DOWNLOAD LG 42PQ301R-ZB (CHASSIS:PP91B) Service Manual ↓ Size: 11.25 MB | Pages: 70 in PDF or view online for FREE

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This spec sheet is applied to all of the PP91A/B chassis. 

(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,.

This  is  for  downloading  the  s/w  to  the  flash  memory  of  the
IC603

(1) PC
(2) ISP_tool program
(3) Download jig

(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

1) Connect the download jig to D-sub jack

2) Connect the PC to USB jack

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. 

[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)

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( Fig. 1)

( Fig. 2)

(6) Select SW file (XXXX.bin) you want, push the “OK” Key.
(7) S/W download process is excuted automatically.

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.

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..

..

MODEL : XXXXXX     Module : XXXX
S/W Ver. : X.XX          ROM : XXXXXXX
UTT                X           Temp : xxxxx : Celsius
ADC CAL.
RGB :VV

    OK  

Component SDV

    OK 

Component HDV

    OK 

EDID    RGB(OK)  HDMI1(NG)  HDMI2(NG)  HDMI3(NG)

Tool OptionV    V

   

4

Area OptionV   V

  40V

Option 1V

                      17

Option 2V

                      40

..

MODEL : XXXXXX     Module : XXXX
S/W Ver. : X.XX          ROM : XXXXXXX
UTT                X           Temp : xxxxx : Celsius
ADC CAL.
RGB :VV

    OK  

Component SDV

    OK 

Component HDV

    OK 

EDID    RGB(OK)  HDMI1(OK)  HDMI2(OK)  HDMI3(OK)

Tool OptionV    V

   

4

Area OptionV   V

  40V

Option 1V

                      17

Option 2V

                      40

( Fig. 3)

Originally  H6(PP91A/B)  Model  EDID  download  process  is
executed when you adjust Tool Option.

[ Caution

- Use the proper signal cable for EDID Download
- Never connect HDMI & D-SUB Cable at the same time.
- Use the proper cables below for EDID Writing

To be possible for plug and play

(1)  Adjusting  PC  with  S/W  for  writing  EDID  Data.(S/W:  EDID

TESTER Ver.2.5)

(2) A Jig for EDID Download
(3)  Cable  :  Serial(9Pin  or  USB)  to  D-sub  15Pin  cable,  D-sub

15Pin cable, DVI to HDMI cable.

Caution: Never connect HDMI & D-SUB Cable at the same time. 

O

WXGA EDID DATA(50inch)

<Analog(RGB) : 128bytes>

<HDMI 1 : 256bytes>

<HDMI 2 : 256bytes>

<HDMI 3 : 256bytes> SIDE HDMI(HDMI 3) is adjusted above 

60Tool model

O

XGA EDID DATA(42inch)

<Analog(RGB) : 128bytes>

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Connection Diagram of EDID