Amtran VO370M_LGD Service Manual Download

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Service Manual

AMTRAN TECHNOLOGY CO., LTD.

17F, NO. 268, Lien Chen Rd., Chung Ho City Taipei County, Taiwan, 235 R.O.C.

TEL : (02) 8228-0505 FAX : (02) 8228-0599

Confidential Document, Property of AmTRAN CO. LTD

Model #: VO370M_LGD

_LC370WUE-SBA1-6R1

(T37USVZB1RF-.VO370M1)

Summary of Contents for VO370M_LGD

Page 1: ...TECHNOLOGY CO LTD 17F NO 268 Lien Chen Rd Chung Ho City Taipei County Taiwan 235 R O C TEL 02 8228 0505 FAX 02 8228 0599 Confidential Document Property of AmTRAN CO LTD Model VO370M_LGD _LC370WUE SBA1 6R1 T37USVZB1RF VO370M1 ...

Page 2: ...3 1 4 Factory Preset Timings 4 1 5 Pin Assignment 5 1 6 Main Board I O Connections 6 1 7 Theory of Circuit Operation 7 1 8 Waveforms 8 1 9 Trouble Shooting 9 1 10 Block Diagram 10 1 11 Spare parts list 11 1 12 Complete Parts List 12 1 Appendix 1 Main Board Circuit Diagram 2 Main Board PCB Layout 3 Assembly Explosion Drawing ...

Page 3: ...nications However there is no guarantee that the interference will not occur in a particular installation If this equipment does cause unacceptable interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures reorient or relocate the receiving antenna incr...

Page 4: ...t in auto adjust function for automatic adjustment of screen display 6 Smoothing function enables display of smooth texts and graphics even if image with resolution lower than 1920 H x1080 V is magnified 7 Power saving to reduce consumption power too less than 0 5W 8 On Screen Display user can define display mode i e color brightness contrast sharpness and backlight sound setting TV channel progra...

Page 5: ...puts 15pins D Sub Video Inputs 1x RF Combo F Connector for internal NTSC ATSC QAM Tuner 3x HDMI with HDCP plus Stereo Analog Audio 2x Component YPbPr plus Stereo Audio 2x Composite Video plus Stereo Audio 1x S Video plus Stereo Audio 1x Analog RGB plus Stereo Audio USB firmware update Audio Inputs 1x Stereo Audio RCA 1x PC mini jack Audio Outputs 1x SPDIF Digital Audio Optical 1x Stereo Analog Aud...

Page 6: ...ter of Screen Typical 500 Contrast Ratio 1400 1 x 0 279 White y 0 292 x 0 639 Red y 0 334 x 0 289 Green y 0 606 x 0 145 Color coordinate typical 0 030 Blue y 0 065 Remark All characteristics are measured at least 30 minutes later after power on in the normal ambient temperature 2 POWER SUPPLY a Input voltage 100 240Vac 50 60Hz b Input current 3A at AC 90V 60Hz c Inrush current 100A at Vac 100V d P...

Page 7: ...ce between bezel panel surface Gap 4 0 Horizontal Tilt A B NONE Panel disposition tolerance C D E F 0 Product balance G H 5 mm Tilt angle 89 T 91 up 2 5 Down 13 18 OUTLINE DIMENSION Physical dimension Unit mm Display Module Display Module Base Height 603 7 634 3 Width 919 9 919 9 Depth 98 218 2 ...

Page 8: ...over ABS 94 5V Black T52013 Base Ass y ABS 94 HB Chocolate T52012 Wall mounting a Screw size M6 PITCH 1 0 mm b Screw Q ty 4 pcs c Mounting hole pitch 400 H 200 V mm PACKAGING SPECIFICATION Packaged dimensions a Height 745 0 10 mm b Width 1060 0 10 mm c Depth 225 0 10 mm Pallet Load a Sea A 15 units pallet b Air A NONE Container Load a 40 container 330 units 15 22 Pallets b 20 container 100 units 1...

Page 9: ... Cord 110V UL CSA Black x 1 c VIZIO Universal Remote Control VUR8P x 1 d User s Manual x 1 e Quick Start Guide x 1 f Registration card x 1 g Service Brochure x 1 h AA batteries x 2 i D size Polishing Cloth x 1 j Safety Strap x 1 k Product Warranty Repair sheet x 1 External Control Panel Indicators ...

Page 10: ... SIDE Buttons 1 2 3 4 5 6 7 Name Power symbol MENU CH CH VOL VOL INPUT Standby Power on After AC on by pressing Power button LED indicator turns to white to indicate power on To turn off this device press this button again Menu Operation Press MENU button to activate the OSD Press this button again to exit Channel Selection By operating the CH and CH buttons channel should be selected At the time ...

Page 11: ... can be navigated left by VOL button and right by VOL button Input Change This button allows the user to cycle through the input sources in the following sequence TV AV1 S Video AV2 Video Component 1 Component 2 RGB HDMI 1 HDMI 2 and HDMI 3 5 Speaker Output 6Ω 10W max X2 6 ENVIRONMENT Operating Temperature 5 35 Ambient Operating Humidity Ta 35 C 90 RH Non condensing Operating Altitude 0 14 000 fee...

Page 12: ...lay AV Component A PICTURE ADJUST a Picture Mode Custom Standard Movie Game Vivid Football Golf Basketb all Baseball b Backlight 0 100 c Brightness 0 100 d Contrast 0 100 e Color 0 100 f Tint 32 32 g Sharpness 0 7 h Advance Video Noise Reduction Color Enhancement Advanced Adaptive Luma Backlight Control Color Temperature Film Mode i Rest Picture Mode ...

Page 13: ...al Audio Out PCM Off Dolby Digital f Speakers On Off g Analog Audio Out Fixed Variable h Lip Sync 0 5 i Reset Audio Mode C SETUP a Language English Espanol Francais b Sleep Timer OFF 30MIN 60MIN 90MIN 120MIN c Wide Zoom1 d Input Naming AV1 AV2 Component1 Compone nt2 RGB HDMI1 HDMI2 HDMI3 e CC Off CC1 CC2 CC3 CC4 f Parental Password g System Info h System Reset Setup Wizard Reset All Setting ...

Page 14: ... Block Unrated TV No Yes h Access Code Edit HDMI A PICTURE ADJUST a Picture Mode Custom Standard Movie Game Vivid Football Golf Basketb all Baseball b Backlight 0 100 c Brightness 0 100 d Contrast 0 100 e Color 0 100 f Tint 32 32 g Sharpness 0 7 h Advance Video Noise Reduction Color Enhancement Advanced Adaptive Luma Backlight Control Color Temperature Film Mode i Rest Picture Mode ...

Page 15: ...RS TSHD On OFF e Digital Audio Out PCM Off Dolby Digital f Speakers On Off g Analog Audio Out Fixed Variable h Lip Sync 0 5 i Reset Audio Mode C SETUP a Language English Espanol Francais b Sleep Timer OFF 30MIN 60MIN 90MIN 120MIN c Wide Zoom1 d Input Naming AV1 AV2 Component1 Compone nt2 RGB HDMI1 HDMI2 HDMI3 e System Info f System Reset Setup Wizard Reset All Setting ...

Page 16: ...ong Exte nd d Backlight Control OFF DCR OPC e Color Temperature Color Temperature Color temputer Normal Custom Red 0 255 Green 0 255 Blue 0 255 f Film Mode Auto OFF RGB MODE A PICTURE ADJUST a Auto Adjust b Backlight 0 100 c Brightness 0 100 d Contrast 0 100 e Color Temperature Color Temperature 9300 6500 CUSTOM Red 0 255 Green 0 255 Blue 0 255 f H Size 0 255 g H Position 0 100 h V Position 0 100 ...

Page 17: ... TSHD On Off e Digital Audio Out PCM Off Dolby Digital f Speakers On Off g Analog Audio Out Fixed Variable h Lip Sync 0 5 i Reset Audio Mode C SETUP a Language English Espanol Francais b Sleep Timer OFF 30MIN 60MIN 90MIN 120MIN c Wide Full Stretch d Input Naming AV1 AV2 Component1 Component2 RGB HDMI1 HDMI2 HDMI3 e System Info f System Reset Setup Wizard Reset All Setting ...

Page 18: ... f Tint 32 32 g Sharpness 0 7 h Advance Video Noise Reduction Color Enhancement Advanced Adaptive Luma Backlight Control Color Temperature Film Mode i Reset Picture Mode B AUDIO ADJUST ATV DTV a Audio Mode Flat Rock Pop Classic Jazz b Equalizer 120Hz0 500Hz 1 5KHz 5K Hz 10KHz c Balance 50 0 50 d SRS TSHD Off On e Digital Audio Out PCM Off Dolby Digital f Speakers On Off g Analog Audio Out Fixed Va...

Page 19: ...ountain Arizona Newfoundland Pacific Alaska Hawaii Atlantic g Daylight Saving On Off h Channel info D SETUP ATV only a Language English Espanol Francais b Sleep Timer OFF 30MIN 60MIN 90MIN 120MIN c Wide Normal Panoramic Zoom1 Zoom2 d Input Naming AV1 AV2 Component1 Component2 RGB HDMI1 HDMI2 HDMI3 e CC CC Digital CC Style f H V Position H Position V Position H Size V Size g Parental h System Info ...

Page 20: ...c Wide Zoom1 Stretch d Input Naming AV1 AV2 COMPONENT1 CO MPONNT2 RGB HDMI1 HDMI2 e CC CC Digital CC Style f Parental g System Info h System Setup Setup Wizard Reset All Setting F PARENTAL ATV DTV a Channel Block b US TV Rating c US Movie Rating d Canadian English Rating e Canadian French Rating f DTV Rating g Block Unrated TV h Access Code Edit ...

Page 21: ...r Green Flesh Green Blue c Advance Adaptive LUMA Off Low Medium Strong Extend d Backlight Control DCR OPC Off e Color Temperature Color Temperature Red Green Blue f Film Mode Auto Off H CC a CC Off CC1 2 3 4 Service1 2 3 4 5 6 b Digital CC Style Caption Style Font Size Font Color Font Opacity Background Color Background Opacity Window Color Window Opacity ...

Page 22: ...Regulator normal LED is White 1 Check Key Pad or Remote control is OK 2 Check U12 Pin 91 whether it s voltage level is low 3 Check Logo LED Circuit whether is normal Is backlight on 1 Is J8 PIN6 8 10 12 that voltage 12V ready 2 Check J8 PIN24 26 PWM signal is OK 3 Check J4 Pin14 whether it is high 4 Check J4 Pin17 whether its voltage is 0 0 8V Is Display Normal 1 Video cable is OK 2 Is P1 video in...

Page 23: ...hite 1 Check Key Pad or Remote control is OK 2 Check U12 Pin 91 whether it s voltage level is low 3 Check Logo LED Circuit whether is normal Is backlight on 1 Is J8 PIN6 8 10 12 that voltage 12V ready 2 Check J8 PIN24 26 PWM signal is OK 3 Check J4 Pin14 whether it is high 4 Check J4 Pin17 whether its voltage is 0 0 8V Is Display Normal 1 Video cable is OK 2 Is P4 P3 COMPOSITE INPUT and U34 or U24...

Page 24: ...s White 1 Check Key Pad or Remote control is OK 2 Check U12 Pin 91 whether it s voltage level is low 3 Check Logo LED Circuit whether is normal Is backlight on 1 Is J8 PIN6 8 10 12 that voltage 12V ready 2 Check J8 PIN24 26 PWM signal is OK 3 Check J4 Pin14 whether it is high 4 Check J4 Pin17 whether its voltage is 0 0 8V Is Display Normal 1 Video cable is OK 2 Is P2 P3 COMPONENT INPUT video input...

Page 25: ... LED is White 1 Check Key Pad or Remote control is OK 2 Check U12 Pin 91 whether it s voltage level is low 3 Check Logo LED Circuit whether is normal Is backlight on 1 Is J8 PIN6 8 10 12 that voltage 12V ready 2 Check J8 PIN24 26 PWM signal is OK 3 Check J4 Pin14 whether it is high 4 Check J4 Pin17 whether its voltage is 0 0 8V Is Display Normal 1 Video cable is OK 2 Is P7 9 video input signal nor...

Page 26: ...0 N0 N0 N0 N0 N0 N0 Yes TROUBLE OF DC DC CONVERTER Start J4 PIN10 11 12 U13 Pin2 J4 PIN 2 3 4 The voltage is 5V 1 Check power board 2 Check power cable connection J4 U1 pin 5 6 7 8 U2 U4 U7 pin2 The voltage is about 3 3V U3 pin3 4 The voltage is about 1 3V U6 pin6 U8 pin2 The voltage is about 1 25V U5 pin2 The voltage is about 2 6V U19 pin2 The voltage is about 2 5V U9 pin2 The voltage is about 2 ...

Page 27: ... DDC READING Start Analog DDC OK Support DDC1 2B 1 VGA cable ok 2 Check signal U22 to P1 3 Check U22 Voltage 4 Is compliant protocol HDMI DDC OK Support DDC1 2B 1 HDMI cable ok 2 Check signal U19 to P9 3 Check signal U31 to P7 4 Check signal U30 to P8 5 Is compliant protocol END ...

Page 28: ...NCTION IS NOT WORKING CORRECTLY Start Input signal good 1 Check Audio source 2 Check the player of source Output Source OK 1 Check Speaker or Audio Output P11 P12 Audio Signal Check amplifier OK END Check signal correct 1 Check MT8380 Audio In Out 2 U44 AUDIO In Out 1 Check U33 Audio Signal In OUT ...

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