Sharp 20F650 Service Manual

25
25-1
25-2
20F650
HIGH VOLTAGE
– STEP RANGE –
–
AFTER ALL ADJUSTMENT FINISHED.
US 4 CH LION HEAD (MONOSCOPE PATTERN)
AC 120V, 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.
SYMBOL REVISED CONTENT,
ADJUSTMENT
ITEM
ADJUSTMENT
POSITION
CONTROL PRE-ADJUST
REQUIREMENT
CONTENT
INPUT
CONDITION
OUTPUT
ADJUSTMENT
PROCEDURE
HISTORY
OF REVISION
HIGH VOLTAGE
BELOW 30kV
ADJUSTMENT
ITEM
ADJUSTMENT
POSITION
CONTROL PRE-ADJUST
REQUIREMENT
CONTENT
INPUT
CONDITION
OUTPUT
ADJUSTMENT
PROCEDURE
HISTORY
OF REVISION
1) SET THE SOUND VOLUME CONTROL MORE THAN 1.
2) ADJUST BUS DATA OF M01 UNTIL THE VOLTAGE OF 39 PIN BE-
COME AS SPECIFIED BELOW.
MS LEVEL ADJUSTMENT
M01 STEP RANGE 0~15
I
2
C BUS CONTROL
OPTION SET UP, BUS SET UP, VCO ADJ, RF-AGC
MONORAL SIGNAL (400HZ 100% MODULATION)
AC 120V, RF INPUT
IC 3001 39 PIN
[CHECKING SPEC]
490 ± 10mVrms (CHECKING SPEC :490 ± 20mVrms)
SYMBOL REVISED CONTENT,

Sharp 20F650 Specifications

General

Brand	Sharp
Model	20F650
Category	TV
Language	English