5-30
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.
[Adjusting connector]
Most of the measuring points for adjusting the LCD system are
concentrated in CN706 of the SY-66 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 CN803.
Pin No.
Signal Name
Pin No.
Signal Name
1
BL_L1
10
UNREG
2
Y_OUT
11
LANC_IN
3
C_OUT
12
LANC_OUT
4
REG_GND
13
MAKER_RECOG
5
CPC_IN
14
RF7 (N.C.)
6
BL_L2
15
TXD (N.C.)
7
HSY
16
RXD (N.C.)
8
PANEL_COM
17
RESET (N.C.)
9
VG
18
VDD (N.C.)
Fig. 5-1-19
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.
CPC-9 jig (J-6082-393-C)
(18p flexible board)
(Note 1, 2)
CPC
cover
SY-66 board
CN706
1
18
