Pioneer VSX-49TX Service Manual page 15

5
MOTHER
R
ASSY(5/5)
CN5814 CN5820
(20P) (17P)
(F)
VFUNCL
12 4
(MR)
MR OUTL
16 8
(C)
RECL
8 14
4
CN5817 CN5002
(SB) (9P) (9P)
MC C
8 8
MC SDL
4 4
CN5815
(17P)
(F)
EXFLIN
2 1 1
(SB)
EXSBLIN
14 13 13
(C)
EXCIN
6 5 5
(S)
EXSLIN
10 9 9
(SB)
SBLO SBLIN
14 20 20
(S)
SLIN
SLO
10 24 24
(C)
CTO CIN
6 28 28
FLO
CN5818 CN5001
2
(30P) (30P)
CN5813
(F)
FLIN
(17P)
3 3
CN5003
CN5819
(24P)
(24P)
(F)
FL
1
(S)
SL
3
(SBL)
SBL
5
CT
7
(C)
CN4801
(8P)
CN4805
VSX-49TX ONLY
I
DSP 3 ASSY
CN501
DSP 3
Front Digital
D/A Converter
Filter
IC6021 IC6101
CN6002
DF1706E PCM1704U-1
F
1 24 1 14
CW
S
Same as the above circuit.
SB
U
DAC 10 ASSY (VSX-49TX)
DAC 8 ASSY (VSX-47TX)
5
6
IC5043-1/2
UPC4570C
(C)
2
EXC
1
IN
3
IC5083-1/2
UPC4570C
(SB)
2
EXSBL
1
IN
3
IC5001
IC5181-1/2
IC5181-2/2
TC9274N-016
NJM2068D
NJM2068D
Mode Selector
2
6
1
7
3
5
5
(F)
4
2
3
(SB)
16
18
(C)
8
7
(S)
13
11
12
IC5023-1/2
NJM2068D
(F)
2
1
3
6
7
5
IC5023-2/2
NJM2068D
Voltage Amp Current Amp
IC4101 IC4102,IC4103
PA9008A PBD001A,PBD002A
IC4401 IC4402,IC4403
PA9008A PBD001A,PBD002A
IC4601 IC4602,IC4603
PA9008A PBD001A,PBD002A
POWER AMP (L)
V
ASSY
(C)
C
7 7 6
CN4807
CN4807
IC4301
(15P) (15P)
(15P)
PA9008A
Voltage Amp
(C)
8
W
CN4808
POWER AMP
(C) ASSY
Note: Shows the DAC 10 ASSY.
IC6105-2/2
IC6105-1/2
IC6103
NJM2068D
NJM2068D
NJM5534DD 6
CN6004
3
2
7
(F) (17P)
5
1 1
3 2
(C)
(S)
(SB)
6
7
VR & PRE OUT
Q
ASSY
Front
Main Volume
Pre-Amp
IC5021
IC5022-1/2
TC94A07F
OPA2134PA
(F)
3
7 5
1
2
Surround Back
Main Volume
Pre-Amp
IC5081
IC5082-1/2
TC94A07F
OPA2134PA
(SB)
3
7 5 1
6
2
L/SW
Main Volume
Pre-Amp
IC5041
IC5042-1/2
TC94A07F
OPA2134PA
3
7 5
1
19
2
Surround
(C)
Main Volume
Pre-Amp
10
IC5061
IC5062-1/2
TC94A07F
OPA2134PA
(S)
3
14 7 5 1
2
12
14 13
15
IC5084-2/2
BU4052BCF
Surround Back Selector
J4801
(F)
FLO
1
BRN
(C)
CO
4
(S)
SLO
2
YLW
(SBL)
SBLO
3
BLU
CN4805
CN4807
CN4805
(15P)
(15P)
(15P)
1 1
CG1+
6
| |
4 4
IC4302
PBD001A
Current Amp
CN4806 CN4808
CN4806
10 10
CG1-
8
| |
13 13
IC4303
PBD002A
Current Amp
POWER AMP
X
(R) ASSY
(F)
: Audio Signal Route (F)
FLO
2
(C)
: Audio Signal Route (C)
CTO
6
(S)
: Audio Signal Route (S)
SLO
10
(SB)
SBO
: Audio Signal Route (SB)
14
(SBL)
: Audio Signal Route (SBL)
7
8
VSX-49TX, VSX-47TX
PREOUT
(F)
L
FRONT
L
(SB)
SB L
(C)
PREOUT
CENTER
(S)
SURROUND
L
(F) K
FL
14
(S)
SL
12
HEADPHONE
ASSY
(SBL)
SBL
10
CN3203
CT (4P)
PHONES
8
3
(C)
CN5006
(14P)
HPL
3 CN1206
(4P)
CN1203 RY1205
CN1201
RY1201
(F)
1
RY1202
4
RY1203
2
(C)
RY1204
(S)
3
(SBL)
SBL
SBR
J1206
CN1202
(C)
3
ORG
FBL
3
CN1007
(SBL)
RY1003
AJ
CN1006
SP (B) ASSY
(MR)
: Audio Signal Route (MR)
(REC)
: Audio Signal Route (REC)
8
A
B
SPA
FL
FR
C
SL
SR
SPB
FL
FR
D
15