Philips 43PFL4901/F7 - Block Diagrams

9-1
BLOCK DIAGRAMS
1. System Control Block Diagram
IC3102 (MAIN MICRO CONTROLLER)
DIGITAL MAIN CBA UNIT
XOUT XIN
X3101 24MHz OSC
TO VIDEO/AUDIO BLOCK DIAGRAM
AMP-MUTE VGA-SDA
AMP-MUTE COMP-DET
VGA-SDA
VGA-SCL
VGA-SCL
COMP-DET
146 147
52
140 125
170 169
53
CN3009
USB1(+) USB1(-)
USB1(+) USB1(-)
USB JACK
AL+3.3V
Q3102
Q3103
P-ON-H2
CPU-RESET
BACKLIGHT-SW
BACKLIGHT-ADJ
162 129
89
171
87 88
TU-SCL TU-SDA
SCL
SDA
3 2
IC9001
(SILICON TUNER)
RESET
IC3205, Q3201
REMOTE
165
KEY-IN1
173
LED1
Q3502
LED DRIVE
172 175
LIGHT
Q3501
BUFFER
KEY-IN146
REMOTE55
LED164
LIGHT73
CN3501
PROTECT3
AL+3.3V
Q3101
127
152 151 150 149
CN3703
TD(-) TD(+) RD(-) RD(+)
TD(-) TD(+) RD(-) RD(+)
ETHERNET JACK
71 70
CN3701
USB2(-) USB2(+)
USB2(-) USB2(+)
WIRELESS LAN MODULE
RESET
P-ON-H2
CN501 CN501
P-ON-H266 RESET44
CN3601 CN3601
55
BACKLIGHT-SW
77
BACKLIGHT-ADJ
33
PROTECT3
BACKLIGHT-SW
BACKLIGHT-ADJ
PROTECT3
TO LED BACKLIGHT DRIVE BLOCK DIAGRAM TO POWER SUPPLY BLOCK DIAGRAM
POWER SUPPLY CBA
RS4051
P-ON+5V
D4051
CN4052
LIGHT
SENSOR
IC4051
CN4051
KEY SWITCH
CN4001
REMOTE SENSOR
IR SENSOR CBA UNIT
FUNCTION CBA UNIT
22KEY-IN1
POWER
PL15.13BLS