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Vizio VX42L HDTV10A Service Manual

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Service Manual

Model #: VIZIO VX42L HDTV10A /
VW42L HDTV10A
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 VX42L HDTV10A

  • Page 1: Service Manual

    Service Manual Model #: VIZIO VX42L HDTV10A / VW42L HDTV10A 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 VX42L/VW42L 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 VX42L/VW42L 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. LCD CHARACTERISTICS Type: 42.0 WXGA TFT LCD Size: 42.02inch Display Size: 42.02 inches (1067.308mm) diagonal Outline Dimension: 983 mm (H) x 576 mm (V) x 51 mm (D) (Typ.) Pixel Pitch: 0.227mm x 0.681mm x RGB Pixel Format: 1366 horiz.
  • Page 6 6.Speaker Output 10W (max) X2 7. ENVIRONMENT 7-1. Operating Temperature: 5c~35c (Ambient) 7-2. Operating Humidity: Ta= 35 °C, 90%RH (Non-condensing) 7-3. Operating Altitude: 0 - 14,000 feet (4267.2m)(Non-Operating) 8. DIMENSIONS (Physical dimension) Width: 1028 mm. Depth: 99.0mm Height: 694.0mm 9. WEIGHT (Physical weight) a.
  • Page 7 (6) Do not touch, push or rub the exposed polarizes with glass, tweezers or anything harder than HB pencil lead. And please do not rub with dust clothes with chemical treatment. Do not touch the surface of polarizer for bare hand or greasy cloth.(Some cosmetics are detrimental to the polarizer.) (7) When the surface becomes dusty, please wipe gently with absorbent cotton or other soft materials like chamois soaks with petroleum benzene.
  • Page 8 9-3. HANDLING PRECAUTIONS FOR PROTECTION (1) The protection film is attached to the bezel with a small masking tape. When the protection film is peeled off, static electricity is generated between the film and polarizer. This should be peeled off slowly and carefully by people who are electrically grounded and with well ion-blown equipment or in such a condition, etc.
  • 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 A. Picture:(Bold: Default) a. Picture Mode (Standard/Movie /Game / Custom) b. Backlight (0~100, 90) c. Contrast (0~100, 50) d. Brightness (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) B. Audio:(Bold: Default) a.
  • Page 11 C. TV:(Bold: Default) a. Tuner Mode (Cable/Air) b. Auto Search c. Skip Channel d. Digital Audio Out (PCM/Dolby Digital/OFF) e. Time Zone (Eastern/Indiana/Central/Mountain/Arizona/Pacific/Alaska/Hawaii) CONFIDENTIAL – DO NOT COPY Page 3-3 File No. SG-0211...
  • Page 12 D. Setup:(Bold: Default) a. Language (English/ Français / Espaňol) b. Sleep Timer (OFF/30Min/60Min/90Min/120Min) c. Analog CC (OFF/CC1~4/TT1~4) d. Digital CC (OFF/CC1~4/Service1~6) e. Digital CC Style 1. Caption Style (As Broadcaster/Custom) 2. Size (Large/Small/Medium) 3. Font Color (White/Green/Blue/Red/Cyan/Yellow/Magenta/Black) 4. Font Opacity (Solid/Translucent/Transparent) 5.
  • Page 13 E. 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 3-5 File No. SG-0211...
  • Page 14: Rgb Mode

    RGB Mode A. Picture Adjust:(Bold: Default) a. Auto Adjust b. Backlight (0~100, 90) c. Contrast (0~100, 50) d. Brightness (0~100, 50) e. Color Temperature (6500/9300/Custom) f. H-Size (0~255, 127) g. H-Position (0~100, 65) h. V-Position (0~100, 49) i. Fine Tune (0~31, 17) CONFIDENTIAL –...
  • Page 15 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. Speakers (ON/OFF) CONFIDENTIAL – DO NOT COPY Page 3-7 File No. SG-0211...
  • Page 16 D. Setup:(Bold: Default) a. Language (English/ Français / Espaňol) b. Sleep Timer (OFF/30Min/60Min/90Min/120Min) c. Analog CC (OFF/CC1~4/TT1~4) d. Digital CC (OFF/CC1~4/Service1~6) e. Digital CC Style 1. Caption Style (As Broadcaster/Custom) 2. Size (Large/Small/Medium) 3. Font Color (White/Green/Blue/Red/Cyan/Yellow/Magenta/Black) 4. Font Opacity (Solid/Translucent/Transparent) 5.
  • Page 17 AV / COMPONENT MODE A. Picture:(Bold: Default) a. Picture Mode (Standard/Movie /Game / Custom) b. Backlight (0~100, 90) c. Contrast (0~100, 50) d. Brightness (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) CONFIDENTIAL –...
  • Page 18 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. Speakers (ON/OFF) CONFIDENTIAL – DO NOT COPY Page 3-10 File No. SG-0211...
  • Page 19 C. Setup:(Bold: Default) a. Language (English/ Français / Espaňol) b. Sleep Timer (OFF/30Min/60Min/90Min/120Min) c. Analog CC (OFF/CC1~4/TT1~4) d. Digital CC (OFF/CC1~4/Service1~6) e. Digital CC Style 1. Caption Style (As Broadcaster/Custom) 2. Size (Large/Small/Medium) 3. Font Color (White/Green/Blue/Red/Cyan/Yellow/Magenta/Black) 4. Font Opacity (Solid/Translucent/Transparent) 5.
  • Page 20 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 3-12 File No. SG-0211...
  • Page 21: Hdmi Mode

    HDMI MODE A. Picture:(Bold: Default) a. Picture Mode (Standard/Movie /Game / Custom) b. Backlight (0~100, 90) c. Contrast (0~100, 50) d. Brightness (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) CONFIDENTIAL –...
  • Page 22 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. Speakers (ON/OFF) CONFIDENTIAL – DO NOT COPY Page 3-14 File No. SG-0211...
  • Page 23 C. Setup:(Bold: Default) a. Language (English/ Français / Espaňol) b. Sleep Timer (OFF/30Min/60Min/90Min/120Min) c. Analog CC (OFF/CC1~4/TT1~4) d. Digital CC (OFF/CC1~4/Service1~6) e. Digital CC Style g. Rest All Setting (OK/Cancel) CONFIDENTIAL – DO NOT COPY Page 3-15 File No. SG-0211...
  • Page 24 [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 25 Chapter 9 Trouble shooting MONITOR DISPLAY NOTHING (PC MODE) Start Is Power board output +5V(F2)? LED is lighted Is J1 connector good? (Orange) Is DC-DC OK? Is U8 pin2 (3.3V) working ok? It is in power saving Check video cable Is the timing supported? LED is lighting? Check sync input...
  • Page 26 (TV, COMPOSITE VIDEO1, 2, S-VIDEO) IS NOT DISPLAY CORRECTLY Start 1. Check video Input signal good? 2. Check DVD player 1. Check P11&J4 signal 2. Check signal between P2 and U4 (IF AV1/AV2 mode) 3. Check Tuner &U4 (IF TV mode) U4 input correct? 4.
  • Page 27 (COMPONENT1, 2) IS NOT DISPLAY CORRECTLY Start 1. Check video Input signal good? 2. Check host’s setting 1. Check signal from P1 P4 input correct? 2. Check system power 12V& 5v 1. Check signal between U4&P1 U11 input correct? 2. Check X1 Clock (27MHZ) Is LVDS output 1.
  • Page 28 HDMI ) IS NOT DISPLAY CORRECTLY Start 1. Check video Input signal good? 2. Check host’s setting 1. Check p6&p7 connect U11 no data out ? 2. Check the pin18 & 19 of P6 & P7 3. Check the pin 6 of U23 & U25 1.
  • Page 29 TROUBLE OF DC-DC CONVERTER Start The voltage is about + 5V 1. Check power board J1 PIN10,11,12 2. Check power cable, F2 & connection J1 3. Check U8 pin1 (+5V) & pin2 (+3.3V) The voltage is about + 12V while power switch on 1.
  • Page 30 TROUBLE OF EDID READING Start Support DDC1/2B 1. Analog cable ok? Is Analog DDC OK? 2 .Check signal (U21 to P3) 3. Check U21 Voltage 4. Is protocol compliant? Support DDC1/2B 1. Analog cable ok? Is HDMI DDC OK? 2. Check signal (U23 to P6) 3.

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