Gateway FPD 1500 Service Manual
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Gateway FPD 1500 Service Manual

Color monitor
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COLOR MONITOR

SERVICE MANUAL

MODEL: Gateway FPD 1500
CAUTION
BEFORE SERVICING THE UNIT,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.

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Table of Contents
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Summary of Contents for Gateway Gateway FPD 1500

  • Page 1: Color Monitor

    COLOR MONITOR SERVICE MANUAL MODEL: Gateway FPD 1500 CAUTION BEFORE SERVICING THE UNIT, READ THE SAFETY PRECAUTIONS IN THIS MANUAL.

  • Page 2: Table Of Contents

    CONTENTS SPECIFICATIONS ........... 2 TROUBLE SHOOTING GUIDE ....... 9 PRECAUTIONS ............3 PRINTED CIRCUIT BOARD........12 TIMING CHART ............4 EXPLODED VIEW...........14 OPERATING INSTRUCTIONS ........ 4 REPLACEMENT PARTS LIST .......17 WIRING DIAGRAM ..........5 PIN CONFIGURATION..........21 DISASSEMBLY ............6 PACKING AND ACCESSORIES ......27 BLOCK DIAGRAM ...........

  • Page 3: Precautions

    PRECAUTION WARNING FOR THE SAFETY-RELATED COMPONENT. WARNING BE CAREFUL ELECTRIC SHOCK ! • There are some special components used in LCD monitor that are important for safety. These parts are • If you want to replace with the new backlight (CCFL) or marked on the schematic diagram and the inverter circuit, must turn off the power button or...

  • Page 4: Timing Chart

    TIMING CHART VIDEO SYNC Video Total Blanking Front Sync Back Sync Active MODE Dot Clock Frequency Period Time Porch Duration Porch Resolution Polarity Time 48.363KHz 1344 1024 1024 (Pixels) 65MHz 60.0Hz (Lines) OPERATING INSTRUCTIONS Rear View ID Label Signal Connector Power Input Socket Power ON/OFF Button...

  • Page 5: Wiring Diagram

    WIRING DIAGRAM J501 J8-1 CN601 J301 J302 J303 J304 - 5 -...

  • Page 6: Disassembly

    DISASSEMBLY 1. TILT/SWIVEL REMOVAL 3. INVERTER CAPS & TOP SHIELD REMOVAL Remove four screws Remove five screws Remove the Tilt/swivel. Remove two Inverter Caps (Upper, Lower). Remove the Top Shield. Top Shield Inverter Cap (Upper) Inverter Cap (Lower) 2. BACK COVER REMOVAL 4.
  • Page 7 5. INVERTER, POWER, CONTROL PCB 7. LCD MODULE REMOVAL AND MAIN FRAME REMOVAL Remove four screws Remove two screws Divide the LCD Module and the Main Frame. Disconnect CN1 and CN2. Remove Inverter PCB. Remove two screws Remove the Power and the CONTROL PCB. Remove four screws LCD Module Remove the Front Cabinet.

  • Page 8: Block Diagram

    BLOCK DIAGRAM System Block Diagram Power Power Supply Cord Main Logic PCB 20Pin DFP Signal Cable Block Diagram for Main Logic Board Button PCB +24Vinv Inverter PWM_in LCD Module Inv_onoff To LCD Module +24Vinv Power switching (SI4925) +5Vmod PanelLink Voltage +3.3Vcc Connector +3.3Vcc...

  • Page 9: Trouble Shooting Guide

    TROUBLE-SHOOTING GUIDE 1. NO POWER NO POWER (POWER INDICATOR OFF) CHECK TROUBLE IN J101 PIN1 INPUT VOLTAGE AC/DC ADAPTER 24V ? CHECK TROUBLE IN U50 PIN 1 INPUT VOLTAGE J101, J102 24V ? CHECK TROUBLE IN 5VST VOLTAGE U102, U103 5V ? CHECK TROUBLE IN...
  • Page 10 2. NO RASTER NO RASTER CHECK CHECK PC CN602 PIN 1, 2, 5, 6 11, 12, 15, 16 or SIGNAL CABLE SIGNAL ? CHECK TROUBLE IN CN601 PIN 9, 10, 12, 13, CMF601, 602, 603, 604 15, 16, 18, 19 SIGNAL ? TROUBLE IN CHECK...
  • Page 11 3. TROUBLE IN DPM TROUBLE IN DPM MODE CHECK CN602 PIN 1, 2, 5, 6 CHECK PC 11, 12, 15, 16 SIGNAL ? CHECK TROUBLE IN CN601 PIN 20 LCD MODULE Vsync ? CHECK TROUBLE IN U201 PIN 28 U601 Vsync ? CHECK TROUBLE IN...

  • Page 12: Printed Circuit Board

    PRINTED CIRCUIT BOARD 1. MAIN BOARD (Component Side) 2. MAIN BOARD (Solder Side) - 12 -...
  • Page 13 3. CONTROL BOARD (Component Side) 4. CONTROL BOARD (Solder Side) 5. INTERFACE BOARD (Component Side) 6. INTERFACE BOARD (Solder Side) - 13 -...

  • Page 14: Exploded View

    EXPLODED VIEW - 14 - - 15 -...

  • Page 15: Exploded View Parts List

    EXPLODED VIEW PARTS LIST Description Ref. No. Part No. Q'ty Material CABINET ASS’Y, LG501, NO BRAND 3091TKL005A LGC LUPOY GN5001TF LCD MODULE, LGE TFT LCD LM151X1-G 15.1” 6304TLT151B INVERTER PCB ASS’Y 6633TZA003A MAIN FRAME 4950TKS072D INVERT CAP (UP) 4950TKK060A INVERT CAP (DOWN) 4950TKK061A MAIN SHIELD 4950TKK047A...

  • Page 16: Replacement Parts List

    CAUTION: BEFORE REPLACING ANY OF THESE COMPONENTS, READ CAREFULLY THE SAFETY PRECAUTIONS IN THIS MANUAL. * NOTE SAFETY Mark AL ALTERNATIVE PARTS 1998 . 9. 20. MODEL: Gateway FPD 1500 DATE: AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION REMARK...
  • Page 17 1998 . 9. 20. MODEL: Gateway FPD 1500 DATE: AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION REMARK C403 0CH8106J611 CAPACITOR, CHIP[AL. ELECTROLYTIC], 10UF 35V M 85STD C404 0CH3104K566 CAPACITOR, CHIP[CERAMIC LD-LESS HD], 0.1UF 50V K X C406 0CH7226F651 CAPACITOR, CHIP[TANTALUM], 22UF 16V M 6032 TP(-)
  • Page 18 1998 . 9. 20. MODEL: Gateway FPD 1500 DATE: AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION REMARK U202 0IMP240200A IC, MICRO CHIP TECHNOLOGY, 24LC02BT/SN 3.3K/ TP U203 0IMP240200A IC, MICRO CHIP TECHNOLOGY, 24LC02BT/SN 3.3K/ TP U601 0IMO741420B IC, MOTOROLA, MC74HCT14ADR2 14P,SOIC TP LEVEL...
  • Page 19 1998 . 9. 20. MODEL: Gateway FPD 1500 DATE: AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION REMARK OTHERs X201 6202TST001B CRYSTAL, SX-1 SUNNY ,SMD, 4.0MHZ ,30PPM, 18PF, TP CONTROL BOARD CN302 366-184F WAFER, 53015-0710 MOLEX 2.0mm R/A CN303 366-184D WAFER, 53015-0510 MOLEX 2.0mm R/A...

  • Page 20: Pin Configuration

    PIN CONFIGURATION MAX785 Dual-Output Power-Supply Controller BST3 PGND SYNC BST5 SHDN PIN CONFIGURATION NAME FUNCTION Current-sense input for +3.3V; +100mV = current limit level referenced to FB3. Soft-start input for +3.3V. Ramp time to full current limit is 1ms/nF of capacitance to GND. ON/OFF control input disables the +3.3V PWM.
  • Page 21 BLOCK DIAGRAM FOR MAX785 +5V LDO LINEAR REGULATOR 3.3V BST3 CONTROLLER (SEE FIG. 3) 4.5V 3.3V +3.3V REFERENCE SHDN PGND FAULT 2.8V BST5 STANDBY CONTROLLER 300kHz/200kHz SYNC (SEE FIG. 3) OSCILLATOR 1.65V 1.65V...
  • Page 22 MC68HC705BD1A HCMOS Microcontroller VSYNC PB1/PWM1** HSYNC PB0/PWM0** RESET PB2/PWM2** PB3/PWM3** PC2/CLAMP PB4*/PWM4* XTAL MC68HC(7)05BD1A PB5*/PWM5* EXTAL 28-PIN DIP SCL/PC1/PWM7*** PC3/HSYNCO SDA/PC0/PWM6*** PC4/VSYNCO PC5/AD0 IRQ /VPP PA7/PWM15 PA0/PWM8 PA6/PWM14 PA1/PWM9 PA5/PWM13 PA2/PWM10 PA3/PWM11 PA4/PWM12 PIN CONFIGURATION BLOCK DIAGRAM EXTALXTAL RESET IRQ/VPP PA0/PWM8 PA1/PWM9 PB0/PWM0**...
  • Page 23 MC54/74HC14A Hex Schmitt-Trigger Inverter FUNCTION TABLE Inputs Outputs Y = A V CC Pin 14 = V CC Pin 7 = GND PIN CONFIGURATION BLOCK DIAGRAM 24LC02 2K 2.5V I C™ Serial EEPROM A0 A1 A2 HV Generator Memory Control Control EEPROM Logic...
  • Page 24 SI4925DY Dual P-Channel 30-V (D-S) Rated MOSFET PIN CONFIGURATION BLOCK DIAGRAM SI9410DY N-Channel Enhancement-Mode MOSFET D D D PIN CONFIGURATION BLOCK DIAGRAM SI9936DY N-Channel Enhancement-Mode MOSFET LD=4nH DMAX DMIN LG=6nH RG=6Ω DBDDY LS=6nH BLOCK DIAGRAM - 25 -...
  • Page 25 TYPE PARTS TYPE PARTS Regulator Schottky Diode KA78M05R MBRS190T3 KA78M12R 1. INPUT 2. GND 3. OUTPUT Diode Tantalum Capacitor KDS181 0CH7106F621 10uF/16V 0CH7107F661 100uF/10V 1. CATHODE 1 2. CATHODE 2 0CH7226F651 3. ANODE 22uF/16V Transistor 0CH7227F661 220uF/6.3V KSC1623 0CH7476F661 47uF/10V 1.

  • Page 26: Schematic Diagram

    SCHEMATIC DIAGRAM...

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