DOWNLOAD LG 60PS70-UG (CHASSIS:PU91B) Service Manual ↓ Size: 8.26 MB | Pages: 30 in PDF or view online for FREE

Model
60PS70-UG (CHASSIS:PU91B)
Pages
30
Size
8.26 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / Plasma
File
60ps70-ug-chassis-pu91b.pdf
Date

LG 60PS70-UG (CHASSIS:PU91B) Service Manual ▷ View online

- 4 -
SPECIFICATIONS
NOTE : Specifications and others are subject to change without notice for improvement.
V
Application Range
This spec is applied to the 
PLASMA TV used PU91A Chassis.
Specification
Each part is tested as below without special appointment.
1) Temperature : 25±5°C (77±9°F), CST: 40±5°C
2) Relative Humidity: 65±10%
3) Power Voltage: Standard Input voltage (100-240V~, 50/60Hz)
* Standard Voltage of each product is marked by models.
4) Specification and performance of each parts are followed each drawing and specification by part number in accordance with SBOM.
5) The receiver must be operated for about 20 minutes prior to the adjustment.
V
Test Method
1) Performance : LGE TV test method followed.
2) Demanded other specification 
Safety : UL, CSA, IEC specification, CE
EMC
: FCC, ICES, IEC specification, CE
Chassis
PU91A
PU91B
50/60PS80-UA
50/60PS80-UG
50/60PS70-UG
NORTH AMERICA
MEXICO, CANADA
LG
LG
Model Name
Market
Brand
Remark
Model
50/60PS80-UA
50/60PS80-UG
50/60PS70-UG
Appliance
Safety : UL1492, CSA C22.2.No. 1
EMC : FCC Class B, IC Class B
Market
NORTH AMERICA
MEXICO, CANADA
Compliance
- 5 -
SPECIFICATIONS
V
General Specification
 
 
 
   
 
 
 
   
 
 
 
 
 
 
 
   
 
 
 
   
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
   
 
 
 
 
 
 
 
 
 
 
   
 
   
 
 
   
 
 
 
     
 
 
   
 
 
 
 
 
 
 
 
 
 
 
- 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.
(2) Adjustment must be done in the correct order.
(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
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.
* 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. 
4. USB DOWNLOAD
(*.epk file download)
(1) Put the USB Stick to the USB socket 
(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
(3) Show the message “Copying files from memory”
 
 
 
 
 
 
- 7 -
ADJUSTMENT INSTRUCTIONS
(4) Updating is staring.
(5) Updating Completed, The TV will restart automatically.
(6) If your TV is turned on, check your updated version and Tool
option. (explain the Tool option, next stage)
* If downloading version is more high than your TV have, TV can
lost all channel data. In this case, you have to channel
recover. if all channel data is cleared, you didn’t have a
DTV/ATV test on production line.
[
After downloading, have to adjust TOOL OPTION again.
1. Push “IN-START” key in service remote controller.
2. Select “Tool Option 1” and Push “OK” button.
3. Punch in the number. (Each model has their number.)
4. Completed selecting Tool option.
5. ADC Adjustment
5-1. Overview
ADC adjustment is needed to find the optimum black level and
gain in Analog-to-Digital device and to compensate RGB
deviation.
5-2. Equipment & Condition
5-3. Adjustment
(1) Method
Using RS-232, adjust items listed in 3.1 in the order shown
in (3) 
(2) Adj. Protocol
Ref.) ADC adj. RS232C Protocol_Ver1.0
(3) Adj. Order
- ad 00 00  [Enter ADC adj. mode]
- ad 00 10  [Adjust 480i Comp1/1080i Comp1/1024*768
RGB]
- ad 00 90  End adj.
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LG 60PS70-UG (CHASSIS:PU91B) Service Manual ▷ Download

  • DOWNLOAD LG 60PS70-UG (CHASSIS:PU91B) Service Manual ↓ Size: 8.26 MB | Pages: 30 in PDF or view online for FREE
  • Here you can View online or download the Service Manual for the LG 60PS70-UG (CHASSIS:PU91B) in PDF for free, which will help you to disassemble, recover, fix and repair LG 60PS70-UG (CHASSIS:PU91B) Plasma. Information contained in LG 60PS70-UG (CHASSIS:PU91B) Service Manual (repair manual) includes:
  • Disassembly, troubleshooting, maintenance, adjustment, installation and setup instructions.
  • Schematics, Circuit, Wiring and Block diagrams.
  • Printed wiring boards (PWB) and printed circuit boards (PCB).
  • Exploded View and Parts List.