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

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P6 U502 Memory Controller Hub Montara-GM 8.5 Memory Test Error Extend DDRAM is failure or system hangs up. CKE [0:3], CS# [0:3], SMA [1,2,4,5], SMAB [1,2,4,5] NB_MA [0,3,6:12] NB_MD [0:63] NB_DQS [0:7], NB_BA [0,1] NB_CB [0:7], NB_DM [0:8] NB_RAS#, NB_CAS#, NB_WE# P9 U3 I/O Controller ICH4-M HCLK_MCH HCLK_MCH# 66M_MCH SMB_DATA SMB_CLK R138 33 R130 33 R108 33 CLK_DDR [0:5] , CLK_DDR [0:5]# RP11,RP13,RP15,RP17,RP20 RP22,RP25,RP28,RP31,RP33 RP34,RP37,RP40 10*8 R216,R225 10 VDD3 R44 2.2K 49 48 22 R31 2.2K P4 8080 N/B Maintenance U4 +3V G Clock Generator PLL207-151 MA [0,3,6:12] MD [0:63] D S Q515 G 2N7002 D S Q516 2N7002 DQS [0:7], BA [0,1] MCB [0:7], DM [0:8] RAS#, CAS#, WE# R663 10K 29 30 +1.25V_DDR R662 10K SMBDATA SMBCLK RP14,RP16~RP19,RP21,RP23 RP24,RP26,RP27,RP29,RP30 RP32 56*8 R194,R200,R221,R231,R215 RR219,R226 56 +2.5V_DDR R186 75 R185 75 C154 0.01µ C150 0.01µ CKE [0,1], CS# [0,1], SMA[1,2,4,5] CLK_DDR [0:2] , CLK_DDR [0:2]# C153 0.1µ C149 0.1µ +DDR_VREF C152 0.1µ C151 0.1µ CKE [2,3], CS[2,3]#, SMAB [1,2,4,5] CLK_DDR [3:5] , -CLK_DDR [3:5] J513 P7 DDR SODIMM J514 P7 DDR SODIMM 117
8080 N/B Maintenance 8.6 Keyboard (K/B) Touch-Pad (T/P) Test Error Error message of keyboard or touch-pad failure is shown or any key does not work. Keyboard or Touch-Pad Test Error Is K/B or T/P cable connected to notebook properly? Try another known good Keyboard or Touch-pad. Test Ok? Yes No Yes No Correct it. Replace the faulty Keyboard or Touch-Pad. Board-level Troubleshooting Replace Motherboard Check U504, J1, J2 for cold solder? No Yes Re-soldering. One of the following parts or signals on the motherboard may be defective, use an oscilloscope to check the signals or replace the parts one at a time and test after each replacement. Parts U510 U504 J1,J2 SW3~SW8 SW502~SW507 F3 L20 L22,L23 R227,R228 R615 X502 Signals H8_VDDA SA2 IRQ1 IRQ12 IOR# IOW# KI[0:7] KO[0:15] T_CLK T_DATA 118
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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.
Page 67 and 68: Reassembly 8080 N/B Maintenance 1.
Page 69 and 70: 8080 N/B Maintenance 6. Carefully,
Page 71 and 72: Reassembly 8080 N/B Maintenance 1.
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 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: 8.5 Memory Test Error Extend DDRAM
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
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
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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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SERVICE MANUAL FOR 8080 Sponsoring
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