Sylvania DVR90VF, Service Manual

Page: 35 / 88

1-11-8 E9610BLAS
Audio Input/Output Select Block Diagram
A
U
DIO-SW2
A
U
DIO-SW1
T
O
SYSTEM CONTR
O
L
BLOCK DIA
GRAM
IC901
(A
UDIO D/A CONVER
TER)
DIGIT
A
L
A
UDIO OUT
(CO
A
X1AL)
D
V
D-A
U
DIO-MUTE
OUTPUT
-SELECT
JK1202
JK805
AMP
Q1351
Q804
Q806
A
UDIO(L)
-OUT1
MAIN CB
A
J
A
CK CB
A
D
VD MAIN CB
A UNIT
A
UDIO(R)
-OUT1
JK801
A
UDIO(L)
-IN2 A
UDIO(R)
-IN2
JK800
JK804
A
UDIO(L)
-IN1 A
UDIO(R)
-IN1
SIF OUT
LINE(R)-OUT
MOD-A
U
DIO
LINE(R)-IN
LINE(L)-OUT
LINE(L)-IN
D
VD-A
UDIO(R)
D
VD-A
U
DIO(L)
L-CH R-CH
66
A
UDIO(L)-IN2
88
A
UDIO(R)-IN2
11
SPDIF
17
17
A
UDIO(L)-OUT
15
15
A
UDIO(R)-OUT
19
19
DVD-A
UDIO-MUTE
13
13
A
UDIO(L)-IN
11
11
A
UDIO(R)-IN
(MTS/SAP A
UDIO
SIGNAL PR
OCESS
)
IC900
(OP AMP
)
IC803
T
O
DIGIT
A
L
SIGNAL PR
OCESS
BLOCK DIA
GRAM
TU900 (TUNER UNIT)
MTS/SAP A
UDIO
SIGNAL PR
OCESS
OP AMP
A
UDIO D/A
CONVER
T
ER
OP AMP
15
A
UDIO-IN
2
21
30 29
1 7
2 6
(A
UDIO INPUT SELECT)
VCR PB
IC800
3
13
24
27
4 2 5
11
1
12 15 14
MUTE-ON
DRIVE
Q805
MUTE-ON
9
10
7 6 8
15 14 16
4 3 5
IC902
(A
UDIO A/D CONVER
TER)
A
UDIO A/D
CONVER
T
ER
10 11 12
1 2
15
SPDIF
CN501
CN2204
CN601
CN201
BCK D
ATA
LRCK MD MC SCK
2
ML
L-CH R-CH
MUTE
BCK D
ATA
LRCK SYSCLK
R-CH L-CH
IN1 TU IN2
(L-CH)
IN1 IN1 IN1 TU IN2
(R-CH)
SW CTL
SW CTL
(OP AMP)
IC804
(OUTPUT SELECT)
IC1406
OP AMP OP AMP
6 2
7 1
JK751
A
UDIO(L)
-OUT2 A
UDIO(R)
-OUT2
T
O
SYSTEM
CONTR
O
L
BLOCK DIA
G
RAM
T
O
Hi-Fi A
U
DIO
BLOCK DIA
G
RAM
IIC-B
US SCL
IIC-B
US SD
A
T
O
SYSTEM CONTR
OL
BLOCK DIA
GRAM
CN1609
CN1605
REC AUDIO SIGNAL
PB AUDIO SIGNAL
12 13
5 3
14
4
(DVD VCR DUBBING)
(VCR DVD DUBBING)
TP754
A-OUT
-L
TP753
A-OUT
-R
WF10
WF9
WF11
SCL
11
SD
A
12
WF13
WF14
9
10
11