Related Manuals for IBM T860 9494-HWN
Summary of Contents for IBM T860 9494-HWN
- Page 1 MODEL: T860 (9494-HBN), (9494-HWN) T860 (9494-HB0), (9494-HW0) COLOR MONITOR SERVICE MANUAL CAUTION BEFORE SERVICING THE UNIT, READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
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Page 2: Table Of Contents
CONTENTS SPECIFICATIONS ........... 2 ADJUSTMENT ............12 PRECAUTIONS ............3 TROUBLESHOOTING GUIDE ......13 TIMING CHART ............4 PRINTED CIRCUIT BOARD........18 OPERATING INSTRUCTIONS ........ 5 EXPLODED VIEW...........22 WIRING DIAGRAM ..........7 REPLACEMENT PARTS LIST .......24 BLOCK DIAGRAM ........... 8 PIN CONFIGURATION..........29 DESCRIPTION OF BLOCK DIAGRAM.....9 SCHEMATIC DIAGRAM ......... -
Page 3: Precautions
If the wires are pressed cause short and may • Do not modify original design without obtaining written burn or take fire. permission from IBM or you will void the original parts and labor guarantee. TAKE CARE DURING HANDLING THE LCD MODULE WITH BACKLIGHT UNIT. -
Page 4: Timing Chart
TIMING CHART VIDEO SYNC << Dot Clock (MHz), Horizontal Frequency (kHz), Vertical Frequency (Hz), Horizontal etc... (µs), Vertical etc... (ms) >> Back Porch Total Period Video Active Time Front Porch Sync Duration Sync Mode Resolution Frequency Clock Polarity Sort – 31.469 640x480 25.175... -
Page 5: Operating Instructions
OPERATING INSTRUCTIONS FRONT VIEW REAR VIEW Power ON/OFF Switch Power Connect DVI Port D-sub Siganl Port AUDIO DC OUT Front Control Panel Front Control Panel 1. Power Indicator Arrow Key This indicator lights up green when the monitor Moves the cursor to highlight icons or make adjustments. operates normally;... - Page 6 On-Screen-Display (OSD) Control The settings adjustable with the user controls are viewed through the On -Screen Display (OSD). Press the enter button [ ] to display the main OSD menu. Initial appearance of OSD When the Digital Signal input When the Analog Signal input M A I N M E N U M A I N M E N U B R I G H T N E S S...
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Page 7: Wiring Diagram
WIRING DIAGRAM 6631T25005E Connector Ass’y P/N: REAR SHIELD MAIN PCB MATAL FRAME P903 P902 J705 MATAL FRAME J801 J702 J710 CN_C02 CN_C01 CN301 MODULE 6631T11012P Connector Ass’y P/N: - 7 -... -
Page 8: Block Diagram
BLOCK DIAGRAM Power Board - 8 -... -
Page 9: Description Of Block Diagram
DESCRIPTION OF BLOCK DIAGRAM 1. Input signal switching part(BA7657). There are two anolog inputs which are D-Sub analog and DVI-anolog input. They come from each 15 pin D-Sub and 29 pin DVI-I connector. 2. Video Controller Part(GM5020). This part amplifies the level of video signal for the anolog to digital conversion and converts from the analog video signal to the digital video signal using a pixelclock. - Page 10 - 10 -...
- Page 11 Operation description_Power 1. EMI components. This part contains of EMI components to comply with global marketing EMI standards like FCC, VCCI CISPR, the circuit included a line-filter, across line capacitor and of course the primary protection fuse. 2. Input rectifier and filter. This part function is for transfer the input AC voltage to a DC voltage through a bridge rectifier and a bulk capacitor.
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Page 12: Adjustment
1. Adjustment Start 8) Select PRESET EXIT command and Enter. 1) Display any pattern at any Mode. 2) Run alignment program for LI884E on the IBM 4. Adjustment for EDID compatible PC. 1) Use this procedure only when there is some 3) Select EEPROM →... -
Page 13: Troubleshooting Guide
TROUBLESHOOTING GUIDE 1. NO POWER NO POWER (POWER INDICATOR OFF) CHECK J801 TROUBLE IN INPUT VOLTAGE BULT-IN POWER (12V) ? CHECK J801 TROUBLE IN 5VST VOLTAGE BULT-IN POWER (5V) ? CHECK U501’s PIN 6. TROUBLE IN IS THIS PIN U501 or X501 OSCILLATED? TROUBLE SOMEWHERE ELSE... - Page 14 2. NO RASTER NO RASTER CHECK TROUBLE IN J702 PIN 1, 2, 3 POWER ADATER (12V) ? or L703, L704 CHECK TROUBLE IN J702 PIN 8 (5V) ? INVON PATTERN CHECK TROUBLE IN X501 X501 H. PULSE ? CHECK TROUBLE IN U201(GM5020) ? U201 CHECK...
- Page 15 CHECK TROUBLE IN L204 U201 PULSE ? CHECK CHECK DOT CLOCK U401 PIN 10 PATTERN PULSE ? CHECK CHECK U401 PIN 8 V.PULSE? DVS PATTERN CHECK CHECK U401 PIN 7 DHS PATTERN V.PULSE? TROUBLE IN LCD MODULE - 15 -...
- Page 16 3. NO CLOCK (CLOCK GENERATOR) NO DOT CLOCK CHECK TROUBLE IN X201 24MHz ? X201 CHECK TROUBLE IN L201 U201 CLOCK ? - 16 -...
- Page 17 4. TROUBLE IN DPM TROUBLE IN DPM CHECK PC CHECK PC IS NOT GOING R233, R234? INTO DPM OFF MODE CHECK U501 PIN 6 TROUBLE IN WAVEFORM X501 (24MHz) ? CHECK TROUBLE IN U501 PIN 11 SIGNAL CABLE (0V) ? TROUBLE IN PC - 17 -...
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Page 18: Printed Circuit Board
PRINTED CIRCUIT BOARD 1. MAIN BOARD (Component Side) L820 L810 J705 J801 U802 L821 C817 J702 C845 C850 L811 R809 C531 C844 R810 U503 C701 C526 C409 C840 R581 R745 C834 C516 U821 R406 U401 R701 R514 R543 L402 C706 R542 R544 C410... - Page 19 2. MAIN BOARD (Solder Side) L703 L704 R201 C214 C222 C223 C212 C207 R239 R240 U702 U701 D701 D704 D714 D713 D715 D730 D731 C742 R728 - 19 -...
- Page 20 3. POWER BOARD (Component Side) 4. POWER BOARD (Solder Side) - 20 -...
- Page 21 5. CONTROL BOARD - 21 -...
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Page 22: Exploded View
EXPLODED VIEW - 22 -... -
Page 23: Exploded View Parts List
CONNECTOR ASSEMBLY, SWITCH(GY)+CONN.ASSYP H-W 180MM UL -T860(9494-HWN), (9494-HB0) 4970TKK007A METAL CLIP -T860(9494-HB0), (9494-HW0) 6850TD9001D CABLE, D-SUB, UL 2990-9C(7.5) DT 3000MM STEALTH BK IBM DM -T860(9494-HBN) 6850TD9001C CABLE, D-SUB, UL 2990-9C(7.5) DT 3000MM PEARL WH IBM DM -T860(9494-HWN) 6866TDV004E CABLE, DVI, UL20276 DT 3000MM STEALTH BK LI562G DM -T860(9494-HBN) -
Page 24: Replacement Parts List
REPLACEMENT PARTS LIST CAUTION: BEFORE REPLACING ANY OF THESE COMPONENTS, READ CAREFULLY THE SAFETY PRECAUTIONS IN THIS MANUAL. * NOTE SAFETY Mark AL ALTERNATIVE PARTS MODEL: T860(9494-HBN),(9494-HWN),(9494-HB0),(9494-HW0) DATE: 2001. 12. 6. MODEL: T860(9494-HBN),(9494-HWN),(9494-HB0),(9494-HW0) DATE: 2001. 12. 6. *S *AL LOC. NO. PART NO. - Page 25 MODEL: T860(9494-HBN),(9494-HWN),(9494-HB0),(9494-HW0) DATE: 2001. 12. 6. MODEL: T860(9494-HBN),(9494-HWN),(9494-HB0),(9494-HW0) DATE: 2001. 12. 6. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION C410 0CE107WF6DC 100UF MVK 16V 20% R/TP(SMD) C842 0CK103CK51A 0.01UF 1608 50V 10% R/TP B( C411 0CK103CK51A 0.01UF 1608 50V 10% R/TP B(...
- Page 26 MODEL: T860(9494-HBN),(9494-HWN),(9494-HB0),(9494-HW0) DATE: 2001. 12. 6. MODEL: T860(9494-HBN),(9494-HWN),(9494-HB0),(9494-HW0) DATE: 2001. 12. 6. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION U504 0ISS524202A S524C20D21-SCT0 8SOP-225 R/ R154 0RJ1000D677 100 OHM 1/10 W 5% 1608 R/TP U509 0ISS524202A S524C20D21-SCT0 8SOP-225 R/...
- Page 27 MODEL: T860(9494-HBN),(9494-HWN),(9494-HB0),(9494-HW0) DATE: 2001. 12. 6. MODEL: T860(9494-HBN),(9494-HWN),(9494-HB0),(9494-HW0) DATE: 2001. 12. 6. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION R535 0RJ0000D677 0 OHM 1/10 W 5% 1608 R/TP R811 0RH0332D622 33 1/10W 5 D.R/TP R536...
- Page 28 MODEL: T860(9494-HBN),(9494-HWN),(9494-HB0),(9494-HW0) DATE: 2001. 12. 6. MODEL: T860(9494-HBN),(9494-HWN),(9494-HB0),(9494-HW0) DATE: 2001. 12. 6. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION C907 0CE476EK638 47UF KMG 50V M FM5 TP 5 0RJ4701D677 4.7K OHM 1/10 W 5% 1608 R/T C908 0CQ2721N419...
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Page 29: Pin Configuration
PIN CONFIGURATION MC68HC908BD VSYNC HSYNC VDD3 PTC0/ADC0 PD1/D- PTC1/ADC1 PD0/D+ PTC2/ADC2 PTC3/ADC3 XTAL** PTE2/VSYNO EXTAL** PTE1/HSYNO PTB0/PWM0 MC68HC908BD48 PTB1/PWM1 PTB2/PWM2 PTB7/PWM7 PTB3/PWM3 PTB6/PWM6 42-PIN SDIP PTB4/PWM4 PTB5/PWM5 VSS1 PTC5/ADC5 PTD2*/DDCSDA* PTC4/ADC4 PTD3*/DDCSCL* PTD4/CLAMP PTE0/SOG/TCH0 PTD5*/IICSCL* PTA7/PWM15 PTD6*/IICSDA* PTA6/PWM14 PTA0/PWM8 PTA5/PWM13 PTA1/PWM9 PTA4/PWM12 PTA2/PWM10... - Page 30 BA7657 Multimedia ICs BLOCK DIAGRAM Red 1 input HD 1 input HD Sync Signal detector HD 2 input Green 1 input HD output Ground Red output DET. Blue 1 input Ground Green output Composite video input Red 2 input (Sync on Green) Syncsepa Ground Composite sync output...
- Page 31 GM5020 GENESIS 292P FUNCTIONAL BLOCK DIAGRAM Serial I/F SDRAM/I/F Host Micro- Frame Store Interface processor Interface Anolog Triple YUV to RGB Output Converter Image Panel I/F Digital Zoom/ Data Frame Rate TMDS Caputure/ Gamma [48-bits] TMDS Brightness, Shrink/ Path/ Conversion Measure.
- Page 32 CAT24WC08J-TE13 8P BLOCK DIAGRAM DIP Package(p) SOIX Package(J) EXTERNAL LOAD V CC V CC SENSE AMPS D OUT SHIFT REGISTERS V SS V SS V CC COLUMN V SS WORD ADDRESS DECODERS BUFFERS TSSOP Package(U) START/STOP LOGIC V CC E PROM XDEC V SS CONTROL...
- Page 33 S524C20D11/20D21/80D41/80D81 SERIAL EEPROM PIN FUNCTION Wp SCL SDA Circuit Name Type Description Type A0, A1, A2 Input pins for device address selection. To configure a device adress, Input these pins should be connected to the Vcc of Vss of the device. Ground pin.
- Page 34 FDC6326L Integrated load Switch V o u t , C 1 V i n , R 1 E Q U I V A L E N T C I R C U I T D R O P O N / O F F V o u t , C 1 O U T O N / O F F...
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Page 35: Schematic Diagram
SCHEMATIC DIAGRAM 1. GM5020 - 32 -... - Page 36 2. MEMORY - 33 -...
- Page 37 3. LVDS - 34 -...
- Page 38 4. MICOM - 35 -...
- Page 39 5. DC/DC - 36 -...
- Page 40 6. CONNECTOR - 37 -...
- Page 41 7. INPUT SWITCHING - 38 -...
- Page 42 8. CONTROL KEY - 39 -...
- Page 43 9. POWER - 40 -...
- Page 44 Dec. 2001 Printed in Korea P/NO : 3828TSO049A...