Haier L32R1, L40R1, L42R1 Service Manual Download Page 46

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Need fine tune timing

COAXIAL

LINE OUT/CEC

Title

Size

Document Number

Rev

Date:

Sheet

Drawn

AVDD33_AADC

AVSS33_AADC
VIMD_AADC
REFP_AADC
REFN_AADC

AOBCK

AL2
AR2

AVDD33_ADAC0
AVDD33_ADAC1

AL1
AR1

AVSS33_ADAC0
AVSS33_ADAC1
ADAC_VCM
AVDD33_DIG

ASPDIF

AOLRCK

REFP_AADC

AVDD33_ADAC0

AVDD33_ADAC1

AVDD33_AADC

VIMD_AADC

AIN1_L
AIN1_R
AIN2_L
AIN2_R

AIN0_R

AIN0_L

AIN1_L
AIN1_R
AIN2_L
AIN2_R

AIN0_R

AIN0_L

AL1
AR1

+5V

AVDD33_DIG

MUTE

AV33

ASPDIF

+12V

OFF_MUTE
AOLRCK

HPDET#

AOBCK

GPIO_4

GPIO_[4..11]

AOBCK

A0SDATA0

AOMCLK

A0SDATA0

AOLRCK

AOMCLK

OPCTRL1

+3V3SB

AL2
AR2

HPDET#

AIN3_L
AIN3_R

AIN3_R

AIN3_L

+5VSB

AVSS33_AADC

REFN_AADC

OPCTRL1

AVSS33_ADAC1

GND

ADAC_VCM

AVSS33_ADAC0

AVSS33_DIG

AIN0_R

AIN1_L

AIN1_R

AIN2_L

AIN0_L

AIN2_R

AR1

14,15

AL1

14,15

+5V

1,2,3,5,8,9,10,14,15

MUTE

14,15

AV33

2,3,5,8,9,10

ASPDIF

+12V

1,3,9,10,14,15

OFF_MUTE

AOLRCK

AOBCK

GPIO_[4..11]

4,8,9,14,15

OPCTRL1

4,11

+3V3SB

1,2,4,7,8,9

AR2

AL2

HPDET#

AIN3_L

AIN3_R

+5VSB

1,2,11,15

GND

1,2,3,4,5,6,7,8,9,10,11,12,14,15

A0SDATA0

AOMCLK

AV33

+3V3SB

CB171
0.1uF

C0603/SMD

U13G

MT5380 SMD LQFP

LQFP256/SMD/5380

179
178
177
176
175
174
173
172
171
183
181
182
180

203
200
201
202
198
188
187
191
189
192
184
190
186
185
170

AIN0_L
AIN0_R
AIN1_L
AIN1_R
AIN2_L
AIN2_R
AIN3_L
AIN3_R
AVDD33_AADC
AVSS33_AADC
VMID_AADC
REFP_AADC
REFN_AADC

ASPDIF

AOMCLK

AOLRCK

AOBCK

AOSDATA0

AL1

AR1

AL2

AR2

AVDD33_ADAC0

AVDD33_ADAC1

AVSS33_ADAC0

AVSS33_ADAC1

ADAC_VCM

AVDD33_DIG

R1612
10K

R0603/SMD

C329
4.7uF/10V

C0805/SMD

C202
1uF

C0603/SMD

CB166
0.1uF

C0603/SMD

R324

R0603/SMD

CB168
0.1uF

C0603/SMD

C203
1uF

C0603/SMD

CB174
0.1uF

C0603/SMD

FB50

BEAD/SMD/0603

FB53

BEAD/SMD/0603

FB51

BEAD/SMD/0603

CE55

100uF/16V

C100UF16V/D6.3H7

C330
1uF

C0603/SMD

C204
1uF

C0603/SMD

FB62

BEAD/SMD/0603

FB52

BEAD/SMD/0603

CB234
0.1uF

C0603/SMD

CB175
0.1uF

C0603/SMD

CE198

10uF/16V

CB170
0.1uF

C0603/SMD

C201
1uF

C0603/SMD

C195
4.7uF/10V

C0805/SMD

Summary of Contents for L32R1, L40R1, L42R1

Page 1: ...1 HL32R B MTK5380 AU ...

Page 2: ... warnings or cautions to advise non technical individuals of potential dangers in attempting to service a product Products powered b electricity should be serviced or repaired only by experienced professional technicians Any attempt to service or repair the product deal with in this service information by anyone else could result in serious injury or death ...

Page 3: ...panel controls 22 5 2 Back panel controls 23 5 3 Setting Up Your Remote Control 24 6 DISASSEMBLY INSTRUCTIONS 25 6 1 whole machine 26 6 2 Base subassembly 27 6 3 Back cover subassembly 28 6 4 Screen bracket subassembly 28 6 5 Front frame subassembly 29 6 6 Wire subassembly Connection Sketch Interpretat 30 6 6 1 Wire Photo 30 6 6 2 Components List 30 7 MEASUREMENTS AND ADJUSTMENTS 31 8 BLOCK DIAGRA...

Page 4: ...o not use your TV near water For example do not use it near a bath tub wash bowl kitchen sink laundry tub in a wet basement or near a swimming pool Cleaning Unplug your TV before cleaning Do not use liquid or aerosol cleaners Use only a damp cloth to clean the exterior of your TV Ventilation Slots and openings in the cabinet and the back or bottom are provided for ventilation reliable operation an...

Page 5: ... from lightning and power line surges Servicing Do not attempt to service your TV yourself because opening or removing covers may expose you to angerous voltage or other hazards Refer all servicing to qualified service personnel Replacement parts When replacement parts are required make sure that the service technician uses replacement parts specified by the manufacturer that have the same charact...

Page 6: ...s which provide exceptionally sharp video quality Occasionally a few non active pixels may appear on the screen as a fixed blue green or red point These non active pixels do not adversely affect the performance of your TV and are not considered defects 2 Specification Model L32R1 Screen size 32inch Aspect ratio 16 9 Resolution 1366X768 Response Time ms 8 GRAY TO GRAY Angel of view 1780 Color displ...

Page 7: ... No Parts number Description A Board Power supply board 3 2 Main Board 3 2 1 Function Description Main Board Process signal which incept from exterior equipment then translate into signal that panel can display Signal flowing chart Main Board Assembly B Board ...

Page 8: ...8 3 2 2 Connector definition Power connector CNA1 MTk5380 ...

Page 9: ...umber Signal name Description 1 5V Supply the Power of bright and IR receiver 2 IR Receive IR signal 3 G Show green when TV standby 4 B Show blue when TV working 5 GND Ground 6 NC NC Pin number Signal name Description 1 GND Ground 2 AD0 Control Power CH CH 3 AD1 Control Menu V V INPUT Pin number Signal name Description 1 BKANJ Control the backlight of pannel 2 BKEN The system turn on or turn off t...

Page 10: ...t use 17 A1P 2 LVDS VDD 10 Not use 18 A1N 3 LVDS VDD 11 Not use 19 A2P 4 LVDS VDD 12 Not use 20 A2N 5 Not use 13 A0P 21 GND 6 Not use 14 A0N 22 GND 7 GND 15 GND 23 CK1P 8 GND 16 LVDS_SEL 24 CK1N Pin number Signal name 25 A3P 26 A3N 27 GND 28 GND 29 Not use 30 Not use Pin number Signal name Description 1 18V Power of Audio power amp 2 18V Power of Audio power amp 3 GND Ground 4 GND Ground Pin numbe...

Page 11: ...finition CONNECTOR CON2 CONNECTOR CON4 CONNECTOR CON3 CON2 Signal name 1 24V 2 24V 3 24V 4 24V 5 24V 6 GND 7 GND 8 GND 9 GND 10 GND CON6 Signal name 1 2 18V 3 4 GND CON4 Signal name 1 ON OFF 2 GND 3 5VSB 4 GND 5 GND 6 12V 7 ...

Page 12: ...4 Power DC 12V 5 Power DC 12V 6 GND GND 7 GND GND 8 GND GND 9 GND GND 10 RO 0 N ODD LVDS SINGAL 11 RO 0 P ODD LVDS SINGAL 12 RO 1 N ODD LVDS SINGAL 13 RO 1 P ODD LVDS SINGAL 14 RO 2 N ODD LVDS SINGAL 15 RO 2 P ODD LVDS SINGAL 16 GND GND 17 ROCLK ODD LVDS SINGAL 18 ROCLK ODD LVDS SINGAL 19 GND GND 20 RO 3 N ODD LVDS SINGAL 21 RO 3 P ODD LVDS SINGAL 22 NC NC 23 NC NC ...

Page 13: ...CND1 Header S14B PH SM4 TB D LF JST or equivalent Pin No Symbol Description 1 2 3 4 5 VBL 24V Power input 6 7 8 9 10 GND Ground 11 NC NC 12 BLON BL ON OFF 13 PWM Internal PWM Control 14 NC NC 4 INSTALLATION INSTRUCTIONS 4 1 External Equipment Connections Accessories Antenna Connection Generally speaking to enjoy a clearer picture we recommend that you use a CATV system or an ...

Page 14: ... not included with the TV Choose Your Connection There are several ways to connect your television depending on the components you want to connect and the quality of the signal you want to achieve The following are examples of some different ways to connect your TV with different input sources VCR connection ...

Page 15: ...15 ...

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Page 17: ...17 ...

Page 18: ...18 ...

Page 19: ...esolution appropriately To get the best picture quality adjust the output resolution of the source device to 1280x720p Select HDMI input source in input source option of Select Main source menu When the source device DVD player or Set Top Box supports DVI How To Connect 1 Connect the source device to HDMI port of this TV with a HDMI to DVI cable not supplied with this product 2 A separated audio c...

Page 20: ...20 HDMI Cable not supplied with the product HDMI to DVI Cable not supplied with the product Analog Audio Cable Stereo to RCA type not supplied with the product ...

Page 21: ...21 Power source Removing the table stand and installing a wall mount bracket ...

Page 22: ...e as left right buttons 4 CH Press to scan through channels To scan quickly through channels press and hold down either In the MENU screen these buttons serve as up down buttons 5 POWER Press to turn on and off the TV 6 AV2 AUDIO IN Connect to hear stereo sound from an external device 7 HDMI3 IN Connect a signal from an external device to HDMI 8 AV2 VIDEO IN Connects the video signal from a video ...

Page 23: ...nnect digital audio from an external device NOTE In standby mode these ports will not work 8 VIDEO Out Connect the second TV or monitor to the TV s AV OUT 9 AUDIO Out Connect the audio L R cables to the second TV s AV IN 10 VIDEO IN Connects the video signal from a video device 11 AUDIO IN Connect the audio L R cables from the Video signal source these jacks 12 S VIDEO IN Connect the S Video cable...

Page 24: ...e the remote control to shock or liquids Do not use the remote control in an area with high humidity Do not place the remote control in direct sunlight Do not place objects such as furniture between the remote control and the remote sensor The remote control may not work if direct sunlight or bright light shines on the remote sensor Either move your TV or change the angle at which you use the remo...

Page 25: ...ove the back cover from the unit 2 Remove the Pedestal Lay down the unit so that rear cover faces upward Remove the four screw from the rear cover indicated with Then remove the pedestal 3 Remove the power module Remove the four screws indicated on the 5 Remove the speaker Remove the four screws take out the speaker ...

Page 26: ...he whole machine includes Packaging subassembly Front frame subassembly Back cover subassembly Screen bracket subassembly Base subassembly LCD panel Power assembly PSU Wire subassembly Components List NO Name Description Parts number 1 Accessory 2 Packaging 3 TV Set 3 1 Base subassembly 3 2 Back cover subassembly 3 3 Screen bracket module 6 Remove the remote control board Remove the two screws tak...

Page 27: ... JSK4228 050 3 4 LCD PANEL T315XW02_VL 3 5 Front cabinet subassembly 6 2 Base subassembly NO Name Description Parts number 1 support stand assembly 2 Support stand subassembly 2 1 Base cover 2 2 Iron soleplate 2 3 Base support Board 2 4 Rubber PAD 3 Bolt GB9074 4 88 M4X12 ...

Page 28: ... assembly 2 1 Back cabinet subassembly 2 2 Side av label PVC 0 5mm 103 5 21mm 0 5 2 3 Back jack label 2 4 Screw SJ2824 87 ST4X12F Black 6 4 Screen bracket subassembly 1 2 Components List NO Name Description Parts number 1 Flat panel bracket assembly 2 Flat panel bracket subassembly ...

Page 29: ...6 5 Front frame subassembly 1 2 3 2 1 2 2 4 Components List NO Name Description Parts number 1 Front cabinet assembly 2 Front cabinet subassembly 2 1 Speaker 2 2 Keypad board 3 Screw 4 Remote controlBoard ...

Page 30: ...m PH 4 3 LVDS wire 4 12V Power wire TJC3 7P 600mm TJC3 2P 5 Remote control wire PH 5 500 PH 5 6 Key wire PH 3 800mm PH 3 7 Speaker wire RoHS TJC3 4Y 800mm D187T 8 Side AV wire PH 5 300 PH 5 9 18v Power wire TJC3 4P 350mm TJC3 4P 7 MEASUREMENTS AND ADJUSTMENTS The way to the factory mode menu 1st press the manu button 2en input 8893 Finished these operations system will be into the factory mode men...

Page 31: ...31 2 Video 3 Audio 4 Channel ...

Page 32: ...32 5 Gamma 6 BackLight ...

Page 33: ...33 7 Function 8 BLOCK DIAGRAM AND CIRCUIT DIAGRAM 8 1 BLOCK DIAGRAM 8 2 CIRCUIT DIAGRAM MTK5380 ...

Page 34: ...L1 AR1 HDMIL R_IN TPA1301 U17 U18 5V 12V 0 8 x 1 12K 2 2K 5 1V HDMI2 V1 C 1 15 INDEX MAIN POWER NUSTC_5380P1_V2_FOR HAIER Title Size Document Number Rev Date Sheet of Drawn 3V3SB 5VSB 12V OPWRSB 5V OIRI OPCTRL3 ADIN2 ADIN1 LED_GRE OPCTRL3 ADIN1 ADIN2 GND LED_GRE LED_RED ADIN2_K1 ADIN1_K0 LED_CTL LED OPWRSB OIRI IR_IN ADIN2_K1 ADIN1_K0 ON OFF GPIO_3 12V 5V IR_IN LED_RED 3V3SB 2 4 7 8 9 13 12V 3 9 1...

Page 35: ...5 6 7 8 GND SD VSENSE VREF VDDQ AVIN PVIN VTT R519 100K R0603 SMD R2 2K R0603 SMD R1 110 R0603 SMD CB64 0 1uF C0603 SMD U11 LT1084 TO 252 3 TO 252 3 SMD 3 1 2 IN ADJ GND OUT R11 180 R0603 SMD C301 NC 100nF C0603 SMD U1 AZ1117 adj SOT223 SMD 1 2 3 0 ADJ GND OUT IN OUT CE33 470uF 16V C470UF16V D8H9 R5 750 R0603 SMD CB33 0 1uF C0603 SMD CB8 0 1uF C0603 SMD CE2 100uF 16V C100UF16V D6 3H7 R6 4 7K R0603...

Page 36: ...96 220uF 16V C220UF10V D6 3H7 R14 180 R0603 SMD CB228 0 1uF C0603 SMD CB197 0 1uF C0603 SMD R19 0 R0603 SMD C575 1uF C0603 SMD CB229 0 1uF C0603 SMD CE19 470uF 16V C470UF16V D10H9 CE22 100uF 16V C100UF16V D6 3H7 C573 1uF C0603 SMD CE83 100uF 16V C100UF16V D6 3H7 CE30 100uF 16V C100UF16V D6 3H7 U7 AZ1117 adj SOT223 SMD 1 2 3 0 ADJ GND OUT IN OUT CE28 100uF 16V C100UF16V D6 3H7 U37 BA178M09FP TO 252...

Page 37: ...C0603 SMD R22 47K R0603 SMD R198 10K R0603 SMD R40 4 7K R0603 SMD C22 1uF C0603 SMD R27 1 R0603 SMD CB2 0 1uF H3 HOLE GND 2 3 4 5 9 8 7 6 1 2 3 4 5 9 8 7 6 1 FB17 FB BEAD SMD 0603 R42 10 Q1 2N3904 SOT23 SMD 1 3 2 R199 NS 10K R0603 SMD R25 1K R0603 SMD CB70 0 1uF C0603 SMD R21 220 R0603 SMD Y1 60MHz CRYS 49US P4 88 R18 0 R0603 SMD R30 33 R0603 SMD R44 470 R1886 10K R0603 SMD R15 0 R0603 SMD R35 NS ...

Page 38: ...T NC or IF_AGC Mon NC or B2_Ana_ 5V TU_ 32V GND GND SCL SDA AS B_IF O P D_IF_AGC NC D_IF_O P_1 D_IF_O P_2 CB450 NS 100pF C0603 SMD C41 1uF C0603 SMD C42 0 01uF C0603 SMD C70 10nF C0603 SMD CE38 100uF 16V C100UF16V D6 3H7 R34 5 1K 1 R0603 SMD FB34 FB BEAD SMD 0805 R1159 220K R0603 SMD C75 10nF C0603 SMD QF1 2N7002LT1 SOT23 SMD 1 3 2 C57 4 7uF 10V C0805 SMD R1629 0 R0603 SMD L3 FB BEAD SMD 0805 C31 ...

Page 39: ...C0402 SMD RA8 75 R0603 SMD RNA4 47x4 RN0402 SMD 1 2 3 4 5 6 7 8 RA7 75 R0603 SMD RNA6 47x4 RN0402 SMD 1 2 3 4 5 6 7 8 RA14 100 R0603 SMD CA27 0 1uF C0603 SMD UA1 16M x 16 DDR TSOP 66 TSOP66 SMD 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 VDD DQ0 VDDQ DQ1 ...

Page 40: ...R0603 SMD R45 4 7K R0603 SMD R54 10K R0603 SMD R61 4 7K R0603 SMD U17 M25P16 NS CASON8 SMD 1 2 3 4 5 6 7 8 S_ Q W_ VPP VSS D C HOLD_ VCC R1703 100R R0603 SMD R1705 100R R0603 SMD R1227 NC 4 7K R0603 SMD CB452 0 1uF C0603 SMD CB52 0 1uF C0603 SMD R197 NC 10K R0603 SMD RN5 10K RN0603 SMD 1 2 3 4 5 6 7 8 CA36 4 7uF 10V C0805 SMD CA37 0 1uF C0603 SMD CB53 0 1uF C0603 SMD CA39 0 1uF C0603 SMD C45 1uF C...

Page 41: ...PESD1206Q 140 PESD1206Q 140 SMD 1 2 3 4 5 6 7 8 R2116 68R R2050 0 C720 100nF R2113 100K R2092 100 NC R2065 1K NS R2080 47K C725 100nF CN2 HDMI HAIER 20 21 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 22 23 SHELL1 SHELL2 D2 D2 Shield D2 D1 D1 Shield D1 D0 D0 Shield D0 CK CK Shield CK CE Remote NC DDC CLK DDC DATA GND 5V HP DET SHELL3 SHELL4 R2081 100 NC C723 100nF R2078 4 7K R2034 20K SMD R0603 ...

Page 42: ...SMD 1 3 2 R2106 100 Q29 2N3904 SOT23 SMD 1 3 2 R2096 NS 0 R123 100K R0603 SMD L132 FB R1206 SMD U76 AP1530 SOP 8 SOP8 SMD 1 2 3 4 5 6 7 8 FB EN OCSET Vcc O P O P Vss Vss CE72 100uF 16V C100UF16V D6 3H7 R2105 100 R401 10K R0603 SMD FB12 NC R1206 SMD Q28 2N3904 SOT23 SMD 1 3 2 C85 1uF C0603 SMD R2102 10K R2072 4 3K R0603 SMD U13C MT5380 SMD LQFP LQFP256 SMD 5380 244 243 242 241 239 238 237 236 235 2...

Page 43: ...MD C353 15pF C0603 SMD R1640 75 R0603 SMD R1836 10K R0603 SMD R1636 68 R0603 SMD R1878 1K R0603 SMD C636 4 7uF 6 3V C0603 SMD R1842 10K R0603 SMD R36 22 R0603 SMD D157 NS EZJZ0V800AA ESD0603 SMD 1 2 R1831 75 R0603 SMD R1830 NC 0 R0603 SMD R153 20K R0603 SMD R1848 10K R0603 SMD D160 NS EZJZ0V800AA ESD0603 SMD 1 2 w red P76 RCA2X1 RCA2 HAIER 1 3 5 4 2 R1833 75 R0603 SMD R1203 75 R0603 SMD C357 10nF ...

Page 44: ...EAD SMD 0603 C135 10nF C0603 SMD D31 NS EZJZ0V800AA ESD0603 SMD 1 2 R169 68 R0603 SMD R160 0 R0603 SMD R181 0 R0603 SMD R171 75 R0603 SMD R182 10K R0603 SMD C137 5pF C0603 SMD R161 0 R0603 SMD FB69 80 100MHz BEAD SMD 0603 w red P82 RCA2X1 RCA2 HAIER 1 3 5 4 2 C136 10nF C0603 SMD D23 NS EZJZ0V800AA ESD0603 SMD 1 2 C141 5pF C0603 SMD R196 0 R0603 SMD R166 100 R0603 SMD CB161 0 1uF C0603 SMD R186 100...

Page 45: ... IND SMD 0603 C459 47pF C0603 SMD R1525 47 R0603 SMD R79 100 R0603 SMD D147 NS EZJZ0V800AA ESD0603 SMD 1 2 C111 NS 43pF C0603 SMD w red P80 RCA2X1 RCA2 HAIER 1 3 5 4 2 R1560 100 R0603 SMD C567 10nF C0603 SMD CB163 0 1uF C0603 SMD R1858 47 R0603 SMD R1882 1K R0603 SMD CB162 0 1uF C0603 SMD CE47 470uF 16V C470UF16V D10H9 C536 47pF C0603 SMD D197 NS EZJZ0V800AA ESD0603 SMD 1 2 TP115 TP SMD D0 6 R1216...

Page 46: ...K 7 GPIO_ 4 11 4 8 9 14 15 OPCTRL1 4 11 3V3SB 1 2 4 7 8 9 AR2 14 AL2 14 HPDET 14 AIN3_L 10 AIN3_R 10 5VSB 1 2 11 15 GND 1 2 3 4 5 6 7 8 9 10 11 12 14 15 A0SDATA0 9 AOMCLK 9 AV33 AV33 AV33 AV33 AV33 3V3SB CB171 0 1uF C0603 SMD U13G MT5380 SMD LQFP LQFP256 SMD 5380 179 178 177 176 175 174 173 172 171 183 181 182 180 203 200 201 202 198 188 187 191 189 192 184 190 186 185 170 AIN0_L AIN0_R AIN1_L AIN...

Page 47: ...6H11 C659 4 7uF 6 3V C0603 SMD CE20 220uF 16v C220UF16V D6H11 R1800 10K R0603 SMD C40 1uF C0603 SMD C167 2 2nF R64 R1766 20K R0603 SMD CB981 0 1uF C0603 SMD R1767 20K R0603 SMD D16 NS 1N4148 1N4148 SMD C170 10uF 6 3V R1206 C702 4 7uF 6 3V C0603 SMD C660 4 7uF 6 3V C0603 SMD C35 1uF C0603 SMD R1867 20K R0603 SMD C585 1uF C0603 SMD R279 470 R0603 SMD R1616 1K R0603 SMD R1808 10K R0603 SMD R298 5 1K ...

Page 48: ...1781 4 7K_DNS R0603 SMD C681 0 22uf C0603 SMD C665 0 22uf C0603 SMD R1785 470 R0603 SMD 1 2 R1773 39K R0603 SMD R1777 4 7K R0603 SMD CE630 47uF 16V C47UF16V D5H7 1 2 R1784 NC R0603 SMD 1 2 C671 1500P C0603 SMD D175 1N4148 1N4148 SMD C672 1uF C0603 SMD Q62 MMBT3904 SOT23 1 2 3 C664 0 1uF C0603 SMD C689 0 47uF 50V C DIP C687 0 1uF 50V C DIP R1782 NC R0603 SMD 1 2 D176 1N4148 1N4148 SMD HTQFP48 U50 T...

Page 49: ......

Page 50: ...50 10 TROUBLE SHOOTING GUIDE 10 1 Simple check 10 1 1 LCD is not bright 10 1 2 No picture ...

Page 51: ...1 10 1 3 No sound First check cables which connect with PSU then check as follows 1 Check input voltage as NO picture 2 Check speaker output 10 2 PSU failure check State No power First check cables which connect with PSU then check as follows 1 Check PSU input voltage AC input CON1 2 Check PSU output voltage orderly CON2 ...

Page 52: ...ry line TCP H L D Horizontal line light or dark forever Block Defect TCP cracking or cracking Dim or L D TCP Sunken TCP lead cracking ACF bonding short Awful environment and something electric enter into LCD Mis align between TCP and Panel Panel failure TCP failure Failure Mode Part Name Description Phenomena Failure cause Panel or Polarlzer Dot Defect Bright dot dark dot in panel Incoming Inspect...

Page 53: ...jointing bad 3 Panel and VSC connect bad Failure Mode Part Name Description Phenomena Failure cause White Screen B L normal only white screen display Black Screen B L normal only Black screen display Maybe caused by surge current and EDS FIIcker Crosstalk LCD Vcom imbalance Abnormal Color Only color abnormal Capacitance improper bring crosstalk inside LCD panel Circuit Abnormal Color Only color ab...

Page 54: ...eration abnormal or systemic noise B L wire open Without backlight Operation abnormal or systemic noise B L shut down B L shutdown in sometime Short between lamp housing and wire Because consume power too much F M F M in B L white back Rotundity or wire like F M in B L unit Failure Mode Part Name Description Phenomena Failure cause Light leakage Brightness at bottom of LCM brighter than normal B L...

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