Philips 19PFL3504D/F7, Service Manual, Page: 35 / 124

9-1
BLOCK DIAGRAMS
System Control Block Diagram
A91N2BLS
AC
18
IC3301 (MAIN MICR
O CONTR
OLLER)
DIGIT
A
L MAIN CB
A UNIT
FUNCTION CB
A
IR SENSOR CB
A
MAIN CB
A
CL102B
REMO
TE
SENSOR
RS101
AL+3.3V
ST
ANDBY
D101
CL102A
CL103A
CL103B
REMO
TE
22
P-ON-H1
55
CN302
CN3702 CN3702
CN302
CLK
OUT
CLKIN
X3101
25MHz OSC
N1 N2
SCL SD
A
4 5
TU302
(TUNER UNIT)
TO INVER
TER
BLOCK DIA
GRAM
TO PO
WER SUPPL
Y
BLOCK DIA
GRAM
PR
O
TECT3
AE5
VCOM-PWM
AC
14
PR
O
TECT2
AD4
PR
O
TECT1
AD5
KEY
-IN1
AC
5
BA
CKLIGHT
-SW
AB16
E1 E2
P-ON-H2
AB13
REMO
TE
R22
P-ON-H1
PR
O
TECT2
PR
O
TECT1
P-ON-H2 P-ON-H1
R23
JUNCTION CB
A
CN101
KEY
-IN1
66
KEY SWITCH
CN102
CN301
Q172
CN3701
AB23
BA
CKLIGHT
-ADJ
IC3101
(MEMOR
Y)
SCK
SI
SO
AB25 AB24
AC
25
AC
24
6 5 2 1
E11
3
AC
19
SCL
SD
A
CN301
CN3701
CS
WP
SCK SIN SOUT CS WP
KEY
-IN1
33
IC201
,Q207,
Q208,Q209
DRIVE
22
22
SCL
21
21
SD
A
11
11
PR
O
TECT1
15
15
PR
O
TECT2
5
5
PR
O
TECT3
29
29
VCOM-PWM
26
26
BA
CKLIGHT
-SW
28
28
BA
CKLIGHT
-ADJ
KEY
-IN1
29
29
P-ON-H1
99 REMO
TE
25
25
P-ON-H2
11
REMO
TE
22
P-ON-H1
55 KEY
-IN1
66
T
O
A
U
DIO
BLOCK DIA
GRAM
A
U
DIO-MUTE
INPUT0 INPUT1
A
U
DIO-MUTE
INPUT0 INPUT1
AB9
PR
O
TECT3
BA
CKLIGHT
-SW
BA
CKLIGHT
-ADJ
VCOM