Read Panasonic PT-MZ770 / PT-MW730 (serv.man3) Service Manual 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
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