Toshiba 50L2331D, Руководство по обслуживанию

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5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
Pd:0.4W
510mA
+12V_Normal
+5V_Standby
+3.3V_Normal
+5V_Standby
+1.2V_Normal
+2.5V_Normal +3.3V_Normal
+5V_Standby +3.3V_Standby
+1.5V_Normal
+3.3V_Normal
+5V_Normal
+5V_Standby
+3.3V_Normal
+5V_Normal
+5V_Normal
NORMAL_PWR_CTL 4,6
NORMAL_PWR_CTL 4,6
OCP_OUTPUT_PWM 17
12V_EN 6
ACDetect 6
BL_EN 6
FRC_BL_EN 17
SCANNING_BL_EN 6
Size Project Name
Rev
Date: Sheet of
Title :
Engineer:
B
4 23 Thursday, December 20, 2012
MAIN BOARD
DC to DC
1.03a
L2300
Jeff Y Hsiao/Jerry Lo
Size Project Name
Rev
Date: Sheet of
Title :
Engineer:
B
4 23 Thursday, December 20, 2012
MAIN BOARD
DC to DC
1.03a
L2300
Jeff Y Hsiao/Jerry Lo
Size Project Name
Rev
Date: Sheet of
Title :
Engineer:
B
4 23 Thursday, December 20, 2012
MAIN BOARD
DC to DC
1.03a
L2300
Jeff Y Hsiao/Jerry Lo
C43
0
.1
U
F
/1
6
V
1
2
R34 56KOHM
1 2
C2
0
.1
U
F
/1
6
V
1
2
D S
G
1
2
3
Q18
AP2307GN
1
2 3
C45
0
.0
1
U
F
/5
0
V
1
2
C44
2.2UF/10V
1
2
R38
22KOHM
1 2
C47
0
.1
U
F
/1
6
V
1
2
C429
4
.7
U
F
/2
5
V
NC
1
2
R17
100KOHM
1
2
U15
TPS5432DDAR
BOOT
1
VIN
2
PH
3
GND1
4
SS
8
EN
7
COMP
6
VSENSE
5
GND2
9
R13
180KOHM
1
2
R554 33 OHM
1 2
C93
0.1UF/16V
1 2
C25
0
.1
U
F
/1
6
V
NC
1
2
R420
56KOhm
1
2
C162
0
.0
1
U
F
/5
0
V
1
2
FB35
120Ohm
2 1
C9
0
.1
U
F
/1
6
V
1
2
C33
0
.1
U
F
/1
6
V
1
2
C324
1
0
U
F
/1
0
V
1
2
C95
220PF/50V
1 2
C30
1
U
F
/1
6
V
1
2
U6
TPS5432DDAR
BOOT
1
VIN
2
PH
3
GND1
4
SS
8
EN
7
COMP
6
VSENSE
5
GND2
9
R97
9
.1
K
O
h
m
1
2
R101
20KOhm
1 2
C326
0
.1
U
F
/1
6
V
1
2
C158
0
.1
U
F
/1
6
V
1
2
R32
1
0
K
O
h
m
1
2
G2
C315DO169x130n
NP_NC
1
GND1
2
GND2
3
GND3
4
GND7
8
GND6
7
GND5
6
GND4
5
GND8
9
R428
56KOhm
1 2
R95
1
2
K
O
H
M
1
2
R40
2
2
K
O
H
M
NC
1
2
C14
0
.1
U
F
/1
6
V
1
2
G3
C315D130N
NP_NC
1
GND1
2
GND2
3
GND3
4
GND7
8
GND6
7
GND5
6
GND4
5
GND8
9
R37
24KOHM
1 2
C36
0
.1
U
F
/1
6
V
1
2
FB4 120Ohm 2 1
C6
0
.1
U
F
/1
6
V
1
2
R555 33 OHM
1 2
C332
0.1UF/16V
1 2
C12
2
2
P
F
/5
0
V
1
2
C32
1
0
U
F
/1
0
V
1
2
C325
0
.1
U
F
/1
6
V
1
2
C347
2
2
P
F
/5
0
V
1
2
R2 0 Ohm 1 2
FB1 120Ohm
2 1
R98
1
0
K
O
h
m
1
2
R144 0 Ohm
1 2
R3
0 Ohm
1 2
R12
1
2
K
O
h
m
1
2
U5 RT9043-GB
VIN
1
GND
2
EN
3
FB
4
VOUT
5
C40
1
0
U
F
/1
0
V
1
2
C3
1
0
U
F
/1
0
V
1
2
C11
1
0
0
0
P
F
/5
0
V
NC
1
2
C157
2
2
U
F
/6
.3
V
NC
1
2
R100
6.49KOHM
1 2
C13
1
U
F
/1
6
V
1
2
R31
12KOHM
1 2
C39
0.1UF/16V
1 2
C91
0
.2
2
U
F
/2
5
V
1
2
U4B
RT9025_25PSP_12VIA
GND3
10
GND4
11
GND5
12
GND6
13
GND7
14
GND8
15
GND9
16
GND10
17
GND11
18
GND12
19
GND13
20
GND14
21
C42
2
2
U
F
/6
.3
V
1
2
C352
1
0
0
0
P
F
/5
0
V
NC
1
2
C8
0
.1
U
F
/1
6
V
1
2
B
C
E
1
2
3
Q19
PMBS3904
R39
1
0
K
O
h
m
NC
1
2
R28
2
.0
5
K
O
h
m
1
2
R14
4
.7
K
O
H
M
1
2
FB3 120Ohm
2 1
C96
0
.1
U
F
/1
6
V
1
2
C31
0
.1
U
F
/1
6
V
1
2
L2
2.2uH
2
1
C5
1
0
0
0
P
F
/5
0
V
1
2
G1
C315D157N
NP_NC
1
GND1
2
GND2
3
GND3
4
GND7
8
GND6
7
GND5
6
GND4
5
GND8
9
R33
1
0
K
O
h
m
1
2
L3
2.2uH
2
1
R8
4
7
K
O
H
M
1
2
R421
56KOhm
1
2
R15
4
.7
K
O
H
M
1
2
C46
0
.0
1
U
F
/5
0
V
1
2
R16
1
0
K
O
h
m
1
2
C153
1
0
U
F
/1
0
V
1
2
C231
2
2
U
F
/6
.3
V
NC
1
2
R35
100KOHM
1 2
C16
0
.1
U
F
/1
6
V
1
2
CN1
WAFER_HD_1X14P
1
2
3
4
5
6
7
8
9
10
11
12
13
14
G4
C315D130N
NP_NC
1
GND1
2
GND2
3
GND3
4
GND7
8
GND6
7
GND5
6
GND4
5
GND8
9
R36
10KOhm
1 2
C238
2
2
0
P
F
/5
0
V
NC
1
2
C38
330PF/50V
1 2
C451
1UF/16V
1
2
C41
1
0
U
F
/1
0
V
1
2
R96
0 Ohm
1 2
C29
0
.1
U
F
/1
6
V
1
2
R27
110KOHM
1 2
R131
0 Ohm
1 2
C48
0
.2
2
U
F
/2
5
V
NC
1
2
R30 51KOHM
1 2
C15
1
U
F
/1
6
V
1
2
C94
2
2
0
0
P
F
/5
0
V
1
2
U1 RT9043-GB
VIN
1
GND
2
EN
3
FB
4
VOUT
5
C28
1
U
F
/1
6
V
1
2
R556 33 OHM NC 1 2
R130
49.9 OHM
1 2
U4A
RT9025_25PSP_12VIA
PGOOD
1
EN
2
VIN
3
VDD
4
GND2
9
GND1
8
ADJ
7
VOUT
6
NC
5
C37
0
.1
U
F
/1
6
V
1
2
FB2 120Ohm 2 1
C235
2
2
U
F
/6
.3
V
1
2