Kenwood DPF-1030 Service Manual page 7

K L
+5V
VDD
+ +
53
52
51
50
4.9V
VCC
FEBAL
48
NC
R38
FOSTA
47 2.5V 4.7K
NC
CLK
TOSTA
CE
C26
46 2.5V 4.7u50
2FREQ
FSC
CL
+
LASER
P-ON RES
DGND 45
FSTA
DAT
8/12CM
SLI 44 2.4V
REF
SLOF
R35
SLC 43 2.6V
47K
2.4V
R33 R34 C23
RFS- 42
4.7K 1K 27P
REF
R31 C22
41 2.2V 470 2700P
RFSM
RF
40 0.3V
CV+
39 0V
REF JP- CV-
38 0V
SLOF
JP
JP+
REF CV-
R76
37 0V 3.3K
HFL
36 R77
TES
3.3K
CV+
35 0V
TOFF
34 4.8V
TGL
OR
REF
REF
33 0V
JP+
TO
SPOF
2.5V
2.4V 2.4V
2.5V 2.5V 2.5V
2.5V C17
0V
C21
100P
3300P
R25
39K
C15
+
4700P
+
+
VDD
+7.2V
29V
M N
+5V
VDD
R55
1M
4.8V
XL1
4.0V
2.2V
R39
1K 0V 1
DEFI
2
TA1
C51 R51
0.047 680 2.6V 3 PDO
XTAL SYSTEM
TIMING GENERATOR
4
VVSS
C52
0.047
2.2V 5 ISET
C1C2 ERROR
DETECTION
C63 &CORRECTION
100u10 FLAG
PROCESSING
+
R64 4.8V
6
VDD VVDD
18
C61
1.3V 7
RAM
FR
ADDRESS
100P
8
GENERATOR
VSS
9
EFMO
R37 2.4V 10 EFMO
2kX8bit
33K
11 EFMIN
2.6V
RAM
12
TEST2
R66 13 CLV+
3.3K
INTERPOLATION
R67 14 CLV-
MUTE
3.3K
R68 15 V/P
3.3K
16 FOCS
LEVEL METER
17
FST
PEAK METER
18 FZD
0V 19
HFL
u-COM
20
INTERFACE
TES
21
PCK
22 FSEQ
R69
3.3K SERVO
0V 23 TOFF
COMMANDER
8X OVERSAMPLING
R70
4.8V 24 TGL DIGITAL FILTER
3.3K
0V
4.9V
VDD VDD
+
+7.2V
29V
O P
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
+5V
VDD
+8V
IC102
HEADPHONES
AMP
C127 R141
10u16 10K
+
IC2
DSP
C128 R142
10u16 10K
RWC 64 0V +
63
WRQ
FSX 62
SBCK 61
8V
SUBCODE
SEPARATE
SFSY 60
Q CRC
59
PW
EFLG 58
57
SBSY
56
DOUT
DIGITAL
OUT
MUTER 55
R59
18
54 4.9V
RVDD VDD
RCHP 53
R103
6.8K
RCHN 52
+
51
RVSS
50
LVSS
LCHN 49
LCHP 48
R104
6.8K
47 4.9V
LVDD
VDD
MUTEL 46 4.9V
C2F 45
ROMXA 44
8V
CK2 43
LRSY 42
USLRCK 41
ANT!SHOCK
INTERFACE
C310
330P
R341
10
+5V
+
Q203
MUTING
CONTROLLER
ON: 1.7V
VDD
OFF: -7.8V
ON: -7.8V
OFF: -5.8V
ZD205
R211
10K
Q203
-7.9V
+
+
+ 9.6V
+
-29.5V
D213
R214
29V
1
Q202
-29.0V -36.8V
-36.5V
29V AVR
+7.2V
Q R
CNS401
CNP5
16 17 18 19 20 21 22 23 24 25 26 27 28 29
R334
D301
330 SYSTEM
CONTROL
JK2
R336 100K SDATA
46
R337 100K SBUSY
45 SL16
D302
R335
330
XS8
IC103
R61
1K 1
DIGITAL
R62
2 OUT
VDD
3.3
3
OPTICAL
+8V R149
100
R701 10
CNP702 CNP701
2 8 R147
R143 1 56 Lch R702 10
1K 3 3 3
IC102
Lch
(1/2)
L701
GND
2 2
2.2uH
IC102
Rch
R144 (2/2)
1K 5
7 R148 Rch
6 1 1
56
4
R150
100
8V
+8V
C109 R115 C140
120P 12K 100P
Lch
C143
R101 R105 R109
1.5V 100P MUTING
6.8K 4.7K 6.8K IC101
(1/2)
2 8 C121 R119 R121
R107 R111 1 22u25 330 330
4.7K 6.8K 3
+
0V R125 R127
1K 1K
1.5V
Q101 Q103
OPE AMP
Q102 Q104
1.5V R126 R128
0V
R108 R112 1K 1K
4.7K 6.8K 5 C122
7 22u25 R120 R122
6
+
330 330
R102 R106 R110 4 IC101
1.5V
(2/2)
6.8K 4.7K 6.8K ON: 1.7V
OFF: -7.8V
Rch
C142
C110 R116 100P
120P 12K
8V
+5V AVR
+7.2V
R221 +7.2V AVR
C208 1000P 2.2
12.0V
+B
12.8V
R223
Q201
D218 D210
2.2
5.0V IC203
1/4W
3
11.7V
11.7V
OUT IN
+
1
GND 7.8V
+
2
D217
D216
C227
C226
IC201
0.01
8.0V IC201 0.01
+8V AVR
R203
2.2
+8V OUT IN +B
1 3
GND 12.8V
+
2
D215 D214
C225 C224
0.01 0.01
+ +
3
GND
1 2 R205
8V OUT IN B B
2.2
D212 -7.9V
-14.6V
IC202
-8V AVR
R224
10
S T
DPF-2030 ONLY
JK3
HEAD-
PHONES
R123
100
JK1
Lch
OUTPUT
Rch
R124
100
C201
0.01
D202
D201
CNP201
1
2
3
4
5
6
7