Magnavox ZV450MW8 - DVD Recorder And VCR Combo, Service Manual, Page: 33 / 89

1-11-8 E9C80BLAS
Audio Input/Output Select Block Diagram
DIGIT
A
L
A
UDIO OUT
(CO
AXIAL)
D
VD-
A
U
DIO-MUTE
OUTPUT
-SELECT
JK2202 (REAR)
JK2805 (REAR)
AMP
Q2351
Q2804
Q2806
A
U
DIO(L)
-OUT1
MAIN CB
A
FR
ONT J
A
CK CB
A
TUNER CB
A
A
U
DIO(R)
-OUT1
JK2801
A
UDIO(L)
-IN2 A
UDIO(R)
-IN2
JK2800
JK2804 (REAR)
A
UDIO(L)
-IN1 A
UDIO(R)
-IN1
LINE(R)-OUT
LINE(R)-IN
LINE(L)-OUT
LINE(L)-IN
D
VD-A
UDIO(R)
D
VD-A
UDIO(L)
66
A
UDIO(L)-IN2
88
A
UDIO(R)-IN2
(OP AMP
)
IC2803
OP AMP
OP AMP OP AMP
OP AMP
1 7
2 6
IC2801
3
4 2
15
5
11
1
12 14
MUTE-ON
DRIVE
Q2805
MUTE-ON
9
10
CN2204 CN2201
IN1 TU IN2
(L-CH)
IN1 IN1 IN1 TU IN2
(R-CH)
SW CTL
A
UDIO-SW2
A
UDIO-SW1
T
O
SYSTEM
CONTR
O
L
BLOCK DIA
G
RAM
SW CTL
(OP AMP) IC2804
(OUTPUT SELECT)
IC2406
6 2
7 1
JK2751 (REAR)
A
U
DIO(L)
-OUT2 A
U
DIO(R)
-OUT2
T
O
SYSTEM CONTR
OL
BLOCK DIA
GRAM
T
O
SYSTEM
CONTR
OL
BLOCK DIA
G
RAM
T
O
Hi-Fi A
U
DIO
BLOCK DIA
GRAM
CN2609
CN2605
REC AUDIO SIGNAL
PB AUDIO SIGNAL
12 13
5 3
14
4
TP754
A-OUT
-L
TP753
A-OUT
-R
WF10
WF9
9
10
11
IC801 (A
UDIO D/A CONVER
TER)
D
VD MAIN CB
A UNIT
28
3
SPDIF
14
17
A
UDIO(L)-OUT
16
15
A
UDIO(R)-OUT
12
19
DVD-A
UDIO-MUTE
20
11
A
UDIO(L)-IN
18
13
A
UDIO(R)-IN
T
O
DIGIT
A
L
SIGNAL PR
OCESS
BLOCK DIA
GRAM
A
UDIO D/A
CONVER
TER
7 6 8
15 14 16
4 3
5
IC802 (A
UDIO A/D CONVER
TER)
A
UDIO A/D
CONVER
TER
7 8 9
13 14
6
SPDIF
CN101 CN701
BCK D
ATA
LRCK MD MC SCK
2
MS AIMS
L-CH R-CH
MUTE
BCK D
ATA
LRCK SYSCLK
R-CH L-CH
10 11 12
13
11
11
A
TU-A
UDIO(L)
13
13
A
TU-A
UDIO(R)
CN2610
CN5007
L-CH R-CH
DTV
-A
UDIO(L)
T
O
DTV
BLOCK DIA
G
RAM
DTV
-A
U
DIO(R)
17
17
DTV
-A
UDIO(L)
15
15
DTV
-A
UDIO(R)
MTS/SAP A
UDIO SIGNAL
PR
OCESS
SIF
IC5001
TU5001
MTS/SAP A
UDIO
SIGNAL PR
OCESS
30 29
21
3
(TUNER UNIT)
A
UDIO INPUT
SELECT
DVD PB (DVD VCR DUBBING)
VCR PB
(VCR DVD DUBBING)
DTV/ANALOG
SW CTL
(INPUT SELECT) IC5002
13 12
3 5
14
4
9
10
11