Kenwood DPC-X301 Service Manual page 6

A B
MECHA. ASS'Y
(KSM-542A)
CN4
PD2
1 1
PD1
PICKUP
2 2
E R99A
E 3 3
1
10K
PD
4 4
LDVR
5 5
GND
A D
6 6
B C
LD
LD
7 7
VCC
VCC 8 8 +2.6V
F +
VC
VC
9 9
F R100A 10K
10 10
AL
AL 11 11
TRK-
24
12 12
TRK+
25
13 13
2
FCS-
14 14 27
FCS+
15 15 26
LMT. FEED DISC
SW MOTOR MOTOR
M M
3
24
25
4
26
27
SP1
SP+
SP-
SL1
SL+
SL-
5
C125A 1
C126
100u6.3
D104
C127
47u10
6
CAUTION: For continued safety, replace safety critical components only with manufacturer's recommended parts (refer to parts list).
safety critical components. For continued protection against risk of fire, replace only with same type and rating fuse(s). To reduce the risk of elec-
7
tric shock, leakage-current or resistance measurements shall be carried out (exposed parts are acceptably insulated from the supply circuit)
before the appliance is returned to the customer.
C D
IC1
RF
AMP
C103A
0.022
C116A
C104A 470P
0.022
R111A
100K
R8A
47K
1.3V
C115A
150P
1.3V
2.6V
1.4V
1.3V
TP
C107A
2P
R116A
15K
C106A R114A R115A
47P 6.8K 3.3K
+2.6V
+
1.9V
C152 47u10
LD CONTROL
+
Q104 R136A 4.7
1.8V
2.6V
+B
+2.8V
C501
22u16
R142A
+
68K
100u6.3
0V
23
TRV
STOP 2.8V 2.8V
0V 24
TR- 2.5V
2.5V
11
CRIP
0V 25
TR+
0.2V 26
FO-
10
IC2 AREF
9 0.6V
0V 27
CT
FO+ BTL DRIVER
28
8 0.8V
PGND
SPRO
0V 29
7 1.1V
SP+
IN
C140 R123A
6 0.4V
FB
0.022
0V 30 5 0.2V
SP- OUT
4 0.7V C135
DED
0V 31
0.1
3 2.8V
TV+
RESET
2 4.8V
PVCC
0V 32 1 4.5V R121A
TV- VSEN
0
1.9V 33
1.0V
ICONT
C131
+ 0.01
R119A Q6
Q102
R502A
47
100K
4.6V
+
55
+4.8V +4.8V
33
E F
LC101
PGM REPEAT B.BOOST
a
f
b
0V g
e c
d
1 2 3 4 5
0V
C120A
1
+2.6V
+2.8V
+B
+2.8V
R125A
20K
C137A
0.1
C138
+
1.4V 1
1 COM4
C139
1.4V 2
22u16
2 COM3
+ 1.4V 3
3 COM2
R140A
1.4V 4
470K 4 COM1
5
VLC3
C134
390P
0.9V 6
C136
VLC2
4.7u50
R1A
+
10K 1.9V 7
B VLC1
8
+2.8V VDD
4.7K
C3A 2.8V
0.1 9
Q105 OSC2
1.3V 10
10 SMCK
11
VSS
12
X1
13
X0
14
D.A.S.C
MMODO
CONTROL
15
VREF-
C132
2.8V 16
0.1
16 KEY1
2.8V 17
C133 17 KEY2
100u6.3 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
D.A.S.C
ST/HI: 2.9V
OFF: 0V
R23A
56K
ST/HI: 0V
OFF: 2.7V
indicates The DC voltage is an actual reading measured with a high impedance type voltmeter. The measurement value may vary
depending on the measuring instruments used or on the product. Refer to the voltage during PLAY with DASC OFF(at the nor-
mal speed) unless otherwise specified; The value shown in ( ) is the voltage measured at the moment of STOP.
G H
PIN u-COM
COM1 COM2 COM3
No. PIN No.
L5 L6
1 4 COM1
L4 L7
C
2 3 COM2
3 2 COM3
D.A.S.C. 4 1
1g
L3 L8 5 100 1a 1f
ST HI 6 99 PGM 1b 1c
7 98 2a 2f 2g
8 97 REPEAT 2b 2c
L2 L9
9 96 3a 3f 3g
6
L1 L10
10 95 B.BOOST 3b 3c
11 94 4a 4f 4g
12 93 4b 4c
13 92 5a 5f 5g
14 91 C 5b 5c
6g
15 90 6a 6f
16 89 L5 6b 6c
17 88 L4 L3 L2
18 87 L7 L8 L9
19 86 L6 DASC ST
+2.6V +2.6V
+B +B
+2.8V +2.8V
+
75
SEG25
74
P80
73
1.4V
P81
72 0V
DIGITAL OUT
71
P83
70
P84
69
P85
68
P86
67 2.8V
IC3 RST
66
STAT
u-COM
0V
65
TLOCK
64 0V
FLOCK
63 0V
SENSE
2.8V
62
MLD
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
0V
+4.8V +4.8V
I J
R166A
1K
COM4
COM4
1e
1d
R167A
2e
33K 21
2d TRV
R168A
0V 22
3e
22 TVD
10K
3d
0V 23
23 PC
4e
R169A 33K 1.3V 24
4d ECM
R170A 5.6K 1.3V 25
5e
25 ECS
R171A 100K
1.3V 26
5d
KICK
R174A 6.8K R172A
6e 27
27 TRD
6d
0
1.3V
L1
L10
R173A
HI
R175A 0 28
28 FOD
1.2K
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
2.6V 40
40 LDON
B
C161A
1000P
+2.6V
+B
+2.8V
+2.2V
B
67
2.2V
66
1
65 +2.2V VDD
0V
2
64 UC1
3
63 UC2
4
62 UC3
5
UC4
6
UC5
7
DIT
8
+
R182A NTEST
2.2K
0V 9
52 CLK
10
VSS
0V 11
3 YSR DATA
51
+2.2V