Hitachi 51F59A, Руководство по обслуживанию

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30
DP65
ADJUSTMENT PROCEDURE START-UP
The
51F59/A/J,
57F
59/
A
/J
and 65F
59/
A
/J
P
TV
sets
pass thr o ugh adjustment procedures during the assembly
process. These adjustments must be done to assure the
best performance of the
PTV
set for the consumer.
Also, after servicing, these same adjustments must be
done.
Most of the
adjustments are made
by
the I
2
C bus
by changing data in the Adjustment mode menu.
O
n pages
61
-
90
shows the complete parameter
list
with a brief description, signal format, the adjustment
range and the initial data.
1.1 HOW TO GET TO ADJUSTMENT MODE
Chassis adjustment mode can be access by
first press
and keep press the MENU key on the CONTROL PANEL
of the TV, then press the R/C keys MENU+8+SELECT
to enter adjustment mode.
Other way to access this mode is by use JIG R/C code: (9C Hex).
To escape from Adjustment Mode press “INPUT” key on Side
panel or EXIT key of R/C to exit service adjustment mode.
1.2 CHANGING DATA AND SELECTING ADJUSTMENT
CODE
When the P
TV
set is in adjustment mode, the cursor
F
,
E
,
G
,
H
and MENU keys of the remote control or front panel
may be used as the adjustment keys.
A. Use any Hitachi remote control when making an
adjustment.
G
,
H
keys are used for selecting adjustment item .
F
,
E
keys are used for changing data values.
MENU key is used to advance through the adjustment
mode menus and pages.
SERVICE
SUB BRIGHT
WHITE BAL HIGH
WHITE BAL MED
WHITE BAL STD
WHITE BAL B/W
H POSITION **
V POSITION **
FACT RESET
EXIT
EXIT
SELECT
MENU
B
. After finishing the necessary adjustment press the R/C
EXIT key or EXIT key on the side panel.
Adjustment mode is released and PTV set returns to
normal condition.
2 MEMORY INITIALIZE
2.1 MEMORY INITIALIZE OPERATION
NOTE: The execution of this function returns the
adjustment codes to the preset values, therefore,
adjustment data will be lost
.
Procedure 1
(1) Enter Adjustment mode by the method described in
sub-items 1.1 and 1.2 from item 1 (“Adjustment
procedure start up”).
(2) Get to the second page of Adjust Mode by pressing
remote control “Menu” key once, or with either the
R/C or front panel
G
,
H cursor keys several times.
(3) Select MEMORY INIT adjust code.
(4) Activate MEMORY INIT by pressing
E cursor key for
more than 3 seconds.
(5) Check the
following process for initialization opera-
tion.
EXIT
EXIT
SELECT
MENU
Remote Control Buttons
Change
Selection (Up)
Increase
Data Value
Change
Selection (Down)
Increase
Data Value
Control Panel Buttons
( 8 ) When PTV turns ON , it will tune CH03 this is the
complete operation of Memory Initialize process.
·Process of Memory Initialize operation.
A screen is be colored cyan when MEMORY INIT
start.
A screen is be colored green when MEMORY INIT
finish normally.
A screen is be colored
RED
when MEMORY INIT
finish abnormally.
(6) Do not unplug from AC outlet until this operation
is complete and do not perform any key operation
either, after this operation each factory setting and
all adjust mode data should reset to delivery settings
automatically.
(7) After Memory Initialize, it should be unplug AC cord.
Unplug and plug AC cord and then all settings and data
①
②
③
are updated.
BACK TO ADJUSTMENTS
Procedure 2
(1)
Short circuit on PINT connector on the Signal PWB;
so the Initialization process starts as follows.