Electronic Viewfinder System Adjustments; Evf Automatic Adjustment (Lb-109 Board) - Sony DCR-HC39E Service Manual

1-4. ELECTRONIC VIEWFINDER SYSTEM
ADJUSTMENTS
Before perform the electronic viewfinder 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: Perform the following data setting before the viewfinder
system adjustments.
1) Select page: 3, address: C4, and set data: 67.
2) Select page: 3, address: C5, and set data: 01.
Reset the data after completing adjustment.
1) Select page: 3, address: C4, and set data: 00.
2) Select page: 3, address: C5, and set data: 00.

1. EVF Automatic Adjustment (LB-109 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: NTSC model: DCR-HC41/HC42/HC43
PAL model: DCR-HC39E/HC42E/HC43E
Switch setting
WIDE SELECT ........................................................................ 4: 3
DCR-HC39E/HC41/HC42/HC42E/HC43/HC43E
VTR stop (PLAY/EDIT mode)
No signal
C
3F, 40 (VCO Adjustment)
47 (Contrast Adjustment)
Adjusting method:
Order Page Address Data
1 0 01
2 C 71
3 3 01
4 3 02
5 3 03
6 C 3F
7
8
9
10 C 40
11 C 71
12 0 01
Note 3: The adjustment data will be automatically input to page:
C, address: 3F and 47.
Note 4: If the data change to "01", adjustment has error. Contents
of error is written into page: 3, address: C6. See the fol-
lowing table.
Note 5: Refer to table 6-4-1. "Hexadecimal-decimal conversion
table".
Data of page: 3, address: C6
5E
61
6-37
Procedure
01
00 Press PAUSE button.
5A Press PAUSE button. (Note 3)
Check the data changes to "00".
Check the data is "00". (Note 4)
Read the data and this data is
named D .
3F
Convert D to decimal
3F
notation, and obtain D
3F
(Note 5)
Calculate D ' using
40
following equations.
(decimal calculation)
D ' = D ' + 10 (NTSC model)
40 3F
D ' = D ' – 10 (PAL model)
40 3F
Convert D ' to a hexadeci-
40
mal number, and obtain D
(Note 5)
D Press PAUSE button.
40
41 Press PAUSE button.
00
Contents of error
VCO adjustment error
Contrast adjustment error
'.
.
40