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Kenwood CD-4900M? DPF-J9030 Service Manual page 17

Multiple compact disc player
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AY
(X32- ) (C/8)
1
VDD
2
3
STANDBY:4.6V
4
GENERAL
STANDBY
PURPOSE
5
LED-M
PORT
6
LED-S
7
POW-P
8
NC
9
NC
10
5.0V
RESET
11
X2
2.4V
12
X1
2.2V
13
VSS
14
XTS
15
XT1
16
VDD
+5V
17
SCK
18
SO
19
SI
20
21
GENERAL
22
PURPOSE
23
PORT
24
25
AVSS
26
A/D7
27
A/D6
28
A/D5
29
A/D4
30
A/D3
DOWN
UP
S10
S11
R133
2K
PLAY/
PAUSE
STOP
S5
S6
R126
2K
+7.5V
CD-4900M(K) (3/3)
DPF-J9030(T,E) (3/3)
AZ
E1
(WIRE CLAMPER)
+5V
+5V
R120
D14
330
(for MAIN)
4
R121
D15
330
(for SUB)
7
X4 5MHz
C98
0.01
C72
0.01
JOG
S12
R146
47K
R145
C71
47K
47u6.3
+
+5V
10
+7.5V
+5V
+5V
Y32-8250-10
BA
IC14,15
: uPD780204-038
Q5,6
: 2SC3246(J,K)
D13-15
: B30-2493-05
D16-19,36,37
: B30-2532-05
CAUTION: For continued safety, replace safety criti-
cal components only with manufacturer's recommend-
ed parts (refer to parts list).
components. For continued protection against risk of
fire, replace only with same type and rating fuse(s).
To reduce the risk of electric shock, leakage-current
or resistance measurements shall be carried out
(exposed parts are acceptably insulated from the sup-
ply circuit) before the appliance is returned to the cus-
tomer.
The DC voltage is an actual reading measured with a
high impedance type voltmeter. The measurement
value may vary depending on the measuring instru-
ments used or on the product. Refer to the voltage
during PLAY unless otherwise specified; The value
shown in ( ) is the voltage measured at the moment
of STOP.
WH10
CN7
1
STB1
2
2
LCD
3
3
D-SW
4
JOG1
5
JOG2
6
SCK
6
7
SO
7
8
SI
8
9
RST
9
10
STB2
11
F
12
F
13
-40V
14
+7.5V
15
GND
16
GND
17
+5V
CD-4900M/DPF-J9030
BB
BC
indicates safety critical

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