1. Select stereo mode in audio menu
2. Apply the following signal from the RF signal generator:
- Video: 100 IRE flat field, 30% modulation.
- Audio: 300Hz, 30% modulation, stereo (left only) (70±5dB, 75
OPEN, P/S 10dB).
NOTE
After setting 30% modulation with P.L. SW and N.R. SW OFF, turn P.L. SW and N.R. SW
ON.
3. In service mode, adjust the MTS Low-Level separation adjustment
“SEPAL” data until the amplitude displayed on the scope
is minimum.
4. Apply the following signal from the RF signal generator:
- Video: 100 IRE flat field, 30% modulation
- Audio: 3KHz, 30% modulation, stereo (left only) (70 ±5dB, 75
OPEN, P/S 10dB).
NOTE
After setting 30% modulation with P.L. SW and N.R. SW OFF, turn P.L. SW and N.R. SW
ON.
5. Adjust the MTS High-level separation adjustment “SEPAH” until
the amplitude displayed on the scope is minimum.
6. Repeat above steps 2 through 5 until the amplitude is at minimum
for both signals.
14.7. Clock adjustment (CLOCK)
PREPARATION
Connect the frequency counter from TP017 / (IC001 pin 79) to cold ground
PROCEDURE
1. Turn the receiver “OFF” with the A.C. power applied.
45
Содержание CT32SC13G - 32" COLOR TV-ANALOG
Страница 16: ...8 Location of controls EUR7613Z60 remote 16 ...
Страница 34: ...13 3 Instructional flow chart for service mode continued 34 ...
Страница 48: ...15 1 2 G Board components G Board components 48 ...
Страница 49: ...15 1 3 L Board components L Board components 49 ...
Страница 50: ...16 Reference for PDF colors 50 ...
Страница 52: ...18 1 Video signal block diagram 18 2 Audio signal block diagram 19 Schematics 19 1 English schematic notes 52 ...
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Страница 54: ...19 2 Notas de esquemáticos en español 54 ...
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Страница 57: ...21 2 Parts List 57 ...
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