Philips 32PFL4606H/60 - Circuit Description

Circuit Descriptions
EN 30 TPM7.1E LA7.
2011-Aug-19
7.4 Circuit Description
7.4.1 System power
The main board power is received at connector CN701 from
power board, to receive the power and signals from the PSU.
See Table 7-1
for the correct pining, The shown test points in
Figure 7-4
.
Table 7-1 Connector CN701 overview
Figure 7-4 System power
7.4.2 Digital/Analogue power
The DVDD3V3 and AVDD3V3 are from U702 (G1084), it can
provide 5 A output current. FB7006 are for power
measurement. FB7006 also is for filtering.
Figure 7-5 Digital/Analogue power
7.4.3 Tuner power
The tuner power is derived from +12V by U752 (AS7805), the
power should not drop below 4.75 V for the Panasonic tuner,
but it can be 4.9V at least.
Figure 7-6 Tuner power
7.4.4 Core Power
The 1.1 V power is derived from TPS54418 for MT5395 core
power.
Figure 7-7 Core Power
Item Pin Description
1 1 INVERTER_ON_OFF, Inverter board
control (Low: ON, High: OFF)
2 2 BRIGHT_ADJ, Inverter bright PWM
control (Max.: 0 V, Min.: 3.3 V)
3 3, 4 +12 V Supply
4 5, 6, 7 Ground
5 8, 9 +24 V Supply
6 10 STANDBY, Standby
control (High: Normal, Low: Stand by)
7 11, 12 STB_PWR5V, +5 V SSB Supply
813 NA
19090_208_110422.eps
110422
Y B D N A T S
J D A _ T H G I R B
F F O _ N O _ R E T R E V N I
V 5 R W P _ B T S
V 2 1 +
V 4 2 +
T U P N I R E W O P C D
2 0 4 0 / D M S
1 0 7 N C
N N O C
1 0 7 N C
N N O C
1
2
3
4
5
6
7
8
9
0 1
1 1
2 1
3 1
TP704 TP704
2 0 7 R % 5 W 6 1 / 1 R 0 0 1 2 0 7 R % 5 W 6 1 / 1 R 0 0 1
TP707 TP707
1 0 7 R
W 8 / 1 % 5 - + M H O K 0 1
1 0 7 R
W 8 / 1 % 5 - + M H O K 0 1
TP706 TP706 TP705 TP705 TP703 TP703
1 0 7 C
V 0 1 U 2 2 / C N
1 0 7 C
V 0 1 U 2 2 / C N
TP701 TP701 TP702 TP702
19090_209_110422.eps
110422
W S _ V 5 +
3 3 V A
3 3 V D
0 3 7 C
V 0 1 F u 0 1 / C N
0 3 7 C
V 0 1 F u 0 1 / C N
f U 3 U T 3 3 - 4 8 0 1 G 2 0 7 U f U 3 U T 3 3 - 4 8 0 1 G 2 0 7 U
N I V
3
T U O V
2
GND
1
+
5 0 7 C
V 6 1 F U 0 0 1
+
5 0 7 C
V 6 1 F U 0 0 1
1 3 7 C
V 6 1 N 0 0 1
1 3 7 C
V 6 1 N 0 0 1
6 0 7 B F A m 0 0 0 3 / R 0 2 1 6 0 7 B F A m 0 0 0 3 / R 0 2 1
1 2
+
7 1 7 C
V 6 1 F U 0 0 1
+
7 1 7 C
V 6 1 F U 0 0 1
19090_210_110422.eps
110509
R E N U T _ V 5 +
V 2 1 +
75
7
C
V61 N001
75
7
C
V61 N001
6 5 7 R W
2 M H O 8
1 / C N 6 5 7 R W
2 M H O 8
1 / C N
+
0 6 7 C
V 0 1 F U 3 3
+
0 6 7 C
V 0 1 F U 3 3
8
5 7 C
V 6
1 F
N 0 3 3
8
5 7 C
V 6
1 F
N 0 3 3
+
100UF 16V
+
6 5 7 C
0 5 7 B F A m 0
0 0 2 / R 0 2 2
0 5 7 B F A m 0
0 0 2 / R 0 2 2
1 2
4 9 0 7 R
W 0
1 / 1 5 0 R 0
W 0
1 / 1 5 0 R 0
9 5 7 C
V 6 1 U 0 1
9 5 7 C
V 6 1 U 0 1
1 E - R T D 5 0 8 7 S A 2 5 7 U 1 E - R T D 5 0 8 7 S A 2 5 7 U
GND
2
T U O
3
NI
1
19090_211_110422.eps
110505
B S R W P
O
1
1 V D
B T S _ V
5
+
0
1
V D
2
0
4
0 / D M S
4 1 7 C
V 6
1 N 0
0
1
4 1 7 C
V 6
1 N 0
0
1
+
8 0
7
C
V
6
1 F U
0 3
3
+
8 0
7
C
V
6
1 F U
0 3
3
1 1 7
R
180K 1/10W 1%
1 1 7
R
180K 1/10W 1%
1
0
7 L
H U 5 .
1
1
0
7 L
H U 5 .
1
4
1 7
R
1K5 1/10W 5%
4
1 7
R
1K5 1/10W 5%
2
1
7
C
V 6
1 F u
0 1
2
1
7
C
V 6
1 F u
0 1
7
0
7
B
F
A
m
0
0
0
2 / R 0 2
2
7
0
7
B
F
A
m
0
0
0
2 / R 0 2
2
1
2
2 2 7 R
NC/10K 1/10W
2 2 7 R
NC/10K 1/10W
3
0 7 C
V
5 2 F
N
2 2
3
0 7 C
V
5 2 F
N
2 2
9
0
7
C
V 6 1 F U 1
9
0
7
C
V 6 1 F U 1
8 1 7 R
% 1 W 0
1
/ 1 K
3
3
8 1 7 R
% 1 W 0
1
/ 1 K
3
3
1
0
7
U
E
T R
8
1 4 4
5
S P
T
1
0
7
U
E
T R
8
1 4 4
5
S P
T
N
I
V
1
N I V
2
D
N G
3
D N G
4
D N G A
5
S N S
V
6
P M O C
7
K L C / T R
8
S S
9
H P
0 1
H P
1
1
H P
2 1
T O
O
B
3 1
D G R
W
P
4
1
N E
5
1
N I V
6
1
PwPd
17
0
1 7 C
V
6
1
N 0
0
1
0
1 7 C
V
6
1
N 0
0
1
2 1 7 R
% 1
W
0 1 / 1 5 K 1
2 1 7 R
% 1
W
0 1 / 1 5 K 1
3
1
7
C
V 0
5 F
n 0
1
3
1
7
C
V 0
5 F
n 0
1
3 0
7
B
F
A
m
0
0
0
2
/
R 0
2
2
1 2
3 1 7 R
% 1 W 0
1
/
1
K
2
1
3 1 7 R
% 1 W 0
1
/
1
K
2
1
9 0 7
R
% 5 W 6 1 / 1
7
K 4
9 0 7
R
% 5 W 6 1 / 1
7
K 4
9
1 7 R
NC/10K 1/10W
9
1 7 R
NC/10K 1/10W
1 1 7 C
V
6
1 N 0 0
1
1 1 7 C
V
6
1 N 0 0
1