Panasonic AJ-D908MC, Service Manual

Page: 136 / 421

ELE-23
13. Adjust the slider so that the high and low period of the
signal of TP6 appear in the high or low period of the
signal of TP2 as sown figure.
14. Click “>>” .
15. Connect a scope to TP1 and TP2 (Trigger) and adjust
“VAL” of volt/div. of oscilloscope so that the level of
envelope becomes 5 unit (div.) of scale of the
oscilloscope.
16. Click “OK” .
17. Adjust the slider so that the level of envelope becomes
2 unit (div.) of scale of the oscilloscope.
18. Click “>>” .
19. Adjust the slider so that the level of envelope becomes
2 unit (div.) of scale of the oscilloscope.
20. Click “>>” .
21. Connect a scope to TP6 and TP2 (Trigger).
22. Adjust the slider so that the high and low period of the
signal of TP6 appear in the high or low period of the
signal of TP2 as sown figure.
23. Click “>>” .
24. Adjust the slider so that the high and low period of the
signal of TP6 appear in the high or low period of the
signal of TP2 as sown figure.
25. Click “>>” .
4-7. Head Clogging
Detection Level Adj. R-ch
BOARD HBUFF Board
TP TP1, TP2, TP6
ADJ. EVR
MODE REC
TAPE DVCPRO BLANK
M. EQ. Oscilloscope
SPEC. See Figure
1. Set
the “OUTPUT” switch to “BARS” .
2. Click the “8. Head Clogging Detection Level
Adjustment R” of the VTR adjustment software.
3. Record the color bar signal.
4. Connect a scope to
TP1 and TP2 (Trigger) and adjust
“VAL” of volt/div. of oscilloscope so that the level of
envelope becomes 5 unit (div.) of scale of the
oscilloscope.
5. Click “OK” .
6. Adjust the slider so that the level of envelope becomes
2 unit (div.) of scale of the oscilloscope.
7. Click “>>” .
8. Adjust the slider so that the level of envelope becomes
2 unit (div.) of scale of the oscilloscope.
9. Click “>>” .
10. Connect a scope to TP6 and TP2 (Trigger).
11. Adjust the slider so that the high and low period of the
signal of TP6 appear in the high or low period of the
signal of TP2 as sown figure in 4-6.
12. Click “>>” .
13. Adjust the slider so that the high and low period of the
signal of TP6 appear in the high or low period of the
signal of TP2 as sown figure in 4-6.
14. Click “>>” .
15. Connect a scope to TP1 and TP2 (Trigger) and adjust
“VAL” of volt/div. of oscilloscope so that the level of
envelope becomes 5 unit (div.) of scale of the
oscilloscope.
16. Click “OK” .
17. Adjust the slider so that the level of envelope becomes
2 unit (div.) of scale of the oscilloscope.
18. Click “>>” .
19. Adjust the slider so that the level of envelope becomes
2 unit (div.) of scale of the oscilloscope.
20. Click “>>” .
21. Connect a scope to TP6 and TP2 (Trigger).
22. Adjust the slider so that the high and low period of the
signal of TP6 appear in the high or low period of the
signal of TP2 as sown figure in 4-6.
23. Click “>>” .
24. Adjust the slider so that the high and low period of the
signal of TP6 appear in the high or low period of the
signal of TP2 as sown figure in 4-6.
25. Click “>>” .
4-8. Head Clogging
Detection Level Confirmation
BOARD HBUFF Board
TP -
ADJ. EVR
MODE REC
TAPE DVCPRO BLANK
M. EQ. -
SPEC. WARNING CONDITION
1. Set
the “OUTPUT” switch to “BARS” .
2. Record the color bar signal.
3. Click the
“9. Head Clogging Detection Level
Confirmation” of the VTR adjustment software.
4. Confirm that the WARNING condition. (“RF” is
displayed on LCD, Tally lamp is blinking, Alarm sound)
5. Click “OK” .
6. Confirm that the WARNING condition. (“RF” is
displayed on LCD, Tally lamp is blinking, Alarm sound)
7. Click “OK” .
8. Confirm that the WARNING condition. (“RF” is
displayed on LCD, Tally lamp is blinking, Alarm sound)
9. Click “OK” .
10. Confirm that the WARNING condition. (“RF” is
displayed on LCD, Tally lamp is blinking, Alarm sound)
11. Click “OK” .
12. Confirm that the WARNING condition. (“RF” is
displayed on LCD, Tally lamp is blinking, Alarm sound)
13. Click “OK” .
14. Confirm that the WARNING condition. (“RF” is
displayed on LCD, Tally lamp is blinking, Alarm sound)
15. Click “OK” .
16. Confirm that the WARNING condition. (“RF” is
displayed on LCD, Tally lamp is blinking, Alarm sound)
17. Click “OK” .
18. Confirm that the WARNING condition. (“RF” is
displayed on LCD, Tally lamp is blinking, Alarm sound)
19. Click “OK” .
TP6
TP2