Vizio VOJ370F1A_MT5382_LGD Service Manual
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Vizio VOJ370F1A_MT5382_LGD Service Manual

Vizio VOJ370F1A_MT5382_LGD Service Manual

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Service Manual

Model #: VIZIO
VOJ370F1A_MT5382_LGD
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 VOJ370F1A_MT5382_LGD

  • Page 1: Service Manual

    Service Manual Model #: VIZIO VOJ370F1A_MT5382_LGD V, Inc 320A Kalmus Drive Costa Mesa, CA 92626 TEL : +714-668-0588 FAX :+714-668-9099 Top Confidential...
  • Page 2 7. Theory of Circuit Operation 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 VIZIO VOJ370F1A_MT5382_LGD Service Manual...

  • Page 3: Fcc Information

    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 VOJ370F1A_MT5382_LGD Service Manual...

  • Page 4: Chapter 2 Specification

    Chapter 2 Specification 1. TFT-LCD CHARACTERISTICS Model Name: VOJ370F1A Display Size: 37 inches (940.091mm) diagonal Outline Dimension: 877.0 mm (H) x 516.8 mm (V) x 55.5 mm (D) (Typ.) Pixel Pitch: 0.42675 mm x 0.42675 mm x RGB Pixel Format: 1920 horiz. by 1080 vert. Pixels, RGB stripe arrangement Display Operating Mode: Transmissive mode, normally Black Surface Treatment: Hard Coating (3H), Anti-glare treatment of the front polarizer (Haze 13%).

  • Page 5: Power Supply

    4. POWER SUPPLY Input Voltage Level: 100~120 Vac, 50/ 60 Hz Power Consumption: 210W Max. Power Off / Standby: to less than 1W 5. Speaker Output 12W (max) X2 6. ENVIRONMENT Operating Temperature: 0c~35c (Ambient) Operating Humidity: Ta= 35 °C, 90%RH (Non-condensing) Operating Altitude: 0 - 14,000 feet (4267.2m)(Non-Operating) 7.
  • Page 6 (3) Brightness depends on the temperature. (In lower temperature, it becomes lower.) And in lower temperature, response time (required time that brightness is stable after turned on) becomes longer. (4) Be careful for condensation at sudden temperature change. Condensation makes damage to polarizer or electrical contacted parts. And after fading condensation, smear or spot will occur.
  • Page 7 C h a p t e r 3 O n S c r e e n D i s p l a y 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 + ³...
  • Page 8 A. Picture: (Bold: Default ) a. Picture Mode (Custom /Standard/Movie/Game/Vivid/Football/Golf/Basketball/ Baseball) 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. Advanced Video 1.
  • Page 9 a. Audio Mode (Flat /Rock/Pop/Classic/Jazz) b. Equalizer c. Balance (-50~50, 0) d. SRS TSXT (On/Off) e. Digital Audio Out (PCM/Off/Dolby Digital) f. Speakers (On/Off) g. Analog Audio out (Fixed /Variable) h. Lip Sync (0~5, (ATV:0™ DTV:2) i. Reset Audio Mode C.
  • Page 10 D. Setup: (Bold: Default ) a. Language (Englis h/ Français / Espaňol) b. Sleep Timer (Off /30Min/60Min/90Min/120Min) c. Wide (Wide /Zoom/Panoramic/Normal) d. Input Naming (AV1/AV2/Component1/Component2/RGB/HDMI1/HDMI2/HDMI3) e. CC 1. CC (Off /CC1~4/Service1~6) 2. Digital CC Style a). Caption Style (As Broadcaster /Custom) b).
  • Page 11 f. H/V Position 1. H. Position (0~64, 32) 2. V. Position (0~32, 16) 3. H-Size (0~100, 0) 4. V-Size (0~100, 20) g. Parental: (Bold: Default ) Password (Default = > 0000 1. Cannel Block 2. US TV Rating 3. US Movie Rating 4.

  • Page 12: 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 (6500/9300/Custom) f. H-Size (0~255, 127) g. H. Position (0~100, 61) h. V. Position (0~100, 47) i.
  • Page 13 B. Audio: (Bold: Default ) a. Audio Mode (Flat /Rock/Pop/Classic/Jazz) b. Equalizer c. Balance (-50~50, 0) d. SRS TSXT (On/Off) e. Digital Audio Out (PCM/Off/Dolby Digital) f. Speakers (On/Off) g. Audio out (Fixed /Variable) h. Lip Sync (0~5) i. Reset Audio Mode CONFIDENTIAL –...
  • Page 14 D. Setup : (Bold: Default ) a. Language (Englis h/ Français / Espaňol) b. Sleep Timer (Off /30Min/60Min/90Min/120Min) c. Wide (Wide/Normal/Panoramic) d. Input Naming (AV1/AV2/Component1/Component2/RGB/HDMI1/ HDMI2/HDMI3/HDMI4) e. Reset All Setting CONFIDENTIAL – DO NOT COPY Page 3-8 File No. SG-0285...
  • Page 15 AV / COMPONENT MODE A. Picture ：(Bold: Default ) a. Picture Mode (Standard/Movie /Game/Vivid/Football/Golf/Basketball/Baseball/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 16 B. Audio ：(Bold: Default ) a. Audio Mode (Flat /Rock/Pop/Classic/Jazz) b. Equalizer c. Balance (-50~50, 0) d. SRS TSXT (On/Off) e. Digital Audio Out (PCM/off/Dolby Digital) f. Speakers (On/Off) g. Analog Audio Out (Fixed /Variable) h. Lip Sync (0~5) i. Reset Audio Mode CONFIDENTIAL –...
  • Page 17 C. Setup ：(Bold: Default ) a. Language (English / Français / Espaňol) b. Sleep Timer (OFF/30Min/60Min/90Min/120Min) c. Wide (Wide/Normal/Panoramic) d. Input Naming (AV1/AV2/Component1/Component2/RGB/HDMI1/HDMI2/HDMI3/ HDMI4) e. CC 1. CC (OFF/CC1~CC4) f. H/V Position 1. H. Position (0~64, 32) 2. V. Position (0~32, 16) 3.
  • Page 18 Password (Default = > 0000 1. Channel Block 2. US TV Rating 3. US Movie Rating 4. Canadian English Rating 5. Canadian French Rating 6. Block Unrated TV (NO/Yes) 8. Access Code Edit i. Rest All Setting CONFIDENTIAL – DO NOT COPY Page 3-12 File No.

  • Page 19: Hdmi Mode

    HDMI MODE A. Picture ：(Bold: Default ) a. Picture Mode (Standard/Movie /Game/Vivid/Football/Golf/Basketball/Baseball/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. Advanced Video 1.
  • Page 20 B. Audio ：(Bold: Default ) a. Audio Mode (Flat /Rock/Pop/Classic/Jazz) b. Equalizer c. Balance (-50~50, 0) d. SRS TSXT (On/Off) e. Digital Audio Out (PCM/off/Dolby Digital) f. Speakers (On/Off) g. Audio out (Fixed /Variable) h. Lip Sync (0~5) i. Reset Audio Mode CONFIDENTIAL –...
  • Page 21 C. Setup ：(Bold: Default ) a. Language (English / Français / Espaňol) b. Sleep Timer (OFF/30Min/60Min/90Min/120Min) c. Wide (Wide/Normal/Panoramic) d. Input Naming (AV1/AV2/Component1/Component2/RGB/HDMI1/HDMI2/HDMI3/HDMI4) e. H/V Position 1. H. Position (0~64, 32) 2. V. Position (0~32, 16) 3. H-Size (0~100, 0) 4.

  • Page 22: Chapter 9 Trouble Shooting

    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 23 (TV, COMPOSITE VIDEO1, S-VIDEO) IS NOT DISPLAY CORRECTLY Start 1. Check video Input signal good? 2. Check DVD player 1. Check P14 signal 2. Check signal between P14 and U13 (IF AV1 mode) U13 input correct? 3. Check Tuner & U13 (IF TV mode) 4.
  • Page 24 (COMPONENT1) IS NOT DISPLAY CORRECTLY Start 1. Check video Input signal good? 2. Check host’s setting 1. Check signal from P14 2. Check system power 12V& 5V(5VSB) P3 input correct? 1. Check signal between U12 & P14 2. Check Y1 Clock (60MHZ) U13 input correct? 1.
  • Page 25 HDMI 1, 2, 3 ) IS NOT DISPLAY CORRECTLY Start 1. Check video Input signal 2. Check host’s setting 1. Check P7 & P9 & P14 connect U13 no data out ? 2. Check the pin18 & 19 of P8 & P9 3.
  • Page 26 TROUBLE OF DC-DC CONVERTER Start The voltage is about + 5V(+5VSB) 1. Check power board J1 PIN10,11,12 2. Check power cable, F1 & connection J1 3. Check U22 pin1 (+5VSB) & pin2 (+3V3SB) The voltage is about + 12V while power switch on 1.
  • Page 27 TROUBLE OF EDID READING Start Support DDC1/2B 1. Analog cable ok? Is Analog DDC OK? 2 .Check signal (U31 to P5) 3. Check U31 Voltage 4. Is protocol compliant? Support DDC1/2B 1. Analog cable ok? Is HDMI DDC OK? 2. Check signal (U32 to P7) 3 Check signal (U 33 to P8) 4.

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