Philips 19HFL3233D/10 Service Manual page 50

Circuit Diagrams and PWB Layouts
Power-2
Power-2
B02
+5V_STB to DV33SB
+5V_STB
U705 U705
3 2
VIN VOUT
C760 C760
1UF16V 1UF16V
+5V_SW to +5V_TUNER
+5V_SW
R766 R766
10K 1/16W 5% 10K 1/16W 5% U706 U706
TJ4220GDP-ADJ TJ4220GDP-ADJ
E-PAD
1
NC
2
EN ADJ/SENSE
3
VIN VOUT
4
NC
C752 C752
10uF 16V 10uF 16V C772 C772
10uF 16V 10uF 16V
OFF ON
TPM8.2E LA 10.
DV33 to AV12
DV33SB
DV33
FB751 FB751
220R/2000mA 220R/2000mA U704 U704
AZ1117D AZ1117D
C761 C761
1 2 3
VIN
10uF 16V 10uF 16V
C757 C757
1UF16V 1UF16V
C756 C756 + +
NC/22uF 16V NC/22uF 16V
+5V_TUNER
9
8
GND
7
6
R759 R759
5
NC
15K 1% 15K 1%
R760 R760
47K +-1% 1/16W 47K +-1% 1/16W
R761 R761
12K 1% 1/16W 12K 1% 1/16W
EN 50
AV12
2
VOUT
+ + C759 C759
22uF 16V 22uF 16V
R756 R756
120R 1% 1/10W 120R 1% 1/10W
R757 R757
1R 1/10W 5% 1R 1/10W 5%
PANEL_VCC
PANEL_VCC_ON/OFF 15K 1/16W 5% 15K 1/16W 5%
2011-Jun-01
PWR_12V
PWR_12V
+5V_STB
+5V_STB
+5V_SW
+5V_SW
+5V_TUNER
+5V_TUNER 14
DV33
DV33
DV33SB
DV33SB
AV12
AV12
PANEL_VCC
PANEL_VCC 12
GND
GND 4,6,7,8,9,10,11,12,13,14
GPIO Contrl
PANEL_VCC_ON/OFF
PANEL_VCC_ON/OFF
PWR_12V
R754 R754
NC/0R05 1/4W NC/0R05 1/4W
Q751 Q751
+5V_STB
AON4421 AON4421
8 1
D D
7 2
D D
R752 R752
6 3
D D
0R05 1/4W 0R05 1/4W
5 4
S G
C762 C762
10uF 16V 10uF 16V
R755 R755 C753 C753
33K 1/16W 5% 33K 1/16W 5% 4.7UF 10V 4.7UF 10V
R758 R758
R753 R753 2K2 1/16W 5% 2K2 1/16W 5%
0R05 1/16W 0R05 1/16W ON OFF
R751 R751
Q752 Q752
BC847C BC847C
R764 R764 C754 C754
NC/4.7UF 10V NC/4.7UF 10V
10K 1/16W 5% 10K 1/16W 5%
Power-2
B02
4
4,7
4,8,9,10,12,13
4,6,7,8,12,13
4,6,7,8,9
6,13
6
PANEL_VCC
1 2011-05-17
715G4796
19120_509_110518.eps
110518