Kenwood DV-303 Service Manual page 16

QQ
3 7 6 3 1 5 1 5 0
KARAOKE MODEL ONLY
IC4671
VR4691
3 1
MIC1 AMP
IC3001-185
IC4671 IC4691
6.4Vp-p(10usec./div.) VR4692
5 2
7
IC3001
MIC2 AMP +
Except A770,A560,
A360 SERIES
K4202
AOUT0 185
K4201
SRCK 181
K4203
LRCK 179
IC4602
13
9 8
43 40 12
IC4612 IC4601 11
DSPTHURU
FROM
IC4251-7PIN
AOUT1 184
IC4602
5
5 6
44 41 3
TE
9
L 1 3 9 4 2 2 9 6 5 1 3 IC4612 IC4601
FROM DSPTHURU
IC4251-7PIN
AOUT2 183
IC4602
1
3 4
45 42 2
10
IC4612 IC4601
FROM DSPTHURU
IC4251-7PIN
KARAOKE MODEL ONLY
IC4241 IC4751
4 7
2 1
IEC OUT 174
K4751
IC4751
2
6
IC4751
5
3
www
A770,A560,A360,A270,A120 SERIES ONLY
MIC
VOICE DET
TO
LEVEL
IC6001-51PIN
DET
IC4952 IC4951 IC4952
VR4952
6 2 2
1 7 ECHO 9 1
AMP AMP AMP
AMP
ECHO MUT
FROM
IC6001-49PIN
IC4201
(AUDIO D/A CONVERTER)
FL
2 16
DACMUT GAIN SEL
FROM
3
IC4251-9PIN
FR
1 13
22 26 27 28
STBDAC
FROM
IC6201-59PIN
IC4201-13,15
0.6Vp-p(0.5msec./div.)
SBT1
FROM
14
IC6201-70PIN
K570 ONLY
SBO1
FROM
IC6201-72PIN
NRST FROM
EXTL
IC6201-79PIN
A770,A560,A360 SERIES ONLY
IC4211
(AUDIO D/A CONVERTER)
SL
2 16
DACMUT FROM
3
IC4251-9PIN
SR
1 13
K570 ONLY
22 26 27 28
4
EXTR
STBDAC
FROM
IC6201-59PIN
SBT1
FROM
IC6201-70PIN
SBO1
FROM
IC6201-72PIN
NRST FROM
IC6201-79PIN
IC4221
(AUDIO D/A CONVERTER)
CNT
2 16
DACMUT FROM
3
IC4251-9PIN
SW
1 13
22 26 27 28
3
STBDAC FROM
IC6201-59PIN
SBT1
FROM
IC6201-70PIN
SBO1
FROM
IC6201-72PIN
NRST
FROM
IC6201-79PIN
IC4781
DIGITAL AUDIO OUT
3
OPTICAL
K570 ONLY
T4761
JK4771
DIGITAL AUDIO OUT
1 4
COAXIAL
3 6
x a o
. i
A112,A115,A120
A270,K520 SERIES ONLY
IC4461
AMP
IC4461
IC4691 AMP
6
7
AMP
Except A770,A560,
A360 SERIES
A770,A560,A360
IC4451
SERIES ONLY
6
AMP 7
IC4306 IC4321
6
6
AMP 7 AMP 7
+
MIC MUT
FROM FROM
IC6001-75PIN IC6001-50PIN
IC4321
2
1
+
2 AMP 1 AMP
6
IC4306
IC4451
AMP
Except A770,A560,
2 1
A360 SERIES
IC4605 IC4601 IC4341 +
2 10
1 KARAOKE 17 SLVIR
AMP AMP
DSP
IC4381
5
FROM FS MUT
IC4251-8PIN
3
IC4341
6
7
AMP
K4382
IC4341
K4381
2 1
AMP
IC4381
1
IC4605 IC4601 IC4341
6 14
7 KARAOKE 21 SRVIR 2
AMP AMP
DSP Q Q
3 7
FS MUT
FROM
IC4251-8PIN
IC4382
IC4471 IC4471
2 1 6 7 5
AMP AMP
3
IC4361
A560 ONLY
6 7
AMP
K4383
IC4361
K4384
2
1
AMP
IC4382
1
2
u 1 6 3
y
2 4
8 9 9
Except A770,A560,
A360 SERIES
K4442
A MUT
FROM
IC6201-3PIN
IC4451
7
AMP K4441
IC4451
2
AMP
1
+
A MUT FROM
IC6201-3PIN
IC4441 IC4441
+
AMP AMP
6 7 2 1
IC4391 Q4401 IC4401
4 4 6
3 7
AMP AMP
10
SUR SEL
FROM A MUT FROM
IC4251-12PIN IC6201-3PIN
IC4391 Q4411 IC4401
15 21 22 2 1
AMP AMP
6 3 1 5 1 5 0 8 9
9
SUR SEL
FROM
IC4251-12PIN
IC4392 Q4421 IC4421
4
4 3
AMP AMP
10
CNT SEL
FROM A MUT FROM
IC4251-10PIN IC6201-3PIN
IC4392 Q4431 IC4421
15 21
22
AMP AMP
9
SW SEL
FROM
IC4251-12PIN
m
c o
.
2
8 9 9
0.7Vp-p(0.5msec./div.)
FL OUT
ATTENUATOR
FROM
S4501
FR OUT
EXCEPT A112
A115 SERIES
Lch OUT
ATTENUATOR FROM
S4501
Rch OUT
SL OUT
ATTENUATOR FROM
S4501
SR OUT
2 4 9 8 2 9 9
CNT OUT
ATTENUATOR FROM
S4501
SW OUT