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9-4. Pannel Failure

Failure Mode

Part

Name

Description

Phenomena

Failure cause

TCP

V B/D

Vertical bar

Block Defect :TCP

cracking or cracking

Dim or L/D :TCP

Sunken

:TCP

lead cracking

:ACF bonding short

:A

wful environment and

something electric enter

into LCD

:Mis-align between

TCP

and

Panel

:Panel failure

:TCP

failure

V Dim

Vertal gray line

V L/D

Ve

rti

ca

l c

ol

or

li

ne

(li

gh

t

or

dark forever)

H B/D

Horizontal bar

H Dim

Horizontal gary line

H L/D

H

or

iz

on

ta

l

lin

e(

lig

ht

o

r

dark forever)

Service Manual

Model No.: HL42XLE2

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Summary of Contents for HL32LE2

Page 1: ...ervice a product Products powered by electricity should be serviced or repaired only by experienced professional technicians Any attempt to service or repair the product or products dealt with in this service information by anyone else could result in serious injury or death Haier Group 2009 Qingdao Haier Electronics Co Ltd All rights reserved Unauthorized copying and distribution is a violation o...

Page 2: ...to Read this Service Manual 6 1 4 1 Using icons 6 Chapter 2 Specification 2 1 Specification list 8 2 2 External pictures four faces 9 Chapter 3 Disassemble and Assemble 3 1 Remove the Stand 11 3 2 Remove the Back Cover 11 3 3 Remove the Adhesive Tape 11 3 4 Remove the Terminal Bracket 11 3 5 Remove the Power Supply Module 12 3 6 Remove the Mainboard 12 3 7 Remove the Small Power Board 12 3 8 Remov...

Page 3: ...ols 26 6 3 Setting Up Your Remote Control 27 Chapter 7 Electrical Parts 7 1 Block Diagram 29 7 2 Circuit Diagram 30 7 3 Wiring Connection Diagram 31 8 1 Service Mode 32 8 1 1 How to enter into Service Mode 32 8 1 2 How to exit 32 8 2 Measurements and Adjustments 32 8 2 1 Version S N Panel Resoution 32 8 2 2 Video 33 8 2 3 Audio 34 8 2 4 Channel 34 8 2 5 Gamma 36 8 2 6 Backlight 36 8 2 7 Function 3...

Page 4: ...ow the regulations and warnings Most important thing is to list up the potential hazard or risk for the service personnel to open the units and disassemble the units For example we need to describe properly how to avoid the possibility to get electrical shock from the live power supply or charged electrical parts even the power is off This symbol indicates that high voltage is present inside It is...

Page 5: ...ior to applying power to the unit under test 2 After removing an electrical assembly equipped with ES devices place the assembly on a conductive surface such as aluminum foil to prevent electrostatic charge buildup or exposure of the assembly 1 3 4 About lead free solder PbF This product is manufactured using lead free solder as a part of a movement within the consumer products industry at large t...

Page 6: ...90 99 strength CAUTION This is a flammable mixture Unless specified otherwise in this service manual lubrication of contacts is not required Capacitors may result in an explosion hazard 5 Do not defeat any plug socket B voltage interlocks with which receivers covered by this service manual might be equipped 6 Do not apply AC power to this instrument and or any of its electrical assemblies unless a...

Page 7: ...rcuit assembly into which the device will be installed CAUTION Be sure no power is applied to the chassis or circuit and observe all other safety precautions 17 Minimize bodily motions when handling unpackaged replacement ES devices Otherwise harmless motion such as the brushing together of your clothes fabric or the lifting of your foot from a carpeted floor can generate static electricity suffic...

Page 8: ...e but may nevertheless be valuable to the reader such as tips and tricks Caution A caution is used when there is danger that the reader through incorrect manipulation may damage equipment loose data get an unexpected result or has to restart part of a procedure Warning A warning is used when there is danger of personal injury Reference A reference guides the reader to other places in this binder o...

Page 9: ...s 181 OSD Language English Color System NTSC Audio System DK BG I M L L Audio Output Power Built in W 10W 2 Audio Output Power outer W No Total Power Input W 70W Voltage Range V AC100V 240V Power Frequency Hz 50 60Hz Time of Sleep Timer MINS 120Min Net Weight KG 11 5 Gross Weight KG 14 5 Net Dimension MM 788 4 42 507 8 Packaged Dimension MM 1063 225 630 Chapter 2 Specification 2 1 Specification li...

Page 10: ...Service Manual Model No HL42XLE2 9 2 2 External pictures four faces Front Side Left Side ...

Page 11: ...Service Manual Model No HL42XLE2 10 Right Side Back Side ...

Page 12: ...ated with the circles in the picture above 3 Remove the stand 3 2 Remove the Back Cover 1 Remove the ten screws indicated See picture right 2 Then remove the back cover from the unit 3 3 Remove the Adhesive Tape The location of the adhesive tape is shown below Remove the adhesive tape Remove the six screws indicated by the red circles in the picture See next page Service Manual Model No HL42XLE2 1...

Page 13: ...ower Board Remove the two screws indicated by red circles in below picture Disconnected the coupler J101 and J1 Remove the small power board Disconnected the coupler CN1 CN2 CN3 CN4 CN5 CN7 J25 Remove the Mainboard 3 8 Remove the Speaker Remove the two screws indicated by the red circles in below picture Take out the speakers 3 9 Remove the Remote Control Board Remove the o ne screws indicated by ...

Page 14: ...on of Controls and Components 4 1 Board Location No Parts number Description A Board DC1CU0E0100M Mainboard Assembly 0090725996 B Board 0094001839 Power Board 4 2 Main Board AV Board Service Manual Model No HL42XLE2 13 ...

Page 15: ... 7 5V_STB Notes CN17 Pin 12 Backlight on off The system can turn on or turn off the backlight of TFT LCD Panel through the power supply unit path CN17 Pin 10 System power on standby System board will use this pin to control system power CN17 Pin 8 Control the luminance of backlight The system can generate the PWN signal to control the strength of TFT LCD Panel s backlight through this connector Pi...

Page 16: ...onnector CNE2 Pin number Signal name Description 1 GND GND 2 KEY0 KEY0 3 KEY1 KEY1 4 3 3VS 3 3V Other connectors CN19 to Upgrade the program of ZORAN745 U1 AND FLASH U3 4 3 Power Supply Board R11 4 7K R9 4 7K CNB2 PH3 4A 1 2 3 4 VCC3_3 VCC3_3 UART0RX UART0TX Service Manual Model No HL42XLE2 15 ...

Page 17: ...LOGY CO LTD AND SHALL NOT BE REPRODUCED OR USED AS THE BASIS FOR THE MANUFACTURE OR SELL OF APPARATUSES OR DEVICES WITHOUT PERMISSION 8 10 8 Pin Connection Table 10 CN1 Connection And Function No 1 2 3 Table 11 CN2 Connection And Function Pin 1 3 5 7 9 11 Note CN2 12PIN 2 0mm Table CN Connection And Function No 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Note CN3 Pitch 2 0mm DESCRIPTION SPECIFICATION Model N...

Page 18: ...O internal test 11 GND Ground and Signal Return for LVDS 12 RIN0 LVDS Channel 0 negative 13 RIN0 LVDS Channel 0 positive 14 GND Ground and Signal Return for LVDS 15 RIN1 LVDS Channel 1 negative 16 RIN1 LVDS Channel 1 positive 17 GND Ground and Signal Return for LVDS 18 RIN2 LVDS Channel 2 negative 19 RIN2 LVDS Channel 2 positive 20 GND Ground and Signal Return for LVDS 21 RCLK LVDS Clock negative ...

Page 19: ... 24V DC regulated 6 BLGND Ground and Current Return 7 BLGND Ground and Current Return 8 BLGND Ground and Current Return 9 BLGND Ground and Current Return 10 BLGND Ground and Current Return 11 DET BLU status detection Normal 0 0 8V Abnormal Open collector 12 VBLON BL On Off control BL On High Open 2 0V 5 5V BL off Low 0 0 8V GND 13 NC AUO Internal Use 14 PDIM External PWM 10 100 Duty open for 100 N...

Page 20: ...nect to wall antenna socket Wall Antenna Socket RF Coaxial Wire 75 ohm Single family Dwellings Houses Connect to wall jack for outdoor antenna Outdoor Antenna To improve the picture quality in a poor signal area please purchase a signal amplifier and install properly If the antenna needs to be split for two TV s install a 2 Way Signal Splitter in the connections To install the antenna properly ple...

Page 21: ... using the C INPUT button on the remote control and then press 5 6button to select the source press ENTER button to confirm External A V Source Setup How to connect Connect the audio and video cables from the external equipment s output jacks to the TV input jacks as shown in the figure When connecting the TV to external equipment match the jack colors Video yellow Audio Left white and Audio Right...

Page 22: ...p 1080i How to connect Use the TV s COMPONENT VGA or HDMI jack for video connections depending on your set top box connector Then make the corresponding audio connections How to use Turn on the digital set top box Refer to the owner s A manual for the digital set top box Use INPUT on the remote control to select B COMPONENT VGA or HDMI source Connecting a digital audio output Send the TV s audio t...

Page 23: ... The synchronization input form for Horizontal and R Vertical frequencies is separate Resolution Y Mode Resolution Frame frequency Hz VGA 640 480 60Hz SVGA 800 600 60Hz 75Hz XGA 1024 768 60Hz 75Hz HDMI and DVI input When the source device DVD player Bluray player or Set Top Box supports HDMI How To Connect Connect the source device to the HDMI port of A this TV with an HDMI cable not supplied with...

Page 24: ...out disturbing the other people in the room 2 8 5 5 Plug a set of headphones into the 3 5mm mini jack socket on the side panel of the set Note Prolonged use of headphones at a high volume R may damage your hearing You will not receive sound from the speakers when R you connect headphones to the system Power source TO USE AC POWER SOURCE Use the AC polarized line cord provided for operation on AC I...

Page 25: ...ess the input source mode Press repeatedly to change the source to the one you want to watch 3 VOL Press to adjust the volume In the MENU screen these buttons serve 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 theTV 6 Remote Sensor Rece...

Page 26: ... these jacks 5 HDMI In Connect a HDMI device to receive digital audio and uncompressed digital video 6 Video In Connect a component composite video device to these jacks 7 AUDIO In Connect the audio L R cables from the composite video signal source to these jacks 8 Antenna Input Connect cable or antenna signals to theTV either directly or through your cable box 9 AUDIO Out ConnecttheaudioL Rcables...

Page 27: ...B Press to switch input source to USB in B MTS SAP Selects MTS sound Mono Stereo and SAP in Analog mode Change the audio language in DTV mode C GUIDE Press to display the guide when you are watching analog or digital channels D CCD closed caption Select a closed caption E HDMI Press to select a device connected to the HDMI input F PC Press to select the computer connected to theVGA input G Number ...

Page 28: ...rads and are 10 25V ceramic X7R 0402 form factor All inductors are listed in microhenries and are 5 non wound 0603 form factor Signal Ports and Off Page Connectors are Global and transition between sheets 5 Signal Names without Signal Ports or Off Page Connectors are Local and only connect like named signals on the same sheet Notes unless otherwise specified 1 2 3 4 All resistors are listed in ohm...

Page 29: ..._DQ6 AA8 S0_DQ7 AA13 S0_DQ8 AB15 S0_DQ9 AB10 S0_DQ10 AB16 S0_DQ11 AB9 S0_DQ12 AA9 S0_DQ13 AA16 S0_DQ14 AA10 S0_DQ15 AA15 S0_BA2 AA5 S0_UDM AA11 S0_LDM AB11 S0_VREF U13 RDRIVER50 V17 RTERM U17 S0_A0 AA20 S0_A1 AB3 S0_A2 AB21 S0_A3 AA3 S0_A4 AA21 S0_A5 AB2 S0_A6 AB22 S0_A7 AA2 S0_A9 AA1 S0_A10 AA4 S0_A11 AA22 S0_A12 AB1 S0_BA0 AB5 S0_BA1 AB4 S0_UDQSN AA14 S0_UDQS AB14 S0_LDQSN AA17 S0_LDQS AB17 S0_R...

Page 30: ...3 08V SOT 23 U4 SGM809TXN3 3 08V SOT 23 GND 1 RESET 2 VCC 3 TP4 TP4 R18 47R R18 47R M10 M10 CN16 USB CON CN16 USB CON __VBUS 1 __D 2 __D 3 __GND 4 GND 5 GND 6 M2 M2 Y1 25MHz Y1 25MHz TP1 TP1 R21 4 7K R21 4 7K R13 4 7K R13 4 7K R14 4 7K R14 4 7K R17 1K_DNS R17 1K_DNS D1 ESD 0402 D1 ESD 0402 M3 M3 R5 4 7K R5 4 7K M4 M4 C23 0 1uF C23 0 1uF R4 4 7K R4 4 7K R6 4 7K R6 4 7K SIO I F EJTAG UART I2C SPI 25...

Page 31: ...K R29 47K D20 ESD_0402_10pF D20 ESD_0402_10pF 1 2 D24 ESD_0402_0 15pF D24 ESD_0402_0 15pF 1 2 R58 33K R58 33K C31 10nF C31 10nF R27 47K R27 47K D29 D29 1 2 D42 ESD_0402_0 15pF D42 ESD_0402_0 15pF 1 2 D54 D54 1 2 D16 ESD_0402_0 15pF D16 ESD_0402_0 15pF 1 2 R41 47K R41 47K C32 0 1uF C32 0 1uF D52 ESD_0402_0 15pF D52 ESD_0402_0 15pF 1 2 D31 D31 1 2 CN2 HDMI_con CN2 HDMI_con SHELL1 20 SHELL2 21 D2 1 D...

Page 32: ..._DNS NC 1 NC 2 NC 3 VCC 4 RF_AGC 5 GND 6 SDA 7 SCL 8 AS 9 IFA_OUT 10 NC 11 IF_AGC 12 GND 17 GND 18 GND 15 GND 16 DIF1 13 DIF2 14 R66 10K R66 10K C44 1nF C44 1nF C38 0 1uF C38 0 1uF L4 10uH 300mA_DNS SMD_1005MIL L4 10uH 300mA_DNS SMD_1005MIL 1 2 L8 BLM18AG601SN1D L8 BLM18AG601SN1D C39 470uF 16V C39 470uF 16V L5 10uH 300mA_DNS SMD_1005MIL L5 10uH 300mA_DNS SMD_1005MIL 1 2 L6 BLM18AG601SN1D L6 BLM18A...

Page 33: ...5 C66 0 01uF C66 0 01uF C73 3 9nF C73 3 9nF D59 ESD 0402 D59 ESD 0402 D58 ESD 0402 D58 ESD 0402 R78 0R R78 0R R88 0R_DNS R88 0R_DNS C64 4 7uF C64 4 7uF TP10 TP10 TP7 TP7 D65 ESD 0402 D65 ESD 0402 L11 47R L11 47R R81 75R R81 75R R84 3 3K R84 3 3K D61 ESD 0402 D61 ESD 0402 C67 0 1uF C67 0 1uF C65 1uF C65 1uF C59 0 1uF C59 0 1uF TP11 TP11 R89 100R R89 100R C60 1nF C60 1nF R72 75R R72 75R R82 75R R82 ...

Page 34: ...ocument Number Rev Date Sheet of Component DVD A1 Zoran HD7X5 Ref Platform Rev 1 0 7 18 Monday March 22 2010 Title Size Document Number Rev Date Sheet of Component DVD A1 Zoran HD7X5 Ref Platform Rev 1 0 7 18 Monday March 22 2010 TP12 TP12 R91 75R R91 75R R92 75R R92 75R R L V CN6 RCA AV3 H1 R L V CN6 RCA AV3 H1 5 3 1 2 4 6 R93 75R R93 75R TP13 TP13 D69 ESD 0402 D69 ESD 0402 TP14 TP14 D67 ESD 0402...

Page 35: ... 2 5 6 1 3 4 Audio IN I F U1F ZR39745 Audio IN I F U1F ZR39745 LINE_IN1_L A3 LINE_IN1_R A2 LINE_IN2_L B3 LINE_IN2_R B2 LINE_IN3_L C3 LINE_IN3_R C2 LINE_IN4_L A4 LINE_IN4_R A1 LINE_IN5_L B4 LINE_IN5_R B1 D70 ESD 0402 D70 ESD 0402 C80 1uF C80 1uF D74 ESD 0402 D74 ESD 0402 D71 ESD 0402 D71 ESD 0402 CN21 VGA R L CN21 VGA R L 1 1 2 2 3 3 4 4 5 5 6 6 7 7 R96 22K R96 22K R102 4 7K R102 4 7K TP16 TP16 HD_...

Page 36: ...le Size Document Number Rev Date Sheet of Audio out A1 Zoran HD7X5 Ref Platform Rev 1 0 9 18 Tuesday March 23 2010 ZORAN Confidential ZORAN Confidential Close to U1 Audio OUT I F U1G ZR39745 Audio OUT I F U1G ZR39745 LINE_OUT1_L B5 LINE_OUT1_R A5 LINE_OUT2_L B6 LINE_OUT2_R A6 AC_VCM F7 AC_VREFDAC1 E6 AC_VREFDAC2 E7 AC_VREFADC F6 AC_AGNDREF G7 AC_AVDD H6 SPDIF C8 C88 0 1uF C88 0 1uF R110 1R R110 1R...

Page 37: ...26 DVDD 27 DVSS 28 PVCC_D 40 PVCC_D 41 PGND_CD 37 PGND_CD 38 OUT_D 36 OUT_C 39 PVCC_C 45 BST_C 42 VCLAMP_CD 32 BST_D 33 VREG 31 AGND 30 AVCC 34 BST_A 4 VCLAMP_AB 5 BST_B 43 PVCC_B 44 EPAD 49 PVCC 35 GND 29 OC_ADJ 7 NC 8 SSTIMER 6 R249 2K R249 2K T8 Audio_OUT T8 Audio_OUT 1 1 2 2 3 3 4 4 5 5 6 6 7 7 C465 10uF C465 10uF Q76 MMBT3904 Q76 MMBT3904 1 2 3 C490 47nF C490 47nF L18 600 4 5X3 2 L18 600 4 5X...

Page 38: ...8 RP1B 0x4 RP1B 0x4 2 7 R166 4 7K_dns R166 4 7K_dns 1 2 RP1A 0x4 RP1A 0x4 1 8 Q10 MMBT3904 Q10 MMBT3904 1 2 3 R173 4 7K R173 4 7K R171 NC R171 NC RP4B 0x4 RP4B 0x4 2 7 R176 10K R176 10K RP4A 0x4 RP4A 0x4 1 8 RP6C 0x4 RP6C 0x4 3 6 R177 10k R177 10k RP5B 0x4 RP5B 0x4 2 7 C143 4 7uF 10V_NM C143 4 7uF 10V_NM RP3D 0x4 RP3D 0x4 4 5 R185 10K R185 10K R168 4 7K R168 4 7K 1 2 R169 0R_DNS R169 0R_DNS 1 2 RP...

Page 39: ...IO I F A1 Zoran HD7X5 Ref Platform Rev 1 0 12 18 Thursday May 06 2010 Bootstrap Configuration Please note this section can not be removed GPIO1 0 GPIO0 0 from SPI boot GPIO1 0 GPIO0 1 from UART boot GPIO1 1 GPIO0 0 from NAND8 LP boot GPIO1 1 GPIO0 1 from NAND8 SP boot U1 H19 G PIO HEADPHONE_PLUG 10 03 19 U1 J21 V GA_UART_ON OFF I2S_MCLK 10 03 19 U1 H22 G ND VGA_UART_ON OFF 10 03 19 R187 4 7K R187 ...

Page 40: ...JTAG6 6pin 2 0mm 1 1 2 2 3 3 4 4 5 5 Q13 MMBT3904 Q13 MMBT3904 CNE2 Key CNE2 Key 1 2 3 4 TP35 TP35 R202 10K R202 10K R201 10K R201 10K R194 100 R194 100 C149 47pF C149 47pF TP36 TP36 R199 0_DNS R199 0_DNS R195 10K R195 10K MCU I F U1J ZR39745 MCU I F U1J ZR39745 ADC8_IN0 L1 ADC8_IN1 L2 ADC8_IN2 L3 ADC8_IN3 M2 ADC8_IN4 M3 IRR T1 WDT_EN P1 INT0_N GPIO_TVP13 HDMI2_HPD P4 INT1_N GPIO_TVP23 P3 INT2 GPI...

Page 41: ... 1uF C171 0 01uF C171 0 01uF C181 1nF C181 1nF C186 0 01uF C186 0 01uF C160 4 7uF C160 4 7uF C187 1uF C187 1uF C162 1uF C162 1uF C153 1nF C153 1nF C184 0 01uF C184 0 01uF C170 1uF C170 1uF L25 GZ1608D601 L25 GZ1608D601 C152 0 1uF C152 0 1uF C178 0 01uF C178 0 01uF C192 0 01uF C192 0 01uF C167 1nF C167 1nF L28 GZ1608D601 L28 GZ1608D601 C189 4 7uF C189 4 7uF POWER U1K ZR39745 POWER U1K ZR39745 IOVDD...

Page 42: ... GND33 M14 GND34 M15 GND35 N9 GND36 N10 GND37 N11 GND38 N12 GND39 N13 GND40 N14 GND41 N15 GND42 P9 GND43 P10 GND44 P11 GND46 P13 GND47 P14 GND49 E13 GND50 E14 GND51 Y9 GND52 Y10 GND53 Y11 GND54 Y12 GND55 Y13 GND56 Y14 GND57 Y15 L32 15uH 3A L15UH_SMD L32 15uH 3A L15UH_SMD 1 2 C204 470uF 16V C204 470uF 16V C193 1uF C193 1uF R214 27K_1 R214 27K_1 C201 0 1uF C201 0 1uF U10 MP1482 U10 MP1482 EN 7 FB 5 ...

Page 43: ..._1 R219 2 7K_1 R228 180R_1 PCB Footprint R0603 R228 180R_1 PCB Footprint R0603 R224 0 R224 0 U14 LM1117MPX ADJ SOT223 U14 LM1117MPX ADJ SOT223 OUT 2 IN 3 ADJ 1 TAB 4 R215 100K R215 100K C221 100uF 16V C221 100uF 16V 1 2 R225 110R_1 PCB Footprint R0603 R225 110R_1 PCB Footprint R0603 R216 12K_1 R216 12K_1 C215 0 1uF C215 0 1uF C225 0 1uF C225 0 1uF U12 AP1084 ADJ 252 U12 AP1084 ADJ 252 OUT 2 IN 3 A...

Page 44: ...OUT 3 BST 1 GND 4 SS 8 COMP 6 QC LABEL LABEL2 NC QC LABEL LABEL2 NC Q20 MMBT3904 Q20 MMBT3904 1 2 3 R244 4 7K R244 4 7K C238 100uF 16V C238 100uF 16V 1 2 H12 PAD H12 PAD 1 2 3 4 5 6 R230 10K R230 10K C260 0 1uF C260 0 1uF C255 560pF C255 560pF R237 10K R237 10K H6 PAD H6 PAD 1 2 3 4 5 6 7 8 9 Q25 MMBT3904 Q25 MMBT3904 1 2 3 C261 0 1uF C261 0 1uF R231 2K R231 2K R260 0_DNS R260 0_DNS R233 4 7K R233...

Page 45: ...e high LCD_ON GPOIs Table GPIO Pin Table Active low SPI_WEN Note USB power on off LCD_POWER_ON SPI flash protection control System power control AMP standby control GPIO_TVP24 AMP mute control AUD_AMP_MUTE AMP_STB GPIO_TVP23 POWER_CTL2 POWER_CTL1 GPIO_TVP0 ZORAN Confidential Active low Active high BL on off Active low System power control Active high Active high Active high GPIO_P6 GPIO_P14 GPIO_P...

Page 46: ...d e l Customer Model H L 3 2 L E 2 LEA32A300 HAC 5 6 7 Keypad board R e m o t e p a n e l s u b a s s e m b l y P o w e r 3 Brand Haier CON1 CON2 CON3 C N 1 7 CON2 C N 1 4 C N 1 1 CNE1 CNE2 1 7 2 2 3 4 5 Power wire 0090403211 L V D S W I R E 0090402070C 0090400647K Speaker wire Remote wire 0090401643C Keypad wire 0090402553A Power supply wire 0090402846 Connection wire 0 0 9 0 4 0 2 8 7 9 1 2 3 4 ...

Page 47: ...tem will be into the factory mode menu when 3 steps above are done 8 1 2 How to exit If you want to exit this factory menu please press the button Menu on the remote 8 2 Measurements and Adjustments 8 2 1 Version S N Panel Resoution Version info The first item is the Model Name and the second one is current software version See picture on the next page Service Manual Model No HL42XLE2 46 ...

Page 48: ...Color The option could only be used in the VGA and Component model When we found the color in the two models was abnormal Then we can use the function to adjust it automatically Service Manual Model No HL42XLE2 47 ...

Page 49: ...8 2 3 White balance Color tempreture 8 2 4 Picture Mode Service Manual Model No HL42XLE2 48 ...

Page 50: ...8 2 5 Audio mode 8 2 6 Aging mode Service Manual Model No HL42XLE2 49 ...

Page 51: ...8 2 7 Power on mode 8 2 8 Reset to default Service Manual Model No HL42XLE2 50 ...

Page 52: ...8 2 9 Reset all setting to default Service Manual Model No HL42XLE2 51 ...

Page 53: ...ify if correct channel is selected Adjust the antenna Make adjustments by Fine Tune and MANUAL Scan No color for some channel program black and white Verify if the same problem exists in other channels check out of picture and sound system Refer to relative instructions in the Manual for color adjust Spots with some or all pictures Verify if the antennal is correctly connected Verify if the antenn...

Page 54: ... D S ource Re soldering or change IC U13 Check the input output Of IC U55 of Main B D S ource Re soldering or change IC U55 Check the input output Of IC U2 of Main B D S ource Re soldering or change IC U2 Check the Speaker Change the Speaker Check the Sperker wire Fail Pass Fail Fail Fail Fail Pass Pass Pass Pass Service Manual Model No HL42XLE2 53 ...

Page 55: ...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 V Dim Vertal gray line V L D Vertical color line light or dark forever H B D Horizontal bar H Dim Horizontal gary line H L D Horizontal line light or dark forever Service Manual Model No HL42XLE2 54 ...

Page 56: ...er Bladder between Polarizer and top glass Polarizer Scratch Polarizer Scratch Tine or rigidity arose F inside Polarizer Eyewinker inside Polarizer Eyewinker inside Polarizer Circuit Abnormal Display Abnormal Display 1 Chip lose action 2 IC ahort or jointiog bad 3 Pannel and vsc connect bad Flashing Bright and dark display alternately Service Manual Model No HL42XLE2 55 ...

Page 57: ...nt and EDS Black Screen B L normal only Black screen display FIIcker Crosstalk LCD Vcom imbalance Abnormal Color Only color abormal Capacitance improper bring crosstalk inside LCD pannel Abnormal Color Only color abnormal 1 Chip lose action 2 IC short or jointion bad 3 Pannel and vsc connect bad Service Manual Model No HL42XLE2 56 ...

Page 58: ...wire and electrode B L dark B L brightness darker than normal Connect badnessShort between wire and electrode B L wire damaged B L wire damaged Operation 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 bitween lamp housing and wire Because consume power too much F M F M inB L white balck Rotundity or wirel...

Page 59: ...lcal or B L Light leakage Brightness at bottom of LCM brighter than normal B L unit badness Uniformity B L brightness asymmetric Sheet in B L unit is uneven Mount hole Lack screw or screw damage Lack screw Screw damage Service Manual Model No HL42XLE2 58 ...

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