Download Sharp 20U-FS1 Service manual

AC 120V, RF INPUT
CONFIRMATION BY THE CRT
INPUT
CONDITION
OUTPUT
ADJUSTMENT
PROCEDURE
US 4 CH LION HEAD (MONOSCOPE PATTERN)
CONTENT
24
24.5V
24-1
OPERATION VOLTAGE
TP VOLTAGE
18.9± 1.1V DC
[VOLTAGE CONFIRMATION]
[CAUTION]
FROM THE RECOVER CONFIRMATION MENTIONED ABOVE, THE AC
CODE MUST BE PULLED OUT AT LEAST 4 SECOND BEFORE PLUGGING IN AGAIN.(IN ORDER TO MAKE SURE THE µ-COM HAS BEEN
RESET.)
[RECOVER INFORMATION]
PULL OUT THE AC CORD.
[OPERATION CONFIRMATION]
SUPPLY THE DC VOLTAGE TO P603 PIN 3 AND MAKE SURE THE PROTECTOR IS FUNCTIONED.
HORIZONTAL OSCILATION STOP AND PICTURE DISAPPEAR.
[VOLTAGE CONFIRMATION]
CHECK THE VOLTAGE OF P603 PIN 3 AS SPECIFIED BELOW.
SET THE USER CONTROL TO SHIPMENT POSITION.
AFTER ALL ADJUSTMENT FINISHED.
–
PRE-ADJUST
REQUIREMENT
CONTROL
–
STEP RANGE
ADJUSTMENT
POSITION
–
X-RAY PROTECTION OPERATING CONFIRMATION
ADJUSTMENT
ITEM
ADJUSTMENT
PROCEDURE
OUTPUT
INPUT
CONDITION
CONTENT
PRE-ADJUST
REQUIREMENT
CONTROL
ADJUSTMENT
POSITION
ADJUSTMENT
ITEM
–
STEP RANGE
–
24-2
USE ELECTROSTATIC HI-VOLTAGE METER AND FOLLOW THE UL/
DHHS STANDARD TO MAKE CORRECTION AND CONTROL.
[CAUTION POINT]
BELOW 30kV
HIGH 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.
R-AMP TR BASE (TP854)
CONFIRRM WITH OSCILLOSCOPE
AC 130V, RF INPUT
US 4 CH LION HEAD (MONOSCOPE PATTERN)
AFTER ALL ADJUSTMENT FINISHED.
–
HIGH VOLTAGE
20U-FS1
CU20FS1