A
B
C
D
E
F
G
H
I
J
1
2
3
4
5
6
7
RX-V2500/DSP-AX2500
49
CD
DVD
DVR/VCR2
DVD
D-TV
CBL/SAT
VCR1
VCR2
MD/TAPE
MD/TAPE
CD-R
CD-R
CD
VCR1
VCR2
ZONE2
ZONE3
CD
DVD
MD/TAPE REC
CD-R REC
DTV
CBL/SAT
Input
Selector
Front
Selector
Rec Out
Selector
IC505
IC502
IC504
IC501
1,2,3,15
1,2,3,15
4
4
CO
AXIAL DIGIT
A
L
OPTICAL DIGIT
A
L
ANALOG
ANALOG
ANALOG
ANALOG
2,4,5
8
9
1
21
143
DIRSD0
Decoder
D601A003
IC512
IC506
DIR
LC89057W
SDIN
24
152
96
93
97
98
99
19,20
151
150
147
TID3
DIRSD0
TID2
TID1
TID0
RXOUT
/INH
IC902
DSP
YSS930
IC516
Auto
Calibration
YSS930
IC518
92-99
27-34
SDI0-7
Selector
3
2
4
27
28
15
29
16
30
13
14
YSDO0
YSDO1
YSDO2
YSDO3
31
3
YSDO4
DAC
AK4358
IC524
IC523
DAC
AK4382
32
3
YSDO5
IC522
DAC
AK4382
1,2
47,48
45,46
43,44
41,42
37,38
32,33
11,12
9,10
11,12
9,10
IC525
IC526
IC527
IC528
IC529
IC530
DAFL
DAFR
SL
SR
C
SWL
SWR
SBL
SBR
PL
PR
5
5
V-AUX
ADC
AK5381
IC519
IC520
IC904
2
1
9
IC301
IC302
3
1
MIC
IC307
PHONO
V-AUX
TUNER
FM/AM
Rec Out /
Zone2
Selector
IC304
Rec Out
Selector
EVOL
YAC526
EVOL
YAC526
IC310
1-16
20
3,28
5,26
9,22
12,19
6,25
2,29
Z2
26
Z3
25
19
24
13
24
13
IC515
IC516
21
16
21
16
IC308 ADL
ADR
Input
Selector
Input
Selector
FRONT (6CH) /
SB (8CH)
SURROUND
SUB WOOFER
CENTER
6CH/8CH MULTI CH INPUT
IC306
IC311
IC309
IC312
IC314
IC533
IC534
IC533
IC538
6,25
6
10,21
5,26
11,20
2,29
10,11,20,21
7,8,23,24
9,12,19,21
7,24
DAFL
DAFR
8,23
IC304
EVOL
YAC520
EVOL
YAC523
IC528
Mix
IC505
IC532
IC529
IC303
SL/SR,C
SWL/SWR
PL/PR
Selector
NJU7311
SBL
SBR
SWL
SWR
SL
C
3
SR
4
5
8
9
6
7
PL
PR
9
22
FL
FR
2
6
1
7
34
33
32
3
5
1
3
1
IC530
2
1
6
7
10
21
8,9
22,23
7
5
3
7
1
5
7
SL
C
SR
29
28
SWL
SWR
31
30
SBL
SBR
7,11
20,24
5,26
6,25
12
19
IC505
IC304
12
19
11
20
10
21
IC505
IC903
JK901
Head Phones
PRE OUT
FRONT L/R
CENTER
SURROUND L/R
SURROUND
BACK L/R /
PRESENCE L/R
SUB WOOFER
4
27
2
29
3
28
FRONT
CENTER
SURROUND
BACK
SURROUND
BACK L/R
PRESENCE L/R /
ZONE2 L/R
SURROUND
FRONT L/R
CENTER
SURROUND L/R
SPEAKER OUT
IR Remote
U901
STANDBY ON
SW904
Program
SW910
Volume
SW909
Input Selector
SW920
FL Driver
IC901
FL Display
V901
25
34
133,134
123,124
125,126
17
Reset
SW924
29,60,61
19
IC501
Micro Computer
M30805SGP
118
51
Extended
Port
Extended
Port
Extended
Port
D0-7
IC534
138
3
135
136,137
31
Multi CH Input
SW903
Q501
/VMT
Q502
FAN
PRY (Power Relay Control)
SDTN
4051A
4051B
4051C
ADEX
4
IC531
Multiplexer
TC74HC4051
9,10,11
12-16
SPA,SPB
SPE,SPSB
SPZ2
(Speaker Protection)
IC532
IC535
5
9
PRI
(SP Current Detection)
CPNTD
CMPSEL
/Z2VMT
YCSEP
TRG2
TRG1
PRV
(Power Supply Voltage Detection)
PRD
(SP Drive Output Detection)
14
15
16
18
19
2
5
13,14,15
Key
SW901,902,905-908
SW911-919,921
922,923
DSP
DAC
IC532
PB In
Rec Out
Rec Out
UCA Only
12
14
9
7
VOLUME
POER AMP
DSP
• See page 71, 72
→
SCHEMATIC DIAGRAM
OPERATION
• See page 75
→
SCHEMATIC DIAGRAM
OPERATION
• See page 75
→
SCHEMATIC DIAGRAM
• See page 73, 74
→
SCHEMATIC DIAGRAM
FUNCTION
INPUT
• See page 78, 79
→
SCHEMATIC DIAGRAM
• See page 80, 81
→
SCHEMATIC DIAGRAM
CONTROL
• See page 75
→
SCHEMATIC DIAGRAM
OPERATION
• See page 76
→
SCHEMATIC DIAGRAM
MAIN
• See page 77
→
SCHEMATIC DIAGRAM
POWER
• See page 73, 74
→
SCHEMATIC DIAGRAM
FUNCTION
■
BLOCK DIAGRAM (1/2)