Lcd System Adjustments; Lcd Automatic Adjustment (Pd-238 Board) - Sony DCR-HC39E Service Manual

1-5.

LCD SYSTEM ADJUSTMENTS

Before perform the LCD system adjustments, check that the data
of page: 0, address: 10 is "00".
If not, select page: 0, address: 10, and set the data "00".
Note 1: Taken an extreme care not to destroy the liquid crystal
display module by static electricity when replacing it.
Note 2: Set the "LCD BRIGHT", "LCD COLOR" to the center
with the menu settings of the touch panel.
Note 3: Open the LCD panel during the LCD system adjustment.

1. LCD Automatic Adjustment (PD-238 board)

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This adjustment does the following items automatically.
VCO Adjustment
Contrast Adjustment
Mode
Signal
Adjustment Page
Adjustment Address
Note 1: Check that the data of page: 0, address: 10 is "00".
Note 2: Perform "IC4701 Automatic Adjustment" before this ad-
justment.
Note 3: NTSC model: DCR-HC41/HC42/HC43
PAL model: DCR-HC39E/HC42E/HC43E
Switch setting
WIDE SELECT ...................................................................... 16: 9
DCR-HC39E/HC41/HC42/HC42E/HC43/HC43E
VTR stop (PLAY/EDIT mode)
No signal
C
50, 51 (VCO Adjustment)
58 (Contrast Adjustment)
Adjusting method:
Order Page Address Data
1 0 01
2 C 70
3 3 01
4 3 02
5 3 03
6 C 50
7
8
9
10 C 51
11 C 70
12 0 01
Note 4: The adjustment data will be automatically input to page:
C, address: 50 and 58.
Note 5: If the data change to "01", adjustment has error. Con-
tents of error is written into page: 3, address: C6. See the
following table.
Note 6: Refer to table 6-4-1. "Hexadecimal-decimal conversion
table".
Data of page: 3, address: C6 Contents of error
58
60
6-39
Procedure
01
00 Press PAUSE button.
5A Press PAUSE button. (Note 4)
Check the data changes to "00".
Check the data is "00". (Note 5)
Read the data and this data is
named D .
50
Convert D to decimal
50
notation, and obtain D
50
(Note 6)
Calculate D ' using
51
following equations.
(decimal calculation)
D ' = D ' + 10 (NTSC model)
51 50
D ' = D ' – 10 (PAL model)
51 50
Convert D ' to a hexadeci-
51
mal number, and obtain D
(Note 6)
D Press PAUSE button.
51
41 Press PAUSE button.
00
VCO adjustment error
Contrast adjustment error
'.
.
51