LG 42PC1RR-TL (CHASSIS:MF-056L) Service Manual ▷ View online
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8-2. Required Test Equipment
1) Remote controller for adjustment
2) 802F Pattern Generator, Master (MSPG-925FA), etc.
2) 802F Pattern Generator, Master (MSPG-925FA), etc.
( Which has 576i YpbPr output with Standard(0.7Vpp)Vertical
100% Color Bar Pattern as Fig.8)
100% Color Bar Pattern as Fig.8)
8-3. Method of Auto Component Color Balance
1) Input the Component 576i 100% Color Bar signal into
Component1.
2) Set the PSM to Dynamic mode in Picture menu.
3) Press IN-START and then TURBO-PICTURE key on R/C
3) Press IN-START and then TURBO-PICTURE key on R/C
for adjustment.
4) Press the
G
(Vol.+) key operate To set , then it becomes
automatically.
5) Auto-RGB OK means completed adjustment.
6) If the result is “NG’, Try once more.
6) If the result is “NG’, Try once more.
9. Checking DVR Function and HDD
9-1. Time Shift
1) Press ‘OK’ button and check Time Shift is working through
Progress bar is on.
2) Press after the time is 0:00:02 on the bar and check
previous picture for a few seconds.
( just , is working under 30seconds)
( just , is working under 30seconds)
3) Press and check a live picture back.
9-2. Recoding
1) Time setting :
(1) Set any time on the MENU for recoding.
(Recoding can’t be done under the Time is not active.
When main power is off , the time will be resetted.)
2) Manual Recoding :
(1) Set recoding information and check it on the scheduled
list.
3) Instant Recoding.
(1) Press the recoding button on remote control and record
a present program for 10 seconds then press the stop
button to stop recoding.
button to stop recoding.
(2) After finishing recoding, play the recoded clip on ’the
Recoded TV’.
(Fig. 8) Auto DVR Color Balance Test Pattern
(Fig. 9) DVR MENU
(Fig. 10) Time Shift Progress bar
(Fig. 11) DVR MENU
(Fig. 12) Scheduled List
(Fig. 13) Xstudio PRO MENU
(Fig. 14) Recoded List
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10. POWER PCB Assy Voltage
Adjustments
(Va, Vs Voltage adjustments)
10-1. Test Equipment :
D.M.M. 1EA
10-2. Connection Diagram for Measuring
: refer to Fig.15
10-3. Adjustment Method
(1) Va Adjustment
1) After receiving 100% Full White Pattern, HEAT RUN.
2) Connect + terminal of D. M..M. to Va pin of P807, connect
2) Connect + terminal of D. M..M. to Va pin of P807, connect
-terminal to GND pin of P807.
3) After turning RV501,voltage of D.M.M adjustment as
same as Va voltage which on label of panel right/top.
(deviation;
(deviation;
±0.5V)
(2) Vs Adjustment
1) Connect + terminal of D. M..M. to Vs pin of P807, connect
-terminal to GND pin of P807.
2) After turning RV 401, voltage of D.M.M adjustment as
same as Vs voltage which on label of panel right/top.
(deviation ;
(deviation ;
±0.5V)
11. EDID (The Extended Display
Identification Data)/ DDC (Display
Data Channel) download
11-1. Required Test Equipment
1) Adjusting PC with S/W for writing EDID Data.
(S/W : EDID TESTER Ver.2.5)
2) A Jig for EDID Download.
3) Cable : Serial(9Pin or USB) to D-sub 15Pin cable, D-sub
3) Cable : Serial(9Pin or USB) to D-sub 15Pin cable, D-sub
15Pin cable, DVI to HDMI cable.
11-2. Setting of device
11-3. Preparation for Adjustment
1) As above Fig. 16, Connect the Set, EDID Download Jig, PC
& Cable.
2) Turn on the PC & EDID Download Jig. And Execute the
S/W : EDID TESTER Ver,2.5.
3) Set up S/W option.
Repeat Number : 5
Device Address : A0
PageByte : 8
Device Address : A0
PageByte : 8
4) Power on the Set.
11-4. Sequence of Adjustment
(1) DDC data of Analog-RGB
1) Init the data.
2) Load the EDID data.(Open File).
[Analog(RGB) :
42PC1RR_RGB(B3)0307.ana] (VGA,XGA)
[Digital(HDMI):
42PC1RR_HDMI(DB37)_0307.div] (XGA)
42PC1RR_RGB(B3)0307.ana] (VGA,XGA)
[Digital(HDMI):
42PC1RR_HDMI(DB37)_0307.div] (XGA)
3) Set the S/W as below.
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.
(Fig. 15) Connection Diagram of power adjustment for measuring.
(Fig. 16) Connection Diagram of DDC download
Open File
Open File
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6) HDMI/DVI EDID data(check sum : DB37)
7) RGB EDID data(check sum : B3)
12. Adjustment of White Balance
12-1. Required Equipment
1) Remote controller for adjustment.
2) Color Analyzer.(CA-100 or same product)
3) Auto W/B adjustment instrument.(only for Auto adjustment)
4) AV Pattern Generator.
2) Color Analyzer.(CA-100 or same product)
3) Auto W/B adjustment instrument.(only for Auto adjustment)
4) AV Pattern Generator.
12-2. Connecting diagram of equipment for
measuring (For Auto Adjustment)
W
Auto adjustment Map(RS-232C)
12-3. Adjustment of White Balance
(For Manual adjustment)
O
Operate the zero-calibration of the CA-100, then stick
sensor to PDP module surface when you adjust.
O
For manual adjustment, it is also possible by the following
sequence.
1) Select white pattern of heat-run mode by pressing power
on key on remote control for adjustment then operate heat
run more than 15 minutes.
run more than 15 minutes.
2) As below Fig.18, Supply 216Level (85 IRE) full screen
pattern to Video input.
(42PC1RR-TL : AV1/AV2, Press the Front AV key->AV2)
3) Press the TV/AV KEY on R/C for converting input mode.
4) Set the PSM to Standard mode in Picture menu.
5) Enter the White Balance adjustment mode by pressing the
4) Set the PSM to Standard mode in Picture menu.
5) Enter the White Balance adjustment mode by pressing the
IN-START key twice(White Balance) on R/C.
6) Stick sensor to center of the screen and select each items
(Red/Green/Blue Gain and Offset) using
D
/
E
(CH +/-) key on R/C.
7) Adjust Only High Light with R Gain/ B Gain using
F
/
G
(VOL+/-) key on R/C.
8) Adjust it until color coordination becomes as below.
(Initially, R/G/B gain and R/G/B offset values are fixed as below
Red Gain : 82,
Red Gain : 82,
Green Gain : 80,
Blue Gain : 86
Red Offset : 7F,
Green Offset : 7E,
Blue Offset : 82)
9) When adjustment is completed, Exit adjustment mode
using EXIT key on R/C.
M SPG-
M STG- 5 2 0 0
216 Level (85 IRE)
216 Level (85 IRE)
COLOR
COLOR ANAL
ANALYZER
YZER
TYPE ; CA-100
TYPE ; CA-100
CVBS
CVBS
signal
signal
signal
input
input
input
RS-232C Serial Communication
925
Pattern Generator
Pattern Generator
/
(Fig. 17) Connection Diagram of Auto W/B Adjustment
Type
Baud Rate
115200
Index
R Gain
G Gain
B Gain
R Offset
G Offset
B Offset
Data bit
8
Cmd1 Cmd2
j
a
j
b
j
c
j
d
j
e
j
f
Stop bit
1
Parity
NONE
MF-056L
Protocol
Setting
Data
Min Value
00(00)
00(00)
00(00)
00(00)
00(00)
00(00)
Max Value
255(FF)
255(FF)
255(FF)
255(FF)
255(FF)
255(FF)
(Fig. 18) Pattern for Adjustment of White Balance
216 Level (85 IRE)
216 Level (85 IRE)
High Light
High Light
9,300°K ± 500°K
70 ± 20cd/m2
X : 0.285 ± 0.003
Y : 0.290 ± 0.003
Brightness
Color-Coordinate
Color Temperature
42X3 (40% C/F)
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13. Input the Shipping Option Data
1) Push the ADJ key in a Adjust Remocon.
2) Input the Option Number that was specified in the BOM, into
2) Input the Option Number that was specified in the BOM, into
the Shipping area.
3) The work is finished, Push
V
Key.
14. Default value in adjustment mode
14-1. Auto Color Balance (AV)
14-2. Auto Color Balance (Component/RGB)
14-3. White Balance
14-4. Auto Color Balance(DVR)
15. Language Group
16. Teletext Language Group
- It is not active when ‘EU-All’ is selected on language group.
- Then all teletext Language can be choose on user’s menu.
- Then all teletext Language can be choose on user’s menu.
This is the default.
(Fig. 19) Default Value on OSD
(Fig. 20) Default Value on OSD
(Fig. 21) Default Value on OSD
0
English
German
Swedish
Italian
French
Spanish
Turkish
Greek
1
Polish
German
Estonian
Lettish
French
Serbocroat
Czech
Rumanian
2
English
German
Estonian
Lettish
Cyrillic2
Cyrillic3
Czech
English
3
English
German
Swedish
Italian
French
Hebrew
Turkish
Arabic
4
English
German
Swedish
Italian
French
Hebrew
Turkish
Farsi
(Fig. 22) Default Value on OSD
5- Non-
EU etc
English
France
German
Spain
Italy
4- Non-
EU 8
English
France
German
Spain
Italy
Russia
China
Thai
3- EU-
East
English
France
German
Spain
Italy
Poland
Russia
2- EU-
English
France
German
Spain
Italy
Sweden
Norway
Denmark
1-EU-8
English
France
German
Spain
Italy
Netherland
Portugal
Greece
0- EU5
English
France
German
Spain
Italy
EU-All
English
France
German
Spain
Italy
Netherland
Portugal
Greece
Sweden
Norway
Denmark
Poland
Russia
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