Philips 22PFL4507/F7 - Block Diagrams [TYPE A]

9-1
TO LED BACKLIGHT DRIVE BLOCK DIAGRAM
TO POWER SUPPLY BLOCK DIAGRAM
RESET
P-ON-H2
CN3701 CN3701
Q3006
Q3005
PROTECT3
BACKLIGHT-SW
BACKLIGHT-ADJ
FUNCTION CBA
POWER SUPPLY CBA
CN631 CN631
AL+3.3V
R12
IC3005 (MAIN MICRO CONTROLLER)
DIGITAL MAIN CBA UNIT
XOUT25 XIN25
X3001
25MHz OSC
H15 H16
PROTECT3
B13
RESET J15
KEY-IN1
A15
BACKLIGHT-SW E2
LED1
D14
P-ON-H2
B16
REMOTE
C14
F3BACKLIGHT-ADJ
IC3006 (MEMORY)
SCK
SI
SO
T11
P11
R11
P12
6 5 2 1
T12
SCL
SDA
CS
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
SCK SIN SOUT CS
TO VIDEO/AUDIO BLOCK DIAGRAM
TO VIDEO/AUDIO BLOCK DIAGRAM
AUDIO-MUTE
AUDIO-MUTE
C1
SCL SDA
4 3
TU3901 (TUNER UNIT)
REMOTE
SENSOR
RS4051
AL+3.3V
D4051 POWER
P-ON-H2717 KEY-IN146 SDA19 SCL28
CN3101 CN4001
REMOTE55 LED164 RESET816 PROTECT3420 BACKLIGHT-SW
222
BACKLIGHT-ADJ
321
Q3501, Q3502
LED DRIVE
IC3009
RESET
BACKLIGHT-SW
G14
F14
VGA-SDA VGA-SCL
VGA-SDA VGA-SCL
BLOCK DIAGRAMS
PL12.0ABLS
1. System Control Block Diagram
[TYPE A]