Sharp 21S-FX10F User Manual

21S-FX10F/10S/10N/10U
3 – 18
7. PROTECTOR OPERATION CHECKING
8. A/V INPUT & OUTPUT CHECKING
NO ADJUSTMENT POINT WAVEFORM OR OTHERS
1
H, V PROTECTOR
ADJUSTMENT CONDITION / PROCEDURE
(1) Receive "Monoscope Pattern" signal.
(2) Connect output of Bias Box to D602 cathode
(C602 positive).
(3) Set voltage of Bias Box to 18V and make sure
the protector is not working.
(4) Set voltage of Bias Box to 28.5V. The tv will
four times in "ON" and "OFF"condition before
the protector ON and switch to standby mode.
2
OTHER PROTECTOR
(1) Once finish rectified Electrolytic Capacitor
short testing in + B line, check all possible
damaged components on +B line.
(Use random selected set for inspection)
NO ADJUSTMENT POINT WAVEFORM OR OTHERS
1
VIDEO AND AUDIO
OUTPUT CHECK
ADJUSTMENT CONDITION / PROCEDURE
(1) Receive the "PAL Color Bar" signal (100%
White Color Bar, Sound 400 Hz 100% Mod).
(2) Terminate the Video output with a 75 ohm
impedance.
Make sure the output is as specified
(1.0 Vp-p ± 3 dB).
(3) Terminate the Audio output with a 10K ohm
impedance.
Make sure the O/P is as specified
(1.76 Vp-p ± 3 dB).
2
VIDEO AND AUDIO
INPUT CHECK
(1) Using the TV/VIDEO key on the remote
controller, make sure that the modes change
in order of TV, AV1,AV2 & TV again and the
video & audio output are according to the
input terminal for each mode.
(2) Video cross-talk AV to TV checking :
a) When connect AV1 input, check TV also
b) When connect AV2 input, check TV also
Caution:
AV1 share with YUV. Therefore,
if YUV signal is connected to
Component In terminal, only
component is will detected.
3
COMPONENT IN
CHECK
(1) Connect YUV & Audio signal to Component
In terminal and Audio terminal.
(2) Using the TV/VIDEO key on the remote
controller, press it until the modes change to
COMPONENT, confirm output is appear.
(3) Audio source is share with AV1

Sharp 21S-FX10F Specifications

General

Brand	Sharp
Model	21S-FX10F
Category	TV
Language	English