Kenwood DPC-397 Service Manual page 6

A B
MECHA. ASS'Y
(KSM-620AAA)
1
CN4
PD2
6 6
PD1
7 7
PICKUP
E
E 8 8
PD
9 9
LDVR
10 10
NC
A D
5 5
B C
GND
11 11
LD
LD
12 12
F
VCC
VCC 13 13 +2.6V
+
VC
VC 14 14
F
15 15
AL
16 16
2
TRK-
4 4 9
TRK+
1 1 7
FCS-
2 2 3
FCS+
3 3 5
LMT. FEED DISC
SW MOTOR MOTOR
M M
3
SP1
SP+
31
SP-
29
SL1
SL+
27
SL-
25
R119A 39K
C129
1u50
4
C130A 1000P
C131A 1000P
5
DC-DC
CONVERTER
IC10
6
HI/ST: 2.8V
OFF: 0V
55
7
C D
IC1
RF
C103A
AMP
0.022
C116A
R99A
C104A 470P
10K
0.022
R111A
100K
R8A
0V
47K
1.3V
C115A
150P
2.6V 1.3V
1.4V
1.3V
TP
C107A 0V
2P
R116A
15K
C120A
1
R114A R115A
C106A 6.8K 3.3K
47P
+2.6V
+
1.9V
C152
47u10
+2.8V
LD
+
1.8V CONTROL
Q104 2.6V
5.5V
+5.5V +5.5V
0V
C126A C121A
1000P C122A 0.1
0.1
0.2V 0V
44
PREGND
12
D.GND C142A 1000P
43
CN3
13
0V 0V
ESP 42 C141A 1000P
14 CN4
C127A PC 41
1500P ERR4 27
1.2V 15
CT
40
ERR3 28
1.6V 16
RT
17
39
CLK
IC2 VC 29
2.8V
18
VG
+ BTL DRIVER
D104
R120A
19 0.9V 38
LG ERR1 25
37 18K
20
0.5V ERR2 22
CN1
36
21 PREVCC +2.8V
CN2
0V 0.4V
22 35 C153A
CH1 MUTE OP OUT
220P
34
OP
0V
0.2V
C124A C123A
0.1 0.1
5.5V
+5.5V
+2.8V
C138
100u6.3
C137A
0.1
2.8V
+
+5.5V
C128A
2.8V
1
5.2V
1.3V
R123A C140A
4.7K 0.022
HI/ST: 0V
OFF: 2.8V
Q6
+5.5V
+
5.5V
C502A
1 R502A
Q105
33K
D.A.S.C 0.6V
CONTROL
POWER ON: 0V
E F
LC101
L1 L2 L3 L4 L5 L6 L7 L8 L9
REPEAT BASS BOOST
D.A.S.C.
a
f
ST HI
b
g
e c
PGM d
1 2 3 4 5
+2.6V
R126A
47
+B
+2.8V
+
1.4V 1
R184A
1 COM4
47K
1.4V 2
2 COM3
1.4V 3
3 COM2
1.4V 4
4 COM1
5
VLC3
0.9V
6
VLC2
R1A
10K 1.9V 7
VLC1
8
+2.8V VDD
2.8V
C3A
0.1 9
OSC2
1.3V
10
10 SMCK
u-COM
11
VSS
12
X1
13
X0
14
MMODO
15
VREF-
2.8V 16
16 KEY1
2.8V 17
17 KEY2
2.8V 18
RECHARGE OUT
19
BATT.
20
20 HOLD
0V 21
21 DOOR
0V 22
22 DASC ST.
0V 23
23 DASC HI
24
+2.8V VREF+
25
2.8V POD
C11A
0.022
+5.5V
G H
PIN u-COM
COM1 COM2 COM3 COM4
No. PIN No.
1 4 COM1
2 3 COM2
L10
3 2 COM3
4 1 COM4
C
5 100 1a 1f 1g 1e
6 99 PGM 1b 1c 1d
2g
7 98 2a 2f 2e
8 97 REPEAT 2b 2c 2d
9 96 3a 3f 3g 3e
10 95 BASS.BOOST 3b 3c 3d
11 94 4a 4f 4g 4e
6
12 93 4b 4c 4d
5g
13 92 5a 5f 5e
14 91 C 5b 5c 5d
15 90 6a 6f 6g 6e
16 89 L5 6b 6c 6d
17 88 L4 L3 L2 L1
18 87 L7 L8 L9 L10
19 86 L6 DASC ST HI
+2.6V +2.6V
+B
+2.8V +2.8V
+
75
SEG25
74
P80
1.4V
73
P81
+2.8V
72
DIGITAL OUT
0V 2.8V
Q116
+2.8V
71
P83
70
P84
69
P85
68
2.8V
P86
67 2.8V
RST 67
IC3
66
STAT 66
65 0V
TLOCK 65
64 0V
FLOCK 64
63 0V
SENSE 63
62 2.8V
MLD 62
61
LIGHT OUT
60 0V
RECHARGE
59
P70
58
P67
57
P66
56 2.8V
EMP 56
55 2.8V
LMT 55
54
BBS
53
CONT. 53
52
REM DATA
51 2.8V
POWER 51
0V
+5.5V
39
I J
R166A
1K
21
R168A TRV
27K 0V 22
22 TVD
0V 23
23 PC
R169A
33K 1.3V 24
ECM
R170A
5.6K
1.3V 25
25 ECS
R171A
100K 1.3V 26
KICK
1.3V
R174A
6.8K
27
27 TRD
R175A
1.2K
28
28 FOD
29
29 VREF
1.3V 30
30 FBAL
1.5V 31
31 TBAL
1.2V 32
32 FE
1.3V 33
33 TE
1.3V 34
34 RFENV
35
V DET
0V
36
36 OFT
37
TRCRS
0V 38
38 RF DET
0V
39
39 BDO
1.5V
2.6V 40
40 LDON
C161A R177A R178A
1000P 68K 180K
+2.6V +2.6V
+B
2.2V
+2.2V
2.2V
1
+2.2V VDD
0V
2
UC1
3
UC2
4
UC3
5 IC5
UC4
6
SHOCK PROOF
UC5
7
DIT
8
+
NTEST
0V 9
52 CLK
10
VSS
0V 11
3 YSR DATA
+2.2V