mitac 8355.pdf - tim.id.au

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8.5 External Monitor No Display 1. Confirm monitor is good and check the cable are connected properly. 2. Try another known good monitor. Remove all the I/O device & cable from motherboard except monitor. 8355 N/B MAINTENANCE Symptom: The CRT monitor shows nothing or abnormal color, but it is OK for LCD. AGP Controller Failure Display OK? No Display OK? No Yes Yes Replace faulty monitor. Connect the I/O device & cable to the M/B one at a time to find out which part is causing the problem. Board-level Troubleshooting Replace Motherboard Check if U505, J504 are cold solder? No Yes Re-soldering. 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: M/B U506 J503 U9 U16 R94 C211 R505 R508 Q502 Q1 Q2 Q3 RP516 CP502 X3 R139 R141 L30-L36 CRT-DDCK CRT_DDDA CRT_VSYNC CRT_HSYNC CRT_RED CRT_GREEN CRT_BLUE 135
8.6 Memory Test Error P2 8355 N/B MAINTENANCE Symptom: The extend DDR RAM is failure or system hangs up. U503 Claw Hammer P13 AMD-K8 U20 South Bridge VT8235 DDR_CLK[0,5,7] CPU_CKEA MEMADD_A[ 0 . . 13 ] DDR_CASA# DDR_BA A[ 0 , 1 ] DDR_RASA# DDR_WEA# CPU_MD [ 0 : 63 ] CPU_DQM [ 0 . . 7 ] DDR_ DQS [ 0 . . 7 ] SMBCLK1 R536 0 R284 SMBDATA1 0 DDR_CLK[0,5,7]# RP503 RP505 RP507 RP509 RP511 RP514 RP518 RP520 RP522 RP525 RP526 RP530 10*8 DDR_CLK[1,4,6] DDR_CLK[1,4,6]# DDR_CS[2:3]# CPU_CKEB CPUCLK+ R88 10 CPUCLK- R86 10 R535 0 R537 0 25 26 DDR_CS[0:1]# R540 10 R538 10 36 37 U9 P6 ICS950403 SMBCLK_DDR SMBDATA_DDR +1.25VSREF_MEM +2.5VS_DIMM +1.25VSREF_MEM +2.5VS_DIMM P4 J6 DIMM0 P4 J7 DIMM1 136
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SERVICE SERVICE MANUAL MANUAL FOR F
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Contents 8355 N/B MAINTENANCE 5.3 V
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1.1 Introduction 8355 N/B MAINTENAN
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1.2 System Hardware Part 8355 N/B M
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8355 N/B MAINTENANCE HyperTransport
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1.2.2 System frequency 8355 N/B MAI
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1.2.3 VIA K8T800+VT8235 1.2.3.1 K8T
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LRU replacement scheme 8355 N/B MAI
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8355 N/B MAINTENANCE f) Notebook-cl
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8355 N/B MAINTENANCE SMOOTHVISION
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1.2.4.1 General and Interfacing Fea
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8355 N/B MAINTENANCE DDC1 and DDC2c
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+30dB boost preamplifier for MIC in
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Operating System Compatibility Wind
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8355 N/B MAINTENANCE 1200/75bps (V.
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Transmit Level >-15 dBm 8355 N/B MA
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Arbitrated short reset Enhanced pri
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Instruction length: 2 or 4 bytes 83
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Interrupts - 8355 N/B MAINTENANCE 9
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1.2.9 System Flash Memory (BIOS) 2
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Dual Speed - 100 / 10 Mbps Half and
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Secure Digital Interface 8355 N/B M
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Supports SUSPEND# Supports PCI PME#
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PPM for external FDD signal support
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8355 N/B MAINTENANCE 1.3.2 Power ON
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1.3.6 CMOS Battery CR2032 3V 220mAh
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1.4 Peripheral Components ROM Drive
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HDD: spin down Suspend to DRAM 8355
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8355 N/B MAINTENANCE 1.6 Appendix 1
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1.7 Appendix 2: H8 Pins Definition
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Continued to the previous table Por
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Continued to the previous table Por
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Continued to the previous table Ind
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2. System View and Disassembly 2.1
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2.1.5 Bottom View 1 2 CPU Cover Har
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NOTEBOOK 8355 N/B MAINTENANCE Modul
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2.2.2 Keyboard Disassembly 8355 N/B
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8355 N/B MAINTENANCE 5. Disconnect
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8355 N/B MAINTENANCE 5. Disconnect
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8355 N/B MAINTENANCE 5. Unscrew two
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2.2.6 SO-DIMM Disassembly 8355 N/B
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8355 N/B MAINTENANCE 6. Then remove
Page 85 and 86: 2.2.8 Inverter Board Disassembly 83
Page 87 and 88: 2.2.9 LCD Panel Disassembly 8355 N/
Page 89 and 90: 2.2.10 System Board Disassembly 835
Page 91 and 92: 8355 N/B MAINTENANCE 8. Unscrew one
Page 93 and 94: 2.2.11 Modem Card Disassembly Reass
Page 95 and 96: Reassembly 8355 N/B MAINTENANCE 1.
Page 97 and 98: 8355 N/B MAINTENANCE 3. Definition
Page 99 and 100: 8355 N/B MAINTENANCE 4. Definition
Page 101 and 102: DDR SDRAM Memory Interface Signal N
Page 103 and 104: 8355 N/B MAINTENANCE 5.2 K8T800M(VT
Page 105 and 106: AGP Bus Interface (Continued) Signa
Page 107 and 108: 5.3 VT8235 South Bridge-1 V-Link In
Page 109 and 110: 5.3 VT8235 South Bridge-3 PCI Bus I
Page 111 and 112: UltraDMA-133 /100 /66 /33 Enhanced
Page 113 and 114: Power Management and Event Detectio
Page 115 and 116: 5.3 VT8235 South Bridge-9 Power and
Page 117 and 118: 7. Maintenance Diagnostics 7.1 Intr
Page 119 and 120: 7.2 Error Codes Code 30h 31h 32h 33
Page 121 and 122: 7.3.2 Diagnostic Tool for PIO Port
Page 123 and 124: P30 Power In PJ501 PL1 PL2 PL3 PF1
Page 125 and 126: Power In +VMAIN_2951 F503 FUSE_1206
Page 127 and 128: P23 U511 H8/F3437 11 16 8355 N/B MA
Page 129 and 130: P2 P5 P7 P20 8.3 No Display U503 AM
Page 131 and 132: 8.3 No Display (System Failure) ALL
Page 133 and 134: U506 8355 N/B MAINTENANCE 8.4 AGP C
Page 135: 8.5 External Monitor No Display 835
Page 139 and 140: P22 U509 Super I/O PC87393 73 R216
Page 141 and 142: P13 8355 N/B MAINTENANCE 8.8 Hard D
Page 143 and 144: P13 1 2 8355 N/B MAINTENANCE 8.9 CD
Page 145 and 146: 8.10 USB Test Error (1) P12 8355 N/
Page 147 and 148: 8.10 USB Test Error USB Test Error
Page 149 and 150: 8.11 PC-Card Socket Failure PC Card
Page 151 and 152: 8.12 Memory-Card Socket Failure Mem
Page 153 and 154: 8.13 IEEE1394 Test Error 1394 Test
Page 155 and 156: 8.14 LAN Test Error LAN Test Error
Page 157 and 158: P13 U20 South Bridge VT8235 8.15 Au
Page 159 and 160: 9. Spare Part List-1 Part Number De
Page 169 and 170: 9. Spare Part List-11 Part Number D
Page 171 and 172: 9. Spare Part List-13 Part Number D
Page 175 and 176: 5 COVER SHEET & SCREW HOLE ClawHamm
Page 177 and 178: 5 5 1 2 4 4 ClawHammer-Power plane(
Page 179 and 180: 1 2 1 2 5 5 1 2 1 2 GND 4 1 2 4 1 2
Page 181 and 182: 5 5 4 4 ATI M10-P(1/4) 3 AGP_VDDQ +
Page 183 and 184: 5 4 ATI M10-P(3/4) 3 D C MEMA_MD0 M
Page 185 and 186: +5V 5 CRTGND TV CONNECTOR 5 GND GND
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15 HD_PDD[0..15] 5 HD_PDD[0..15] 15
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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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MINI-PCI AD21 PCI_INTD# REQ2#/GNT2#
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GND 5 GND R105 0603 1 2 0/NA 5 Q11
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5 5 4 4 AUDIO AMPLIFIER - TPA0202 3
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1 2 3 1 A K 1 2 1 2 1 2 5 1 2 1 2 1
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5 PCI PULL HIGH SB X-BUS PULL HIGH
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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 FOR M10 +1.2V&+1.0V 3 D D 2
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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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Reference Material AMD Athlon TM 6
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