LG 42PQ70BR-TA (CHASSIS:PP91A) Service Manual ▷ View online
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”.
by clicking “Read”.
5) Click “Auto(2)” tab and set as below
6) Click “Run(3)”.
7) After downloading, check “OK(4)” message.
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
- 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
(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
* 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.
(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)
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
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
(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
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
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.
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
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.
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 :
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 :
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)
5. EDID(The Extended Display
Identification Data)
Originally H6(PP91A/B) Model EDID download process is
executed when you adjust Tool Option.
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
- Never connect HDMI & D-SUB Cable at the same time.
- Use the proper cables below for EDID Writing
5-1. Profile:
To be possible for plug and play
5-2. Equipment
(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
(3) Cable : Serial(9Pin or USB) to D-sub 15Pin cable, D-sub
15Pin cable, DVI to HDMI cable.
5-3. Connection Structure
Caution: Never connect HDMI & D-SUB Cable at the same time.
5-4. EDID Data
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>
- 11 -
Connection Diagram of EDID
<HDMI 1 : 256bytes>
<HDMI 2 : 256bytes>
<HDMI 3 : 256bytes> SIDE HDMI(HDMI 3) is adjusted above
60Tool model
6. HDCP(High-Bandwidth Digital
Contents Protection) Download
HDCP download process is deleted in H6 models
In H6 models, it is usimg the EEPROM masking HDCP Key
In H6 models, it is usimg the EEPROM masking HDCP Key
7. Manual ADC Adjustment
(Component 1, RGB)
[Caution]
- Do not connect external input cable
- Adjustment result is applied to SET On/Off later.
- Adjustment result is applied to SET On/Off later.
* Adjustment is done using internal ADC, so input signal is not
necessary.
7-1. COMPONENT ADC (SD / HD)
(1) Convert to Component1 input source.
(2) Press ADJ key on R/C for adjustment.
(3) Enter Password number. The value of Password is “0 0 0
(2) Press ADJ key on R/C for adjustment.
(3) Enter Password number. The value of Password is “0 0 0
0”.
(4) Select “0. ADC calibration” by using
D
/
E
(CH +/-) and press
ENTER(
V
).
(5) Start ADC adjustment by using
F
/
G
(VOL +/-) or press
ENTER(
V
).
(6) ADC adjustment is executed automatically .
When ADC adjustment is finished, this OSD appear.
7-2. RGB input ADC
Auto RGB Gain/Offset Adjustment
(1) Convert to PC in Input-source
(2) Press ADJ key on R/C for adjustment.
(3) Enter Password number. The value of Password is “0 0 0
(2) Press ADJ key on R/C for adjustment.
(3) Enter Password number. The value of Password is “0 0 0
0”.
(4) Select “0. ADC calibration” by using
D
/
E
(CH +/-) and press
ENTER(
V
).
(5) Start ADC adjustment by using
F
/
G
(VOL +/-) or press
ENTER(
V
).
(6) ADC adjustment is executed automatically .
When ADC adjustment is finished, this OSD appear.
Notice : After All mode check, set the Speaker Volume “0”.
- 12 -
RF input
NO SIGNAL or White noise
AV / Component / RGB input
NO SIGNAL
Click on the first or last page to see other 42PQ70BR-TA (CHASSIS:PP91A) service manuals if exist.