Vizio VL320M - 32" LCD TV Service Manual Download Page 1

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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 #: VL320M_LGD

_LC320WUG-SBR1-6R1/7R1

(T32USVZB1RF-.VL320M1~4)

Summary of Contents for VL320M - 32" LCD TV

Page 1: ...NOLOGY 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 VL320M_LGD _LC320WUG SBR1 6R1...

Page 2: ...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...

Page 3: ...ications 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 c...

Page 4: ...uilt 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 mag...

Page 5: ...QAM PC Inputs 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 plu...

Page 6: ...ical 500 Contrast Ratio 1300 1 x 0 279 Typ White y 0 292 Typ x 0 638 Typ Red y 0 340 Typ x 0 279 Typ Green y 0 611 Typ x 0 146 Typ Color coordinate typical 0 030 Blue y 0 062 Typ Remark All characteri...

Page 7: ...nel surface Gap 3 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 Mo...

Page 8: ...V mm PACKAGING SPECIFICATION Packaged dimensions a Height 710 0 10 mm b Width 895 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 390 units...

Page 9: ...V Component A PICTURE ADJUST a Picture Mode Custom Standard Movie Game Vivid Football Golf Basket ball Baseball b Backlight 0 100 c Brightness 0 100 d Contrast 0 100 e Color 0 100 f Tint 32 32 g Sharp...

Page 10: ...50 0 50 d SRS 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...

Page 11: ...annel Block b US TV Rating c US Movie Rating d Canadian English Rating e Canadian French Rating f DTV Rating g Block TV Unrated No Yes h Access Code Edit E ADVANCED VIDEO a Noise Reduction b Color Enh...

Page 12: ...PICTURE ADJUST a Picture Mode Custom Standard Movie Game Vivid Football Golf Basket ball 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 Ad...

Page 13: ...erature i Reset Picture Mode B AUDIO ADJUST a Audio Mode Flat Rock Pop Classic Jazz b Equalizer c Balance 50 0 50 d SRS TSHD Off On e Digital Audio Out PCM Off Dolby Digital f Speakers On Off g Analog...

Page 14: ...English Espanol Francais b Sleep Timer OFF 30MIN 60MIN 90MIN 120MIN c Wide d Input Naming e H V Position f System Reset Setup Wizard Reset All Setting D ADVANCED VIDEO a Noise Reduction b Color Enhanc...

Page 15: ...00 e Color Temperature 9300 6500 CUSTOM f H Size 0 255 g H Position 0 100 h V Position 0 100 i Fine Tune 0 31 B AUDIO ADJUST a Audio Mode Flat Rock Pop Classic Jazz b Equalizer c Balance 50 0 50 d SRS...

Page 16: ...120MIN c Wide d Input Naming e System Reset Setup Wizard Reset All Setting TV DTV MODE A PICTURE ADJUST ATV DTV a Picture Mode Custom Standard Movie Game Vivid Football Golf Basket ball Baseball b Ba...

Page 17: ...dio 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 TV a Tuner Mode Cable Antenna b Auto Search c Partial Channel Search d Skip Channe...

Page 18: ...CC Style g H V Position H Position V Position H Size V Size h Parental i System Reset Setup Wizard Reset All Setting E SETUP DTV only a Language English Espanol Francais b Sleep Timer OFF 30MIN 60MIN...

Page 19: ...ting e Canadian French Rating f DTV Rating g Block Unrated TV h Access Code Edit G ADVANCED VIDEO ATV DTV a Noise Reduction Low Medium Strong b Color Enhancement Normal Rich Color Green Flesh Green Bl...

Page 20: ...CONFIDENTIAL DO NOT COPY Page 3 12 File No SG 0301 I CC a CC Off CC1 2 3 4 Service1 2 3 4 5 6 b Digital CC Style...

Page 21: ...ntrol Panel Indicators LED INDICATOR DISPLAY ON THE FRONT LED indicator Status Remark Off AC power off By disconnecting the power cord White Power on Becoming dimmer after lighting up a few seconds Or...

Page 22: ...be selected At the time channel should increase with CH button and decrease with CH button When the MENU is activated it can be navigated up by CH button and down by CH button Volume Adjustment By op...

Page 23: ...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...

Page 24: ...White Check Key Pad or Remote control is OK Check U12 Pin 91 whether it s voltage level is low Check Logo LED Circuit whether is normal Is backlight on Is J8 PIN6 8 10 12 that voltage 12V ready Check...

Page 25: ...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 r...

Page 26: ...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 1...

Page 27: ...0 N0 N0 N0 N0 N0 N0 Yes TROUBLE OF DC DC CONVERTER Start J4 PIN10 11 12 U13Pin2 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 U7pin2 The vol...

Page 28: ...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...

Page 29: ...ION 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 Chec...

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