VIII. HORIZONTAL SHIFT ADJUSTMENT
1. Receive Monoscope Pattern input signal 70dB +10dB.
2. Press REMOTE H-shift button.
3. Press REMOTE value (+) (-) button adjust value to obtain the picture at 2mm.
( Specification show in Fig.8 )
SM - 38PM P. 4
VI
. SOUND TRACKING ALIGNMENT
1. Receive a gray scale pattern.
2. Connect a oscilloscope and monitor IC202 PIN 13 and Ground.
3. Adjust T200 to obtain the waveform Fig.6.Connect a volt meter to IC202 PIN15
and GND,adjust T200 to obtain 2.7+0.1V.
Remark: All frequency of Marker points are +0.2% tolerance.
VII. EAST - WEST CORRECTION ADJUSTMENT
1) Receive a crosshatch and center cross pattem.
2) Set the Brightness,contrast to middle position.
3) Press REMOTE EW-Par/wid,EW-trap button,Press REMOTE VALUE (+) (-) button adjust Value
to normal regular picture.
4) Press REMOTE WE-width button,Press REMOTE value (+) (-) button adjust value to proper horizontal
width ( 90% + 2% )
X. VERTICAL AMPL ADJUSTMENT
1. Receive the Monoscope Pattern.
2. Press REMOTE V-ampl button.
3. Press REMOTE value (+) (-) button adjust value to obtain a normal picture.
XI. WHITE BALANCE ALIGNMENT STEP
( Degauss the picture by degaussing coil if necessary )
1. Receive a black and white pattern.
2. Press REMOTE picture button.
3. Press REMOTE UP/DOWN and value (-) button set the brightness,contrast,
colour to minimun.
4. Adjust screen volume on FBT unitl the picture can just been seen.
5. Press REMOTE sub bri button.
6. Press REMOTE value (+) (-) button adjust value to (31).
7. Press REMOTE with bal button.
8. Press REMOTE Value (+) (-) button adjust value to (1) see the picture at horizontal line.
9. Adjust screen volume on FBT until the horizontal line can just been seen.
10. Repeat item 7.8 Can obtain normal screen.
IX. VERTICAL LINEARTY ADJUSTMENT
1) Receive a cross hatch and center cross pattem.
2) Set the Brightness,contrast to middle position.
3) Press REMOTE V-SIope,S-Correction button,Press REMOTE Velue (+) (-) button adjust value to normal
regular picture.
4) Press REMOTE V-Shift button,Press REMOTE Value (+) (-) button adjust value to obtain the picture at center.
Fig.6
Summary of Contents for CT-M807-SV
Page 1: ...SERVICE MANUAL CTM807SV 68CM CTV MAR03 CTM807SERV ...
Page 30: ......
