Kenwood DPC-181, Service Manual

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A B D F H J C E G I
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0V
0V
22 21 20 19 18 17 16 15 14 13 12
34 35 36 37 38 39 40 41 42 43 44
TRV STOP
IN TV
PC
IN SP LDON
IN TR
IN FO VREF
DRVCC
AVDD
CRIP
TB RESET MRST EMP CLK START POWER CT PWMC COMPO CCMP1
23
24
25
26
27
28
29
30
31
32
33
11
10
9
8
7
6
5
4
3
2
1
TR-
TR+
FO-
FO+
PGND
RGND
SP+
SP-
TV+
TV-
VO
SVCC
VSEN
BSEL
SPRO
SGND
DRGND
IN
FB
OUT
DED
PVCC
20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
41
42 43 44 45 46 47 48 49 50
51
52 53 54 55 56 57 58 59 60
PMCK SMCK
RST
STAT
D MUTE
SUBQ SQCK
BLKCK
TLOCK
FLOCK SENSE
MLD
MDATA
MCLK
TX
DVSS1 DVDD1
SRDATA
LRCK BCLK
TES PLAY WVEL ARF IREF DRF DSLF PLLF VCOF AVDD2 AVSS2 EFH PCK TOFS SUBC SBCK VSS X1 X2 VDD
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
80
79
78
77
76
75
74
73
72
71
70
69
68
67
66
65
64
63
62
61
TRV
TVD
PC
ECM
ECS
KICK
TRD
FOD
VREF
FBAL
TBAL
FE
TE
RFENV
V DET
OFT
TRCRS
RF DET
BOO
LDON
SSEL
MSEL
PSEL
CSEL
RSEL
OUTR
AVSS1
OUTL
AVDD1
TEST
IOSEL
RESY
DEMPH
CRG
CLVS
FLAG
IPFLAG
FCLK
CLDCK
BYTCK
21 20 19
43 44
SEG1 SEG0
COM4
NEXT
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
SEG2
SEG3
SEG4
SEG5
SEG6
SEG7
SEG8
SEG9
SEG10
SEG11
SEG12
SEG13
SEG14
SEG15
MODE M
D CNT
MODE A
MODE B
STDBY
1
2
3
4
5
6
7
8
9
10
13
15
14
12
11
15
12
14
13
11
10
7
9
8
6
5
2
4
3
1
21 20 19 17 16
V DET
C SBAT
16
OFTA
LD OFF
13 14 15
BDO
TEBPF
C SBDO
CAOSS
10
11
12
C FNV C EV
TE-
TEOUT
ARF
FE OUT
4 7
FBAL
RF IN C AGC
9
FE-
RF OUT
8
TBAL
PDER
VCC RF_
6
PDFR
LDP
5
PDE
LDON
3
PDF
PD LD
2
PDAC PDBO
1
21 23 22 24 25 27 26 33 30 28 29 31 32 34 35 36
18 17
NRF DET
VREF
GND
ENV
19 20
R4A 33K
R5A 33K
R99A 150K
R6A 91
C103A
0.1
C104A
R110A 120K
31 30 32 33 37 35 34
150P
47K
R114A 0.047 C106A
R113A C107A
C108A
R116
0.1
C115A
2P
C116
C113A C112A C111A
C110A 2200P
39 36 38
39
38
37
36
35
34
33
32
31
30
8200P
1.2K
R174A
6.8K
R172A
R171A
R170A
R169A
R167A
R168A
21
20
19
17
16
19 18 17 15 14 13 12 11 10
9 8 7
2 3
1
80
79
78
69
63
100K
1M
220u6.3
+
0.022
C165A 1
0.022
C164A 0.1
22K
R401A
1
C169A
R182A
S1 S0 C4
C135
0.1
100u6.3
+
+
22u16
R140A
+
4.7u50
R123A
0.1
0.022 4.7K
C138
C139
R119A
35 36 11
C128A
C502A
1
68K
R501A
390P
R121A
C130
22K
C131
47P
R122A
R502A
100K
C124A
C123A
0.1
C121A
C125A 1
47u10
C127
+
100u6.3
C126
+
-
+
-
+
PD2
PD1
E
PD
LDVR
GND
LD
VCC
VC
F
NC
TRK-
TRK+
FCS-
FCS+
R115A
150K
C159A
R100A
820K
R7A
820K
R8A
+
F.C
T.C
65
64
63
R201A
1
100u6.3
+
R40A
C129 470K
33uH L102
0.1
0.1
C134
3.9K
C137
220K
R184A
100u6.3
C117
+
R125A
22K
22u16
+
1
4.7K
R180A 47K
C114A
R112A
C105A
100K
R111A
470P
C510A
R22A
R177A 47K
52
C203 R202A
4.7u50
+
47K
C301 2700P
C302 300P
R320A 5.6K
C201 2700P
C202
R220A 5.6K
300P
+
C303
4.7u50 47K
R302A
SP+
SP-
SL+
SL-
16 13 14 15 10
11
12
4 7 9 8 6 5 3 2
1
18 17
C1
C2 C3 C4
S0 S1 S2 S3
S4
S5 S6 S7 S8 S9
S10
S11
S12 S13
C118A
R46A
10
1K
R166A
R301A
1
C177A
11
10
R47A
1000P
C161A
R178A
R179A
C163A
6.8K
15K
X1
33.8688MHz
C166
0.027
47K
R109
220K
22K 0.022
0.1
12K
1
2200P
0.027 100P
150K
0.1
C122A
TR-
TR+
FO-
FO+
FO+
FO-
TR+
TR-
47
46
0.01
R136A
10
100u10
C152 +
C136
27K
R124A
100u6.3
C133
+
0.1
C132
1
47K
10K
33K
5.6K
R173A R175A
1K
1K
C171
C172A
470
S13
S12
S11
S10
S9
S8
S7
S6
S5
S4
S3
S2
VCC
VC
41
0.1
C109A
1
C120A
C501
52
41
C160A
4700P
100K
C162A
680
R181A
56
13
R183A
100
JP14
JP16
+3.2V B
+3.2V B +3.2V B
+3.2V B
+3.2V B
+3.4V
+3.4V
+3.4V
+3.4V
+3.4V
+3.4V
+3.2V B
+3.2V B
+3.2V B
+3.2V B
+3.4V
+3.4V
+6.2V
+6.2V +6.2V
+6.2V
+6.2V
+6.2V
+6.2V +6.2V
+3.2V B +3.2V B
+3.2V B
+6.2V
+3.4V
+6.2V
+3.2V C
+3.4V
+3.4V
+3.2V A
+3.2V A
+3.2V A
+3.2V A
+3.2V A
+3.2V A
+3.4V +3.4V
R189A
10
+3.4V
+3.4V
10K
+3.4V
0V 0V
1.6V 1.6V 1.6V 1.6V 1.6V 1.6V 1.2V 1.6V 0V 0V 0V 1.6V
0.2V
2.0V 3.2V
3.2V
1.6V 0.2V 1.6V
1.9V 1.5V
1.4V 2.1V 1.8V 1.8V 0V 0V 0V 0V
6.2V
0.7V
1.1V
0.9V
6.2V
3.4V
0.2V
0.4V
3.1V
3.1V
3.4V
1.6V 0V 1.6V 1.6V 3.2V 1.6V 1.6V
0V
1.5V
0V
0V
0V
0.3V
0.2V
0.6V
0.2V
0V 3.4V 6.1V 1.6V 3.3V 6.1V 0.7V 3.3V 0.2V
6.2V
1.0V
6.2V
2.8V
1.8V
2.0V
0V
0V
0V
3.2V
0V
3.2V
1.6V
1.6V
3.2V
1.6V
1.1V
1.7V
1.6V
1.6V 1.6V 3.4V 2.0V 0V 1.9V 3.3V 0.2V 0V 0V 0V 3.3V 0V 1.3V 1.6V 0V 1.6V 1.6V 1.6V
3.2V
1.6V
1.6V
1.6V
1.5V
1.6V
1.6V
1.6V
1.6V
0V
1.6V
1.9V
3.2V
0V
0V
1.2V
0V
0V
1.6V
1.6V
1.6V
0V
1.6V 1.1V 3.2V 1.6V 1.6V 1.4V 1.3V 0V 3.4V 1.6V 1.6V
3.2V
3.2V
1.7V
1.7V
0V
M M
IC2
IC4
IC1
LC101
MECHA. ASS'Y
RF AMP
D104
SW
LMT. FEED
MOTOR
MOTOR
DISC
LD
PD
D102A
DAD & DSP
BTL DRIVER
CN4
SP1
SL1
Q102
Q6
Q104
E
A D
B C
PICKUP
F
NO. COM.1 COM.2 COM.3 COM.4
L4 L3 L2 L1 1
L5 L6 L7 L8 2
1a 1f
1g
1e 3
D.A.S.C 1b 1c 1d 4
2a 2f
2g
2e 5
P.MODE 2b 2c 2d 6
3a 3f 3g 3e 7
REPEAT 3b 3c 3d 8
4a 4f 4g 4e 9
:
4b 4c 4d 10
5a 5f 5g 5e 11
B.BOOST 5b 5c 5d 12
6a 6f 6g 6e 13
C 6b 6c 6d 14
COM.4 15
COM.3 16
COM.2 17
COM.1 18
P.MODE D.A.S.C. B.BOOST REPEAT C
1 2 3 4 5 6
L1
L8
L2
L3
L4 L5
L6
L7
a
b
c
d
e
f
g
DPC-183/383(K) PCB/SD( 98.4.24 5:12 PM y [ W 3