Philips 40PFL4908/F7 - System Block Diagrams for Type B; Type B System Control Diagram

9-6
[TYPE B]
IC3001 (MAIN MICRO CONTROLLER)
DIGITAL MAIN CBA UNIT
XOUT XIN
X3101 24MHz OSC
TO VIDEO/AUDIO BLOCK DIAGRAM
AMP-MUTE
AMP-MUTE COMP-DET
COMP-DET
VGA-SCL
VGA-SCL
VGA-SDA
VGA-SDA
194 195
67
212 127 133 213
66
CN3009
USB(+) USB(-)
USB(+) USB(-)
USB JACK
TO LED BACKLIGHT DRIVE BLOCK DIAGRAM
TO POWER SUPPLY BLOCK DIAGRAM
RESET
P-ON-H2
CN3602 CN3602
PROTECT3
BACKLIGHT-SW
BACKLIGHT-ADJ
POWER SUPPLY CBA
CN501 CN501
PROTECT3
P-ON+3.3V
AL+3.3V
Q3605
Q3606
Q3103
P-ON-H2
STB-RESET
BACKLIGHT-SW
BACKLIGHT-ADJ
SPI-SCL
SPI-SDA
SCL SDA
6 5
(MEMORY)
206 134
75
129 216
126 125
TU-SCL TU-SDA
SCL
SDA
4 3
TU3901 (TUNER UNIT)
P-ON-H218 6 RESET20 4 PROTECT321 3 BACKLIGHT-SW
19 5
BACKLIGHT-ADJ
17 7
RESET
IC3009, Q3104
IC3006
199 200
215 210 205
208
KEY-IN1
LED1
REMOTE
78 79
SDA
SCL
CN3101
Q3501,Q3502
LED DRIVE
FUNCTION CBA UNIT
LIGHT
Q3010
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
PL13.13BBLS
1. System Control Block Diagram