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LG 42PG1000 Service Manual page 10

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9-4. Connection Picture of the Measuring
Instrument(On Automatic control)
(1) 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.
Full White Pattern
RS-232C Communication
(Fig.6) Auto AV(CVBS) Color Balance Test Pattern
9-5. 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 15minutes.
- keep white pattern using inside pattern.
Auto adjustment Map(I2C)
V
- I2C(100K BPS)
10. Communication START
START
6E
A
STOP
* Until ACK BIT goes LOW, Repeat it.
11. Command form
Command form use DDC2AB standard communication
V
protocol.
START 6E A 50 A LEN A 03 A CMD A 00 A VAL A CS A STOP
1. LEN : DATA BYTE number to send.
2. CMD : Command language that monitor executes.
3. VAL : FOS DATA
4. CS : Dada's CHECKSUM that transmit.
5. DELAY : 50MS
6. A : Acknowledge.
Copyright©2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
All manuals and user guides at all-guides.com
12. EEPROM DATA READ
12-1. Single TABLE
CA-210
12-2. Command Set
Color
ANALYZER
TYPE : CA-210
No.
13. EEPROM Data Write(Serial No D/L)
13-1. Signal TABLE
CMD LENGTH ADH ADL DATA_1
50Ms
CMD
LENGTH : 84h+bytes
ADH
ADL
Data
CS
13-2. Command Set
No
1
2
* Description
13-3. Method & Notice
- 10 -
Delay 100ms
Adjustment
CMD
ADH
contents
(hex)
(hex)
1
EEPROM READ
E7
A0
2
3
A2
4
5
A4
6
7
A6
8
* To read the appointment Address of E
byte
: 8Eh
2
: E
PROM Slave Address(A0,A2,A4,A6,A8)
Not 00h(Reserved by Buffer To EEPROM)
2
: E
PROM Sub Address low (00~FF)
: Write data
: CMD + LENGTH + ADH + ADL + Data_1 + ... + Data_n
Adjust mode
CMD(hex) LENGTH(hex)
EEPROM WRITE
E8
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,.
(1) Serial number D/L is using of scan equipment.
(2) Setting of scan equipment operated by Manufacturing
Technology Group.
(3) Serial number D/L must be conformed when it is produced
in production line, because serial number D/L is mandatory
by D-book 4.0.
128Bytes
ADL
Details
(hex)
0
0-page
0~7F
Read
80
0-page
80~7F Read
0
1-page
0~7F
Read
80
1-page
80~7F Read
0
2-page
0~7F
Read
80
2-page
80~7F Read
0
3-page
0~7F
Read
80
3-page
80~7F Read
2
PROM by 128(80h)-
...
DATA_n
CS DELAY
Description
94
16-Byte Write
84+n
n-Byte Write
LGE Internal Use Only

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