Service Mode (Self-Diagnosis Function); Startp Procedure; Test Pattern Printing - Sony UP-D897 Service Manual

Section 5
Service Mode (Self-diagnosis Function)
5-1 _ Startup Procedure
1 "Tum o on nthe power 'while pressing the [FEED] button find. OPEN button.
2. ~ Check that the backlight starts ee after approtitnalely 3 seconds, and then release each button.
; 'The service mode starts.
5-2. ou Mode Menu
When the unit is activated in service mode, the "SVC" menu is added one line above the "BEEP" menu.
Press the jog dial in this "SVC" menu and rotate it up and down to display the item to be diagnosed, and
then press it again. For the details of each item, refer to the following sections.
When the unit is activated in service mode, the time out function does not work. Therefore the unit does
not exit the menu mode for approximately 20 seconds without any button operation.
READY > SVC: + aN Test pattern print (Refer to Section 5-3.) o
SV.QTY _ Test pattern print count (Refer to Section 5-4.)
LCD LCD lighting test (Refer to. Section.5-5.)
LIGHT LED lighting test (Refer to Section 5-6.)
CO:CAL | CONTR volume calibration (Refer to Section 5-7.)
.BR:CAL. BRIGHT volume calibration (Refer to siti 5-7.)
LPF Disabled even being switched :
LOG Log print (Refer to Section 5-8.)
RESET Initialization of setting (Refer to Section 5-9.)
QTY.C Disabled even being switched
RMCAP Disabled even being switched
TEMP Temperature indication (Refer to Section 5-10.)
TMODE Disabled even being switched
BACK Returns to SVC...
BEEP
The usual menu continues.
5-3. Test Pattern Printing
Select the test pattern and press the jog dial to start the printing.
The preset number of test patterns are printed by setting the print count previously in "SV.QTY".
To interrupt the printing, press the button or [OPEN] button.
When adjusting the head voltage, perform in the following conditions.
* Set "GAMMA" to "GA-2".
PATAN: PA:FF All white
: Gray
PA:00 ~— All black
PA:W/B White in the left half, black in the right half
"PA:B/W Black in the left half, white in the oe half
"PA:FFh All white (large size)
: Gray (large size)
PA:00h All black (large size)
~PA:STP Stairstep
PA:CRS Cross step
BACK _ Returns to PATAN
UP-D897 5-1