LG 17LS5R (CHASSIS:LP68A) Service Manual ▷ View online
- 9 -
1. Application Range
These documents is applied to 17" LCD TV(chassis : LP68A)
2. Designation
1) The adjustment is according to the order which is
designated and which must be followed, according to the
plan which can be changed only on agreeing.
plan which can be changed only on agreeing.
2) Power Adjustment : Free Voltage
3) Magnetic Field Condition : Nil.
4) Input signal Unit : Product Specification Standard
5) Reserve after operation : Above 30 Minutes
6) Adjustment equipments: Color Analyzer(CA-210 or CA-
3) Magnetic Field Condition : Nil.
4) Input signal Unit : Product Specification Standard
5) Reserve after operation : Above 30 Minutes
6) Adjustment equipments: Color Analyzer(CA-210 or CA-
110), Pattern Generator (MSPG-925L or Equivalent), DDC
Adjustment Jig equipment, SVC remote controller
Adjustment Jig equipment, SVC remote controller
3. Main PCB check process
3.1. Download
1) Execute ISP program “Mstar ISP Utility” and then click
“Config” tab.
2) Set as below, and check the following tabs.
Port type - Choose the your port type, Normally “LPT1” or
“LPT2.
Speed - Choose the speed from 70 to 99.
JIG - Choose the your JIG type, Normally “Mstar” or “LGE”.
“LPT2.
Speed - Choose the speed from 70 to 99.
JIG - Choose the your JIG type, Normally “Mstar” or “LGE”.
3) Click “Read” tab, and then load download file(XXXX.bin) by
clicking “Read”.
4) Click “Auto” tab and set as below, and then click “Run”.
5) After downloading, check “OK” message.
* APC - After Manual-Insert, executing APC
3.2. ADC Process
(1) PC input ADC
1) Auto RGB Gain/Offset Adjustment
(a) Convert to PC in Input-source
(b) Signal equipment displays.
(b) Signal equipment displays.
Output Voltage : 730 mVp-p
Impress Resolution XGA(1024x768@60Hz)
Pattern:gray pattern that left & right is black and
center is white signal(Refer below picture)
(Model:60, Pattern:28 at MSPG925L)
Impress Resolution XGA(1024x768@60Hz)
Pattern:gray pattern that left & right is black and
center is white signal(Refer below picture)
(Model:60, Pattern:28 at MSPG925L)
(c) Adjust by commanding AUTO_COLOR_ADJUST
(0xF1) 0x00 0x02 instruction.
2) Confirmation
(a) We confirm whether “0x8C” address of EEPROM
“0xB4” is “0xAA” or not.
(b) If “0x8C” address of EEPROM “0xB4” isn’t “0xAA”,
we adjust once more.
(c) We can confirm the ADC values from “0x00~0x05”
addresses in a page “0xB4”.
3.3. Function Check
: Check Input and Signal items (cf. work instruction)
(1) TV
(2) AV1 (SCART)
(2) AV1 (SCART)
- Input the SCART-RGB signal and check the display.
(MSPG-925F Model: 232, Pattern;12)
(3) AV2 (CVBS/ S-Video)
(4) H/P Sound Output
(4) H/P Sound Output
* Display and Sound check is executed by Remote control.
ADJUSTMENT INSTRUCTION
( 4 )
f i l ex x x .bi n
( 5 )
( 6 ) ........ OK
- 10 -
4. Total Assembly line process
4.1. Adjustment Preparation
(1) Above 30 minutes Heat-run in RF no signal
(2)15 Pin D-Sub Jack is connected to the signal of Pattern
(2)15 Pin D-Sub Jack is connected to the signal of Pattern
Generator.
4.2. Confirm color coordinate of AV2
(1) Set Input to AV2.
(2) Input signal : CVBS, PAL @ 50Hz
(2) Input signal : CVBS, PAL @ 50Hz
Full White 216/255 gray level (85 IRE, Model : 202
Patter : 78 at MSPG925L)
Patter : 78 at MSPG925L)
(3) Set PSM : Dynamic / CSM : Cool
(4) Confirm whether x=0.276±0.03, y=0.283±0.03, y≥0.250 or
(4) Confirm whether x=0.276±0.03, y=0.283±0.03, y≥0.250 or
not.
4.3. Other quality
(1) Confirm that each items satisfy under standard condition
that was written product spec..
(2) Confirm Video and Sound at each source.
1) AV
(a) Select input AV1 and check whether picture is
displayed or not. - Check whether SCART output
picture is displayed or not.
picture is displayed or not.
(b) Select input AV2(S-video) and check whether picture
is displayed or not.
(c) Select input AV2(CVBS) and check whether picture
is displayed or not.
2) TV : Select input TV and check below item.(In Gumi factory)
C05(E05) – Check TELETEXT Function (Applicable
to the model that has Teletext code set-
up item in Product spec)
up item in Product spec)
C07(E07) – Check Nicam DUAL
C52 (E52) – Check Nicam Stereo
* Refer to “6.Preset CH information”
C52 (E52) – Check Nicam Stereo
* Refer to “6.Preset CH information”
4.4. Power consumption confirmation
(1) Check if Power LED Color and Power Consumption
operate as standard.
(2) Measurement Condition : 230V~, 50Hz (Analog)
(3) Confirm Stand-by operation.
(3) Confirm Stand-by operation.
4.5. Outgoing condition Configuration
(1) After all function test, press IN-STOP Key by Service
Remote control. And make outgoing condition.
(2) When pressing IN-STOP key by service remote control,
LED is power off in a little time and then automatically LED
is changed the stand-by status(RED Color).(Must not AC
power OFF at that time)
is changed the stand-by status(RED Color).(Must not AC
power OFF at that time)
4.6. Option data setting (SVC OSD setting)
- Tool Option
20LS5R-ZA
REMARK
8 9 6
Resolution
0
Module
0
TV
1
SCART
1
AV2
1
COMPONENT
0
PC-RGB
0
DVI
0
HDMI
0
- Area Option [ A B ]
(A) 0 : FACTORY MODE OFF
1 : FACTORY MODE ON
[Caution] FACTORY MODE ON only used in factory.
(B) 0: default Option setting.
1~4: The other Area Option setting.(Reserved)
[Caution] Initial Setting of Area Option is [1 0] in production line.
After IN-STOP, Area Option will change [0 0].
If Area Option isn
’t 00 after IN-STOP, must change to 00. (Using
G
key on R/C)
No
Item
Condition
Remark
OPTION 1 [6]
1
200PR
0
0 : 200 PR Off
1 : 200 PR On
2
ACMS
1
0 : ACMS Off
1 : ACMS On
3
TEXT
1
0 : TOP
1 : FLOF
4
CH+AU
0
0 : Except below area
1 : China, Australia
5
BOOSTER
0
OPTION 2 [2]
1
SYS
0
0 : BG/I/DK/L
1 : BG/I/DK/M
2
A2 ST
1
Acting FM-ST after checking Nicam
3
I II SAVE
0
0 : I II SAVE Off
1 : I II SAVE On
4
HDEV
0
0 : Except below area
1 : China
5
V-Curve
0
0 : Turbo Volume Off
1 : Turbo Volume On
6
MONO
0
OPTION 3 [2]
1
KEY-TYPE
2
2 : 8Key
OPTION 4 [3]
1
Default Lang
3
2
Lang
0
Chesky Dansk Deutsch English Español Français
Italiano Magyar Nederlands Norsk Polski Português
ΡУССКИЙ Romaneste Suomi Svenska
3
T- Lang
0
AUSTRIA NORWAY BULGARIA POLAND
CROATIA PORTUGAL CZECH RUMANIA
DENMARK RUSSIA ENGLAND SERBIA
ESTONIA SLOVAKIA FINLAND SLOVENIA
FRANCE SPAIN GERMANY SWEDEN
GREECE SWITZERLAND HUNGARY
TURKEY ITALY ARAB LATVIA HEBREW
NETHERLANDS Others
OPTION 5 [9]
1
2HR-OFF
1
0 : 2 Hour off option -OFF
1 : 2 Hour off option -ON
2
TV-LINK-TUNER
0
3
FACTORY-MODE
0
0 : EEPROM Write Protection On
1 : EEPROM Write Protection Off
4
CHANNEL-MUTE
1
0 : Channel Mute Off
1 : Channel Mute On
5. Adjustment Command
5.1. Adjustment Command (LENGTH=84)
5.2. EEPROM DATA READ
(1) Signal Table
(2) Command Set
Purpose : To read the appointment Address of E2PROM by
128(80h)-byte
5.3. E
2
PROM Data Write
(1) Signal Table
LEN
: 84h+Bytes
CMD
: 8Eh
ADH
: E
2
PROM Slave Address(A0,A2,A4,A6,A8),
Not 00h(Reserved by BufferToEEPROM)
ADL
: E2PROM Sub Address(00~FF)
Data
: Write data
(2) Command Set
<Purpose>
1) EDID write : 16-byte by 16-byte, 8 order (128-byte) write
(TO “00 – 7F” of “EEPROM Page A4”)
2)FOS Default write : 16-mode data (HFh, HFl, VF, STD,
HP, VP, Clk, ClkPh, PhFine) write
3) Random Data write : write the appointment Address of
E2PROM
5.4. VRAM Read
1) Send CMD(70h) to read Video RAM value from MICOM
And save its value to 128-Bytes Buffer(Common Buffer for
the use of EDID).
the use of EDID).
2) Delay 500ms(Time to wait and read vZideo RAM from
MICOM)
3) Be transmitted the contents of MICOM’s 128-bytes Buffer to
PC.(128th Data is the CheckSum of 127-bytes data : That’s
OK if the value of adding 128-bytes Data is Zero)
OK if the value of adding 128-bytes Data is Zero)
- 11 -
VAL
00
00
data
00
00 – 100
00 – 100
00 – 100
00 – 100
00 – FF
00 – FF
00 – FF
00 – 7F
00 – 7F
00 – 7F
00 – 3F
00 - 64
02
0, 1, 2, 3
00
00
Description
EEPROM all clear
EEPROM Read
EEPROM Write by
some values
Color Save
They have different
range each mode,
FOS Adjustment
Drive adjustment
Offset adjustment
Bright adjustment
Luminance adjustment
Auto COLOR
Adjustment
0: COOL
1: NORMAL
2: WARM
3: USER
00: Factory mode Off
FF:Factory mode On
0 : TV
1 : AV1
2 : AV2
3 : Component
4 : RGB
5 : DVI
No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
Adjustment Contents
EEPROM ALL INIT.
EEPROM Read
EEPROM Write
COLOR SAVE
(R/G/B cutoff, Drive,
Contrast, Bright)
H POSITION
V POSITION
CLOCK
PHASE
R DRIVE
G DRIVE
B DRIVE
R CUTOFF
G CUTOFF
B CUTOFF
BRIGHT
CONTRAST
AUTO_COLOR_
ADJUST
CHANGE_COLOR_
TEMP
FACTORY_
DEFAULT
AUTO_
INPUTCHANGE
CMD(hex)
E4
E7
E8
EB
20
30
90
92
16
18
1A
80
82
84
10
12
F1
F2
F3
F4
ADR
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
ST OP
A
A
A
A
A
50
6E
03
CMD
A DH
84+ n
ST ART
A DL
A
CS
A
A
Data_1
A
. . .
Data_n
A
No.
1
2
Adjustment contents
EEPROM WRITE
CMD(hex)
E8
LEN
94
84+n
Details
16-Byte Write
n-byte Write
ADL(hex)
0
80
0
80
0
80
0
80
Details
0-Page 0~7F Read
0-Page 80~FF Read
1-Page 0~7F Read
1-Page 80~FF Read
2-Page 0~7F Read
2-Page 80~FF Read
3-Page 0~7F Read
3-Page 80~FF Read
Adjustment Contents
EEPROM READ
CMD(hex)
E7
ADR(hex)
A0
A2
A4
A6
ST OP
A
A D1
6F
ST OP
ST ART
A
A
A
Dn
A
A
A 50
6E
03
CMD
A DH
84
ST ART
A
A
A DL
A
CS
128 Bytes
Delay 100ms
A
CS
A Data1
6F
ST ART
. . .
Data12
ST OP
NA
ST OP
A
A
A
A
A 50
6E
03
70
00
84
ST ART
A
A
00
A
CS
PR 0
PR 1
PR 2
PR 3
PR 4
PR 5
PR 6
PR 7
PR 8
PR 9
PR 10
PR 11
PR 12
PR 13
PR 14
PR 15
PR 16
PR 17
PR 18
PR 19
PR 20
PR 21
PR 22
PR 23
PR 24
PR 25
PR 26
PR 27
PR 28
PR 29
PR 30
PR 31
PR 32
PR 33
PR 34
PR 35
PR36
PR 37
PR 38
PR 39
PR 40
PR 41
C 34
C 01
C 05
S 11
C 04
C 07
C 50
C 52
C 41
C 63
C 02
S 07
C 36
C 05
C 51
C41
C 05
C 04
C 31
C 21
C 69
C 08
C 45
C 25
C 07
S 24
C 39
C 29
C 01
C 34
C 04
S 11
C 04
C 50
C 52
C 36
C 05
C 25
C 40
C 01
C 10
C 36
FLOF
FLOF
FLOF
FLOF
FLOF
TOP
FLOF
FLOF
FLOF
FLOF
FLOF
FLOF
FLOF
FLOF
FLOF
DUAL
MONO
STEREO
MONO
DUAL
DUAL
MONO
STEREO
STEREO
STEREO
MONO
DUAL
STEREO
DUAL
STEREO
STEREO
MONO
STEREO
DUAL
STEREO
MONO
MONO
DUAL
MONO
STEREO
STEREO
STEREO
STEREO
MONO
STEREO
MONO
DUAL
MONO
MONO
MONO
STEREO
NICAM
NICAM
NICAM
NICAM
NICAM
NICAM
NICAM
NICAM
A2
A2
NICAM
A2
NICAM
NICAM
NICAM
NICAM
NICAM
DIGITAL
PHILIPS
PHILIPS
FUBK
PHILIPS
Crosshatch
RGB, WHITE
MATRIX C/B
PHILIPS
Crosshatch
Crosshatch
PHILIPS
Colorbar
Crosshatch+Circle
DIGITAL
Crosshatch
DIGITAL
Crosshatch
Colorbar
DIGITAL
DIGITAL
DIGITAL
DIGITAL
Crosshatch(16:9)
Monoscope
Monoscope
SMPTE
Colorbar
White Raster
White Raster
Crosshatch+Circle
Colorbar
Philips
Color Bar (2)
Monoscope
Color Bar(2)
Color Bar
Philips
SECAM-DK
PAL-BG
PAL-BG
PAL-I
SECAM-BG
PAL-BG
PAL-BG
PAL-BG
PAL-I
PAL-I
PAL-L
PAL-L
PAL-L
PAL-B
PAL-G
PAL-I
SECAM-D
PAL-B
PAL-G
PAL-I
PAL-I
NTSC-M
SECAM-L
SECAM-L
PAL-B
NTSC-M
PAL-B
PAL-BG
PAL-BG
PAL-DK
PAL-BG
PAL-I
PAL-BG
SECAM-DK
PAL-BG
SECAM-L
PAL-B/G
PAL-B/G
PAL-B/G
SECAM D/K
PAL-D/K
PAL-D/K
LGE Gumi
LGEMA
LGEWA
LGENT
1Khz
Ger, Stereo 1K,3Khz
Sweep
400Hz
Sweep
CHI Dual 1K, 3Khz
575.25
45.25
175.25
231.25
62.25
189.25
703.25
719.25
631.25
807.25
55.75
152.75
591.25
175.25
711.25
631.25
93.25
62.25
551.25
471.25
855.25
687.25
200.25
663.25
189.25
327.25
615.25
535.25
45.25
575.25
175.25
231.25
62.25
703.25
719.25
591.25
175.25
503.25
623.25
49.75
200.25
695.25
- 12 -
6. Preset CH information
PIF[MHz]
SYSTEM
VIDEO
TXT
NAME
SOUND
System
Mode
Click on the first or last page to see other 17LS5R (CHASSIS:LP68A) service manuals if exist.