PT-RZ120 (serv.man2) - Panasonic Projector Service Manual (repair manual). Page 92

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ADJ-11
SECTION 3 ADJUSTMENTS
< RZ120 >
1. 7. LD unit runtime reset
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  When replacing the LD unit with a new one, use the service tool to reset the LD runtime.
1. 7.1. Equipment to be used
1. Computer : Use it for runtime reset  with service tool.
2. Communication cable : 
  
Serial terminal connection
D-sub 9pin (male/female RS-232C straight)
LAN terminal connection
LAN cable. (When connecting directly, use a cross cable)
3. Service Software : [LDRestTool.exe]       Download from the projector service website.
1. 7. 2. Connection Preparations
1. Check the settings of the projector.
  Serial terminal connection
1) Select the [RS-232C] of [PROJECTOR SETUP] menu and set [INPUT SELECT] according to the connection method.
2) Check the RS-232C settings (ID, Baudrate and Parity) and take a note.
    
 
LAN terminal connection
1) Select the sub menu [DIGITAL LINK MODE] of main menu [NETWORK] and set it to [AUTO] or [ETHERNET].
2) Check the network IP address of the projector and take a note.
3) Set the IP address of computer to approximate (same network group) value of the projector IP address.
  
•  If you have changed the each menu settings, please return settings to the original (customers) after work.
2. Connect the projector and the PC by using a communication cable.
1. 7. 3. Reset procedure
1. Switch the projector to "Normal-Standby" mode (ON/STANDBY indicator is lighting in red).
2. Start up service software [LDRestTool.exe] with a computer. 
3. Select the projector's model name.
Serial terminal connection example
LAN terminal connection example
Projector SERIAL IN
Communication cable (straight)
Computer
D-Sub 9P
(male)
D-Sub 9p (female)
LAN cable (straight)
LAN cable (straight)
Projector LAN
Computer
Hub
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