Panasonic PT-MZ770 / PT-MW730 (serv.man3) Service Manual ▷ View online
ADJ-9
SECTION 3 ADJUSTMENTS
<MZ770/MW730>
1. 10. Ghost feedback calibration
This ghost feedback (GCFB) function operates to control the ghost
to be the best position constantly by detecting the aging fluctuation
of GCFB pulse generated from LCD panels. Projector reads out the
pulse status at the production and memorizes it as initial value.
* This calibration should be done when the optical block is replaced.
When the A-PCB is replaced, the item "1.4. Adjusted data transfer"
should be done to get its initial value.
1. Enter the service mode (EXTRA OPTION) and select [GHOST FB
CALIBRATION].
2. Press [ENTER] button to start the calibration.
3. When calibration is complete, the message will appear on the
screen.
4. Press [MENU] button to exit the adjustment mode.
EXTRA OPTION
1/2
CMS
SELF CHECK
SELF CHECK
SHUTTER KEEP
ON
OFF
L
NORMAL
FLICKER ADJUST
POWER OFF MESSAGE
ERROR OSD
MODEL
PANEL TYPE SETTING
PANEL DRIVE SETTING
KEYSTONE CALIBRATION
POWER OFF MESSAGE
ERROR OSD
MODEL
PANEL TYPE SETTING
PANEL DRIVE SETTING
KEYSTONE CALIBRATION
RGB PIXEL ADJUST
GHOST FB CALIBRATION
CLOG SENSOR CALIBRATION
MENU SELECT
CHANGE
ENTER
GHOST FB CALIBRATION
OK
1. 11. Color control function Off
This model has a function to compensate the color balance change of
image due to aging. When replacing the LD unit, Phosphor wheel, PBS,
integrator lens or PD2-PCB, need to disable this function. Disable the func-
tion following to the steps below.
1. Enter the service mode (EXTRA OPTION) and select [COLOR
CONTROL].
2. Set [OFF] by using [
t
] [
u
] button.
EXTRA OPTION
2/2
INDICATOR SETTING
DIGITAL LINK OPTION
DIGITAL LINK OPTION
NORMAL
ON
0
0ms
COLOR CONTROL
DEFAULT NETWORK ACCOUNT
WAIT UNMUTE
MENU SELECT
CHANGE
ENTER
COMMAND CONTROL TIMEOUT
OSEC.
2
SIGNAL SENSITIVITY
DEFAULT
WIRELESS REGION SELECT
DEFAULT
ON
HDMI NOISE MUTE
ADJ-10
SECTION 3 ADJUSTMENTS
<MZ770/MW730>
1. 12. LD unit runtime reset
When replacing the LD unit with new one, the LD unit runtime should be reset by using the service tool.
1.12.1. Equipment to be used
1. Computer : Use it for runtime reset with service tool.
2. Communication cable :
Serial terminal connection
D-sub 9 pin (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 Web
1.12.2. Connection Preparations
1. Check the settings of the projector.
Serial terminal connection
1) Select the sub menu [RS-232C] of the main menu [PROJECTOR SETUP] and setup [INPUT SELECT] accorcing to the
connecting environment.
2) Select the sub menu [RS-232C] of the main menu [PROJECTOR SETUP] and setup [EMULATE] to [OFF].
3) Check the RS-232C setting (ID, Baudrate, Parity) of the projector and take a note.
LAN terminal connection
1) Select the sub menu [NETWORK STATUS] of the main menu [NETWORK/USB] and check the IP address of the wirel
LAN and take a note.
2) Setup the IP address of computer's network to the same network group of the projector.
3) When using <DIGITAL LINK/LAN> terminal only, setup [DIGITAL LINK MODE] of [NETWORK/USB] menu to [AUTO] or
[ETHERNET].
If you change each menu settings, restore all the settings to the original (customers) after work.
2. Connect the projector and the PC by using a communication cable.
LAN terminal connection example
Serial 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
1.12.3. Reset procedure
1. Set the projector to "Normal-Standby" mode (ON(G)/STANDBY(R) indicator lights in red).
2. Start up service software (LDRestTool.exe) with a computer.
ADJ-11
SECTION 3 ADJUSTMENTS
<MZ770/MW730>
3. Select the model name of the projector.
4. Select [Setting] of [Option] menu, then select connection method and enter the setting information of the projector.
Serial terminal connection
• Select [SERIAL] menu and set up the Serial Port, Baudrate and Parity of the PC
LAN terminal connection
• Select [LAN] menu and set up the IP address, Username, Password and Command Port of the projector.
Please take [Serial terminal connection] if the default Username and Password are changed.
5. The status and runtime of each LD unit will be displayed by clicking [Get Information] button.
Items
Default
Seial
Port
–
Baud Rate
9600bps
Parity
None
LAN
IP Address
192.168.10.100
Username
dispadmin
Password
@Panasonic
Command Port
1024
ON : Normal
OFF : Abnormal
ADJ-12
SECTION 3 ADJUSTMENTS
<MZ770/MW730>
6. Click [Reset] button corresponding to the replaced LD unit No.
[Display example] The open failure occurs on the LD1-1.
When the open failure occurred, the
text characters becomes red.
In addition, "OFF" is displayed on sta-
tus.
LD1-4
LD1-3
LD1-2
LD1-1
[Reference] All LD units location
Click on the first or last page to see other PT-MZ770 / PT-MW730 (serv.man3) service manuals if exist.