28
CRX-E300
CRX-E300
No. Name Function
1 VSS
2 DATA 1
3 CLOCK 1
4 LATCH 1
5 TUNER MUTE Tuner Mute out [1: MUTE ON]
6 MUTE A Amp Mute out [0: MUTE ON]
7 LED LED
8NC
9 SPRLY Speaker Relay Out [0: ON, 1: OFF]
10 PRLY Power Relay Out [0: ON, 1: OFF]
11 V-DN Motor VR Down Out
12 V-UP Motor VR Up Out
13 4051 1/2 TC74HC4051A 1/2 Select Out [0: IN-2, 1: IN-1]
14 4051 2A TC74HC4051A Control A Out [pull-up required]
15 4051 2B TC74HC4051A Control B Out [pull-up required]
16 4051 2C TC74HC4051A Control C Out [pull-up required]
17 VSS
18 VDD
1
VSS
2
DATA 1
3
CLOCK 1
4
LATCH 1
5
TUNER MUTE
6
MUTE A
7
LED
8
NC
9
SPRLY
18
VDD
17
VSS
16
4051 2C
15
4051 2B
14
4051 2A
13
4051 1/2
12
V-UP
11
V-DN
10
PRLY
Control
Circuit
Output Buffer (Open Drain)
Latch
12 Bit Shift Register
■ IC DATA
IC301: BU2092 (INPUT P.C.B.)
Serial In / Parallel Out Driver
w
w
w
.
x
i
a
o
y
u
1
6
3
.
c
o
m
Q
Q
3
7
6
3
1
5
1
5
0
9
9
2
8
9
4
2
9
8
T
E
L
1
3
9
4
2
2
9
6
5
1
3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
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