Yamaha CRX-140 Service Manual page 53
Micro component system
speaker
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Also See for CRX-140:
- Owner's manual (136 pages) ,
- Service manual (100 pages) ,
- Owner's manual (26 pages)
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Function
Pin
Port Name
Name
No.
(P.C.B.)
67 P25/A5/AN25/INT7
P_SW
68 P24/A4/AN24/INT6
USB_IDD_DET
AW_TXRXSEL
69 P23/A3/AN23
AW_MODE
70 P22/A2/AN22
71 P21/A1/AN21
3.3D_PON
nAW_INT
72 P20/A0/AN20
AW_LINK
73 P17/D15/INT5
KEY0
74 P16/D14/INT4
(97 pin and share)
75 P15/D13/INT3
REMOTE
76 P14/D12
VOL_RB
77 P13/D11/TXD6/SDA6 EP_SDA
78 P12/D10/RXD6/SCL6 EP_SCL
79 P11/D9/CLK6
(reserved)
80 P10/D8/CTS6/RTS6
VOL_RA
81 P07/D7/AN07
(reserved)
82 P06/D6/AN06
nFL_CS
83 P05/D5/AN05
nFL_RST
nTUN_ST
84 P04/D4/AN04
nTUN_TUND
85 P03/D3/AN03
nTUN_CS
86 P02/D2/AN02
TUN_MUTE
87 P01/D1/AN01
88 P00/D0/AN00
IPD_PON
89 P107/AN7/KI3
(reserved)
90 P106/AN6/KI2
(reserved)
I/O
Power on SW of OPE circuit board
IRQ
IRQ
IRQ
0: Power on SW off
1: Power on SW pressed
Detection of USB current / This function is valid only in Standby and Sleep modes
and invalid when power is on.
IRQ
IRQ
IRQ
0: Leak current of USB connector not detected
1: Leak current of USB connector detected
O
O
O
Notification of mode setting (Setting executed in factory)
O
O
O
0: Rx
1: Tx
O
O
O
Unused
IO
IO
IO
O
O
O
O
O
O
Unused
I
I
I
O
O
O
Unused
AirWired INT_N/LINK signal
IRQ
IRQ
IRQ
0: LINK free
1: LINK at work
Detection of EJECT SW interrupt / As interrupt is possibly executed by other than
EJECT SW, check AD value at KEY0 of 97pin and make judgment by pressing
IRQ
IRQ
IRQ
EJECT SW.
0: Switch pressed
1: Switch off
IRQ
IRQ
IRQ
Remote controller light receiving unit signal
I
I
I
Rotary encoder B
Set to inpurt port (or output H) after entering Standby mode and completion of
I2C
I2C
I
writing,
Set to inpurt port (or output H) after entering Standby mode and completion of
I2C
I2C
I
writing,
O
O
O
I
I
I
Rotary encoder A
O
O
O
O
O
O
O
O
O
Tuner Stereo/Mono flag
I
I
I
I
I
I
Tuner tuned flag
I
I
I
I
I
I
O
O
O
O
O
O
O
O
O
O
O
O
ON/OFF control of +51 power DCDC
O
O
O
0: +51 output off
1: +51 on
O
O
O
O
O
O
CRX-040/CRX-140/NS-BP80
Detail of Function
U, T, K, A, G, L, V, J models
U, T, K, A, G, L, V, J models
U, T, K, A, G, L, V, J models
U, T, K, A, G, L, V, J models
CRX-040
CRX-140
CRX-040
CRX-140
CRX-040
CRX-140
CRX-040
CRX-140
B model
B model
B model
B model
53
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