LG 42PG6910-ZF (CHASSIS:PD84A) Service Manual ▷ View online
8-3. Preparation for Adjustment
(1) Connect the Set, EDID Download Jig,, PC & Cable
(2) Turn on the PC & EDID Download Jig. Set up the S/W
(2) Turn on the PC & EDID Download Jig. Set up the S/W
option
(3) Power on the Set
8-4. Sequence of Adjustment
(1) EDID Download
1) Init the data
2) Load the EDID data.(Open File)
2) Load the EDID data.(Open File)
[Analog file] (for RGB)
[Digital file] (for HDMI)
[Digital file] (for HDMI)
3) Set the S/W to download.
4) Push the “Write Data & Verify” button. And confirm “Yes”
5) If the writing is finished, you will see the ”OK” message.
4) Push the “Write Data & Verify” button. And confirm “Yes”
5) If the writing is finished, you will see the ”OK” message.
If TV has four HDMI INPUT, you must download four times
for each HDMI.
for each HDMI.
(2) EDID DATA
1) Analog RGB
Detail EDID Options are below (
ⓐ
,
ⓑ
,
ⓒ
,
ⓓ
,
ⓔ
)
ⓐ
Product ID
ⓑ
Serial No: Controlled on production line.
ⓒ
Week, Year: Controlled on production line:
ex) Week: ‘03’ ==> ‘03’
Year: ‘2006’ ==> ‘10’
ⓓ
Model Name(Hex):
ⓔ
Checksum: Changeable by total EDID data.
2) HDMI
Detail EDID Options are below (
ⓐ
,
ⓑ
,
ⓒ
,
ⓓ
,
ⓔ
,
ⓕ
)
ⓐ
Product ID
ⓑ
Serial No: Controlled on production line.
ⓒ
Week, Year: Controlled on production line:
ex) Week: ‘03’ ==> ‘03’
Year: ‘2006’ ==> ‘10’
ⓓ
Model Name(Hex):
ⓔ
Checksum: Changeable by total EDID data.
ⓕ
physical address : ex) HDMI 1 : 10, HDMI 2 : 20 ~ HDMI 3 :
30
[
EDID Download is needed HDMI1~HDMI3.
- 9 -
- 10 -
Before adjusting White-balance , the AV ADC should be done.
If ADC status were “NG”, Need to ADC adjustment.
If ADC status were “NG”, Need to ADC adjustment.
9. Adjustment of White Balance
9-1. Required Equipment
(1) Remote controller for adjustment
(2) Color Analyzer (CS-1000, CA-100,100+,CA-210 or same
(2) Color Analyzer (CS-1000, CA-100,100+,CA-210 or same
product ) : CH 10 (PDP)
[
Please adjust CA-210, CA-100+ by CS-1000 before
measuring
(3) Auto W/B adjustment instrument(only for Auto adjustment)
(4) AV Pattern Generator
(5) 15 Pin D-Sub Jack(RGB) is connected to the AUTO W/B
(4) AV Pattern Generator
(5) 15 Pin D-Sub Jack(RGB) is connected to the AUTO W/B
EQUIPMENT.
9-2. AUTO White Balance Process.
Adjust Process will start by execute I2C Command (Inner
pattern (0xF3, 0xFF)).
pattern (0xF3, 0xFF)).
O
Color temperature standards according to CSM and Module
O
CS-1000/CA-100+/CA-210(CH 10) White balance
adjustment coordinate and color temperature
9-3. Manual W/B Process
(using adjusts Remote control)
(1) After enter Service Mode by pushing “ADJ” key,
(2) Enter White Pattern off of service mode, and change off ->
(2) Enter White Pattern off of service mode, and change off ->
on.
(3) Enter “W/B ADJUST” by pushing “
G
” key at “3. W/B
ADJUST”.
PC (for communication through RS-232C) ==> UART Baud
rate : 115200 bps
rate : 115200 bps
9-4. Connecting Picture of the Measuring
Instrument
(On Automatic control )
Inside PATTERN is used when W/B is controlled. Connect to
auto controller or push control R/C IN-START —> Enter the
mode of White-Balance, the pattern will come out.
auto controller or push control R/C IN-START —> Enter the
mode of White-Balance, the pattern will come out.
[
Auto-control interface and directions
1. Adjust in the place where the influx of light like floodlight
around is blocked. (illumination is less than 10ux).
2. Measure and adjust after sticking the Color Analyzer
(CA-100+, CA210 ) to the side of the module.
3. Aging time
After aging start, keep the Power on (no suspension of
power supply) and heat-run over 15 minutes
power supply) and heat-run over 15 minutes
O
Auto adjustment Map(I2C)
(1) I2C (100K BPS)
(2) COMMUNICATION START
#Until ACK BIT goes LOW, Repeat it.
(3) Command form.
Command form use DDC2AB standard communication
protocol.
protocol.
a. LEN: DATA BYTE number to send.
b. CMD: Command language that monitor executes.
c. VAL: FOS DATA
d. CS: Dada’s CHECHSUM that transmit
e. DELAY: 50MS
f. A: Acknowledge
b. CMD: Command language that monitor executes.
c. VAL: FOS DATA
d. CS: Dada’s CHECHSUM that transmit
e. DELAY: 50MS
f. A: Acknowledge
<Fig. 6> Connection Diagram of Auto W/B Adjustment
(4) Adjustment Commands (LENGTH = 84)
- 11 -
- 12 -
(5) EEPROM DATA READ
1) Signal TABLE
2) Command Set
To read the appointment Address of E2PROM by 128(80h)
-byte
-byte
(6) EEPROM Data Write(serial number D/L)
1) Signal TABLE
CMD
: 8Eh
LENGTH : 84h+Byte
ADH
ADH
: E2PROM Slave Address (A0, A2, A4, A6, A8),
Not 00h (Reserved by Buffer To EEPROM)
ADL
: E2PROM Sub Address (00~FF)
Data
: Write data
CS
: CMD + LENGTH + ADH + ADL + Data_1 + ... +
Data_n
2) Command Set
* Description
FOS Default write : <7mode data> write
Vtotal, V_Frequency, Sync_Polarity, Htotal, Hstart, Vstart, 0,
Phase
Data write : Model Name and Serial Number write in
EEPROM,.
Vtotal, V_Frequency, Sync_Polarity, Htotal, Hstart, Vstart, 0,
Phase
Data write : Model Name and Serial Number write in
EEPROM,.
Delay : 20ms
3) Command Set
* Description
FOS Default write : <7mode data> write
Vtotal, V_Frequency, Sync_Polarity, Htotal, Hstart, Vstart, 0,
Phase
Data write : Model Name and Serial Number write in
EEPROM,.
Vtotal, V_Frequency, Sync_Polarity, Htotal, Hstart, Vstart, 0,
Phase
Data write : Model Name and Serial Number write in
EEPROM,.
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