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HORIZONT

2 . While in standby mode, the remote user
series click:
"Status " (), "SL", " off . Sound " (), " sleep mode " ( )
To save the results in "Setting the TV" click " "
Return to the previous menu, use the "TV


***

CHASSIS SETUP PROCEDURE SHTST -678

1. service mode
To enter and exit the operating menu of TV you need
special control
remote control (you can buy it from
the manufacturer). All buttons Service
the remote control is the same as on the user's remote control
added only the button IN / OUT.
Sign in IMAGE menu by pressing the SL remote control. press
digital
button
7, 5, 9, 2 remote control. You will see the service menu. to
Release of the service
mode, press the 0 button on the remote control .
1.1 Adjusting the voltage of the power supply
Connect a digital voltmeter to the cathode of the diode D610 mode AV1
and set
the minimum accelerating voltage (SCREEN). Adjust the main
supply voltage + B
potentiometer R601 to the following values ??:
14 inches A33LPE02X01 106B PT
20 inches A48ECR14X51 118 PT
21 inches A51EFS133X41 118 PT
Adjust potentiometer accelerating voltage so that
Preview on
the screen was visible.
1.2 Adjustment of the IF
Before adjusting the drive enter the service mode , change
title VIDEO on
NEW. Exit the service mode .
WARNING! ABOVE ACTIONS ALWAYS CARRIED
AFTER REPLACING 1S101 CHIPS OR MEMORY CHIPS EEPROM.
IF ADJUSTMENT SHOULD EVER AFTER REPLACING OSUSCHESTVLYAYUTSYA
TITLE VIDEO ON NEW.
Standards for BG, DK, I adjust the oscillator frequency images
( tranzitesta ) on
38.9 MHz and set it on the color bars . Connect the RF
generator output
images to the conclusion 1F101. Enter the service mode .
Make the setting item
AFT38 service menus so that on output 23 1S101
was the importance of
voltage of 1.45 V 100 mV dc . Get out of service
mode .
1.3 Adjustment of AGC
Apply a signal to channel 32 with a level of 60 1dBmV to the antenna
(no sound carrier and
with the included Video Ext). Connect the oscilloscope to pin 11
(1F2) and the tuner to the ground.
Enter the service mode and locate the heading " AGC ". Adjust


 
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