LG RT-42LZ30, Service Manual

Page: 10 / 42

3.3.3 H/V Position, Clock, Clock Phase and Auto Calibration
operation check
-The Mode 13 (1280x768,60Hz) 1line from on/off pattern
H/V Position and the Clock, Clock Phase it is variable
each and it is checked it operates normally
-The Clock, Clock phase are adjusted by auto calibration
when they have become variable. They are checked
3.3.4 Color operation check: 9300K, 6500,USER COLOR are
checked for normal operation.
- It is checked that 9300 and USER COLOR setting are
same.
Other quality : Satisfactory yes or no adjustment against
each item from the standard condition which is written
clearly in the product specification
(1) Each SOURCE image and Sound check
- A/V : supports NTSC, PAL
- TV : It matches product specification
3.3.5 Audio Spec
Speaker: 8ohm
Input (PC AUDIO) : 0.7Vrms , Output : 10W
Input (A/V) : 0.5Vrms, Output : 10W
3.3.6 OSD and terminal check. Check clearly,adjustment fallows
the product specification.
3.3.7 The input is Color bar pattern and 256 Gray scale pattern
and check if normal color is displayed properly
3.3.8 DPM operation confirmation: the power LED glow and
voltage power consumption is checked,(when No image
signal condition)
3.3.9 E-DDC EDID Write
- Analog Part EDID Data Store
- Connect Analog Signal Cable to D-SUB Jack
Write DDDC data 24C02 and check DDC function
operates normally and DDC data is written correctly
*Stores Digital Part EDID Data
- Connect Digital Signal Cable to DVI-D Jack
Write DDDC data 24C02 and check DDC function
operates normally and DDC data is written correctly
3.2.5.11. RS 232C
- Connect serial cable to RS232C
- It fixes speed of 115200BPS
- Send the instruction " 0x04, 0xaa, 0xff, 0x53"and check
"OK" Message. is display on screen
3.2.5.12. All Reset
- All Tests finish when inside service mode. the NVRAM
INITIAL makes it ON with Initial Data
3.2.5.13 LANGUAGE: The default language is ENGLISH as in
the Product Specification. Another language can be set
as per Product Specification.
3.2.5.14. Country Option Setting
- Enter the Service menu Adjustment.
- In the SERVICE MENU select Option1&Option2 and set
up as .
(EUROPE / AUSTRALIA / CHINA ... ... ...ETC)
* SVC Menu Operation
During Power On Condition press 3+0+2+0 The OSD moves
to SPECIAL MENU and SVC OSD is displayed.
- 10 -
00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F
00 00 FF FF FF FF FF FF 00 1E 6D 4C 75 01 01 01 01
10 01 0E 01 03 EE 52 2E 78 EA D9 B0 A3 57 49 9C 25
20 11 49 4B A5 6A 80 81 80 45 59 31 59 01 01 01 01
30 01 01 01 01 01 01 30 2A 00 98 51 00 2A 40 30 70
40 13 00 78 2D 11 00 00 1E 1B 21 50 A0 51 00 1E 30
50 48 88 35 00 A2 0B 32 00 00 1C 00 00 00 FD 00 38
60 55 1E 48 0B 00 0A 20 20 20 20 20 20 00 00 00 FC
70 00 52 54 2D 33 37 4C 5A 33 30 0A 20 20 20 00 6F
00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F
00 00 FF FF FF FF FF FF 00 1E 6D 4B 75 01 01 01 01
10 01 0E 01 03 6E 52 2E 78 EA D9 B0 A3 57 49 9C 25
20 11 49 4B A5 6B 80 A9 40 81 80 45 59 31 59 01 01
30 01 01 01 01 01 01 1B 21 50 A0 51 00 1E 30 48 88
40 35 00 A2 0B 32 00 00 1C 00 00 00 FD 00 38 55 1E
50 53 10 00 0A 20 20 20 20 20 20 00 00 00 FC 00 52
60 54 2D 33 37 4C 5A 33 30 0A 20 20 20 00 00 00 FC
70 00 0A 20 20 20 20 20 20 20 20 20 20 20 20 00 A6