Character Module User Manual ERM802-1 Series
Contents
1. MAX UNIT Power Supply for LCM VDD VSS 4 8 5 0 5 2 V Input Voltage VIL L Level 0 2 1 V VIH H Level VDD 1 0 VDD V LCD Driving Voltage VDD VO 5 4 8 5 0 5 2 V Supply Current for LCM IDD VDD 5 0V 1500 0 uA Supply Current for Backlight ILED 75 mA Page 9 of 20 URL www lcd china com Document Name ERM802 1 Series Manual Rev1 0 V EastRising Character Module User Manual ERM802 1 Series www lcd china com 5 INSPECTION CRITERIA 5 1 Acceptable Quality Level Return to CONTENTS Each lot should satisfy the quality level defined as follows PARTITION AQL DEFINITION A Major 0 4 Functional defective as product B Minor 1 5 Satisfy all functions as product but not satisfy cosmetic stanard 5 2 Definition of Lot One lot means the delivery quantity to customer at one time 5 3 Condition of Cosmetic Inspection gt gt Return to CONTENTS INSPECTION AND TEST FUNCTION TEST APPEARANCE INSPECTION PACKING SPECIFICTION INSPECTION CONDITION Put under the lamp 20wjA2 at a distance 100mm from Tilt upright 45 degree by the front back to inspect LCD appearance AQL INSPECTION LEVEL SAMPLING METHOD MIL STD 105D SAMPLING PLAN SINGLE MAJOR DEFECT 0 65 MAJOR MINOR DEFECT 2 5 MINOR GENERAL LEVEL II NORMAL URL www lcd china com Document Name ERM802 1 Series Manual Rev1 0 Page 10 of 20 V EastRising Character Module User Manual ERM802 1 Series ww2. V EastRising Character Module User Manual ERM802 1 Series www l cd china com No Defect Judgment Criterion Partition 3 Rubbing line Not to be noticeable 4 Allowable density Above defects should be separated more than 10mm each other Minor 5 Rainbow Not to be noticeable Minor 6 Dot size To be 95 105 of the dot size Typ in drawing Minor Partial defects of each dot ex pin hole should be treated as spot see Screen Cosmetic Criteria Operating No 1 7 Brightness Brightness Uniformity must be BMAX BMIN 2 Minor only back lit BMAX Max value by measure in 5 points Module BMIN Min value by measure in 5 points Divide active area into 4 vertically and horizontally Measure 5 points shown in the following figure 8 Contrast Contrast Uniformity must be BmAX BMIN 2 Minor Uniformity Measure 5 points shown in the following figure Dashed lines divide active area into 4 vertically and horizontally Measuring points are located at the inter sections of dashed line l l l Note BMAX Max value by measure in 5 points BMIN Min value by measure in 5 points O Measuring points in 10mm Note 1 2 3 Size d long length short length 2 The limit samples for each item have priority Complexed defects are defined item by item but if the number of defects is defined in above table the total number should not exceed 10 URL www lcd china com Document Name ERM8
3. l z g amp O 0L 8 T ejeq e1meuBis pe o4ddy uonip3 siu JO seDed Iv Document Name ERM802 1 Series Manual Rev1 0 Page 7 of 20 URL www lcd china com V EastRising Character Module User Manual ERM802 1 Series www lcd china com 4 ELECTRICAL SPEC 4 1 Pin Configuration VII ONTENTS Pin Pin m No Name Descriptions 1 VSS Ground 2 VDD Power supply for logic 3 VO Operating voltage for LCD 4 RS H Data signal L Instruction signal 5 R W H Read mode L Write mode 6 E Enable signal 7 DBO Data bit 0 8 DB1 Data bit 1 9 DB2 Data bit 2 10 DB3 Data bit 3 11 DB4 Data bit 4 12 DB5 Data bit 5 13 DB6 Data bit 6 14 DB7 Data bit 7 15 LED_A Backlight Anode If ERM802SN 1 No connection 16 LED_K Backlight Cathode If ERM802SN 1 No connection URL www lcd china com Document Name ERM802 1 Series Manual Rev1 0 Page 8 of 20 EastRising Character Module User Manual ERM802 1 Series www lcd china com 4 2 Absolute Maximum Ratings gt gt Return to CONTENTS ITEM SYMBOL MIN TYP MAX UNIT Power Supply for Logic VDD VSS 0 3 7 0 V Power Supply for LCD VLCD VDD 15 VDD 0 3 V Input Voltage VIN 0 3 VDD 0 3 V Supply Current for Backlight ILED 125 mA gt gt Return to CONTENTS 4 3 Electrical Characteristics ITEM SYMBOL CONDITION MIN TYP
4. 02 1 Series Manual Rev1 0 Page 15 of 20 V EastRising Character Module User Manual ERM802 1 Series www lcd china com 4 In case of concentration even the spots or the lines of disregarded size should not be allowed Following three situations Should be treated as concentration 6 7 or over defects in circle of Z 5mm 10 or over defects in circle of 10mm 20 or over defects in circle of 20mm PRECAUTIONS FOR USING 6 1 Handling Precautions gt gt Return to CONTENTS o This device is susceptible to Electro Static Discharge ESD damage Observe Anti Static precautions EastRising display panel is made of glass Do not subject it to a mechanical shock by dropping it or impact If EastRising display panel is damaged and the liquid crystal substance leaks out be sure not to get any in your mouth If the substance contacts your skin or clothes wash it off using soap and water Do not apply excessive force to the EastRising display surface or the adjoining areas since this may cause the color tone to vary The polarizer covering the EastRising display surface of the LCD module is soft and easily scratched Handle this polarizer carefully If EastRising display surface becomes contaminated breathe on the surface and gently wipe it with a soft dry cloth If it is heavily contaminated moisten cloth with one of the following Isopropyl or alcohol Solvents other than those above
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6. Pin Configuration L L L L LL 08 4 2 Absolute Maximum Ratings casos sona N L L L L LLL 09 4 3 Electrical Characteristics e wee err We LLL 09 5 INSPECTION CRITERIA 10 5 1 Acceptable Quality Level L 10 5 2 Definition Of Fo e o DELL 10 5 3 Condition of Cosmetic Inspection lt e L L L L L L L LL 10 5 4 Module Cosmetic Criteria L nemen rmm dE He 11 5 5 Screen Cosmetic Criteria Non Operating e ssec mim Rom C L C L L LL 13 5 6 Screen Cosmetic Criteria Operating erasa mb L L L L LL 14 6 PRECAUTIONS FOR USING 16 6 1 Handling Precautions DA See eels bee s L L LLL 16 6 2 Power Supply Precautions e S eee C L C L L RI L LL 17 6 3 Operating Precautions C L Cece L C L LL 17 6 4 Mechanical Environmental Precautions L LL 17 6 5 Storage Precautions seer L L L L L My LLL 17 B OOIllBig e eee ER e ARR E RRR KRA a RRR RR RR KRK REE 17 URL www lcd china com Document Name ERM802 1 Series Manual Rev1 0 Page 2 of 20 V EastRising Character Module User Manual ERM802 1 Series www lcd china com 7 USING LCD MODULES 18 7 1 Liquid Crystal Display Modules Ao LL 18 7 2 Installing LCD Modules LL 18 7 3 Precaution for Handling LCD Modules lt sss 19 7 4 Elec
7. V EastRising Character Module User Manual ERM802 1 Series www lcd china com ERMS02 1 Series Character Module User Manual EastRising Technology Co Limited Attention A Click CONTENTS list could be directed to the detail page Click Return to CONTENTS could be directed to CONTENTS Page B Some specifications of IC are not listed in this manual Please refer to the IC manual for more details C The drawing for related touch panel schematic drawing demo code is all available please contact with our sales if you need D Please pay more attention to INSPECTION CRITERIA in this manual We assume you already agree with these criterions when you place an order with us No more recommendations REV DESCRIPTION RELEASE DATE 1 0 Preliminary Release July 16 2012 URL www lcd china com Document Name ERM802 1 Series Manual Rev1 0 Page 1 of 20 V EastRising Character Module User Manual ERM802 1 Series www lcd china com 1 ORDERING INFORMATION 04 1 1 ERM802 1 Series Table LL 04 1 2 ERM802 1 Series Image emer nr LL 05 2 ATTIRIBIJIESU u l u E a ESEA 06 2 1 Display Attribute CLE 06 2 2 Mechanical Attribute eoo orem ime L L L L L LLL 06 2 3 Electrical Attribute CE E E 06 2 4 Optical Attribute ee sesece ce pe LLL 06 3 OUTLINE DRAWING c uuu E TT 07 4 ELECTRICAL SPEC cit esae eekencesectecariaien 08 4 1
8. cts on the panel surface the scratches are not to be remarkable 5 Allowable density Above defects should be separated more than 30mm each other Minor 6 Coloration Not to be noticeable coloration in the viewing area of the LCD panels Minor Back lit type should be judged with back lit on state only 7 Contamination Not to be noticeable Minor URL www lcd china com Document Name ERM802 1 Series Manual Rev1 0 Page 13 of 20 V EastRising Character Module User Manual ERM802 1 Series www lcd china com 5 6 Screen Cosmetic Criteria Operating gt gt Return to CONTENTS No Defect Judgment Criterion Partition 1 Spots A Clear Minor Size d mm Acceptable Qty in active area d 0 1 Disregard 0 1 lt d 0 2 6 0 2 lt d 0 3 2 0 3 lt d 0 Note Including pin holes and defective dots which must be within one pixel Size B Unclear Size d mm Acceptable Qty in active area d 0 2 Disregard 0 2 lt d 0 5 6 0 5 lt d 0 7 2 0 7 lt d 0 2 Lines A Clear Minor L 5 0 0 oo 2 0 6 See No 1 w 0 02 0 05 0 1 Note Acceptable Qty in active area L Length mm W Width mm so Disregard B Unclear L 10 0 0 6 2 0 See No 1 w 0 05 0 3 0 5 Clear The shade and size are not changed by Vo Unclear The shade and size are changed by Vo URL www lcd china com Document Name ERM802 1 Series Manual Rev1 0 Page 14 of 20
9. eturn to CONTENTS ITEM STANDARD VALUE UNIT Resolution 8 Characters x 2 Lines Display Connector Pin Header 16 pin Operating Temperature 20 70 Storage Temperature 30 80 c Touch Panel Optional N A Font Chip Optional N A Sunlight Readable No1 No2 Number of sunlight readable is from 1 1 ERM802 1 Series Table of the manual gt gt Return to CONTENTS 2 2 Mechanical Attributes ITEM STANDARD VALUE UNIT Outline Dimension 40 0 W x 35 8 H x 12 0 T MAX mm Visual Area 30 00 W x 14 00 H mm Active Area 25 74 W x 9 48 H mm Character Size 2 78 W x 4 49 H mm Dot Size 0 50x0 50 mm Dot Pitch 0 57 x0 57 mm Net Weight 18 0 15 grams typical g 2 3 Electrical Attributes gt gt Return to CONTENTS ITEM STANDARD VALUE UNIT IC Package COB Controller HD44780 or Equivalent KS0066 or SPLC780 Interface 6800 8 bit Parallel 6800 4 bit Parallel 2 4 Optical Attributes gt gt Return to CONTENTS ITEM STANDARD VALUE UNIT LCD Type Refer to 1 1 ERM802 1 Series Table Backlight Color Refer to 1 1 ERM802 1 Series Table Viewing Direction 6 00 Clock LCD Duty 1 16 Duty LCD Bias 1 5 Bias URL www lcd china com Document Name ERM802 1 Series Manual Rev1 0 Page 6 of 20 WD EastRisi www lcd china com ERM802 1 Series Character Module User Manual gt gt Return to CONTENTS 3 OUTLINE DR
10. g LCD Modules Return to CONTENTS Since EastRising LCM has been assembled and adjusted with a high degree of precision avoid applying excessive shocks to the module or making any alterations or modifications to it Do not alter modify or change the shape of the tab on the metal frame Do not make extra holes on the printed circuit board modify its shape or change the positions of components to be attached Do not damage or modify the pattern writing on the printed circuit board Absolutely do not modify the zebra rubber strip conductive rubber or heat seal connector Except for soldering the interface do not make any alterations or modifications with a soldering iron Do not drop bend or twist EastRising LCM 7 4 Electro Static Discharge Control gt gt Return to CONTENTS Since this module uses a CMOS LSI the same careful attention should be paid to electrostatic discharge as for an ordinary CMOS IC Make certain that you are grounded when handing LCM Before remove LCM from its packing case or incorporating it into a set be sure the module and your body have the same electric potential When soldering the terminal of LCM make certain the AC power source for the soldering iron does not leak When using an electric screwdriver to attach LCM the screwdriver should be of ground potentiality to minimize as much as possible any transmission of electromagnetic waves produced sparks coming from the co
11. l times observe absolute maximum ratings for both logic and LC drivers Note that there is some variance between models Prevent the application of reverse polarity to VDD and VSS however briefly Use aclean power source free from transients Power up conditions are occasionally jolting and may exceed the maximum ratings of EastRising modules The VDD power of EastRising module should also supply the power to all devices that may access the display Don t allow the data bus to be driven when the logic supply to the module is turned off 6 3 Operating Precautions gt gt Return to CONTENTS DO NOT plug or unplug EastRising module when the system is powered up Minimize the cable length between EastRising module and host MPU For models with backlights do not disable the backlight by interrupting the HV line Unload inverters produce voltage extremes that may arc within a cable or at the display Operate EastRising module within the limits of the modules temperature specifications 6 4 Mechanical Environmental Precautions gt gt Return to CONTENTS Improper soldering is the major cause of module difficulty Use of flux cleaner is not recommended as they may seep under the electrometric connection and cause display failure Mount EastRising module so that it is free from torque and mechanical stress Surface of the LCD panel should not be touched or scratched The display front surface is an easily scratched pla
12. me showing the same display patterns the display patterns may remain on the screen as ghost images and a slight contrast irregularity may also appear A normal operating status can be regained by suspending use for some time It should be noted that this phenomenon does not adversely affect performance reliability To minimize the performance degradation of the LCD modules resulting from destruction caused by static electricity etc exercise care to avoid holding the following sections when handling the modules Exposed area of the printed circuit board Terminal electrode sections USING LCD MODULES 7 1 Liquid Crystal Display Modules gt gt Return to CONTENTS EastRising LCD is composed of glass and polarizer Pay attention to the following items when handling Please keep the temperature within specified range for use and storage Polarization degradation bubble generation or polarizer peel off may occur with high temperature and high humidity Do not touch push or rub the exposed polarizers with anything harder than an HB pencil lead glass tweezers etc N hexane is recommended for cleaning the adhesives used to attach front rear polarizers and reflectors made of organic substances which will be damaged by chemicals such as acetone toluene ethanol and isopropylalcohol When EastRising display surface becomes dusty wipe gently with absorbent cotton or other soft material like chamois soaked in petroleum benzin Do not scr
13. mentioned may damage the polarizer Especially do not use the Water Exercise care to minimize corrosion of the electrode Corrosion of the electrodes is accelerated by water droplets moisture condensation or a current flow in a high humidity environment Install the EastRising LCD Module by using the mounting holes When mounting the LCD module make sure it is free of twisting warping and distortion In particular do not forcibly pull or bend the cable or the backlight cable Do not attempt to disassemble or process EastRising LCD module NC terminal should be open Do not connect anything If the logic circuit power is off do not apply the input signals To prevent destruction of the elements by static electricity be careful to maintain an optimum work environment Be sure to ground the body when handling EastRising LCD modules Tools required for assembling such as soldering irons must be properly grounded To reduce the amount of static electricity generated do not conduct assembling and other work under dry conditions The LCD module is coated with a film to protect the display surface Exercise care when peeling off this protective film since static electricity may be generated URL www lcd china com Document Name ERM802 1 Series Manual Rev1 0 Page 16 of 20 V EastRising Character Module User Manual ERM802 1 Series www lcd china com 6 2 Power Supply Precautions gt gt Return to CONTENTS Identify and at al
14. mmutator of the motor As far as possible make the electric potential of your work clothes and that of the work bench the ground potential To reduce the generation of static electricity be careful that the air in the work is not too dried A relative humidity of 50 60 is recommended 7 5 Precaution for Soldering to EastRising LCM gt gt Return to CONTENTS Observe the following when soldering lead wire connector cable and etc to the LCM Soldering iron temperature 280 C 10 C Soldering time 3 4 sec Solder eutectic solder If soldering flux is used be sure to remove any remaining flux after finishing to soldering operation This does not apply in the case of a non halogen type of flux It is recommended that you protect the LCD surface with a cover during soldering to prevent any damage due to flux spatters When soldering the electroluminescent panel and PC board the panel and board should not be detached more than three times This maximum number is determined by the temperature and time conditions mentioned above though there may be some variance depending on the temperature of the soldering iron When remove the electroluminescent panel from the PC board be sure the solder has completely melted the soldered pad on the PC board could be damaged URL www lcd china com Document Name ERM802 1 Series Manual Rev1 0 Page 19 of 20 V EastRising Character Module User Manual ERM802 1 Series www lcd china c
15. ns See Major list 3 Exceeds standards for display s blemishes foreign matter lt dark lines or scratches Minor 10 PCB defects Oxidation or contamination on connectors 2 Wrong parts missing parts or parts not in specification 3 Jumpers set incorrectly Minor See 4 Solder if any on bezel LED pad zebra pad or screw hole list pad is not smooth Minor Minor if display functions correctly Major if the display fails 11 Soldering defects 1 Unmelted solder paste Minor 2 Cold solder joints missing solder connections or oxidation 3 Solder bridges causing short circuits 4 Residue or solder balls 5 Solder flux is black or brown Minor if display functions correctly Major if the display fails URL www lcd china com Document Name ERM802 1 Series Manual Rev1 0 Page 12 of 20 V EastRising Character Module User Manual ERM802 1 Series www lcd china com 5 5 Screen Cosmetic Criteria Non Operating gt gt Return to CONTENTS No Defect Judgment Criterion Partition 1 Spots In accordance with Screen Cosmetic Criteria Operating No 1 Minor 2 Lines In accordance with Screen Cosmetic Criteria Operation No 2 Minor Bubbles in Minor Polarizer Size d mm Acceptable Qty in active area d 0 3 Disregard 0 3 lt d 1 0 3 1 0 lt d 1 5 1 1 5 lt d 0 4 Scratch In accordance with spots and lines operating cosmetic criteria When the Minor light refle
16. om 7 6 Precaution for Operation gt gt Return to CONTENTS Viewing angle varies with the change of liquid crystal driving voltage VO Adjust VO to show the best contrast Driving the EastRising LCD in the voltage above the limit shortens its life Response time is greatly delayed at temperature below the operating temperature range However this does not mean the LCD will be out of the order It will recover when it returns to the specified temperature range If EastRising display area is pushed hard during operation the display will become abnormal However it will return to normal if it is turned off and then back on Condensation on terminals can cause an electrochemical reaction disrupting the terminal circuit Therefore it must be used under the relative condition of 40 C 5096 RH When turning the power on input each signal after the positive negative voltage becomes stable 7 7 Limited Warranty gt gt Return to CONTENTS Unless agreed between EastRising and customer EastRising will replace or repair any of its LCD modules which are found to be functionally defective when inspected in accordance with EastRising LCD acceptance standards copies available upon request for a period of one year from date of shipments Cosmetic visual defects must be returned to EastRising within 90 days of shipment Confirmation of such date shall be based on freight documents The warranty liability of EastRising limited to repai
17. r and or replacement on the terms set forth above EastRising will not be responsible for any subsequent or consequential events 7 8 Return Policy gt gt Return to CONTENTS No warranty can be granted if the precautions stated above have been disregarded The typical examples of violations are Broken LCD glass PCB eyelet damaged or modified PCB conductors damaged Circuit modified in any way including addition of components PCB tampered with by grinding engraving or painting varnish Soldering to or modifying the bezel in any manner Module repairs will be invoiced to the customer upon mutual agreement Modules must be returned with sufficient description of the failures or defects Any connectors or cable installed by the customer must be removed completely without damaging the PCB eyelet s conductors and terminals That s the end of the Manual gt gt Return to CONTENTS URL www lcd china com Document Name ERM802 1 Series Manual Rev1 0 Page 20 of 20
18. stic polarizer Avoid contact and clean only when necessary with soft absorbent cotton dampened with petroleum benzene Always employ anti static procedure while handling EastRising module Prevent moisture build up upon the module and observe the environmental constraints for storage tem Do not store in direct sunlight If leakage of the liquid crystal material should occur avoid contact with this material particularly ingestion If the body or clothing becomes contaminated by the liquid crystal material wash thoroughly with water and soap 6 5 Storage Precautions gt gt Return to CONTENTS When storing the LCD modules avoid exposure to direct sunlight or to the light of fluorescent lamps Keep EastRising modules in bags avoid high temperature high humidity and low temperatures below 0C Whenever possible EastRising LCD modules should be stored in the same conditions in which they were shipped from our company 6 6 Others gt gt Return to CONTENTS Liquid crystals solidify under low temperature below the storage temperature range leading to defective orientation or the generation of air bubbles black or white Air bubbles may also be generated if the module URL www lcd china com Document Name ERM802 1 Series Manual Rev1 0 Page 17 of 20 V EastRising Character Module User Manual ERM802 1 Series www lcd china com 7 is subject to a low temperature If EastRising LCD modules have been operating for a long ti
19. tro Static Discharge Control 2 L L 19 7 5 Precaution for Soldering to EastRising LCM 7 19 7 6 Precaution for Operation lt lt s502 o ens L L L 20 7 7 Limited Warranty cm rmn acm Reno L C LLL 20 8 Return POlCY EL A mPa acy LLL LLL LL 20 URL www lcd china com Document Name ERM802 1 Series Manual Rev1 0 Page 3 of 20 EastRising Character Module User Manual ERM802 1 Series www lcd china com 1 ORDERING INFORMATION 1 1 ERM802 1 Series Table The number of series table is in accordance with number of the below series image 1 2 gt gt Return to CONTENTS No Part Number LCD Type Backlight Color Graphic amp Font Color Background Color 1 ERM802SA 1 STN Positive Yellow Green Color Dark Blue Yellow Green Color 2 ERM802SN 1 STN Positive No Backlight Dark Blue Yellow Green Color URL www lcd china com Document Name ERM802 1 Series Manual Rev1 0 Page 4 of 20 V EastRising Character Module User Manual ERM802 1 Series www lcd china com 1 2 ERM802 1 Series Image gt gt Return to CONTENTS The number of series image is in accordance with number of the above series table 1 1 ERM802 1 1 URL www lcd china com Document Name ERM802 1 Series Manual Rev1 0 Page 5 of 20 V EastRising Character Module User Manual ERM802 1 Series www lcd china com 2 ATTRIBUTES 2 1 Display Attributes gt gt R
20. ub hard to avoid damaging the display surface Wipe off saliva or water drops immediately contact with water over a long period of time may cause deformation or color fading Avoid contacting oil and fats Condensation on the surface and contact with terminals due to cold will damage stain or dirty the polarizers After products are tested at low temperature they must be warmed up in a container before coming is contacting with room temperature air Do not put or attach anything on EastRising display area to avoid leaving marks on Do not touch the display with bare hands This will stain the display area and degradate insulation between terminals some cosmetics are determinated to the polarizers As glass is fragile It tends to become or chipped during handling especially on the edges Please avoid dropping or jarring 7 2 Installing LCD Modules gt gt Return to CONTENTS Cover the surface with a transparent protective plate to protect the polarizer and LC cell When assembling the LCM into other equipment the spacer to the bit between the LCM and the fitting plate should have enough height to avoid causing stress to the module surface refer to the individual specifications for measurements The measurement tolerance should be 0 1mm URL www lcd china com Document Name ERM802 1 Series Manual Rev1 0 Page 18 of 20 V EastRising Character Module User Manual ERM802 1 Series www lcd china com 7 3 Precaution for Handlin
21. w lcd china com 5 4 Module Cosmetic Criteria gt gt Return to CONTENTS NO Item Judgment Criterion Partition 1 Difference in Spec None allowed Major Pattern Peeling No substrate pattern peeling and floating Major Soldering defects No soldering missing Major No soldering bridge Major No cold soldering Minor Resist flaw on substrate Invisible copper Toil Z 0 5mm or more on substrate pattern Minor Accretion of metallic No soldering dust Minor Foreign matter No accretion of metallic foreign matters Not exceed 0 2mm Stain No stain to spoil cosmetic badly Minor Plate discoloring No plate fading rusting and discoloring Minor Solder amount a Soldering side of PCB Minor 1 Lead parts Solder to form a Filet all around the lead Solder should not hide the lead form perfectly too much b Components side In case of Through Hole PCB LI Solder to reach the Components side of PCB 2 Flat packages Either toe A or heal B of Minor the lead to be covered by Filet Z AT 4B Lead form to be assume over Solder 3 Chips 3 2 Hzhz 1 2 H Minor h H URL www lcd china com Document Name ERM802 1 Series Manual Rev1 0 Page 11 of 20 V EastRising Character Module User Manual ERM802 1 Series www lcd china com 9 Backlight defects 1 Light fails or flickers Major 2 Color and luminance do not correspond to specificatio
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