Service manual
Table Of Contents
- Manual
- Preface
- 1: Introduction
- 2: Disassembly
- Overview
- Disassembly Steps
- To remove the hard disk drive assembly:
- To remove the CD device(s):
- To remove the RF module:
- To remove the system memory:
- To remove the CPU:
- To remove the modem:
- To remove the floppy disk drive assembly:
- To remove the optional wireless LAN module:
- To remove the inverter board:
- To remove the mainboard:
- To remove the LCD/LED board:
- To remove the base cover:
- To remove the speaker units:
- To remove the bridge board:
- To remove the CD device base brackets:
- To remove the USB board:
- To remove the power supply unit:
- Removing the Hard Disk Drive Assembly
- Removing the CD Devices
- Removing the RF Module
- Removing the System Memory
- Removing the CPU
- Removing the Modem
- Removing the Floppy Disk Drive Assembly
- Removing the Wireless LAN Module
- Removing the I/O Bracket
- Removing the Rear Bracket
- Removing the Inverter Board
- Removing the Mainboard
- Separating the Bottom Case from the LCD & Mainboard Assembly
- Removing the LCD
- Removing the LED Board
- Removing the Base Cover
- Removing the Speaker Units
- Removing the Bridge Board
- Removing the CD Device Base Brackets
- Removing the USB Board
- Removing the Power Supply Unit
- Appendix A: Part Lists
- Appendix B: Schematic Diagrams
- Table 1 - 1 Schematic Diagram
- System Block Diagram
- Clock Generator
- DRCG Panel Type
- CPU (P4 mPGA 478) - 1 of 2
- CPU (P4 mPGA478) - 2 of 2
- MCH (CPU, HUB, AGP) - 1 of 2
- MCH (RDRAM, PCI) - 2 of 2
- RAMBUS A,B
- CPU Decoupling
- ATI Mobility M6 - 1 of 3
- ATI Mobility M6 - 2 0f 3
- ATI Mobility M6 - 3 0f 3
- VRAM Terminator
- Z3, LVDS
- Micro-P, LCD PWR
- ICH2 - 1 of 2
- ICH2 - 2 of 2
- Audio Codec, AMP
- IDE, PCI Reset
- PCMCIA 1394
- 1394 PHY, PCMCIA Ejecter
- LAN 8139C
- Super I/O
- USB, Bluetooth
- LPT, IR/RF
- Mini PCI, MDC
- Power - 1 of 2
- Power - 2 of 2
- SSC, VGA Power
- VRAM DDR - 1 of 2
- VRAM DDR - 2 of 2
- Video In
- External USB Board
- LED Board
- Inverter Board - Page 1 of 2
- Inverter Board - Page 2 of 2
- Appendix C: Switches
- Appendix D: Updating the FLASH ROM BIOS

Schematic Diagrams
B - 6 Mainboard (71-P3000-004A)
Schematic Diagrams
CPU (P4 mPGA 478) - 1 of 2
Sheet 4 of 32
CPU (P4 mPGA478)
1 of 2
+3V
+3V
+1.8V
+1.8V
+3V
+5V
Z0206
Z0207
Z0215
Z0216
Z0208
Z0217MULT0
MULT1
MULT0
MULT1
Z0218
Z0209
Z0201
Z0210
MULT0
MULT1
SUSB#
SUSB#
R480
51_1%
12
R479
51_1%
12
C783 0.1U_X7R1 2
C789
*4.7P
12
R482
51_1%
12
R481
51_1%
12
C785 0.1U_X7R1 2
C790
*4.7P
12
R142 391 2
R143 391 2
R146 391 2
R147 391 2
RN55
8P4RX4.7K
1
2
3
45
6
7
8
R667 4.7K1 2
C784
10U/10V
12
C243
0.1U_X7R
12
C242
0.1U_X7R
12
C746
0.1U_X7R
12
C747
0.1U_X7R
12
C745
0.1U_X7R
12
R668 4.7K1 2
R459
4.7K
12
C750
0.1U_X7R
12
C241
0.1U_X7R
12
C240
0.1U_X7R
12
C236
0.1U_X7R
12
C749
0.1U_X7R
12
C748
0.1U_X7R
12
R455
4.7K
12
C736
0.1U_X7R
12
C782
10U/10V
12
U13
ICS9212-03
1
3
9
10
16
2211
6
7
12
2
15
14
24
23
13
18
20
4
8
5
17
21
19
VDDREF
VDD1
VDD2
VDDPD
VDDOUT1
VDDOUT2BUSCLK_STOP#
PCLK/M
SYNCLK/N
PD#
REFCLK
MULTI0
MULTI1
FS0
FS1
FS2
BUSCLKC
BUSCLKT
GND1
GND2
GND3
GNDOUT1
GNDOUT2
NC
U14
ICS9212-03
1
3
9
10
16
2211
6
7
12
2
15
14
24
23
13
18
20
4
8
5
17
21
19
VDDREF
VDD1
VDD2
VDDPD
VDDOUT1
VDDOUT2BUSCLK_STOP#
PCLK/M
SYNCLK/N
PD#
REFCLK
MULTI0
MULTI1
FS0
FS1
FS2
BUSCLKC
BUSCLKT
GND1
GND2
GND3
GNDOUT1
GNDOUT2
NC
T4
C730
10U/10V
12
T5
C744
10U/10V
12
12
ON
43
SW1
HDS404-2E
3
4
1
2
5
6
7
8
CLKREF1[1]
CLKREF2[1]
DRCG1_CTM
DRCG1_CTM#
DRCG2_CTM
DRCG2_CTM#
CHA_HCLK[5]
CHA_RCLK[5]
CHB_HCLK[5]
CHB_RCLK[5]
MULT0[16]
MULT1[16]
+1.8V [27,28]
+3V [3,10,11,13,14,26,27,28,31]
+5V [11,14,15,26,27,28]
SUSB#[16,23,26]
LCDID3
LCDID2
LCDID1
LCDID0
MULT0 MULT1 A B PLLCLK(REFCLK=50MHZ)
0 0 4 1 200
0 1 6 1 300
1 0 16 3 266.7
1 1 8 1 400
PLLCLK(REFCLK=66.6MHZ)
266.4
399.6
355.2
532.8
PLL DIVIDER SELECTION AND PLL VALUES(PLLCLK=REFCLK*A/B)
BYPASS AND TEST MODE SELECTION
MODE FS0 FS1 FS2 BUSCLK BUSCLKB
Normal 0 0 0 PACLK PACLKB
Bypass 1 0 0 PLLCLK PLLCLKB
Test 1 1 0 REFCLK REFCLK
Note : MULT[0..1]
850Chipset supports 400MHZ(PC800) and
300MHZ(PC600) RAMBUS operation only.
JITTER
REDUCTION
JITTER
REDUCTION
PANEL TYPE SELECT
Manufacturer Model name SW1-4SW1-3SW1-2SW1-1
LG
SAMSUNG
HYUNDAI
UNIPAC
CHI MEI
ACER
LM181E04
LTM170E4-L01
HT17E11-100
M170E1/M170E4
L170E3-1(M170EN04)
X
Other setting for LG panel default.
ON
ON
OFF
ON
OFF
ON
OFF
ON
ON
OFF
OFF
ON
OFF OFF OFF OFF
OFF
OFF OFF
OFF OFF OFF
OFF OFF
SW1 must on the TOP side