Philips 40PFL4908/F7 - System Block Diagrams for Type A; Type A System Control 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
CN3105
RESET44 PROTECT333 BACKLIGHT-SW
55
BACKLIGHT-ADJ
77
Q3101
LED DRIVE
RESET
IC3601
IC3103
U3
U1
T3
V3
AC2 AC1
FUNCTION CBA UNIT
LIGHT
Q3102
BUFFER
LIGHT
SENSOR
IC4051
IC4001 (TOUCH SENSOR)
POWER SOURCE MENU
16 17 18 19
4 5
13 12
CH UP CH DOWN VOL UP
21 22 23
VOL DOWN
POWER
SOURCE
MENU
CH UP
CH DOWN
VOL UP
VOL DOWN
SCL SDA
VOL DOWN VOL UP
11
6 3 2
CH DOWN CH UP MENU SOURCE
1 POWER
REMOTE
SENSOR
RS4051
P-ON+5V
D4051 POWER
KEY-IN146 SDA19 SCL28
CN4001
REMOTE55 LED164 LIGHT73
BLOCK DIAGRAMS
PL13.13ABLS
1. System Control Block Diagram
[TYPE A]