8-1
System Control Block Diagram
A03A0BLS
BLOCK DIAGRAMS
F24
IC3301
(MAIN MICR
O CONTR
OLLER)
DIGIT
AL MAIN CB
A UNIT
FUNCTION CB
A
PO
WER SUPPL
Y CB
A
CL104
REMO
TE
SENSOR
RS102
AL+3.3V
D104
PO
WER
ST
ANDBY
D105
AL+3.3V
P-ON+9V
PO
WER-LED
44
CL104
REMO
TE
22
ST
ANDBY
-LED
55
CN3703
CN403
XT
ALO
XT
ALI
X3101
54MHz
OSC
V26
V25
SCL
SD
A
8
9
TU1
(TUNER UNIT)
TO
INVER
TER
PO
WER
BLOCK
DIA
GRAM
(CN1951)
TO
PO
WER SUPPL
Y
BLOCK DIA
GRAM
PR
O
TECT3
W23
PR
O
TECT1
Y24
KEY
-IN
AA25
BA
CKLIGHT
-SW
D23
LED1
B16
P-ON-H2
A12
REMO
TE
AD11
P-ON-H1
PR
O
TECT1
P-ON-H2
P-ON-H1
AC
11
JUNCTION
CB
A
CN105
KEY
-IN1
66
CN453
CN101
CN403
Q181
CN3703
D16
BA
CKLIGHT
-ADJ
IC3101
(MEMOR
Y)
SCL
SD
A
AE4
AF3
6
5
IC3802
(A
UDIO SELECT
OR)
SCL
SD
A
27
28
F25
TUNER-CLK
TUNER-D
A
T
A
CN403
CN3703
CN402
CN3701
OSCL0
OSD
A0
23
23
SCL
22
22
SD
A
5
5
PR
O
TECT1
4
4
PR
O
TECT3
2
2
BA
CKLIGHT
-SW
1
1
BA
CKLIGHT
-ADJ
KEY
-IN1
11
11
P-ON-H1
11
REMO
TE
13
13
LED1
14
14
P-ON-H2
22
PO
WER-LED
34
REMO
TE
52
ST
ANDBY
-LED
25
KEY
-IN1
16
2
PR
O
TECT3
6
BA
CKLIGHT
-SW
4
BA
CKLIGHT
-ADJ
3
P-ON-H1
T
O
A
UDIO
BLOCK
DIA
GRAM
A
UDIO-MUTE
A
UDIO-MUTE
A15
T
O
VIDEO
BLOCK
DIA
GRAM
SCAR
T
-OUT
-SEL
SCAR
T
-OUT
-SEL
E16
Q182
KEY SWITCH
T
O
DIGIT
AL SIGNAL
PR
OCESS
BLOCK DIA
GRAM
OSD
A0
OSCL0