Yamaha RX-V800RDS Panduan Servis - Halaman 31

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Halaman Cetak
IC526 : M30802SGP
Pin Description
No.
Port No.
Function name
1
P96
TXDR
2
P95
RTS
3
P94
CTS
4
P93
FAN
5
P92
SDTN
6
P91
RXRDS
7
P90
SCKN
8
P146
E/I
9
P145
CEBU
10
P144
/FLR
11
P143
CEM0
12
P142
CEM1
13
P141
RDSE
14
P140
CES
15
BYTE
BYTE
16
CNVss
CNVss
17
P87
MODEL
18
P86
BOOT
19
RESET
RESET
20
XOUT
XOUT
21
VSS
VSS
22
XIN
XIN
23
VCC
VCC
24
P85
NMI
25
P84
REM1
26
P83
PEW
27
P82
PDET
28
P81
VSY
29
P80
/ICD
30
P77
RXDR
31
P76
/DMT
32
P75
INT928
33
P74
34
P73
CEP
35
P72
SCKP
36
P71
RDTP
37
P70
SDTP
38
P57
SDM
39
VCC
VCC
40
P66
SDD
41
VSS
VSS
42
P65
SCK
43
P64
/CSA
44
P63
CEC
45
P62
CEC
46
P61
SCKC
47
P60
CSV
48
P137
/CSM
49
P136
VRB
50
P135
VRA
51
P134
PRI
52
P57
53
P56
54
P55
55
P54
56
P133
/BEC
57
VSS
VSS
58
P132
/Z2MT
59
VCC
VCC
60
P131
/HPMT
61
P130
/FMTF
62
P53
63
P52
64
P51
65
P50
66
P127
/FMTS
67
P126
/FMTC
68
P125
/FMTM
69
P47
70
P46
71
P45
72
P44
73
P43
74
VCC
VCC
75
P42
I/O
Detail of function
O
232C transmission data / Yokokawa data transmission
I/O
232C RTS output / Yokokawa clock input
I
232C CTS input
I
Fan control
O
None audio serial transmission data (necessary port)
I
RDS received / Frequency switch (R version)
SCK
None audio serial clock
O
Outside / inside synchronized output
O
BU2092CE or ZONE2
O
FL IC reset
O
FL1 enable
O
FL2 enable
O
RDS enable or RDS
O
Onscreen enable output / N/P format
VSS
Vss at 16 bit data
VCC
Vcc at microprocessor mode
I
Model distinction
I
Boot terminal for Yokokawa tool
I
Reset
O
Oscillate output
VSS
Microcomputer ground
I
Oscillate input
I
Microcomputer power supply +5V
I
Pullup by Vcc / 232C boot
I
Remote control pulse input and LO edge interrupted
I
Power switch and HI edge interrupted
I
Power detect and LO edge interrupted
I
Vertical synchronized detect
O
IC YSS928 / DA / AD / CODEC / DEM
I
232C receive data (connect to pin 29)
O
Digital full mute
I
YSS928 IPINT / MUTE / DIR
O
PLL IC enable
O
PLL IC clock
I
PLL IC receive data
O
PLL IC transmission data (necessary PU)
O
YSS928 transmission data
VCC
Microcomputer power supply +5V
I
YSS928 receive data
VSS
Microcomputer ground
SCK
YSS928 clock
O
YSS928 CE
O
CS3310 serial transmission data
O
CS3310 enable
SCK
CS3310 serial clock
O
CS3310 power supply control
O
CS3310 reset
I
Volume rotary B
I
Volume rotary A
I
Current protection
O
Bus extension control
VSS
Microcomputer ground
O
Zone 2 mute
VCC
Microcomputer power supply +5V
O
Headphone mute
O
Full mute FL / FR / MAIN -3dB
OE
WE
O
Full mute SWL / SWR / SW MONO
O
Full mute CENTER
O
Full mute MAIN L / R, RL / RC / RR"
VCC
Microcomputer power supply +5V
RX-V800/RX-V800RDS/HTR-5280
ON
OFF
O
OL
I/O
OL
I
I
I
I
SO
OL
SI
I
SCK
OL
O
OL
O
OL
O
OL
O
OL
O
OL
O
OL
O
OL
Vss
Vss
Vcc
Vcc
I
I
I
I
–
–
–
–
–
–
–
–
–
–
–
–
I
I
I
I
I
I
I
I
O
OL
I
I
O
OL
I
I
O
OL
O
OL
O
OL
I
I
O
OL
SO
OL
SI
I
SCK
OL
O
OL
SO
OL
O
OL
SCK
OL
O
OL
O
OL
I
I
I
I
I
I
O
OL
O
OL
O
OL
O
OL
O
OL
O
OL
O
OL
Just before
Just before
Just before
Just before
Just before
Just before
BU
OL
OL
OL
OL
OL
OL
OL
OL
OL
OL
OL
OL
OL
OL
Vss
Vcc
OL
OL
–
–
–
–
–
–
OL
OL
I
OL
OL
OL
OL
OL
OL
OL
OL
OL
OL
OL
OL
OL
OL
OL
OL
OL
OL
OL
OL
OL
I
HI
HI
HI
HI
OL
OL
OL
OL
HI
HI
HI
HI
OL
OL
OL
30