32N-S400, 36N-S400
CN32S40, CN36S40
� SERVICE ADJUSTMENT
VCO AdjustmentWhite Balance Adjustment
1. Connect a digital voltmeter between pin (44) of IC2011. Receive a good local channel.
and ground.2. Enter the service mode and select the service
2. Receive a good local channel.adjustment "S03" and set to "00" (minimum
3. Enter the service mode and select the servicecolor)(Record original data code under adjustment
adjustment "S10"."S03" before changing). "S03" does not have to be
4. Adjust the data so that digital voltmeter reads 2.2Vadjusted, if you selected a B/W picture or monoscope.
5. Adjustment is completed, remove the voltmeterpattern.,
return to "normal" mode.3. Alternately adjust the service adjustment data of "S14"
and "S15" until a good grey scale with normal whites
RF AGC Adjustmentis obtained.
4. Select the service adjustment "S03" and adjust data
1. Receive a good local channel.
to obtain normal color level.
2. Enter the service mode and select the service
adjustment "S08".
3. Set the data value to point where no noise or beatSub-Picture Adjustment
appears.1. Receive a good local channel.
4. Select another channel to confirm that no noise or2. Make sure the customer picture control is set to
beat appears.maximum.
Note 1 :You will have to come out of the service3. Enter the service mode and select the service
mode to select another channel.adjustment "S01".
Note 2 :Setting the data to "00" will produce a black4. Adjust the data value to achieve normal contrast
raster.range.
Screen AdjustmentSub-Tint Adjustment
1. Receive a good local channel.1. Receive a good local channel.
2. Enter the service mode and select the service2. Set customer tint control to center of it's range.
adjustment "S03" and set the data value to "00" to3. Enter the service mode and select the service
set the color level to minimum. (Record original dataadjustment "S02".
code under adjustment "S03" before changing) 4. YAdjust "S02" data value to obtain normal flesh tones.ou
may skip this step, if you selected a B/W picture or
monoscope pattern.Sub-Color Adjustment
3. Select the service adjustment "S19" and adjust the
data value to "01", this turn off the luminance signal1. Receive a good local channel.
2. Make sure the customer color control is set to center
(Y-mute).
4. Select the service adjustment "S04" and adjust dataposition .
value to "4B".3. Enter the service mode and select service adjustment
"S03".
5. Adjust the master screen control until the raster
darkens to the point where raster is barely seen.4. Adjust "S03" data value to obtain normal color level.
6. Adjust the service adjustments "S11" red, "S12" green
and "S13" blue to obtain a good grey scale with
normal whites at low brightness level.
7. Select the service adjustment "S19" and reset data
to "00". Select the service adjustment "S03" and reset
data to obtain normal color level.
8. Reset the master screen control to obtain normal
brightness range.
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ACEC
