Service manual

Schematic Diagrams
B - 26 CPU FAN, LPC ROM
B.Schematic Diagrams
CPU FAN, LPC ROM
Sheet 25 of 41
CPU FAN,
LPC ROM
Z2503
J_FAN1
85205-0300
1
2
3
Low
R499 8.2K_04
FWH_WP#
40MIL
LPC_AD3
Z2506
LPC_AD0
U32
MC74VHC1G14DFT2G
2 4
53
1
3.3VS
High
Z2514
Block 1~7
Q3
NDS352AP_NL
G
D S
Normal Low
R762
0_04
Block 0~7
Low
C632
.1U_10V_04
SOCKET PLCC32
Z2509
R502 8.2K_04
PCLK_FWH2
R763
*0_04
Z2515
High
R50 120K_04
Block 0
Z2513
Low
3.3VS
VDD5
C10
10U_10V_08
VDD3
C24
.1U_10V_04
Flash Mode
R503 100_04
FWH_TBL#
Z2508
PCLK_FWH
R506 8.2K_04
LPC_FRAME#
LPC_FRAME#17,20,23
LPC_AD2
Low
CPU_FANSEN23
R507 10K_06
Z2502
R51
*2.2M_04
40MIL
R504 8.2K_04
D1 SCS551V-30
AC
PLT_RST#
L8
HCB2012K-500T40_08
1 2
Z2505
FLASH#15
Z2501
R57 10K_04
U31
SST49LF008A
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
VPP
RST#
FGPI3
FGPI2
FGPI1
FGPI0
WP#
TBL#
ID3
ID2
ID1
ID0
FWH0
FWH1
FWH2
GND
FWH3
RFU
RFU
RFU
RFU
RFU
FWH4
INIT#
VCC
GND
VCCA
GNDA
IC
FGPI4
CLK
VCC
+
-
U1A
GM358
3
2
1
84
5VS
PLT_RST#11,15,20,26
Z2511
R5 4.7K_04
C23
.1U_16V_04
C633
.1U_10V_04
D6
SCS551V-30
A C
R764 *0_04
20mil
FW ROM
LPC_AD117,20,23
FAN_DC_VOL
R501 8.2K_04
5VS
R12 4.99K_1%_06FAN_DC_VOL
Z2512
+
C565
100U_6.3V_B
12
Z2504
LPC_AD317,20,23
R765 0_04
JFAN
3
Protected
3.3VS
3.3VS
CPU_FAN23
R500 8.2K_04
R509
2. 2K_04
L17
*HCB2012K-500T40_08
1 2
+
-
U1B
GM358
5
6
7
High
1
LPC_AD017,20,23
LPC_AD217,20,23
LPC_AD1
High
VDD5
Z2507
Z2510
FAN CONTROL