FUNAI DR-D2831 - Page 24

1-9-5
E68C9BLA
Audio Block Diagram
IC901
(AUDIO D/A CONVERTER)
DIGITAL AUDIO OUT (COAX1AL)
AUDIO-MUTE
RGB-THROUGH
JK1209
JK1210
BUFFER
Q1247
Q1245
Q1244
Q1255
AUDIO(L) -OUT
AV CBADVD MAIN CBA
AUDIO(R) -OUT
JK1202
AUDIO(L) -IN4 AUDIO(R) -IN4
JK1203
JK1204
AUDIO(L) -IN3
AUDIO(R) -IN3
SIF OUT
11SPDIF
17 17
AUDIO(L)-OUT
15 15
AUDIO(R)-OUT
19 19
DVD-AUDIO-MUTE
13 13
AUDIO(L)-IN
11 11
AUDIO(R)-IN
44
TU-AUDIO(R)
2
2
AUDIO-MUTE
22
SIF
55
TU-AUDIO(L)
33
AUDIO(L)-OUT2
66
AUDIO(L)-IN2
55
AUDIO(R)-IN2
11
AUDIO(R)-OUT2
(
OP AMP
)
IC1216
TO DIGITAL SIGNAL PROCESS BLOCK DIAGRAM
TU1201 (TUNER UNIT)
OP AMP
AUDIO D/A CONVERTER
OP AMP
22
10 24
6 8
27 33 32 13 15
26 25
1 7
2 6
(AUDIO INPUT SELECT)
IC1208
3
13
4 2 5
11
1
12 15 14
MUTE-ONDRIVE
Q1256
MUTE-ON
9
10
7 6 8
15 14 16
4 3 5
IC902
(AUDIO A/D CONVERTER)
AUDIO A/D CONVERTER
10 11 12
1 2
15
SPDIF
CN501
CN1203
CN601 CN1204
BCK
DATA LRCK
MD
MC SCK
2
ML
L-CH R-CH
MUTE
BCK DATA LRCK
SYSCLK
R-CH L-CH
IN3 IN4
(L-CH)
IN3
TU/IN1/2 TU/IN1/2
IN4
(R-CH)
SW CTL
(OP AMP)IC1222
OP AMP OP AMP
2 6
1 7
TO SYSTEM CONTROL BLOCK DIAGRAM
REC AUDIO SIGNAL PB AUDIO SIGNAL
WF8
WF7
Q1257
MUTE-ON
Q1258
MUTE-ON
Q2002
MUTE-ON
Q2001
MUTE-ON
IF SIGNAL PROCESS
AFV CBA
JACK CBA
CN1209
CN1210
CN2001
CN1
JK2001
AUDIO(R)-IN2 AUDIO(L)-OUT2 AUDIO(R)-OUT2
2
AUDIO(L)-IN26
1 3
JK1206
AUDIO(R)-IN1 AUDIO(L)-OUT1 AUDIO(R)-OUT1
2
AUDIO(L)-IN16
1 3
IC1219 (INPUT/OUTPUT SELECT)
AMP
AMP
BUFFER
DRIVER
DRIVER
16 20 12 14
23
22
21
AMP AMP
BUFFER
LOGIC CONTROL
DRIVER
DRIVER
SCL
TO SYSTEM CONTROL BLOCK DIAGRAM
SDA