Chapter 5 Troubleshooting Guidelines
340S8 Rev : A Page
30
RAM Switch (U29)
RTL 8201 (U2)
Octal Buffer (U25)
U18
W83194BR-63S
VDDREF
1
AGPSEL/REF1
2
FS3/REF0
3
GNDREF
4
X1
5
X2
6
VDDPCI
7
FS1/PCICLK_F
8
FS2/PCICLK1
9
PCICLK2
1 0
PCICLK3
1 1
PCICLK4
1 2
PCICLK5
1 3
GNDPCI
14
VDDAGP
15
AGPCLK0
1 6
AGPCLK1
1 7
GNDAGP
18
GND48
19
FS0/48MHZ
2 0
MODE/24_48MHZ
2 1
VDD48
22
SDATA
23
SCLK
24
VDDSDR
25
SDRAM12
2 6
CPUSTP#/SDRAM11
2 7
PCISTP#/SDRAM10
2 8
GNDSDR
29
SDRSTOP#/SDRAM9
3 0
PD#/SDRAM8
3 1
GNDSDR
32
SDRAM7
3 3
SDRAM6
3 4
VDDSDR
35
SDRAM5
3 6
SDRAM4
3 7
SDRAM3
3 8
GNDSDR
39
SDRAM2
4 0
SDRAM1
4 1
SDRAM0
4 2
VDDSDR
43
GNDCPU
44
CPUCS_C2
4 5
CPU_C1
4 6
CPU_C0
4 7
VDDCPU
48
+3V
+3V
+5V
+3V
SDRAMSEL
17
I2CSDA
1,5,6
I2CSCL
1,5,6
0 ohm
10K
74HCT4066
TSSOP-14P
10K
10K
DTC144EKA
RAM_I2CSDA
RAM_I2CSCL
RAM_I2CSDA
RAM_I2CSCL
B_I2CSDA
A_I2CSCL
A_I2CSDA
B_I2CSCL
R353
10K
R352
10K
U29
74HCT4066
1Y
1
2Y
4
3Y
8
4Y
11
4Z
10
3Z
9
2Z
3
1Z
2
1E
13
2E
5
3E
6
4E
12
VCC
14
GND
7
Q47
DTC144EKA
B
C
E
RP44
8P4RX10K
1
2
3
4
5
6
7
8
R368
0
R369
R
Содержание 340S8
Страница 38: ...Chapter 5 Troubleshooting Guidelines 340S8 Rev A Page 38 ...
Страница 39: ...Chapter 5 Troubleshooting Guidelines 340S8 Rev A Page 39 ...
Страница 40: ...Chapter 5 Troubleshooting Guidelines 340S8 Rev A Page 40 System Disassembly Procedure ...
Страница 50: ...Chapter 5 Troubleshooting Guidelines 340S8 Rev A Page 50 Display Disassembly Procedure ...
Страница 57: ...Chapter 5 Troubleshooting Guidelines 340S8 Rev A Page 57 ...
Страница 64: ...Chapter 5 Troubleshooting Guidelines 340S8 Rev A Page 64 5 10 CMOS test error ...
Страница 67: ...Chapter 5 Troubleshooting Guidelines 340S8 Rev A Page 67 ...