Kenwood DV-303 Service Manual page 17

KARAOKE MODEL ONLY
IC4671
VR4691
3 1
MIC1 AMP
IC3001-185
IC4671 IC4691
6.4Vp-p(10usec./div.) VR4692
5 7 2
IC3001 MIC2 AMP +
Except A770,A560,
A360 SERIES
K4202
AOUT0 185
K4201
SRCK 181
K4203
LRCK 179
IC4602
13
14
9 8
43 40 12
11
IC4612 IC4601
DSPTHURU
FROM
IC4251-7PIN
AOUT1 184
IC4602
5
4
5 6
44 41 3
9
IC4612 IC4601
FROM DSPTHURU
IC4251-7PIN
AOUT2 183
IC4602
1
3
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
3 5
A770,A560,A360,A270,A120 SERIES ONLY
MIC
VOICE DET TO
LEVEL
IC6001-51PIN
DET
IC4952 IC4951 IC4952
VR4952
1 6 7 2 9 2
ECHO 1
AMP AMP AMP
AMP
ECHO MUT FROM
IC6001-49PIN
IC4201
(AUDIO D/A CONVERTER)
FL
2 16
DACMUT FROM GAIN SEL
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
IC6201-70PIN
K570 ONLY
SBO1
FROM
IC6201-72PIN
NRST
FROM
2
EXTL
IC6201-79PIN
A770,A560,A360 SERIES ONLY
IC4211
(AUDIO D/A CONVERTER)
6
SL
2 16
DACMUT
FROM
3
IC4251-9PIN
SR 2
1 13
K570 ONLY
22 26 27 28
EXTR 6
STBDAC FROM
IC6201-59PIN
SBT1
FROM
IC6201-70PIN
SBO1
FROM
IC6201-72PIN
NRST FROM
IC6201-79PIN
IC4221
(AUDIO D/A CONVERTER)
CNT 6
2 16
DACMUT
FROM
3
IC4251-9PIN
2
SW
1 13
22 26 27 28
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
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
+
FROM MIC MUT FROM
IC6001-75PIN IC6001-50PIN
IC4321
2
1
+
IC4451
2 AMP 1 AMP
6
IC4306
IC4451
Except A770,A560, AMP
2 1
A360 SERIES
IC4441
IC4605 IC4601 IC4341 +
10 6
1 KARAOKE 17 SLVIR
AMP AMP
DSP
IC4381
5
FROM FS MUT
IC4251-8PIN
3
IC4341
7 10
AMP
K4382
IC4341
K4381
1
AMP
IC4381
1
IC4605 IC4601 IC4341
7 14 KARAOKE 21 SRVIR 2
AMP AMP
DSP
FS MUT
FROM
IC4251-8PIN
IC4382
IC4471 IC4471
2 1 6 7 5
AMP AMP
3
IC4361
A560 ONLY
7 10
AMP
K4383
IC4361
K4384
1
AMP
IC4382
1
2
Except A770,A560,
A360 SERIES
K4442
A MUT FROM
IC6201-3PIN
7
AMP K4441
IC4451
2
AMP
1
+
A MUT
FROM
IC6201-3PIN
IC4441
+
AMP AMP
7 1
2
IC4391 Q4401 IC4401
4 6
4 3 7
AMP AMP
SUR SEL
A MUT
FROM FROM
IC4251-12PIN IC6201-3PIN
IC4391 Q4411 IC4401
21 2
15 22 1
AMP AMP
9
SUR SEL
FROM
IC4251-12PIN
IC4392 Q4421 IC4421
4 4 3
AMP AMP
CNT SEL
A MUT
FROM FROM
IC4251-10PIN IC6201-3PIN
IC4392 Q4431 IC4421
21
15 22
AMP AMP
9
SW SEL
FROM
IC4251-12PIN
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
CNT OUT
ATTENUATOR
FROM
S4501
SW OUT