Philips 50PFL4909/F7 - Block Diagrams; System Control Block Diagram

9-1
IC3101 (MAIN MICRO CONTROLLER)
DIGITAL MAIN CBA UNIT
AXO AXI
X3101 25MHz OSC
TO VIDEO/AUDIO BLOCK DIAGRAM
LCD-P-ON
LCD-P-ON COMP-DET HP-DET
COMP-DET
VGA-SCL
VGA-SCL
VGA-SDA
VGA-SDA
AD6
AE6
M24
N22
AC7 AC8
AE4
AA16
Y7
W2
H6
HP-DET
L2
AD3
AD4
CN3704
CN3706
USB0(-)
TX(-)
USB0(+)
USB0(-) USB0(+)
TX(+) RX(-) RX(+)
TX(-) TX(+) RX(-) RX(+)
ETHERNET JACK
USB JACK
L23
M22
CN3701
USB1(-) USB1(+)
USB1(-) USB1(+)
WIRELESS LAN MODULE
TO LED BACKLIGHT DRIVE BLOCK DIAGRAM
TO POWER SUPPLY BLOCK DIAGRAM
RESET
P-ON-H2
CN3601 CN3601
PROTECT3
BACKLIGHT-SW
BACKLIGHT-ADJ
POWER SUPPLY CBA
CN501 CN501
PROTECT3
P-ON-H2
STB-RESET
KEY-IN1
BACKLIGHT-SW
LED1
REMOTE
BACKLIGHT-ADJ
STM-SCL
STM-SDA
SCL SDA
6 5
(MEMORY)
Y2
T2
W3
P7
AD5
Y15
TU-SCL TU-SDA
SCL
SDA
4 3
TU3001 (TUNER UNIT)
P-ON-H266
KEY-IN146
CN3105
REMOTE55 LED164
RESET44 PROTECT333 BACKLIGHT-SW
55
BACKLIGHT-ADJ
77
Q3101
LED DRIVE
RESET
IC3601
IC3103
U3 U1
T3
V3
AC2 AC1
LIGHT-SENS
LIGHT73
Q3102
BUFFER
CN4051
KEY SWITCH
IR SENSOR CBA UNIT
FUNCTION CBA UNIT
REMOTE
SENSOR
RS4051
P-ON+5V
CN4001
D4051 POWER
KEY-IN122
CN4052
LIGHT
SENSOR
IC4051
BLOCK DIAGRAMS
PL14.24BLS
1. System Control Block Diagram