Zenith Z44SZ80 Service Manual - Adjustment Instructions
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6. EDID(HDMI) Data Input
6-1. Required Test Equipment
(1) Jig for adjusting PC, DDC (PC serial to D-sub connection
device)
(2) S/W for writing DDC(EDID data write & read)
(3) D-sub terminal
(4) Jig for connecting EDID Cable(HDMI-DVI cable)
6-2. Adjustment Preparation and Setting of
Device
(1) Setup as in
(2) Operate the S/W for writing DDC(EDID data write & read)
(operated in DOS mode.)
6-3. Sequence of Adjustment
(1) Put the SET(or Digital Board) on the table and turn the
power on.
Connector the JIG for download to HDMI 1(#1) port.
(2) Input the product code, production week / year, serial
number (if it is not input, write “01”) to the S/W for writing
DDC.
(3) Open the first file [44/52SZ8D-UA]HDMI1_V1_1(93ED).DVI.
(4) Operate EDID Write command by pressing Function Key
F8.
(5) When “OK” letter appear, completed the Write.
(6) After connector the JIG for download to HDMI 2(#2) port,
open the second file [44/52SZ8D-UA]HDMI2_V1_1(697B).
DVI and operate as same above method.
7. CPLD Download Work
7-1. Required Test Equipments &
Preparation for Adjustment
(1) Connect the PC and memory JIG as shown in
(2) Turn on JIG MAIN POWER SW.
(3) Turn on the PC and moniter, operate the device
programming software.
7-2. 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.
(Refer to