2
A
B
C
D
E
F
G
H
I
J
1
3
4
5
7
RX-V1500/DSP-AX1500
6
58
IC522
IC521
IC525
2ch DIRECT
2
4
3
11,12
DAL
IC505
9,10
6, 7
SPA, SPB
LC1, LC2
1,3,5
COAX
9,10
DAR
Extend Port
A,B,C
3
11,5
SPE, SPSB
8,9,10
IC516
IC518
DIRSD0
93
27
IC526
IC520
36,37
2,3
SDO0
27
1,2
SL
IR Remote
25
7
2
IC512
SDO0
U901
28
47,48
SR
58
MIC
146
96
97
SDO1
28
14
STANDBY ON
26
OPT
TID3
SDO1
45,46
SBL
SW904
4
FAN
A,B,C,D
29
21
27
145
SDO2
43,44
SBR
Program
117,118
114
PRI
7
4
DIRSD0
TID2
29
15
SW910
30
SDO2
IC527
115
PRY
144
98
SDO3
IC528
Volume
123,124
OPT F
5
TID1
0
41,42
CL
SW909
135
LDD
31
30
16
143
99
SDO4
SDO3
39,40
CR
Input
Selector
125,126
135
PRD
OPT
1
TID0
SW920
REC 1,2
32
38,39
SWL
141
PRV
20
SDO5
31
13
Key
136,137
IC519
SDO4
32,33
SWR
SW901-903
IC520
33
SW905-908,911
5
7
2
ADC
92
SDO6
IC529
5,7,11
19
3
1
1
7
IC523
IC530
FL Driver
34
11,12
PL
IC901
SDO7
32
3
SDO5
9,10
PR
Reset Circuit
FL Display
V901
Q511, 512
MIC
IC904
3
1
IC903
JK901
IC509
Head Phones
FM/AM
IC510
IC516
IC513
IC521
3
1
12
9
2
1
IC501
5
7
14
7
6
7
3
1
IC502,503
5
7
IC511
IC517
3
1
BYL,BYR
5
7
IC514
7
5
3
3
1
4
IC528
Zone2
34
5
7
CENTER
CD
etc
IC518
IC529
3
1
5
32
5
7
SURROUND
L/R
5
7
6
31
1
3
IC531
IC525
5
7
7
IC527
IC526
12,14
8
IC528 1/2
7
6
9
28
1
SUBWOOFER
1
2
7
IC530
MAIN L/R
1
2
IC519
7
6
SUROUND L/R
IC515
IC523
2
1
12
9
2
1
SURROUND
BACK L/R
6
7
14
7
6
7
Rec/
Source
Selector
VOLUME
MAIN L/R
CENTER
DAC
DSP
ANALOG
DIGITAL
SPEAKER OUT
POWER AMP
ANALOG MULTI
138
THM
3,4,5,6
3,4,5,6
IC509
99
98
97
96
95
94
93
92
AK4382AVT
FL
Decoder
DD
DD-EX
DTS
DTS-ES
DTS 96/24
AAC(J)
IC501
IC504
Input
Selector
IC505
IC502,506
Rec Out
Selector
DIR
REC
OUT
Zone2
OUT
Zone3
OUT
PHONO
TUNER
SEL.
Zone3
Volume
DSP
YSS930
Auto
Calibration
YSS930
IC524
AK4358VQ
AK4382AVT
Selector
Micro Computer
M30805SGP
PRE OUT
YAC523
YAC520
YAC520
Multi
ch
Input
Zone2
Volume
Input
Selector
Rec Out
Zone2
Zone3
Selector
SEL
SURROUND
BACK L/R
SURROUND
L/R
ADSDO
SW913-919
SW921,922
ADL,ADR
25,26 Zone3
12,14
IC507
3
1
6
7
SUBWOOFER
CENTER
30
33
2
IC524
Rec*/
19,12
DSP
• See page 77~78
→
SCHEMATIC DIAGRAM
• See page 79~80
→
SCHEMATIC DIAGRAM
FUNCTION
• See page 79~80
→
SCHEMATIC DIAGRAM
FUNCTION
• See page 81
→
SCHEMATIC DIAGRAM
OPERATION
• See page 81
→
SCHEMATIC DIAGRAM
OPERATION
• See page 82
→
SCHEMATIC DIAGRAM
MAIN
• See page 83
→
SCHEMATIC DIAGRAM
POWER
■
BLOCK DIAGRAM (1/2)