Read LG 50PS70-UG (CHASSIS:PU91B) Service Manual online
- 6 -
ADJUSTMENT INSTRUCTIONS
1. Application Range
This spec sheet is applied to all of the PU91A Chassis.
2. Specification
(1) Because this is not a hot chassis, it is not necessary to use
an isolation transformer. However, the use of isolation
transformer will help protect test instrument.
transformer will help protect test instrument.
(2) Adjustment must be done in the correct order.
(3) The adjustment must be performed in the circumstance of
(3) The adjustment must be performed in the circumstance of
25±5
c
C of temperature and 65±10% of relative humidity if
there is no specific designation.
(4) The input voltage of the receiver must keep 100~240V,
50/60Hz.
(5) The receiver must be operated for about 5 minutes prior to
the adjustment when module is in the circumstance of over
15
15
c
C
- In case of keeping module is in the circumstance of 0
c
C,
it should be placed in the circumstance of above 15
c
C for
2 hours
- In case of keeping module is in the circumstance of below
-20
c
C, it should be placed in the circumstance of above
15
c
C for 3 hours.
(Caution) When still image is displayed for a period of 20 minutes
or longer (especially where W/B scale is strong.
Digital pattern 13ch and/or Cross hatch pattern 09ch),
there can some afterimage in the black level area.
Digital pattern 13ch and/or Cross hatch pattern 09ch),
there can some afterimage in the black level area.
* APC - After Manual-Insert, executing APC
3. Boot File Download
(1) Execute ISP program “Mstar ISP Utility” and then click
“Config” tab.
(2) Set as below, and then click “Auto Detect” and check “OK”
message
If “Error” is displayed, Check connection between computer,
jig, and set.
(3) Click “Read” tab, and then load download file (XXXX.bin)
by clicking “Read”
(4) Click “Connect” tab. If “Can’t “ is displayed, Check
connection between computer, jig, and set.
(5) Click “Auto” tab and set as below.
(6) Click “Run”.
(7) After downloading, check “OK” message.
(6) Click “Run”.
(7) After downloading, check “OK” message.
4. USB DOWNLOAD
(*.epk file download)
(1) Put the USB Stick to the USB socket
(2) Automatically detecting update file in USB Stick
(2) Automatically detecting update file in USB Stick
- If your downloaded program version in USB Stick is Low,
it didn’t work.
But your downloaded version is High, USB data is
automatically detecting
But your downloaded version is High, USB data is
automatically detecting
(3) Show the message “Copying files from memory”
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