Philco PH28B25DG Schematic

T
V P
H
2 8 B 2
5 D G
http://treinamento.britania.com.br
0800-415300
D
VISTA EXPLODIDA
Acesse a LISTA BÁSICA em www.telecontrol.com.br e consulte os códigos das peças pela referência.
PRODUTO CÓDIGO TENSÃO PADRÃOEN°SÉRIE
TVPH28B25DG LED
(X)- O último algarismo nas colunas "Código" e "Padrão N° Série" significa a versão do aparelho.
099283008ATX
BIV
0 00 00000 00 T156
X
25
12
C1
11
24
15
21
22
17
18
30
26
NOTA:
-Consulte os códigos na Lista Básica em www.telecontrol.com.br
- Somente os itens que possuem códigos serão fornecidos.
- Em caso de dúvidasacessar http://treinamento.britania.com.br ou .entrar em contato com o Suporte Técnico
- Este documento está sujeito a alterações sem aviso prévio
New Parts
VEX. . .REV.PH VÍDEO.170 0 MARÇO/2014
27
TV PH28B25DG LED
19
28
23
29
PAG. 2/10
POWER CONTROL
PWR-ON/OFF
PWR-ON/OFF
BL_CTRL
12VTO 5V
12VA
C141
C142
100U
1U
16V
C151
GND
0.1U
5VA
R118
NC/100K
1.1V
R123 10K
C153
1U
GND
3.3VSB
BL_CTRL
R109
100K
B
R137
NC
0R
Q101
2N7002
NC
R140
10K NC
GND
GND
KEY&IR
ZR
Z_IR
T
T
C120
1000P
GND
Shielding L0710
OUT
5
AGND
6
FB
7
Vref=0.6V
EN
8
5VA
R136
470R
NC
R138
G-LED
10R
NC
R139
4K7 NC
Z_KEY
T
ZG
T
C121
0.1U
C136
R147 150K
15P
GND
R148
22K
R149 150K
GND
C116
0.1U NC
GND
P601
K_GND
T
4
NC
GND
3
GND
2
KEY1
1
3.3VSB
3.3VSB
0.1U
C198
GND
F154 F156F153
F155
GND
3.3VSB
C137
C138
22U
22U
6V3
6V3
GND
P604
5
NC
R-LED
4
GND
3
IR
2
3V3SB
1
GND
NC/P603
7
NC
G-LED
6
5
NC
R-LED
4
3
IR
2
1
GND
1V1
T
Typ 3A
C139
10V
1.1V
C140
10U
0.1U
24VTO 12V
NC
R101
0R 0R
NC
R102
L101
392170
24V/12V
T
C101
24V/12V
GND
0.1U
PWRON
R107 330R
Z_3V3SB
BLON
T
T
GND
3.3VSB
C102
0.01U C103
GND
3.3VSTB
P-ON/OFF
BL-ON/OFF
0.01U
T
R105 3K3
R106 330R
R108 10K
GND
24/12V
12
4
3
6
5
3.3VSTB
8
7
10
9
DIM-ADJ
12
11
P100
C104
0.1U
24/12V T
PW_GND
T
GND
NC
R103
3V3SB
DIM-ADJ
GND
12VA
NC
0R
0R
R104
V-AUDIO
T
3.3VSB
T
R151
DIM-ADJ
220R
C105
0.01U
24/12V
C106
C107
0.1U
100U 35V
GND
GND
GND
C174
R154
NC/470P
NC/10R
C108
0.1U
R124
0R
R125 100K
U102
C109
8
BS
7
5
R126 220K
GND
1
0.1U
SW
BST
VIN
GND
MP1582
R127
EN
2
24K
EN
COMP
36
COMPFREQ
4
FB
FB
4700P C111
C110 390P
R128 15K
GND
L102 10UH
D101 SR34
GND
GND
R130
470K
C112
R129
1000P
33K
GND
Vout=0.8(1+470/33)=12.19V
GND
12VA
Z_12VA
T
Typ2A
C113
C114
C115
0.1U
220U 16V
1U
Shielding L0710
GND
R155
NC/10R
C175
NC/470P
AS1117AD
3
GND
U201
VIN
OUT
GND/ADJ
C145 15P
L103
6.8UH
R114
R115
0R
39K
R116
220R
R117
6K8
GND
VOUT=1.52V@350mA(MAX)
4
412
C126 220U
6.3V
GND
Typ 3A
C148 220U
10V
GND
C150
C149
10U
0.1U
5V NORMALPOWER
DDR_POWER
L201 220R
C128
C127
10U
0.1U 6V3
5VA
4
4
U104
GND/ADJ
OUT
NC/AZ1117
5VA
NC/10U
VIN
2
3
C129
C130 NC/0.1U
10V
GND
3V3A
3V3A
1
T
C133
C132
NC/10U
10V
R153
220U
NC/1K
6.3V
C131
0.1U
D113
NC/PESD5V0
GND
C197
3.3VSB
NC/10U 10V
D103
CMS06NC/
R131
1%
0R
C143
R110
0R
0.1U
U101
MP1495
BSTFBGND
5
7
R112
R111 82K
C147
0.1U
R660
10K
GND
8
82K
C146 1000P
4
SWEN/SYNC
36
IN
VCC
2
AAM
1
R113
GND
33K
VCC=0.8(39/7.02+1)=5.24V
Q103
PMV65XP
D
S
G
19
33K
R1
C
Q105
BT3904
C124
NC/0.1U
E
GND
5V-DDR
T R120 5R6
2W
C123
R122
470R
0.1U
R121
GND
100R
KEYGND IR
3.3VSB
NC
R132 10K
E
R133
LED_R
LED_R
KEY_IN
IR_IN
C117
39P
GND
Close to RT58
4K7
B
C
R134
2K2
3.3VSB
R141
47K
R142
4.7K
C199
0.1U
GND
R145
100R
R146
4K7
3.3VSB
Standard PCB Module
3V3A
(Vin=2.5V-5.5V)
5VA
C135
C134
R152
10U
0.1U NC/10R
C196
NC/470P
GND
GND
3.3VSB
R135
4K7
NC
Q102
LED_G
BT3906
LED_G
R-LED
D102 0BAV99NC/
1
2
3
KEY
G-LED
R-LED
IR
C119
C118
0.1U
T
39P
Z3V3B
L104 1UH
U103
MP2143
GND
PGND
4
SW
3
VIN
2
PG
1
R150 510K
VCC=0.6(150/172+1)=1.1V
VCC=1.25(100/470+1)=1.52V
New Parts
VEX. . .REV.PH VÍDEO.170 0 MARÇO/2014
TV PH28B25DG LED
PAG. 3/10
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