Yamaha RX-V1800 Service Manual page 79
Av receiver/av amplifier
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Also See for RX-V1800:
- Owner's manual (841 pages) ,
- Owner's manual (565 pages) ,
- Owner's manual (160 pages)
Table of Contents
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Function Name
No.
Port Name
(P.C.B.)
57
Vss
58
P132
DTZEV
59
Vcc
60
P131
/CEZEV0
61
P130
/CEZEV1
62
P53/BCLK
63
P52/RD
64
P51/WRH
65
P50/WRL
66
P127
67
P126
68
P125
/FMTSW
69
P47/CS0
70
P46/CS1
71
P45/CS2
72
P44/CS3
73
P43/A19
74
Vcc
75
P42/A18
76
Vss
77
P41/A17
78
P40/A16
79
P37/A15
232PWR
80
P36/A14
81
P35/A13
82
P34/A12
83
P33/A11
84
P32/A10
85
P31/A9
86
P124
VPOWER
87
P123
88
P122
89
P121
90
P120
91
Vcc
92
P30/A8
93
Vss
94
AN27/P27/A7
/OSDCE
95
AN26/P26/A6
96
AN25/P25/A5
RSELDT1
97
AN24/P24/A4
RSELCK1
98
AN23/P23/A3
ISELDT1
99
AN22/P22/A2
ISELCK1
100
AN21/P21/A1
101
AN20/P20/A0
102
P17/D15/INT5
PSWDET
103
P16/D14/INT4
104
P15/D13/INT3
105
P14/D12
106
P13/D11
BT232C
107
P12/D10
108
P11/D9
109
P10/D8
110
P07/AN07/D7
111
P06/AN06/D6
112
P05/AN05/D5
/HPMT
I/O [OFF]
Vss
MCU
O
ZONE tone control IC serial transmission data (U, C, R, T, K, A, B, G, E, L models)
Vcc
MCU
O
ZONE tone control chip selector (U, C, R, T, K, A, B, G, E, L models)
O
/Z2MT
O
Zone2 mute control (U, C, R, T, K, A, B, G, E, L models)
/Z3MT
O
Zone3 mute control (U, C, R, T, K, A, B, G, E, L models)
/FMTF
O
Full mute FL/FR/SBL/SBR
-
O
/FMTS
O
Full mute SL/SR
/FMTC
O
Full mute Center
O
Full mute SWL/SWR/SW MONO
DTEV
O
E-VOLUME IC serial transmission data for MAIN ZONE (U, C, R, T, K, A, G, B,
E, L models)
CKEV
O
E-VOLUME IC serial transmission clock for MAIN ZONE (U, C, R, T, K, A, G,
B, E, L models)
/CEEV
O
E-VOLUME CE for MAIN, ZONE (U, C, R, T, K, A, G, B, E, L models)
CEA
O
Chip select output for JRC audio select IC
SDTA
O
Data output for JRC audio select IC
Vcc
MCU
SCKA
O
Clock output for JRC audio select IC
Vss
MCU
TRG2
O
DC trigger output2 (U, C, R, T, K, A, B, G, E, L models)
TRG1
O
DC trigger output1 (U, C, R, T, K, A, B, G, E, L models)
O
RS232C driver ON/OFF control
PRY
O
Power relay control
RYBL
O
Relay control for power control of power amplifier B
RYBM
O
Relay control for power control of power amplifier B
/CSEX
O
Chip select for extension IC
/ICEX
O
Reset for extension IC
iPWR
O
iPod power control
O
VIDEO power control
PRI
I
Electric current protection detect
SDTN
O
FL driver/OSD/ data output for extension IC/data output for RDS IC (G model)
SCKN
O
FL driver/OSD/ data output for extension IC/data output for RDS IC (G model)
EXDI
I
Data in for extension IC
MCU
VMT
O
Video output mute
MCU
O
OSD CE
iPAP
I
iPod accessory power detect
O
Rec out SW1 control (ROHM) data (U, C, R, T, K, A, B, G, E, L models)
O
Rec out SW1 control (ROHM) clock
O
Rec out SW1 control (ROHM) data, clock speed: 20us
O
Rec out SW1 control (ROHM) clock
/ICFL
O
FL driver initial clear
CEF2
O
FL enable2
IRQ
Main, Zone2, 3 power key interrupt
MSW
IRQ
Master SW (push lock SW)
REM2
IRQ
Remote control pulse input 2, remote control pulse input for Zone (U, C, R, T,
K, A, B, G, E, L models)
CEF1
O
FL enable1
I
RS232C Flash write mode detect
/ICTIO
O
Tl#0 initial clear
ISA
I
Input selector rotary A
ISB
I
Input selector rotary B
PSW2
I
INT5: PSW input after logic Key identification
PSW1
I
INT5: PSW input after logic Key identification
SPC
O
+5SPC power ON/OFF control (L-ON/H-OFF: to reduce stand-by power)
O
Headphone mute control
RX-V1800/HTR-6190/DSP-AX1800
Detail of Function
79
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