Dc-Dc Power - Samsung HT-F4500 Service Manual

6. Schematic Diagram

6.3. DC-DC POWER

+27V_1 +27V_1
+27V_2 +27V_2
+27V_3 +27V_3
+27V_4 +27V_4
+27V_5 +27V_5
PGND1 PGND1
PGND2 PGND2
PGND3 PGND3
PGND4 PGND4
VARI VARI
NC NC
ST3.4V_2 ST3.4V_2
ST3.4V_1 ST3.4V_1
GND_1 GND_1
GND_2 GND_2
D12V_3 D12V_3
D12V_1 D12V_1
D12V_2 D12V_2
PON PON
GND_3 GND_3
VP_2 VP_2
VF-_2 VF-_2
VF+_2 VF+_2
CN21 CN21
DGND DGND
1/10W 1/10W
10KO HM 10KO HM
R2 R2
F_ON _OFF 3 F_ON _OFF 3
DGND DGND
B12V_PW B12V_PW
6-4
VP_31V_PW VP_31V_PW
VF-_2.3V_PW VF-_2.3V_PW
PVDD_27V_PW PVDD_27V_PW
VF+_2.3V_P W VF+_2.3V_P W
23 23
22 22
21 21
20 20
19 19
18 18
17 17
16 16
15 15
B12V_PW B12V_PW
14 14
VARI_S MPS VARI_S MPS
13 13
PGND PGND
12 12 BD93 BD93
11 11
10 10
9 9
8 8 BD1 BD1
5000M A 5000MA 0.01O HM 0.01O HM
7 7
BD23 BD23
5000MA 5000MA 0.01O HM 0.01O HM
6 6 BD24 BD24
5000MA 5000MA 0.01O HM 0.01O HM
5 5
P_ON P_ON
4 4
3 3
2 2
1 1
DGND DGND
3.3V 3.3V
DGND DGND
FD3.3V_PW FD3.3V_PW
AL3.3V_PW AL3.3V_PW
Q2153 Q2153
AO3415AS AO3415AS CB2012UA300T CB2012UA300T
BD18 BD18
0.01O HM 0.01O HM
R184 R184
UNDEFINED UNDEFINED
D3.3V_PW D3.3V_PW
BD17 BD17
CB2012UA300T CB2012UA300T
0.01O HM 0.01O HM
R183 R183
UNDEFINED UNDEFINED
MMBT2222A MMBT2222A
C C
Q2138 Q2138
B B
E E
DGND DGND
HDMI_CTL HDMI_CTL
DGND DGND
D D
G G
S S
DGND DGND
12V 12V
R12V R12V
UNDEFINED UNDEFINED
0.01OHM 0.01OHM
CB2012UA300T CB2012UA300T
BD22 BD22
FE12V_PW FE12V_PW
UNDEFINED UNDEFINED
0.01OHM 0.01OHM
CB2012UA300T CB2012UA300T
BD94 BD94
AL3.3V_P W AL3.3V_P W
F_ON_ OFF1 F_ON_ OFF1
F_ON_ OFF2 F_ON_ OFF2
0.01O HM 0.01O HM
0.01O HM 0.01O HM
5000MA 5000MA
BD3 BD3
5000MA 5000MA
DGND DGND
1P F 1P F
50V 50V
0OHM 0OHM
F3. 3V_S EN F3. 3V_S EN
1.2V 1.2V
0OHM 0OHM
D3.3V_S EN D3.3V_S EN
D1.2V_PW D1.2V_PW
0O HM 0O HM
1.2V_S EN 1.2V_S EN R18 6 R186
DGND DGND
F_ON_ OFF4 F_ON_ OFF4
L2214 L2214
4.7UH 4.7UH
DGND DGND
1NF 1NF
50V 50V
C2195 C2195
120K OHM 120K OHM 1/10W 1/10W
R2185 R2185
1 1
RLIM3 RLIM3 AGND AGND
TPS65251RHA R TPS65251RHA R
C2186 C2186 4.7NF 4.7NF 50V 50V 2 2
SS3 SS3 IC2201 IC2201 V3V V3V
C2179 C2179 4.7NF 4.7NF 20KOHM 20KOHM 1/16W 1/16W
3 3
CMP3 CMP3 V7V V7V
C2180 C2180 R2194 R2194
50V 50V 4 4
FB3 FB3 PGOOD PGOOD
5 5
R2192 R2192 SYNC SYNC GND GND
R2183 R2183 1/16W 1/16W 1/16W 1/16W 6 6
ROSC ROSC LOW_P LOW_P
180K OHM 180K OHM 200K OHM 200K OHM
MGND1 MGND1
7 7
FB1 FB1 FB2 FB2
NC NC
C2181 C2181 R2193 R2193
1/16W 1/16W 8 8
CMP1 CMP1 COMP2 COMP2
4.7NF 4.7NF 20KOHM 20KOHM
C2182 C2182
50V 50V
9 9 DGND DGND
SS1 SS1 SS2 SS2
50V 4.7NF 50 V 4.7NF
C2187 C2187
10 10
RLIM1 RLIM1 RLIM2 RLIM2
R2188 R2188
1/10W 1/10W
82KOHM 82KOHM
L2196 L2196
4.7UH 4.7UH
L2215 L2215
4.7UH 4.7UH
DGND DGND
DGND DGND
5.0V 5.0V
FD5.0V_D RV_PW FD5.0V_D RV_PW
D5.0V_PW D5.0V_PW
0.01OHM 0.01OHM
BD19 BD19
FD5.0V_ PW FD5.0V_ PW
0.01OHM 0.01OHM
BD20 BD20
B12V_PW B12V_PW
DGND DGND
AL3.3V_PW AL3.3V_PW
30 30
C2228 C2228
29 29 4.7UF 4.7UF 10V 10V
C2229 C2229
28 28 10UF 0 1 F U 16V 6 1 V
27 27
26 26
C2231 C2231
1P F 1P F
25 25
50V 50V
10NF 10NF 1/16W 1/16W
24 24
20KOHM 20KOHM
23 23 16V 16V 4.7NF 4.7NF 50V 50V
C2219 C2219
22 22 R2225 R2225 C2232 C2232
21 21
R2220 R2220
120K OHM 120K OHM
1/10W 1/10W
DGND DGND
1.5V 1.5V
D1.5V_PW D1.5V_PW
R185 R185
0OHM 0OHM
1.5V_SEN 1.5V_SEN
DGND DGND
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