Philips 231T1SB/00 Service Manual page 25

1
Power 2
Add Thermal Pad
+5V_STB
+5V_SW AV33
U151 U151
LD1117ADT33TR LD1117ADT33TR
3 2
VIN VOUT
C151 C151
A C166 C166 + + C159 C159 100N 16V 100N 16V
100N 16V 100N 16V 100uF 10V 100uF 10V
+5V_SW TO AV33 +5V_STB TO DV33SB
Add Thermal Pad
DV18_DDR
DV33
+5V_SW DV33
U157 LD1117S33TR U157 LD1117S33TR
3 2 C173 C173
VI VO
100N 16V 100N 16V
SMD/0402
+ + C160 C160
100uF 10V 100uF 10V
C158 C158
100N 16V 100N 16V
+5V_SW TO DV33 DV33 TO DV18_CI
B
FB150 FB150
+5V_STB DVD_VCC
1 2
Q153 NC/SI5441DC Q153 NC/SI5441DC NC/220R/2000mA NC/220R/2000mA
8 1
D D
7 2
D D
6 3
D D
5 4
S G
C182 C182 + + C179 C179
NC/100uF 10V NC/100uF 10V
NC/100N 16V NC/100N 16V
R169 R169 FOR DVD MODEL
+5V_SW
NC/1KOHM +-5% 1/10W NC/1KOHM +-5% 1/10W
R170 R170
Q154 Q154
2
NC/BC847C NC/BC847C
NC/1KOHM +-5% 1/10W NC/1KOHM +-5% 1/10W
C180 C180
NC/4.7UF 10V NC/4.7UF 10V
+5V_STB TO DVD_VCC
C
+5V_STB
Q150 Q150
SI5441DC SI5441DC
8
D D
7
D D
6
D D
5
S G
PANEL_VCC_ON/OFF(PANEL_VCC ON/OFF):
C113 C113
Normal: High
100N 16V 100N 16V
Stand_By: Low
R164 R164
1KOHM +-5% 1/10W 1KOHM +-5% 1/10W
R158 R158
PANEL_VCC_ON/OFF Q151 Q151
2
MUN2211TIG MUN2211TIG
10KOHM +-5% 1/10W 10KOHM +-5% 1/10W
C156 C156
4.7UF 10V 4.7UF 10V
+5V_STB TO PANEL VCC
D
1
2
Add Thermal Pad
DV33SB +5V_SW
U153 U153
LD1117ADT-TR LD1117ADT-TR
U152 U152
3 2
VIN VOUT
AME8810-AEGTZ 0.6A/3.3V AME8810-AEGTZ 0.6A/3.3V
3 2
VIN VOUT(heat sink)
C169 C169
100N 16V 100N 16V
SMD/0402
C155 C155
10uF 10V 10uF 10V
C168 C168
10uF 16V 10uF 16V
Vo=1.25 x (1+120R/120R) = 2.5V
+5V_SW TO AV25
R175 R175 NC/0 OHM +-5% 1/10W NC/0 OHM +-5% 1/10W
+5V_SW +5V_TU
DV18_CI
U158 LD1117S18 U158 LD1117S18 R178 R178
NC/0 OHM +-5% 1/4W NC/0 OHM +-5% 1/4W R180 R180
NC/0 OHM +-5% 1/4W NC/0 OHM +-5% 1/4W
3 2
VI VO
U159 U159
C175 C175
10uF 10V 10uF 10V
2 4
VIN VO
1
VINH
+ + 3 5
GND ADJ
C177 C177
330UF 16V 330UF 16V LD39080PT-R LD39080PT-R
NC/CONN NC/CONN
R174 R174
F150 F150 4K7 OHM 1/10W 1% 4K7 OHM 1/10W 1%
NC/1.5A 125V 045101.5MRL NC/1.5A 125V 045101.5MRL
4
3
2
C183 C183
1
NC/100N 16V NC/100N 16V
CN150 CN150
+18V_A
C152 C152 R153 R153
NC/100N 16V NC/100N 16V NC/4.7 OHM +-5% 1/10W NC/4.7 OHM +-5% 1/10W
1
BOOT
2
VIN
RESERVE EN
3
EN
C171 C171 C172 C172
4
SS
NC/4U7 25V NC/4U7 25V NC/4U7 25V NC/4U7 25V
NC/TPS54231DR NC/TPS54231DR
C170 C170
NC/15N 25V NC/15N 25V
PANEL_VCC
R168 R168
0 OHM +-5% 1/4W 0 OHM +-5% 1/4W
1
2
3
4
C167 C167
10uF 16V 10uF 16V
PANEL_VCC_ON/OFF(PANEL_VCC ON/OFF):
Normal: High
Stand_By: Low
PANEL_VCC_ON/OFF
NC/10KOHM +-5% 1/10W NC/10KOHM +-5% 1/10W
ONLY Click MODEL
2
3 4
Add Thermal Pad
AV25
AV25 AV12
U154 U154
3 2
VIN VOUT
C164 C164
+ + C161 C161 100N 16V 100N 16V + + C162 C162
100uF 10V 100uF 10V SMD/0402 100uF 10V 100uF 10V
LD1117S-TR LD1117S-TR
R151 R151 C153 C153
120R 1% 1/10W 120R 1% 1/10W 10uF 16V 10uF 16V R163 R163
1 OHM +-5% 1/10W 1 OHM +-5% 1/10W
Vo=1.25 x (1+1R/120R) = 1.26V
AV25 TO AV12
+5V_TUNER
FB151 FB151
1 2
220R/2000mA 220R/2000mA
+ +
C178 C178
470UF 10V 470UF 10V
NEARLY TUNER
+5V_TUNER FROM Regulator
R179 R179 +5V_TU
NC/0 OHM +-5% 1/4W NC/0 OHM +-5% 1/4W
L150 L150 NC/15uH NC/15uH R160 R160 PANEL_VCC
NC/0 OHM +-5% 1/4W NC/0 OHM +-5% 1/4W
ZD150 ZD150
U155 U155 NC/SS2P4 NC/SS2P4 C154 C154 C157 C157
NC/22U 10V NC/22U 10V NC/22U 10V NC/22U 10V
8
PH
7
GND
6
COMP
R155 R155
C163 C163 NC/560R 1/10W 1% NC/560R 1/10W 1%
5
VSNS
NC/18N 50V NC/18N 50V
C165 C165
NC/12P 50V NC/12P 50V
R154 R154 R156 R156
NC/18 KOHM +-1% 1/10W NC/18 KOHM +-1% 1/10W
+18V_A
R159 R159
NC/3K3 1/10W 1% NC/3K3 1/10W 1%
R167 R167
NC/47KOHM +-5% 1/10W NC/47KOHM +-5% 1/10W R161 R161
NC/330KOHM +-5% 1/10W NC/330KOHM +-5% 1/10W
EN
Q155 Q155
2 NC/BC847C NC/BC847C
R165 R165
NC/82KOHM +-5% 1/10W NC/82KOHM +-5% 1/10W
R166 R166
2
C174 C174
Q152 Q152 NC/4U7 25V NC/4U7 25V
NC/BC847C NC/BC847C
18V_A TO PANEL_VCC
ONLY PnS MODEL
3 4
25
Meridian 1
5
PANEL_VCC_ON/OFF
5 PANEL_VCC_ON/OFF
OPWRSB
5 OPWRSB
+18V_A
6 +18V_A
CN150 B2 C113 C1
C151 A2 C152 C3
C153 A3 C154 C3
C155 A2 C156 D1
C157 C4 C158 B1
A
C159 A1 C160 B1
C161 A3 C162 A4
C163 C3 C164 A3
C165 C3 C166 A1
C167 C2 C168 A3
C169 A2 C170 C3
C171 C2 C172 C3
C173 B2 C174 D3
C175 B2 C177 B2
C178 B3 C179 B1
C180 C1 C182 B1
C183 B2 FB150 B1
FB151 B3 F150 B2
L150 C3 Q150 C2
Q151 D1 Q152 D3
Q153 B1 Q154 C1
Q155 D3 R151 A3
B
R152 A3 R153 C3
R154 C3 R155 C4
R156 C4 R157 C1
R158 D1 R159 C4
R160 C4 R161 C3
R162 A4 R163 A4
R164 C2 R165 D3
R166 D3 R167 C3
R168 C2 R169 B1
R170 C1 R171 B1
R172 B3 R173 B3
R174 B3 R175 A2
R176 B3 R177 B2
R178 B2 R179 B4
R180 B3 U151 A1
U152 A2 U153 A3
U154 A3 U155 C3
U157 B1 U158 B2 C
U159 B3 ZD150 C3
D
5