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Vizio VP50 HDTV20A Service Manual
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Vizio VP50 HDTV20A Service Manual

Vizio VP50 HDTV20A Service Manual

Service manual
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Service Manual
Model #: VIZIO VP50 HDTV20A
(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 VP50 HDTV20A

  • Page 1 Service Manual Model #: VIZIO VP50 HDTV20A (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 VP50HDTV120A_LPL/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 VP50HDTV120A_LPL/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 HDTV, composite video, HDMI ;,Componet in , 5. Built in auto adjust function for automatic adjument of screen display 6.
  • Page 5 Chapter 2 Specification 1. PDP CHARACTERISTICS PDP50X4 (50”WXGA PDP MODULE) Note Item Specification SDI S50HW-YD02 LGE X4T35 Panel Display Pixels 1365(H) x 768 (V) pixels Display Cells 4098 (H) x 768 (V) cells Pixel Pitch 0.810 mm (H) X 0.810mm (V) Pixel Type Non-stripe Color Depth...
  • Page 6 2.Input Connectors RJ11, D-SUB15PIN (MINI, 3rows), HDMIX3, RCAX2 (component), RCAX2 (AUDIO in), RCAX2 (composite), RCAX2 (AUDIO in), Tuner, S-Video X1 3.Output Connectors Stereo RCA Jack (Analog audio out) , SPDIF Out (Optical Audio) 4. POWER SUPPLY Power Consumption: 550W MAX Power OFF: to less than 3W MAX 5.Speaker Output 10W (max) X2...
  • Page 7 (3) Please attach the surface transparent protective plate to the surface in order to protect the polarizer. Transparent protective plate should have sufficient strength in order to the resist external force. (4) You should adopt radiation structure to satisfy the temperature specification. (5) Acetic acid type and chlorine type materials for the cover case are not desirable because the former generates corrosive gas of attacking the polarizer at high temperature and the latter causes circuit break by electro-chemical reaction.
  • Page 8 (5) Module has high frequency circuits. System manufacturers shall do sufficient suppression to the electromagnetic interference. Grounding and shielding methods may be important to minimize the interference. 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.
  • Page 9 Chapter 3 On Screen Display Main unit button Power MENU CH ▲ CH ▼ VOL + VOL - Input On Screen Display TV Source A. PICTURE： a. PICTURE MODE (CUSTOM/ STANDARD / MOVIE / GAME) b. BRIGHTNESS (0~100) c. CONTRAST (0~100) d.
  • Page 10 B. AUDIO： a. VOLUME (0~100) b. BASS (0~100) c. TREBLE (0~100) d. Balance (-50~50) e. Surround (ON/OFF) f. SPEAKERS (ON/OFF) C. TV： a. TUNER MODE (ANTENNA/CABLE) b. AUTO SEARCH (RUN) c. SKIP CHANNEL (TABLE) d. Digital Audio Out (Off / Dolby Digital / PCM) e.
  • Page 11 D. SETUP： a. LANGUAGE (ENGLISH/FRENCH/SPANISH) b. PIP b-1 Style OFF b-2. Style PIP a) Input (COMPONENT1/COMPONENT2/RGB/HDMI1/HDMI2/HDMI3) b) Position (Bottom Right/ Bottom Center/Bottom Left/middle Left/Top Left /Top Center/Top Right/Middle Right c) Size (Small /Medium / Large) b-3. Style POP Input (COMPONENT1/COMPONENT2/RGB/HDMI1/HDMI2/HDMI3) c.
  • Page 12 E. PARENTAL： a. PASSWORD a-1. CHANNEL BLOCK a-2. TV RATING a-3. MOVIE RATING a-4 Check for New DTV rating a-4. BLOCK TV UNRATED a-5. ACCESS CODE EDIT RGB Mode A. PICTURE ADJUST： a. AUTO Adjust (Run) b. BRIGHTNESS (0~100) c. CONTRAST (0~100) d.
  • Page 13 C. SETUP： a. LANGUAGE (ENGLISH/FRENCH/SPANISH) b. PIP b-1 Style OFF b-2. Style PIP a) Input (TV/AV1/AV2/AV3/HDMI1/HDMI2/HDMI3) b) Position (Bottom Right/ Bottom Center/Bottom Left/middle Left/Top Left /Top Center/Top Right/Middle Right c) Size (Small /Medium / Large) b-3. Style POP Input (COMPONENT1/COMPONENT2/RGB/HDMI1/HDMI2/HDMI3) c.
  • Page 14 B. AUDIO： a. VOLUME (0~100) b. BASS (0~100) c. TREBLE (0~100) d. Balance (-50~50) e. Surround (ON/OFF) f. SPEAKERS (ON/OFF) C. SETUP： a. LANGUAGE (ENGLISH/FRENCH/SPANISH) b. PIP b-1 Style OFF b-2. Style PIP a) Input (TV/AV1/AV2/AV3/COMPONENT1/COMPONENT2) b) Position (Bottom Right/ Bottom Center/Bottom Left/middle Left/Top Left /Top Center/Top Right/Middle Right c) Size (Small /Medium / Large) b-3.
  • Page 15 h. ADVANCED VIDEO h-1. DNR(OFF/LOW/MEDIUM/STRONG) h-2. BLACK LEVEL EXTENDER (ON/OFF) h-3. WHITE PEAK LIMITATOR (ON/OFF) h-4 CTI(OFF/LOW/MEDIUM/STRONG) h-5 FLESH TONE (ON/OFF) h-6 ADAPTIVE LUMA (ON/OFF) B. AUDIO： a. VOLUME (0~100) b. BASS (0~100) c. TREBLE (0~100) d. Balance (-50~50) e. Surround (ON/OFF) f.
  • Page 16 D. PARENTAL： a. PASSWORD a-1. CHANNEL BLOCK a-2. TV RATING a-3. MOVIE RATING a-4 Check for New DTV Rating a-5. BLOCK TV UNRATED a-6. ACCESS CODE EDIT CONFIDENTIAL DO NOT COPY Page 3-8 – File No. SG-0246...
  • Page 17 Chapter 9 Trouble shooting MONITOR DISPLAY NOTHING (PC MODE) Start Is Power board output +5VSB &DV12? LED is lighted Is J10 connector good? Is DC-DC OK? Is U1 (+5V) working ok? It is in power saving Check video cable Is the timing supported? LED is lighting? Check sync input Check VGA SOG rout if analog...
  • Page 18 (TV, COMPOSITE VIDEO ) IS NOT DISPLAY CORRECTLY Start 1.Check video Input signal good? 2.Check DVD player 1.Check P11(VIDEO) signal 2.Check signal between U14 (IF IN AV mode) U14 input correct? 3.Check Tuner & U13 (IF TV mode) 1. Check U14 :DV33&DV12&AV15&AV12 2.
  • Page 19 (COMPONENT) IS NOT DISPLAY CORRECTLY Start 1.Check video Input signal good? 2.Check host’s setting 1.Check signal between P1 P1 input correct? 2.Check power 12V& 5v 1.Check signal between U14&P1 2.Check U14 Clock (27MHZ) U14 input correct? 3.Check U14 :DV33&DV12&AV15&AV12 1.Check U14 LVDS output correct ? 2.
  • Page 20 HDMI ) IS NOT DISPLAY CORRECTLY Start 1.Check video Input signal good? 2.Check host’s setting 1.Check p6 & p7& P13 connect U22 input correct? 2.Check U22 signal 1.Check U14 power U14 no data out ? 2.Check between signal U22 and U14 3.Check U14 clock 27MHZ 1.Is J7 connected good? 2.Is panel working ok?
  • Page 21 ROUBLE OF DC-DC CONVERTER Start The voltage is about + 5V 1.Check power board 2.Check power cable connection J10 J10 PIN10,11,12 The voltage is about + 12V while power switch on 1.J10 connection good 2.Check J10 Pin2,3 transform +5V_TUNER J10 PIN 2,3 3.Check power board The voltage is about +5V while power switch on U1 pin 5 6 7 8...
  • Page 22 TROUBLE OF DDC READING Start Support DDC1/2B 1.Analog cable ok? 2.Check signal (U21 to P3) Analog DDC 3.Check U21 Voltage 4.Is compliant protocol? Support DDC1/2B 1.Analog cable ok? 2.Check signal (U23 to P6) HDMIDDC 3.Check signal (U25 to P7) 4.Check signal (U26 to P13) 5.Is compliant protocol? CONFIDENTIAL DO NOT COPY...
  • Page 23 (TV_SIDE, AUDIO) IS NOT DISPLAY CORRECTLY Start 1. Check Audio source Input signal good? 2. Check the player of source 1. Check signal of Main Board 2. Check signal of Audio Board (J1) 3. Check the wire of Main Board to J1 input correct? Audio Board 1.
  • Page 24 (SUBWOOFER_SIDE, AUDIO) IS NOT DISPLAY CORRECTLY Start 1. Check Audio source Input signal good? 2. Check the player of source 1. Check signal of Main Board 2. Check signal of Audio Board (J1) 3. Having TX and RX module or not? J1 input correct? 1.