Kenwood DPF-1030 Service Manual page 6

A B
MAIN PWB
1
CD PICKUP UNIT
CNP2A
PICKUP
LTOH30P1
7
R80 82K
CNS1 CNP1
K 6 K
R79 82K
C 1 1 1
R84 82K
E
5 E F 2 2 2
R81 82K
A B
F E B 3 3 3
2 C R82 82K
B
4 B A 4 4 4
R83 82K
A
3 A E 5 5 5
F
2 F K 6 6 6
R85 47
C
1 C 7 7 7 VCC
CNP1A
LD
8 LD
PD
7 VR
6 PD
GND
5 GND
ACTUATOR
TR-
FO-
4 FO-
3
FO+
3 FO+
TR+
2 TR+
1 TR-
IC1 : LA9241M
IC2 : LC78620E
IC3 : M56748FP
CNS4 CNP4
IC4 : TA7291S
M3
IC101,102 : NJM4565DD M 1 1
LOADING
IC103 : TOTX178A-1
2 2
IC201 : KIA78S08P
3 3
IC202 : NJM79L08A
CLOSE
4
IC203 : KIA78S05P 4 4
SW2
IC301 : IX0346(DPF-1030)
CLOSE SW
IX0299(DPF-2030)
5 5
IC302 : KIA7036AP OPEN
Q1,202 : KTA1266GR
Q3 : KTA1271Y
Q101-104 : 2SC2878B
Q201 : KTC2026
Q203 : KRC102M
D1-4,201-204,211,301-304,
701,702 : 1SS133
D210,212-218 : 1N4004S
ZD202 : MTZJ30B
ZD203 : MTZJ5.6B
ZD205 : MTZJ8.2B
5
CNS2 CNP2
TR- 1 1 1
TR+ 2 2 2
DIGITAL LINE
FO+ 3 3 3
SIGNAL LINE
FO- 4 4 4
GND LINE
GND 5 5 5
B LINE
+B
B LINE PD 6 6 6
B
VR 7 7 7
LD 8 8 8
6
CNS3 CNP3
SP+
M
DISC 6 6 6 6
SP-
5 5 5 5
SL+
M
SLIDE 4 4 4 4
SL-
3 3 3 3
PU-IN
2 2 2 2
PU-IN
1 1 1 1
7
C D
VCC VCC
+5V
C309
100P
40
NC
39
HF
4
R321
38
16BIT
3.3K
R320
37
37 COIN
3
1K
R319
VREF 36
36 WRQ
XL301
3.3K
4.19MHz
35
XO
C308
34
XI
1000P
33
VSS
32
31
XT2
4.1V 30
+5V AVREF
R318 29
R317 AVDD
10K 3.3K 28
K3 KEY3
R316
R315
10K 3.3K 27
K2 KEY2
R314
R313
10K 3.3K 26
K1 KEY1
R312
R311
10K 3.3K 25
K0 KEY0
3
7
23
24
LOADING DRIVER
IC4
2.5V
7.2V
2.5V
C38 18
R78 R47 100u10
+
22K 10K
6
3
19
7
7
6
13
12
6 12
8
13
D4
16
4.4V R42 2.5V
+ 82K
7.2V
4.9V
31
30
24
25
+7.2V
E F
VCC VCC
+5V +5V
R332 +
10K
4.5V
4.1V
0V 0V
65 -7.7V
d D
66 -16.7V
e E
67 -16.7V
f F
68 -28.5V
g G
69 -22.5V
i I
-29.0V 70 -22.5V
J J
IC301
71
29V
u-COM VLOAD
72 -16.7V
K
(BOTTOM VIEW) K
73 -19.7V
L L
74
NC
75
NC
76
NC
77
NC
78 -27.2V
9G 9G
79 -27.2V
8G 8G
80 -27.2V
7G 7G
MUTING ON: 0V
OFF: 3.5V
4.1V 4.1V
4.1V
RESET IC
4.0V 4.1V
+
13
IC302
+5V +5V
4.1V
IC3
1 BTL DRIVER
2 36
35
1CH
34
STAND
3
BY
4 2.5V 33 R44
12K
5 32
6 31
31
7 30
30
8 29
9 28
10 27
11 26
12 25
TSD
25
13 24
24
14 2.5V 23 R45 R46
10K 22K
15 2.5V 22
2.5V 21 R43
20 10K
+7.2V
19 6.5V
16
7.2V
17
18
5.9V
4.9V
+7.2V +7.2V
VDD VDD VDD
+
+7.2V
G H
VCC
+5V
VCC
8
ON: 3.5V
OFF: 4.9V
C2
47u10
62K
1 FIN2
REF
2 FIN1
REF
3 E
3
REF VCR
4 F
4
REF
VCR
C3
0.1
2.5V 5 TB
BAL
R3
6 TE-
15K
2.5V REF
2.5V 7 TE
REF
C4
1000P R4 C5 8 TESI 2.5V
HIST. COMP
2.2K 0.033
R5 C6 9 SCI 2.5V
SHOCK:WCOMP
6.8K 0.033
R6 C7
100 0.1u50
+
C8 10 TH 2.5V
0.068
11 TA
R7 C9
1K 0.047 12 TD-
REF
2.5V
2.5V
R9 R8
27K 12K
13 TD
R10
2.5V 14 JP
JP
3.3K
REF GEN
REF
2.5V 15 TO
29
2.4V 16 FD
Q3 Q3
+4.9V
AVR
R16
C66
22K
680P
VREF
VDD VDD
+7.2V +7.2V
29V 29V
I J
+5V
Q1
L D
CONTROL
R60 1
VDD
C34
1000P
+
ON: 1.8V +
OFF: 1.5V
+
R41 12
Q1
C35
100u10
+
ON: 2.7V
OFF: 4.3V
2.5V
REF
FE1 RF
DEF
REF
5K
HFL
5K
-
VCR
DRF
-
VCR
IC1
VCC
RF SERVO
REF
TGL1
GL
PSTR
THDL
THD
WCOMP
FSC
REF
- GEN
REF
TO
REF
FOF
GEN
REF
2.5V
2.5V
2.4V 2.5V
R11 2.5V 2.5V
C13
33K
330P
R12 C12 R17 R19 R20 C14 R18
15K 0.1 10K 47K 1.5K 0.01 82K
VDD
+7.2V
29V