Yamaha DSP-AX1800, Service Manual

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79
RX-V1800/HTR-6190/DSP-AX1800
RX-V1800/HTR-6190/
DSP-AX1800
No. Port Name
Function Name
I/O [OFF] Detail of Function
(P.C.B.)
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
ZONE tone control IC serial transmission data (U, C, R, T, K, A, B, G, E, L models)
ZONE tone control chip selector (U, C, R, T, K, A, B, G, E, L models)
Zone2 mute control (U, C, R, T, K, A, B, G, E, L models)
Zone3 mute control (U, C, R, T, K, A, B, G, E, L models)
Full mute FL/FR/SBL/SBR
Full mute SL/SR
Full mute Center
Full mute SWL/SWR/SW MONO
E-VOLUME IC serial transmission data for MAIN ZONE (U, C, R, T, K, A, G, B,
E, L models)
E-VOLUME IC serial transmission clock for MAIN ZONE (U, C, R, T, K, A, G,
B, E, L models)
E-VOLUME CE for MAIN, ZONE (U, C, R, T, K, A, G, B, E, L models)
Chip select output for JRC audio select IC
Data output for JRC audio select IC
Clock output for JRC audio select IC
DC trigger output2 (U, C, R, T, K, A, B, G, E, L models)
DC trigger output1 (U, C, R, T, K, A, B, G, E, L models)
RS232C driver ON/OFF control
Power relay control
Relay control for power control of power amplifier B
Relay control for power control of power amplifier B
Chip select for extension IC
Reset for extension IC
iPod power control
VIDEO power control
Electric current protection detect
FL driver/OSD/ data output for extension IC/data output for RDS IC (G model)
FL driver/OSD/ data output for extension IC/data output for RDS IC (G model)
Data in for extension IC
Video output mute
OSD CE
iPod accessory power detect
Rec out SW1 control (ROHM) data (U, C, R, T, K, A, B, G, E, L models)
Rec out SW1 control (ROHM) clock
Rec out SW1 control (ROHM) data, clock speed: 20us
Rec out SW1 control (ROHM) clock
FL driver initial clear
FL enable2
Main, Zone2, 3 power key interrupt
Master SW (push lock SW)
Remote control pulse input 2, remote control pulse input for Zone (U, C, R, T,
K, A, B, G, E, L models)
FL enable1
RS232C Flash write mode detect
Tl#0 initial clear
Input selector rotary A
Input selector rotary B
INT5: PSW input after logic Key identification
INT5: PSW input after logic Key identification
+5SPC power ON/OFF control (L-ON/H-OFF: to reduce stand-by power)
Headphone mute control
Vss
P132
Vcc
P131
P130
P53/BCLK
P52/RD
P51/WRH
P50/WRL
P127
P126
P125
P47/CS0
P46/CS1
P45/CS2
P44/CS3
P43/A19
Vcc
P42/A18
Vss
P41/A17
P40/A16
P37/A15
P36/A14
P35/A13
P34/A12
P33/A11
P32/A10
P31/A9
P124
P123
P122
P121
P120
Vcc
P30/A8
Vss
AN27/P27/A7
AN26/P26/A6
AN25/P25/A5
AN24/P24/A4
AN23/P23/A3
AN22/P22/A2
AN21/P21/A1
AN20/P20/A0
P17/D15/INT5
P16/D14/INT4
P15/D13/INT3
P14/D12
P13/D11
P12/D10
P11/D9
P10/D8
P07/AN07/D7
P06/AN06/D6
P05/AN05/D5
Vss
DTZEV
Vcc
/CEZEV0
/CEZEV1
/Z2MT
/Z3MT
/FMTF
-
/FMTS
/FMTC
/FMTSW
DTEV
CKEV
/CEEV
CEA
SDTA
Vcc
SCKA
Vss
TRG2
TRG1
232PWR
PRY
RYBL
RYBM
/CSEX
/ICEX
iPWR
VPOWER
PRI
SDTN
SCKN
EXDI
VMT
/OSDCE
iPAP
RSELDT1
RSELCK1
ISELDT1
ISELCK1
/ICFL
CEF2
PSWDET
MSW
REM2
CEF1
BT232C
/ICTIO
ISA
ISB
PSW2
PSW1
SPC
/HPMT
MCU
O
MCU
O
O
O
O
O
O
O
O
O
O
O
O
O
O
MCU
O
MCU
O
O
O
O
O
O
O
O
O
O
I
O
O
I
MCU
O
MCU
O
I
O
O
O
O
O
O
IRQ
IRQ
IRQ
O
I
O
I
I
I
I
O
O