Toshiba 32E2533D, 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
+12V_Normal power to +5V_Normal power
Rup
Rdw
Rsw
5V Standby Power to 3.3V Standby /1.15V Core Power
+3.3V_Normal power to DDR_Power (DDR3-1.5V)
RA
RB
Vout=1.25V*(1+RB/RA)+80uA*RB
+5V_Normal power to +3.3V_Normal power
+5V_Normal power to +3.3V_TUNER
+5V_Normal power to 8831-DVB-T2 Demod 1.2V
DVB-T2 require
DVB-S require
Vout =1.277V=1.25* (1+10.2/470)
Demod :1.2V ~1.26V ~1.32V
RA
RB
Vout=1.25V*(1+RB/RA)+80uA*RB
+5V_Normal power to MSB1312 Demod 1.2V
Vout=0.77V x {1+[(Rup*Rsw)/(Rup+Rsw)]/Rdw}
Vout=0.6 x (1+RU/RD)
LX1=0.6 x (1+560/124) =3.309
LX2=0.6 x (1+93.1/100) =1.1586
POWER_EN
+5V_Normal
+12V_NORMAL
+5V_Standby
+3.3V_Normal
+3.3V_Normal
+3.3V_TUNER
+5V_Normal
+5V_Normal
VCC1.5V
+5V_Normal
MCP_VDDC
DM_1.2V
+5V_Normal
+3.3V_Standby
VCC1.10V
POWER_EN
PG
Size Document Number Rev
Date: Sheet of
Title
401C7L
1C
SCHEMATIC,M/B VTV-L50005
C
2 19 Monday, November 24, 2014
Size Document Number Rev
Date: Sheet of
Title
401C7L
1C
SCHEMATIC,M/B VTV-L50005
C
2 19 Monday, November 24, 2014
Size Document Number Rev
Date: Sheet of
Title
401C7L
1C
SCHEMATIC,M/B VTV-L50005
C
2 19 Monday, November 24, 2014
C38
2
2
u
F
/0
8
0
5
/6
.3
V
C38
2
2
u
F
/0
8
0
5
/6
.3
V
C5
1
0
u
F
/0
6
0
3
/2
5
V
C5
1
0
u
F
/0
6
0
3
/2
5
V
R14
100R/0603/1%
R14
100R/0603/1%
C3
0.1uF/0402/16V
C3
0.1uF/0402/16V
U1
AX3771/1A/QFN12
U1
AX3771/1A/QFN12
VIN1
7
NC1
5
VIN2
1
EN2
12
LX2
2
FB2
10
GND1
9
GND2
3
NC2
11
EN1
6
LX1
8
FB1
4
13
PAD C13 15pF/0402/50V C13 15pF/0402/50V
C1
10uF/0603/25V
C1
10uF/0603/25V
L3
3.3uH/SCD0403/3.3A
L3
3.3uH/SCD0403/3.3A
C49
2
2
u
F
/0
8
0
5
/6
.3
V
C49
2
2
u
F
/0
8
0
5
/6
.3
V
C20
0
.1
u
F
/0
4
0
2
/1
6
V
C20
0
.1
u
F
/0
4
0
2
/1
6
V
FB10
CLS/0603/60/3A FB10
CLS/0603/60/3A
C7
1
0
u
F
/0
6
0
3
/2
5
V
C7
1
0
u
F
/0
6
0
3
/2
5
V
R10 9.1K/0603/1% R10 9.1K/0603/1%
C35
0
.1
u
F
/0
4
0
2
/1
6
V
C35
0
.1
u
F
/0
4
0
2
/1
6
V
FB6
CLS/0603/60/3A
FB6
CLS/0603/60/3A
R12
124K/0603/1%
R12
124K/0603/1%
R13
470R/0603/1%
R13
470R/0603/1%
C4
10uF/0603/25V
C4
10uF/0603/25V
FB3
CLS/0603/60/3A
FB3
CLS/0603/60/3A
G
S
D
Q30
YS-P2301/SOT-23
G
S
D
Q30
YS-P2301/SOT-23
FB12
CLS/0603/60/3A
FB12
CLS/0603/60/3A
FB2
CLS/0603/60/3A
FB2
CLS/0603/60/3A
R9
6
2
K
/0
6
0
3
R9
6
2
K
/0
6
0
3
C9
1
0
u
F
/0
6
0
3
/2
5
V
C9
1
0
u
F
/0
6
0
3
/2
5
V
C83
2
2
u
F
/0
8
0
5
/6
.3
V
C83
2
2
u
F
/0
8
0
5
/6
.3
V
U7
AX1007E12A/SOT223 U7
AX1007E12A/SOT223
ADJ/GND
1
VIN
3
VOUT
2
VOUT
4
C41
0
.1
u
F
/0
4
0
2
/1
6
V
C41
0
.1
u
F
/0
4
0
2
/1
6
V
C33
0
.1
u
F
/0
4
0
2
/1
6
V
C33
0
.1
u
F
/0
4
0
2
/1
6
V
R199
1
K
/0
4
0
2
R199
1
K
/0
4
0
2
C19
1
0
u
F
/0
6
0
3
/6
.3
V
C19
1
0
u
F
/0
6
0
3
/6
.3
V
FB13
CLS/0603/60/3A
FB13
CLS/0603/60/3A
C25
0
.1
u
F
/0
4
0
2
/1
6
V
C25
0
.1
u
F
/0
4
0
2
/1
6
V
C30
1
0
u
F
/0
6
0
3
/6
.3
V
C30
1
0
u
F
/0
6
0
3
/6
.3
V
C18
1
0
u
F
/0
6
0
3
/2
5
V
C18
1
0
u
F
/0
6
0
3
/2
5
V
R5
1
2
K
/0
6
0
3
/1
%
R5
1
2
K
/0
6
0
3
/1
%
FB4
CLS/0603/60/3A
FB4
CLS/0603/60/3A
C6
0
.1
u
F
/0
4
0
2
/1
6
V
C6
0
.1
u
F
/0
4
0
2
/1
6
V
C22
1
0
u
F
/0
6
0
3
/6
.3
V
C22
1
0
u
F
/0
6
0
3
/6
.3
V
L1
3.3uH/SCD0403/3.3A
L1
3.3uH/SCD0403/3.3A
L2
3.3uH/SCD0403/3.3A
L2
3.3uH/SCD0403/3.3A
U2
BD95835EFJ
U2
BD95835EFJ
RT
6
VIN
2
EN
7
SW
3
FB
5
G
N
D
4
BST
1
P
W
_
P
A
D
9
SS
8
R2
3
3
K
/0
6
0
3
/1
%
R2
3
3
K
/0
6
0
3
/1
%
C10
390pF/0402/50V/10% C10
390pF/0402/50V/10%
FB9
CLS/0603/60/3A
FB9
CLS/0603/60/3A
C11
1
0
u
F
/0
6
0
3
/2
5
V
C11
1
0
u
F
/0
6
0
3
/2
5
V
U4
AX1117AD33A/TO252 U4
AX1117AD33A/TO252
ADJ / GND
1
VIN
3
VOUT
2
C23
2
2
u
F
/0
8
0
5
/6
.3
V
C23
2
2
u
F
/0
8
0
5
/6
.3
V
C21
0
.1
u
F
/0
4
0
2
/1
6
V
C21
0
.1
u
F
/0
4
0
2
/1
6
V
R3
82R/0603
R3
82R/0603
R11
100K/0603/1%
R11
100K/0603/1%
FB7
CLS/0603/60/3A
FB7
CLS/0603/60/3A
C39
1
0
u
F
/0
6
0
3
/6
.3
V
C39
1
0
u
F
/0
6
0
3
/6
.3
V
C37
1
0
u
F
/0
6
0
3
/6
.3
V
C37
1
0
u
F
/0
6
0
3
/6
.3
V
R4 806K/0603/1% R4 806K/0603/1%
C28
1
0
u
F
/0
6
0
3
/2
5
V
C28
1
0
u
F
/0
6
0
3
/2
5
V
C12
1
0
u
F
/0
6
0
3
/2
5
V
C12
1
0
u
F
/0
6
0
3
/2
5
V
R7 93.1K/0603/1% R7 93.1K/0603/1%
R16
10.2R/0603/1%
R16
10.2R/0603/1%
FB5
CLS/0603/60/3A
FB5
CLS/0603/60/3A
C31
0
.1
u
F
/0
4
0
2
/1
6
V
C31
0
.1
u
F
/0
4
0
2
/1
6
V
C40
2
2
u
F
/0
8
0
5
/6
.3
V
C40
2
2
u
F
/0
8
0
5
/6
.3
V
C36
0
.1
u
F
/0
4
0
2
/1
6
V
C36
0
.1
u
F
/0
4
0
2
/1
6
V
R1
100K/0402
R1
100K/0402
U3
AX1117AEA/SOT223 U3
AX1117AEA/SOT223
ADJ/GND
1
VIN
3
VOUT
2
VOUT
4
C26
1
0
u
F
/0
6
0
3
/2
5
V
C26
1
0
u
F
/0
6
0
3
/2
5
V
R8 56K/0603/1% R8 56K/0603/1%
C29
0
.1
u
F
/0
4
0
2
/1
6
V
C29
0
.1
u
F
/0
4
0
2
/1
6
V
U6
AX1117AEA/SOT223 U6
AX1117AEA/SOT223
ADJ/GND
1
VIN
3
VOUT
2
VOUT
4
C27
0
.1
u
F
/0
4
0
2
/1
6
V
C27
0
.1
u
F
/0
4
0
2
/1
6
V
C34
1
0
u
F
/0
6
0
3
/2
5
V
C34
1
0
u
F
/0
6
0
3
/2
5
V
R15
470R/0603/1% R15
470R/0603/1%
FB11
CLS/0603/60/3A
FB11
CLS/0603/60/3A
C14 15pF/0402/50V C14 15pF/0402/50V
FB8
CLS/0603/60/3A
FB8
CLS/0603/60/3A
FB1
CLS/0603/60/3A FB1
CLS/0603/60/3A
C15
0
.1
u
F
/0
4
0
2
/1
6
V
C15
0
.1
u
F
/0
4
0
2
/1
6
V
C24
1
0
u
F
/0
6
0
3
/2
5
V
C24
1
0
u
F
/0
6
0
3
/2
5
V
C2
10uF/0603/25V
C2
10uF/0603/25V
U5
AX1117AD33A/TO252 U5
AX1117AD33A/TO252
ADJ / GND
1
VIN
3
VOUT
2
C32
1
0
u
F
/0
6
0
3
/2
5
V
C32
1
0
u
F
/0
6
0
3
/2
5
V
R6 560K/0603/1% R6 560K/0603/1%