Dc-Dc Power - Samsung HT-C5200/EDC Service Manual

Schematic Diagram
7-22 DC-DC POWER
POWER
CN1601 CN1601
MGND1 MGND1
1 1
2 2
VFD_-32V VFD_-32V
3 3
VFD- VFD- -3.7 -3.7
4 4
VFD+ VFD+
5 5
P_ON P_ON
6 6
7 7
8 8
9 9
10 10
11 11
5000MA 5000MA
12 12
BD1601 BD1601
13 13 BD1602 BD1602
5000MA 5000MA
14 14
BD1603 BD1603
5000MA 5000MA
15 15
-D12V -D12V
SGND SGND
-D12V_PW -D12V_PW
SGND SGND
F_ON_OFF1 F_ON_OFF1 R1726 R1726
17E1< 17B7< 14F8> 17E1<17B7<14F8>
1KOHM 1KOHM
1/16W 1/16W
F_ON_OFF2 F_ON_OFF2 R1727 R1727
17H7<17F8< 17H7< 17F8< 17E1< 17E1< 14A5> 14A5>
ST5.4V ST5.4V
NC NC
DGND DGND
NC NC
F_ON_OFF1 F_ON_OFF1
R171 R171
ST5.4V ST5.4V
17F8< 17F8<
14A5> 14A5> F_ON_OFF2 F_ON_OFF2 R172 R172
17C2< 17C2<
17H7< 17H7<
1KOHM 1KOHM
1/16W 1/16W
DGND DGND
CLOSE TO IC25 CLOSE TO IC25
7-22
(-32V) (-32V) 14E11< 14E11<
14E11< 14E11<
14E11< 14E11<
17E8> 14E8< 17E8> 14E8<
D12V_PW D12V_PW
ST5.4V ST5.4V
0.01OHM 0.01OHM
0.01OHM 0.01OHM
0.01OHM 0.01OHM
SGND SGND
IC1703 IC1703
1 1 8 8
IN IN
2 2 GND GND 7 7
SW SW
3 3 VCC VCC 6 6
SW SW
FB FB
4 4 5 5
BST BST
EN/SYNC EN/SYNC
DGND DGND
4.7UH 4.7UH 5000MA 5000MA
L1702 L1702 BD11 BD11
0.01OHM 0.01OHM
1/10W 1/10W
33KOHM 33KOHM
DGND DGND
R181 R181
DGND DGND
IC25 IC25
1 1 8 8
IN IN
GND GND
2 2 7 7
SW SW
3 3 VCC VCC 6 6
SW SW
4 4 FB FB 5 5
BST BST
EN/SYNC EN/SYNC
5000MA 5000MA
BD1604 BD1604
0.01OHM 0.01OHM
DGND DGND
4.7UH 4.7UH 5000MA 5000MA
L9 L9 BD1605 BD1605
0.01OHM 0.01OHM
1/10W 1/10W
8.2KOHM 8.2KOHM
DGND DGND
R1608 R1608
CLOSE TO IC25 CLOSE TO IC25
CLOSE TO IC25 CLOSE TO IC25
DGND DGND
D12V_PW D12V_PW
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ST5.4V ST5.4V AOZ1025DIL AOZ1025DIL
IC1601 IC1601
1 1 16 16
LX LX LX LX
2 2 15 15
VIN VIN LX LX
3 3 14 14
VIN VIN LX LX
4 4 13 13
1NF 1NF
VIN VIN NGATE NGATE
5 5 12 12
50V 50V
VIN VIN PGOOD PGOOD
6 6 11 11
AGND AGND PGND PGND
7 7 10 10
FB FB EN EN C1627 C1627
8 8 9 9
NC NC COMP COMP
R1634 R1634
SGND SGND 10KOHM 10KOHM
10KOHM 10KOHM
1/16W 1/16W
1/10W 1/10W
R1627 R1627
17E1< 17E1< 17C2< 17C2< 14F8> 14F8>
F_ON_OFF1 F_ON_OFF1
SGND SGND
ST5.4V ST5.4V
FDS9933A FDS9933A
1 1
2 2
3 3
4 4
D1.5V_PW D1.5V_PW
KTD1304 KTD1304
C C
Q1604 Q1604
B B
E E
DGND DGND
10KOHM 10KOHM
KTD1304 KTD1304 1/16W 1/16W
C C
Q1603 Q1603
B B
R1628 R1628
E E
FD3.3V_PW FD3.3V_PW
DGND DGND
D3.3V_PW D3.3V_PW
DGND DGND
NC NC
NC 0403-001375(3.6V) NC 0403-001375(3.6V)
DGND DGND
F_ON_OFF2 F_ON_OFF2
17F8< 17F8< 17E1< 17E1< 17C2< 17C2< 14A5> 14A5>
FE8V_PW FE8V_PW
KIA7808AF KIA7808AF
IC1603 IC1603
1 1 3 3 DGND DGND
IN IN OUT OUT
14A5> 14A5> F_ON_OFF4 F_ON_OFF4
GND GND
DGND DGND
AO4404BL AO4404BL
Q1602 Q1602
4.7UH 4.7UH 5000MA 5000MA
1 1 8 8
BD1616 BD1616
2 2 7 7
L1603 L1603
0.01OHM 0.01OHM
3 3 6 6
4 4 5 5 5000MA 5000MA
BD2 BD2
R1643 R1643
0.01OHM 0.01OHM
R8513 R8513 10OHM 10OHM
1/8W 1/8W 1/8W 1/8W
10OHM 10OHM
C1628 C1628
SGND SGND
4.7NF 50V 4.7NF 50V
SGND SGND
AP1117D-33G-13 AP1117D-33G-13
0.01OHM 0.01OHM
IC1602 IC1602
5000MA 5000MA
3 3 2 2 BD1618 BD1618
VIN VIN VOUT VOUT
ADJ ADJ
DGND DGND
FD5.0V_PW FD5.0V_PW
OP+5V OP+5V
NC NC
MMSZ5234BT1G MMSZ5234BT1G
6.2V 6.2V
PZD4 PZD4
Q1601 Q1601
8 8
DGND DGND
D5.0V_PW D5.0V_PW
7 7
BD1611 BD1611
6 6
5 5 BD1612 BD1612
5000MA 5000MA
0.01OHM 0.01OHM
5000MA 5000MA
0.01OHM 0.01OHM
DGND DGND
WS5V_PW WS5V_PW
10KOHM 10KOHM
BD1613 BD1613 10OHM 1/8W 10OHM1/8W
1/16W 1/16W
14E8< 14E8<
P_ON P_ON R8288 R8288
17B2< 17B2<
10OHM 1/8W 10OHM1/8W
R1633 R1633
R8289 R8289
C1639 C1639
10OHM 10OHM 1/8W 1/8W
R8290 R8290
10OHM 10OHM 1/8W 1/8W
DGND DGND DGND DGND
14A5> 14A5> 17C2< 17C2<
F_ON_OFF2 F_ON_OFF2
17E1< 17E1< 17H7< 17H7<
ST5.4V ST5.4V ST5.4V ST5.4V
FDS9933A FDS9933A
Q1702 Q1702
1 1 8 8 BD1615 BD1615
0.01OHM
2 2 7 7
3 3 6 6
4 4 5 5
BD2002 BD2002
5000MA 5000MA
0.01OHM 0.01OHM
R1723 R1723
KTD1304 KTD1304
C C
Q1701 Q1701
B B
1/16W 1/16W
E E
10KOHM 10KOHM
DGND DGND
R1636 R1636 KTD1304 KTD1304
C C
Q1605 Q1605
B B
NC NC
E E
NC NC
DGND DGND
DGND DGND
D1.25V_PW D1.25V_PW
SGND SGND
D3.3V D3.3V
DGND DGND
BD1607 BD1607 5000MA 5000MA 0.01OHM 0.01OHM
BD1608 BD1608 5000MA 0.01OHM 5000MA 0.01OHM
BD1609 BD1609 5000MA 0.01OHM 5000MA 0.01OHM
BD1610 BD1610 5000MA 5000MA 0.01OHM 0.01OHM
DGND DGND
SGND SGND
IPOD5V_PW IPOD5V_PW AL5V_PW AL5V_PW
5000MA 5000MA
0.01OHM
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