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4-7. KARAOKE, AUDIO I/O BLOCK DIAGRAM
TU-168 BOARD
I0-65
BOARD
J401
IC703
CN402
CN704
LINE-2
L2 IN
IN
CN705
7
3
12
L
14
3
13
AUDIO
R2 IN
5
5
2
R
15
5
1
10 11
IC706
5
7
TU A
V/A SW
TO/FROM
VIDEO CD
BLOCK(2/2)
CD-169 BOARD
(SEE PAGE 4-18)
TO/FROM
AUDIO BLOCK
MA-303 BOARD
(SEE PAGE 4-8)
TO/FROM
DISPLAY CONT
CD-169 BOARD
(SEE PAGE 4-10)
HI-66 BOARD
IC601
CN290
J601
5
7
CN291
Q298
9
9
RV290
1
BUFF
6
MIC
MIC IN
VOL1
J602
3
1
Q299
2
8
8
RV291
CN601
BUFF
5
MIC
VOL2
MJ-92
BOARD
MB-77 BOARD
IC520
J601
IC519
IC521
5
7
LINE-1
12
IN
3
14
13
L
15
AUDIO
3
1
1
5
R
5
3
2
10
9
IC507
CN604
3
1
7
IN A
IN B
5
7
5
IC500
CN605
ADATA
13
9
8
LEVEL
BCLK
2
SHIFT
3
17
LRCK
19
5
6
384FS
15
CN304
RESET
4
NP IN
9
Q590
EMPH
CN602
NT PB
1
IC503
3
1
PB EE L
14
PB EE R
5
7
CN801
12
MIC
23
CN605
CD MUTE
3
SO
10
SR CLK
5
K LAT
8
BLOCK
K REDY
6
CN304
P MUTE
11
SR DT1
7
CN601
CN601
CN603
6
4
4
IC502
2
1
5
5
5
CN602
EMPH
1N A
1N B
TO
IC751 2
1N A
VIDEO
IC751 4
1N B
BLOCK
(SEE PAGE
4-5)
16
4-13
1
REC L
7
REC R
IC509
IC511
IC510
D/A CONV.
3
1
2
D IN
VOUT L
16
3
LPF
7
Q600
3
BCK IN
VCD
1
LRC IN
IC512
MIX
5
7
5
XT1
VOUTR
13
3
LPF
7
25
MUTE
26
DM1
27
DM2
IC501
IC506
KARAOKE DSP
SURROUND
IC504
PROCESSOR
86
SI
IC518
87
BCK
3
5
AO1P
25
88
LRCK
LPF
7
22
L IN
L OUT
12
AO1N
26
2
82
BFOT
9
XRST
IC505
IC518
29
3
3
AIN1
AO2P
40
LPF
7
1
R IN
R OUT
11
36
AIN2
AO2N
39
2
22
AIN3
SURR1
8
SW1
SURR2
9
SW2
B.B
IC501 #™ REC/PB
7
B.B
3
RVDT
XTLI
33
X502
4
SCK
33.87MHz
5
XTLO
XLAT
32
6
REDY
5.8Vp-p (33.87MHz)
IC502
Q520
6
7
IC705
AV CONT.
S/P CONV.
SURR1
Q5
9
3
Q630
CLK
SURR2
Q6
10
2
DATA
B.B
Q7
11
Q521
MICDRYON
5
Q1
Q4
8
Q631
S.D
Q0
4
7
Q3
A OUT C
6
Q2
Q8
12
A OUT B
Q9
13
A OUT AL
Q10
14
A OUT AR
Q11
15
Q690
POWER
DET
IC515
EE L
2
VCD L
13
VCD R
14
KARA L
5
3
SURR L
15
SURR R
12
PB EE L
1
9
10
11
IC518
3
5
IC516
7
EE R
2
VCD L
13
VCD R
14
KARA R
5
3
SURR L
15
1
SURR R
12
PB EE R
1
9
10
11
Q665
MUTE
SW
4-14
SLV-7700KME/7700KML
CN602
REC L
18
REC R
16
TO
VCD M
AUDIO BLOCK
10
LINE OUT L
MA-303 BOARD
22
CN801
LIN OUT R
20
(SEE PAGE 4-8)
VIDEO CD
DIRECT OUT
L
Q661
AUDIO
MUTE
R
Q662
MUTE
J602
LINE-1
OUT
Q663
L
MUTE
AUDIO
Q664
R
MUTE
I0-65
BOARD
J402
CN604
CN402
LINE-2
1
L2 OUT
3
7
OUT
L
7
AUDIO
R2 OUT
5
5
R
Q660
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