Block Diagrams; Audio (Digital) Section Block Diagram - Yamaha RX-V661 Service Manual

A B
1
I BLOCK DIAGRAMS
U, C models
XM
2
OPERATION
MIC in
MIC IN
Switch
• See page 93-95 →
Q602,604
SCHEMATIC DIAGRAM
1,2
FUNCTION
IC67 Vin
Att.
ADL, ADR
+
-7.09dB
3,5 1,7
• See page 96, 97 →
NE5532DR
SCHEMATIC DIAGRAM
3
OPTR 1 RXOUT
OUTPUT MD/CD-R
HAX 2
RX0
RX1
OPTA 4
RX2
MD/CD-R
OPTB 5
RX3 MUX
DVD
OPTC 8
RX4
INPUT
DTV/CBL
13 10 CXA 9
RX5
CD
Buffer
SN74LVU04APWR
1 4 CXB 10
RX6
DVD IC52
4
S HDMI/V-AUX Selector
0 HDMI SPDIF
1 V-AUX
Selector
TC74VHCU04FT
IC43
HDIG 2 1A
OPERATION
1Y 4
3 1B
V-AUX
• See page 98 →
SCHEMATIC DIAGRAM
5
SPDIF
HDMI
HMCK
HBCK
HWCK
Selector
S
SN74LV157APWR
IC25 0
PCM0 1A
1
PCM1 2A
6
PCM2 3A 1Y 4 DP0
PCM3 4A 2Y 7 DP1
DSD0 1B 3Y 9 DP2
DSD1 2B 4Y 12 DP3
DSD2 3B
DSD3 4B
DSD4
DSD5
7
DSDCK
C D

AUDIO (DIGITAL) SECTION BLOCK DIAGRAM

• See page 93-95 →
DSP
XMSDO
XMDT IC SCHEMATIC DIAGRAM
37
F2621E-01-TR
XMWCK
41
IC42
XMBCK
39
XMMCK
43
PCM1803
RMCK
SCKI
2ch ADC 15
RBCK
IC66
BCK
11
RWCK
LRCK
10
ADSD0
DATA
12
Selector
TC74VHC153FT
IC45
RMCK 6 1C0
DIR
LC89057W-VF4D-F HMCK 4 1C1
1Y
IC41
SDIN 24 5 1C2
A
XMMCK 3 1C3
SLRCK
B
RBCK 10 2C0
SBCK
HBCK 11 2C1
RDATA 21 DIRSDO
2Y
DIR
DSDCK 12 2C2
RLRCK 20 RWCK
XMBCK 13 2C3
RBCK 17 RBCK
RMCK 16 RMCK
Selector
TC74VHC153FAT
A
44 45 46 IC46
RWCK 6 1C0
B
HWCK 4 1C1
1Y
CKSELB
GND 5 1C2
CKSELA
XMWCK 3 1C3
PDSEL
DIRSDO 10 2C0
DPO 11 2C1
2Y
12 2C2
• See page 101 → XMSDO 13 2C3
SCHEMATIC DIAGRAM
B A Clock/Data Selector
0 0 DIR
0 1 HDMI PCM
1 0 HDMI DSD
1 1 XM
HDMI Selector
HDMI PCM
HDMI DSD
E F
7 SELMCK
14
CKSELA
2
CKSELB
9 SELBCK
14
2
7 SELWCK
Decoder/Post Processor
DA70Y
IC44
SELBCK ACLKR0 AHCLKX0
McASP0 McASP0
139
SELWCK AFSR0 ACLKX0
141 Decoder
9 SELSDO
SELSDO AXR0[10] AFSX0
130
DP1 AXR0[11] AXR0[4]
131
DP2 AXR0[12] AXR0[3]
134
Post
DP3 AXR0[13] AXR0[2]
Processor
135
DSD4 AXR0[14] AXR0[1]
137
DSD5 AXR0[15] AXR0[0]
138
EMIF
16M SDRAM 4/8M ROM
IC49 IC51
7ns (CL=3)
Flash MX29LV400BTC-70
W9816G6CH-7 Flash MBM29LV400BC-70
IS42S16100A1-7TL Mask MX23L8103(70ns)
M12L16161-7TG P2ROM MR27V802F (70ns)
G H
PCM1781
2ch DAC
IC61
Normal Phase
XMMCK 5
SCK
XMBCK 7
BCK
XMWCK 8
WCK
XMSDO 6
DATA
PCM1780
S Pure Direct Selector 2ch DAC
0 DIR/XM Direct IC64
Normal Phase
1 DSP Through
SELMCK 5 SCK
Selector
1 DABCK 7 BCK
SN74LV157APWR
PDSEL
IC62
SELBCK 14 4A DAWCK 8 WCK
SELWCK 11 3A DASD_P 6 DATA
SELSDO 2 2A 4Y 12 DABCK
PCM1680
8ch DAC
SELSDO 5 1A 3Y 9 DAWCK
SELMCK
IC65
141 Reverse Phase
TIBCK 13 4B 2Y 7 DASD_P SELMCK 5 SCK
TIBCK
142
TIWCK 10 3B 1Y 4 DAFD_F DABCK 7 BCK
TIWCK
144
TISD_P PL/PR 6 2B DAWCK 8 WCK
119
3 1B DASD_F 6 DATA1
TISD_F FL/FR
117
11 DATA2
TISD_C C/SW
116
12 DATA3
TISD_S SL/SR
115
13 DATA4
TISD_SB SBL/SBR
113
I J
RX-V661/HTR-6060/DSP-AX761
IC72
XML/XMR
Vout + XM Rec L/R / Zone2 L/R
14,15 2,6 1,7
2.4Vrms @ 0dBFS
NE5532DR
Vout 14,15
+
DAFL (+PL)/DAFR (+PR)
Vout1 26,27
-
1.2Vrms @ 0dBFS
IC68
Vout2 21,22
- DAC/DASW
IC69
2.4Vrms @ 0dBFS
Vout3 19,20
- DASL/DASR
IC70
2.4Vrms @ 0dBFS
Vout4 15,16
DASBL/DASBR
-
IC71
2.4Vrms @ 0dBFS
NJM4565M
71