Philips 32PHT4001/60 Service Manual page 35

5
1.15V 2A for VDDC
1.15V
+5V_Standby
L104 L104
U105 SY8009B/2A U105 SY8009B/2A
4 3
VIN SW
D
C121 C121
R122 R122
1 6
EN FB
C128 C128 C129 C129
5
R1
NC
10uF 10uF 0.1uF 0.1uF R121 R121
R2
靠近DC-DC
Vout=0.6V*(1+R1/R2)
+5V_Normal
Inverter controler
R61 R61
1K 1K
BL-ADJUST 1K 1K R53 R53
3 BL-ADJUST
Q1 Q1
C77 C77 R51 R51
1
2.2uF/DC 2.2uF/DC 3904 3904
SAMSUNG panel 0~3.3V R34=10K
NC/10K NC/10K
LG/CMO/AU panel 0~5V,R34 NC
C
+5V_Normal
R56 R56
R43 R43
4.7K 4.7K
10K 10K
BL-ON/OFF
3 BL-ON/OFF
Q10 Q10
R59 R59 4.7K 4.7K
1
Q11 Q11
3904 3904
3904 3904
Power for panel
VCC_P
+12V
L111 L111
0805_BEAD/12V屏 0805_BEAD/12V屏 C74 C74 R41 R41 C75 C75
10K 10K
0.1uF 0.1uF 0.22uF 0.22uF
+5V_Standby
PANEL_ON
B
R60 R60
100K 100K
R44 R44
4.7K 4.7K
Q9 Q9
PANEL_ON/OFF R42 R42 4.7K 4.7K
1
5 PANEL_ON/OFF
R40 R40 3904 3904
10K/NC 10K/NC
H12 H12 H11 H11 H25 H25
5 9 5 9 5
4 8 4 8 4
3 7 3 7 3
2 6 2 6 2
NC NC NC NC NC NC
A
H26 H26 H24 H24 H23 H23 H20 H20 H29 H29
NC NC NC NC NC NC NC NC NC NC
Test Point & MARK
5
4
1.5V Normal Power for DDR3
MAX 2A
+1.15V_VDDC
3.3uH/2A 3.3uH/2A
AS1117-ADJ AS1117-ADJ
+5V_Normal
33pF 33pF C119 C119 C120 C120 C132 C132 C122 C122
12K/1% 12K/1% D103 D103
R32 R32
22uF 22uF 22uF 22uF 10uF 10uF 0.1uF 0.1uF
M7 M7
R1
13K/1% 13K/1% 靠近DC-DC
100R 100R
TUNER POWER
BRI_ADJ 5
4.7K 4.7K R52 R52
+3.3V_TU
C1029 C1029 C1025 C1025
10uF 10uF 0.1uF 0.1uF
"VBL_CTRL" IO口为高电平时，背光开。
"VBL_CTRL" IO口为低电平时，背光关。
R58 R58 4.7K 4.7K
1
VBL_CTRL 5
R57 R57 10K 10K
R168 10R R168 10R
+5V_Standby
Panel_VCC
Q12 Q12
ME2325 ME2325
1
+5V_IN
2
IR_IN
CA8 CA8
C76 C76
+ + 3
GND
0.1uF 0.1uF 100uF/16V 100uF/16V 4
LED
5
KEY0
6
KEY1
7
PWR
8
GND
8pin/2.0MM 8pin/2.0MM
CN104 CN104
H1 H1
9 5 9
8 4 8
7 3 7
6 2 6
NC NC
H17 H17 H19 H19 H28 H28 H27 H27 H30 H30
NC NC NC NC NC NC NC NC NC NC
SN2 SN2 SN SN
NC NC NC NC
4
3
U8 U8
+5V_Standby
+1.5V_DDR
C166 C166
R2
2.2uF 2.2uF
470R 470R
R38 R38
C70 C70 C131 C131 C127 C127
C69 C69 C68 C68 C78 C78
2.2uF 2.2uF 10uF 10uF 22uF 22uF +3.3V_STANDBY & +3.3V_NORMAL
0.1uF 0.1uF 2.2uF 2.2uF 0.1uF 0.1uF
Vout=1.25V*(1+R1/R2)
U1001 U1001
AS1117L-3.3 AS1117L-3.3
400mA
+3.3V_TU
+5V_TU +5V_Normal
C1033 C1033
C1034 C1034 C1035 C1035 C1036 C1036
10uF 10uF 0.1uF 0.1uF 1nF 1nF 1nF 1nF
C1026 C1026 C1027 C1027 C1028 C1028
10uF 10uF 0.1uF 0.1uF 10uF 10uF
Close to Tuner Si2151
R157 R157 IR-in R167 R167 100R 100R IRIN
C148 C148
+5V_Standby
10K 10K
33pF 33pF
0.1uF 0.1uF
R182 R182
C181 C181
R183 R183
2K 2K
4.7K 4.7K
R126 4.7K R126 4.7K
1
IR-in Q112 Q112
3904 3904
R159 R159 4.7K 4.7K
LED+ R155 R155 4.7K 4.7K
KEY0-in R171 R171 1K 1K
KEY1-in R142 R142 1K 1K
KEY_POWER R194 R194 1K 1K
ED14 ED14 ED13 ED13 C179 C179 C150 C150
0.1uF 0.1uF
IR&KEY Connector
C174 0.1uF C174 0.1uF 0.1pF 0.1pF 0.1pF 0.1pF 0.1uF 0.1uF
34
2
U114 U114
Imax=350mA
+3.3V_Standby +3.3V_Normal
AMS1117-3.3 AMS1117-3.3
3 2
VIN VOUT
4
VOUT
C168 C168
C71 C71 C130 C130
C169 C169
0.1uF 0.1uF 0.1uF 0.1uF 2.2uF 2.2uF 10uF 10uF
V_TU
100MHZ/300mA/600R 100MHZ/300mA/600R
FB1003 FB1003
C1037 C1037
1nF 1nF
IRIN 5
LED
LED 5
+3.3V_Standby
KEY_SAR0 5
KEY_SAR1 5
1
D
C
B
A