Yamaha rx-v561 Service Manual page 46

A B
RX-V561/HTR-6050
1
OPERATION
2
DSP
• See page 61-66 →
SCHEMATIC DIAGRAM
3
4
5
OPERATION
• See page 67, 68 →
SCHEMATIC DIAGRAM
PSW
"STANDBY/ON" key
VRA
"VOLUME"
VRB
REM
IR Remote
LIM
LIM
6
MAIN
• See page 69, 70 →
A/D DATA
SCHEMATIC DIAGRAM
DIR DATA
7
46
C D
• See page 67, 68 →
SCHEMATIC DIAGRAM /RESET from OPERATION
/RESET
IC505
IC505
IC202 IC201
SDRAM
W9864G6EH-7
15
SA10, /SRAS, /SCAS,
/SMS, CLKOUT, SCKE,
/SWE, SDQM0, SDQM1
ARDY
/DRESET
IC101
162
13
Microprocessor with DSP
48
46
38
47
DR0SEC
73
DT0SEC
67
DR0PRI
74
DT0PRI
68
E F
Control Section
IC601
12
IC204-207 USB Host Controller
FlashROM
ExPort1/2
61,62 2-18,63,64
S29AL008D70TFI0
1 11
/OE
LE
LEEX
IC203
Logic
/AWE,
/AOE,
/AMS0 /AWE, /AMS1, /AMS2
/EXPE
51
152,153,158
/AWE,
/ARE,
/AMS3
27,28
/SPISEL2
49
SPISCLK
SPIMO
/SPISEL1
50
SPISCLK
SPISCLK
53
SPIMO
55
SPIMI
54
ADSP-BF531
SPISCLK
INTAK
34
G H
/IC_AK
OPERATION (9)
/RESET • See page 67 →
SCHEMATIC DIAGRAM
32 USB
ISP1362BD 46,47
24,30
20-22
/WR, USB_INT
USB_N_DACK
/RD, USB_DREQ1
/CS
Ex2-10
ADSEL0-2
IC102
IC402-403
/CS
1
11 10 9
SCLK
6 EEPROM
SI
5
SPIMI SD
2
IC401
/CS
4 3
1
KEY0
SCLK
7
4ch ADC
10 KEY1
SPIMO DIN 6
8 ADC084S021
SPIMI DOUT
9
/RESET
/CEFD
/SPISEL4
SPISCK CKFD
PIMO DTFD
IC404
/CEOSD3
/5SPISEL6
/SPISEL6 11 9
SCKOSD3
5SPISCK
5SPISCK
SPISCLK
Bus-
14 6 SDTOSD3
5SPIMO
SPIMO
13 Switch 7
SPIMI 5SPIMI
2 18
5SPISEL5
SPISEL5
5
15 3.3V <->
5SPISCK
5V
/OE
/CCBE 5SPIMO
19
/ICAK
5SPIMI
RDS_RST
12 8
RDCL
RDS_SW
3
17
5SPISCK
IC301
5SPIMI
/PDN
31
/CS
/SPISEL3
23
CCLK
21
CDTI
SPIMO CODEC with DIR
22
SPIMI CDTO
20
INT0
AK4588
80
I J
CONTROL LIST
Input select VIA, VIB, VIC
/OSDSEL
MON
/VR1
SSEL1-3
Control bus SPISEL3-6
/CCBE
USB reset /IC_AK
A/D select ADSEL0-2
Speaker relay control MRYA
MRYB
CSRY
HPRY
Mute control /FMT
/CMT
/SMT
/SWMT
Power control PRY
/8ohmSW
/3.3SW
USB DMA ACK EX2-10
INPUT LIST
Protection PDET
PRD
PRV
PLDET
THM
Keypad KEY0
KEY1
Hi or Lo PRI
/HP
/ST
TUNED
/MIC
iPAP
else DEST
iPDET
IC201
OPERATION (1)
1
• See page 67 →
VFD
2
SCHEMATIC DIAGRAM
3 M66003-
4 0131FP-R
IC342
VIDEO (3)
9
OSD • See page 71 →
10
SCHEMATIC DIAGRAM
LC74781JM-
9798
11
CEP TUNED
SCLK
/ST
TUNER
DI
COMP
DO
RDS_RST RST
RDS_RDY READY
RDDA
SCLK