AOC LE32W234DL Maintenance Service Manual Download Page 31

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DIM

BL-ON/OFF

BL-ADJUST

+5V_STANDBY

12V

AC INPUT

：

100-240VAC

EC7

470uF/50V

EC7

470uF/50V

CY2

102/400V

CY2

102/400V

R24

100k

R24

100k

R26A

30k

R26A

30k

R2
27k

C15
0.1uF

R43
0.1

U2A

817C

U2A

817C

EC5

680uF/25V

EC5

680uF/25V

C01

102/1kV

C01

102/1kV

RXB 1M

C20
NC

D3
RL207

C8
1nF

EC10

47uF/100V

EC10

47uF/100V

C016

1uF

C016

1uF

R44
0.1

RJ2

R22
150k

C017

1uF

C017

1uF

C22
100pF

D4
RL207

R45
0.1

R30A 0.1

C9
100pF

EC6

680uF/25V

EC6

680uF/25V

RXC 1M

U2B

817C

U2B

817C

D10
SR5100

R29

200k

R29

200k

R37 10k

EC9
100uF/50V

470pF/200V

C23

10nF

C23

10nF

D8
1N4148

D7
RL207

RXD 1M

150k 2WS

R17
1k

CX1

0.22uF/275V

CX1

0.22uF/275V

C11
10nF/50V

D9
22V

R39

24k

R39

24k

C018

1uF

C018

1uF

R18
NC

L4A
3.3uH

R21
43k

C21
NC

C12

0.22uF

C12

0.22uF

R40
24k

T1A
70:(5:4)

470pF/200V

EC8

470uF/50V

EC8

470uF/50V

Q4
10N65

1N4148

GATE

OB5269

R26B

L3A
3.3uH

RJ3

EC1

82uF/450V

EC1

82uF/450V

R12

R27

22nF

R27

22nF

R23
10k

CN101

TL431

R30C 0.1

RJ4

R30

3.3k

R30

3.3k

R28 10

R41
0.1

R6
4.7

R7
1.5k

C10
10nF/50V

POL

VIN

VCC

CMP

DIM

AGND

ISET

LED1

LED2

LED3

LED4

LED5

LED6

LED7

LED8

LED9

LED10

LED11

LED12

OVP

PGND

GATE

FAULT

U4
OB3362

D12
SR560

RJ1

1
2
3
4
5
6
7
8
9

CN3

Q3
AOD478

Q2
MMBT2222

EC3

680uF/25V

EC3

680uF/25V

NTC
8

RJ6

C101

0.1uF/50V

C101

0.1uF/50V

R38

15k

R38

15k

R1
27k

R13

C24
10nF

R16
5.1k

R25

560k

R25

560k

C02

2.2nF/400V

C02

2.2nF/400V

EC4

680uF/25V

EC4

680uF/25V

R19

F1
2AL/250Vac

R30B 0.1

D1
RL207

RJ5

D11
20100

R10

L2
18mH

R15
NC

120uH

RXA 1M

R42
0.1

CY1

102/400V

CY1

102/400V

D2
RL207

EC2
47uF/50V

D5
FR157

R11

C4
10nF

T2B
15T

R20
11k

_______

Summary of Contents for LE32W234DL

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Page 14: ...Signal source selection PICTURE MODE Modes dynamic standard soft user BRIGHTNESS Brightness CONTRAST Contrast COLOR Color saturation SHARPNESS Definition PICTURE MODE TINT Hue Color temperature adjustment MODE Signal source TEMPERATURE Cool Standard Warm R GAIN G GAIN B GAIN White level adjustment R OFFSET G OFFSET W B ADJUST B OFFSET Black level adjustment Spread spectrum adjustment MIU Enable MI...

Page 15: ... CH Table2 set factory TV channels Debug mode selection UART DEBUG UART DEBUG There are four items OFF HK AEON and VDEC We usually choose HK to enable serial port debugging All kinds of adjustment curves MODE Signal source selection Brightness Curve OSD 0 OSD 25 OSD 50 OSD 75 OSD 100 Contrast Curve OSD 0 OSD 25 OSD 50 OSD 75 OSD 100 Saturation Curve OSD 0 OSD 25 OSD 50 OSD 75 OSD 100 Hue Curve OSD...

Page 16: ...D item record R GAIN G GAIN B GAIN value and R OFFSET G OFFSET B OFFSET value 3 Operations and procedure of software upgrading 1 Changed the file name to MERGE bin then store software in the FAT32 format blank U disk 2 Insert USB flash disk into the USB upgrade port upgrade the software according to the following the operating instructions Method 1 Method 1 will not erase the original EDID and HDC...

Page 17: ... U disk to avoid damaging U disk or machine Because of compatibility between machine and U disk some machines will not flicker during upgrading Please change U disk The capacity of U disk is not more than 2G or use method 1 to upgrade If the display screen can t display menu normally it cannot use method 1 to upgrade you can use Mstar ISP Tools to upgrade except method 1 and method 2 4 When cannot...

Page 18: ...VGA port with VGA cable 2 Insert the Mstar USB Tool into the USB port of your PC The PC can recognize the new device You can choose to install it in the list or choose to install at a specified directory and specify the path to the drive file See the figure below ...

Page 19: ... drives are installed connect the Mstar USB Tool board to TV in such a way as specified below Then connect the TV power cord and run the software ISP Tool V4 5 2 8 SZ exe to burn the program into the TV drive board 2 In the config menu bar to select Use USB and Auto release USB Communication Setting items corresponding to the Port Type menu select USB Set the burning speed of 48 in I2C Speed Setti...

Page 20: ...eans that normal connecting if it prompts Can t find the Device Type means that there is poor connecting please have a check 4 Click Read button in tool bar then click Read to load current software 5 Click Auto button in tool bar to set the corresponding settings Abnormal OK ...

Page 21: ...Then click RUN button to burn software When display PASS means that it succeed then burn EDID according to the following instructions ...

Page 22: ...aterials for HDCP KEY and EDID Personal computer WINDOWS XP system USB2 0 AC100 240V power supply and power cord ISP burning board ISP burning board driver ISP_Tool_XC_V0 05 exe VGA cable VGA EDID and HDMI EDID file Specific operation according to the following instructions 1 Connect ISP burning board and TV and computer then run ISP_Tool_XC_V0 05 exe to set communication mode 2 Click Connect butt...

Page 23: ...Please click and to load current software If prompts Device Type is GD25Q32 means that normal connect if prompts Can t find the Device Type means that there is poor connecting please have a check ...

Page 24: ...load current KEY documents in KEY address bar input 0 X3B0000 and enter select EDID1 check box and load current work order VGA port EDID bin file in EDID1 corresponding files address bar input 0 X3B0400 and enter select EDID2 check box and load current work order HDMI EDID bin file in EDID2 corresponding file address bar input 0 X3B0600 and enter Modify EDID1 and EDID2 corresponding information ac...

Page 25: ...ck Setting menu click Clear All to clear click drop down list in Global Offset Address select OX00000000 Bank 00 in address list select 0X3B0000 check address settings and click OK button to exit address settings Don t selet if mainboard have burned correct KEY or EDID Don t selet if mainboard have burned correct KEY or EDID ...

Page 26: ...ng wire to complete burning operation It not allow pulling out the wires during burning process Shut down the power when installing or taking mainboard 7 It not allow pulling out the wires during burning process Shut down the power when installing or taking mainboard Pull out the power cord of machine first then pull out burning board When burning complete change the TV and click Run button to bur...

Page 27: ...then press shift douwn key to move the cursor to the Auto ADC option press OK key to enter the next level menu press the left right button to implement ADC action The screen will flash and Auto ADC function menu prompt SUCCESS means that debug success prompt FAIL said that debug failed try again press the MENU button to exit factory menu when debugging completed 4 Under the YPbPb message source pr...

Page 28: ...pgrade to the value before the upgrade 7 Complete the ADC ADJUST debugging press MENU key succession to exit the factory built in menu to save the adjusted data and then restore the original packaging Change the R GAIN G GAIN B GAIN value and R OFFSET G OFFSET B OFFSET value to the value before the upgrade under the YPbPr SD HD mode Change the R GAIN G GAIN B GAIN value and R OFFSET G OFFSET B OFF...

Page 29: ...0R R329 10K R329 10K R345 12K NC R345 12K NC R138 4 7K R138 4 7K R128 100K R128 100K 3 1 2 D306 BAT54C D306 BAT54C B_ODD7 LVA2M R12 NC GPIO62 N9 SOGIN1 H2 BIN1P H3 GIN1M J2 GIN1P J3 CVBS2 K1 AVDD_DVI H4 AUL0 M2 AUREFM M4 GIN0P F3 RFAGC T4 B_ODD2 LVA3P P11 VIFM R6 VIFP T6 AVDD_PGA N5 AVDD_33 J4 RIN1P J1 R_ODD2 LVB2P N14 B_ODD5 LVACKM P12 G_ODD0 LVA1P P13 SAR2_GPIO13 GPIO73 C10 SAR1_GPIO12 GPIO74 C1...

Page 30: ...R133 10K 1 2 L210 600_BEAD L210 600_BEAD R103 4 7k R103 4 7k R220 2K R220 2K 1 2 L204 600_BEAD L204 600_BEAD C252 1nF C252 1nF C209 2 2uF C209 2 2uF C221 0 1uF C221 0 1uF C251 10uF C251 10uF 1 2 3 Q201 3904 NC Q201 3904 NC 1 H13 NC H13 NC TL11 8 2nH_110mA_ 0 1nH TL11 8 2nH_110mA_ 0 1nH TC33 100nF16V 10 TC33 100nF16V 10 TC38 6 8nF 50V 10 TC38 6 8nF 50V 10 EN 3 2 GND VOUT 5 VIN 1 NC 4 U106 S 1313A33...

Page 31: ...N65 Q4 10N65 D6 1N4148 D6 1N4148 1 2 L8 L8 RT 1 GND 4 CS 3 GATE 5 VDD 6 HV 8 FB 2 U1 OB5269 U1 OB5269 R26B NC R26B NC L3A 3 3uH L3A 3 3uH RJ3 RJ3 EC1 82uF 450V EC1 82uF 450V R12 47Ω R12 47Ω R27 22nF R27 22nF R23 10k R23 10k 1 2 3 CN101 CN101 1 3 2 U3 TL431 U3 TL431 R30C 0 1Ω R30C 0 1Ω RJ4 RJ4 R30 3 3k R30 3 3k R28 10Ω R28 10Ω R41 0 1Ω R41 0 1Ω R6 4 7Ω R6 4 7Ω R7 1 5k R7 1 5k R4 10Ω R4 10Ω C10 10nF...

Page 32: ...Operation Instructions ...

Page 33: ...ted and slipped are not allowed Notice Fit key board to the key properly Recent Modification Record Section Serial No Descriptions Preprocessing 01 When finished step on the switch with your foot to send the product to next station Operations and Requirements Fit button array to back cover properly as illustrated Fasten key board with two screws 1 2 Interface face down Figure 1 1 Figure 2 Figure 3...

Page 34: ...equirements Station Name Back Cover Processing 2 Fit the two speakers to back cover properly Fasten the two speakers to back cover with four screws When finished step on the switch with your foot to send the product to next station Notice 1 Wastes produced by this station shall be placed in the assigned position Refer to Waste Classification and Disposal List 2 Install screws by the serial number ...

Page 35: ...tick side interface adhesive film on side of back cover properly Stick back interface adhesive film on back cover as illustrated Stick rear nameplate on back cover as illustrated Section Serial No Preprocessing 03 1 Wastes produced by this station shall be placed in the assigned position Refer to Waste Classification and Disposal List Project Controlled Seal Recent Modification Record Notice Figur...

Page 36: ...tch with your foot to send the product to next station Section Serial No Preprocessing 04 Operations and Requirements Project Controlled Seal Recent Modification Record 1 Wastes produced by this station shall be placed in the assigned position Refer to Waste Classification and Disposal List 2 Install screws by the serial number install one by one and abnormalities such as screws being neglected ti...

Page 37: ...nd it with care and be careful to operate to avoid scratch Please hold the metallic frame of screen and do not touch or crush display screen 3 Take proper anti static precautions such as wearing anti static gloves Project Controlled Seal Station Name Display Screen Placement Part Number Figure Recent Modification Record Section Serial No Descriptions Put it on the assembly board with display surfa...

Page 38: ...e frame properly When finished step on the switch with your foot to send the product to next station Mark the fragile label and stick it on panel back as illustrated Section Serial No Unit Assembly 02 Part Number Descriptions Operations and Requirements Figure Fragile label Figure 1 Please read and understand the operating instructions carefully 2 Mark production date and warranty deadline of mach...

Page 39: ...nel please use 4PCS 50mm viscose paper When finished step on the switch with your foot to send the product to next station Insert panel end of LVDS wire to drive board Fix LVDS wire to panel back with 2PCS viscose paper Section Serial No Unit Assembly 03 Part Number Descriptions Operations and Requirements 0 13mm 20mm 50m viscose paper 3M8915 50mm 3 K320WD BA280 K320WD LA280 Figure 1 Figure 2 Caut...

Page 40: ...l Screw Locking Fasten 4PCS hexagonal screws to panel back as illustrated When finished step on the switch with your foot to send the product to next station Section Serial No Unit Assembly 04 A Please read and understand the operating instructions carefully Take only one screw at a time Please read and understand the operating instructions carefully Take only one screw at a time 4 Process Require...

Page 41: ...ff the release paper of mylar film then stick it on panel back as illustrated Stick 2PCS viscose paper on two sides of mylar film When finished step on the switch with your foot to send the product to next station Figure 1 Wastes produced by this station shall be placed in the assigned position Refer to Waste Classification and Disposal List Section Serial No Unit Assembly 05 Part Number Descripti...

Page 42: ...inished step on the switch with your foot to send the product to next station Figure Notice 1 Wastes produced by this station shall be placed in the assigned position Refer to Waste Classification and Disposal List Put the mainboard on table and check if it looks fine Section Serial No Unit Assembly 06 Part Number Descriptions Operations and Requirements Station Name Mainboard Placement 32 T9C ser...

Page 43: ... serial number install one by one and abnormalities such as screws being neglected tilted and slipped are not allowed Section Serial No Unit Assembly 07 Part Number Descriptions Operations and Requirements Station Name Mainboard Locking Please read and understand the operating instructions carefully Take only one screw at a time 7 Process Requirements 1 Check for rusted screws missing slots or bad...

Page 44: ...side baffle plate and mainboard to the panel with two screws When finished step on the switch with your foot to send the product to next station Section Serial No Unit Assembly 08 Part Number Descriptions Operations and Requirements Station Name I O Baffle Plate Locking 32L31F 32L41F side baffle plate of mainboard T9 MST6M182VG Please read and understand the operating instructions carefully Take o...

Page 45: ...remote control board socket Lock the remote control board to the bottom of surface frame When finished step on the switch with your foot to send the product to next station Project Controlled Seal Recent Modification Record 1 Wastes produced by this station shall be placed in the assigned position Refer to Waste Classification and Disposal List Section Serial No Unit Assembly 09 Part Number Descri...

Page 46: ...ished step on the switch with your foot to send the product to next station Project Controlled Seal Recent Modification Record Operations and Requirements Notice 1 Wastes produced by this station shall be placed in the assigned position Refer to Waste Classification and Disposal List Insert 3pin red black power cord to power socket on mainboard Section Serial No Unit Assembly 10 Part Number Descri...

Page 47: ...on Refer to Waste Classification and Disposal List Notice When finished step on the switch with your foot to send the product to next station Insert LVDS wire to LVDS socket on mainboard Insert backlight end to 10pin socket as illustrated Section Serial No Unit Assembly 11 Part Number Descriptions Operations and Requirements Station Name Wire Insertion 2 11 If it is not inserted properly correctio...

Page 48: ...y this station shall be placed in the assigned position Refer to Waste Classification and Disposal List Part Number Descriptions Operations and Requirements Station Name Wire Insertion 3 Insert 200mm 2Pin yellow black speaker wire to 2pin socket on mainboard Insert 650mm 3Pin red black speaker wire to 3pin socket on mainboard When finished step on the switch with your foot to send the product to n...

Page 49: ...step on the switch with your foot to send the product to next station Notice Section Serial No Unit Assembly 13 1 Wastes produced by this station shall be placed in the assigned position Refer to Waste Classification and Disposal List Part Number Descriptions Operations and Requirements Station Name Wire Arrangement 1 0 13mm 20mm 50m Viscose paper 3M8915 50mm 13 K320WD LA280 K320WD BA280 Put the e...

Page 50: ...odification Record Notice 1 Wastes produced by this station shall be placed in the assigned position Refer to Waste Classification and Disposal List Tear off two pieces of 50mm viscose paper and fix wires in the figure to panel back properly Spread red glue on two sides of power socket Section Serial No Unit Assembly 14 Part Number Descriptions Operations and Requirements Station Name Wire Arrange...

Page 51: ...equirements Station Name Process Inspection 1 Please read and understand the operating instructions carefully Take only one screw at a time 15 K320WD BA280 Figure 1 Process Inspection Requirements 1 Connection wires being missed to insert misplaced inserted reversely or inserted not in place are not allowed and also do not touch high power components such as power board and mainboard 2 Screws can ...

Page 52: ...xt station Section Serial No Unit Assembly 16 Please read and understand the operating instructions carefully Take only one screw at a time 16 K320WD LA280 Process Inspection Requirements 1 Connection wires being missed to insert misplaced inserted reversely or inserted not in place are not allowed and also do not touch high power components such as power board and mainboard 2 Screws can not be mi...

Page 53: ...ert 4pin key board wire to key socket properly When finished step on the switch with your foot to send the product to next station Recent Modification Record Section Serial No Unit Assembly 17 Part Number Descriptions 1 Wastes produced by this station shall be placed in the assigned position Refer to Waste Classification and Disposal List Project Controlled Seal Operations and Requirements Station...

Page 54: ...tation Name Back Cover Installation 2 1 Wastes produced by this station shall be placed in the assigned position Refer to Waste Classification and Disposal List Notice Lock the back cover properly When finished step on the switch with your foot to send the product to next station Insert red black and yellow black speaker wires to left right speakers properly Section Serial No Unit Assembly 18 Part...

Page 55: ...h on power cord cover properly Project Controlled Seal Recent Modification Record 1 Wastes produced by this station shall be placed in the assigned position Refer to Waste Classification and Disposal List Operations and Requirements Station Name When finished step on the switch with your foot to send the product to next station Power Cord Cover Installation Insert red black power cord to the socke...

Page 56: ... with your foot to send the product to next station Ф4 5mm round head white zinc plated machine screws with jugged washers optional Fasten ground wire of power to the screw hole of panel back plate with one Ф4 5mm screw Station Name Power Cord Cover Locking Section Serial No Unit Assembly 20 Part Number Descriptions Φ3 10 countersunk head pointed tail black zinc plated tapping screws Please read a...

Page 57: ...ch with your foot to send the product to next station Notice 1 Wastes produced by this station shall be placed in the assigned position Refer to Waste Classification and Disposal List Φ3 13mm flat head flat tail black zinc plated tapping screws Please read and understand the operating instructions carefully Take only one screw at a time 21 Process Requirements 1 Check for rusted screws missing slo...

Page 58: ...s Operations and Requirements Fasten back cover with five screws When finished step on the switch with your foot to send the product to next station Station Name Back Cover Locking 2 Φ3 13mm flat head flat tail black zinc plated tapping screws Please read and understand the operating instructions carefully Take only one screw at a time 22 Process Requirements 1 Check for rusted screws missing slot...

Page 59: ...n back cover with five screws When finished step on the switch with your foot to send the product to next station Station Name Back Cover Locking 3 Section Serial No Unit Assembly 23 Φ3 13mm flat head flat tail black zinc plated tapping screws Please read and understand the operating instructions carefully Take only one screw at a time 23 Process Requirements 1 Check for rusted screws missing slot...

Page 60: ...screws Fasten back cover with two Φ3 13mm screws When finished step on the switch with your foot to send the product to next station Station Name Back Cover Locking 4 Section Serial No Unit Assembly 24 Φ3 6 countersunk head black zinc plated machine screws Φ3 13mm flat head flat tail black zinc plated tapping screws Please read and understand the operating instructions carefully Take only one scre...

Page 61: ...o next station Figure 2 Install screws by the serial number install one by one and abnormalities such as screws being neglected tilted and slipped are not allowed Station Name Back Cover Locking 5 Section Serial No Unit Assembly 25 Ф4 16mm B head black zinc plated machine screws with spring washers Please read and understand the operating instructions carefully Take only one screw at a time 25 Pro...

Page 62: ...ark on the screen surface when pressing keys on the panel if any make certain adjustment 3 Press Menu on the remote control and main menu shall appear check if the main menu LOGO and language type comply with the work order requirements 4 Press Menu on the remote control then press 8 2 0 2 to enter Factory Menu check if software information complies with work order requirements and make a proper r...

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AOC LE32W234DL, Maintenance Service Manual

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