Philips 22PFL4505D/F7 - Block Diagrams

9-1
BLOCK DIAGRAMS
System Control Block Diagram
PL10.10BLS
MAIN CBA
CN302
CN302
TO LED BACKLIGHT DRIVE BLOCK DIAGRAM
TO POWER SUPPLY BLOCK DIAGRAM
PROTECT1
P-ON-H2 P-ON-H1
CN102 CN101
CN301
CN301
PROTECT3
BACKLIGHT-SW
BACKLIGHT-ADJ
KEY SWITCH
IR SENSOR CBA FUNCTION CBA
CN2107 CN210B
REMOTE
SENSOR
LIGHT
SENSOR
RS2101
P-ON+5V
D2102
D2103
POWER
LED155 REMOTE22 LIGHT77 KEY-IN122
Q171
K3
IC3301
(MAIN MICRO CONTROLLER)
DIGITAL MAIN CBA UNIT
CN3702
Q3704
CN3702
CLKOUT-25M CLKIN-25M
X3101
25MHz OSC
U1
V1
CLKOUT-32K CLKIN-32K
X3102
32.768kHz OSC
N2 N1
PROTECT3
M2
PROTECT1 L2
KEY-IN1
L1
BACKLIGHT-SW E19
LED-R
G19 G20
P-ON-H2
U3
REMOTE
T1
P-ON-H1
P2 P3
CN3701
C22BACKLIGHT-ADJ
IC3101 (MEMORY)
SCK
SI
SO
K22
L19 L20
K21
6 5 2 1
F213
K4
SCL1
SDA1
CN3701
CS
WP
SCK SIN SOUT CS WP
LIGHT-SENS
M3
VCOM-PWM M4
22
22
SCL
29
29
VCOM-PWM
21
21
SDA
11
11
PROTECT1
5
5
PROTECT3
26
26
BACKLIGHT-SW
28
28
BACKLIGHT-ADJ
KEY-IN129 29 LIGHT11
P-ON-H199 LED-R13 13
REMOTE25 25
P-ON-H211
TO AUDIO BLOCK DIAGRAM
AUDIO-MUTE INPUT0 INPUT1
AUDIO-MUTE INPUT0 INPUT1
P5
BUFFER
IC202,Q211, Q212,Q213
DRIVE
VCOM
SCL SDA
8 7
TU301 (TUNER UNIT)
SCL SDA
4 5
TU301 (TUNER UNIT)
Either TU301 is used for Main CBA.
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