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
8
NC
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
www. xiaoyu163. com
QQ 376315150
9
9
2
8
9
4
2
9
8
TEL 13942296513
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