7-1
System Control Block Diagram
L4101BLS
BLOCK DIAGRAMS
KEY
-IN-1
44
CN31B
KEY
-IN-2
33
RCV30
REMO
TE
SENSOR
CN31A
FUNCTION CB
A
KEY
-IN-1
44
CN51A
KEY
-IN-2
33
IR SENSOR CB
A
CLN53
RCV51
D51
RCV
-IN
33
REMO
TE
SENSOR
IC151
(MICR
O CONPUTER)
93
10
52
89
59
22
KEY
-IN-1
44
CN103B
CN103A
RCV
-IN
11
BA
CKLIGHT
-SW
33
BA
CKLIGHT
-ADJ
22
P-ON-H
66
PR
O
TECT
-1
13
13
PR
O
TECT
-2
14
14
V
OLUME
77
A-MUTE(NU)
88
INPUT
-0
99
INPUT
-1
10
10
S-SW
15
15
SCL
18
18
SD
A
19
19
16
KEY
-IN-1
RCV
-IN
RESET
P-ON-H
PR
O
TECT
-1
PR
O
TECT
-2
V
OLUME
SD
A
SCL
INPUT
-0
INPUT
-1
S-SW
SCL
SD
A
88
24
77
46
27
78
45
28
13
11
X151
10MHz
XIN
XOUT
T
O
PO
WER SUPPL
Y
BLOCK DIA
GRAM
T
O
A
UDIO
BLOCK DIA
GRAM
BA
CKLIGHT
-SW
BA
CKLIGHT
-ADJ
P-ON-H
PR
O
TECT
-1
PR
O
TECT
-2
V
OLUME
A-MUTE
INPUT
-0
INPUT
-1
S-SW
SCL
SD
A
MAIN CB
A
LCD MAIN CB
A UNIT
92
KEY
-IN-2
55
KEY
-IN-2
CN51
CN53
RESET
IC153
4
AL+5V
CN102B
CN102A
EEP-SD
A
2
EEP-SCL
1
B
US-OPEN
4
CN105
(NO CONNECTION)
IC152
(MEMOR
Y)
SCL
6
SD
A
5
7
WP
26
B
US-OPEN(NU)
AL+5V
AL+5V
CN105 IS
USED FOR
ADJUSTMENT
AT FACTORY
SCLK
3
BU
S
Y
2
RXD
4
CN104
(NO CONNECTION)
EPM(NU)
6
CE(NU)
5
CNVSS
9
RESET
8
TXD
10
D
VP-SOUT
D
VP-CS
D
VP-SIN
MPSEL-0
D
VP-CLK
D
VP-RESET
-PC
QH
FBIN
B
US-OPEN
2
D
VP-RESET
-PC
8
D
VP-CLK-PC
5
CN301
(NO CONNECTION)
D
VP-SOUT
-PC
6
D
VP-SIN-PC
7
D
VP-CS-PC
4
MPSEL-0
3
Q156
3.3V<-->5V
CONVER
TER
Q155
3.3V<-->5V
CONVER
TER
Q152
3.3V<-->5V
CONVER
TER
Q154
3.3V<-->5V
CONVER
TER
Q153
3.3V<-->5V
CONVER
TER
REG+3.3V
2
5
19
2D
VP-SOUT
2D
VP-CS
2D
VP-CLK
4
2D
VP-SIN
3
79
H-SYNK
2D
VP-RESET
30
39
31
44
32
91
90
7
56
29
AFT
-IN
11
11
P-ON-H2
22
22
AFT
-IN
P-ON-H2
PR
O
TECT
-3
PR
O
TECT
-3
16
16
B
US-OPEN(NU)
20
20
23
SLO
W
-SW
19
19
SP-MUTE
20
20
FBIN
25
25
1
SLO
W
-SW
-IN
SP-MUTE
84
INSEL-MUTE
87
RAPID-SW
18
18
RAPID-SW
-IN
20
83
85
25
58
INSEL-MUTE
17
17
P-ON-L(NU)
24
24
RGB-CONTR
OL(NU)
26
26
P-25V
-ON
23
23
NICAM-RESET
22
22
P-ON-L(NU)
RGB-CONTR
OL(NU)
P-25V
-ON
SC-VIDEO-MUTE
NICAM-RESET
S/C-J
ACK-MUTE
16
16
33
34
EEP-SCL
EEP-SD
A
S/C-J
A
CK-MUTE
PR
O
TECT
-3
P-ON-H2
SP-MUTE
INSEL-MUTE
NICAM-RESET
FBIN
RAPID-SW
SLO
W
-SW
S/C-J
A
CK-MUTE
T
O
IF/VIDEO
BLOCK DIA
GRAM
AFT
-IN
B
U
SY
-FLASH
SCLK-FLASH
RXD-FLASH
CE-FLASH(NU)
EPM-FLASH(NU)
CNVSS
TXD-FLASH
IC301
(LCD DRIVE /
SIGNAL PR
OCESS)
58
50
60
57
59
83
89
7
RCV
-IN
77
KEY SWITCH
KEY SWITCH
KEY SWITCH
KEY SWITCH
P-25V
-ON
5
D30
ST
AND BY
AL+5V
INVER
TER CB
A
CN1401
BA
CKLIGHT
-SW
10
10
BA
CKLIGHT
-ADJ
11
11
CN405
PR
O
TECT
-1
12
12
P-ON-H
13
13
T
O
LCD BA
CKLIGHT
BLOCK DIA
GRAM (B)
B
A
FUNCTION CB
A
BA
CKLIGHT
-ADJ
BA
CKLIGHT
-SW
PR
O
TECT
-1
T
O
LCD BA
CKLIGHT
BLOCK DIA
GRAM (A)
BA
CKLIGHT
-SW
BA
CKLIGHT
-ADJ
PR
O
TECT
-1
P-ON-H
A
Comparison Char
t of
Models & Marks
Model
Mark
LCD-B1504
LCD-B2004
A
B
ST
AND BY