Hitachi L37X01A Service Manual Download | Manualshive

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10. Wiring Diagram

L42X01A

L37X01A / L42X01A

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Summary of Contents for L37X01A

Page 1: ... to receive injury 2 Replacement work should be started after the Panel Module and the AC DC Power supply have become sufficiently cool 3 Special care should be taken when working near the display area in order not to damage its surface 4 The Panel Module should not be touched with bare hands in order to protect its surface from blemishes and damage 5 It is recommended that you use clean soft glov...

Page 2: ...nditions in order to prevent electric shock or fire Perform safety check when done Exercise caution while working on the device as the TV contains high voltage parts and power supply It is possible to sustain severe injury or death if you accidentally touch the wrong parts You must disconnect the power supply while servicing reassembling or change parts If you touch a live connection it is possibl...

Page 3: ... a chemical cloth cleaner or wax Depending on the ingredients it may cause crack and deformation Use a lint free cloth to clean the cabinet and control panel of the television In case of the heavy dirt wipe with a soft cloth moistened by a diluted neutral detergent solution and then wipe with a soft and dry cloth Never use the following detergents It could cause crack discoloration and scratch Aci...

Page 4: ... RCA S video input terminal 1 L R audio input terminal RCA HDMI1 3 HDMI input terminal Input signals Composite video PAL SECAM NTSC3 58 NTSC4 43 PAL60 Component video 480i 576i 480p 576p 720p 50 720p 60 1080i 50 1080i 60 HDMI1 3 480i 576i 480p 576p 720p 50 720p 60 1080i 50 1080i 60 1080p 50 1080p 60 1080p 24 Output signals OUTPUT MONITOR composite video monitor output terminal RCA OUTPUT MONITOR L...

Page 5: ...A 861D 11 1080p 50 1920x1080 50 56 25 148 5 EIA 861D 12 1080p 60 1920x1080 60 67 5 148 5 EIA 861D 13 1080p 24 1920x1080 24 27 74 25 EIA 861D Table Digital HDMI 2 3 Timing Chart Signal mode No Signal name Resolution Vertical frequency Hz Horizontal frequency KHz Dot clock frequency MHz Remarks 1 VGA 640x480 59 94 31 47 25 18 EIA 861D 2 576i 720 1440 x576 50 15 63 27 EIA 861D 3 480i 720 1440 x480 59...

Page 6: ... x 400 70 086 31 469 25 175 VESA IS0000003 2 VGA 640 x 480 59 94 31 47 25 18 3 800 x 600 60 32 37 88 40 4 1024 x 768 60 48 36 65 5 VESA 1280 x 1024 60 02 63 98 108 6 1280 x 768 59 876 47 776 79 5 VESA 8 21 03 7 VESA 1360 x 768 60 015 47 712 85 5 VESA 8 21 03 z The type of video board or connecting cable used may not allow for correct displays adjustment of Horizontal Position Vertical Position Hor...

Page 7: ...top Stand Option for L42X01A Main Power Switch on the left side for L37X01A Main Power Switch on the right side for L42X01A Rear Panel L37X01A L42X01A Side Input Power Cord Socket Terminal Board External Device Connection Control Panel see next page for details 4 3 8 6 7 5 L37X01A L42X01A L37X01A L42X01A 7 ...

Page 8: ...Control Panel L37X01A Sub Power button Menu button Channel Up S button Channel Down T button Volume Up f button Volume Down ebutton Input Select OK button L42X01A L37X01A L42X01A 8 ...

Page 9: ...the power to stanby mode when the selected time period has elapsed 0 30 60 90 120min Input Select DVD Control Press these buttons to change input mode In addition you can use these buttons while operating the selected brand of DVD player Not Available Not Available Recall Press this button shows the input signal status Picture Mode Picture mode can be changed each time pressed in the following seq...

Page 10: ... lead free solder from soldered joints when replacing components z If leaded solder should be added to existing lead free joints mix in the leaded solder thoroughly after the lead free solder has been completely melted do not apply the soldering iron without solder Servicing soldering iron A soldering iron with a temperature setting capability temperature control function is recommended The meltin...

Page 11: ...Æ Reset Æ Reset Æ ok Dynmaic Cool High Reset Picture Picture Mode Contrast Brightness Color Sharpness Tint Color Temperature Back Light Reset Select OK Set Return 75 40 80 11 1 5 Press Menu key exit OSD 2 Entering into factory Mode In VGA mode press Red key next press Green key next press Return key in remote control to enter into factory mode Red Green Return key Factory Menu WARM 6500K HX42CG V1...

Page 12: ...4 Color Temperature Adjustment 1 Set the signal generator to RGB 1024 768 60HZ Level 0 56V 80 Full white pattern 2 Press up or down key of remote control to select Cool Press OK key to enter the item R G B drive values are set for COOL NORMAL and WARM independently Factory Menu WARM 6500K HX42CG V1 00 Aug 2007 10 41 46 NORMAL 9300K COOL 15000K TimerClear Shipping Mode NV CLEAR Full Power SourceCal...

Page 13: ...stment of 4 1 or 4 2 4 1 If x value is higher than spec Increase Green drive from default value Increase Blue drive from default value 4 2 If y value is higher than spec Decrease Green drive from default value 4 Select Normal 9300 Normal 9300 K spec x 0 285 0 001 y 0 293 0 001 Adjust G drive GREEN or B drive BLUE to set x and y above 5 Select WARM 1 WARM 6500 K spec x 0 314 0 001 y 0 327 0 001 Adj...

Page 14: ...or Temperature Back Light Reset Select OK Set Return 75 40 80 11 1 1 Select Cool check If the color temperature is in spec Cool Color Temperature Next Prev Adjust Return Cool 15000 K x 0 266 0 005 y 0 270 0 005 2 Select Normal check If the color temperature is in spec Normal Color Temperature Next Prev Adjust Return Normal 9300K x 0 285 0 005 y 0 293 0 005 L37X01A L42X01A 14 ...

Page 15: ...rder from left side white yellow cyan green magenta red bule black width ratio 12 5 for each color 2 Entering into factory Mode Press up or down key of remote control to select Comp Calibration Press OK key to start adjusting Factory Menu WARM 6500K HX42CG V1 00 Aug 2007 10 41 46 NORMAL 9300K COOL 15000K TimerClear Shipping Mode NV CLEAR Full Power Comp Calibration Reset Default Aspect Ratio 0 0 0...

Page 16: ...2 5 for each color 2 Entering into factory Mode Press up or down key of remote control to select AV CVBS Calibration Press OK key to start adjusting Factory Menu WARM 6500K HX42CG V1 00 Aug 2007 10 41 46 NORMAL 9300K COOL 15000K TimerClear Shipping Mode NV CLEAR Full Power AV CVBS Calibration Reset Default Aspect Ratio 0 0 0 0 0 2 HOUR 50 MIN Source calibration performed automatically L37X01A L42X...

Page 17: ...bleshoot your Televison set with it doesn t display normally Each procedure offers a simple way to check for system errors Before starting ensure that there is a signal in and that the Televison is turned on Change to new power board P N PK101V0410I L37X01A L42X01A 17 ...

Page 18: ...Change to new power board P N PK101V0410I L37X01A L42X01A 18 ...

Page 19: ...Change to new power board P N PK101V0410I L37X01A L42X01A 19 ...

Page 20: ...lect On Off Return OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF 10 SEC 63 Hotel Menu Hotel Mode ON OFF Remote Control Lock Front Panel Lock PC Power Save Lock Power On Initial Audio Volume Level Picture Setting Lock Picture Size Lock Channel Lock Fine Tuning Lock Teletext Lock PC Power Save Wait Time Max Audio Volume Select On Off Return Selected Items Setup hint OFF Hotel Mode ON OFF ON Enable the Hot...

Page 21: ...n it is available when the setting of Main Power ON Reset is ON Please refer to the note which is shown below for the initial channel position in TV source OFF Main Power ON Reset ON Enable to set the initial source specified by the Power ON Source items when LCD TV power on Picture setting values are not initialized by this function Please use Reset function in picture menu if required OFF Termin...

Page 22: ...V4 HDMI1 HDMI2 HDMI3 3 Selectable initial channel position when the Power ON Source item is TV switch the Main Power ON Reset item OFF ON can save current TV channel for power on initial channel for example Select channel 2 position Æ Enter to Hotel menuÆSet Power ON source to TV Æ Main Power ON Reset from OFF to ONÆ exit of the menuÆSelect channel 30 position ÆTV Power OFF then ONÆ show TV channe...

Page 23: ...8 Block Diagram L37X01A L42X01A 23 ...

Page 24: ...POWER BOARD L42X01A L37X01A L42X01A 24 ...

Page 25: ...L37X01A L37X01A L42X01A 25 ...

Page 26: ...9 Connection Diagram L37X01A L42X01A 26 ...

Page 27: ...10 Wiring Diagram L42X01A L37X01A L42X01A 27 ...

Page 28: ...L37X01A L37X01A L42X01A 28 ...

Page 29: ...11 Printed Wiring Board Diagram L42X01A TOP SIDE L37X01A L42X01A 29 ...

Page 30: ...BOTTOM SIDE L37X01A L42X01A 30 ...

Page 31: ...L37X01A TOP L37X01A L42X01A 31 ...

Page 32: ...BOTTOM L37X01A L42X01A 32 ...

Page 33: ...POWER MODULE L42X01A L37X01A L42X01A 33 ...

Page 34: ...POWER MODULE L37X01A L37X01A L42X01A 34 ...

Page 35: ...PCBA KEY B L42X01A TOP SIDE BOTTOM SIDE L37X01A TOP SIDE BOTTOM SIDE L37X01A L42X01A 35 ...

Page 36: ...PCBA IO B L42X01A TOP SIDE BOTTOM SIDE L37X01A TOP SIDE BOTTOM SIDE PCBA IR B L42X01A L37X01A TOP SIDE BOTTOM SIDE L37X01A L42X01A 36 ...

Page 37: ...PCBA SIDE HDMI L42X01A L37X01A TOP SIDE BOTTOM SIDE L37X01A L42X01A 37 ...

Page 38: ...12 Disassembly Diagram L42X01A L37X01A L42X01A 38 ...

Page 39: ...L37X01A L42X01A 39 ...

Page 40: ...L37X01A L37X01A L42X01A 40 ...

Page 41: ...L42X01A CO 20 31 34 29 33 28 32 34 26 30 23 CO 35 25 27 36 L37X01A L42X01A 41 ...

Page 42: ...L42X01A NA 20 31 34 29 33 28 32 34 26 30 24 NA 35 25 27 36 L37X01A L42X01A 42 ...

Page 43: ...L37X01A CO L37X01A L42X01A 43 ...

Page 44: ...L37X01A NA L37X01A L42X01A 44 ...

Page 45: ...1 16 TE05489 H CON SET SHX42 MB CN7 HDMIB CN1 20P2 1 1 17 H CON SET SHX42 LVDS PANEL 51P 34P 20P 1 1 18 TS09481 WIRE SET W5 6X150X4 3D 1007 18 BLK 1 1 19 TE05511 POWER MODULE FSP291 4F01 5 12 24 24V LPL SW 1 1 20 TS09501 BACK COVER BACK COVER ASSY L42X01A 21 TS09561 BEZEL ASSY BEZEL ASSY 22 TS09531 SIDE I O PLATE ASY MBK01 94V0 MCG28 M 1 1 23 TJ06171 CARTON C HX42C J88 L42X01A CO 1 1 24 TJ06181 CA...

Page 46: ...BEZEL ASSY BEZEL ASSY MBK86 ABS94HB SN D 21 STAND ASSY MBK01 MBK87 70d ABS 94HB GP 1 1 22 CARTON C HX37C J88 L37X01A CO 1 1 23 CARTON C HX37C J88 L37X01A NA 1 1 24 USER S MANUAL U HX42CG J88 ASIA E SC TC RU 1 1 25 EPE BAG MONITOR LV37DG K002 FOR MO 1 1 26 EPE SHEET STAND LV832H K001 L800XW 600MM 1 1 27 POWER CORD SP60X1 8MXIS14H05 0 75BLK13AWP 1 1 28 REMO CTRL AA SMK CLE 993 HIT SHX42 1 1 29 EPS F...

Page 47: ...MEMO L37X01A L42X01A 47 ...

Page 48: ...YK No 055E TE05681 L37X01A L42X01A ...

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