Service Adjustments
-14-
Minimum leakage
Pin-1 of K36P3(R)
300Hz
MTS Adjustment
Input Level Adjustment
[ Setting ]
1. Connect a Digital Volt Meter to Pin-1 of K36P3 on the
MTS unit and the ground.
2. Receive the channel with audio 1KHz 100% modulation
signal.
3. Set the television to following conditions:
Audio Mode: Stereo
Surround and BBE: OFF
[ Adjustment ]
1. Enter the Service Mode, and select item “CXA2104”
with
▲
or
▼
key, then press the or - key
to enter the Sub menu.
2. Select item Write 0 of CXA2104 with
▲
or
▼
key.
3. Adjust voltage to become DC 400mVrms±30% by
pressing the or - key.
CXA2104
0
Write
2
20
Data Value
Item No.
3. Adjust the level of 300Hz at Pin-1 of K36P3 to become
minimum level by pressing the or - key.
Pin-3 of K36P3 (L)
Minimum leakage
4KHz
4. Select item Write 1 (High Separation Adjustment) of
CXA2104 with
▲
or
▼
key.
5. Adjust the level of 4KHz at Pin-3 of K36P3 to become
minimum level by pressing the or - key.
6. Repeat steps 2 to 5 for best separation.
CXA2104
0
Write
1
20
Data Value
Item No.
CXA2104
0
Write
0
7
Data Value
Item No.
Stereo Separation Adjustment
[ Setting ]
1. Connect an oscilloscope:
Probe-A to Pin-1 of K36P3 and the ground.
Probe-B to Pin-3 of K36P3 and the ground.
2. Receive a MTS channel.
3. Set the television to following conditions:
Audio Mode: Stereo
Surround and BBE: OFF
[ Adjustment ]
1. Enter the Service Mode, and select item “CXA2104”
with
▲
or
▼
key, then press the or - key
to enter the Sub menu.
2. Select item Write 2 (Low Separation Adjustment) of
CXA2104 with
▲
or
▼
key.
