Sony LDI-D100B Service Manual page 44

QQ
3 7 63 1515 0
Note: RGB Gain/Bias adjustment relate to temperature, therefore adjust-
ment within 5 minutes after supplied power.
[R Gain Adjustment]
Condition:
Input signal
Measurement point
Measuring equipment
Adjustment page
Adjustment address
Specification value
Connection:
MA-324 (H) Board
CN206 pin 1 (SIG R 1)
CN206 pin 9 (GND)
Adjustment Procedure:
(1) Connect an oscilloscope to the CN206 pin 1 on the MA-
324 (H) board.
(2) Set (or confirm) data: 01 to page: 0, address: 01.
(Cancel F page protect)
(3) On page: F, address: 68, change data with the PLAY and
STOP buttons and press the PAUSE button to write data so
that F level of waveform on the oscilloscope satisfies the
specification value.
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Black
Level
F
White
Level
Adjustment and Connection Location: MA-324 (H) board
[R Bias Adjustment]
Condition:
Input signal
Measurement point
Measuring equipment
Adjustment page
Adjustment address
Specification value
Connection:
MA-324 (H) Board
www
CN206 pin 1 (SIG R 1)
CN206 pin 9 (GND)
.
http://www.xiaoyu163.com
SVGA 60 Hz: RGB 0.7 Vp-p, 16 Step
MA-324 (H) board CN206 pin 1
Oscilloscope
F
68
2.7 ± 0.1 Vp-p
Oscilloscope
(DC range)
+
–
(see page 3-30)
SVGA 60 Hz: RGB 0.7 Vp-p, 16 Step
MA-324 (H) board CN206 pin 1
Oscilloscope
F
6B
8.4 ± 0.1 Vp-p
Oscilloscope
(DC range)
+
x ao u163
y
–
i
http://www.xiaoyu163.com
2 9
8
Adjustment Procedure:
(1) Connect an oscilloscope to the CN206 pin 1 on the MA-
324 (H) board.
(2) Set (or confirm) data: 01 to page: 0, address: 01.
(Cancel F page protect)
(3) On page: F, address: 6B, change data with the PLAY and
STOP buttons and press the PAUSE button to write data so
that the G level of waveform on the oscilloscope satisfies
the specification value.
Black
Level
G
Black
Level
Adjustment and Connection Location: MA-324 (H) board
[G Gain Adjustment]
Condition:
Input signal
Measurement point
Measuring equipment
Q Q
Adjustment page
3 6 7 1 3 1 5
Adjustment address
Specification value
Connection:
MA-324 (H) Board
CN206 pin 3 (SIG G 1)
CN206 pin 9 (GND)
Adjustment Procedure:
(1) Connect an oscilloscope to the CN206 pin 3 on the MA-
324 (H) board.
(2) Set (or confirm) data: 01 to page: 0, address: 01.
(Cancel F page protect)
(3) On page: F, address: 69, change data with the PLAY and
STOP buttons and press the PAUSE button to write data so
that H level of waveform on the oscilloscope satisfies the
specification value.
Black
Level
H
White
Level
co
.
Adjustment and Connection Location: MA-324 (H) board
3-25
9 4 2 8
(see page 3-30)
SVGA 60 Hz: RGB 0.7 Vp-p, 16 Step
MA-324 (H) board CN206 pin 3
Oscilloscope
F
0 5 8 2 9 9 4 2 8
69
2.7 ± 0.1 Vp-p
Oscilloscope
(DC range)
+
–
m
(see page 3-30)
9 9
9 9