Sharp 27J-S100 User Manual

- 14 -
27J-S100/180/260
CJ27S10/26
Separation Adjustment
1. Connect the rms voltmeter to pin (39) of IC3001.
2. Receive the following composite stereo signal 1.
Composite stereo signal : 30% modulation, left
channel only, noise reduction on, 300Hz
3. Enter the service mode and select the service
adjustment "M04".
4. Adjust the data until the AC voltage reading of the
rms voltmeter is minimum.
5. Receive the following composite stereo signal 2.
Stereo signal : 30% modulation, left channel only,
noise reduction on, 3kHz
6. Enter the service mode and select the service
adjustment "M05".
7. Adjust the data until the AC voltage reading of the
rms voltmeter is minimum.
8. Take the above steps 1 thru 8 again for fine
adjustment.
MTS level adjustment
1. Feed the following monaural signal to pin (14) of
IC3001.
Monaural signal : 300Hz, 245mVrms
2. Connect the rms voltmeter to pin (39) of IC3001.
3. Enter the service mode ant select the service
adjustment "M01".
4. Adjust the data so that the rms voltmeter should take
the reading below.
Spec. : 490 ; 10mVrms
Stereo VCO adjustment
1. Keep the unit in no-signal state.
2. Connect the frequency counter to pin (39) of IC3001.
3. Connect a capacitor ( 100µF, 50v) in between
positive(+) side of C3005 and ground.
4. Enter the service mode and select the service
adjustment"M02"
5. Adjust the data so that the frequency counter should
take the reading below.
Spec. : 62.94 ; 0.75kHz
Filter adjustment
1. Feed the following stereo pilot signal to pin (14) of
IC3001 .
Stereo pilot signal:9.4kHz,600mVrms.
2. Enter the service mode and select the service
adjustment "M03".
3. Adjust the data at the point where "OK" appears on
the screen.The "OK" represents the approximate
center of the adjustable range of the data.
MTS ADJUSTMENT
P-IN-P Y LEVEL adjustment
1. Recieve a good local channel.
2. Enter the service mode and select service adjust-
ment "P01".
3. Adjust "P01" data value to obtain normal contrast
level.
P-IN-P TINT adjustment
1. Recieve a good local channel.
2. Enter the service mode and select service adjust-
ment "P02".
3. Adjust data value to "1B".
P-IN-P COLOR adjustment
1. Recieve a good local channel.
2. Make sure the customer color control is set to
center position.
3. Enter the service mode and select service adjust-
ment "P03".
4. Adjust "P03" data value to obtain normal color
level.
P-IN-P Y-OFF SET adjustment
1.Recieve a good local channel.
2. Enter the service mode and select service adjust-
ment "P04".
3. Adjust data value to "16".
P-IN-P H-POSITION adjustment
1. Recieve a good local channel.
2. Enter the service mode and select service adjust-
ment "P05".
3. Adjust data value to "0B".
P-IN-P BURST GATE PULSE(for MAIN)
1. Recieve a good local channel.
2. Enter the service mode and select service adjust-
ment "P06".
3. Adjust data value to "09".
P-IN-P ADJUSTMENT
(FOR 27J-S260/CJ27S26)

Sharp 27J-S100 Specifications

General

Brand	Sharp
Model	27J-S100
Category	TV
Language	English