sales company the Inquiring code (10 digits) to inquire the correct PIN code.
3. With the PIN BOX menu displayed, input the correct PIN code. Enter the correct PIN CODE that HITACHI
sales company informed.
4. Open menu and select “TURN OFF” from the PIN LOCK items in the OPTION menu. Then the PIN BOX
menu appears.
5. Input the correct PIN code in the PIN BOX menu.
6. And then, the OPTION menu appears.
After the PIN LOCK system is inactivated, the PIN BOX is no longer displayed in the OPTION menu.
If the PIN LOCK items are kept displaying, the PIN LOCK system is not inactivated yet. Input the correct PIN
CODE again.
Inquiring Code