9-5
[TYPE B]
1. System Control Block Diagram
PL12.3BBLS
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
AB5
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
CN3601
PR
O
TECT3
RESET
P-ON-H2
KEY
-IN1
BA
CKLIGHT
-SW
LED1
LIGHT
-SENS
REMO
TE
BA
CKLIGHT
-ADJ
STM-SCL
STM-SD
A
SCL
SD
A
6
5
IC3103
(MEMOR
Y)
AE10
AD9
AE2
AB6
AE1
K25
G6
TU-SCL
TU-SD
A
SCL
SD
A
6
5
TU3001
(TUNER UNIT)
CN3105
Q3101
LED DRIVE
Q3102
B
U
FFER
IC3009
RESET
TO
PO
WER SUPPL
Y
BLOCK DIA
GRAM
RESET
P-ON-H2
PR
O
T
ECT3
BA
CKLIGHT
-SW
BA
CKLIGHT
-ADJ
PO
WER SUPPL
Y CB
A
CN501
P-ON-H2
77
KEY
-IN1
46
LIGHT
73
REMO
TE
55
LED1
64
RESET
88
PR
O
TECT3
44
BA
CKLIGHT
-SW
22
BA
CKLIGHT
-ADJ
33
CN4051
KEY SWITCH
IR SENSOR CB
A
FUNCTION CB
A
REMO
TE
SENSOR
RS4051
P-ON+5V
CN4001
D4051
PO
WER
KEY
-IN1
22
CN4052
LIGHT
SENSOR
IC4051