Philips PET831 Service Manual page 49

5
+5V_SYS
R70
R363 NC
0/J/0603
D
PWR_TUNER
R68
NC
PWR-TUNER Q11
B
NC
GND_POWER
+5V_SYS
C
R22
4.7K/J/0603
R33
1K/J/0603
AVIN-SW
Q8
B
PMBS3904
GND_POWER
B
LD[0..7]
(7,8) LD[0..7]
+3.3V_SYS
R493
4.7K/J/0603
LCS1
(7,8) LCS1
C37
10P/50V/0603
A
5
4
TP213
1
MU-TE
L:Active
H:OFF
AVIN_SW
AVIN_SW (11)
H:Active
L:OFF
+3.3V_SYS
U4
74HC374D
LD0
3 2
D0 Q0
LD1
4 5
D1 Q1
LD2
7 6
D2 Q2
PWR-TUNER
LD3
8 9
D3 Q3
AVIN-SW
LD4
13 12
D4 Q4
MU-TE
LD5
14 15
D5 Q5
LD6
17 16
D6 Q6
DVB-RST
LD7
18 19
D7 Q7
1
OC
R41 33/F/0603
11
CLK
GND_POWER
4
3
+5V_SYS
R21
R28 4.7K/J/0603
NC
IO_MUTE
R32 H:MUTE
1K/J/0603
L:ACTIVE
Q7
B
PMBS3904
GND_POWER
+5V_SYS
R20
4.7K/J/0603
DVB_RST
R31
1K/J/0603
DVB-RST
Q62
B
PMBS3904
GND_POWER
C29
0.1U/25V/0603
TP50
1
TP49
1
TP209
1
TP42
1
Title
Size
A
Date:
3
2
IO_MUTE (11)
TP214
1
L:RESET
H:NORMAL
EXT I/O
Document Number
WDR831
Thursday, December 13, 2007 Sheet
2
1
D
C
B
A
Rev
C
25 of 27
1