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ELE-41
5-19. Composite Pb/Pr Signal
Timing Adjustment
BOARD
V IN (F2A)
TP
Y, Pr, Pb OUT
ADJ.
C05: SITE PB TMG (Service Menu)
TAPE
-----
INPUT
Analog Composite Signal
(Pulse and Bar with 12.5T modulation
Signal)
MODE
EE
M. EQ
Analog WFM (DIFF mode)
SPEC.
T = 0± 5nsec
(This adjustment performs without extender board.)
1. Confirm that the 12.5T modulation signal portion
of Component Y OUT is displayed correctly on
the WFM as shown in figure.
2. Confirm that the 12.5T modulation signal portion
of Component PB and PR OUT is displayed
correctly on the WFM as shown in figure.
3. Set WFM monitor to DIFF mode. In the DIFF
mode, waveform of Y and PB or PR signals are
integrated as shown in figure.
4. Expand the 12.5 pulse portion (an ellipse dotted
portion as indicated in figure) and set the cursor
to 0 cross point as shown in figure.
5. Open the SERVICE MENU (Refer to SEC1
Service Information.)
6. Select
the
C00: VIN ADJUST
and press the
“SET” button to open the V IN ADJUST MENU.
7. Select
C-2 CMPST ADJUST
and press the “SET”
button to open the CMPST ADJUST menu.
8. Adjust
the
C05 SITE PB TMG or C08 SITE PR
TMG
so that the signal timing between Y and PB
or PR signal is in the specification.
9. Close
the
Menu.
NOTE:
Please use WFM Monitor with DIFF mode.
Set DIFF mode
on WFM Monitor
COMPONENT
Y OUT
12.5T Pulse
COMPONENT
PB or PR OUT
DIFF mode
0 CROSS POINT
CURSOR
Expand the
12.5 Pulse
portion
T=0
±
5nsec
T
COMPONENT
Y OUT
COMPONENT
PB or PR OUT
COMPONENT
Y OUT
(12.5T Pulse portion)
COMPONENT
PB or PR OUT
(12.5T Pulse portion)
Содержание AJSD955B - DVCPRO50 STUDIO DECK
Страница 3: ...3...
Страница 4: ...4 AJ YA931G AJ YA932G AJ YAC930G...
Страница 6: ...6 AJ SD930P AJ SD955AP...
Страница 7: ...7 AJ YA931G AJ YA932G AJ YAC930G...
Страница 8: ...FCD0211NTIK83K84...
Страница 65: ...INF 56 14 ERROR MESSAGES...
Страница 66: ...INF 57...
Страница 67: ...INF 58...
Страница 72: ...INF 63 16 CIRCUIT BOARD LAYOUT DRAWING...
Страница 105: ...MECH 26 Figure 3 32 3 Figure 3 32 4 Adjust within specification Confirm this value...
Страница 109: ...MECH 30 Figure 3 34 3 Figure 3 34 4 Adjust within specification Confirm this value...
Страница 111: ...MECH 32 Figure 3 35 2 Confirm this value...
Страница 115: ...MECH 36 Figure 3 37 2 Confirm this value...
Страница 220: ...SCHEMATIC DIAGRAMS NOTE BE SURE TO MAKE YOUR ORDERS OF REPLACEMENT PARTS ACCORDING TO PARTS LIST SECTION 8...
Страница 433: ...CBA 13 F6 SYSCON P C BOARD SD930 VEP86326B SD955A VEP86326C FOIL SIDE FOIL SIDE REF LOC P1 G5 P2 D5...