Advertisement
1. Application Object
These instructions are applied to the AC-05MB chassis.
2. Notes
(1) Because this is not a hot chassis, it is not necessary to use
an isolation transformer. However, the use of an isolation
transformer will help protect test instruments.
(2) Adjustments must be done in the correct order.
(3) The input voltage of the receiver must remain at
120V±10% while adjusting.
(4) The receiver must be operated for about 20 minutes prior
to the adjustment.
[ Never operate the set over 10 minutes with a still picture
because it may cause screen burn.
3. CPLD Download
3-1. Required Test Equipments &
Preparation for Adjustment
(1) Connect the PC and memory JIG as shown in <Fig. 1>.
(2) Turn on JIG MAIN POWER SW.
(3) Turn on the PC and monitor, operate the 'Device
Programming' software.
<Fig. 1 > How to connect the MEMORY JIG and PC
3-2. Adjustment Sequence
(1) Once the program is running, [OPTION MODE
SELECTION] is displayed in the window.
Check the "Load configuration File(.cdf, .pdr)" in this
window and click the finish button
(2) When the screen displays the open window, select the
suitable file(*.cdf) according to model.
(3) IC figure is change to green by clicking it.
(4) Select program options.
(5) Check the [Erase before programming] and [Verify] menu
as shown <Fig. 2> and press the OK button.
(6) At this time, the download starts. The download will finish
in about 10 seconds.
ADJUSTMENT INSTRUCTIONS
4. Hold down Operation Check
(1) This check step is implemented during the frame assembly
process.
(2) Check method: Short circuit the R1471 of Main2 JP
display part and check if it switches to ST-BY. (Install 30K
resistances in parallel to the R1471 on jig.)
5. EDID Data Input
5-1. Required Test Equipment
(1) PC, Jig for adjusting DDC. (256 bytes write)
(2) S/W for writing DDC(EDID data write & read)
5-2. Setting of Device
5-3. Adjustment
(1) Set devices as above and turn on the PC and JIG.
(2) Open S/W for writing DDC (EDID data write & read).
(3) Enter the Model-->Open in the Menu and then select EDID
DATA.
(4) Click the Digital and cancel the ANALOG.
Then connect to turn on the yellow light at the board &
connection.
(5) Click the Write Data & Verify and then download the EDID
DATA.
- 10 -
<Fig . 2>
TV
PC
SET
JIG
<Fig . 3>
Advertisement
