LG 32HIZ22 Service Manual page 13

* Test Equipment
Color Analyzer (CA-110)
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)
AV/COPM : Min. 250 Cd/m
PC : Min. 300 Cd/m
=> Reference Value(Automatically fixed)
- Cool (11000K ± 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
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
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
on remote control.
8) Adjust Only High Light with R Gain/B Gain using
+/-) 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, Green Gain : 80,
Red Offset : 80, Green Offset : 80,
10) Adjust High light with R/B Gain.
216 Level(85IRE)
6.2 Auto white Balance (AV)
1) LPL Module
Command1 Command2 Set ID
Input Select XB
R-Gain J
G-Gain J
B-Gain J
R-Offset J
G-Offset J
B-Offset J
2 (Typ : 300 Cd/m 2 )
2 (Typ : 350 Cd/m 2 )
D E
/ (CH+/-) key
Blue Gain : 86
Blue Offset : 8C)
<Fig. 2>
Data
Min
B 00 00h
A 00 00h
B 00 00h
C 00 00h
D 00 00h
E 00 00h
F 00 00h
2) AUO Module
Input Select
R-Gain
G-Gain
B-Gain
R-Offset
G-Offset
B-Offset
* Input Select Data
RF(10), AV1~4(20,21,22,23), SAV(30), COMP(40), DVI
(50or60), HDMI(90)
* Command Set (SET ID : 0-> ALL , 1~99 -> each SET)
Adjustment
POWER ON/OFF
MAIN INPUT
ARC
SCREEN MUTE
AUDIO MUTE
F / G (VOL
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
Max
90h
E0h
CURRENT STATE
E0h
E0h
90h
90h
90h
- 13 -
Command1 Command2 Set ID
XB B 00
J A 00
J B 00
J C 00
J D 00
J E 00
J F 00
CMD SET ID VAL
KA(ka) 0~99 0~1 0: OFF, 1:ON
XB(xb) 0~99 10~90 RF(10), AV1~4(20,21,22,23),
SAV(30), COMP(40),
RGB(50 or 60), HDMI(90)
KC(kc) 0~99 0~6 SPECTACLE, FULL, ORIGINAL
4:3, 16:9, 14:9, ZOOM
KD(kd) 0~99 0~1 0: MUTE, 1: MUTE OFF
KE(ke) 0~99 0~1 0: MUTE, 1: MUTE OFF
KF(kf) 0~99 0~64 0:0, 64:100 (Hexadecimal)
KG(kg) 0~99 0~64 0:0, 64:100 (Hexadecimal)
KH(kh) 0~99 0~64 0:0, 64:100 (Hexadecimal)
KI(ki) 0~99 0~64 0:0, 64:100 (Hexadecimal)
KJ(kj) 0~99 0~64 0:R50, 64:G50 (Hexadecimal)
KK(kk) 0~99 0~64 0: 0, 64:100 (Hexadecimal)
KL(kl) 0~99 0~1 0: OFF, 1: ON
KM(km) 0~99 0~1 0: LOCK, 1: OFF
KN(kn) 0~99 0~3 PIP_OFF, PIP, DW1, DW2
KO(ko) NOT USED
KQ(kq) NOT USED
KR(kr) 0~99 0~64 0:0, 64:100
KS(ks) 0~99 0~64 0:0, 64:100
KT(kt) 0~99 0~64 0:L50, 64:R50
KU(ku) 0~99 0~3 COOL, NORMAL, WARM, USER
KV(kv) 0~99 0~60 0:-30, 60:30
KW(kw) 0~99 0~60 0:-30, 60:30
K$(k$) 0~99 0~60 0:-30, 60:30
XY(xy) 0~99 10~90 RF(10), AV1~4(20,21,22,23),
SAV(30), COMP(41),
DVI(50 or 60), ,HDMI(61)
KZ(kz) 0~99 FF ACK : 0 - With signal
ACK : 1 -> Without signal
ACK : 2 -> Power Off
Data
Min Max
00h 90h
00h E0h
00h E0h
00h E0h
00h 90h
00h 90h
00h 90h
Remark