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Vizio VX37L HDTV10A Service Manual

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Service Manual

Model #: VIZIO VX37L 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 VX37L HDTV10A

  • Page 1: Service Manual

    Service Manual Model #: VIZIO VX37L 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 VX37L 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 VX37L 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 Model Name: LPL LC370WX1-SLA1 (Vendor: LG. Philips LCD Co., Ltd) Size: 3702inch Display Size: 37.02 inches (940.3mm) diagonal Outline Dimension: 877.0 mm (H) x 516.8 mm (V) x 55.5 mm (D) (Typ.) Pixel Pitch: 0.200mm x 0.600mm x RGB Pixel Format: 1366 horiz.
  • Page 6 6. ENVIRONMENT Operating Temperature: 5c~35c (Ambient) Operating Humidity: Ta= 35 °C, 90%RH (Non-condensing) Operating Altitude: 0 - 14,000 feet (4267.2m)(Non-Operating) 7. DIMENSIONS (Physical dimension) Width: 800 mm. +/- 20 mm Depth: 1060 mm +/- 20 mm Height: 360 mm +/- 20 mm 8.
  • Page 7 2. 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 8 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 9 CONFIDENTIAL DO NOT COPY Page 3-2 – File No. SG-0209...
  • Page 10 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 3-3 – File No. SG-0209...
  • 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 3-4 – File No. SG-0209...
  • 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 3-6 – File No. SG-0209...
  • 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 DO NOT COPY Page 3-7...
  • 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 3-8 – File No. SG-0209...
  • Page 16 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 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) i.
  • 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 3-11 – File No. SG-0209...
  • 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 3-13 – File No. SG-0209...
  • Page 21 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) i.
  • 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 3-15 – File No. SG-0209...
  • 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 3-16 – File No. SG-0209...
  • 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 solvents 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 1. Check video cable 2.
  • Page 26 (TV, COMPOSITE VIDEO1, 2, S-VIDEO) IS NOT DISPLAY CORRECTLY Start 1. Check video Input signal 2. Check DVD player 1. Check P11&J4 signal 2. Check signal between P2 and U4 (IF AV1/AV2 mode) U4 input correct? 3. Check Tuner &U4 (IF TV mode) 4.
  • Page 27 (COMPONENT1, 2) IS NOT DISPLAY CORRECTLY Start 1. Check video Input signal 2. Check host’s setting 1. Check signal from P1 2. Check system power 12V& 5v P4 input correct? 1. Check signal between U4&P1 2. Check X1 Clock (27MHZ) U11 input correct? 1.
  • Page 28 HDMI ) IS NOT DISPLAY CORRECTLY Start 1. Check video Input signal 2. Check host’s setting 1. Check p6&p7 connect U11 no data 2. Check the pin18 & 19 of P6 & P7 3. Check the pin 6 of U23 & U25 U31 input 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 2. Check signal (U23 to P6) 3.