Panasonic AJ-D610WBP - Pre Process; R,G,B PEDESTAL Adjustment; IRE ABB Confirmation

ELE-25
5. PRE PROCESS
5-1. R,G,B PEDESTAL Adjustment
BOARD
PRE PROCESS, SYNC
TP
TP103[R],TP303[G],TP503[B]
(PRE PROCESS)
TP3206[HD] (SYNC)
ADJUST
VR103[R PED] (PRE PROCESS)
VR303[G PED] (PRE PROCESS)
VR503[B PED] (PRE PROCESS)
EVR
F.NUMBER
-
MODE
CAM ON
M. EQ.
Oscilloscope
SPEC.
A = 0 +/- 50mV
1. Set the
EVR
.
COM:[1E] DATA:[20] ADR:[00] [Enter]
2. Connect a scope to
TP3206
(SYNC) for trigger.
3. Connect a scope to
TP103
and adjust
VR103
so
that the center of the noise of signal period and
BLK period are the same.
4. Connect a scope to
TP303
and adjust
VR303
so
that the center of the noise of signal period and
BLK period are the same.
5. Connect a scope to
TP503
and adjust
VR503
so
that the center of the noise of signal period and
BLK period are the same.
5-2. 0 IRE ABB Confirmation
BOARD
CAM SYSCON
TP
CAM OUT ( 75 ohm termination)
ADJUST
EVR
F.NUMBER
-
MODE
-
M. EQ.
Vector Scope
SPEC.
Center of Vector = Center of Vector Scope
1. Set the
EVR
.
COM:[1E] DATA:[20] ADR:[00][Enter]
(GAIN L:0dB, KNEE:OFF, PED PRESET:2.0V)
COM:[1E] DATA:[21] ADR:[00][Enter]
(GAIN L M H:0dB, KNEE:OFF, 0IRE ABB SET)
2. Operate the
ABB
.
3. Connect a
Vector Scope
then set the gain to Max
,
Confirm the black dot is on the origin of the
Vector
Scope
.
4. Continue next adjustment with this setting.
*Observe the vector signal with vector scope gain
MAX
A
BLK
BLK
BLK
Center of the noise