Prestigio P171 Technical & Service Manual
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Prestigio P171 Technical & Service Manual

Tft lcd color monitor
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Prestigio P171
TFT LCD COLOR MONITOR
TECHNICAL
SERVICE MANUAL

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Summary of Contents for Prestigio P171

  • Page 1 Prestigio P171 TFT LCD COLOR MONITOR TECHNICAL SERVICE MANUAL...

  • Page 2: Safety Precaution

    L70S Technical Service Manual Prestigio P171 TECHNICAL SERVICE MANUAL Safety Precaution WARNING Service should not be attempted by anyone unfamiliar with the necessary precautions on this monitor. The followings are the necessary precautions to be observed before servicing. 1. When managing this monitor , cover with shield plate to avoid to scrach on LCD surface.

  • Page 3: Control Description

    TECHNICAL SERVICE MANUAL Prestigio P171 Control Description Front View Power Switch / LED Indecator Support Modes Dot Clock V Frequency H Frequency Resolution (Hz) (kHz) (MHz) Polarity Polarity 720 x 400 28.322 70.1 31.5 640 x 480 25.175 59.9 31.5 640 x 480 31.500...

  • Page 4: Video Input Signal

    Prestigio P171 TECHNICAL SERVICE MANUAL Video Input Signal Recommended signal are shown below •Video Signal Video level : 0 to 700mV Polarity : positive Video Input : RGB separated Analog level Sync input : H-Sync(TTL level) V-Sync (TTL level) •Waveform Video input(R.G.B)

  • Page 5: Video Input Terminal

    TECHNICAL SERVICE MANUAL Prestigio P171 Video Input Terminal A 15 Pin D-sub connector is used as the input signal connector Pin and input signals are shown in the table below. Pin Description SEPARATE SYNC/ SIGNAL PIN NO. DDC 1/2B GREEN...

  • Page 6: Connecting With External Equipment

    Prestigio P171 TECHNICAL SERVICE MANUAL Connecting with External Equipment Cautions Be sure to turn off the power of your computer before connecting the monitor. LINE OUT...

  • Page 7: Theory Of Operation

    TECHNICAL SERVICE MANUAL Prestigio P171 Theory of Operation 1. AC/DC INVERTER Input voltage : DC 12V Input current : 2.0A(Max) Output current : 6.5mArms(TYP) Frequency(switching) : 47KHz(Max) Output power : 18W(TYP) On/off control voltage : 5.0V 2. AC/DC ADATOR This display device shall maintain the specified per formances in the range de scribed...
  • Page 8 L70S Technical Service Manual Prestigio P171 TECHNICAL SERVICE MANUAL On Screen Controls & LED Indicator The menu for screen setting adjustment is located in the OSD and can be viewed in one of five languages OSD feature andmain funcrions are as follows: 1280x1024 H:63.9...

  • Page 9: Auto Color

    TECHNICAL SERVICE MANUAL Prestigio P171 CLOCK PHASE PHASE Adjust the noise of the screen image. CLOCK Adjust the horizontal size of the entire screen image. MISCELLANEOUS RECALL Recall the saved color data. OSD TIMER You can set the displayed time of OSD Menu window on the screen by using this adjustment.
  • Page 10 L70S Technical Service Manual Prestigio P171 TECHNICAL SERVICE MANUAL Getting Fine Picture Step 1. At first Display, a full screen, such as, Window's background or "H" character should be achieved by using Editor (ex: Notepad. exe) Step 2. Adjust the screen to the center of the Display(LCD), by using the top and bottom display controls.

  • Page 11: Specification

    TECHNICAL SERVICE MANUAL Prestigio P171 Specification SIZE 17” Viewable diagonal Dot Pitch 0.264mm LCD Module 260 cd/m 2 (TYP) Brightness Response Time 16m- sec (Typ) Signal R.G.B Analog Input Connector 15 pin D-SUB Connector H-Freq 31.0kHz ~ 80.0kHz SYNC V-Freq 56.0Hz ~ 75Hz...

  • Page 12: Critical Parts Specification

    L70S Technical Service Manual Prestigio P171 TECHNICAL SERVICE MANUAL Critical Parts Specification 1. LCD Module M170EN05(LTM170EU-L01, HT17E12-100 is a a-si TFT active matrix color liquid crystal comprising amorphous silicon TFT attached to each signal electrode, a driving circuit and a backlight.
  • Page 13 TECHNICAL SERVICE MANUAL Prestigio P171 2) CONNECTIONS Physical interface is described as for the connector on module. These connectors are capable of accommodating the following signals and will be following components Connector Name / Designation Interface Connector / Interface card...
  • Page 14 L70S Technical Service Manual Prestigio P171 TECHNICAL SERVICE MANUAL 4) Signal Description The module using a pair of LVDS receiver SN75LVDS82 (Texas Instruments) or compatible. LVDS is a differential signal technology for LCD interface and high speed data transfer device. Transmitter shall be SN75LVDS83(negative edge sampling)or compatible. The first LVDS port(RxOxxx)transmots odd pixels while the second LVDS port(RxExxxx)transmits even pixels.

  • Page 15: General Description

    TECHNICAL SERVICE MANUAL Prestigio P171 MST9111 GENERAL DESCRI PTION The MST9111 is a high performance, and fully integrated graphics processing IC solution for LCD monitors with resolutions up to SXGA. It is configured with an integrated triple-ADC/PLL, a high qualit scaling engine, an on-screen display controller, a built-in output clock generator, and LVDS displa interface.
  • Page 16 Prestigio P171 TECHNICAL SERVICE MANUAL PIN DIA G RAM...

  • Page 17: Operating Conditions

    TECHNICAL SERVICE MANUAL Prestigio P171 24LC08 24C08 24C08 24LC08 24LC08 Dual-In-Line SO package package (M8) 24C08 24LC08 TSSOP Pin Name A0, A1 N.C. Device Address inputs Ground Data I/O Clock input Write Protect + 5 V or + 3 V 3.0 ABSOLUTE MAXIMUM RATINGS...

  • Page 18: Electrical Characteristics

    Prestigio P171 TECHNICAL SERVICE MANUAL 5.0 ELECTRICAL CHARACTERISTICS DC ELECTRICAL CHARACTERISTICS (Vcc =5V +/- 10% ,MTV24C08/24LC08° F V cc =3V +/- 10% ,24LC08) MTV24C08/ 24LC08 24LC08 Units Symbol Parameter Conditions SCL = 100KHZ — — Operating Current CMOS Input Levels...
  • Page 19 TECHNICAL SERVICE MANUAL Prestigio P171 CAPACITANCE TA= 25∞ C , f=250KHZ Symbol Parameter Units Output capacitance Input capacitance A. C. Conditions of Test Input Pulse Levels Vcc x 0.1 to Vcc x 0.9 Input Rise and Fall times 10 ns Input and Output Timming level Vcc x 0.5...

  • Page 20: Typical Applications

    Prestigio P171 TECHNICAL SERVICE MANUAL RC1117 RC1117X2.5 1A Adjustable/Fixed Low Dropout Linear Regulator Features Description • Low dropout voltage The RC1117 and RC1117-2.5, -2.85, -3.3 and -5 are low • Load regulation: 0.05% typical dropout three-terminal regulators with 1A output current •...

  • Page 21: Pin Assignments

    TECHNICAL SERVICE MANUAL Prestigio P171 Pin Assignments Tab is Tab is Front View Tab is ADJ/GND 4-Lead Plastic SOT-223 = 15 C/W* ADJ/ ADJ/ 3-Lead Plastic TO-252 3-Lead Plastic TO-263 = 3 C/W* = 3 C/W* *With package soldered to 0.5 square inch copper area over backside ground plane or internal power plane., can vary from 30°C/W to more than 50°C/W.
  • Page 22 Prestigio P171 TECHNICAL SERVICE MANUAL Electrical Characteristics Operating Conditions: V 7V, T = 25°C unless otherwise specified. The denotes specifications which apply over the specified operating temperature range. Parameter Conditions Min. Typ. Max. Units Reference Voltage, V 1.5V 5.75V, 1.225 1.250...
  • Page 23 TECHNICAL SERVICE MANUAL Prestigio P171 RC1117-3.3 1A Adjustable/Fixed Low Dropout Linear Regulator Features Description • Low dropout voltage The RC1117 and RC1117-2.5, -2.85, -3.3 and -5 are low • Load regulation: 0.05% typical dropout three-terminal regulators with 1A output current •...
  • Page 24 Prestigio P171 TECHNICAL SERVICE MANUAL Pin Assignments Tab is Tab is Front View Tab is ADJ/GND 4-Lead Plastic SOT-223 = 15 C/W* ADJ/ ADJ/ 3-Lead Plastic TO-252 3-Lead Plastic TO-263 = 3 C/W* = 3 C/W* *With package soldered to 0.5 square inch copper area over backside ground plane or internal power plane., can vary from 30°C/W to more than 50°C/W.
  • Page 25 TECHNICAL SERVICE MANUAL Prestigio P171 Electrical Characteristics Operating Conditions: V 7V, T = 25°C unless otherwise specified. The denotes specifications which apply over the specified operating temperature range. Parameter Conditions Min. Typ. Max. Units Reference Voltage, V 1.5V 5.75V, 1.225 1.250...
  • Page 26 Prestigio P171 TECHNICAL SERVICE MANUAL SI4435 PD- 93768A Si4435DY Æ HEXFET Power MOSFET Ultra Low On-Resistance P-Channel MOSFET = -30V Surface Mount Available in Tape & Reel = 0.020Ω DS(on) T o p V ie w Description Æ These P-channel HEXFET...
  • Page 27 TECHNICAL SERVICE MANUAL Prestigio P171 Si4435DY Electrical Characteristics @ T = 25∞C (unless otherwise specified) Parameter Min. Typ. Max. Units Conditions Drain-to-Source Breakdown Voltage ñññ ñññ = 0V, I = -250µA (BR)DSS ∆V Breakdown Voltage Temp. Coefficient ñññ -0.019 ñññ...

  • Page 28: Block Diagram

    Prestigio P171 TECHNICAL SERVICE MANUAL TDA7496L 2W+2W AMPLIFIER WITH DC VOLUME CONTROL 2W+2W OUTPUT POWER = 8Ω @THD = 10% V = 14V ST-BY AND MUTE FUNCTIONS LOW TURN-ON TURN-OFF POP NOISE LINEAR VOLUME CONTROL DC COUPLED WITH POWER OP. AMP.

  • Page 29: Pin Connection

    TECHNICAL SERVICE MANUAL Prestigio P171 ABSOLUTE MAXIMUM RATINGS Symbol Parameter Value Unit DC Supply Voltage Maximum Input Voltage Total Power Dissipation (T = 60∞ C) case ∞ C Ambient Operating Temperature 0 to 70 ∞ C Storage and Junction Temperature...
  • Page 30 Prestigio P171 TECHNICAL SERVICE MANUAL ELECTRICAL CHARACTERISTICS (continued) Symbol Parameter Test Condition Min. Typ. Max. Unit µV Total Output Noise f = 20Hz to 22KHz Play, max volume µV f = 20Hz to 22KHz Play, max attenuation µV f = 20Hz to 22KHz...
  • Page 31 BLOCK DIAGRAM MODEL NAME : L70S 14.318Mhz Analog Scaler 17" DUAL LVDS (MST 9111) PANEL POWER & INVERTER Micro 24Mhz Controller WT61P4 AUDIO(TDA7496L) SPEAKER IPRESTIGIO Title <Title> BLOCK DIAGRAM Size Document Number <Doc> LP171 Date: Monday, March 17, 2003 Sheet...
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  • Page 36            '$  !  $    !! !  '$ &  '$ &   '$ !! !  "' !  '/++0  !  ' +  +  !  ' ++  '$  !/%0  '$   !/%0  !$% $ !/%0  !$%   !/%0 ...
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  • Page 38 VCC12V VCC5V VCPU 100uF/16V 100uF/16V DIP_2.0P1 On/Inverter onBACKLITE Adj/Backlite AdjBACKLITE 0V : MAX BRIGHTNESS CON1 5V : MIN BRIGHTNESS Board In Type open open 0.1uF Inverter/power VCC5V VLCD onPANEL ACTIVE LOW 22uF/16V 0.1uF/1608 SI4435 SO8 open open 1uF/1608 VCC2.5VD VCC5V RC1117S2.5T VOUT 22uF/16V...
  • Page 39 0.1uF/1608 RIN0 0.1uF/1608 GIN0 0.1uF/1608 BIN0 open SOG0 0.1uF/1608 GNDR0 KDS226 KDS226 KDS226 DSUB-15 0.1uF/1608 open open open GNDG0 VCPU 0.1uF/1608 GNDB0 ISP_DAT ISP_CLK R26 20 HSYNC0 VSYNC0 ST_DET0 open 4.7K 6.2V 6.2V 6.2V 220P 1N4148 0.1uF/1608 VCLK 24LC21 Option 6.2V 6.2V IPRESTIGIO...
  • Page 40 3.3V_DVI 3.3V_PL 3.3VD 2.5VD 3.3V_AV 3.3VD_PL VCC3.3VD 3.3VD RIN0 RIN0 RIN0M RIN0M GIN0 LVA0 10uF/16V GIN0 LVA0P GIN0M LVA1 GIN0M LVA0M SOGIN0 0.1uF/1608 SOGIN0 0.1uF/1608 0.1uF/1608 BIN0 LVA2 0.1uF/1608 0.1uF/1608 0.1uF/1608 BIN0 LVA1P BIN0M LVA3 BIN0M LVA1M 0.1uF/1608 HSYNC0 HSYNC0 VSYNC0 LVA4 VSYNC0...
  • Page 41 VCPU VCPU open open VCPU 0.1uF/1608 VOLUME 8.2K VCPU 22PF/1608 0.1uF/1608 47uF/16V 47uF/16V MUTE 4.7K ST-DET1 24MHZ XTAL1 PD.0 AdjBACKLITE PD.1 VCPU XTAL2 PD.2 VCPU 0.1uF/1608 PD.3 22PF/1608 RESET PD.4 PD.5 PE.3 PD.6 4.7K PE.2 PD.7 4.7K 4.7K PE.1 VCPU PE.0 PB.6/SDA2 PB.5/SCL2...
  • Page 42 LVA[0..9] LVA[0..9] VLCD CON4 LVA6 RXE3+ LVA7 RXE3- LVA8 RXEC+ LVA9 RXEC- LVA4 RXE2+ LVA5 RXE2- LVA2 RXE1+ LVA3 RXE1- DUAL LVDS LVA0 RXE0+ LVA1 RXE0- LVB6 R100 0 RXO3+ LVB7 RXO3- R101 0 LVB8 RXOC+ R102 0 LVB9 RXOC- R103 0 LVB4 R104 0...
  • Page 43 VCC12V VCC5V MUTE TT2N3904D 0.47UF TDA7496L 0.47UF OUTR △ 1608/HB60 R/GND 330uF/16V STBY AUDIO/R VOLUME VOLUME AUDIO/L AUDIOJACK MUTE ▽ L/GND 1608/HB60 OUTL 10uF/16V 330uF/16V VAROUT_R EARPHONE JACK VAROUT_L 220/10V IPRESTIGIO Title LP171 Size Document Number AUDIO Date: Tuesday, April 22, 2003 Sheet...
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  • Page 50 5004000194 SCREW SCR-TT,MC4X10 5004000208 SCREW SCR-TT,MC4X12 62013190 STAND BASE ABS 94 HB 3010700826 OSD PCB ASSY 3610200118 PWR-INV. PCB ASSY E42086XXXX MAIN PCB ASSY 5001000666 SCREW SCR-MC,BIN+MC3X5 5004000197 SCREW SCR-TT,MC3X10 5004000190 SCREW SCR-TT,MC3X8 5004000192 SCREW SCR-TT,MC3X6 5004000190 SCREW SCR-TT,MC3X8 62013186 HINGE CAP L ABS 94 HB 62013187...

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