FUNAI HD-A2685, Руководство по обслуживанию

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Audio Block Diagram
E2B25BLA
IC1201
IC2
(A
UDIO SIGNAL PR
OCESS)
JK1801
Q1802
Q1806
A
U
DIO(L)
-OUT1 A
U
DIO(R)
-OUT1 A
U
DIO(R)
-IN1
JK1203 JK1202
A
UDIO(L)
-IN1
SIF OUT
(OP AMP
)
IC1203
T
O
DIGIT
A
L
SIGNAL PR
OCESS
BLOCK DIA
G
RAM
CN701
TU1701 (TUNER UNIT)
OP AMP
OP AMP
7
2
31 30
1 7
2 6
MUTE-ON
DRIVE
Q1807
(FR
ONT)
(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 SIGNAL PROCESS
JK2001
A
UDIO(R)-IN2
A
UDIO(L)-OUT2
A
UDIO(R)-OUT2
2
A
UDIO(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 89 93 84 91 72
SW
71
SW
74
SW
SW SW
73
14
A
UDIO(L)-OUT
16
A
UDIO(R)-OUT
12
DVD/HDD-A
UDIO-MUTE
20
A
U
DIO(L)-IN
18
A
U
DIO(R)-IN
D
VD/HDD-A
UDIO-MUTE
SCAR
T
-A
UDIO-MUTE
A
UDIO-MUTE
T
O
SYSTEM CONTR
OL
BLOCK DIA
G
RAM
Q1801 DRIVE
IIC I/F
42 43
T
O
SYSTEM CONTR
OL
BLOCK DIA
G
RAM
SD
A
SCL
WF6
A
V
CB
A