5-26
1-5.
LCD SYSTEM ADJUSTMENTS
Before perform the camera system adjustments, check that the
specified values of “VIDEO SYSTEM ADJUSTMENTS” are
satisfied.
Note 1:
Taken an extreme care not to destroy the liquid crystal
display module by static electricity when replacing it.
Note 2:
Set the LCD BRIGHT (Menu display) to the center.
[Adjusting connector]
Most of the measuring points for adjusting the LCD system are
concentrated in CN 881 of the PD-137 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 CN
881.
Pin No.
Signal Name
Pin No.
Signal Name
1
BL_L1
10
UNREG
2
BL_L2
11
LANC IN
3
N. C.
12
LANC OUT
4
REG_GND
13
MAKER_RECOG
5
N. C.
14
PF7
6
N. C.
15
TXD
7
HSY
16
RXD
8
PEARL_COM
17
RESET
9
VG
18
VDD
[LCD type check]
By measuring the resistor value between Pin
qd
of CN881 and
Pin
4
of CN881, the type LCD can be discriminated.
PD-137 board CN881
Resistor value
LCD type
10 k
Ω
TYPE SA
22 k
Ω
TYPE ST
qd
pin
CPC-9 jig
(J-6082-393-C)
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 adjustment remote commander.
CPC cover
PD-137 board
CN881
Volt ohm meter
1
18
1
18
4
pin
Fig. 5-1-20
