KVP2021P05 Datasheet PDF - ETC
Part Number | KVP2021P05 | |
Description | COLOR TV SERVICE MANUAL | |
Manufacturers | ETC | |
Logo | ||
There is a preview and KVP2021P05 download ( pdf file ) link at the bottom of this page. Total 30 Pages |
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KVP2021P05
south america
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3.3 Enter/exit factory adjustment method
Use remote control, press “MENU” button, then press 6483, “M” will appear on screen to show that you
have entered the factory adjustment method, press “STANDBY” to exit it. Use factory remote control,
press the “PRESET” and “TEST” button, then the screen display “M” which means you have entered into
the factory adjustment mode, press the “TEST” or “STANDBY” to exit.
3.4 select adjustment item and adjust data
After entering factory adjustment mode, press 1-4 number buttons to select menu 1- menu 4; to enter
into MENU0, MENU5-MENU9, you may return to MENU1-MENU4 or just after you enter into “M”
interface, quickly press “CHILD LOCK” button and then the number button (0,5-9) to enter into relative
menus. Press “CH+” and “CH-” to select and “V+” and “V-”to adjust.
3.5 User purview
a). Factory adjustment mode menu1-menu4: only debugging worker, service checker, craftwork
technician, designer may operate.
b). Factory adjustment mode menu0, menu5-menu9: only craftwork technician, designer may operate.
4 Alignment methods
4.1 B+ voltage adjustment
a) Connect B+ point with a digital voltmeter to measure the negative pole of VD524
b) Receive PHILIPS test pattern signal and set the picture to standard.
c) Adjust VR501 to let the value of B+ voltage be 110 V ±0.5 V (yongxin super pure flat)
4.2 AGC adjustment
a) receive VHF-H band,60 dB RF signal.
b) Select factory menu2 of “AGC”.
c) Adjust AGC-TOP to let the picture just without noisy, then the voltage of tuner AGC is the
required value for adjustment.
d) exit factory menu
4.3 Normal temperature aging
a) do not receive signals.
b) under ”Test” condition, set the accelerator to an appropriate point for aging.
4.4 Accelerator adjustment
a) do not receive signals;
b) select “SC” of factory menu3 to let the field scanning stop working.
c) adjust acceleration potentiometer to let bright lines just appears on screen.
d) exit SC menu.
4.5 High voltage check
Note: the main power voltage (B+=110 V)can affect the high voltage directly, so be sure to let the B+
power voltage accurate. Under any state, the high voltage should not exceed 28 kV.
a) connect an accurate high voltage meter between the second anode cap of picture tube and
ground.
b) turn on TV and receive testing card signal.
c) set picture to standard, the high voltage should be 25 kV± 0.5 kV.
d) the high voltage should not exceed 27KV with minimum brightness and contrast.
4.6 Focus adjustment
a) receive A12-PHILIPS (NTSC)signal
3
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Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for KVP2021P05 electronic component. |
Information | Total 30 Pages | |
Link URL | [ Copy URL to Clipboard ] | |
Download | [ KVP2021P05.PDF Datasheet ] |
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