Kenwood DP-SE7 Service Manual page 10

K L
ELECTRIC UNIT
(X25-6000-XX)
Q Q
3 7 6 3 1 5 1 5 0
LOADING MOTOR
4.5V
DRIVER
( 40 )
IC9
4.5V
( 39 )
4.7V
( 38 )
4.6V
( 37 )
0.5V 0.5V
TRAY 4.7V
OPEN: 4.4V
R75
WH1 CLOSE: 0.7V 2.3V
100K 2.3V
CLS SW 1
TM- 2
R80
OPN SW 3
R74
10K
47K
0V
TM+ 4
GND 5
4.7V
+5V +5V
R73
0V
47K
4.7V
( 27 )
4.7V
( 26 )
4.7V
( 25 )
CN2
7.1V
+7V 1 +7V
MGND 2
+B
T E 4.7V
L 1 3 9 4 2 2 9 6 5 1 3
D+5V 3
DOUT 4
DGND 5
RST 6
+
C4M 7 34 R17 1.2V
MON 8 100
4.4V
VDD
SCOR 9
SENSE 10 40
DATA 11 39
LAT 12 38
CLK 13 37
1
SUBQ 14 11 NC
2
SQCK 15 9 MCKTH
2.2V 3
LRCK 16 BCKI
4
PCMD 17 DATAI
C50
BCK 18 2.3V
33P
5
EMPH 19
LRCKI
6
MCK 20
NRAMRS
7 IC5
NFRNT
8
DRON
9
NNODR
10
P/S
11
( 25 ) SDATA 4.7V
12
( 26 ) SCK
4.6V
13
( 27 ) SGATE
14
SDAC
15
8FS
w w w VDD
Q4 C17
0.01
INVERTER
.
(EMPH CONT.)
M N
+5V +5V
D6 D7 R78 R79
4.7K 4.7K
OPEN: 0V
CLOSE: 4.7V
OPEN: 4.7V
CLOSE: 0V
40
SENS
39
DATA
38
LAT
37
CLK
36
RMUTE
35
X2
34 IC4
X1
33 u-COM
VSS
32
(BOTTOM VIEW)
XT2
31
DEFECT
30
REF
29
AVDD
28
NC
27
SGATE
26
SCK
0V
25
SDATA
+7V
+B
4.7V
+5V
X1
16.93MHz
+
R57 1M
VDD
45
DACTEST2
44
0V RESETN
43
RZ 43
C41
42 100u10
GNDAR
2.8V
+
41
C57
1.8V
RO+ 41
22P C42
40
RO- 40
0.1
39 4.6V
VDAR
38
+
VDAL
C43
0.01
37 1.8V
LO-
36 2.8V
LO+
35
GNDAL
34 0V
LZ 34
33
DACTEST1
32
DACTEST0
31
NC
VDD
4.6V
R52 470
x a o
y
R51 470
R50 470 i
O P
CN3
27 GND
26 REM
+5V 25 +5V
( 13 24 KR0
)
( 12 ) 23 KR1
( 80 ) 22 G1
( 1 ) 21 G2
( 2 ) 20 G3
( 3 ) 19 G4
( 4 ) 18 G5
( 5 ) 17 G6
65 -5.7V
SA 65 ( 6 ) 16 G7
66 -2.2V
SB 66 ( 7 15 G8
)
67 -2.2V
SC 67 ( 65 ) 14 SA
68 -5.7V
(
SD 68 66 ) 13 SB
69 -5.7V
SE 69 ( 67 ) 12 SC
70 -5.7V
SF 70 ( 68 ) 11 SD
71
VLOAD -30V ( 69 ) 10 SE
72 -24.1V
SG 72 ( 70 ) 9 SF
-24.1V
73
SH 73 ( 72 ) 8 SG
74 -20.5V
SI 74 ( 73 ) 7 SH
75 -27.7V
SJ 75 ( 74 6 SI
)
76 -24.1V
SK 76 ( 75 ) 5 SJ
77 -27.7V
(
SL 77 76 ) 4 SK
78
NC ( 77 ) 3 SL
79
NC 2
80 -24.3V
4.7V
1G 80 1
C58
P1
0.01
-30V
+
+7V +7V
Q Q
+B
3 7 6
+5V +5V
4.0V
R29
3.3K
A
R101
C25 100
R47
2.2 R53 R91 2
+5V AVDD
-
4.7K 5.1K
3
+
D/A CONVERTER
0.6V
IC6
R55 R93
1 24 4.7K 5.1K
DVSS DZFL
2 23
DVDD DZFR R21 R25
22
AVDD AVDD 10K 10K
3
CKS 21 B
VREF
4 C39
MCLK 330u6.3
R19 R23
5
+
PD
20 10K 10K
AVSS
R20 R24
6 19
BICK AOL+ 41
( )
7 18 10K 10K
SDATA AOL-
8 17
LRCK AOR+
9 16
R22 R26
SMUTE AOR-
( 40 )
10 15 10K
10K
DFS DIF2
11 14 C40
DEMO DIF1
12 13 0.1
R56 R92
DEM1 DIF0
4.7K 5.1K
0.6V
5
+
R54 R94
4.0V 6
-
4.7K 5.1K
C26
R30 3.3K
u 1 6 3
.
Q R
2 4
8 CN3 9 9
MODEL NAME UNIT No. 1pin 2pin
DP-SE7/SE7(G) X14-4520-21 F1 F2
DP-SE9 X14-4530-21 F2 F1
R108
22
-30V AVR
-27.5V (SE7) R107
Q1
-29.5V (SE9) 22
-30V -30V
-36.8V
-28.4V
+
+7V +7V
4.7V 7.1V
+5.0V AVR
R106
Q3
1
+5V +5V +5V
1/4W
+
IC3 IC2
C7
1.2V 0.047
OUT IN VREF OUT
GND + GND
6.5V
RESET
+B
+B
3 1 5 1 4.7V 5 0 8 9 2
+5V +5V
C49 +
100u10
4.7V
+5V +5V
Q5
+2.5V
CONSTANT Q5
CURRENT
IC7,8
BUFFER
R35
POST AMP
10K 4.6V R13
100
L.P.F.
+
4.6V
8
1 R31 R33 2 8 C31 R39
1 47u35 1K
-
4.7K 1.5K 3
+ +
4
IC7
MUTE
4 IC8
4.6V
(2/2)
ON: 0.7V
(2/2)
OFF: 0V
Q13,14
R MUTE
CONT.
0V Q7
R46
Q13
1K
Q9
Q7,8
MUTE
Q10
Q8
R45
1K
Q14
MUTE
ON: 0.7V
OFF: 0V
IC8
IC7
(1/2)
(1/2) 5 C32 R40
R32 R34 + 7 47u35 1K
4.7K 1.5K
7 6
+
-
Q9-12
4.6V
R102
MUTE CONT.
100 4.6V
m
R36
4.6V
10K
c o
Q12 Q11
S T
2
8 9 9
CN1
D1
6 VFL
AC4.0V
+ 5
AC4.0V
4
3 GND
2 GND
+7.0V AVR
R105
Q2
2.2
+7V +B 1 +B
1/4W
+
10.0V
IC1
1.2V 9.1V
VREF OUT
+ GND
+B
R85
D8
330 SDATA
R87
J2
100K
R86
D9
330 SBUSY
SGND
R88
100K
SYSTEM
D10
CONTROL
GND
4 9 8 2 9 9 A1
1
D. OUT
DIGITAL
2
+5V +5V OUT
3
(OPTICAL)
GND
R41
100
J1
2 Lch
1 Rch
R42
100