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SERVICE MANUAL

LED TV

MODEL No. 32E2000

This service information is designed for experienced repair technicians only and is not designed for use by the general public.

It does not contain warnings or cautions to advise non-technical individuals of potential dangers in attempting to service 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.

WARNING

Содержание 32E2000

Страница 1: ...ain warnings or cautions to advise non technical individuals of potential dangers in attempting to service 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 WARNING ...

Страница 2: ...mponent Location 8 3 2 Main Board 8 3 3 LED Panel 11 4 Disassembly Procedures 12 5 Accessories 17 6 Installation Instructions 18 6 1 Power Connection 18 6 2 External Equipment Connections 19 7 Operation Instructions 25 7 1 Side Control 25 7 2 Rear Terminals 26 7 3 Using Remote Control 27 8 Electrical Parts 28 8 1 System Block Diagram 28 8 2 Circuit Diagram 29 8 3 Wiring Connection Diagram 35 Table...

Страница 3: ...0 2 9 Measurements and Adjustment 36 9 1 Operation Guide 36 9 2 Factory Mode 43 9 3 Software Update 44 9 4 Hotel Mode 44 10 Troubleshooting 45 10 1 Simple Check 46 10 2 Power supply 47 10 3 Display 49 10 4 Audio 50 10 5 Function 51 ...

Страница 4: ...e part of this product This symbol indicates that there are important operating and maintenance instructions in the literature accompanying the appliance 1 2 2 Be careful to the electrical shock To prevent damage which might result in electric shock or fire do not expose this TV set to rain or excessive moisture This TV must not be exposed to dripping or splashing water and objects filled with wat...

Страница 5: ...ver or any of its assemblies 5 Unless specified otherwise in this service manual clean electrical contacts only by applying the following mixture to the contacts with a pipe cleaner cotton tipped stick or comparable non abrasive applicator 10 by volume Acetone and 90 by volume isopropyl alcohol 90 99 strength CAUTION This is a flammable mixture Unless other specified in this service manual lubrica...

Страница 6: ...d as anti static can generate electrical charges sufficient to damage ES devices 5 Do not use freon propelled chemicals These can generate electrical charges sufficient to damage ES devices 6 Do not remove a replacement ES device from its protective package until immediately before you are ready to install it Most replacement ES devices are packaged with leads electrically shorted together by cond...

Страница 7: ...ibed in the table below Note A note provides information that is not indispensable 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 data loss get an unexpected result or has to restart part of a procedure Warning A warning is used when there is danger of personal...

Страница 8: ...6 1 y a l p s i D r o l o C OSD Language English French Spanish Video Audio System ATSC NTSC M MTS Dimensions with Stand W x H x D 22 82X18 39X7 12 Ib Dimensions w o Stand W x H x D 22 82X16 83X2 72 Ib Weight with Stand 9 79 Ib Weight without Stand 9 71 Ib Wall Mount Pattern H x V 200 x 100 mm Wall Mount Screw Type M6 x 8mm Power Consumption 50 W W 1 y b d n a t S 60HZ V 0 2 1 r e w o P s n i a M ...

Страница 9: ...000 8 3 Location of Controls and Components 3 1 Component Location 3 2 Main Board No Component 1 LED Panel 2 System Main Board 3 4 Left and Right Speakers 5 Panel T Con Board 6 Keypad Board 7 IR LED Board 1 2 3 4 5 6 7 Power cord ...

Страница 10: ... 9 Service Manual Model No 32E2000 3 2 1 Function Description Process signal which incept from exterior equipment then translate into signal that panel can display 3 2 2 Connector Definition ...

Страница 11: ...Service Manual Model No 32E2000 10 ...

Страница 12: ... 11 Service Manual Model No 32E2000 ...

Страница 13: ...Service Manual Model No 32E2000 12 4 Disassembly Procedures 1 Remove the screws securing the back cover Torque 3 8 0 53 kgf cm ...

Страница 14: ... 13 Service Manual Model No 32E2000 2 Detach the back cover from left to right and remove it from the unit 3 Remove all tapes on the cables ...

Страница 15: ... Model No 32E2000 14 4 Disconnect the cables and remove them from the unit 5 Remove the screws securing the main board Speaker side I O cover and bottom I O cover then remove them from the unit Torque 3 8 0 3 kgf cm ...

Страница 16: ... 15 Service Manual Model No 32E2000 6 Delete the speaker stents and press keypad remote control board screw Torque 3 8 0 3 kgf cm 7 Disconnect your screen line and conductive cloth ...

Страница 17: ...Service Manual Model No 32E2000 16 8 Remove the screw and conductive cloth 9 Remove the panel from the front bezel ...

Страница 18: ...32E2000 5 Accessories Remote Control 2 x AAA Batteries User Manual l a n o i t p o d r a C y t n a r r a W USB CC INPUT 1 2 3 4 5 6 7 8 9 0 RECALL MUTE MENU VOL CH BACK DISPLAY EXIT SAP SLEEP WIDE AUDIO PICTURE CH LIST FAVORITE OK ...

Страница 19: ...Service Manual Model No 32E2000 18 6 Installation Instructions ...

Страница 20: ... 19 Service Manual Model No 32E2000 ...

Страница 21: ...Service Manual Model No 32E2000 20 ...

Страница 22: ... Manual Model No 32E2000 Connecting AV Equipment Using HDMI Cable best Note An HDMI cable carries both video and audio You do not need to use any audio cables Using Component Cable better COMPONENT OUT L R Y PB PR ...

Страница 23: ...The component and composite audio and Y jack are shared You can only connect one component or composite device at a time When connecting a composite video source connect the yellow video wire to the Y green jack Connecting A Digital Audio Device COMPOSITE OUT L R VIDEO ...

Страница 24: ... 23 Service Manual Model No 32E2000 Connecting Headphones Note When headphones are inserted the TV speakers will be muted ...

Страница 25: ...Sample Note The cables are not included in the package Connection Type and Jack Cable Connector HDMI video audio Component video requires an audio connection Composite video requires an audio connection Analog audio input Coaxial digital audio ...

Страница 26: ... 25 Service Manual Model No 32E2000 7 Operation Instructions 7 1 Side Control ...

Страница 27: ...Service Manual Model No 32E2000 26 7 2 Rear Terminals ...

Страница 28: ... 27 Service Manual Model No 32E2000 7 3 Using Remote Control ...

Страница 29: ...1 1 2 2 3 3 4 4 D D C C B B A A MSD3393LU USB0 IN LVDS OUT TUNER DDR2 16Mbits USB0 HDMI2 HDMI3 VGA IN PC AUDIO IN VGA IIC IF AGC AMPLIFIER HEADPHONE L R LINE OUT YPBPR CVBS YPBPR CVBS AUDIO IN HDMI2 MHL IN HDMI3 IN MHL HDMI2 COAX OUT SPI Flash LVDS 8bit TP MS3393 PB812 EXT LINEOUT ...

Страница 30: ... E GN D PIN 4 PIN 5 PIN 6 OVP PIN 8 PIN 1 GN D PW M REF EB8 04 VIN 1 GAT E 2 GN D 3 C S 4 C OM P 8 R EF 6 I SET 5 FB 7 OVP 9 D I M 10 U B8 02 CB8 11 RB8 16 VIN 1 GAT E 2 GN D 3 C S 4 PW M 8 C OM P 6 FB 5 OVP 7 U B8 01 RB8 01 C B 806 RB8 03 RB8 06 RB8 05 CB8 12 CB8 05 RB8 04 CB8 03 LB8 01 RB8 12 CB8 10 D B8 01 CB8 09 R B 810 RB8 07 RB8 08 RB8 14 EB 803 A K D B 804 R B 837 R B 839 R B 840 1 2 CN B8 ...

Страница 31: ...m RM33 4K7ohm RM34 100Kohm QM32 W PM2341A 3 TR QM31 KMBT3904 RB9 510ohm PW M DIM PW M AD J RB5 100ohm BL _EN PW M REF RM6 3K3ohm 3V3_S TB GND GND GND CM32 NC 0 1uF CL 6 NC 0 1uF 0402 Y5V 80 20 16V CM2 0 1uF RD2 12K4ohm RD3 13Kohm CD5 0 1uF RD1 10Kohm 1 15V_STB 1 15V_STB TEST CD2 0 1uF CD4 10uF 5V_ST B GND GND GND CD3 NC 10uF LD1 CTD0403 6R8 M 5V_ST B C20 0 1uF GND R18 100Kohm 5V TEST GND C2 10uF G...

Страница 32: ...O2 GPIO46 57 LVA0P 69 LVB3M 72 LVA1M 68 LDE LVB0M 79 HOTPLUG_A 81 SPI_DO 84 SPI_DI 85 SPI_CZ 86 PWM1 82 VDDIO_DATA 105 DDCDC_CL 106 DM_P1 98 VDDC DVDD_DDR_DATA 104 DP_P1 99 AVDD_MOD 100 DDCDA_DA 109 INT GPIO64 94 VDDC AVDDL_DVI 116 RESET 95 MHL_DET 110 DDCDC_DA 107 DDCDA_CL 108 E PAD 129 VSYNC1 26 AUR0 33 AUOUTL0 43 AUOUTR3 42 GPIO1 GPIO45 56 SPI_CK 87 RXCN_D 117 RXCP_D 118 RX0N_D 119 RX0P_D 120 R...

Страница 33: ...1 6 AVCC 7 AGND 8 GVDD 9 PLIMIT 10 RINN 11 RINP 12 NC 13 PBTL 14 PVCCR 15 PVCCR 16 BSPR 17 OUTPR 18 PGND 19 OUTNR 20 BSNR 21 BSNL 22 OUTNL 23 PGND 24 OUTPL 25 BSPL 26 PVCCL 27 PVCCL 28 UA1 OB6220RVPA CA15 RA11 CA25 CA3 GND GND CA7 0 22uF 0402 Y5V 80 20 16V CA22 0 22uF 0402 Y5V 80 20 16V CA13 0 22uF 0402 Y5V 80 20 16V CA12 0 22uF 0402 Y5V 80 20 16V GND GND GND GND LOUT ROUT AMP_MUTE AVCC AVCC GND G...

Страница 34: ...19 20 HPD H D M I 5V GND SDA SCL ARC CEC RXC GND RXC RX0 GND RX0 RX1 GND RX1 GND RX2 RX2 21 22 23 G N D G N D G N D G N D AV2 HD AF05 S011 CH15 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 D D C C B B A A M_SDA M_SCL RT 12 SDCL 1005CR12JT DF RT 10 SDCL 1005CR12JT DF CT 18 IF_AGC RT 18 10Ko hm 3V3_STB 3V3_STB RT 14 4K7o hm RT 15 4K7o hm RT 16 100ohm RT 17 100ohm CT 19 0 22uF 0402 Y5V 80 20 16V CT 27 CT 32 T UNE...

Страница 35: ..._DM USB_5V GND RF41 5R1ohm RF42 5R1ohm USB_P USB_M RF1 0ohm CF41 1 2 L GND AV6 NC AV1 8 4 17C 1 2 R GND AV9 NC AV1 8 4 17C RV13 10Kohm RV18 100ohm RV12 100ohm 1 6 2 7 3 8 4 9 5 11 12 13 14 15 10 17 16 TXD SDA HS VS SCL R GND G GND B GND RXD 5V DET GND GND GND D B 15 AV7 WL HD 051A RV11 100ohm RV14 10Kohm RV16 100ohm RV1 75ohm RV2 75ohm RV3 75ohm RV4 33ohm RV6 33ohm RV8 33ohm CV4 CV6 CV8 GND GND GN...

Страница 36: ...ice Manual Model No 32E2000 8 3 Wiring Connection Diagram No Connection 1 Connection wire for keypad 2 Connection wire for IR LED 3 Connection wire for speakers 4 LVDS wire 5 Connection wire for power 1 3 2 4 5 ...

Страница 37: ...Service Manual Model No 32E2000 36 9 Measurements and Adjustment 9 1 Operation Guide ...

Страница 38: ... 37 Service Manual Model No 32E2000 ...

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Страница 42: ... 41 Service Manual Model No 32E2000 ...

Страница 43: ...Service Manual Model No 32E2000 42 ...

Страница 44: ...een 1 1 3 Failed The red light and the green light switch quickly for five times per second Red green Red green Red green Red green Red green STEP 3 Disconnect to the power and the connect to the power then the upgrading could be finished 1 2 Factory Setting Upgrading STEP 1 Make sure that the bin ﬁle has been put under the root directory of USB removable device STEP 2 Link the USB device to the T...

Страница 45: ...ertain default settings limit access to certain controls and adjustments so that settings cannot be altered by other people See Hotel Mode on page 40 for more information Software Update USB Picture 1 2 Picture 1 3 STEP 5 Disconnect to the power and connect to the power the upgrading could be ﬁnished ...

Страница 46: ...o sound Increase the volume level by pressing button on the remote control or VOL button on TV side control panel Press button on the remote control to ensure mute is off Good sound but poor color Adjust the contrast color and brightness settings Poor picture Poor picture quality may occur when an activated S VHS camera or camcorder is connected to your TV and the other peripheral at the same time...

Страница 47: ... so on LED driver LED BL_ON PWM_REF PWM_DIM Check EMI open or L N short Go to check Main board function Check if FB1 Open Check the power components damage or not Check the rectifier Check if output short Check if RB101 RB102 open Non output IR indicator light slake Check if 12V 19V 24V 32V 50V output normal Check if EB1 voltage about 2Vac Check if UB101 PIN5 voltage is about 15V Change damaged co...

Страница 48: ...e brightness check if Sampling resistor is right Y check is part of the brightness is in dim status check is all of the brightness is in dim status Check if UB801 UB802 PIN1 voltage is about 12V Check Pin2 of CNB2 for 12V Check if the power board is OK N N N Check power on the TV board Repair the power board Check U2 for 5V_STB UL1 for 3V3_STB and UD1 for 1 15V_STB Y Y Y Repair the abnormal circui...

Страница 49: ...anel is OK Change the cable for panel Y N Change panel N Y Check if the output circuit from U1 MSD3393 to the jack is normal Y N Software error or U1 MSD3393 damage Repair this circuit White screen Check if the voltage of panel power supply is normal depend on panel N Y Check the circuit of QM1 Check output signal from U1 MSD3393 Change the panel or the cable to panel Change U1 MSD3393 Y N ...

Страница 50: ... BL_ON state is normal Check if the control circuit between BL_ON and BL_EN is normal N N Y Y Repair the power supply Check if the power supply for inverter is normal Check the inverter board Check if the control circuit between ADJ and PWM ADJ is normal N Y Repair the circuit Change U1 MSD3393 ...

Страница 51: ...power supply circuit Check if PIN1 of the AMP chip voltage is normal Check the control circuit Check the input signal Check the circuit from AMP to the jack Check the output signal Check the circuit from U1 to AMP Check the circuit between output jack and AMP chip Change AMP chip N Y N N N Y Y Y ...

Страница 52: ...SD3393 N Y N N N Y Y Y PC mode Picture is not in center Missing color deflection color Picture dithering No signal Do auto adjust process Check if the R G B input signal of U1 is normal Do reset process on the menu Y N Check the circuit of R G B input Check if the signal of V sync H sync is OK Check the circuit of VS HS Do reset process on the menu or the input mode can t be supported Check the ci...

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