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

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8.13 IEEE 1394 Failure IEEE1394 Fail 1. Check if the 1394 device is installed properly. 2. Confirm 1394 driver is installed ok. Test OK? <strong>8080</strong> N/B Maintenance An error occurs when a IEEE 1394 device is installed. No Check if BIOS setup is ok. Re-test OK? No Yes Yes Correct it. Correct it. Board-level Troubleshooting Replace Motherboard Check the following parts for cold solder or one of the following parts on the mother-board may be defective, use an oscilloscope to check the following signal or replace the parts one at a time and test after each replacement. Parts: Signals U3 U9 U10 J506 U2 JL11 R220 X3 Transfer Board J1 J5 L5 L6 AD[0:31] CBE# [0:3] PCI_REQ0# PCI_FRAME# PCI_IRDY# PCI_TRDY# PCI_DEVSEL# PCI_STOP# INT_PIRQG# PCIRST# PCI_GNT0# PCI_PAR PCI_PERR# PCI_SERR# PCI_PME# PCICLK_1394 EECS EECK EEDI EEDO TPA+ TPA- TPB+ TPB- TPBIAS1 +3V 1394_VCC 1394_AVCC 133
P9 8.13 IEEE 1394 Failure +3V L19 120Z/100M 1394_AVCC C242 0.1µ C219 0.1µ +3V 14 PCIRST# 9,10 U2C 8 74AHC08_V 7 C220 0.1µ JL11 C222 0.1µ <strong>8080</strong> N/B Maintenance An error occurs when a IEEE 1394 device is installed. +3V L19 120Z/100M 1394_VCC U3 I/O Controller Hub 82801DBM ICH4-M C234 0.1µ PCI_PAR, PCI_PME#, PCI_GNT0# PCI_REQ0#, INT_PIRQG# PCI_PERR#, PCI_DEVSEL# AD[0:31], CBE#[0:3] C241 0.1µ 29 32 C250 C249 C248 C224 0.1µ 0.1µ 0.1µ 0.1µ 31 30 +3V PCI_FRAME#, PCI_IRDY#, PCI_TRDY#, PCI_STOP# C230 0.1µ PCICLK_1394 From U4 Clock Generator C238 0.1µ 93 1394_PCIRST# 92 RP1,RP2 R78,R132 8.2K*4 P15 U9 IEEE1394 Controller VT6307L 60 61 73 72 71 70 74 C227 10P EECS R220 1M TPA+ TPA- TPB+ TPB- EECK EEDI EEDO X3 24.576MHZ TPBIAS R590 54.9 C597 0.33µ C235 10P R591 54.9 1 2 3 4 U10 NM93C46 R592 54.9 C598 270P R593 54.9 R598 4.99K P22 8 5 J506 26 28 32 34 +3V C252 1µ J1 25 27 31 33 TPA+ TPA- TPB+ TPB- Transfer Board 1 2 4 3 4 L6 L5 3 1 2 4 3 2 1 J5 1394 Socket 134
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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
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2.2.1 Battery Pack Disassembly 8080
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2.2.3 CPU Disassembly Figure 2-4 Re
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8080 N/B Maintenance 7. Loosen the
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8080 N/B Maintenance 5. Unscrew fou
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2.2.6 DDR SDRAM Disassembly 8080 N/
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8080 N/B Maintenance 6. Carefully t
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Reassembly 8080 N/B Maintenance 1.
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8080 N/B Maintenance 6. Carefully,
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2.2.12 Touch Pad Disassembly 8080 N
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3.1 Main Board (Side A) - 1 8080 N/
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8080 N/B Maintenance 3. Definition
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8080 N/B Maintenance 4. Definition
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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 and 104: 7.3 Debug Tool 8080 N/B Maintenance
Page 105 and 106: 8.1 No Power No Power Is the notebo
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: P9 U3 I/O Controller Hub 82801DBM I
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
Page 154 and 155: 5 Maximum length less than 0.5" fro
Page 158 and 159: GND 5 5 Dedicate for USB2.0 can't u
Page 162 and 163: 12 AOUT_R 5 5 C326 C327 R645 AOUT_R
Page 164 and 165: VT6307L IDSEL: AD21 PCI REQ0# PCI G
Page 166 and 167: 5 5 4 4 3 10 USBP0- J510 B L39 +VCC
Page 168 and 169: 5 5 4 4 3 U510 20,21 SA[0..17] SA0
Page 170 and 171: 5 5 4 4 3 +5V D 1 3 SW8 2 4 KI6 KI6
Page 172 and 173: 5 5 4 4 3 D D BAV70LT1 BAV70LT1 PJ5
Page 176 and 177: 5 5 4 4 3 D D 1 2 GND 1 2 PC86 1000
Page 178 and 179: 5 5 4 4 3 D D VID[0..5] +5V_P VID0
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