Mitac 8080 Service Manual - laptop schematics, notebook ...

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8. Trouble Shooting 8.1 No Power 8.2 No Display 8.3 VGA Controller Failure LCD No Display 8.4 External Monitor No Display 8.5 Memory Test Error 8.6 Keyboard (K/B) Touch-Pad (T/P) Test Error 8.7 Hard Driver Test Error 8.8 CD-ROM Driver Test Error 8.9 USB Port Test Error 8.10 Audio Failure 8.11 LAN Test Error 8.12 PC Card & Card Reader Socket Failure 8.13 IEEE1394 Failure 8080 N/B Maintenance 103
8.1 No Power No Power Is the notebook connected to power (either AC adaptor or battery)? Power OK? Yes Try another known good battery or AC adapter. No Is the M/B and charger BD connected properly? No Try another known good charger BD. 8080 N/B Maintenance When the power button is pressed, nothing happens, no fan activity is heard and power indicator is not light up. Yes Yes No Connect AC adaptor or battery. Replace the faulty AC adaptor or Battery. Connect AC adaptor or battery. Power OK? Yes Replace the faulty Charger BD. No Board-level Troubleshooting Replace Motherboard Where from power source problem (first use AC to power it)? Battery AC Power Check following parts and signals: PJ501 PF2 PL2 PL3 PR24 PQ5 PD4 PD5 PD7 PD503 PL501 PQ504 PU1 PL1 PL8 PF1 PQ501 PQ502 Parts: Signals: ADINP DVMAIN PWR_VDDIN Check following parts and signals: Parts: Signals: BATT BAT_TEMP BAT_VOLT BAT_CLK BAT_DATA 104
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SERVICE SERVICE MANUAL MANUAL FOR F
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Contents 8080 N/B Maintenance 5.3 I
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1.1 Introduction 8080 N/B Maintenan
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8080 N/B Maintenance The NS PC87393
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LAN single chip : VT6105LOM PCMCIA
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8080 N/B Maintenance A high bandwid
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8080 N/B Maintenance - Video Overla
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8080 N/B Maintenance - 8-bit, 16-bi
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HUB Interface for ICH4 8080 N/B Mai
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8080 N/B Maintenance The integrated
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Supports serial interrupt protocol
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Fully programmable through serial p
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32bit PCI Bus-Master Interface 8080
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8080 N/B Maintenance 1.1.2.10 PCMCI
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1.1.2.11 AC”97 Codec _ STAC9750 8
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1.1.2.13 System Flash Memory (BIOS)
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1.2 Other Functions 1.2.1 Hot Key F
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1.2.4 LED Indicators 8080 N/B Maint
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1.2.6 Fan Power On/Off Management 8
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1.3 Peripheral Components 1.3.1 LCD
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Software configurable Low weight Op
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1.4.1.3 Standby Mode 8080 N/B Maint
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8080 N/B Maintenance 1.5 Appendix 1
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Continued to the previous table Aud
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2.1.3 Right-side View 1 2 3 4 2.1.4
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2.2 System Disassembly 8080 N/B Mai
Page 53 and 54: 2.2.1 Battery Pack Disassembly 8080
Page 55 and 56: 2.2.3 CPU Disassembly Figure 2-4 Re
Page 57 and 58: 8080 N/B Maintenance 7. Loosen the
Page 59 and 60: 8080 N/B Maintenance 5. Unscrew fou
Page 61 and 62: 2.2.6 DDR SDRAM Disassembly 8080 N/
Page 63 and 64: 8080 N/B Maintenance 6. Carefully t
Page 65 and 66: Reassembly 8080 N/B Maintenance 1.
Page 69 and 70: 8080 N/B Maintenance 6. Carefully,
Page 73 and 74: 2.2.12 Touch Pad Disassembly 8080 N
Page 75 and 76: 3.1 Main Board (Side A) - 1 8080 N/
Page 77 and 78: 8080 N/B Maintenance 3. Definition
Page 79 and 80: 8080 N/B Maintenance 4. Definition
Page 81 and 82: 8080 N/B Maintenance 5. Pin Descrip
Page 83 and 84: 5.1 Intel Pentium M Processor Signa
Page 85 and 86: 8080 N/B Maintenance 5.2 Intel 8285
Page 99 and 100: 6. System Block Diagram U17 CardBus
Page 101 and 102: 7.2 Error Codes Code 10h 11h 12h 13
Page 103: 7.3 Debug Tool 8080 N/B Maintenance
Page 107 and 108: POWER IN P20 U504 PJ501 Micro Contr
Page 109 and 110: 8.1 No Power P20 U504 Micro Control
Page 111 and 112: 8.2 No Display +3V L517 L513 L14 L9
Page 113 and 114: 8080 N/B Maintenance 8.3 VGA Contro
Page 115 and 116: 8.4 External Monitor No Display 808
Page 117 and 118: 8.5 Memory Test Error Extend DDRAM
Page 119 and 120: 8080 N/B Maintenance 8.6 Keyboard (
Page 121 and 122: 8.7 Hard Drive Test Error Hard Driv
Page 123 and 124: 8.8 CD-ROM Drive Test Error 8080 N/
Page 125 and 126: 8.9 USB Test Error 8080 N/B Mainten
Page 127 and 128: 8.10 Audio Failure Audio Failure 1.
Page 129 and 130: AOUT_R C326 4.7µ From previous pag
Page 131 and 132: P18 U17 PCMCIA Controller CB710 P9
Page 133 and 134: P9 U3 I/O Controller Hub 82801DBM I
Page 135 and 136: P9 8.13 IEEE 1394 Failure +3V L19 1
Page 137 and 138: 9. Spare Parts List - 2 Part Number
Page 145 and 146: 9. Spare Parts List - 10 Part Numbe
Page 147 and 148: 9. Spare Parts List - 12 Part Numbe
Page 150 and 151: 5 8080_R03 Project Code : G038 5 4
Page 152 and 153: 5 5 4 4 3 3 2 2 1 1 D D C C B B A A
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5 Maximum length less than 0.5" fro
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5 5 4 4 3 3 2 2 1 1 D D C C B B A A
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GND 5 5 Dedicate for USB2.0 can't u
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5 5 4 4 3 3 2 2 1 1 D D C C B B A A
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12 AOUT_R 5 5 C326 C327 R645 AOUT_R
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VT6307L IDSEL: AD21 PCI REQ0# PCI G
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5 5 4 4 3 10 USBP0- J510 B L39 +VCC
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5 5 4 4 3 U510 20,21 SA[0..17] SA0
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5 5 4 4 3 +5V D 1 3 SW8 2 4 KI6 KI6
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5 5 4 4 3 D D BAV70LT1 BAV70LT1 PJ5
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5 5 4 4 3 3 2 2 1 1 D D C C B B A A
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5 5 4 4 3 D D 1 2 GND 1 2 PC86 1000
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5 5 4 4 3 D D VID[0..5] +5V_P VID0
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5 5 4 4 3 3 2 2 1 1 D D C C B B A A
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5 5 4 4 3 3 2 2 1 1 D D C C B B A A
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