Block Diagram And Schematic Diagram - Pioneer VSX-49TX Service Manual

1
VSX-49TX, VSX-47TX

3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM

3.1 BLOCK DIAGRAM
3.1.1 Audio Block
ANT
A
FM/AM TUNER
A
MODULE
IC2001 TC9164AF
A/V Function Selector
DVD/LD
27
L
26
TV L
SAT L 25
VCR1
24
PLAY L
VCR2
22
PLAY L
VCR3
21
PLAY L
18
19
IC2002 TC9162AF
A/V MR
VSX-49TX Function Selector
ONLY
27
26
B
24
23
VCR3
18
REC L
VCR1
21
REC L
VCR2
20
REC L
R
MOTHER
I
ASSY(2/5)
MIC & OPT
ASSY(1/2)
MIC
JA3202
2 2
SETUP
CN3205
MIC
CN3202
C
VIDEO
FV L
3 3
L
CN3204
CN3206
FRONT A/V
J
ASSY
VSX-49TX ONLY
SLOUT
22 20
FLOUT
23
COUT
26 24
27
19 17
SBLOUT
18
IC3401 TC9163AF
D
A/D Mode Selector
14
1
2
MOTHER
R
ASSY(1/5)
CN2705
CN5802 CN5814
(13P)
(13P)
L CH
7 7
CN2001
(F)
(17P)
23
(MR)
(REC)
B
20
AV I/O ASSY
17
MR VOL
IC2051-1/2
IC2052
UPC4570C
M62429FP
3
(MR)
25 1
8 7
2
(MR)
22
2
(REC)
1
17
3
19
IC2053-2/2
BA4558F
CN2001
(17P)
CN2002
(17P)
1 12
FV L
MIC
1 12
CN5820
CN5821
(17P) CN5806
(11P)
1 5
FV L
MIC
11 7
CN3207
(11P)
IC3201-1/2
M5220FP
3
1
2
H
MIC AMP
Q3204
MIC AMP
ASSY
IC3421 AK5383VS
IC3502-2/2
Front
NJM2068D
A/D Converter
6
7
4
5
15
5
IC3461 AK5383VS
IC3701-2/2 Surround
IC3702-2/2
A/D Converter
6
6
7
7
5
4
5
15
5
IC3441 AK5383VS
C/SW
IC3601-2/2
IC3602-2/2
A/D Converter
6
6
7
7
5
4
5
15
5
IC3481 AK5383VS
Back
IC3801-2/2
IC3802-2/2
A/D Converter
6
6
7
7
5
4
5
15
5
2
3
CN3401
(20P)
(20P)
TXL TXL
20
20
IC3423-2/2
M5220P
PHONE 5
7
L
VFUNCL
4 6
CD L
MR OUTL
8
TAPE1
PLAY L
RECL
14
FL IN
TAPE2
PLAY L
(REC)
TAPE1
REC L
(REC)
TAPE2
REC L
MR
OUT L
IC3462-2/2
UPC4570C
5
SL IN 7
6
(S)
R
MOTHER
ASSY(3/5)
CN5816
CN3403 CN5810
(30P)
(30P) (17P)
(F)
ADFFDT AF DATA
7 7 8
(S)
ADSRDT AS DATA
3 3 4
(C)
ADCWDT AC DATA
5 5 6
(SB)
ADSBDT AB DATA
1 1 2
3
4
ANALOG IN &
L
A/D ASSY
IC3422 TC9163AF
Audio Function Selector
CN3401
(F)
27 24
26
25
20
23
22
IC3424-1/2
21
UPC4570C
(F)
5
19 17 7
6
18
(S)
11 13
15
14
IC3901 BU4052BCF
Audio MR
Function Selector
MIC & OPT
I
ASSY(2/2)
OPT
IN
CN3201
(5P)
5
OPT5 IN
5
R
CN5804
(5P)
MOTHER
CN5809
ASSY(4/5)
(9P)
8
F OPT
OPT OPT COAX
OUT IN IN
2
CN703
CN702
(9P)
(17P)
10
14
DIR & DIT
DSP 1 & 2
DSP U-COM
RF Demodulator
12
S
DSP ASSY
16
4
(20P)
VFUNC INL
12
MR LOUT
16
MC CIN
8
MC SBLIN
4
CN3402
(17P)
(F)
EX FLOUT
2
(SB)
EX SBLOUT
14
EX COUT
6
EX SLOUT
(C)
10
CN709
CN707