DOWNLOAD LG 42PQ300R-ZA (CHASSIS:PP91B) Service Manual ↓ Size: 6.87 MB | Pages: 30 in PDF or view online for FREE

Model
42PQ300R-ZA (CHASSIS:PP91B)
Pages
30
Size
6.87 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / Plasma
File
42pq300r-za-chassis-pp91b.pdf
Date

LG 42PQ300R-ZA (CHASSIS:PP91B) Service Manual ▷ View online

- 7 -
(3) Central and South America(MA)
 
 
 
- 8 -
ADJUSTMENT INSTRUCTION
1. Application Range
This spec sheet is applied to all of the PP91A/B 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 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°
- In case of keeping module is in the circumstance of 0°C,
it should be placed in the circumstance of above 15°C for
2 hours
- In case of keeping module is in the circumstance of below
-20°C, it should be placed in the circumstance of above
15°C for 3 hours,.
3. S/W Program Download
3-1. Profile
This is for downloading the s/w to the flash memory of the
IC603
3-2. Equipment 
(1) PC
(2) ISP_tool program
(3) Download jig
3-3. Connection Structure
3-4. Connection Condition
(1) IC name and circuit number : Flash Memory and IC603
(2) Use voltage : 3.3V (5 pin)
(3) SCL : 15 pin
(4) SDA : 12 pin
(5) Tact time : about 2min and 30seconds
3-5. Download Method (By using MSTAR JIG)
(1) Preliminary Steps
1) Connect the download jig to D-sub jack
2) Connect the PC to USB jack
(2) Download Steps
1) Execute ‘ISP Tool’ program in PC, then a main window will
be opened
Double click
2) Click the connect button and confirm “Dialog Box”.
3) Click the Config button and Change speed
E2PROM Device setting : over the 350Khz
4) Read and write bin file
Click “(1)Read” tab, and then load download file(XXXX.bin)
by clicking “Read”.
5) Click “Auto(2)” tab and set as below
6) Click “Run(3)”.
7) After downloading, check “OK(4)” message. 
3-6. Download Method (By using USB 
Memory Stick) 
[Caution]
- Using ‘power on’ button of the control R/C, power on TV.
- USB file (EPK) version must be bigger than downloaded
version of main B/D.
(1) Using ‘Power ON’ button of the control R/C, Power on TV.
(2) Insert the USB memory stick to the SET.
(3) Display USB loding message then, push the ‘Exit’ Key of
control R/C
(4) Push the ‘MENU’ Key and move the cusor ‘OPTION’ of
OSD ( Fig. 1)
* Caution: Don’t push the ‘OK’ key.Just cusor is on the
‘OPTION’ menu.
(5) Push the “7” key of control R/C continuously.
Then, Display “TV Software Update” Pop-up menu. (Fig. 2)
- 9 -
( Fig. 1)
( Fig. 2)
(6) Select SW file (XXXX.bin) you want, push the “OK” Key.
(7) S/W download process is excuted automatically.
4. PCB Assembly Adjustment Method
4-1. Option Adjustment Following BOM 
Tool Option
Area Option
Option 1
Option 2
Option 3(Available for EU & Non EU model)
* Profile: Must be changed the option value because being
different with some setting value depend on module, inch
and market 
* Equipment : Adjustment Remote Controller
(1) Push the IN-START key in the Adjust R/C.
(2) Enter Password number. The value of Password is “0 0 0
0”.
(3) Input the Option Number that was specified in the BOM,
into the Shipping area.
(4) Select “Tool Option/ Area Option” by using 
D
/
E
(CH+/-)
key, and press the number key(0~9) consecutively
ex) If the value of Tool Option1 is 4, input the data using
number key “4” (Fig. 3)
Caution: Don’t Push “IN-STOP” key after PCB assembly
adjustment.
(5) EDID D/L Method
After software D/L or PCBA manufacturing, you can
download EDID Data.
When you adjust Tool Option, H6 Model EDID download
process is executed automatically
* If the model don’t have HDMI 3, HDMI 3 will be disappeared
at OSD Window.
Caution: When you adjust tool option, don’t connect HDMI or D-
sub cable. 
If you connect some cable, EDID D/L process will be
failed. 
(6) Adjustment method    
Before PCBA check, have to change the Tool option and Area
option  
[
About PDP
After done all adjustments, Press IN-START button and
compare Tool option and Area option value with its BOM, if it
is correctly same then Change “RF mode” and then unplug
the AC cable.
If it is not same, then correct it same with BOM and unplug AC
cable. 
For correct it to the model’s module from factory JIG model.
[
Don’t push The IN-STOP KEY after completing the function
inspection.
- 10 -
..
..
MODEL : XXXXXX     Module : XXXX
S/W Ver. : X.XX          ROM : XXXXXXX
UTT                X           Temp : xxxxx : Celsius
ADC CAL.
RGB :
    OK  
Component SD
    OK 
Component HD
    OK 
EDID    RGB(OK)  HDMI1(NG)  HDMI2(NG)  HDMI3(NG)
Tool Option     
   
4
Area Option    
  40
Option 1
                      17
Option 2
                      40
..
MODEL : XXXXXX     Module : XXXX
S/W Ver. : X.XX          ROM : XXXXXXX
UTT                X           Temp : xxxxx : Celsius
ADC CAL.
RGB :
    OK  
Component SD
    OK 
Component HD
    OK 
EDID    RGB(OK)  HDMI1(OK)  HDMI2(OK)  HDMI3(OK)
Tool Option     
   
4
Area Option    
  40
Option 1
                      17
Option 2
                      40
( Fig. 3)
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