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9-5
[TYPE B]
1. System Control Block Diagram
PL12.4BBLS
IC3101
IC3902
(MAIN MICR
O CONTR
OLLER)
DIGIT
AL MAIN CB
A UNIT
AXO
AXI
X3101
24.576MHz
OSC
T
O
VIDEO/A
UDIO
BLOCK DIA
GRAM
AMP-MUTE
AMP-MUTE
V
GA-SCL
V
G
A-SCL
V
G
A-SD
A
V
G
A-SD
A
AD1
AA3
AB2
W4
W5
U26
U25
Y3
V6
Y4
Y2
AF3
Y20
COMP-DET
COMP-DET
P1
AC
5
AF2
Y23
W23
AE4
AA20
V23
LCD-P-ON
LCD-P-ON
V20
AE3
RESET
HUB-RESET
RMII-RXD0
RMII-TXD0
RMII-TXD1
RMII-TXD2
RMII-TXD3
RMII-RXD1
RMII-RXD2
RMII-RXD3
(ETHERNET I/F)
ETHERNET
I/F
1
2
4
5
43
42
29
16
17
14
18
23
24
25
26
CN3705
CN3706
USB0(-)
TD(-)
USB0(+)
USB0(-)
USB0(+)
TD(+)
RD(-)
RD(+)
ETHERNET
JA
C
K
XO
XI
X3701
25MHz
OSC
V25
U24
USB J
A
CK
CN3704
USB1(-)
USB1(+)
USB1(-)
USB1(+)
WIRELESS
LAN
AD
APT
OR
TO
PO
WER SUPPL
Y
BLOCK DIA
GRAM
RESET
P-ON-H2
CN3601
P-ON-H1
PR
O
TECT3
BA
CKLIGHT
-SW
BA
CKLIGHT
-ADJ
FUNCTION CB
A
PO
WER SUPPL
Y CB
A
CN701
PR
O
TECT3
RESET
P-ON-H2
KEY
-IN1
BA
CKLIGHT
-SW
LED1
REMO
TE
BA
CKLIGHT
-ADJ
STM-SCL
STM-SD
A
IC4001
(T
OUCH SENSOR)
PO
WER
SOURCE
MENU
16
17
18
19
4
5
13
12
CH UP
CH DO
WN
VO
L
U
P
21
22
23
VO
L
D
O
W
N
PO
WER
SOURCE
MENU
CH UP
CH DO
WN
VO
L
U
P
VO
L
D
O
W
N
SCL
SD
A
VO
L
D
O
W
N
VO
L
U
P
11
6
3
2
CH DO
WN
CH UP
MENU
SOURCE
1
PO
WER
SCL
SD
A
6
5
IC3103
(MEMOR
Y)
REMO
TE
SENSOR
RS4051
P-ON+5V
D4051
PO
WER
AE10
AD9
AE2
AB6
AE1
K25
G6
P-ON-H1
V22
TU-SCL
TU-SD
A
SCL
SD
A
6
5
TU3001
(TUNER UNIT)
P-ON-H2
77
P-ON-H1
66
KEY
-IN1
46
SD
A
19
SCL
28
CN3105
CN4001
REMO
TE
55
LED1
64
RESET
88
PR
O
TECT3
44
BA
CKLIGHT
-SW
22
BA
CKLIGHT
-ADJ
33
Q3101
LED DRIVE
IC3009
RESET
LIGHT
-SENS
LIGHT
SENSOR
IC4051
LIGHT
73
Q3102
B
U
FFER
AB5