Sharp 37VT-26H Service Manual page 42

37VT-26H(GY)
ADJUSTMENT OF PAL SYSTEM SP/
LP SLOW TRACKING PRESET
Measuring
instrument
Mode
Input Signal/Tape
Test point
Control
Specification
1. Play back the PAL system SP self-recorded tape in
the slow mode.
2. Press the CH" (TR
remote control at the same time to turn the set into
the adjustment mode for the SP slow tracking preset.
"TEST" is displayed on the TV screen.
3. Press the SLOW button of remote control to make
the adjustment of the PAL SP slow tracking preset.
The SP slow tracking preset is automatically adjusted
so that there is no noise bar on the screen, then the
adjustment mode is released. "TEST" disappears on
the screen.
4. Press the PLAY button to return to the SP playback
mode, then press the PAUSE/STILL button to enter
the still mode. Be sure that there is no noise bar on
the screen. (Repeat three times.)
5. Next play back the PAL system LP self-recorded tape
in the slow mode.
6. Press the CH" (TR
remote control at the same time to turn the set into
the adjustment mode for the LP slow tracking preset.
"TEST" is displayed on the TV screen.
7. Press the SLOW button of remote control to make
the adjustment of the PAL LP slow tracking preset.
The LP slow tracking preset is automatically adjusted
so that there is no noise bar on the screen, then the
adjustment mode is released. "TEST" disappears on
the screen.
8. Press the PLAY button to return to the LP playback
mode, then press the PAUSE/STILL button to enter
the still mode. Be sure that there is no noise bar on
the screen. (Repeat three times.)
9. Press the STOP button to stop the tape.
Monitor Screen
PAL system SP/LP slow motion
playback
PAL system SP/LP self-recording
tape
Monitor Screen
Remote Control
No noise bar on the monitor screen
) button and the "0" button of
) button and the "0" button of
ADJUSTMENT OF NTSC SYSTEM
SP/EP SLOW TRACKING PRESET
Measuring
instrument
Mode
Input Signal/Tape
Test point
Control
Specification
1. Play back the NTSC system SP self-recorded tape
in the slow mode.
2. Press the CH" (TR
remote control at the same time to turn the set into
the adjustment mode for the SP slow tracking preset.
"TEST" is displayed on the TV screen.
3. Press the SLOW button of remote control to make
the adjustment of the NTSC SP slow tracking preset.
The SP slow tracking preset is automatically adjusted
so that there is no noise bar on the screen, then the
adjustment mode is released. "TEST" disappears on
the screen.
4. Press the PLAY button to return to the SP playback
mode, then press the PAUSE/STILL button to enter
the still mode. Be sure that there is no noise bar on
the screen. (Repeat three times.)
5. Next play back the NTSC system EP self-recorded
tape in the slow mode.
6. Press the CH" (TR
remote control at the same time to turn the set into
the adjustment mode for the EP slow tracking preset.
"TEST" is displayed on the TV screen.
7. Press the SLOW button of remote control to make
the adjustment of the NTSC EP slow tracking preset.
The EP slow tracking preset is automatically adjusted
so that there is no noise bar on the screen, then the
adjustment mode is released. "TEST" disappears on
the screen.
8. Press the PLAY button to return to the EP playback
mode, then press the PAUSE/STILL button to enter
the still mode. Be sure that there is no noise bar on
the screen. (Repeat three times.)
9. Press the STOP button to stop the tape.
Notes:
1 The data of these adjustment for the slow tracking
preset are memorized in the EEP-ROM IC.
2 Pressing both the CH" (TR
button at the same time transmits the test code. When
the unit receives this test code in the slow mode, the
unit is turned into the adjustment mode for the PAL
system SP, LP, NTSC SP and EP slow tracking preset
and "TEST" is displayed at the center of the monitor
screen. This function is available to the remote control
: RRMCG1521PESA.
42
Monitor Screen
NTSC system SP/EP slow motion
playback
NTSC system SP/EP self-recording
tape
Monitor Screen
Remote Control
No noise bar on the monitor screen
) button and the "0" button of
) button and the "0" button of
) button and the "0"