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Vizio GV46L FHDTV20A_Samsung Service Manual
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Vizio GV46L FHDTV20A_Samsung Service Manual

Vizio GV46L FHDTV20A_Samsung Service Manual

Samsung 46.0” wuxga tft lcd
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Service Manual

Model #: VIZIO GV46L
FHDTV20A_Samsung
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 GV46L FHDTV20A_Samsung

  • Page 1: Service Manual

    Service Manual Model #: VIZIO GV46L FHDTV20A_Samsung 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 GV46L FHDTV20A_Samsung 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 GV46L FHDTV20A_Samsung 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: Samsung 46.0” WUXGA TFT LCD (Vendor: Samsung Electornics Co., Ltd) Display Size:46 inches (1018.08 x 572.67mm) diagonal Outline Dimension:1083.0 mm (H) x 627.0 mm (V) x 51.6 mm (D) (Typ.) Pixel Pitch: 0.17675mm x 0.17675mm Pixel Format: 1920 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) Dimensions with stand： 1083mm(W) x 765.4mm(H) x 269.2mm(D) inches Dimension without stand： 1066mm(W) x 650.5mm(H) x 123.5mm(D) inches 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 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. Advanced Video 1.
  • Page 10 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) C. TV：(Bold: Default) a. Tuner Mode (Cable/Air) b. Auto Search c. Skip Channel d. Digital Audio Out (PCM/Dolby Digital/OFF) e.
  • Page 11 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 12 E. Parental：(Bold: Default) Password (Default => 0000) a. Cannel Block b. TV Rating c. Move Rating d. Check of New DTV Rating e. Block Unrated TV (NO/Yes) f. Access Code Edit Page 3-5 CONFIDENTIAL – DO NOT COPY File No. SG-0248...

  • Page 13: 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 14 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) 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.
  • Page 15 7. Window Color (White/Green/Blue/Red/Cyan/Yellow/Magenta/Black) 8. Window Opacity (Solid/Translucent/Transparent) f. PIP 1. Style (OFF/PIP/POP) 2. Input (TV, AV1, AV2, COMPONENT1, COMPONENT2, RGB, HDMI1, HDMI2) 3. Size (Small/Medium/Large) 4. Position(Bottom Right, Bottom Center, Bottom Left, Middle Left, Top Left, Top Center, Top Right, Middle Right) g.
  • Page 16 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. Advanced Video 1. DNC (Low/Medium/Strong/Off) 2.
  • Page 17 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) 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.
  • Page 18 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 3-11 File No. SG-0248...

  • Page 19: 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) 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. Surround (ON/OFF) f. Speakers (ON/OFF) 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.
  • Page 21 6. Background Opacity (Solid/Translucent/Transparent) 7. Window Color (White/Green/Blue/Red/Cyan/Yellow/Magenta/Black) 8. Window Opacity (Solid/Translucent/Transparent) f. PIP 1. Style (OFF/PIP/POP) 2. Input (TV, AV1, AV2, COMPONENT1, COMPONENT2, RGB, HDMI1, HDMI2) 3. Size (Small/Medium/Large) 4. Position(Bottom Right, Bottom Center, Bottom Left, Middle Left, Top Left, Top Center, Top Right, Middle Right) g.
  • Page 22 [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 23 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 24 (TV, COMPOSITE VIDEO1, 2, S-VIDEO) IS NOT DISPLAY CORRECTLY Start 1. Check video Input signal good? 2. Check DVD player 1.Check signal between signal P11& J4 to U14 (IF AV1&AV2 mode) U14 input correct? 2. Check Tuner & U14 (IF TV mode) 3.
  • Page 25 (COMPONENT1, 2) IS NOT DISPLAY CORRECTLY Start 1. Check video Is input signal good? 2. Check host’s setting 1. Check signal from P1 Is P1 input correct? 2. Check system power 12V& 5v 1. Check signal between U14&P1 Is U14 input correct? 2.
  • Page 26 HDMI ) IS NOT DISPLAY CORRECTLY start 1. check video Input signal good? 2. check host’s setting 1. check P6&P7 connect U22 no date out? 2. check the pin18& pin19of P6&P7 3. check the pin6 of U23&U25 1. check P12& P13 connect U39 no date out? 2.
  • Page 27 TROUBLE OF DC-DC CONVERTER Start The voltage is about + 5V 1. Check power board J1 PIN 9 10,11, 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 28 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? 2. Check signal (U23 to P6) Is HDMI DDC OK? 3.

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