Magnavox MWC13D5 A, Service Manual

Page: 33 / 71

1-9-3
Audio Block Diagram
T8100BLA
MAIN CB
A
A
UDIO (TV/LINE) SIGNAL
D
VD A
UDIO SIGNAL
D
A
T
A(A
UDIO) SIGNAL
JK1801 HEADPHONE JA
C
K
SP1802 SPEAKER L-CH
CN1802
SP-L
1
SP-GND
2
SP1801 SPEAKER R-CH
CN1801
CL1801 CL1802
SP-R
1
SP-GND
2
DIGIT
AL
A
U
DIO OUT
(CO
AXIAL)
JK1730
IC1201
41 34
27 19 21
TUNER TUNER LINE LINE
(L-CH) (R-CH)
SPDIF
8
D
V
D-A
UDIO(R)
11
D
VD-A
UDIO(L)
10
D
VD-A
UDIO-MUTE
9
T
O
D
VD A
UDIO
BLOCK DIA
GRAM
<D
VD SECTION>
CN4A
T
O
SYSTEM CONTR
OL
BLOCK DIA
GRAM
CN4
A
UDIO(R)
-IN JK1702 A
UDIO(L)
-IN JK1703
WF19 WF20
SP-MUTE
TP1402
A
U
DIO-R-OUT
TP1401
A
U
DIO-L-OUT
D
VD-A
UDIO-MUTE
TP1403
D
VD-L-OUT
TP1404
D
VD-R-OUT
T
O
IF/VIDEO
BLOCK DIA
GRAM
TU-A
UDIO
AT
T
AT
T
TV MICON/VIDEO /CHR
OMA
/DEFLECTION
11
IC1801
(A
UDIO AMP)
7
VO
L
U
M
E
14
1
AMP AMP
MUTE /ST
ANDBY
CONTR
OL
3 6 8
DV
D
DV
D
LINE/TUNER
(L-CH) (R-CH)
2
12
LINE/TUNER
Q1731
AMP
DV
D
-L
V
OLUME
SWITCHING Q1732