2-2-6. Adjustment for the Power Board2-3-2. Notes
When the Panel is Replaced
(1) Without any special specification, the Module should
be at the condition of preliminaries more than 10
minutes before adjusting.
. Service signal : 100% Full White signal
. Service DC voltage : Vcc : 5 V, Va : 65 V, Vs : 190 V
. DC/DC Pack voltage : Vsetup : 220 V, Vscw : 115 V,
_Ve : _35 V, _Vy : _75 V
. Preliminaries environment : Temp (25 ?5°C),
Relative humidity (65 ?10%)
(2) Module should get the Aging for the equilibrium after
finish the assembling. Aging condition is shown
below.
. Service signal : 100% Full White, Red, Green, Blue
pattern signal (Service time of each pattern : within
The label shown in the picture above is stuck on the upper5 minutes/cycle)
right position at the back side of the panel, on which the. Service DC voltage : Match the voltage with the set
Va and Vs voltages for each panel are described.up voltage in the first adjustment.
. Aging time : More than 4 Hrs
. Aging environment : Temp (60 ?2°C), relative
Vs adjusting VRhumidity-Less than 75%
(3) Module adjustment should be followed by below
Va adjusting VRsequence.
. Setting up the initial voltage and adjusting the
voltage wave form of Vsetup
. Measuring the Margin of Vs voltage and deciding
the voltage
. Adjusting and checking the voltage of DC/DC pack
(Vsetup, Vscw, _Ve, _Vy)
. Adjusting the voltage wave form of Vset-down
. Measuring the voltage margin of Vset-up and
deciding the voltage
The Vs and Va adjusting VRs are located at around the. Adjusting the wave form of final voltage
center part of the power board as shown in the picture.But, these items above can be changed by the
After replacing the panel, adjust each VR so that it be-consideration of mass production.
comes the voltage described in the above label (?0.5 V).(4) Without any special specification, you should adjust
Voltage measurement is performed between pin 1 ofthe Module in the environment of Temp (25 ?5°C)
CN807 and chassis GND for Vs, and between pin 6 ofand Relative humidity (65 ?10%)
CN807 and pin 10 of CN806 for Va.
c
If you let the still image more than 10 minutes (espe-
2-3. Adjustment for Panelcially The Digital pattern or Cross Hatch Pattern which
has clear gradation), after image can be presented in
2-3-1. Application Objectthe black level part of screen.
This standard is applied to the PDP42V5#### PDP Module
which is manufactured by the manufacturing team of PDP
promotion department or elsewhere.
PFM-42V1/42V1A/42V1E/42V1P2-3 |
ACEC
