LG 37LC2RHA / 37HIZ22 (CHASSIS:LP62F) Service Manual ▷ View online
* Test Equipment
Color Analyzer (CA-110)
PC(For communication through RS-232C)
=>UART Baud rate : 115200
Pattern Generator (MSPG-925FA etc.)
PC(For communication through RS-232C)
=>UART Baud rate : 115200
Pattern Generator (MSPG-925FA etc.)
*Target Value [ PSM: Standard(ZH/TH), CSM: Normal]
- Normal(9300K±1000K) x:283±0.015, y: 298±0.015
- Luminance(Y)
- Luminance(Y)
AV/COPM : Min. 250 Cd/m
2
(Typ : 300 Cd/m
2
)
PC
: Min. 300 Cd/m
2
(Typ : 350 Cd/m
2
)
=> Reference Value(Automatically fixed)
- Cool (11000K ± 1000K)
- Warm (7200K ± 1000K)
- Warm (7200K ± 1000K)
6.1. Manual white Balance (AV)
1) Execute CA-110 Zero Calibration.
2) Execute the SET Heat Run for 30minutes.
3) As below Fig.2, Supply 216Level (85 IRE) full screen
2) Execute the SET Heat Run for 30minutes.
3) As below Fig.2, Supply 216Level (85 IRE) full screen
pattern to Video input. AV3/ AV4 (Input 50Hz)
4) Press the FRONT-AV KEY on remote control for converting
input mode.
5) Set the PSM to Standard mode in Picture menu.
6) Enter the White Balance adjustment mode by pressing the
6) Enter the White Balance adjustment mode by pressing the
INSTART key twice (White Balance) on remote control.
7) Stick sensor to center of the screen and select each items
(Red/Green/Blue Gain and Offset) using
D
/
E
(CH+/-) key
on remote control.
8) Adjust Only High Light with R Gain/B Gain using
F
/
G
(VOL
+/-) key on remote control.
9) 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,
below.
Red Gain : 82,
Green Gain : 80,
Blue Gain : 86
Red Offset : 80,
Green Offset : 80,
Blue Offset : 8C)
10) Adjust High light with R/B Gain.
6.2 Auto white Balance (AV)
1) LPL Module
2) AUO Module
* Input Select Data
RF(10), AV1~4(20,21,22,23), SAV(30), COMP(40), DVI
(50or60), HDMI(90)
(50or60), HDMI(90)
* Command Set (SET ID : 0-> ALL , 1~99 -> each SET)
- 13 -
<Fig. 2>
216 Level(85IRE)
Command1 Command2 Set ID
Data
Min
Max
Input Select
XB
B
00
00h
90h
R-Gain
J
A
00
00h
E0h
G-Gain
J
B
00
00h
E0h
B-Gain
J
C
00
00h
E0h
R-Offset
J
D
00
00h
90h
G-Offset
J
E
00
00h
90h
B-Offset
J
F
00
00h
90h
Command1 Command2 Set ID
Data
Min
Max
Input Select
XB
B
00
00h
90h
R-Gain
J
A
00
00h
E0h
G-Gain
J
B
00
00h
E0h
B-Gain
J
C
00
00h
E0h
R-Offset
J
D
00
00h
90h
G-Offset
J
E
00
00h
90h
B-Offset
J
F
00
00h
90h
POWER ON/OFF
MAIN INPUT
ARC
SCREEN MUTE
AUDIO MUTE
VOLUME
CONTRAST
BRIGHTNESS
COLOR
TINT
SHARPNESS
OSD ON/OFF
CHILD LOCK
PIP MODE
PIP ARC
PIP POSITION
TREBLE
BASS
BALANCE
COLOR TEMP.
RED LEVEL
GREEN LEVEL
BLUE LEVEL
PIP INPUT
CURRENT STATE
Adjustment
CMD
SET ID VAL
Remark
KA(ka)
XB(xb)
KC(kc)
KD(kd)
KE(ke)
KF(kf)
KG(kg)
KH(kh)
KI(ki)
KJ(kj)
KK(kk)
KL(kl)
KM(km)
KN(kn)
KO(ko)
KQ(kq)
KR(kr)
KS(ks)
KT(kt)
KU(ku)
KV(kv)
KW(kw)
K$(k$)
XY(xy)
KZ(kz)
0~99
0~99
0~99
0~99
0~99
0~99
0~99
0~99
0~99
0~99
0~99
0~99
0~99
0~99
0~99
0~99
0~99
0~99
0~99
0~99
0~99
0~99
0~99
0~1
10~90
0~6
0~1
0~1
0~64
0~64
0~64
0~64
0~64
0~64
0~1
0~1
0~3
0~64
0~64
0~64
0~3
0~60
0~60
0~60
10~90
FF
0: OFF, 1:ON
RF(10), AV1~4(20,21,22,23),
SAV(30), COMP(40),
RGB(50 or 60), HDMI(90)
SPECTACLE, FULL, ORIGINAL
4:3, 16:9, 14:9, ZOOM
0: MUTE, 1: MUTE OFF
0: MUTE, 1: MUTE OFF
0:0, 64:100 (Hexadecimal)
0:0, 64:100 (Hexadecimal)
0:0, 64:100 (Hexadecimal)
0:0, 64:100 (Hexadecimal)
0:R50, 64:G50 (Hexadecimal)
0: 0, 64:100 (Hexadecimal)
0: OFF, 1: ON
0: LOCK, 1: OFF
PIP_OFF, PIP, DW1, DW2
NOT USED
NOT USED
0:0, 64:100
0:0, 64:100
0:L50, 64:R50
COOL, NORMAL, WARM, USER
0:-30, 60:30
0:-30, 60:30
0:-30, 60:30
RF(10), AV1~4(20,21,22,23),
SAV(30), COMP(41),
DVI(50 or 60), ,HDMI(61)
ACK : 0 - With signal
ACK : 1 -> Without signal
ACK : 2 -> Power Off
7. Shipped Condition
7.1. Input the Shipping Option Data
(1) Push the ADJ key in the Adjust Remote control
(2) Input the Option Number that was specified in the BOM,
(2) Input the Option Number that was specified in the BOM,
into the Shipping area.
1) Select “OPTION1” by using
1) Select “OPTION1” by using
D
/
E
(CH +/-) key, and press
the number key(0~9) consecutively.
ex) If the value of OPTION1 is 74, input the data using
ex) If the value of OPTION1 is 74, input the data using
number key “7” & “4”.(Fig. 3)
2) Select “OPTION2” by using
D
/
E
(CH +/-) key, and press
the number key (0~9).
3) Option3,4,5 are same as option1,2.
7.2. Detail list of SVC option data
- 14 -
RED GAIN
GREEN GAIN
BLUE GAIN
RED OFFSET
GREEN OFFSET
BLUE OFFSET
AUTO CONFIG.
TUNER CONTROL
SELECT PR.
SELECT SUB PR.
FACTORY IR
IR CODE
ADC Calibration
R e d , B l u e , G r e e n
Gain
R e d , B l u e , G r e e n
offset
Adjustment
WHITE BALANCE “J”(A~F)
CMD
SET ID VAL
Remark
JA
JB
JC
JD
JE
JF
JU
MA
MB
MC
Ja,Jb,Jc
Jd,Je,Jf
0~99
0~99
0~99
0~99
0~99
0~99
0~99
0~99
0~99
0~99
direction
:00<E0
00<90
0~3F
0~3F
0~3F
0~3F
0~3F
0~3F
01
0~C7
0~C7
- F0
Min:00
Max:fe
Min:00
Max:fe
0:0, 3F:3F, FF : the state marking
0:0, 3F:3F, FF :the state marking
0:0, 3F:3F, FF : the state marking
0:0, 3F:3F, FF : the state marking
0:0, 3F:3, FF : the state marking
0:0, 3F:3F, FF : the state marking
If Auto Adjust Condition is not,
send the NACK.
0: Pr. 0, C7: Pr.199
0: Pr. 0, C7: Pr.199
IR CODE 0, BITMASK = 0X01
Initial data : red -0x79
blue -0x6f
green -0x80
Initial data : red -0x80
blue -0x82
green -0x80
L P 6 2 x
C o r t e z V e r s i o n
X .
.
X X
P a n e l U s e d X X h r
T o o l O p t i o n 1
5 0 4 0 4
T o o l O p t i o n 2
5 0 4 0 4
A r e a O p t i o n
5 0
O p t i o n 1
1 0 2
O p t i o n 2 3
O p t i o n 3
O p t i o n 3
0
O p t i o n 4
1 9 2
O p t i o n 5
2 0
S y s t e m C o n t r o l 1
S y s t e m C o n t r o l 2
S y s t e m C o n t r o l 3
B l k L i n e D e t e c t o r
P o w w e r- O f f H i s t o r y
P a n e l C o n t r o l
F a n C o n t r o l
X S T U D I O C o n t o r l
SYS.
Option 1
Option 2
Option 3
Option 4
Option 5
200PR(1Bit)
SYS(1Bit)
Scart(1Bit) Default Lan. SplitZoom Key(1Bit)
ACMS(1Bit)
A2 ST(1Bit)
CSM(1Bit)
LANG
Save Split Zoom(1Bit)
TEXT(2Bit)
I II SAVE(1Bit)
T LANG
2 Hour Off Opt.(1Bit)
CH+AU(1Bit)
HDEV(1Bit)
OSD Rotate(1Bit)
BOOST(1Bit) V-Curve(1Bit)
Favorite Key(1Bit)
B-DEF(1Bit)
MONO(1Bit)
Exit Key(1Bit)
Navigation Key(1Bit)
- 15 -
8. Shipping Conditions
No
Item
Condition
Remark
1
Power
Off
2
Volume Level
30
3
Main Picture Input
TV
4
Main Last Channel
Pr 01
5
Mute
Off
6
ARC
16 : 9
7
Station
Auto Programme
Manual Programme
Programme Edit
Favorite Programme
None
8
Picture
PSM
Dynamic
Dynamic
Contrast
100
Brightness
50
Colour
50
Sharpness
50
CSM
Normal
XD
Auto
Advanced
Reset
9
Sound
SSM
Flat
Off
AVL
Off
Balance
0
50
50
Speaker
On
10
Time
Clock
--:--
User control
Off time
Off
On time
Off
Auto sleep
Off
11
Special
Language
English
Area management
Child Lock
Off
Set ID
1
XD Demo
To start
12
Screen
Auto config.
Manual config.
XGA/VGA mode
Variable by each mode
ARC
PFP Transparency
Reset
- 16 -
TROUBLESHOOTING
1. No power
Start check
Manufacture enterprise
meaning of a passage
1. Check the Power off condition
No
No
No
Yes
2. Check the Interface signal
condition
No
3. Check the St_by 5V signal
circuit
Yes
Yes
Yes
4. Check the 5V Monitor signal
circuit
5. Check the VSC RL_ON signal
Yes
6. Check the VSC low pressure
output
Yes
No
7. Check the VSC Vs_ON signal
Yes
8. Check the Vs, Va voltage
output circuit
Yes
9. Check the power board output
high tension circuit
Yes
10. Check the Z B/D Module
output circuit
Yes
Yes
No
No
No
Yes
No
11. Check the Y B/D Module
output circuit
Yes
No
Yes
No
No
No
Doesn’t
the screen whole
come out?
It is
identical with power
off condition?
Is the Interface
signal operated?
Doesn’t the
5V monitor signal
come out?
Doesn’t the
VSC signal RL_ON
come out?
Doesn’t the VSC
Low pressure output
come out?
Doesn’t the
Vs,Va voltage output
come out?
Doesn’t the
St-by 5V signal
come out?
Doesn’t
the VSC signal Vs-ON
come out?
When
remove,the
Y, Z B/D Module Input
connector, Power Board high
tension output voltage
drop it occurs?
When remove
the Y B/D Module
Input connector, output
voltage drop
is occurs?
When remove
the Z B/D Module
Input connector, output
voltage drop
is occurs?
Doesn’t the
low pressure output
come out?
Doesn’t the
high tension output
come out?
High tension
output Voltage drop
it occurs?
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