Lcd System Adjustments - Sony DSC-S75 Service Manual

1-5.

LCD SYSTEM ADJUSTMENTS

Before perform the LCD system adjustments, check that the
specified values of "VIDEO SYSTEM ADJUSTMENTS" are sat-
isfied.
Note 1: The back light (fluorescent tube) is driven with high volt-
age AC power. Therefore, do not touch the back light
directly, otherwise you will feel an electric shock.
Note 2: Taken an extreme care not to destroy the liquid crystal
display module by static electricity when replacing it.
Note 3: Set the LCD BRIGHT (Menu display) to the center.
CPC-9 jig (J-6082-393-C)
(18p flexible board)
(Note 1, 2)
CPC
cover
1
18
SY-68 BOARD
CN401
Note 1: Don t use the 12 pin flexible board of CPC-9 jig.
It causes damage to the unit.
Note 2: The old CPC-9 jig (Parts code: J-6082-393-B)
cannot be used, because it cannot operate
the adjusting remote commander.
Fig. 5-1-19
[Adjusting connector]
Most of the measuring points for adjusting the LCD system are
concentrated in CN401 of the SY-68 board.
Connect the Measuring Instruments via the CPC-9 jig (J-6082-
393-C).
The following table shows the Pin No. and signal name of CN401.
Pin No. Signal Name
1 BL-L1
2 N.C.
3 N.C
4 REG_GND
5 N. C.
6 BL_L2
7 HSY
8 PANEL_COM
9 VG
5-29
Pin No. Signal Name
10 HI_UNREG
11 LANC_IN
12 LANC_OUT
13 N.C.
14 N.C.
15 N.C.
16 N.C.
17 N.C.
18 N.C