Lcd System Adjustments - Sony DSC-S70 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 to the center.
• ATTACHMENT OF CPC-9 JIG
SY-58 board
(CN709)
CPC lid
CPC-9 jig (J-6082-393-C)
(18P flexible board)
Note 1: Don't use the 12 pin flexible board of CPC-9 jig.
It causes damage to the unit.
Note 2: In removing the CPC lid, start from
the upper side.
Note 3: The old CPC-9 jig (Parts code: J-6082-303-B) cannot be used,
because it cannot operate the adjustment remote commander.
[Adjusting connector]
Most of the measuring points for adjusting the LCD system are
concentrated in CN709 of the SY-58 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 CN709.
Pin No. Signal Name
1 N. C.
2 N. C.
3 N. C.
4 REG GND
5 XCPC_IN
6 N. C.
7 HSY
8 PANEL COM
9 VG
Open the battery
lid assembly.
Fig. 5-1-19
5-25
Pin No. Signal Name
10 UNREG
11 LANC IN
12 LANC OUT
13 N. C.
14 RF7
15 TXD
16 RXD
17 RESET
18 VDD
Table 5-1-7