Service manual

Schematic Diagrams
B - 6
Schematic Diags
CLK409
Sheet 5 of 42
CLK409
VCC3S
VCC3_CLK
VCC3
VCC3S
VCC3
VCC3_CLK
VCC3_CLK
VCORE
VCC3_CLKA
VR_PWRGD_CK409#
CLK_ICHPCI
PCLK_LAN
PCLK_RAID
PCLK_LPC
CLK48_USB
PCLK_TUNER
PCLK_H8
PCLK_80P
CLK48_IO
CPUCLK
CPUCLK_2#
CPUCLK_2
CPUCLK_0#
CPUCLK_1
CPUCLK_1#
CPUCLK_0
CPUCLK#
14.3M_ICH5
PCLK_RAID
PCLK_LAN
CLK_ICHPCI
CLK66_ICH_HUB
CPU66IN_MCH
PCLK_CARDBUS
PCLK_H8
CLK48_USB
CLK48_IO
PCLK_LPC
PCLK_80P
14.3M_AUDIO
ITPCLK#
ITPCLK
MCHCLK
MCHCLK#
VR_PWRGD_CK409#
VCC3_CLK
PCLK_1394
PCLK_TUNER
SATACLK
SATACLK#
PCLK_1394
PCLK_CARDBUS
G_66M_ATI_M10
C984 10P(R)1 2
C835
0.1U
C830
0.1U
C351
10U(0805)
12
L68 BK2125HS601
C400 10P1 2
R333
10K
C377
2.2U(0805)
12
R338 10K
C395 10P1 2
C397 10P1 2
C398 10P1 2
C399 10P1 2
C378 10P1 2
C401 10P1 2
C402 10P1 2
C394 10P1 2
C396 10P1 2
R334
0(R)
C350 10P1 2
R659 33
R658 33
U41
CY48209/ICS952605
6
11
17
25
33
39
45
53
54
42
50
3
10
16
24
36
55
35
29
37
44
2
12
13
14
15
18
19
20
51
56
7
30
31
32
21
22
23
26
27
49
52 47
43
40
46
38
48
41
9
28
4
8
1
5
34
GND
GND
GND
GND
GND
GND
GND
GND
GND
VDDCPU
CPU_STOP#
VDDREF
VDDPCI
VDDPCI
VDD3V66
VDDSRC
VDDA
VTT_PWRGD#
3V66_4/VCH_CLK
SRCCLKC
CPUCLK_1
REF1
PCICLK0/Reset_EN
PCICLK1
PCICLK2
PCICLK3
PCICLK4
PCICLK5
PCICLK6
FS_A
FS_B
PCICLK_FS2
SDATA
24_48MHz/SEL24_48#
48MHz_0/FS3
PD#
3V66_0/Reset#
3V66_1
3V66_2
3V66_3
PCI_STOP#
IREF CPUCLK_2
CPUCLK_1#
CPUCLK_0#
CPUCLK_2#
SRCCLKT
VDDCPU
CPUCLK_0
PCICLK_F2
SCLK
X1
PCICLK_FS4
REF0
X2
VDD48
L67 BK2125HS601(R)
R655 33
R654 33
R657 33
R656 33
R677 33
R676 33
R678 33
R673 33
R665 33
R666 33
R683 33
R343 33(R)
R681 33
R679 33
R682 33
R680 33
R674 33
R675 33
R335 33
R662 33
R326
49.9_1%
R324
49.9_1%
R327
49.9_1%
R672 33
Y7
14.318MHz
1 2
R322
49.9_1%
R323
49.9_1%
R325
49.9_1%
C385
0.1U
C384
0.01U
L70 BK2125HS601(R)
R336
1M(R)
C367
0.1U
C366
0.1U
C365
0.1U
C386
0.1U
L69 BK2125HS601
C387
4.7U(1206)
12
C382
1U(0805)
C388
10U(0805)
12
C379
0.1U
C368
1U(0805)
C389
10U(0805)
12
C390
0.01U
R339 33
C381
0.1U
C380
0.1U
C383
0.1U
R648
2.49K_1%
R317
2.49K_1%
R646 2K_1%
R647 2K_1%
C369
56P
12
R645
475_1%
R316
1K
R315
1K
R661 33(R)
R660 33(R)
C376
56P
12
R321
49.9_1%
R320
49.9_1%
Q15
2N3904
B
E
C
CPUCLK# [3]
CPUCLK [3]
ITPCLK [3]
ITPCLK# [3]
MCHCLK [6]
MCHCLK# [6]
14.3M_ICH5 [19]
CLK_ICHPCI [19]
PCLK_LAN [36]
G_66M_ATI_M10 [11]
CLK66_ICH_HUB [20]
CPU66IN_MCH [6]
PCLK_1394 [35]
PCLK_CARDBUS [33]
PCLK_H8 [31]
CLK48_USB [20]
PCLK_LPC [29]
PCLK_80P [30]
SMB_ICHDATA[9,19,36]
SMB_ICHCLK[9,19,36]
BSEL0[6]
BSEL1[6]
FSA[3]
FSB[3]
PCLK_RAID [22]
PCLK_TUNER [17]
VCC3S [2,3,9,10,11,12,16,17,18,19,20,23,24,27,28,29,31,32,33,36,37,42]
VCC3 [6,19,22,23,27,29,32,33,35,36,37,38,39,40,41,42]
14.3M_AUDIO [24]
CLK48_IO [29]
SATACLK# [19]
SATACLK [19]
CLOSED CK-409
FSB FSA FUNCTION
0
0
0
0
1
1
11
CAP should be placed near CK-409
100 MHz HOST CLK
133 MHz HOST CLK
200 MHz HOST CLK
166 MHz HOST CLK