82
RX-V681/RX-A760
RX-V681/RX-A7
60
IC79, 81:
TC74VHC273FT (EL,K) (DIGITAL (1) P.C.B.)
Octal D-type flip-flop with clear
IC79
Pin
No.
Port Name
Function Name
I/O
Detail of Function
Related Power Supply
OFF ON
2
D[8]
HRTX_N_RST
HDMI_PON
O
O
HDMI receiver/transmitter reset
5
D[9]
HDIN_HPD1
HDMI_PON
O
O
FL 3.3V power supply control
6
D[10]
HDIN_HPD2
HDMI_PON
O
O
FLD reset
9
D[11]
HDIN_HPD3
HDMI_PON
O
O
HDMI transmitter sound select
12 D[12]
HDMI_PON
HDMI_PON
O
O
HDMI power supply (Necessary for DSP, A-VIDEO drive)
15 D[13]
HSW_N_RST
HDMI_PON
O
O
HDMI switcher reset (L period: more than 5ms)
16 D[14]
HSW_PON
HSW_PON
O
O
HDMI to DIR sound output enable
19 D[15]
-
AC
O
O
No used
IC81
Pin
No.
Port Name
Function Name
I/O
Detail of Function
Related Power Supply
OFF ON
2
D[0]
DIAG_CHECK
AC
O
O
Diag check result output
5
D[1]
+3.3D_PON
+3.3D_PON
O
O
OR of NCPU_PON, DSP_PON
6
D[2]
TUN_N_RST
PRY
O
O
Tuner reset
9
D[3]
PRY
PRY
O
O
Power relay
12 D[4]
---
AC
O
O
No used
15 D[5]
PA_B_RY
PRY
O
O
Power amplifier B power supply control
16 D[6]
PD_LED
PRY
O
O
Pure direct LED
19 D[7]
DIR_N_RST
DSP_PON
O
O
DIR reset
1
CLR
Q1
Q2
Q3
Q4
GND
D1
D2
D3
D4
2
3
4
5
6
7
8
9
10
20 VCC
Q8
Q7
Q6
Q5
CK
D8
D7
D6
D5
19
18
17
16
15
14
13
12
11
D
CK
CLR
L
H
H
H
X
X
L
H
X
Q
L
L
H
Qn
Inputs
Output
Function
Clear
−
−
No Change
1
11
3
2
D R
CK Q
D1
Q1
CLR
CK
4
5
D R
CK Q
D2
Q2
7
6
D R
CK Q
D3
Q3
8
9
D R
CK Q
D4
Q4
13
12
D R
CK Q
D5
Q5
14
15
D R
CK Q
D6
Q6
17
16
D R
CK Q
D7
Q7
18
19
D R
CK Q
D8
Q8
Summary of Contents for RX-A760
Page 3: ...3 RX V681 RX A760 RX V681 RX A760 FRONT PANELS RX V681 RX A760 ...
Page 5: ...5 RX V681 RX A760 RX V681 RX A760 RX V681 T model RX V681 A model RX V681 B G models ...
Page 6: ...6 RX V681 RX A760 RX V681 RX A760 RX V681 F model RX V681 L model RX V681 H model ...
Page 7: ...7 RX V681 RX A760 RX V681 RX A760 RX V681 V model RX A760 U C models RX A760 R model ...
Page 8: ...8 RX V681 RX A760 RX V681 RX A760 RX A760 T model RX A760 A model RX A760 G F models ...
Page 9: ...9 RX V681 RX A760 RX V681 RX A760 RX A760 L model ...
Page 10: ...10 RX V681 RX A760 RX V681 RX A760 REMOTE CONTROL PANEL RAV537 Remote control sheet T model ...
Page 157: ...158 RX V681 RX A760 MEMO MEMO ...
Page 170: ...AV RECEIVER RX V681 RX A760 ...
