Beko D5 Service Manual page 28

Dvd-combo tv
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11. ADJUSTMENTS
11.1. ELECTRICAL ADJUSTMENTS
11.1.1. Supply Voltage Adjustment
Connect a digital voltmeter to the cathode of diode D627 at the AV1 mode of the TV and
set the screen voltage to the minimum with the screen potentiometer. Adjust the main
supply voltage (B+) with P601 potentiometer to the values shown in table below.(after
adjustment, readjust Screen voltage).
11.2. SERVICE ADJUSTMENTS
To enter service mode, press "Menu" and then press "9301" on user remote control.
Press "0" button to exit the Service Mode.
Whilst exiting from the Service Mode, the version and the date of the software are seen on
the screen for few seconds, as belows.
Navigation
P+ / P-
V+ / V-
11.2.1. AGC Adjustment
• Switch on the Service Menu
• Find the "AGC" with P+/P-
• Set its value to 33 for 14" and 21" Tv's
• Find the "TEST" with P+/P-
• Set its value to 35 for 14" and 21" Tv's
• Exit from the service menu.
11.2.2. Geometry and Function Adjustments
• Apply a Cross Hatch Test pattern.
• Enter Service Menu with Service RC and select "VSLP" option with P+ / P- buttons (In
this option, the upper half part of the pattern is shown and lower half part is blanked).
• Adjust "VSLP" such that middle line of the pattern is cut.
• For 16/9 sets, adjust "VZOM" to 35. For 4/3 sets, when "VZOM" is selected, set switches
to 16/9 mode. In this case, adjust the circle of the pattern just touches to the upper
Size
CRT Type
14
056314-EK3
14
056314-EK5
14
056314-PH3
14
056314-PH7
14
056314-PH8
21
056321-GS9
21
056321-VC0
21
056321-VC7
VER SD5965_A01
OF96
T01040818
: Moves upward / downward inside the menu
: Changes the values or options
Voltage
111V
111V
111V
111V
111V
130V
132V
132V
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