Service manual

24
24-1
24-2
20F630
CU20F630
ADJUSTMENT ITEM ADJUSTMENT POSITION CONTROL PRE-ADJUST REQUIREMENT CONTENT INPUT CONDITION OUTPUT
ADJUSTMENT PROCEDURE
HIGH VOLTAGE
– STEP RANGE –
–
AFTER ALL ADJUSTMENT FINISHED. US 4 CH LION HEAD (MONOSCOPE PATTERN) AC 130V, RF INPUT CRT ANODE VOLTAGE
SET THE USER CONTROL TO SHIPMENT SETTING POSITION. PUSH ON Y-MUTE BY R/C CONFIRM THE VOLTAGE OF CRT ANODE BY HIGH VOLTAGE METER AND MAKE SURE THE READING IS AS BELOW.
[CAUTION POINT] USE ELECTROSTATIC HI-VOLTAGE METER AND FOLLOW THE UL/ DHHS STANDARD TO MAKE CORRECTION AND CONTROL.
HIGH VOLTAGE
BELOW 30kV
ADJUSTMENT ITEM ADJUSTMENT POSITION CONTROL PRE-ADJUST REQUIREMENT CONTENT INPUT CONDITION OUTPUT
ADJUSTMENT PROCEDURE
1) RECEIVE THE UHF 15 CH. 2) PUSH THE DISPLAY KEY (R/C), MAKE SURE THAT THE OSD V-CHIP RATING DISPLAY IS EQUAVALENCE TO TRANSMISSION RATING.
V-CHIP
– STEP RANGE –
–
AFTER ALL ADJUSTMENT FINISHED. UHF 15 CH (V-CHIP TRANSMISION SIGNAL CH) AC 120V, RF INPUT CONFIRMATION BY THE CRT
[VOLTAGE CONFIRMATION]