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Proview HV205 Service Manual

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HV205
Service Manual
2005/8/10
V1.0
1

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Summary of Contents for Proview HV205

  • Page 1 HV205 Service Manual 2005/8/10 V1.0...

  • Page 2: Table Of Contents

    TABLE OF CONTENTS 1. Precautions and Safety Notices………………………………………………………….3 2. Specification…………………………………………………………………………………4 3. Function Control Description……………………………………………………………..8 4. Circuit Description…………………………………………………………………………14 5. Adjusting Procedure………………………………………………………………………19 6. Trouble Shooting Flow Chart……………………………..........20 7. Spare Parts List……………………………………………………………………………..24 8. Recommended Spare Parts List………………………….………………………………28 9. Exploded Diagram and Spare Parts List……………………………………………….29 10.

  • Page 3: Precautions And Safety Notices

    1. Precautions and Safety Notices Prior to using this service manual,please ensure that you have carefully followed all the procedures outlined in the user's manual for this product. (1) Read all of these instructions. (2) Save these instructions. (3) Follow all warnings and instructions marked on the product. (4) Unplug this product from the wall outlet before cleaning.Do not use liquid cleaner or aerosol cleaner, use a damp cloth for cleaning.

  • Page 4: Specification

    2. Specification Panel General Specification MODEL No. HV205 800 (H) x 600 (V) pixels ( 1 pixel = 1 RGB cells ) Display Pixel 0.51mm (H) x 0.51mm (V) Pixel pitch 408.0mm (H) x 306.0mm (V) Active Display Area 16.7M Number of Colors ±80°degree(H), ±60°degree (V) Typical...
  • Page 5 VGA Connector D-Sub type connector pin assignment Red Video Red Ground Green Video Green Ground Blue Video Blue Ground H-sync. Gnd. V-sync. None Sync Gnd Mini DIN for S-video 1. Ground 4-PIN MINI DIN CONNECTOR 2. Ground 3. Y 4. C TV broadcasting system input NTSC For USA or relative areas...
  • Page 6 Signal Timing NTSC: National Television System Committee. Basic Parameters NTSC M line/field 525/60 horizontal frequency 15.734 kHz vertical frequency 60 Hz color subcarrier freq. 3.579545 MHz video bandwidth 6.0 MHz audio carrier 4.5 MHz (FM) PAL: Phase Alternation Line. Basic PAL B-G-H PAL I PAL D...
  • Page 7 MODEL No HV205 100-240V~,50/60Hz,70W Power Source Power Consumption 60W Max with speaker Standby : < 5W 24.5(W) x10.1(D) x18.6(H)(Inch) Physical 622.3(W) x256.54(D) x472.44(H)(mm) Dimension (W×H×D) 27.48 X11.15 X21.46(Inch) Carton 698 X 283 X 545MM 10.2Kg(22.4lbs) Weight Gross 12.5Kg(27.5lbs) Sound Output 5W X2, 8Ohm.

  • Page 8: Function Control Description

    3. Function Control Description Operation, Adjust and Programming 1. IR Infrared Receiver(IR) 2. POWER Button Push this button to turn the unit on, and press it one more time to turn it off. 3. LED The LED light indicates when the LCD TV is activated(Green light indicates on and amber indicates off) 4.
  • Page 9 HV205 1. POWER Turns the LCD TV on and into standby mode 2. MUTE Mutes and restores your LCD TV 3. MTS Selects the Multi-channel TV Sound (MTS) options: Stereo, SAP and Mono. 4. SLEEP Sets up the LCD TV sleep time.
  • Page 10 ON-SCREEN DISPLAY (OSD) The On-Screen Display (OSD) shall be an easy to use icon based menu through keypad OSD buttons or remote control unit. The unit shall leave the factory with all OSD controls set to their default values. OSD Keypad Buttons When OSD Menu displayed through pressing MENU button of keypad or remote control unit, the buttons of in the keypad can be used as the OSD control keys.
  • Page 11 Color Temp Standard Warm Cool Right/Left to change Color Temp. Select Confirm Exit EXIT a. Display the MENU Press “ MENU “ key of set or Remote control b. Move through the MENU Press “ ← “, “ → “key of set or Remote control to Select menu c.
  • Page 12 TV SETUP TV System activate Adjust TV System Clock 00:00 0~9 keys to set the clock Power OFF 00:00 0~9 keys to set Power OFF CC Mode Display Up/Down to select the CC mode display,use Right/Left to select the CC mode Vchip Password <right>...
  • Page 13 V-Chip Password 2005/8/10 V1.0...

  • Page 14: Circuit Description

    4. Circuit Description (1) Voltage Regulator circuit External AC power supply AC 90 V to 264V , and the input frequency within 50/60Hz can be applyied. Intramural adapter converts AC voltages to DC voltage, The usage of each output: 12V, 8V, 5V,3.3V, 1.8V (2) Controller gm2221/gm5221 Integrated Multimedia LCD Controller...
  • Page 15 (3) Video Video Decoder TVP5146 The TVP5146 is a high-quality,single-chip digital video decoder that digitizes and decodes all popular base- band analog video formats into digital component video.TVP5146 supports the A/D conversion of component RGB and YPbPr signals,as well as the A/D conversion and decoding of NTSC,PAL and SECAM composite and S-Video into component YCbCr.The main features of the TVP5146 are: ----four 30-MSPS,10-bit A/D Channels with programmable clamp and gain control ----supports NTSC(J,M,4.43),PAL(B,D,G,H,I,M,N,Nc,60) and SECAM(B,D,G,K,K1,L)CVBS,S-video...
  • Page 16 2005/8/10 V1.0...
  • Page 17 (4) Audio Audio Decoder MPS34X0G The MSP 34x0G family of single-chip Multistandard Sound Processors covers the sound processing of all analog TV-Standards worldwide, as well as the NICAM digital sound standards. The full TV sound processing, starting with analog sound IF signal-in, down to processed analog AF-out, is performed on a single chip. Below Figure shows a simplified functional block diagram of the MSP 34x0G.
  • Page 18 Audio Amplifier. TPA1517 The TPA1517 is a stereo audio power amplifier that contains two identical amplifier capable of delivering 6W per channel of continuous average power into a 4 Ohm load tat 10﹪THD＋N or 5W per channel 1﹪THD＋ N. The gain of each channel is fixed at 20dB. The amplifier features a mute/standby function for power- sensitive applications.

  • Page 19: Adjusting Procedure

    5. Adjusting Procedure ITEM Equipments Requirements Procedure and SPEC Program Menu. A. Press MENU & CHANNEL- button on the equipment, and to select “Color Temp” option B. Press SOURCE button three times on the equipments, and the equipment auto erase Erase EEPROM EEPROM.

  • Page 20: Trouble Shooting Flow Chart

    6. Trouble Shooting Flow Chart No Display ( TV ) Check TV Input Signal ? Signal Cable ? Check Tuner B+ ? B+ Circuit ? U17 Video Check U17 Circuit Processor ? Check U3 Circuit U3 Controller ? Check PANEL PANEL ? 2005/8/10 V1.0...
  • Page 21 No Display ( Component ) Check YCbCr or YPbPr YCbCr or YPbPr Signal Input Signal Input ? Check J1 Connector ? J1 Connector ? Check U2 Circuit ? U2 CIRCUIT U3 Controller? Check U3 Circuit Check PANEL PANEL ? 2005/8/10 V1.0...
  • Page 22 No Display ( VGA ) Check VGA Input VGA Input Signal Signal ? Check JP1 Connector JP1 Connector Or U2? And U2 circuit? Check U2 Controller U2 Controller ? Circuit ? PANEL ? Check PANEL 2005/8/10 V1.0...
  • Page 23 No Audio Check Audio Signal Audio Signal Input ? Check U21 Sound U21 Sound Processor Circuit Processor ? U24 Audio Amp. ? Check U24 Audio Amp. Circuit Check Speaker Speaker ? Change Speaker Speaker ? 2005/8/10 V1.0...

  • Page 24: Spare Parts List

    7. Spare Parts List Universal Unit No. Ref. P/N Description Location Q'ty number Price(USD) 899-K00-HV207G TV KEY/BD ASS'Y 200-700-HV207G-C HV207 CONTROL PCB REV:C PCB, 210-221-0856 R-CF. 220 ohm 1/8W +-5%. R1,R2,R5, 281-035-2214 RES 220 5% 1/10W 0603 SMD. 285-056-B160C SMD VARISTOR SIZE 0603 5.6V R3,R4,R7, 30PF 328-104-2690...
  • Page 25 22 505-091-78L08-U REGULATOR 01A TO-92 78L08 U23, 23 506-A00-1517 TPA1517 HDIP20 U24, 24 531-143-49US-2 KTS QYSTAL 14.318MHZ. 20PF X2,X1, 25 531-184-49SAH 49SA 18.432MHZ/12PF 30PPM 26 630-002-1008 JWT A2001 PITCH 2.00mm 2P. JP4,JP5, 27 630-004-D000 POWER CON 4 PIN 4.0MM DIP_180 JP3, 28 630-006-1008 JWT A2001 PITCH 2.00mm 6P.
  • Page 26 46 200-C01-HV175-A HV175/205 TUNER BOARD REV:A 47 281-035-2204 RES 22ohm 5% 1/10W 0603 SMD. R1,R2, 48 281-035-4724 RES 4.7K 5% 1/10W 0603 SMD. 49 385-104-035084H SMD Y5V 0.1uF 50V 0603 RoHS C2,C4, 50 386-220-XB1674H SMD TAN CHIP CAPACTIORS 22uF C5,C3, 16V B SIZE 51 827-002-HV205AU HV205AU FRAME ASS'Y...
  • Page 27 70 621-151-60002 RED-WHITE HEAD BLACK WIRE1.5M YELLOW-GREEN GROUND WIRE 71 631-001-4141 50mm+4.3D+TIN. 72 631-A50-F207-A HV207 FFC CABLE TTL 50P 230mm 73 631-C13-HV205 7pin+6pin+SCREENED 460mm 74 631-N06-HV205 6pin INVERTOR CABLE 130MM 75 631-S12-HV207G 12P2.0 300mm D-SUB-A/D 76 824-005-HV205-L 4ohm5W SPCAKER LEFT...

  • Page 28: Recommended Spare Parts List

    TACT SWITCH H:5mm SW1~SW7 LED 3D2P ORANGE-GREEN 180D L- 520-005-L317 317VGL 842-380-6038A IR RECEIVER FM-6038TM2-5A 899-TU0-HV205G-3 HV205 GENESIS MAIN BOARD ASS'Y HV205 GENESIS MAIN BOARD ASS'Y 506-A00-1517 TPA1517 HDIP20 AMPLIFIER 506-5NM-24C16 24C16 SO8 MEMORY IC SMD 506-RAS-1117-33 LT1117-3.3V/SOT223 U15、U16 506-RAS-1117-18 LT1117-1.8V/SOT223...

  • Page 29: Exploded Diagram And Spare Parts List

    9. Exploded Diagram Model No:HV205 2005/8/10 V. 1.0...

  • Page 31: Block Diagrams

    10. Block Diagrams 2005/8/10 V. 1.0...

  • Page 32: Schematic Diagrams

    11. Schematic Diagrams 2005/8/10 V. 1.0...
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  • Page 45: Pcb Layout Diagrams

    12. PCB Layout Diagrams: MAIN BOARD 2005/8/10 V. 1.0...
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