Audio-1 Block Diagram - JVC LT-19DA9BJ Service Manual

AUDIO-1 BLOCK DIAGRAM

CN11
JK14
6 COMP-AUDIO(L)
COMPONENT
AUDIO(L)-IN 7 COMP-AUDIO(R)
JK15
COMPONENT
AUDIO(R)-IN
JACK PWB
IC851
(INPUT SELECT)
JK723
5
AUDIO(L)-IN
3
JK724
12
AUDIO(R)-IN
13
JK751
AUDIO(L)-IN 6
AUDIO(R)-IN 2
AUDIO(L)-OUT 3
AUDIO(R)-OUT 1
JK725
PC-AUDIO
-IN
!
TU501
(TUNER UNIT)
SIF-OUT 4
CN107
6
7
IC850
(INPUT SELECT)
1
2
4
5
(L-CH)
4
(L-CH)
12
14 15
11
(R-CH)
14
(R-CH)
SW CTL SW CTL
9 10
9 10 11
MAIN PWB
CN103A CN3704
9 SIF 15
TO SYSTEM
CONTROL
BLOCK
DIAGRAM
(No.YA683<Rev.001>)2-11
CN103A
3 AUDIO(L)
4 AUDIO(R)
8 INPUT0
7 INPUT1
6 INPUT2
3
13
CN102A
10 TU-AUDIO(L)
11 TU-AUDIO(R)
IC3821 (SOUND PROCESSOR)
(L-CH)
24
AUDIO SIGNAL
3 (R-CH)
PROCESS
22
SDA
18
I2C BUS
SCL
I/F
19
NICAM-RESET
21 RESET
2-12(No.YA683<Rev.001>)
IC3825
(AUDIO A/D CONVERTER)
CN3704
(L-CH)
11
21 1
A/D 10
20
(R-CH)
CONVERTER
15
16 2
12
17
18
IC3822
(AUDIO D/A CONVERTER)
(L-CH) 8
15
7
D/A
CONVERTER
(R-CH) 6
14
5
CN4503
16
15
IC3823
(INPUT SELECT)
1
15
2
Q3833
13
14
12
Q3834
SW CTL
9 10 11
DIGITAL MAIN PWB
AUDIO SIGNAL
BCLK
TO
LRCLK
DIGITAL
ACLK SIGNAL
PROCESS
AUX-ADATA
BLOCK
ADATA1 DIAGRAM
INPUT0
TO SYSTEM
INPUT1
CONTROL
BLOCK
INPUT2
DIAGRAM
Q3831
BUFFER
Q3832
BUFFER
TO SYSTEM
SCART-MUTE CONTROL
BLOCK
DIAGRAM