mitac 8355.pdf - tim.id.au

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8355 N/B MAINTENANCE 1.2.5 AC’97 AUDIO SYSTEM: C-MEDIA ELECTRONICS INC., CMI9738-S The CMI9738-S is an 18-bit, full duplex AC'97 2.2 compatible stereo audio CODEC designed for PC multimedia systems,including host/soft audio and AMR/CNR based designs. The CMI9738-S incorporates proprietary converter technology to achieve a high SNR, greater than 90 dB. The CMI9738-S AC'97 CODEC supports multiple CODEC extensions with independent variable sampling rates and built-in 3D effects. The CMI9738-S CODEC provides two pairs of stereo outputs with independent volume controls, a mono output, and multiple stereo and mono inputs, along with flexible mixing, gain and mute functions to provide a complete integrated audio solution for PCs. Features Single chip audio CODEC with high S/N ratio (>90dB) Compliant with AC’97 2.2 & WHQL specifications Support of S/PDIF out is compliant with AC’97 rev2.2 specifications Meets performance requirements for audio on PC2001 systems Meets Microsoft PC99 & WLP 2.0 audio requirements 18-bit Stereo full-duplex CODEC with independent and variable sampling rate 18-bit ADC and 20-bit DAC resolution Four analog line-level stereo inputs with 5-bit volume control: LINE_IN, CD, VIDEO, AUX High quality differential CD input Two analog line-level mono input: PC_BEEP,PHONE_IN Supports double sampling rate (96KHz) of DVD audio playback Two software selectable MIC inputs 23
+30dB boost preamplifier for MIC input Stereo output with 6-bit volume control Mono output with 5-bit volume control 8355 N/B MAINTENANCE Headphone output with 50mW/8. Driving capability Line output with 50mW/8. driving capability Headphone jack-detect function to mute LINE/MONO/HP output, and to control S/PDIF output 3D Stereo Enhancement Multiple CODEC extension capability External Amplifier Power Down (EAPD) capability High performance converter technology Power management and enhanced power saving features 2 GPIO pins No external crystal/clock required 14.318MHz 24.576MHz PLL saves crystal DC Voltage volume control Auxiliary power (VAUX ) to support Power Off CD function Power support: Digital: 3.3V; Analog: 3.3V/5V Standard 48-Pin LQFP Package 24
Page 1 and 2: SERVICE SERVICE MANUAL MANUAL FOR F
Page 3 and 4: Contents 8355 N/B MAINTENANCE 5.3 V
Page 5 and 6: 1.1 Introduction 8355 N/B MAINTENAN
Page 7 and 8: 1.2 System Hardware Part 8355 N/B M
Page 9 and 10: 8355 N/B MAINTENANCE HyperTransport
Page 11 and 12: 1.2.2 System frequency 8355 N/B MAI
Page 13 and 14: 1.2.3 VIA K8T800+VT8235 1.2.3.1 K8T
Page 15 and 16: LRU replacement scheme 8355 N/B MAI
Page 17 and 18: 8355 N/B MAINTENANCE f) Notebook-cl
Page 19 and 20: 8355 N/B MAINTENANCE SMOOTHVISION
Page 21 and 22: 1.2.4.1 General and Interfacing Fea
Page 23: 8355 N/B MAINTENANCE DDC1 and DDC2c
Page 27 and 28: Operating System Compatibility Wind
Page 29 and 30: 8355 N/B MAINTENANCE 1200/75bps (V.
Page 31 and 32: Transmit Level >-15 dBm 8355 N/B MA
Page 33 and 34: Arbitrated short reset Enhanced pri
Page 35 and 36: Instruction length: 2 or 4 bytes 83
Page 37 and 38: Interrupts - 8355 N/B MAINTENANCE 9
Page 39 and 40: 1.2.9 System Flash Memory (BIOS) 2
Page 41 and 42: Dual Speed - 100 / 10 Mbps Half and
Page 43 and 44: Secure Digital Interface 8355 N/B M
Page 45 and 46: Supports SUSPEND# Supports PCI PME#
Page 47 and 48: PPM for external FDD signal support
Page 49 and 50: 8355 N/B MAINTENANCE 1.3.2 Power ON
Page 51 and 52: 1.3.6 CMOS Battery CR2032 3V 220mAh
Page 53 and 54: 1.4 Peripheral Components ROM Drive
Page 55 and 56: HDD: spin down Suspend to DRAM 8355
Page 57 and 58: 8355 N/B MAINTENANCE 1.6 Appendix 1
Page 59 and 60: 1.7 Appendix 2: H8 Pins Definition
Page 61 and 62: Continued to the previous table Por
Page 63 and 64: Continued to the previous table Por
Page 65 and 66: Continued to the previous table Ind
Page 67 and 68: 2. System View and Disassembly 2.1
Page 69 and 70: 2.1.5 Bottom View 1 2 CPU Cover Har
Page 71 and 72: NOTEBOOK 8355 N/B MAINTENANCE Modul
Page 73 and 74: 2.2.2 Keyboard Disassembly 8355 N/B
Page 75 and 76:
8355 N/B MAINTENANCE 5. Disconnect
Page 77 and 78:
8355 N/B MAINTENANCE 5. Disconnect
Page 79 and 80:
8355 N/B MAINTENANCE 5. Unscrew two
Page 81 and 82:
2.2.6 SO-DIMM Disassembly 8355 N/B
Page 83 and 84:
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 and 136:
8.5 External Monitor No Display 835
Page 137 and 138:
8.6 Memory Test Error P2 8355 N/B M
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 161 and 162:
Page 163 and 164:
Page 165 and 166:
Page 167 and 168:
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
Page 187 and 188:
15 HD_PDD[0..15] 5 HD_PDD[0..15] 15
Page 189 and 190:
5 5 4 4 3 3 2 2 1 1 D D C C B B A A
Page 191 and 192:
MINI-PCI AD21 PCI_INTD# REQ2#/GNT2#
Page 193 and 194:
GND 5 GND R105 0603 1 2 0/NA 5 Q11
Page 195 and 196:
5 5 4 4 AUDIO AMPLIFIER - TPA0202 3
Page 197 and 198:
1 2 3 1 A K 1 2 1 2 1 2 5 1 2 1 2 1
Page 199 and 200:
5 PCI PULL HIGH SB X-BUS PULL HIGH
Page 201 and 202:
5 5 4 4 3 3 2 2 1 1 D D C C B B A A
Page 203 and 204:
5 5 4 4 FOR M10 +1.2V&+1.0V 3 D D 2
Page 205 and 206:
5 5 4 4 3 3 2 2 1 1 D D C C B B A A
Page 207 and 208:
Reference Material AMD Athlon TM 6
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