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Vizio VX32L Service Manual
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Vizio VX32L Service Manual

Vizio VX32L Service Manual

Hdtv20a
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Service Manual

Model #: VIZIO VX32L/VW32L
HDTV20A
(AUO/LPL/Samsung Panel)
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 VX32L

  • Page 1: Service Manual

    Service Manual Model #: VIZIO VX32L/VW32L HDTV20A (AUO/LPL/Samsung Panel) 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 VX32L/VW32L HDTV10A 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 VX32L/VW32L HDTV10A 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 LPL LC320WX3-SLC1 Item Specification Display Pixels 1,366 (H) x 768 (V) pixels Pixel Pitch 170.25 um(H) x 510.75 um(V) x RGB Color Depth 8 bits 16.7 million colors Active Display Area 697.685 mm(H)X392.256 mm(V) Brightness (panel spec) 400cd/m (typ)
  • Page 6 White x=0.28±0.03, y=0.29±0.03 x=0.64±0.03, y=0.33±0.03 Green x=0.29±0.03, y=0.60±0.03 Blue x=0.15±0.03, y=0.06±0.03 Samsung LTA320WT-L05 Item Specification Display Pixels 1,366 (H) x 768 (V) pixels Pixel Pitch 0.51075(H)X0.17025(W)*3 Color Depth 8 bits 16.7 million colors Active Display Area 697.6845(H)X392.256(V) Brightness (panel spec) 450cd/m (typ) Contrast ratio (panel spec)
  • Page 7 3. Input Connectors 1 x RF Connector for internal ATSC/QAM/NTSC Hybrid Tune 2x HDMI with HDCP plus Stereo Audio (RCA) 2x Component YPbPr plus Stereo Audio 1x RGB PC(WXGA) plus Stereo Audio 1x Composite Video plus stereo Audio 1x S-VIDEO Connect 4.
  • Page 8 Precaution Please pay attention to the followings when you use this TFT LCD module. 1. OPERATING PRECAUTIONS (1) The spike noise causes the mis-operation of circuits. It should be lower than following voltage : V=±200mV(Over and under shoot voltage) (2) Response time depends on the temperature. (In lower temperature, it becomes longer.) (3) Brightness depends on the temperature.
  • Page 9 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 CH ▲ ↑...
  • Page 10 CONFIDENTIAL DO NOT COPY Page 3-2 – File No. SG-0241...
  • 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. Surround (ON/OFF) f. Digital Audio Out (PCM/OFF/Dolby Digital) g. Speaker (ON/OFF) h. Lip Sync (0~5 , 0) CONFIDENTIAL DO NOT COPY Page 3-3 –...
  • 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/Indiana/Central/Mountain/Arizona/Pacific/Alaska/Hawaii) f. Daylight Saving (ON/OFF) CONFIDENTIAL DO NOT COPY Page 3-4 – File No. SG-0241...
  • Page 13 D. Setup：(Bold: Default) a. Language (English/ Français / Espaňol) b. Minuterie de veille (OFF/30Min/60Min/90Min/120Min) c. Wide (Wide/Panoramic/Normal) d. Input Naming (AV1/AV2/COMP1/COMP2/RGB/HDMI1/HDMI2) e. CC (OFF/CC1~4) f. CC On Mute (OFF/ON) g. Style de Sous-titre h. H/V Position i. Valeurs par defaut CONFIDENTIAL DO NOT COPY Page 3-5...
  • Page 14 E. Parental：(Bold: Default) Password (Default => 0000) a. Cannel Block b. TV Rating c. Move Rating d. Check for New DTV Rating d. Block TV Unrated TV (NO/Yes) e. Access Code Edit CONFIDENTIAL DO NOT COPY Page 3-6 – File No. SG-0241...

  • Page 15: Rgb Mode

    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) CONFIDENTIAL DO NOT COPY Page 3-7...
  • Page 16 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. Surround (ON/OFF) f. Digital Audio Out(PCM/OFF/Dolby Digital) g. Speakers (ON/OFF) h. Lip Sync (0~5 , 0) CONFIDENTIAL DO NOT COPY Page 3-8 –...
  • Page 17 C. Setup：(Bold: Default) a. Language (English/ Français / Espaňol) b. Sleep Timer (OFF/30Min/60Min/90Min/120Min) c. Wide (Wide/Normal) d. Input naming (AV1/AV2/COMP1/COMP2/HDMI1/HDMI2) e. Rest All Setting (OK/Cancel) CONFIDENTIAL DO NOT COPY Page 3-9 – File No. SG-0241...
  • Page 18 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 (Cool/Normal/Warm/Custom) i.
  • Page 19 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. Surround (ON/OFF) f. Digital Audio Out (PCM/OFF/Dolby Digital) g. Speakers (ON/OFF) h. Lip Sync (0~5) CONFIDENTIAL DO NOT COPY Page 3-11 –...
  • Page 20 C. Setup：(Bold: Default) a. Language (English/ Français / Espaňol) b. Sleep Timer (OFF/30Min/60Min/90Min/120Min) c. Wide (Wide/Normal) d. Input Naming (AV1/AV2/COMP1/COMP2/HDMI1/HDMI2) e. CC(OFF/CC1-4) f. CC On Mute (OFF/ON) g. H/V Position h. Reset All Setting (OK/Cancel) CONFIDENTIAL DO NOT COPY Page 3-12 –...
  • Page 21 D. Parental：(Bold: Default) Password (Default => 0000) a. Cannel Block b. TV Rating c. Move Rating d. Block Unrated TV (NO/Yes) e. Access Code Edit CONFIDENTIAL DO NOT COPY Page 3-13 – File No. SG-0241...

  • Page 22: 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 (Cool/Normal/Warm/Custom) i. Advanced Video 1.
  • Page 23 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. Surround (ON/OFF) f. Digital Audio Out g. Speakers (ON/OFF) h. Lin Sync (0~5 , 0) CONFIDENTIAL DO NOT COPY Page 3-15 –...
  • Page 24 C. Setup：(Bold: Default) a. Language (English/ Français / Espaňol) b. Sleep Timer (OFF/30Min/60Min/90Min/120Min) g. Rest All Setting (OK/Cancel) CONFIDENTIAL DO NOT COPY Page 3-16 – File No. SG-0241...
  • Page 25 [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. AV1, AV2: Composite (AV) signal C.
  • Page 26 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 U22 pin2 (+3V3SB) working ok? It is in power saving 1.
  • Page 27 (TV, COMPOSITE VIDEO1, 2, S-VIDEO) IS NOT DISPLAY CORRECTLY Start 1. Check video Input signal good? 2. Check DVD player 1. Check P2 & J4 signal 2. Check signal between P2 and U13 (IF AV1/AV2 mode) U13 input correct? 3. Check Tuner & U13 (IF TV mode) 4.
  • Page 28 (COMPONENT1, 2) IS NOT DISPLAY CORRECTLY Start 1. Check video Input signal good? 2. Check host’s setting 1. Check signal from P3 & P4 P3 input correct? 2. Check system power 12V& 5V(5VSB) 1. Check signal between U13 & P3 2.
  • Page 29 HDMI ) IS NOT DISPLAY CORRECTLY Start 1. Check video Input signal 2. Check host’s setting 1. Check P7 & P9 connect U13 no data out ? 2. Check the pin18 & 19 of P7 & P9 3. Check the pin 6 of U32 & U34 1.Is J9 connected good? 2.Is panel working ok? CONFIDENTIAL...
  • Page 30 TROUBLE OF DC-DC CONVERTER Start The voltage is about + 5V(+5VSB) 1. Check power board J1 PIN9,PIN10,PIN11 2. Check power cable, F1 & connection J1 3. Check U22 pin1 (+5VSB) & pin2 (+3V3SB) The voltage is about + 12V while power switch on 1.

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Vw32l