Lcd System Adjustment; Lcd Initial Data Input - Sony MVC-FD91 Service Manual

1-5. LCD SYSTEM ADJUSTMENT

Note 1: The back light (fluorescent tube) is driven by a high voltage AC
power supply. Therefore, do not touch the back light holder to
avoid electrical shock.
Note 2: When replacing the LCD unit, be careful to prevent damages
caused by static electricity.
Note 3: Set the LCD BRIGHT to the center.
Set the FINDER/LCD switch to the LCD side.
Note 4: The shutter button (RL-52 board) is need not be connected. To
remove it, disconnect the following connectors.
FC-67 board CN702 (7P, 1.0mm)
Note 5: The ST block (Electronic viewfinder, FRASH UNIT and MIC
UNIT) is need not be connected. To remove, disconnect the
following connectors.
1. FC-67 board CN001 (5P, 1.0mm)
2. FC-67 board CN704 (13P, 1.0mm)
3. FC-67 board CN601 (21P, 0.5mm)
Note 6: The lens block (LENS UNIT, CD-207 board, VP-49 board and
SE-78 board) and operation switch block (MF UNIT, FRONT SW
and SIDE SW) are need not be connected. To remove them ,
disconnect the following connectors.
1. FC-67 board CN703 (10P, 0.5mm)
2. FC-67 board CN401 (20P, 0.5mm)
3. FC-67 board CN701 (14P, 0.5mm)
4. FC-67 board CN101 (16P, 0.5mm)
[Adjusting connector]
Most of the measuring points for adjusting the LCD system are
concentrated in CN701 of the PK-45 board.
Connect the Measuring Instruments via the CPC-12 jig (J-6082-
436-A).
Refer to "1-4. COLOR ELECTRONIC VIEWFINDER SYSTEM
ADJUSTMENT" for further details.
[Alignment disk]
Use the alignment disks (two disks as pair) shown in below.
Disk-1: TFD2-1(+) (Parts code; 8-967-990-01)
Disk-2: TFD2-2(–) (Parts code; 8-967-990-11)
Refer to "1-4. COLOR ELECTRONIC VIEWFINDER SYSTEM
ADJUSTMENT" for the contents of alignment disk.

1. LCD Initial Data Input

Mode
Signal
Adjustment Page
Adjustment Address
Adjusting method:
1) Select page: 0, address:01, and set data: 01.
2) Select page: F, and input the data in the following table.
Note: To write in the non-volatile memory (EEPROM), press the
PAUSE button of the adjustment remote commander each time
to set the data.
Address Data
30 BB
31 6F
32 77
33 7A
34 DB
35 6F
36 97
37 78
38 7C
3B 5E
3C 22
3D 11
3E 2E
3F 00
40 11
41 15
42 00
43 00
44 44
45 48
46 33
4A 9A
E0 1B
Processing after Completing Adjustment
1) Select page: 3, address: 00, and set data: 29.
2) Select page: 3, address: 01, and set data: 29, and press the
PAUSE button of the adjustment remote commander.
5-24
Playback
Arbitrary
F
30 to 38, 3B to 46, 4A, E0
Remark
Bright adjustment
Color adjustment
White balance adjustment
White balance adjustment
Contrast adjustment
VCO adjustment
V-COM adjustment
D range adjustment
V-COM level adjustment
Fixed value
Fixed value
Fixed value
Fixed value
Fixed value
Fixed value
Fixed value
Fixed value
Fixed value
Fixed value
Fixed value
Fixed value
Fixed value
Fixed value