Yamaha AV-S77 Service Manual page 19

IC4 : YSS918D-F
AC3Dav
VDD2
81
SDWCK0
82
SDBCK0
83
SDIA0
84
SDIA1
85
RAMA1 86
RAMA0 87
RAMWEN 88
RAMOEN 89
VSS 90
VDD2
91
IPORT7
92
IPORT6
93
IPORT5
94
IPORT4
95
IPORT3 96
IPORT2 97
IPORT1 98
IPORT0 99
VSS 100
CONTROL
SIGNALS
CONTROL REGISTER
/SDBCK0
SDBCK0
SDWCK0
SDIA0
SDIA1
STREAM0~7
SURENC
KARAOKE
MUTE
CLOCK (30MHz)
CRC
AC3DATA
DTSDATA
NONPCM
MICROPROCESSOR
INTERFACE
CONTROL
SIGNALS
SDOACKSEL
L, R
LS, RS
C, LFE
OPERATING
DELAY
RAM
PLL
VSS
50
SDWCK1
49
SDBCK1
48
SDOB0
47
SDOB1
46
45 SDOB2
44 RAMA7
43 RAMA8
42 RAMA9
41 VDD2
VSS
40
OPORT7
39
OPORT6
38
OPORT5
37
36 OPORT4
35 OPORT3
34 OPORT2
33 OPORT1
32 OPORT0
31 VDD1
COEFFICIENT
PROGRAM
RAM
SDIBCKSEL SDOBCKSEL
SUB DSP
EXTERNAL
DA T A
RAM
RAM
INTERFACE
ERAMUSE
AV-S77
SDBCK1
SDWCK1
SDOB0
SDOB1
SDOB2
SDOB3
18