Read LG 26LG300C (CHASSIS:LD85A) Service Manual online
4.2 DDC EDID Write (RGB 128Byte )
- Connect D-sub Signal Cable to D-Sub Jack.
- Write EDID DATA to EEPROM (24C02) by using DDC2B
- Write EDID DATA to EEPROM (24C02) by using DDC2B
protocol.
- Check whether written EDID data is correct or not.
4.3. DDC EDID Write (HDMI 256Byte)
- Connect HDMI Signal Cable to HDMI Jack.
- Write EDID DATA to EEPROM(24C02) by using DDC2B
- Write EDID DATA to EEPROM(24C02) by using DDC2B
protocol.
- Check whether written EDID data is correct or not.
4.4 Serial number (RS-232C)
- Press “Power on” key of service remocon. (Baud rate :
115200 bps)
- Connect RS232 Signal Cable to RS-232 Jack.
- Write Serial number by use RS-232.
- Must check the serial number at the Diagnostics of SET UP
- Write Serial number by use RS-232.
- Must check the serial number at the Diagnostics of SET UP
menu. (Refer to below).
4.5. EDID DATA
(1) RGB 128Byte
(2) DIGITAL DATA(HDMI-1) 256Byte
(3) DIGITAL DATA(HDMI-2) 256Byte
1) All Data : HEXA Value
2) Changeable Data :
2) Changeable Data :
*: Serial No : Controlled / Data:01
**: Month : Controlled / Data:00
***:Year : Controlled
****:Check sum
**: Month : Controlled / Data:00
***:Year : Controlled
****:Check sum
4.6. HDCP
(High-Bandwidth Digital Contents Protection)
SETTING (Scaler : Mstar)
- Connect D-sub Signal Cable to D-Sub Jack
- Input HDCP key with HDCP-key- in-program
- HDCP Key value is stored on EEPROM (AT24C512) which
- Input HDCP key with HDCP-key- in-program
- HDCP Key value is stored on EEPROM (AT24C512) which
is 0x80 addresses of 0xA0 page
- AC off/ on and on HDCP button of MSPG925 and confirm
whether picture is displayed or not of using MSPG925
- HDCP Key value is different among the sets.
4.7. Outgoing condition Configuration
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)
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 impacted on 1.5kV(dc) or
2.2kV(dc) for one second
board's ac block and GND is impacted on 1.5kV(dc) or
2.2kV(dc) for one second
- 13 -
A
B
C
A
B
C
A
B
C
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