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Vizio VECO320L1A Service Manual
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Vizio VECO320L1A Service Manual

32" lcd hdtv
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Service Manual

Model #: VIZIO VECO320L1A_
AUO-T315XW02
V, Inc
320A Kalmus Drive Costa Mesa, CA 92626
TEL : +714-668-0588 FAX :+714-668-9099
Top Confidential

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Summary of Contents for Vizio VECO320L1A

  • Page 1: Service Manual

    Service Manual Model #: VIZIO VECO320L1A_ AUO-T315XW02 V, Inc 320A Kalmus Drive Costa Mesa, CA 92626 TEL : +714-668-0588 FAX :+714-668-9099 Top Confidential...
  • Page 2 8. Waveforms 9. Trouble Shooting 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 Block Diagram VIZIO VECO320L1A_AUO 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 VECO320L1A_AUO 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. TFT-LCD CHARACTERISTICS Model Name: T315XW02_VQ Display Size: 31.51 inches Outline Dimension: 760.0 mm(H) x 450.0 mm(V) x 45.0 mm(D) (Typ.) Pixel Pitch: 0.5107 mm(H) x 0.5107 mm(V) Pixel Format: 1366 horiz. By 768 vert. Pixels RGB strip arrangement Display Operating Mode: Transmissive mode, normally Black Surface Treatment: Hard Coating (3H) ,Anti-glare treatment of the front polarizer.
  • Page 6 5. Speaker Output 10W (max) X2 6. ENVIRONMENT Operating Temperature: 0c~50c (Ambient) Operating Humidity: Ta= 39 °C, 90%RH (Non-condensing) Operating Altitude: 0 - 14,000 feet (4267.2m)(Non-Operating) 7. DIMENSIONS (Physical dimension) Width: 895mm. +/- 10 mm Depth: 225mm +/- 10 mm Height: 710mm +/- 10 mm 8.
  • Page 7 (6) When fixed patterns are displayed for a long time, remnant image is likely to occur. (7) Module has high frequency circuits. Sufficient suppression to the electromagnetic interference shall be done by system manufacturers. Grounding and shielding methods may be important to minimize the interface.

  • Page 8: Initial Setup

    Chapter 3 On Screen Display On Screen Display (OSD) is a friendly interface providing the function adjusting in our system. Customers could operate it only by few buttons. There is the introduction of the OSD. Main unit button MENU ↑ ↓...
  • Page 9 TV Source A. Picture：(Bold: Default) a. Picture Mode (Standard / Movie / Game / Custom) b. Backlight (0~100, 90) c. Brightness (0~100, 50) d. Contrast (0~100, 50) e. Color (saturation)(0~100, 50) f. Tint (hue) (-32~32, 0) g. Sharpness (0~7, 4) h.
  • Page 10 Page 3-3 – CONFIDENTIAL DO NOT COPY File No. SG-0291...
  • Page 11 B. Audio：(Bold: Default) a. Volume (0~100, 25) b. Bass (0~100, 50) c. Treble (0~100, 50) d. Balance (-50~50, 0) e. SRS TSXT(ON/OFF) f. Digital Audio Out (PCM/OFF/Dolby Digital) g. Speaker (ON/OFF) h. Lip Sync (0~5 , 0) Page 3-4 – CONFIDENTIAL DO NOT COPY File No.
  • Page 12 C. TV：(Bold: Default) a. Tuner Mode (Cable/Antenna) b. Auto Search c. Skip Channel d. MTS (Stereo/SAP/Mono) e. Time Zone( Eastern, Atlantic, Indiana, Central, Mountain, Arizona, Newfoundland, Pacific, Alaska, Hawaii) f. Daylight Saving (ON/OFF) Page 3-5 – CONFIDENTIAL DO NOT COPY File No.
  • Page 13 D. Setup：(Bold: Default) a. Language (English/ Français / Espaňol) b. Sleep Timer (OFF/30Min/60Min/90Min/120Min) c. Wide (Wide/Panoramic/Normal/Stretch) d. Input Naming (AV /COMPONENT1/COMPONENT2/RGB/HDMI1/HDMI2) e. CC (OFF/CC1~4) f. Digital CC Style g. H/V Position h. Reset All Setting Page 3-6 – CONFIDENTIAL DO NOT COPY File No.
  • Page 14 E. Parental：(Bold: Default) Password (Default => 0000) a. Cannel Block b. US TV Rating c. US Move Rating d. Canadian English Rating e. Canadian French Rating f. DTV Rating g. Block TV Unrated (NO/Yes) h. Access Code Edit Page 3-7 –...
  • Page 15 Page 3-8 – CONFIDENTIAL DO NOT COPY File No. SG-0291...
  • Page 16 RGB Mode A. Picture Adjust：(Bold: Default) a. Auto Adjust b. Backlight (0~100, 90) c. Brightness (0~100, 50) d. Contrast (0~100, 50) e. Color Temperature (9300/Custom/6500) f. H-Size (0~255, 127) g. H-Position (0~100, 48) h. V-Position (0~100, 47) i. Fine Tune (0~31, 29) Page 3-9 –...
  • Page 17 B. Audio：(Bold: Default) a. Volume (0~100, 25) b. Bass (0~100, 50) c. Treble (0~100, 50) d. Balance (-50~50, 0) e. SRS TSXT(ON/OFF) f. Digital Audio Out(PCM/OFF/Dolby Digital) g. Speakers (ON/OFF) h. Lip Sync (0~5 , 0) Page 3-10 – CONFIDENTIAL DO NOT COPY File No.
  • Page 18 C. Setup：(Bold: Default) a. Language (English/ Français / Espaňol) b. Sleep Timer (OFF/30Min/60Min/90Min/120Min) c. Wide (Wide/Normal/Stretch) d. Input naming (AV/COMPONENT1/COMPONENT2/HDMI1/HDMI2) e. Rest All Setting (OK/Cancel) Page 3-11 – CONFIDENTIAL DO NOT COPY File No. SG-0291...
  • Page 19 AV / COMPONENT MODE A. Picture：(Bold: Default) a. Picture Mode (Custom/Standard/Movie /Game / Custom) b. Backlight (0~100, 90) c. Brightness (0~100, 50) d. Contrast (0~100, 50) e. Color (saturation)(0~100, 50) f. Tint (hue) (-32~32, 0) g. Sharpness (0~7, 4) h. Color Temperature (CUSTOM/COOL/COMPUTER/NORMAL) i.
  • Page 20 B. Audio：(Bold: Default) a. Volume (0~100, 25) b. Bass (0~100, 50) c. Treble (0~100, 50) d. Balance (-50~50, 0) e. SRS TSXT(ON/OFF) f. Digital Audio Out (PCM/OFF/Dolby Digital) g. Speakers (ON/OFF) h. Lip Sync (0~5) Page 3-13 – CONFIDENTIAL DO NOT COPY File No.
  • Page 21 C. Setup：(Bold: Default) a. Language (English/ Français / Espaňol) b. Sleep Timer (OFF/30Min/60Min/90Min/120Min) c. Wide (Wide/Normal) d. Input Naming (AV/COMPONENT1/COMPONENT2/HDMI1/HDMI2) e. CC(OFF/CC1-4) f. H/V Position g. Reset All Setting (OK/Cancel) Page 3-14 – CONFIDENTIAL DO NOT COPY File No. SG-0291...
  • Page 22 D. Parental：(Bold: Default) Password (Default => 0000) a. Cannel Block b. US TV Rating c. US Move Rating d. Canadian English Rating e. Canadian French Rating f. DTV Rating g. Block TV Unrated (NO/Yes) h. Access Code Edit Page 3-15 –...

  • Page 23: Hdmi Mode

    HDMI MODE A. Picture：(Bold: Default) a. Picture Mode (Custom/Movie/Game/Standard Custom) b. Backlight (0~100, 90) c. Brightness (0~100, 50) d. Contrast (0~100, 50) e. Color (saturation)(0~100, 50) f. Tint (hue) (-32~32, 0) g. Sharpness (0~7, 4) h. Color Temperature (CUSTOM/COOL/COMPUTER/NORMAL) i. Advanced Video 1.
  • Page 24 B. Audio：(Bold: Default) a. Volume (0~100, 25) b. Bass (0~100, 50) c. Treble (0~100, 50) d. Balance (-50~50, 0) e. SRS TSXT(ON/OFF) f. Digital Audio Out g. Speakers (ON/OFF) h. Lin Sync (0~5 , 0) Page 3-17 – CONFIDENTIAL DO NOT COPY File No.
  • Page 25 C. Setup： a. Language (English/ Français / Espaňol) b. Sleep Timer (OFF/30Min/60Min/90Min/120Min) c. Wide (Wide/Normal/Stretch) d. Input Naming (AV/COMPONENT1/COMPONENT2/HDMI1/HDMI2) e. H/V Position f. Rest All Setting (OK/Cancel) Page 3-18 – CONFIDENTIAL DO NOT COPY File No. SG-0291...
  • Page 26 [INPUT] “INPUT” could supply an interface providing a list. The list shows input sources and provides the choices of different sources. The list includes items as below: A. TV: Analog TV or digital TV B. AV: Composite (AV) & S-Video signal C.
  • Page 27 Chapter 9 Trouble shooting MONITOR DISPLAY NOTHING (PC MODE) Start Is Power board output +5VSB (F1)? Is J1 connector of MB good? LED is lighted Is DC-DC OK? (Orangegreen) Is U4 pin2 (+3V3SB) working ok? It is in power saving 1.
  • Page 28 (TV, COMPOSITE VIDEO1, 2, 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 U12 (IF AV1/AV2 mode) U12 input correct? 3. Check Tuner & U12 (IF TV mode) 4.
  • Page 29 (COMPONENT1, 2) IS NOT DISPLAY CORRECTLY Start 1. Check video Input signal good? 2. Check host’s setting 1. Check signal from P10 & P11 P10 input correct? 2. Check system power 12V& 5V(5VSB) 1. Check signal between U12 & P10 2.
  • Page 30 HDMI ) IS NOT DISPLAY CORRECTLY Start 1. Check video Input signal 2. Check host’s setting 1. Check P7 & P9 connect U12 no data out ? 2. Check the pin18 & 19 of P7 & P9 3. Check the pin 16 & 15 of U19 & 1.Is J5 connected good? 2.Is panel working ok? –...
  • Page 31 TROUBLE OF DC-DC CONVERTER Start The voltage is about + 5V(+5VSB) 1. Check power board 2. Check power cable, F1 & connection J1 3. Check U4 pin1 (+5VSB) & pin2 (+3V3SB) The voltage is about + 12V while power switch on 1.
  • Page 32 TROUBLE OF EDID READING Start Support DDC1/2B 1. Analog cable ok? Is Analog DDC OK? 2 .Check signal (U26 to P5) 3. Check U26 Voltage 4. Is protocol compliant? Support DDC1/2B 1. Analog cable ok? Is HDMI DDC OK? 2. Check signal (U19 to P7) 3.