Haier LE19P620 Service Manual Download Page 26 | Manualshive

Page: 26 / 50

background image

26

5. Repair Flow Chart

1. No power

No power (LED “Off”)

Check the AC input and
the power is “ON”?

Power “On”

Check the main board+power board and LED

Replace the main board+power board

Replace the main board+power board

main board+power

board output=5V?

Replace the main

board+power board

No

Yes

No

Yes

No

«
...
24
25
26
27
28
...
»

Summary of Contents for LE19P620

Page 1: ...Repair Flow Chart 26 6 PCB Layout 33 6 1 Main Board Power Board 33 6 2 IR Board 35 7 Adjustment 36 7 1 ADC WB Adjustment 36 7 2 Firmware and DDC Instruction 37 8 Block Diagram 39 9 Wiring Diagram 40 10 Schematic Diagram 41 10 1 Main Board Power Board 41 10 2 IR Board 50 SAFETY NOTICE ANY PERSON ATTEMPTING TO SERVICE THIS CHASSIS MUST FAMILIARIZE HIMSELF WITH THE CHASSIS AND BE AWARE OF THE NECESSA...

Page 2: ...cs might create shock fire or other hazards Under no circumstances should the original design be modified or altered without written permission from Haier Haier assumes no liability express or implied arising out of any unauthorized modification of design Servicer assumes all liability FOR PRODUCTS CONTAINING LASER DANGER Invisible laser radiations when open AVOID DIRECT EXPOSURE TO BEAM CAUTION U...

Page 3: ...3 Revision List Version Release Date Revision Instructions Customer Model Model A00 Aug 19 2014 Initial release LE19P620 E1BE91NCGXH6NNQ ...

Page 4: ...4 1 General Specification ...

Page 5: ...5 2 Operating Instructions 2 1 Remote Control ...

Page 6: ...6 ...

Page 7: ...7 2 2 OSD Menus ...

Page 8: ...8 ...

Page 9: ...9 ...

Page 10: ...10 ...

Page 11: ...11 ...

Page 12: ...12 ...

Page 13: ...13 ...

Page 14: ...14 ...

Page 15: ...15 ...

Page 16: ...16 ...

Page 17: ...17 ...

Page 18: ...18 2 3 Panel Control and Rear Terminal Control ...

Page 19: ...19 ...

Page 20: ...20 ...

Page 21: ...21 ...

Page 22: ... 13 H Sync 6 Red Ground 14 V Sync 7 Green Ground 15 Serial Clock for DDC 8 Blue Ground HDMI Pin No Description Pin No Description 1 TMDS Data2 11 TMDS Clock Shield 2 TMDS Data2 shield 12 TMDS Clock 3 TDMS Data2 13 CEC 4 TMDS Data1 14 Reserved N C on device 5 TMDS Data1 shield 15 SCL 6 TMDS Data1 16 SDA 7 TMDS Data0 17 DDC CEC Ground 8 TMDS Data0 shield 18 5V Power 9 TMDS Data0 19 Hot Plug Detect 1...

Page 23: ...23 3 2 Input Signal Timing ...

Page 24: ...24 4 Mechanical Instructions Step1 Remove the BASE Step2 Remove the REAR COVER ...

Page 25: ...25 Step3 Remove the MAIN BOARD POWER BOARD IR BOARD and Speakers Step4 Remove the panel ...

Page 26: ... Off Check the AC input and the power is ON Power On Check the main board power board and LED Replace the main board power board Replace the main board power board main board power board output 5V Replace the main board power board No Yes No Yes No ...

Page 27: ...er board Replace the main board power board No Yes No Yes No No main board power board output 12V 24V Check the power key is under control Check the IR receiver is normal Replace the main board power board Replace the main board power board Yes Replace the IR board ...

Page 28: ...the source Check the source Check the panel Replace the main board power board Replace the LVDS cable Replace the panel No No No Yes Yes Yes No No Check the main board power board Enter factory mode to do EEPROM initial Reset Check the LVDS cable ...

Page 29: ... main board power board Check the backlight is On Check the LVDS cable Reinsert or replace the LVDS cable Replace the main board power board Replace the Panel No Yes Yes No Yes No No Yes Yes No Yes No main board power board output 12V 24V Check TV is under control and power on off by remote control and power key Replace the main board power board ...

Page 30: ...me or enter the menu to reset Reinsert the audio cable or change the TV system Replace the cable Replace the speaker Replace the main board power board No Yes Check the speaker resistance value is in spec Remark The value is marked on the speaker Check the audio source connection and the TV system are correct Yes No Yes No Enter factory mode to do Reset No ...

Page 31: ...on Replace the battery Replace the remote control Whether the IR board is abnormal Yes No Replace the IR board Replace the main board power board No Yes No Yes Use the other remote controls Check the remote control battery is not properly placed or no power ...

Page 32: ...d properly Reconnect the main board power board Buttons are OK Replace the button function Yes No main board power board Replace the main board power board Replace the main board power board No Yes No No OSD is unstable or can t work normally Enter factory mode to do Reset Yes ...

Page 33: ...33 6 PCB Layout 6 1 Main Board 715G6717C1A000004N ...

Page 34: ...34 ...

Page 35: ...35 6 2 IR Board 715G5889R01000004K ...

Page 36: ...36 7 Adjustment 7 1 ADC WB Adjustment ADC and WB Adjustment are no need to adjust ...

Page 37: ...ter s USB port Step 2 F W Upgrade Upgrades have two ways The first method 2 1 1 Power ON the TV and change the TV to other signal source don t in USB signal source 2 1 2 Plug the USB memory on the USB port on the left side I O port of TV 2 1 3 When TV detect the USB memory and display below Upgrade information 2 1 4 Choose yes to upgrade it TV will upgrade automatically Notes When Upgrade on the p...

Page 38: ...V AC power off AC power on 2 2 4 TV will upgrade by itself after detect the USB disk condition and the content of the bin file 2 2 5 After finish upgrade process TV will reboot by itself 2 2 6 Remove USB disk from TV 2 2 7 Check if the software version is correct 2 2 8 Please do factory reset in user menu press menu 1999 back return into factory menu choose System Reset 2 2 9 Reset finish AC OFF ...

Page 39: ...39 8 Block Diagram ...

Page 40: ...40 9 Wiring Diagram Speaker L Speaker R IR Board 5 Pin CN201 5 Pin CN401 MAIN BOARD 30 Pin CN403 CN9901 MST6820XP U401 Scaler IC 4 Pin CN601 6 Pin CN8101 2 Pin Panel Panel Power Cord ...

Page 41: ...DDR Power Vout 1 25x R1 R2 R2 1 845V C721 10UF 10V BRI_ADJ PWM0 2 3 R712 1K R710 4 7K 1 16W Q703 MMBT3904 R707 4 7K 1 16W 3 3V_Standby BL_PWM VBL_CTRL 2 Backlight Control P12V 12VO 3 12VO BL_ON OFF VBL_CTRL R727 4 7K 1 16W C711 10UF 10V C712 1UF16V U702 VI 3 VO 2 GND 1 4 4 3 3V_Standby 5V_Standby BL_ON OFF 10 OEM MODEL Size Rev Date Sheet of TPV MODEL PCB NAME 称爹 T P V Top Victory Electronics Co L...

Page 42: ... USB0_DM RXE1 3 RXE0 3 RXE2 3 VGA AUL1 4 AV1 CVBS0P 4 RXE0 3 AV1_AUL4 4 AV1_AUR4 4 VGA AUR1 4 UART RX 4 9 UART TX 4 9 IRIN 9 KEY0 SAR0 9 TUNER_SCL 12 TUNER_SDA 12 PW_CTL 1 VBL_CTRL 1 ON_PANEL 3 AUDIO_EN 8 BRI_ADJ PWM0 1 VDD33 RXE0 RXE0 RXE2 RXE1 RXE1 RXEC RXE3 RXEC RXE3 RXE2 RXOC RXO2 RXOC RXO0 RXO1 RXO0 RXO3 RXO2 RXO3 RXO1 R424 4 7K 1 16W VGA_VS 4 VGA_VS BRI_ADJ PWM0 IRIN System RST R425 4 7K 1 1...

Page 43: ...XO2 RXO3 RXO1 RXO0 R484 0R05 OHM RXOC1 RXOC Panel Power Q403 MMBT3904 C401 220N 25V R437 0oHM R441 10K 5 1 16W R442 4 7K 1 16W R443 10K 5 1 16W C437 100NF 16V R440 NC 1K 1 4W R439 100K1 16W DGND PANEL_VCC DGND DGND P12V R473 47K ON_PANEL 2 Q401 AO3407A R438 NC 0oHM RXO2 RXOC RXEC RXO3 RXE2 5V_Standby RXE3 RXE1 RXO3 RXE2 RXO1 RXE0 RXEC RXO3 2 RXO1 RXO0 RXOC 2 RXOC RXOC 2 RXE3 RXO0 2 RXO0 2 RXO0 RXO...

Page 44: ...fac USB C111 2 2uF 10V 330pF 50V C119 C121 1N50V 330pF 50V C113 R122 33R 1 16W 5 R148 33 OHM 1 16W R130 75 OHM 1 1 10W R126 33R 1 16W 5 R147 75 OHM R124 10K 1 16W 5 R118 12K 1 16W R127 33R 1 16W 5 R134 68OHM 1 16W R139 4 99ohm 1 16W 1 R117 10K 1 16W 5 R128 75 OHM 1 1 10W C147 47nF 16V R125 75 OHM 1 1 10W C118 2 2uF 10V R120 12K 1 16W R136 10K 5 1 16W R119 12K 1 16W C122 47nF 16V R129 33R 1 16W 5 C...

Page 45: ...te 13 NC 14 DDC CLK 15 DDC DATA 16 GND 17 5V 18 HP DET 19 SHELL4 23 SHELL3 22 SHELL5 24 SHELL6 25 SHELL7 26 OEM MODEL Size Rev Date Sheet of TPV MODEL PCB NAME 称爹 T P V Top Victory Electronics Co Ltd Key Component 絬隔瓜絪腹 A Custom 5 10 Monday June 16 2014 715GXXXX M0A 000 0040 称爹 05 Input_HDMI DGND HDMI0_CLK HDMI0_D0 HDMI0 SDA HDMI0 SCL HDMI0 RX2P HDMI0 RX1P HDMI0 RX0N HDMI0 RX0P HDMI0 RX2N HDMI...

Page 46: ...andby C130 10UF 6 3V 20 U101 VIN 3 VOUT 2 GND 1 4 4 R146 0R05 OHM VDD3V DGND DGND DGND 5V_Normal AGND AGND DGND AGND DGND VIFM 2 VIFP 2 L115 2nH TUNER_SCL 2 TUNER_SDA 2 TUNER_SDA 2 TUNER_SCL 2 L114 3 3nH R104 220 OHM 5 1 16W R105 220 OHM 5 1 16W R141 4 7K 1 16W VDD3V R142 4 7K 1 16W L06 1000R 1 2 C125 1 8pF 50V AIF R140 470 OHM 1 16W AIF R149 100OHM R150 100OHM TUNER_SDA TUNER_SCL L108 68nH IF_AGC...

Page 47: ... 16V C623 330pF 50V C450 10UF 10V C620 NC 220nF 16V C622 220nF 16V C639 1NF 50V C618 100N 50V C638 100N 50V L605 22uH R612 10K 5 1 16W C619 1NF 50V U601 AD52580 QG28NAR SDZ 1 FAULTZ 2 LINP 3 LINN 4 GAIN0 5 GAIN1 6 AVCC 7 AGND 8 GVDD 9 PLIMIT 10 RINN 11 RINP 12 NC 13 PBTL 14 PVCCL 28 PVCCL 27 BSPL 26 OUTPL 25 PGND 24 OUTNL 23 BSNL 22 BSNR 21 OUTNR 20 PGND 19 OUTPR 18 BSPR 17 PVCC 16 PVCC 15 Thermal...

Page 48: ...M 1 R411 750 OHM 1 R414 1Kohm 1 16W 1 R408 1K8 1 16W 1 LED G POWER_KEY IRRX1 LED R POWER IRIN KEY0 SAR0 CN401 CONN 1 2 3 4 5 OEM MODEL Size Rev Date Sheet of TPV MODEL PCB NAME 称爹 T P V Top Victory Electronics Co Ltd Key Component 絬隔瓜絪腹 A A4 9 10 Monday June 16 2014 715GXXXX M0A 000 0040 称爹 09 Keypad IR C444 100NF 16V FB409 120R 6000mA 1 2 C441 1N 50V C445 1N 50V C440 1N 50V R457 4K7 1 16W 1 C...

Page 49: ... OHM 1 R9104 220 OHM 1 4W HIC91 HEAT SINK 1 2 R8105 NC 2R2 5 1 8W NC t NR9901 3R 1 2 R8110 100R 1 10W 5 C8103 1uF R8107 0 2oHM 1 1 4W R8103 10K 1 10W 5 D9102 SR510 22 1 2 R8106 10K OHM 5 1 8W IC9101 LNK6766VG PD 1 FB 2 CP 3 BP 4 D 6 S 7 S 8 S 9 S 10 S 11 S 12 R8116 330K 1 1 4W C9104 470NF 50V CN9901 CONN 1 3 C9907 100PF 250V BD9101 GBL08 C2 3 1 2 4 R9105 220 OHM 1 4W C8105 0 1uF 50V D8103 1N4148W ...

Page 50: ...V838M3 TR1 GND 1 VCC 2 Vout 3 GND 4 IR C201 2 2uF 10V VCC R201 15K 1 16W 5 OEM MODEL Size Rev Date Sheet of TPV MODEL PCB NAME 称爹 T P V Top Victory Electronics Co Ltd Key Component 絬隔瓜絪腹 A A 2 2 称爹 02 IR LED LED_B LED_R Blue Red LED201 12 22 BHR6C C31 2C 1 2 3 R202 NC 0R05 OHM CN201 CONN 1 2 3 4 5 6 7 033G8032 5F S B ...

Reviews:

No comments

Related manuals for LE19P620

Brand: Hyundai Pages: 102

Brand: Hyundai Pages: 96

Brand: HANNspree Pages: 1

i-Display 8019 HDR

Brand: i-joy Pages: 33

Brand: Zenith Pages: 43

Brand: TCL Pages: 2

Brand: ELBE Pages: 100

Brand: Hisense Pages: 53

Brand: Strong Pages: 24

Brand: Seiki Pages: 27

Brand: Magnavox Pages: 57

Brand: Kogan Pages: 25

Brand: Nevir Pages: 94

Brand: Samsung Pages: 40

Brand: Samsung Pages: 105

Brand: Samsung Pages: 98

Brand: Xiaomi Pages: 5

Brand: Emerson Pages: 1

Brands by name

0 1 2 3 4 5 6 7 8 9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Popular brands

Load more brands