Download Print this page
Hide thumbs Also See for L32:

Advertisement

Quick Links

Service Manual

Model #: VIZIO L32
V, Inc
320A Kalmus Drive Costa Mesa, CA 92626
TEL : +714-668-0588 FAX :+714-668-9099
Top Confidential

Advertisement

loading

Summary of Contents for Vizio L32

  • Page 1: Service Manual

    Service Manual Model #: VIZIO L32 V, Inc 320A Kalmus Drive Costa Mesa, CA 92626 TEL : +714-668-0588 FAX :+714-668-9099 Top Confidential...
  • Page 2 10-1 11.Spare Parts List 11-1 12. Complete Parts List (AUO PANEL) 12-1 13. Complete Parts List (SHARP PANEL) 13-1 Appendix 1. Main Board Circuit Diagram 2. Main Board PCB Layout 3. Assembly Explosion Drawing Block Diagram VIZIO L32 Service Manual...
  • Page 3 Use a power cable that is properly grounded. Always use the AC cords as follows – USA (UL); Canada (CSA); Germany (VDE); Switzerland (SEV); Britain (BASEC/BS); Japan (Electric Appliance Control Act); or an AC cord that meets the local safety standards. VIZIO L32 Service Manual...
  • Page 4 Chapter 1 Features 1. Built in TV channel selector for TV viewing 2. Simulatnueous display of PC and TV images 3. Connectable to PC’s analog RGB port 4. Built in s-video, HDTV, composite video, HDMI and TV out 5. Built in auto adjust function for automatic adjument of screen display 6.
  • Page 5 Chapter 2 Specification 1. LCD CHARACTERISTICS Type: WXGA TFT LCD Size: 31.5 inch Display Size: 31.5 inches (80.039mm) diagonal Outline Dimension: 780.0(H) x 450.0(V) x 51.0-(D) mm (Typ.) Pixel Pitch: 0.51075mm x 0.51075mm Pixel Format: 1366 horiz. By 768 vert. Pixels RGB strip arrangement Contrast ratio: 800(Typ) Luminance, White: 500 cd/m 2 (Typ) Display Operating Mode: normally Black...
  • Page 6 7. ENVIRONMENT 1. Operating Temperature: 5c~35c (Ambient) 2. Relative Humidity: Ta= 35 °C, 90%RH (Non-condensing) 8. DIMENSIONS (Physical 3. Altitude: 0 - 14,000 feet (4267.2m)(Non-Operating) dimension) Width: 818.3mm. Depth: 280.5mm Height: 643.8mm 9. WEIGHT (Physical weight) a. Net: 19.5kgs b. Gross: 23.5kgs Precaution Please pay attention to the followings when you use this TFT LCD module.
  • Page 7 (7) When the surface becomes dusty, please wipe gently with absorbent cotton or other soft materials like chamois soaks with petroleum benzene. Normal-hexane is recommended for cleaning the adhesives used to attach front / rear polarizers. Do not use acetone, toluene and alcohol because they cause chemical damage to the polarizer.
  • Page 8 Chapter 3 On Screen Display Main unit button Power Input MENU CH ▲ CH ▼ VOL + VOL - MENU / EXIT TV Source A. PICTURE ADJUST: a. PICTURE MODE (USER/ VIVID1 /VIVID2 / VIVID3) b. Adjust the BACKLIGHT (0~100) c.
  • Page 9 C. TV TUNER SETUP: a. SOUND (SAP/MONO/STEREO) b. TV/CABLE (TV/CABLE) c. CHANNEL SEARCH (RUN) d. SET CHANNEL e. SKIP CHANNEL (YES/NO) D. PARENTAL CONTROL: a. PARENT LOCK ENABLE (ON/OFF) b. TV RATING c. MOVIE RATING d. ACCESS CODE EDIT E. PIP SETUP: a.
  • Page 10 B. COLOR TEMP: a. COLOR TEMP. (User, 5000K, 6500K, 9300K) b. RED (0~255) c. GREEN (0~255) d. BLUE (0~255) C. AUDIO ADJUST: a. VOLUME (0~100) b. BASS (0~100) c. TREBLE (0~100) d. BALANCE (0~100) e. SURROUND (ON/OFF) f. REVERB (OFF, CONCERT, LIVING ROOM, HALL, ARENA) g.
  • Page 11 DIGITAL HD MODE A. PICTURE: a. PICTURE MODE (USER/ VIVID1 /VIVID2 / VIVID3) b. Adjust the BACKLIGHT (0~100) c. Adjust the BRIGHTNESS (0~100) d. Adjust the CONTRAST (0~100) e. Adjust the COLOR (saturation)(0~100) f. Adjust the TINT (hue) (0~100) g. Adjust the SHARPNESS (0~100) B.
  • Page 12 E. SPECIAL FEATURES: a. LANGUAGE (ENGLISH/FRANCE/SPANISH) b. SLEEP TIMER (OFF/30/60/90/120) c. WIDE FORMAT (NORMAL/WIDE/ZOOM、PANORAMIC) d. RESET ALL SETTING Video Sources : AV1、AV2、AV3、ANALOG HD1、ANALOG HD2 A. PICTURE: a. PICTURE MODE (USER/ VIVID1 /VIVID2 / VIVID3) b. Adjust the BACKLIGHT (0~100) c. Adjust the BRIGHTNESS (0~100) d.
  • Page 13 D. PIP SETUP: a. STYLE (OFF/PIP/POP) b. SOURCE (AV2、AV3、ANALOGHD1、ANALOG HD2、DIGITAL HD、 RGB、TV) c. SIZE (SMALL (20%)/MEDIUM (30%)/LARGE (40%)) d. POSITION (TOP LEFT/TOPCENTER/TOP RIGHT/MIDDLE LEFT/MIDDLE RIGHT/BOTTOMLEFT/BOTTOM ENTER/BOTTOM RIGHT) E. SPECIAL FEATURES: a. LANGUAGE (ENGLISH/FRANCE/SPANISH) b. SLEEP TIMER (OFF/30/60/90/120) c. WIDE FORMAT (NORMAL/WIDE/ZOOM、PANORAMIC) d.
  • Page 14 Chapter 9 Trouble shooting MONITOR DISPLAY NOTHING (PC MODE) Start Is Power board output +5V? LED is lighted Is J1 connector good? Is DC-DC OK? Is U4 (3.3V) working ok? It is in power saving Check video cable Is the timing supported? LED is lighting? Check sync input Check VGASOG rout if analog...
  • Page 15 (TV, COMPOSITE VIDEO1, 2, 3, S-VIDEO) IS NOT DISPLAY CORRECTLY Start 1.Check video Input signal good? 2.Check DVD player 1.Check P2 signal 2.Check signal between P2 and U20 (IF AV1/AV2 mode) U20 input correct? 3.Check Tuner &U20 (IF TV mode) 4.Check J4&J6 (IF AV3&S-Video) 5.Check U20 POWER +9V 6.Check U22 data input/output...
  • Page 16 (COMPONENT1, 2) IS NOT DISPLAY CORRECTLY Start 1.Check video Input signal good? 2.Check host’s setting 1.Check signal between P8&U21 U21 input correct? 2.Check U21 power 3.3V 1.Check signal between U21&U9 U9 input correct? 2.Check U9 Clock (27MHZ) 1.Check U9 2.Check U9 power 3.3V 1.8V LVDS output correct ? 1.Is J6 connected good? 2.Is panel working ok?
  • Page 17 (HDMI) IS NOT DISPLAY CORRECTLY Start 1.Check video Input signal good? 2.Check host’s setting 1.Check p1 connect U16 input correct? 2.Check signal between P1 and 1.Check U16 power U16 no data out ? 2.Check between signal U16 and 3.Check clock 28.224MHZ 1.Is J6 connected good? 2.Is panel working ok? CONFIDENTIAL –...
  • Page 18 TROUBLE OF DC-DC CONVERTER Start The voltage is about + 5V J1 PIN 9,10,11 1.Check power board 2.Check power cable connection The voltage is about + 12V while power switch on J1 PIN 2,3,4,5 1.J1 connection good 2.Check U9 GPIO Pin 3.Check power board The voltage is about +5V while power switch on...
  • Page 19 TROUBLE OF DDC READING Start Support DDC1/2B 1.Analog cable ok? 2.Check signal (U18 to P3) Analog DDC OK? 3.Check U18 Voltage 4.Is compliant protocol? Support DDC1/2B 1.Analog cable ok? 2.Check signal (U17 to P1) HDMIDDC OK? 3.Check U17 Voltage 4.Is compliant protocol? CONFIDENTIAL –...