Table of Contents
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23.6" LEDTV
Service
Service
Service
Table of Contents.........................................................1
Important Safety Notice................................................2
Revision List.........................................................3
1.General Specification................................................4
2.Operating Instructions............................................6
2.1 The Use of Remote Control...................................6
2.2 To Use the Menus...............................................6
2.3 Front Panel Control Knobs....................................6
2.4 How to Connect..................................................6
3.Input/Output Specification.......................................7
4.Mechanical Instructions..........................................9
5.Repair Flow Chart ..............................................13
6.PCB Layout .......................................................20
ANY PERSON ATTEMPTING TO SERVICE THIS CHASSIS MUST FAMILIARIZE HIMSELF WITH THE CHASSIS
AND BE AWARE OF THE NECESSARY SAFETY PRECAUTIONS TO BE USED WHEN SERVICING
ELECTRONIC EQUIPMENT CONTAINING HIGH VOLTAGES.
CAUTION: USE A SEPARATE ISOLATION TRANSFOMER FOR THIS UNIT WHEN SERVICING
TABLE OF CONTENTS
Page Description
6.1 Main Board....................................................20
6.2 Power Board..................................................23
6.3 Key Board.....................................................24
6.4 IR Board.......................................................25
7.Adjustment/FW Upgrade/EDID............................26
8.Block Diagram........................................................37
9.Wiring Diagram.......................................................38
10.Schematic Diagram.........................................39
10.1 Main Board..................................................39
10.2 Power Board................................................49
10.3 Key Board...................................................50
10.4 IR Board.....................................................52
SAFETY NOTICE
1
Haier HLC24XLP2&HLC24XLPW2
Page
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Summary of Contents for Haier HLC24XLP2
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Page 1: Table Of Contents
23.6″ LEDTV Haier HLC24XLP2&HLC24XLPW2 Service Service Service TABLE OF CONTENTS Description Page Description Page Table of Contents..……........…..1 6.1 Main Board………..…………………...…….…..20 Important Safety Notice........……..2 6.2 Power Board…..…………..………….…..……..23 Revision List…………………………………………………3 6.3 Key Board………………………..……..………..24 1.General Specification.........………..4 6.4 IR Board…………………………..……….……..25 2.Operating Instructions…………………….……...…..6 7.Adjustment/FW Upgrade/EDID…………….…...……26 2.1 The Use of Remote Control…….…………...……..6... -
Page 2: Important Safety Notice
Important Safety Notice Proper service and repair is important to the safe, reliable operation of all Haier Company Equipment. The service procedures recommended by Haier and described in this service manual are effective methods of performing service operations. Some of these service operations require the use of tools specially designed for the purpose. -
Page 3: Revision List
Revision List Version Release Date Revision Instructions Customer Model Model HLC24XLP2 Sep.19,2010 Initial release HLC24XLPW2... -
Page 4: General Specification
PC IN: D-SUB and PC Audio (Headphone mini-jack) Supported scan rate: 640x480@60/72/75Hz, 720x400@70Hz, 800x600@56/60/72/75Hz, 1024x768@60/70/75Hz,1280x720@60Hz, 1280x768@60Hz. Note: 1280x1024@60Hz, 1440x900@60Hz, 1680x1050@60Hz, 1920x1080@60Hz Rear Connectors For HLC24XLP2/HLC24XLPW2 only. Recommended: 1920x1080@60Hz Component Video and L/R Audio input: Supported resolution: 480i@59.94/60Hz, 480p@59.94/60Hz, 720p@59.94/60Hz,1080i@59.94/60Hz, 1080p@59.94/60Hz HDMI input: Supported scan rates: 480i@59.94/60Hz,480p@59.94/60Hz, 720p@59.94/60Hz,1080i@59.94/60Hz, 1080p@59.94/60Hz... - Page 5 PACKAGE CONTENTS TV Unit x 1 Base x 1 Remote Control x 1 (with two size AAA alkaline batteries) Supplied Accessories User Manual x 1 AC Power Cord x 1 Adaptor x 1...
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Page 6: Operating Instructions
2. Operating Instructions For this chapter, pls refer to the user manual attached with this service manual. -
Page 7: Input/Output Specification
3. Input/Output Specification 3.1 Input Signal Connector D-SUB Pin No. Description Pin No. Description Red Video No Pin Green Video Sync Ground Blue Video SDA(Remote Control) SCL(Remote Control) Serial Data for DDC Ground H. Sync Red Ground V. Sync Green Ground Serial Clock for DDC Blue Ground HDMI... - Page 8 3.2 Input Signal Timing Analog RGB VESA MODES Horizontal Vertical Nominal Nominal Sync Nominal Sync Mode Resolution Total Frequency Freq. Polarit Pixel Clock Polarity (KHz) (Hz) (MHz) 640x480@60Hz 800 x 525 31.469 59.940 25.175 640x480@72Hz 832 x 520 37.861 72.809 31.500 640x480@75Hz 840 x 500...
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Page 9: Mechanical Instructions
4. Mechanical Instructions Step1. Unscrew the 4 screws to remove the STAND ASS’Y. Step2. Unscrew the 6 screws to remove the REAR COVER. - Page 10 Step3. Remove the all the detachable CON/WIRES. Step4. Unscrew the 20 screws to remove DVD, Power BD, Main BD, AC COVER, HINGE BKT and AC BKT.
- Page 11 Step5. Unscrew the 4 screws to remove DVD-BKT-SUPPORT. Step6. Separate the BEZEL and PANEL.
- Page 12 The PANEL. The BEZEL.
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Page 13: Repair Flow Chart
5. Repair Flow Chart 1. No power No power (LED “Off”) Check the AC input and Power “On” the power is “ON”? Power board output=5V? Replace the power board Check the IR board and LED Replace the IR board Replace the main board... - Page 14 2. Can’t start Can’t start（LED red） Replace the power board Power board output＝19V? Replace the key board Check the power key is under control? Replace the IR board Check the IR receiver is normal? Replace the main board Replace the Power board...
- Page 15 3. Abnormal Display Abnormal Display Reset the source Check the source Enter factory mode to do “EEPROM initial”&“Reset” Replace the main board Check the main board Check the LVDS cable Replace the LVDS cable Check the panel Replace the panel...
- Page 16 4. No display No display (LED white) Check TV is under control and power Replace the main board on/off by remote control and power key? Check the backlight is “On”? Check the LVDS cable Check the B/L signal is available? Reinsert or replace the LVDS cable Replace main board...
- Page 17 5. Sound problem No sound or sound abnormal Check the audio source connection and the TV system are correct? Reinsert the audio cable or change the TV system Check the TV is muted, adjust the volume or enter the menu to reset? Enter factory mode to do “Reset”...
- Page 18 6. Remote control malfunction Remote Control malfunction Check the remote control battery is Replace the battery not properly placed or no power? Use the other remote controls Replace the remote control Whether the IR board is Replace the IR board abnormal? Replace the main board...
- Page 19 7. OSD is unstable or can’t work normally OSD is unstable or can’t work normally Reconnect the key board Key board connected properly? Replace the button function Buttons are OK? Replace the key board Key board is OK? Enter factory mode to do “Reset” Replace the main board...
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Page 20: Pcb Layout
6. PCB Layout 6.1 Main Board 715G3759M02000005K... -
Page 23: Power Board
6.2 Power Board 715G4051P01000004S... -
Page 24: Key Board
6.3 Key Board 715G4105K01000004L 715G4249K01000004M... -
Page 25: Ir Board
6.4 IR Board 715G4104R01000004S... -
Page 26: Adjustment/Fw Upgrade/Edid
7. Adjustment/FW Upgrade/EDID 7.1 Adjustment It’s no need to adjust the white balance for this model, do ADC only. Step1: Turn on the TV, press “Menu”, then press number key 1 9 and “ENTER”, it will achieve the factory mode. Take other model’s factory picture for example: Step2: Change TV, press the “Current Source”... - Page 27 7.2 FW Upgrade Haier zoran787 FW upgrade with USB SOP Note: Take the HLC24XLE2 SOP for example. Step 1: Ready for F/W Upgrade 1.1 Prepare a USB memory (The file system of USB memory must be FAT16 or FAT 32).
- Page 28 2.3 Press the power key on the Remote Control or the right side of TV to turn on TV. Figure 2.3 2.4 When TV detects the USB memory, there is a prompt frame appearing on the screen as figure 2.4.1, press “ENTER”...
- Page 29 2.5 TV will upgrade automatically. Note: When Upgrade on the process, please don’t Power-Off! (Figure 2.5) Figure 2.5 2.6 When upgrade 100% and prompt for Upgrade Success info, remove the USB Drive and press “ENTER” key to reset TV (Figure 2.6) Figure 2.6...
- Page 30 Step 3: Check the F/W version and reset to default. 3.1 Press “MENU”+”1”+”9”+”9”+”9”+”ENTER” key rapidly on the Remote control to enter the factory mode (Figure 3.1). Do the following steps rapidly: 1. Press “MENU”; 2. Press”1”+”9” +”9” +”9”; 3. Press “ENTER” Figure 3.1 3.2 Check the F/W version on the second row of the factory mode info (eg: the “Ver”...
- Page 31 3.3 If the FW version is correct, please do factory reset. Choose “Reset” and press “ENTER” key to do factory reset as figure 3.3 to 3.5. Press “ENTER”, Show “Doing” Figure 3.3 Figure 3.4 Show “Done” Reset ok! Figure 3.5 3.4 After all the steps, FW upgrade is finished finally.
- Page 32 7.3 The Writing VGA & HDMI EDID Take LY19Z6 only for example as below. Step1. Ready for writing EDID Tool: 715G2005-C2 Cable: a LPT cable, a VGA cable, a DVI to HDMI cable and a 12V DC adapter. 715G2005-C2 male to male LPT cable VGA cable DVI to HDMI cable Step2.
- Page 33 Step3. Install TPV EDID tool. 1. Double click this icon to install. 2. Double click this icon to run. This red frame contents detail information in VGA EDID file. 1. Click here to open this interface. 4. Click here to Read the file 3.
- Page 34 Step4. Click “FPD” to open another interface as follows. 1. Tick LPT1 2. Click here to read file as figure 4.2 2. Click “open” to read the “.dat” file. Figure 4.2...
- Page 35 Step5. Click “write EDID” to write EDID. If display “NG” in the yellow blank, which represent writing failly. Please check the whether the connection of tool and cables is nomal and retry. Another way is to change a new ISP board and retry. 2.”OK”...
- Page 36 Step6. Write HDMI EDID. Connection for writing HDMI EDID. Connect to TV HDMI port. Connect to PC LPT port. 12V DC input Note: When writing HDMI EDID, the TV must be AC on, or the process can’t continue, and will prompt “NG” info.
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Page 37: Block Diagram
8. Block Diagram Main Board Power System System Block Diagram P24V/16V PANEL Inve rte r TDA7491P13TR P24V/16V For Audio Am plifie r Tuner LVDS LCD PANEL ENV56U03D8F U706 G5655P12U U708 G9084-50TU3U TU101 ENV56U03D8F For TUNER+5V VIDEO CVBS DDRII * 2 P12V Q403 AO4449 PANEL LVDS Pow e r... -
Page 38: Wiring Diagram
9. Wiring Diagram To panel Panel FFC Cable CN001 To DVD Power BD 13 Pin 32 Pin CN701 CN408 Main BD CN902 Scaler IC ZR39787HGCF (U401) CN BD CN001 4 Pin CN401 CN411 10 Pin IR BD To LED Module Speaker Speaker... -
Page 39: Schematic Diagram
10. Schematic Diagram 10.1 Main Board 715G3759M02000005K 03) Tuner/VGA Inputs U401P TU101 ENV56U03D8F TUNER space/trace/space/trace/space(mil) Demodulator ET-29DHRV D3V3 30 / 10 / 10 / 10 C101 C103 C104 C102 10N 50V 0402 SIF_N SIF_AINN SIF_P C105 10N 50V 0402 SIF_AINP 100N16V 1UF16V 0402... - Page 40 04) AV/YPbPr Inputs U401F CN121 Place parts very close to U401 Video In I/F JACK CVBS FB105 30 OHM AV_CVBS AV_S_Y 0402 AV & C165 220N 10V SVIDEO0Y AV_S_C C166 220N 10V 0402 SVIDEO0C R130 S-Video ZD103 DVD_S_Y FB111 30 OHM C169 220N 10V 0402...
- Page 41 05) HDMI Inputs Run As 100 Ohm Differential Pairs space/trace/space/trace/space(mil) 3V3_STB 25 / +5VSB CN501 HDMI U401G ZD501 HDMI0 I/F HDMI0_D0P ZD502 VCC5D 3V3_STB TMDSD0+ HDMI0_D0N HDMI0_D2P U502 NC/BAT54C TMDSD0- HDMI0_D2P HDMI0_D2N BAT54C HDMI0_D2N HDMI0_D1P HDMI0_CLKN HDMI0_CLKN TMDSD1+ Line-1 HDMI0_D1N HDMI0_CLKP HDMI0_D1P L501...
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Page 42: Usb Port
06) SIO I/F D3V3 D3V3 EJTAG I/F System MCU RESET For uMCU Debug U401C R401 R402 R403 R404 R405 R406 R407 3V3_STB CN410 SIO I/F 4.7K 1/10W 4.7K 1/10W 1K 1/10W 1K 1/10W NC/4.7K 1/10W CN406 I2C2_SCL 4.7K 1/10W 1K 1/10W TRSTN R408 33 OHM 1/10W... - Page 43 07) GPIO Block D3V3 TVMicro Bootstrap 3V3_STB Bootstrap Configuration U401K Configuration 3V3_STB R456 R460 GPIO 3V3_STB BOOT_STRAP0 BOOT_STRAP0 4.7K 1/10W 4.7K 1/10W DEMOD_RSTN 3 GPIO_P0 BOOT_STRAP1 BOOT_STRAP1 GPIO_P1 BOOT_STRAP2 BOOT_STRAP2 TEST_MODE R458 BOOT_STRAP2 BOOT_STRAP3 R461 4.7K 1/10W GPIO_P2 BOOT_STRAP3 BOOT_STRAP3 GPIO_P3 NC/10K 1/10W BOOT_STRAP1...
- Page 44 08) DDRII SDRAM I/F 512Mb (32Mx16) DDRII 56G 615919 S0_DQ[0:15] H5PS5162FFR-S6C D1V8 D1V8 S0_VREF Bottom Trace (mil) Trace (mil) U401A S0_A0 1250 S0_DQ0 C442 R484 S0_A[0:12] S0 Memory I/F 100N16V 100R 1/10W 1% S0_A1 1250 S0_DQ1 S0_DQ15 S0_A13 0402 S0_DQ15 S0_A13 S0_DQ14 S0_A12...
- Page 45 09) LVDS I/F PANEL_POWER FB423 U401J U401R U401N 73G253S505 300 OHM D3V3 LVDS I/F D3V3 Power D3V3 Ground VCC1V1 LVDS_CKE_P C4D9 C4E3 C4E4 R495 AF24 L402 NC/90OHM PANEL_PW LVDS_CE_P GND48 GND49 AE24 LVDS_CKE_N 100N25V 22uF/50V 1K 1/4W LVDS_CE_N CORE_VDD0 IO_VDD0 GND47 GND50 LVDS_CKO_P...
- Page 46 10) Audio Inputs/Earphone Output U401E Audio IN CN102 AV_Audio_L C601 2.2uF 10V AV_Audio_L LINE_IN1_L PC_Audio_R AV_Audio_R FB601 300 OHM R601 10K 1/10W C602 2.2uF 10V AV_Audio_R LINE_IN1_R DVD_Audio_L R669 10K 1/10W C603 2.2uF 10V Audio DVD_Audio_L LINE_IN2_L PC_Audio_L DVD_Audio_R FB602 300 OHM R602 10K 1/10W...
- Page 47 11) Audio Amplifier D3V3 +5VSB AMPP POP NOISE D604 RB160M-60TE25 D3V3 D3V3 R629 R628 C649 NC/10K OHM 1/10W 10K 1/10W 47uF/35V D602 +5VSB AMPP VCC5D PD_MUTE R624 R625 R630 NC/10K OHM 1/10W R639 PD_MUTE NC/10K OHM 1/10W LL4148 10K 1/10W R626 R633 C638...
- Page 48 12) Power D24V Standby Power P12V 73G253S 38 +5VSB U701 3V3_STB 3V3_STB U702 1V8_STB 3,5,9,11 +5VSB R701 100 OHM 1/10W PS_ON FB702 R703 0R05 1/10W G5622ADJT11U AZ1084D-1.8TRE1 L701 From 3,5,6,10,11 VCC5D R702 100 OHM 1/10W BL_ON_OFF 7 300 OHM 2.2uH Power FB701 120OHM...
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Page 49: Power Board
10.2 Power Board 715G4051P01000004S +19V FB903 CONN Q921 +43V BEAD L904 D904 100UH B360B R913 56K +-5% 1/8W D901 C925 CN901 AO4435 180K +-5% 1/8W SM4001A 47UF 25V R914 C927 C916 1U25V C915 0.1UF C920 R924 470NF 25V 120UF 63V R922 20K 1/4W 20K 1/4W... -
Page 50: Key Board
10.3 Key Board 715G4105K01000004L SW001 VOL+ 2.48V ~ 2.72V TACT SW FWRD H1.5MM R001 7.5K +-1% 1/10W SW002 VOL- 2.04V ~ 2.22V TACT SW FWRD H1.5MM R002 2.7KOHM +-1% 1/10W SW003 1.58V ~ 1.79V TACT SW FWRD H1.5MM R003 1.8K +-1% 1/10W SW004 CN001 1.24V ~ 1.45V... - Page 51 715G4249K01000004M SW001 D001 LL4148 STOP IRVCC TACT SW FWRD H1.5MM R001 R002 R003 C N 001 C ON N SW002 4.7K 1/10W 4.7K 1/10W 4.7K 1/10W D002 LL4148 PLAY TACT SW FWRD H1.5MM DATA C001 C002 C003 SW003 DATA D003 LL4148 EJECT 33G8032 5F S HR...
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Page 52: Ir Board
10.4 IR Board 715G4104R01000004S CN201 CONN U201 IRRV VOUT R201 15K 1/10W C201 KSM-603TM2M 56G 627911 100N16V 33G8032 3F HR...