Pye Video E7A02UD, Service Manual

Page: 21 / 57

1-9-4
Audio Block Diagram
IC801
(A
UDIO D/A CONVER
T
ER)
DIGIT
A
L
A
U
DIO OUT
(CO
AXIAL)
A
UDIO-MUTE
JK2206
JK2201
B
U
FFER
Q1241
Q1203
Q1201
A
UDIO(L)
-OUT1 A
UDIO(R)
-OUT1
A
V
CB
A
D
VD MAIN CB
A
JK2103
A
UDIO(L)
-IN2 A
UDIO(R)
-IN2
JK2106
A
UDIO(L)
-IN1 A
UDIO(R)
-IN1
SIF OUT
L-CH R-CH
28
28
SPDIF
14
14
A
UDIO(L)-OUT
16
16
A
UDIO(R)-OUT
12
12
DVD-A
UDIO-MUTE
20
20
A
UDIO(L)-IN
18
18
A
UDIO(R)-IN
(MTS/SAP A
UDIO
SIGNAL PR
OCESS
)
IC1701
T
O
DIGIT
A
L
SIGNAL PR
OCESS
BLOCK DIA
GRAM
TU1701
MTS/SAP A
UDIO
SIGNAL PR
OCESS
A
UDIO D/A
CONVER
TER
14
21
30 29
(OP AMP
)
IC1102
(A
UDIO INPUT SELECT)
IC1101
OP AMP
OP AMP OP AMP
OP AMP
1 7
13
3
2 6
24
27
11 15 14
4 2 5
MUTE-ON
DRIVE
Q1202
MUTE-ON
9
10
7 6 8
15 14 16
4 3
5
IC802
(A
UDIO A/D CONVER
T
ER)
A
UDIO A/D
CONVER
TER
7 8 9
13 14
6
SPDIF
CN101
CN1051
CN701
CN1101
BCK D
ATA
LRCK MD MC SCK
2
MS AIMS
L-CH
R-CH
MUTE
BCK D
ATA
LRCK SYSCLK
R-CH
L-CH
IN1 TU IN2
(L-CH)
IN1 TU IN2
(R-CH)
SW CTL
A
UDIO-SW2
A
UDIO-SW1
T
O
SYSTEM CONTR
O
L
BLOCK DIA
GRAM
(OP AMP
)
IC1201
2 6
1 7
TO SYSTEM CONTR
O
L
BLOCK DIA
GRAM
SCL SD
A
T
O
SYSTEM CONTR
O
L
BLOCK DIA
GRAM
REC AUDIO SIGNAL
PB AUDIO SIGNAL
Q1102
Q1101
WF6 WF7
(TUNER UNIT)
JK2104
10 11 12
FR
ONT
REAR
E7A02BLA