Chapter 5 Troubleshooting Guidelines
340S8 Rev : A Page
36
PWM Control (U28)
PWM Control (U34)
Low Dropout Regulator (U26)
Linear Regulator (U32)
DC-DC Converter (U30)
Charger (U33)
U17
29LV020 (PLCC-32)
A0
12
A1
11
A2
10
A3
9
A4
8
A5
7
A6
6
A7
5
A8
27
A9
26
A10
23
A11
25
A12
4
A13
28
A14
29
A15
3
A16
2
CE
22
OE
24
A18
1
WE#
31
O0
13
O1
14
O2
15
O3
17
O4
18
O5
19
O6
20
O7
21
VCC
32
VSS
16
A17
30
U3
GD75232
ROUT1
19
ROUT2
18
ROUT3
17
ROUT4
14
ROUT5
12
DIN1
16
DIN2
15
DIN3
13
RIN1
2
RIN2
3
RIN3
4
RIN4
7
RIN5
9
DOUT1
5
DOUT2
6
DOUT3
8
VCC
20
V+
1
V-
10
GND
11
U28
TL594-SOP16
1IN+
1
1IN-
2
FB
3
DTC
4
CT
5
RT
6
GND
7
C1
8
E1
9
E2
10
C2
11
VCC
12
OUT-CTRL
13
REF
14
2IN-
15
2IN+
16
U34
TL594-SOP16
1IN+
1
1IN-
2
FB
3
DTC
4
CT
5
RT
6
GND
7
C1
8
E1
9
E2
10
C2
11
VCC
12
OUT-CTRL
13
REF
14
2IN-
15
2IN+
16
U26
AME8800DEFT
GND
1
IN
3
OUT
2
U32
78L12-SO8
Vout
1
GND
2
GND
3
GND
6
GND
7
Vin
8
N.C
5
N.C
4
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 ...