Vizio VP50HDTV10A Service Manual
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Vizio VP50HDTV10A Service Manual

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Model #: VIZIO VP50HDTV10A
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 VP50HDTV10A

  • Page 1 Service Manual Model #: VIZIO VP50HDTV10A 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 VP50HDTV10A HDTV 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 VP50HDTV10A HDTV Service Manual...
  • Page 4 Chapter 1 Features Wall-mountable New WIDE HD Plasma Panel:1366 x 768 (H x V) TruSurround XT sound system and DCDi by Faroujia video image High definition digital interface – HDMI HDCP supportive Multiple-screen display (picture-on-picture/picture-in-picture) Selectable picture mode 3-language On Screen Display 2 S-video and Composite video inputs 2 Component video inputs 2 HDMI inputs...
  • Page 5 Chapter 2 Specification 1. OPTICAL CHARACTERISTICS Note Item Specification Display Pixels 1366 (H) x 768 (V) pixels Display Cells 4,098 (H) x 768 (V) cells Pixel Pitch 0.810 mm (H) X 0.810mm (V) Pixel Type Non-stripe Color Depth 1,024 (R) x 1,024 (G) x 1,024 (B) colors Active Display Area 1106.5 mm (H) x 622.1 mm(V) Brightness (panel spec)
  • Page 6 Composite Video signal: H: 15.734KHz V: 60Hz (NTSC) Component signal: YPbPr/YCbCr H: 15.734KHz V: 60Hz (NTSC-480i) H: 31KHz V: 60Hz(NTSC-480p) H: 45KHz V: 60Hz(NTSC-720p) H: 33KHz V: 60Hz(NTSC-1080i) RF Connector CONFIDENTIAL – DO NOT COPY Page 2-2 File No. SG-0219...
  • Page 7 3. INPUT CONNECTORS Input Label Connector Type Input Label Connector Type SERVICE1 RJ-11 x 1 COMPONENT1 YPb/Cb Pr/Cr RCA Jack x 3 Audio RCA Jack x 2 SERVICE2 RJ-11 x 1 COMPONENT2 YPb/Cb Pr/Cr RCA Jackx 3 Audio RCA Jack x 2 HDMI1 19 pin HDMI x 1 RCA Jack (CVBS) x 3...
  • Page 8 7. ENVIRONMENT Operating Temperature: 0~40℃ Relative humidity: 20%~80% RH Altitude: 0~6,560 ft Non-operating Temperature: -20~60℃ Relative humidity: 10%~90% RH Altitude: 0~9,840 ft 8. DIMENSIONS Height: 871 mm Width: 1241mm Depth: 310 mm (with standard), 99 mm (without standard) 9. WEIGHT 54.5 +/- 1.5 kgs Gross 65.0 +/- 2.0 kgs CONFIDENTIAL –...
  • Page 9 Chapter 3 On Screen Display Main unit button Buttons Name MENU CH+/▲ CH-/▼ VOL+/► VOL-/◄ INPUT OSD Adjustment Main OSD Tree Mode Image Settings Picture Mode VIDEO (Custom,vivid, Movie,Game,Sport) VIDEO Brightness(0~100) VIDEO Contrast(O~100) VIDEO Saturation(0〜100) VIDEO Hue(-50~50) VIDEO Sharpness(0~24) VIDEO Advanced VIDEO Noise Reduction VIDEO...
  • Page 10 Mode VIDEO Custom Color VIDEO Red(0~100) Green(0〜100) VIDEO VIDEO Blue(0~100) Auto Adjustment lmage Position Phase CIocks/Line Color Temp Warm(5400K) Standard(6500K) Cool(9300K) User Red(0~100) Green(0〜100) Blue(0~100) Display Settings 16:9、4:3、Zoom、 VIDEO Aspect Ratio Panoramic* 16:9、4:3 Aspect Ratio Off, Large PIP, PIP Mode Small PIP, POP PIP Position Top-Left,...
  • Page 11 Mode Top-Right, Bottom-Left, Bottom-Right PIP Input ** Audio Settings Bass(0~20) Treble(0~20) Balance(-10~10) SRS TS XT(On,Off) Auto Volume(On,Off) Speakers(On﹑Off) Fixed Volume﹑Variable Volume Audio Out*** Parental Controls VIDEO Password VIDEO Settings VIDEO TV Rating TV Youth (Unblocked、 VIDEO Blocked) TV Youth 7 (Unblocked、...
  • Page 12 Mode (Unblocked、 Blocked) TV PG (Unblocked、 VIDEO Blocked) TV 14 (Unblocked、 VIDEO Blocked) TV MA (Unblocked、 VIDEO Blocked) VIDEO Unblocked VIDEO Movie Rating Movie G (Unblocked、 VIDEO Blocked) Movie PG (Unblocked、 VIDEO Blocked) Movie PG-13 (Unblocked、 VIDEO Blocked) Movie R (Unblocked、...
  • Page 13 Mode Movie NC-17 (Unblocked、 VIDEO Blocked) Movie X (Unblocked、 VIDEO Blocked) VIDEO Unblocked Block VIDEO Unrated(No﹑ Yes) Change VIDEO Password Please enter new VIDEO password Please re-enter VIDEO new password Clear All VIDEO (No,Yes) Setup Closed Caption CC1, CC2, CC3, CC4, TEXT1, Display TEXT2, TEXT3,...
  • Page 14 Mode English, French, Language Spanish Factory Reset (No,Yes) Image Cleaner Firmware Version TV Menu Auto Scan Set Channel (Add/Skip) Cable/Antenna DTV Menu CONFIDENTIAL – DO NOT COPY Page 3-6 File No. SG-0219...
  • Page 15 DTV Menu DTV Menu A.DTV Tuner Setup a.Time Zone 1.Hawall 2.Eastern Time 3.Indiana 4.Central Time 5.Mountain Time 6.Arizona 7.Pacific Time 8.Alaska b.Cable/Air/Auto c.Scan**** d.Manual Scan**** Scan mode Add-on Mode Range Mode From Channel To Channel e.Channel Skip f.Digital Audio Out CONFIDENTIAL –...
  • Page 16 DTV Menu 1.PCM 2.OFF 3.Dolby Digital B.Closed Caption a.Analog Closed Caption CC1~CC4、OFF b.Digital Closed Service1~Service6 CAPTION 、OFF c.Digital Closed Style 1.As Broadcaster 2.Custom (1)Font Size Large Small Medium (2)Font Color Black White Green Blue Cyan CONFIDENTIAL – DO NOT COPY Page 3-8 File No.
  • Page 17 DTV Menu Yellow Magenta (3)Font Opacity Solid Translucent Transparent (4)Background Color Black White Green Blue Cyan Yellow Magenta (5)Background Opacity Solid Translucent Transparent (6)Window Color Black CONFIDENTIAL – DO NOT COPY Page 3-9 File No. SG-0219...
  • Page 18 DTV Menu White Green Blue Cyan Yellow Magenta (7)Window Opacity Solid Translucent Transparent Parental control C. Password Channel Block * HDMI and Component 720P/1080i inputs do not support Panoramic. **See below for detailed information regarding the PIP sources. CONFIDENTIAL – DO NOT COPY Page 3-10 File No.
  • Page 19 Component 1 Component 2 HDMI 1 HDMI 2 MAIN Component 1 Component 2 HDMI 1 HDMI 2 Remark： (1) “ ” – Indicates which inputs are available for PIP and POP modes. (2) For AV1 and AV2, S-Video has priority. If a signal is connected to AV1 S-Video by itself or signals are connected to AV1 S-Video and AV1 Video simultaneously, then S-Video will be the only choice for AV1.
  • Page 20 Chapter 9 PDP Trouble Shooting A. SYSTEM OVERVIEW Power supply board Y driver board X driver board Display board Main board EMI filter IR board ATSC Board CONFIDENTIAL – DO NOT COPY Page 9-1 File No. SG-0219...
  • Page 21 B. PCB PARTS NAME/NUMBER AND FUNCTION DESCRIPTION PART NAME PART NUMBER FUNCTION ESCRIPTION POWER SUPPLY BOARD PROVIDE ALL THE POWER FOR TV SET DRIVER BOARD X ELECTRODE DRIVING BOARD DRIVER BOARD ELECTRODE DRIVING BOARD (+30V +24V) AUDIO POWER SELECTOR AUDIO POWER SUPPLY 385001020150 AIN BOARD CONNECTING TO TRANSFER DISPLY SIGNAL...
  • Page 22 ISPLAY BOARD IR BOARD CONFIDENTIAL – DO NOT COPY Page 9-3 File No. SG-0219...
  • Page 23 ATSC BOARD CONFIDENTIAL – DO NOT COPY Page 9-4 File No. SG-0219...
  • Page 24 PDP DISPLAY NOTHING 1. Main board & ATSC board block diagram ARXD ATXD_HUD U26 MAX232A ATXD ARXD_HUD ATXD_HUD ARXD_HUD U40 24LC128 EEPROM(8051) HY5DU56822CT-D4 HY5DU56822CT-D4 U20 4052 51_RXD/51_TXD U17 DDR RAM CTZ U16 DDR RAM HUD I/O SW UC_SCL/UC_SDA SST89C58 FL8532_CTZ Frame Store Frame Store KEY PAD...
  • Page 25 PDP DISPLAY NOTHING(Analog HD1/AC on/off default) Start Power LED is lighting? Check AC power cord Power LED is lighting? Press Meun or Info. Check input source Is there any OSD’s logo Remove R87. Check internal cable? Check W1 pin 27 is high? Check U13 pin AD14.
  • Page 26 PDP DISPLAY NOTHING(Analog HD1 without Pb signal) BLOCK 1 Check component 1 Trace componect 1 from Is picture on screen? (Pb signal) C259 Input To U13 circuit Is there sync? Check R196,R198 Use GProbe connect U13 fail from main to PC. Does scaler detect the signal? PDP DISPLAY NOTHING(Analog HD1 without Pr signal) BLOCK 1...
  • Page 27 PDP DISPLAY NOTHING(Analog HD1 on PIP mode without Pb signal) BLOCK 1 Check component 1 Trace componect 1 from Is picture on screen? (Pb signal) C255 Input To U10 circuit Is there sync? Check R200,R198 Use GProbe connect from main to PC. U10 fail Does scaler detect the signal? PDP DISPLAY NOTHING(Analog HD1 on PIP mode without Pr signal)
  • Page 28 PDP DISPLAY NOTHING(Analog HD2 without Pb signal) BLOCK 1 Check U23 outnput pin 28 Check component 2 Input pin 15 Is no blue color on screen? (Pb signal) C260,R197 U23 fail Input clamp voltage pin 5(+5V) Is there sync? Output clamp voltage pin 29(+5V) VCC3 pin 22,23(+5V) Input_switch_select high(+5V) Use GProbe connect...
  • Page 29 PDP DISPLAY NOTHING(Analog HD2 on PIP mode without Pb signal) BLOCK 1 Check U24 outnput pin 28 Check component 2 Input pin 15 Is no blue color on screen? (Pb signal) C288,R213 U24 fail Input clamp voltage pin 5(+5V) Is there sync? Output clamp voltage pin 29(+5V) VCC3 pin 22,23(+5V) Input_switch_select high(+5V)
  • Page 30 PDP DISPLAY NOTHING(RGB on PIP mode without screen) BLOCK 1 Check U45 Check U45 H sync output U45 pin4,R181 Check U45 H sync input U45 pin1,R185 V sync output U45 pin8,R184 pin 14 +3.3V V sync input U45 pin5,R187 Is picture on screen? Is there signal? U45 fail Check input source...
  • Page 31 PDP DISPLAY NOTHING(Composite 1 without screen) BLOCK 1 Check Q28’s Base. Check C310,R275,R274 Check Q28’s emitter. Is there signal? Is picture on screen? Q28 fail Is there signal? Is there signal? Check collector voltage(+5V). Use GProbe connect from main to PC. Q13 fail Does scaler detect the signal? Check:...
  • Page 32 PDP DISPLAY NOTHING(Composite 2 without screen) BLOCK 1 Check Q29’s Base. Check C316,R286,R285 Check Q29’s emitter. Is there signal? Is picture on screen? Q29 fail Is there signal? Is there signal? Check collector voltage(+5V). Use GProbe connect from main to PC. Q13 fail Does scaler detect the signal? Check:...
  • Page 33 PDP DISPLAY NOTHING(S-VIDEO 1 without screen) BLOCK 1 Check Q30’s Base. Check C320,R293,R292 Check Q30’s emitter. Is there signal? Is picture on screen? Q30 fail Is there signal? Is there signal? Check collector voltage(+5V). Use GProbe connect from main to PC. Q13 fail Does scaler detect the signal? Check:...
  • Page 34 PDP DISPLAY NOTHING(S-VIDEO 1 on PIP mode without screen) BLOCK 1 Check Q30’s Base. Check C318,R291,R292 Check Q30’s emitter. Is there signal? Q30 fail Is picture on screen? Is there signal? Is there signal? Check collector voltage(+5V). Use GProbe connect from main to PC.
  • Page 35 PDP DISPLAY NOTHING(S-VIDEO 2 without screen) BLOCK 1 Check Q33’s Base. Check C332,R316,R320 Check Q33’s emitter. Is there signal? Is picture on screen? Q33 fail Is there signal? Is there signal? Check collector voltage(+5V). Use GProbe connect from main to PC. U13 fail Does scaler detect the signal? Check:...
  • Page 36 PDP DISPLAY NOTHING(S-VIDEO 2 on PIP mode without screen) BLOCK 1 Check Q33’s Base. Check C331,R313,R320 Check Q33’s emitter. Is there signal? Q33 fail Is picture on screen? Is there signal? Is there signal? Check collector voltage(+5V). Use GProbe connect from main to PC.
  • Page 37 PDP DISPLAY NOTHING(Digital 2 U35 with PORT B without screen) BLOCK 1 Check input source? Is picture on screen? Check U37 I2C bus D66 fail Check U37 power Check D66 and D65 SCL Pin 6 5V Pin 8 Are there 5V output? SDA pin 5 D65 fail Check U35 pin 90...
  • Page 38 Block 2 start HDMI’s chip Check U38’s power Check U2’s +5V_SW communicate with Pin 44,35 pin 7,8 SM5964,is ok? Check Y3 11.0592MHz Check U38’s UART Check U20 TxD pin 13 pin 16 +5V U20 fail RxD pin 11 Pin 10 output select=high Check R143,R144 U13 fail CONFIDENTIAL –...
  • Page 39 DDC R ROUBLE OF EADING Start Support DDC2B 1.Analog cable ok? Analog DDC OK? 2.Voltage of +5V_BUF ok? 3.Check U21 4.Is compliant protocol? Support DDC2B 1.HDMI cable ok? Digital HDMI1 DDC OK? 2.Voltage of VCC5_E2P_2ok? 3.Check U44 4.Is compliant protocol? Support DDC2B 1.HDMI cable ok? Digital HDMI2 DDC OK?
  • Page 40 PDP N O SOUND PDP NO SOUND Start Audio power DC power ok? Check F2 output has +24V? Audio power fail Check U19.8 and U19.9 Check audio AMP U19 has output? Check C436,C430 input siganl? Check Audio AMP U19 Block 3 has output? speaker fail Appstest 90 1 0x14 0x3540...
  • Page 41 TROUBLE OF THE DTV CONFIDENTIAL – DO NOT COPY Page 9-22 File No. SG-0219...

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