Philips 42PFL3704D/F7 - Block Diagrams and Schematics

9-1
BLOCK DIAGRAMS
System Control Block Diagram
A91H2BLS
AC18
KEY SWITCH
IC3301 (MAIN MICRO CONTROLLER)
DIGITAL MAIN CBA UNIT
IR SENSOR CBAFUNCTION CBA
INVERTER POWER CBA
JACK POWER CBA
WH302B
REMOTE
SENSOR
RS301
AL+3.3V
POWER
D302
WH302A WH301A
REMOTE22 P-ON-H155
CN202CN3702
CN3702 CN202
CLKOUT CLKIN
X3102
25MHz OSC
N1 N2
SCL SDA
9 8
TU101 (TUNER UNIT)
TO POWER SUPPLY 2 BLOCK DIAGRAM
PROTECT3
AE5
PROTECT1 AD5
KEY-IN1
AC5
BACKLIGHT-SW
AB16
P-ON-H2
AB13
REMOTE
R22
P-ON-H1
PROTECT1
R23
JUNCTION CBA
CN302
KEY-IN166
WH301B
CN1801
KEY-IN133
CN901
CN203
AB23
BACKLIGHT-ADJ
IC3101 (MEMORY)
SCK
SI
SO
AB25 AB24
AC25 AC24
6 5 2 1
E11
3
AC19
SCL
SDA
CN201CN3701
CS
WP
SCK SIN SOUT CS WP
TO POWER SUPPLY 1 BLOCK DIAGRAM
P-ON-H2 P-ON-H1
PROTECT3
BACKLIGHT-SW
BACKLIGHT-ADJ
28
28
SCL
27
27
SDA
10
10
PROTECT1
7
7
PROTECT3
23
23
BACKLIGHT-SW
25
25
BACKLIGHT-ADJ
KEY-IN133
P-ON-H188 REMOTE11 P-ON-H266
9
3
PROTECT3
8
4
BACKLIGHT-SW
7
5
BACKLIGHT-ADJ
P-ON-H139 P-ON-H248
REMOTE27 P-ON-H154 KEY-IN163
TO AUDIO BLOCK DIAGRAM
AUDIO-MUTE
AUDIO-MUTE
AB9