28
RX-V496/RX-V496RDS/HTR-5240/HTR-5240RDS
* Video input
Selector
Control
(H=High,
L=Low)
Video Input
SW1
SW2
SW3
(Pin4) (Pin5) (Pin6)
VCR
H
L
H
SAT/D-TV
H
H
L
DVD/LD
L
H
L
V-AUX
L
L
L
IC107 : BU2090
Serial Input/Parallel Output Driver for Output port expansion
P i n
P i n
P o r t
I / O
Function
N o .
N a m e
67 P05/FL21
P1
O Segment 1 for FL display
68 P04/FL20
P2
O Segment 2 for FL display
69 P03/FL19
P3
O Segment 3 for FL display
70 P02/FL18
P4
O Segment 4 for FL display
71 P01/FL17
P5
O Segment 5 for FL display
72 P00/FL16
P6
O Segment 6 for FL display
73 P57/FL15
P7
O Segment 7 for FL display
74 P56/FL14
P8
O Segment 8 for FL display
75 P55/FL13
P9
O Segment 9 for FL display
76 P54/FL12
P10
O Segment 10 for FL display
77 P53/FL11
P11
O Segment 11 for FL display
78 P52/FL10
P12
O Segment 12 for FL display
79 P51/FL09
P13
O Segment 13 for FL display
80 P50/FL08
P14
O Segment 14 for FL display
81 P67/FL07
P15
O Segment 15 for FL display
82 P66/FL06
P16
O Segment 16 for FL display
83 P65/FL05
P17
O Segment 17 for FL display
84 P64/FL04
P18
O Segment 18 for FL display
Pin
Pin
Port
I/O
Function
No.
Name
85 P63/FL03
P19
O Segment 19 for FL display
86 P62/FL02
P20
O Segment 20 for FL display
87 P61/FL01
P21
O Segment 21 for FL display
88 P60/FL00
P22
O Segment 22 for FL display
89
VEE
VP
O Power supply for FL display
90 P107/AN7
LIMDT
I
Limitter DC detect input
91 P106/AN6
PRV
I
PS (power voltage) protection
AD value detect input
92 P105/AN5
PRD
I
DC (power amp voltage) protection
AD value detect input
93 P104/AN4 METER
I
Tuner meter AD value input
94 P103/AN3
NC
O No connection
95 P102/AN2
/FMT
O Full mute output (L: ON)
96 P101/AN1
KEY2
I
Key 2 AD data value input
97
AVSS
MG
Ground
98
P100/AN0
KEY1
I
Key 1 AD data value input
99
VREF
+5M
Standard power supply for AD input
100
AVCC
+5BU
+5V power supply
Pin
Pin
Port
I/O
Function
No.
Name
1
VSS
VSS
Ground
2
DATA
DTB
I
Control data input
3
CLOVK
CKB
I
Control clock input
4
Q0
SW1
O Video select data
5
Q1
SW2
O output 1-3(*)
6
Q2
SW3
O
7
Q3
SW4
O Video select data Unconnected
8
Q4
SW5
O output 4,5
9
Q5
/CONT1
O Limitter control data output 1,2
10
Q6
/CONT2
O
11
Q7
/-10dB
O –10dB control data output
(L : –10dB)
12
Q8
6ch GAIN O 6-ch gain control data output (L:6-ch)
13
Q9
/C-MUTE
O Center mute data output (L:Mute on)
14
Q10
/SW-MUTE O Subwoofer mute data output (L:Mute on)
15
Q11
/T-MUTE
O Tuner mute data output (L : Mute on)
16
VDD
VDD
+5V power supply
2
1
3
4
5
6
7
8
15
16
14
12
12
11
10
9
VSS
DATA
CLOCK
Q0
Q1
Q2
Q3
Q4
VDD
Q11
Q10
Q9
Q8
Q7
Q6
Q5
OUTPUT B
UFFER
(OPEN DRAIN)
LA
TCH
CONTROL
LOGIC
12-Bit SHIFT REGISTER
(TOP VIEW)
IC501 : M30217MA-A202FP
16-bit Microcomputer
from
microcomputer
for
video input
selector