Sony PLM-A55E Service Manual page 31

Personal lcd monitor
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[Color Adjustment]
Note: The view angle correction must be turned off.
Condition:
Input signal
Color bar signal
RG-46P board CN404 pin 4
Measurement point
Measuring equipment
Oscilloscope
Adjustment page
D
Adjustment address
31
Specification value
290 ± 15 mV
Connection:
Oscilloscope
(DC range)
RG-46P Board
CN404 pin 4 (G OUT)
+
CN404 pin 1 (GND)
Adjustment Procedure:
(1) Select EXT. VIDEO AUDIO mode, and picture and tone qual-
ity standard setting. (See page 22)
(2) View angle correction OFF: Connect CN404 pin 2 (EAC OFF)
and pin 1 (GND) on the RG-46P board.
(3) Connect an oscilloscope to the CN404 pin 4 on the RG-46P
board.
(4) Set (or confirm) data: 01 to page: 1, address: 00.
(Cancel D page protect)
(5) On page: D, address: 21, change data with the PLAY and STOP
buttons and press the PAUSE button to write data so that the
F level of waveform on the oscilloscope satisfies the specifi-
cation value.
F
H
Adjustment and Adjustment Parts: RG-46P board (see page 33)
[V.COM R]
• Make this adjustment through a visual check.
Note: The view angle correction must be turned off.
Before this adjustment, the Contrast Adjustment must be finished.
Condition:
Input signal
Monoscope signal
Measurement point
Right LCD screen
Measuring equipment
Visual check
Adjustment page
D
Adjustment address
28
Adjustment Procedure:
(1) Select EXT. VIDEO AUDIO mode, and picture and tone qual-
ity standard setting. (See page 22)
(2) View angle correction OFF: Connect CN404 pin 2 (EAC OFF)
and pin 1 (GND) on the RG-46P board.
(3) Set (or confirm) data:01 to page: 1, address: 00.
(Cancel D page protect)
(4) On page: D, address: 28, change data with the PLAY and STOP
buttons and press the PAUSE button to write data so that hori-
zontal streaks do not wobble on the display when looking into
the right finder window.
Adjustment and Adjustment Parts: RG-46P board (see page 33)
[V.COM L]
• Make this adjustment through a visual check.
Note: The view angle correction must be turned off.
Before this adjustment, the Contrast Adjustment must be finished.
Condition:
Input signal
Monoscope signal
Measurement point
Left LCD screen
Measuring equipment
Visual check
Adjustment page
D
Adjustment address
29
Adjustment Procedure:
(1) Select EXT. VIDEO AUDIO mode, and picture and tone qual-
ity standard setting. (See page 22)
(2) View angle correction ON: Connect CN404 pin 2 (EAC OFF)
and pin 1 (GND) on the RG-46P board.
(3) Set (or confirm) data: 01 to page: 1, address: 00.
(Cancel D page protect)
(4) On page: D, address: 29, change data with the PLAY and STOP
buttons and press the PAUSE button to write data so that hori-
zontal streaks do not wobble on the display when looking into
the left finder window.
Adjustment and Adjustment Parts: RG-46P board (see page 33)
Page 31

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