Block Diagram And Schematic Diagram; Audio Block Diagram - Pioneer VSX-1012-K Service Manual

1

3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM

3.1 AUDIO BLOCK DIAGRAM

A
G 1/2
VSX-45TX
ONLY
COAXIAL IN
USB AUDIO
ASSY
E 1/2
(CD-R/TAPE1)
OPTICAL IN
ASSY
JA1701
IN1
(TV/SAT)
IN2
B
(CD-R/TAPE1)
JA1702 CN1701
W REGULATOR
CN2412
ASSY
(9P)
OPT
8
A
BN201
FM 1
ANTENNA
AM 20
C
JA113
(1/2)
L
CD-R/
TAPE1
R
JA112
(1/2)
L
MD/
TAPE2
R
IN
JA111
L
CD
R
D
L
PHONO/
LINE
R
OPT
8
CN3
(9P)
MIC & F.OPT
L
IN ASSY
CN1601
(4P)
JA1601
FOPT
1 4
CN3004
E
(4P)
JA1501
FV-L
L 3 3
R CN1501 CN3005
(7P) (7P)
FRONT IN
S
D
ASSY
F
C 1/2
16
1
2
IC1681
CN1802
PCM2902EG
JA1681 (1/2)(20P)
D+
DIGITAL
1 25
D-
2 24
JA1801
IN 3
1 4
IN 4
13 10
(CD)
IC1881
TC74HCU04F
DIN1 DIN1
2 2
DIN2 DIN2
4 4
CN1801
(1/2)(9P) (1/2)(9P)
CN2408 CN1653 CN1651
(17P) (17P)
OPT
2 16
AM/FM TUNER
MODULE
CN201
CN601
IC201 (13P)
(13P)
BA1451F
TXL TXL
11 7 7
AM/FM IF
+ MPX IC
IC101
TUNER
1 TC9274F-019
Selector
CD-R PLAY
41
MD PLAY
42
CD CD-R REC
43 8
LINE/PHONE
MD REC
44 9
V1/IN
V1/OUT
2 10
V2/IN
V2/OUT
3 11
TV/SAT
OUT
4 14
DVD/LD
5
FVIDEO
6
6 5 4 3 1
CN501
17 6
10 11 12 13 15
(32P)
CN3006
17 6
(32P)
CN1405
12 13 14 15
(1/2)(17P)
1/2 DISPLAY
ASSY
CN1204
12 13 14 15
(1/2)(17P)
V-AUDIO IN ASSY
2
3
R
CN101
DSP ASSY
(1/2)(20P)
IN6
6 6
IC201
OUT2
2 2 AK4114VQ
DIR & DIT
IN1
44
15
IN2 IN2
14 14 46
16
IN3
48
IN1
IN4
16 16
1
IN6
25
5
RX0
42
IN3
12 12
DAUX
28
IN4
10 10
9 2
CN102
IC101
(28P) (28P)
AK5380VT
AD
OPT
18 18
DSP CONNECTION
N
ASSY
VSX-45TX
TUNER
4 ONLY
CD-R
IC202 (1/2)
3
NJM4558MD
CD
2
3
6
DVD/LD
5
2
TV/SAT
7
V1/IN
8
IC201
TC9164AF
Selector
IC102 (2/2)
UPC4570G2
5
7
6
CN101 CN201
2
(15P) (7P)
CN1401 CN1402
14
(15P) (7P)
CN1301
IC1301 (1/2)
UPC4570G2 3
L
FRONT
R
L
SURROUND
IC1302 (1/2)
R
UPC4570G2
CN1302
3
CENTER
2
SUB WOOFER
L
SURROUND
3
BACK
R
2
VSX-45TX
3
4
TX0
TX1
FL
SDTO
4
SL
5
11 9 10
SBL
SDI1
7
C
IC701
6
TC74VHC157FT
Selector
IC301
DSPC56367PV150
DSP1
Decoder
CN601
20 16 8 12 10 4
(21P)
CN301
20 16 8 12 10 4
(21P)
IC103
TC9163AF
1
6
ALOUT
4
FL
3
C
18
17
SW
11
12
SBL
8
FL
2
C
19
SW
10
SBL
7
SL
9
10
SL
11
IC104
TC9215AF
CN102
1 11 9 10 2 4
(13P)
CN1403
7 3 5 4 12 10
(13P)
CN1406
3 5 7 6 9
(9P)
CN1307
3 5 7 6 9
(9P)
B 1/2
1
2
7.1 CH I/O ASSY
3
1
2
IC1303 (1/2)
UPC4570G2
1
IC1303 (2/2)
5
UPC4570G2
7
6
1
IC1304 (1/2)
UPC4570G2
4
FL
10 7
SL
11 5
SBL
48 4
C
138 6
IC401
DSPC56367PV150
DSP2
PPP
IC701
TC94A07F
5
FL
7
4
IC703
TC94A07F
5
5 SL
7
SBL 4
9
C
IC704
TC94A07F
SW
5
SBL
7
4
IC702
TC94A07F
5
C
7
4
SL
20
SW
18
21
CD-R REC
MD REC
MR L
V1/OUT
V2/OUT