IBM T860 9494-HB0 Service Manual Download Page 38 | Manualshive

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4. MICOM

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Summary of Contents for T860 9494-HB0

Page 1: ...COLOR MONITOR SERVICE MANUAL CAUTION BEFORE SERVICING THE UNIT READ THE SAFETY PRECAUTIONS IN THIS MANUAL MODEL T860 9494 HBN 9494 HWN T860 9494 HB0 9494 HW0 ...

Page 2: ... POWER SUPPLY 4 1 Power Adaptor Built in Power Input AC 100 240V 60 50 3Hz 1 0A 4 2 Power Consumption 5 ENVIRONMENT 5 1 Operating Temperature 10 C 35 C 50 F 95 F Ambient 5 2 Relative Humidity 10 80 Non condensing 5 3 MTBF 50 000 Hours Min 6 DIMENSIONS Without Tilt Swivel Width 397 0 mm 15 63 Depth 77 4 mm 3 04 Height 330 5 mm 13 01 With Tilt Swivel Width 397 0 mm 15 63 Depth 259 0 mm 10 19 Height ...

Page 3: ... as pencil or pen as this may result in damage to the panel Protect the module from the ESD as it may damage the electronic circuit C MOS Make certain that treatment person s body are grounded through wrist band Do not leave the module in high temperature and in areas of high humidity for a long time The module not be exposed to the direct sunlight Avoid contact with water as it may a short circui...

Page 4: ...768 3 6 29 H 60 123 1312 1024 16 96 176 V 75 029 800 768 1 3 28 H 68 677 1376 1024 48 96 208 V 84 997 808 768 1 3 36 H 68 681 1456 1152 32 128 144 V 75 062 915 870 3 3 39 H 61 805 1504 1125 18 134 200 V 65 96 937 900 2 4 31 H 63 981 1688 1280 48 112 248 V 60 02 1066 1024 1 3 38 H 79 976 1688 1280 16 144 248 V 75 035 1066 1024 1 3 38 Mode H V Sort 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 25 175 31 5 ...

Page 5: ...uspend or power off mode its color changes to orange 2 Power ON OFF Button Switches the monitors on and off 3 ENTER Button 1 Displays main OSD menu 2 Enters highlighted menus and submenus 3 Selects highlighted option 4 Arrow Key Moves the cursor to highlight icons or make adjustments 1 Brings up Contrast control OSD 2 Left and Right arrows pressed together bring up auto setup 5 Exit Button OSD on ...

Page 6: ...y presets Icon Description H Position Moves the screen left and right V Position Moves the screen left and right Image Size This function displays the image in its original size or enlarged size so as to fit in the full screen of the LCD panel Language The language chosen affects only the language of the OSD Select one of the five language to use for the OSD It has no effect on any software runnin...

Page 7: ...LE MAIN PCB REAR SHIELD MATAL FRAME MATAL FRAME J702 J801 J705 P902 P903 J710 CN1 CN4 CN5 CN6 CN7 CN8 CN9 CN_C01 CN301 CN_C02 7 WIRING DIAGRAM Connector Ass y P N 6631T11012P Connector Ass y P N 6631T25005E ...

Page 8: ...LVDS Low Voltage Differential Signaling Data 48 Bit Address Inverte r CTL Module CTL R G B Inverter Digital Signal 3 3V Reg DVDD 3 3V AVD D 3 3V 12V Po we r CTL V Sync 5V 2 5V Reg DVDD2 5V AVD D2 5V 3 3V Reg PVDD 3 3V 3 3 VM 5V 5V DVI Analog Signal R G B H Sync B V Sync B BA7657 Video Switch R G B 5V H V Sync Hsync Switch A or B H Sync A H Sy nc H Sync B 3 3 VM Power Board 12V 5V BLOCK DIAGRAM ...

Page 9: ...esolution signal and outputs 8 bit R G B signal to transmitter Especially pre amp ADC Video controller are merged to one chip Gm5020 by Genesis Also FRC is separate 3 Display Data Transmitter Part LVDS This part transmit digital signal from the Scaler to the receiver of module 4 Power Part This part consists of the one 5V two 3 3V and one 2 5 regulators to convert power which is provided 12V 5V in...

Page 10: ... COMPONENTS LINE 100 240V INPUT RECTIFIER AND FILTER ENERGY TRANSFER OUTPUT RECTIFIER AND FILTER 12V 5V GND SIGNAL COLLENTION PHOTO COUPLER ISOLATION PWM CONTROL CIRCUIT HVDC 100KHz PRIMARY SECONDA RY 50 60Hz ...

Page 11: ...ondary through a power transformer 4 Output rectifier and filter This part function is to make a pulse width modulation control and to provide the driver signal to power switch to adjust the duty cycle during different AC input and output loading condition to achive the dc output stablize and also the over power protection is also monitor by this part 5 Photo Coupler isolation This part function i...

Page 12: ...pattern at Mode 15 2 Set External Bright to MAX position and Contrast to MAX Position 3 Select PRESET START BIAS CAL command and Enter 4 No attempt to manually adjust BIAS data is auto matically adjusted and saved to the EEPROM 5 Display color 15 0 pattern at Mode 15 6 Select DRIVE CAL command and Enter 7 7200K and 9300K are automatically adjusted and saved to the EEPROM 8 Select PRESET EXIT comma...

Page 13: ...UBLE IN BULT IN POWER CHECK J801 5VST VOLTAGE 5V NO NO POWER POWER INDICATOR OFF TROUBLE SOMEWHERE ELSE TROUBLE IN BULT IN POWER CHECK J801 INPUT VOLTAGE 12V NO TROUBLE IN U501 or X501 NO YES YES YES CHECK U501 s PIN 6 IS THIS PIN OSCILLATED ...

Page 14: ...RASTER TROUBLE IN POWER ADATER or L703 L704 CHECK J702 PIN 1 2 3 12V NO TROUBLE IN X501 CHECK X501 H PULSE NO TROUBLE IN U201 CHECK U201 GM5020 NO TROUBLE IN U201 NO TROUBLE IN U201 CHECK U301 U302 U303 PIN 35 MEMORYCLK NO YES YES YES YES YES CHECK L201 L202 L203 PULSE ...

Page 15: ...OT CLOCK PATTERN NO TROUBLE IN U201 NO CHECK DVS PATTERN NO CHECK DHS PATTERN NO YES YES YES YES YES TROUBLE IN LCD MODULE CHECK U401 PIN 8 V PULSE CHECK U401 PIN 7 V PULSE CHECK U401 PIN 10 PULSE CHECK L204 PULSE ...

Page 16: ... 16 3 NO CLOCK CLOCK GENERATOR NO DOT CLOCK TROUBLE IN X201 CHECK X201 24MHz NO TROUBLE IN U201 CHECK L201 CLOCK NO YES YES ...

Page 17: ...BLE IN DPM TROUBLE IN DPM TROUBLE IN PC CHECK PC PC IS NOT GOING INTO DPM OFF MODE NO TROUBLE IN X501 NO TROUBLE IN SIGNAL CABLE NO YES YES YES CHECK U501 PIN 6 WAVEFORM 24MHz CHECK R233 R234 CHECK U501 PIN 11 0V ...

Page 18: ...A206 CA205 CA204 RA222 RA224 C271 R235 L K J H G F C548 C117 C118 C116 R704 C850 C844 U821 RA208 RA210 RA206 RA204 RA202 20 U201 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 C270 E D C B A 1 C278 C279 R220 R221 C258 R223 R145 U509 C119 R703 C845 C834 R582 R545 C201 C202 C203 C206 C205 C204 C276 C280 R222 R224 C259 C260 C261 J704 L820 L810 C531 U503 C517 C516 R581 R542 R543 R544 R508 R510 MODEL LB...

Page 19: ... C239 C264 D702 D703 R712 C715 C714 C236 L203 L204 C235 C233 C237 R202 C228 C275 C269 C273 R240 D701 R150 D731 R714 R715 C514 R511 R524 C515 C257 C238 C272 C274 R139 R137 R138 R239 R140 R141 R142 R147 R760 R769 R716 D730 R713 C504 C505 R512 R513 R527 R526 R525 C507 C506 C823 C829 C827 C131 R135 C120 D715 D712 R535 R539 R536 R538 R537 R564 C519 R505 C508 R531 R580 C832 C824 C830 C826 R154 R155 R146...

Page 20: ... 20 3 POWER BOARD Component Side 4 POWER BOARD Solder Side ...

Page 21: ... 21 5 CONTROL BOARD LED1 SW5 R4 SW4 R5 SW3 Model LI884E P N 6870TXXXXXX DATE 2001 11 30 SW2 R3 SW1 R1 R2 ZD2 ZD1 ...

Page 22: ... 22 EXPLODED VIEW 1 15 16 11 10 a a c b 6 5 7 2 A 8 9 13 12 3 14 4 ...

Page 23: ...SEMBLY 30P H H 100MM UL20276 PANEL LINK LB886F INVERTER ASSEMBLY ALPS KUBNKM030A 6 LAMP LB886F LI884E METAL ASSEMBLY FRAME MAIN LB886F PWB PCB ASSEMBLY MAIN LI884E AWLGB IBM CL 29 TOTAL PWB PCB ASSEMBLY POWER LI884E POWER TOTAL IBM CL 29 SHIELD REAR LB886F METAL ASSEMBLY REAR LI884E B K T860 9494 HBN 9494 HB0 METAL ASSEMBLY REAR IBM P WHITE T860 9494 HWN 9494 HW0 CONNECTOR ASSEMBLY SWITCH BK CONN ...

Page 24: ... DATE 2001 12 6 S AL LOC NO PART NO DESCRIPTION SPECIFICATION C229 0CC102CK41A 1000PF 1608 50V 5 R TP NP0 C230 0CH6150K416 15PF 50V J NP0 2012 R TP C231 0CH6680K416 68PF 50V J NP0 2012 R TP C232 0CH6680K416 68PF 50V J NP0 2012 R TP C233 0CH3103K516 10000PF 50V K B 2012 R TP C234 0CH3103K516 10000PF 50V K B 2012 R TP C235 0CH6680K416 68PF 50V J NP0 2012 R TP C236 0CH6680K416 68PF 50V J NP0 2012 R T...

Page 25: ...16V 20 R TP SMD C835 0CC102CK41A 1000PF 1608 50V 5 R TP NP0 C836 0CK103CK51A 0 01UF 1608 50V 10 R TP B C840 0CE477EH618 470UF KMG 25V M FL TP 5 C841 0CC102CK41A 1000PF 1608 50V 5 R TP NP0 MODEL T860 9494 HBN 9494 HWN 9494 HB0 9494 HW0 DATE 2001 12 6 S AL LOC NO PART NO DESCRIPTION SPECIFICATION C842 0CK103CK51A 0 01UF 1608 50V 10 R TP B C843 0CC102CK41A 1000PF 1608 50V 5 R TP NP0 C844 0CE107WF6DC ...

Page 26: ... NO DESCRIPTION SPECIFICATION R154 0RJ1000D677 100 OHM 1 10 W 5 1608 R TP R155 0RJ1000D677 100 OHM 1 10 W 5 1608 R TP R201 0RH2001D622 2 0K 1 10W 5 D R TP R202 0RH2001D622 2 0K 1 10W 5 D R TP R203 0RJ1002D677 10K OHM 1 10 W 5 1608 R TP R204 0RJ1002D677 10K OHM 1 10 W 5 1608 R TP R205 0RJ1002D677 10K OHM 1 10 W 5 1608 R TP R206 0RJ1002D677 10K OHM 1 10 W 5 1608 R TP R207 0RJ1002D677 10K OHM 1 10 W ...

Page 27: ...1608 R TP R767 0RJ0752D677 75 OHM 1 10 W 5 1608 R TP R768 0RJ1801D677 1 8K OHM 1 10 W 5 1608 R T R769 0RJ1002D677 10K OHM 1 10 W 5 1608 R TP R807 0RH0000D622 0 1 10W P TYPE TAPPING R809 0RJ2202D677 22K OHM 1 10 W 5 1608 R TP R810 0RH5600D622 560 1 10W 5 D R TP MODEL T860 9494 HBN 9494 HWN 9494 HB0 9494 HW0 DATE 2001 12 6 S AL LOC NO PART NO DESCRIPTION SPECIFICATION R811 0RH0332D622 33 1 10W 5 D R...

Page 28: ...0 5 TA52 R903 0RD3902A609 39K OHM 1 2 W 7 0 5 TA52 R906A 0RX5102J609 51KOHM 1 W 5 TA52 R906B 0RX5102J609 51KOHM 1 W 5 TA52 R907 0RD0102Q609 10 1 4W 3 5 TA52 R908 0RD0222Q609 22 1 4W 3 5 TA52 R909 0RD1001Q609 1K 1 4W 3 5 TA52 R910 0RD0431A609 4 3 OHM 1 2 W 7 0 5 TA52 R911 0RD1004A609 1 0M OHM 1 2 W 7 0 5 TA5 R912 0RD1004A609 1 0M OHM 1 2 W 7 0 5 TA5 R913 0RN1102F409 11K 1 6W 1 TA52 R914 0RD1002Q609...

Page 29: ... PWM5 VDD VSS VDD3 21 PTE0 SOG TCH0 PD1 D PD0 D PTA1 PWM9 PTA0 PWM8 PTA2 PWM10 PTD6 IICSDA PTD5 IICSCL PTD3 DDCSCL VSS1 PTD2 DDCSDA HSYNC PTB3 PWM3 PTB4 PWM4 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 41 PTB0 PWM0 PTB1 PWM1 PTB2 PWM2 42 PTD4 CLAMP PTC2 ADC2 PTC1 ADC1 PTC0 ADC0 PTE1 HSYNO PTE2 VSYNO PTC3 ADC3 42 PIN SDIP 5V open drain MC68HC908BD48 3 3V port else 5V port MC68HC908BD ...

Page 30: ...put HD Sync Signal detector Green 1 input Ground Blue 1 input Ground Red 2 input Ground Green 2 input Ground Blue 2 input VD 1 input HD 1 input HD 2 input HD output Red output Vcc Green output Composite video input Sync on Green Composite sync output CTL H IN L IN2 Blue output VD output VD 2 input 1 24 BLOCK DIAGRAM ...

Page 31: ...el I F 48 bits Output Control Output Data Path Timing Control Brightness Contrast Hue Saturation TMDS RX Video YUV 8 bits Digital TMDS Input FUNCTIONAL BLOCK DIAGRAM D0a D3b D3a D2b Vcc D2a D0b D1a D1b GND Q0 Q1 Q2 Q3 1 2 3 4 5 6 7 14 13 12 11 10 9 8 PIN CONFIGURATION PIN FUNCTION Frame Buffer SDRAM SGRAM Output to LCD OSC or XTAL Micro controller Video Decoder Anolog RGB Composite S Video DVI gm5...

Page 32: ...TROL STATE COUNTERS SLAVE SCL A0 A1 VCC VSS A2 ADDRESS COMPARATORS CONTROL LOGIC ACK E PROM 2 PIN CONFIGURATION DIP Package p SOIX Package J TSSOP Package U BLOCK DIAGRAM PIN FUNCTION Pin Name A0 A1 A2 SDA SCL WP Vcc Vss Function Device Adress Inputs Serial Data Address Serial Clock Write Protect 1 8V to 6 0V power Supply Ground V A1 Y1 AS A2 Y6 Y2 A5 A3 Y5 Y3 A4 GND Y4 CC 1 2 3 4 5 6 7 14 13 12 1...

Page 33: ...ns for device address selection To configure a device adress these pins should be connected to the Vcc of Vss of the device SDA I O SCL Input Bi directionl data pin for the I2C bus serial data interface Schmitt trigger input and open drain output An external pull up resistor must be connected to Vcc Typical values for this pull up resistor are 4 7kΩ 100kHz and 1kΩ 400kHz SDA I O Input pin for hard...

Page 34: ... O P See Application Circuit 1 5 6 3 2 Vin R1 Vout C1 R2 O N O F F R1 C1 Q 2 Q 1 Vout C1 4 PIN CONFIGURATION 1 Vcc 2 GND 3 OUTPUT 1 3 2 326 1 PARTS TYPE PARTS TYPE KA78M05R 1 INPUT 2 GND 3 OUTPUT 1 3 2 KSC1623 1 BASE 2 EMITTER 3 COLLECTOR 2 3 1 Regulator Transistor 1 3 2 1 REFERENCE 2 ANODE 3 CATHODE KIA431 Programmable Shunt Regulator Cathode Anode A K Reference 2 5V R KIA7042 E B C ...

Page 35: ...SCHEMATIC DIAGRAM 32 1 GM5020 ...

Page 36: ... 33 2 MEMORY ...

Page 37: ... 34 3 LVDS ...

Page 38: ... 35 4 MICOM ...

Page 39: ... 36 5 DC DC ...

Page 40: ... 37 6 CONNECTOR ...

Page 41: ... 38 7 INPUT SWITCHING ...

Page 42: ... 39 8 CONTROL KEY ...

Page 43: ... 40 9 POWER ...

Page 44: ...Dec 2001 Printed in Korea P NO 3828TSO049A ...

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