FUNAI DR-B3737, Service Manual

Page: 21 / 62

1-9-4
E7B22BLA
Audio Block Diagram
IC1201
(A
UDIO SIGNAL PR
OCESS)
JK1210
Q1802
Q1806
A
U
DIO(L)
-OUT2
A
V
CB
A
A
U
DIO(R)
-OUT2
JK1202
A
UDIO(L)
-IN1 A
UDIO(R)
-IN1
JK1203 JK1204
A
UDIO(L)
-IN2 A
UDIO(R)
-IN2
SIF OUT
55
TU-A
UDIO(L)
2
2
A
UDIO-MUTE
22
SIF
44
TU-A
UDIO(R)
33
A
UDIO(L)-OUT2
66
A
UDIO(L)-IN2
55
A
UDIO(R)-IN2
11
A
UDIO(R)-OUT2
(OP AMP
)
IC1203
T
O
DIGIT
A
L
SIGNAL PR
OCESS
BLOCK DIA
G
RAM
TU1701 (TUNER UNIT)
OP AMP OP AMP
7
1 7
2 6
MUTE-ON
DRIVE
Q1807
(FR
ONT)
(REAR) (REAR) (FR
ONT)
MUTE-ON
CN1201
(OP AMP) IC1202
OP AMP OP AMP
SW
SW
SW
2 6
1 7
REC AUDIO SIGNAL
PB AUDIO SIGNAL
Q1804
MUTE-ON
Q1805
MUTE-ON
Q2002
MUTE-ON
Q2001
MUTE-ON
IF SINAL PROCESS
AFV CBA
JACK CBA
CN1701
CN1801
CN2001
CN1
JK2001
A
U
DIO(R)-IN2
A
U
DIO(L)-OUT2
A
U
DIO(R)-OUT2
2
A
U
DIO(L)-IN2
6 1 3
JK1206
A
UDIO(R)-IN1
A
UDIO(L)-OUT1
A
UDIO(R)-OUT1
2
A
UDIO(L)-IN1
6 1 3
79 80 76 77
90 67 68 94 85 92 82 89 93 84 91 81
SW SW
72
SW
71
SW
74
SW
SW SW
73
14
A
UDIO(L)-OUT
16
A
UDIO(R)-OUT
12
DVD-A
UDIO-MUTE
20
A
U
DIO(L)-IN
18
A
U
DIO(R)-IN
D
VD-A
UDIO-MUTE
SCAR
T
-A
U
DIO-MUTE
A
UDIO-MUTE
T
O
SYSTEM CONTR
OL
BLOCK DIA
GRAM
Q1801 DRIVE
IIC I/F
42 43
T
O
SYSTEM CONTR
OL
BLOCK DIA
G
RAM
SD
A
SCL
WF6
1
1
TU-A
UDIO
A
UDIO OUT
6