26LG4000 (CHASSIS:LD86A) - LG TV Service Manual (repair manual). Page 13

(2) DIGITAL DATA(HDMI-1) 256Byte

(3) DIGITAL DATA(HDMI-2) 256Byte

(4) DIGITAL DATA(HDMI-3) 256Byte

1) All Data : HEXA Value
2) Changeable Data :

*: Serial No : Controlled / Data:01
**: Month : Controlled / Data:00
***:Year : Controlled
****:Check sum

When pressing IN-STOP key by SVC remocon, Red LED are
blinked alternatively. And then Automatically turn off. (Must
not AC power OFF during blinking)

Confirm whether is normal or not when between power
board's ac block and GND is impacked on 1.5kV(dc) or
2.2kV(dc) for one second

# Until ACK BIT goes LOW, Repeat it.

Command form use DDC2AB standard communication
protocol.

a. LEN : DATA BYTE number to send
b. CMD : Command language theat monitor executes.
c. VAL : FOS DATA
d. CS : Dada’s CHECKSUM that transmit
e. DELAY : 50Ms
f. A : Acknowledge

(1) Signal TABLE

(2) Command Set

* Purpose : To  read(84h) the appointment Address of

E2PROM by 128(80h)-byte

- 13 -

START

6E

A

STOP

50Ms

START

6E A 50

A

A

A

A

A

A

A

30

00

CS

STOP

LEN

CMD

VAL

128 Bytes

Delay 100ms

EEPROM READ

E7

A0

0

0-Page   0~7F  Read

80

0-Page  80~FF  Read

A2

0

1-Page   0~7F  Read

80

1-Page  80~FF  Read

A4

0

2-Page   0~7F  Read

80

2-Page  80~FF  Read

A6

0

3-Page   0~7F  Read

80

3-Page  80~FF  Read

Adjustment item

CMD(hex) ADH(hex) ADL(hex)

Details