Set-Up Adjustments - Sony TRINITRON PVM-14N5A Service Manual

SECTION 3
SET-UP ADJUSTMENTS
3-1. PREPARATIONS (1) Service Mode Screens
Tools required
* Oscilloscope Press the and keys simultaneously.
* Digital multimeter
* Degausser
* Video signal generator
* Variable AC power supply (or NF power supply)
* DC power supply
* Ammeter
Note: Perform the following adjustments 5 minutes
after turning on the power.
This unit is provided with a service switch on the front
panel for various servicing adjustments. The following
describes how to use the switch.
1. Setting the Service Mode
With no menus displayed, press the and
keys simultaneously. When Ver: is displayed
on the screen, press the key twice.
2. Displaying the Service Mode
Range of Service Mode Displays
(1) Serial number from "0 to 102" given to each service item.
(2) Name of service item.
(3) Adjustment data of the service item memorized in the
RAM currently. Changing this value enables
adjustments. Take note that if the adjustment values are
not saved in the EPROM, they will be lost when the
power is turned off or when the input is switched.
(4) Guidance on saving.
Note:
SIIA Chassis
With no menus displayed state
1
Ver 3.00
Press the LENT ER] key once.
Screen for service engineer
LINE A
CXA PB PE
4590 101110 000110
NO SYNC
Press the key once.
Service mode
001 DESTINATION
00000
Press the key once.
Raster centering adjustment
RASTER CENTER ADJ MOD
Press the [EN TE Rj key once.
No DSD screen
Press the [EN TER] key once.
Use the double solid lined screens ( [—_]) when
servicing.
3-1