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LQ190E1LX31

Sharp LQ190E1LX31 Service manual

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REVISION HISTORY
Revision Date Prepared Checked Approved Summary
A
1st issue.
T.Ito
F.Yamada
F.Yamada
Change manufacture to SHARP.
RoHS standard conformed pro duc t.
Change manufacture to SHARP.
④
01A
02A
Aug. 11,2004
Feb. 8,2005 E.Nitto
K. Nukiyama K.Tanaka
K.Yonemura
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C C
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TITLE
20050420 S.Fukutoku T.Ito Revised P3,19,23,26,31,33-36
05
DATE DOCUMENT CONTROL SECTION
20050208 E.Nitto K.Yonem ura T.Ito Add revision 02A,reviced P31
04 03
20041125 E.Nitto T.Ito Reviced P8,19,37
20040826 K.Nukiyama T. Ito Revised P2,22,27
02
EDIT
DATE
DESIG.
DESIG. DESCRIPTION
20040811 K.Nukiyama K.Yonemura K.Tanaka
CHECK
1
CHECK
APPR.
DRAW. NO.
ARP CORPOR ATION
SH
SHARP CORPORATIO
ARP CORPOR ATIONARP CORPOR ATIO
SHSH
LQ190E1LX31
（ FLC48SXC8V-12）
LD17426
ＳＨＥＥＴ
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TABLE OF CONTENTS
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1．APPLICATIONS 2．PRODUCT NAME AND MODEL NUMBER
2-1.Product Name 2-2.Model Number
3．OVERVIEW
4．CONFIGURATION
5．MECHANICAL SPECIFICATIONS
6．ABSOLUTE MAXIMUM RATING
7．RECOMMENDED OPERATING CONDITIONS
8．ELECTRICAL SPECIFICATIONS
9．OPTICAL SPECIFICATIONS
10．INTERFACE SPECIFICATIONS
10-1.Signal Descriptions 10-2.LVDS Data Assignment 10-3. Color Data Assignment 10-4. Input Signal Timing 10-5. Correspondence between Data and Display Position 10-6.Power Supply Sequence
11．BACK-LIGHT SPECIFI CATIONS
11-1.Pin configuration for Back-light 11-2.Life
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11-3.Lamp assembly set
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12．APPEARANCE SPECIFICATIONS
12-1.Appearance 12-2.Dot defects
13．ENVIRONMENTAL SPECIFICATIONS
14．INDICATIONS 15．P ACKAGING
15-1.Packing Specifications 15-2.Packing Method
16．WARRANTY
17．PRECAUTIONS
18．PRECAUTIONS FOR USE
19．MISCELLANEOUS
3
3 3 3
3 3 4 5 5 6
8 12 12
13 15 16 18 18
19 19 19 19
20 20 21
22 23 23
23 23
29 29
36 36
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TITLE
DATE DOCUMENT CONTROL SECTION
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DESIG.
DATE
DESIG. DESCRIPTION
CHECK
CHECK
APPR.
DRAW. NO.
SHARP CORPO R ATION
SHARP CORPO R ATIO
SHARP CORPO R ATIONSHARP CORPO R ATIO
LQ190E1LX31
（ FLC48SXC8V-12）
LD17426
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1. APPLICA TION
1. APPLICA TION
1. APPLICA TION1. APPLICA TION
This specification is applied to the 19-inch SXGA supported TFT-LCD module.
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2222．．．． PRODUCT NAME AND MODEL NUMBER
PRODUCT NAME AND MODEL NUMBER
PRODUCT NAME AND MODEL NUMBER PRODUCT NAME AND MODEL NUMBER
2–1 Product Name : LCD Modul
2–2 Model Name
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3. OVERVIEW
3. OVERVIEW
3. OVERVIEW3. OVERVIEW
This LCD module has a TFT active matrix type liquid crystal panel 1280x1024 pixels, and diagonal size of 48cm(19-inch). This LCD has a LVDS dual interface and can display 16,777,216 colors.
2
○
This module includes Fast Response time Driving circuit.
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The power supply of this LCD module is +5V DC ｖｏｌｔａｇｅ.
: LQ190E1LX31
LCD Moduleeee
LCD ModulLCD Modul
（FLC48SXC8V-12）
4. CONFIGURATION
4. CONFIGURATION
4. CONFIGURATION4. CONFIGURATION
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 
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This LCD module consists of a color TFT-LCD panel that is mounted with TFT driver ICs ａｎｄ a cold-cathode fluorescent tube back-light. The inverter for the back-light is not included. Figure 4-1 shows a block diagram of this LCD module.
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DATE DOCUMENT CONTROL SECTION
20050420 The model name was changed.
05 02 20040826 Correction of overview.
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DATE
DESIG.
DESIG. DESCRIPTION
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APPR.
TITLE
DRAW. NO.
SHARP CORPO R ATION
SHARP CORPO R ATIO
SHARP CORPO R ATIONSHARP CORPO R ATIO
LQ190E1LX31
（ FLC48SXC8V-12）
LD17426
ＳＨＥＥＴ
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Input signals (L VDS Dual) RXO0+
A
B
C C
RXO0- RXO1+ RXO1­RXO2+ RXO2- RXO3+ RXO3- RXOC+ RXOC- PD SEL LVDS
5. MECHANICAL SPECIFICATIONS
5. MECHANICAL SPECIFICATIONS
5. MECHANICAL SPECIFICATIONS5. MECHANICAL SPECIFICATIONS
Ta ble 5-1 shows the mechanical specifications of this LCD module.
Table 5-1 Mechanical Specifications
RXE0+ RXE0- RXE1+ RXE1­RXE2+ RXE2- RXE3+ RXE3- RXEC+ RXEC-
Vcc
(+5V)
Power supply
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LVDS
Receiver
DC/DC converter
Bias voltage
Supply circuit
(Separate)
Inverter circuit
Internal
Circuit
Figure 4-1 Block Diagram
RSDS I/F
Gate Driver
Data driver
TFT color LCD panel 1280x3(RGB)x1024
Back-light (6 CCFL)
Item Specifications Unit Remark
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Dimensions
Display Resolution
Display Dot Area Dot Pitch
Ｐｉｘｅｌ Aspect Ratio
Weight 3,200 MAX. FG-SG Short circuit —
DATE DOCUMENT CONTROL SECTION
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DATE
DESIG.
DESIG. DESCRIPTION
CHECK
1
404.2x330x22(TYP.)
(1280x3)x1024
376.32x301.056 (0.098x3)x0.294 1:1 —
CHECK
APPR.
mm
—
mm mm
ｇ
Edge type back-light is used. (CCFLx6)
Without inverter. For details on dimensions,
see dimensional outline drawing. (Figure 20-1,2)
Excluding inverter.
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DRAW. NO.
SHARP CORPO R ATION
SHARP CORPO R ATIO
SHARP CORPO R ATIONSHARP CORPO R ATIO
LQ190E1LX31
（ FLC48SXC8V-12）
LD17426
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6. ABSOLUTE MAXIMUM RATING
6. ABSOLUTE MAXIMUM RATING
6. ABSOLUTE MAXIMUM RATING6. ABSOLUTE MAXIMUM RATING
Table 6- 1 sh ows the absolute maximum rating of this LCD module.
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Table 6-1 Absolute Maximum Rating
Item Symbol Condition MIN. TYP. MAX. Unit
Supply Voltage VCC Ta=25ºC –0.3 — 6.0 V
Input Signal Voltage (LVDS signal, PD,SEL LVDS )
7. RECOMMENDED OPERATING CONDITIONS
7. RECOMMENDED OPERATING CONDITIONS
7. RECOMMENDED OPERATING CONDITIONS7. RECOMMENDED OPERATING CONDITIONS
Ta ble 7-1 shows the recommended operating conditions of this LCD module.
Ta ble 7-1 Recommen de d Operating Conditions
Ta=25ºC –0.3 — 3.6 V
V
IN
Item Symbol MIN. TYP. MAX. Unit
C C
D
Supply Voltage(Logi c) V Ripple Voltage V
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CC
CC
V
RP
4.75 — 5.25 V — — 0.1 V
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DATE DOCUMENT CONTROL SECTION
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DATE
DESIG.
DESIG. DESCRIPTION
CHECK
1
CHECK
APPR.
TITLE
DRAW. NO.
SHARP CORPO R ATION
SHARP CORPO R ATIO
SHARP CORPO R ATIONSHARP CORPO R ATIO
LQ190E1LX31
（ FLC48SXC8V-12）
LD17426
ＳＨＥＥＴ
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8. ELECTRICAL SPECIFICATIONS
8. ELECTRICAL SPECIFICATIONS
8. ELECTRICAL SPECIFICATIONS8. ELECTRICAL SPECIFICATIONS
Table 8-1 shows the electrical specifications of this LCD module. Figure 8-1 shows the
A
measurement circuit. Figure 8-2(A) shows the equivalent circuit of the logic signal input area. Figure 8-2(B) shows the equivalent circuit of the supply voltage Input area.
Table 8-1 Electrical Specifications
Item Symbol Condition MIN. TYP. MAX. Unit
Differential-input Voltage (Hign)
V
IH
— — 100 mV
Remark
VCM=+1.2V
Differential-input Voltage (Low)
B
Input V oltage (High) V
V
IL
IH
Input Voltage (Low) VIL 0 — 0.8 V
–100 — — mV
2.0 — 3.3 V
PD
SEL LVDS
VCC=+5.0±0.25V
=0V
V
Supply Current I
CC
SS
DCLK=54MHz
— 900 1500 mA *1
Ta=25º C
Supply Rush Curre nt I
SCC
— — 3.5 A
*2
Supply Rush Curre nt
C C
Duration(1.5A excess)
T
SCC
— — 1.0 ms
ＢＡＣＫ
CCFL T urn on Voltage
V
fL=50kHz,Ta=25ºC — 1400 1600
S
fL=50kHz,Ta=0ºC — 1500 1600
Vrms
ＬＩＧＨＴ
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Lighting Voltage V
Lighting Freque ncy f
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(*3)
T u be C urrent I
fL=50kHz
L
L
L
=7mA
I
L
VL=750Vrms 40 50 60 kHz fL=50kHz
=750Vrms
V
L
— 750 — Vrms
4 7 8
mArms
*3
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(*1) Typical current situation : Color bar pattern. Vcc=5.0V
Maximum current situation : Whit e pattern. Vcc=4.75V Without rush curre nt.
(*2) These items prescribe the rush current for starting internal DC/DC.
Charging current to capacitors of Vcc is not prescribed.
(*3) T u be current (I
) shows the value of the current that is consumed at one lamp.
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This LCD module has 6 lamp s. Each 3 lamps are placed at upper side and lower side of the display.
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3 lamps is connected in parallel. Each low voltage terminals are connected with separate cable to Back-light conn ecter.
DATE DOCUMENT CONTROL SECTION
TITLE
DRAW. NO.
EDIT
DESIG.
DATE
DESIG. DESCRIPTION
CHECK
CHECK
APPR.
ARP CORPOR ATION
SH
SHARP CORPORATIO
ARP CORPOR ATIONARP CORPOR ATIO
SHSH
LQ190E1LX31
（ FLC48SXC8V-12）
LD17426
ＳＨＥＥＴ
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CUST.
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V
Measurement circuit is based on Figure 8-1.
+5V
A
GND
AC
B
GND
Input signals (L VDS Dual)
RXO0+ RXO0- RXO1+ RXO1­RXO2+ RXO2- RXO3+
C C
RXO3- RXOC+ RXOC-
D
RXE0+ RXE0- RXE1+ RXE1­RXE2+ RXE2- RXE3+ RXE3- RXEC+ RXEC-
SEL LVDS
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Vs
PD
CL
Icc
Vcc
DC/DC Converter
Ｉ
L
Figure 8-1 Measurement circuit
Differential
Input
＋
−
+3.3V
10kΩ(Pull-up)
50kΩ (Pull-down)
0V
Figure 8-2(A) Equivalent circuit of logic signal Input
100Ω
Logic Analog Driver
Back-light
T-CON
LCD module
Internal
circuit
D
FB
CHECK
Fuse
FG（Frame ground）
Figure 8-2(B) Equivalent circuit of power supply
CHECK
cc
GND
DATE
DESIG. DESCRIPTION
1
DATE DOCUMENT CONTROL SECTION
EDIT
DESIG.
FB
APPR.
100pF
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DRAW. NO.
SHARP CORPO R ATION
SHARP CORPO R ATIO
SHARP CORPO R ATIONSHARP CORPO R ATIO
10μF
LQ190E1LX31
（ FLC48SXC8V-12）
LD17426
Internal Circuit
ＳＨＥＥＴ
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9. OPTICAL SPECIFICATIONS
9. OPTICAL SPECIFICATIONS
9. OPTICAL SPECIFICATIONS9. OPTICAL SPECIFICATIONS
Table 9-1 shows the optical specifications of this LCD module.
A
Table 9-1 Optical Specifications
Ta=25˚C，Signal timing=Typ.
Item Symbol Condition
MIN. TYP. MAX.
Horizontal
Visual Angle
Contrast Ratio CR
B
Ver ti ca l
All Direction
Response Time(Rise+Fall) (B→W→B)
Response Time (Rise or Fall) (All gray scale)
Brightness
Brightness Uniformity
C C
W
Chromaticity
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R G B
θ
Ｌ，Ｒ
θ
θ
Ｕ，Ｄ
θ
τ
rise +
τ
fall
τ
avg
Ｉ
△Ｉ
ｘ
ｙ
（ｘ，ｙ）
θ
=0°
Ｕ，Ｄ
CR≧10
Ｌ，Ｒ
=0°
— 80 — deg
θ
Ｌ，Ｒ，Ｕ，Ｄ
θ
Ｌ，Ｒ，
=0°
θ
Ｕ，Ｄ
Ｌ，Ｒ，
Ｕ，Ｄ
=0°
Ta= 25˚C
Ta= 0
Ta= 25
=0°
=5V
ＣＣ
=7mA
=0°
θ
Ｌ，Ｒ，Ｕ，Ｄ
Ｖ Ｉ
Ｌ
fL=50kHz R*,G*,B* Signal
=All “H”
Red
Green
Blue
˚C
ºC
85 89 — deg
85 89 — deg
400
○
950
— —
3
600
— 12 — ms
— 24 — ms
— 8 — ms
3
320
○
360
450 — cd/m
70 — —
0.283 0.313 0.343
0.299 0.329 0.359
40 , 0.349 ) Typ.
( 0.6
3
○
( 0.645 , 0.347 ) Typ.
83 , 0.598 ) Typ.
( 0.2
3
○
( 0.279 , 0.597 ) Typ.
( 0.1
42 , 0.071 ) Typ.
3
○
( 0.142 , 0.068 ) Typ.
Unit
％
—
—
2
Note
White/ Black
Average of Response
*2
Time,
White *1
(1)(2) (3)(5) (6)
(1)(2) (3)(5)
(1) (4) (5)
(1)(5)
(1)(5) (7)
(1) (5)
Specifications Remark
LCD Panel Type TFT Color
D
Display Mode Normaly Black
D
Wide Viewing Angle Technology MVA-Premium
Optimum Viewing Angle — (symmentry) (6)
Display Color 16,777,216 (8-bit color)
Color of non-display area Black
Surface Treatment Glare (Hardness: 2H)
(*1) Value at 15～20 minutes after lighting on.
(*2) In case of applying FLCB-12, (Fast Response Time Driving Circuit)
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(Note) ・CS-1000 (MINOLTA Co., Ltd.) Field=1°, L=500mm
・Back-light current = 7mA, Dark room condition(1 lux or less)
Be carefull that the luminance meter, which you use, may not be able to get correct brightenss
if it’s no set correctly.
DATE DOCUMENT CONTROL SECTION
03 20041125 Change optical spec.
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DESIG.
DATE
DESIG. DESCRIPTION
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APPR.
TITLE
DRAW. NO.
SHARP CORPO
SHARP CORPORATIO
SHARP CORPORSHARP CORPO
LQ190E1LX31
（FLC48SXC8V-12）
LD17426
ATION
ATIONATIO
CUST.
ＳＨＥＥＴ
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Note 1) Definition of Viewing Angle (1)
Based on Figure 9-1.
θ
U
*0°(Front)
θ
θ
Ｄ
Ｒ
X+
Right (3 o’clock Direction)
A
Y+
Top (12 o’clock Direction)
θ
Ｌ
LCD module
B
X-
Left (9 o’clock Direction)
＊→ θ
＝０°，θD＝０°，θL＝０°，θR＝０°
U
Y-
Bottom (6 o’clock Direction)
Figure 9-1 Definition of Viewing Angle (1)
Note 2) Definition of Viewing Angle (2)
C C
Based on Figure 9-2.
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Display Surface
Display Surface
θ
θ
L,R,U,D
θ
MIN
TYP
θ
MAX
=0°
D
Figure 9-2 Definition of Viewing Angle (2)
Note 3) Definition of Contrast Ratio (CR)
L
W
White
Determined by Formula (1) based on Figure 9-3 Voltage-Brightness characteristics.
ＬW (Brightness at white)
= ……(1)
Ｌ
(Brightness at black)
Ｂ
Brightness ［L］
L
B
0
0
Black
Panel Drive Voltage ［Ｖ］
Figure 9-3 Voltage-Brightness Characteristics
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DATE DOCUMENT CONTROL SECTION
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DESIG.
DATE
DESIG. DESCRIPTION
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CHECK
APPR.
SHARP CORPO
SHARP CORPORATIO
SHARP CORPORSHARP CORPO
1
LQ190E1LX31
（FLC48SXC8V-12）
LD17426
ATION
ATIONATIO
CUST.
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p
A
B
Note 4) Definition of Response Time
Based on Figure 9-4.
100%
Relative Brightnes
0%
τ
0%
rise
1 frame
90%
90%
10%
τ
fall
Note 5) Contrast Ratio and Response Measurement System
C C
D
Based on Figure 9-5.
-
Z
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-
X
Drive and Measurement System
Figure 9-5 Contrast Ratio and Response Time Measurement System
ON Response Time
Figure 9-4 Definition of Response Time
+
Y
-
Y
OFF Res
onse Time
+
X
+
Z
Brightness Meter or
θ
Luminance colorimeter (with luminosity correction function)
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DATE
DESIG.
DESIG. DESCRIPTION
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1
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APPR.
TITLE
DRAW. NO.
SHARP CORPO
SHARP CORPORATIO
SHARP CORPORSHARP CORPO
LQ190E1LX31
（FLC48SXC8V-12）
LD17426
ATION
ATIONATIO
CUST.
ＳＨＥＥＴ
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