Kenwood DM-SE7 Service Manual page 9

K
QQ
3 7 63 1515 0
3.3V AVR
IC10
1.1V
C195
1
+
TE
L 13942296513
www
.
H+5V
L
CN102
SENSE
1
MNT1(SHCK)
2
DQSY
3
DIG-RST
4
SQSY
5
SCL
6
5.1V
XINT
7
MNT2(XBUSY)
8
+
LDON
9
GND
10
MOD
11
REC SW
12
REFLECT
13
PHOTO SW
14
15 PROTECT
16 NC (EMPH)
17 STTLMT
18 DISC IN
19 +5V
CN105
1 PHOTO SW
2 REC SW
3 SPDL-
4 SPDL+
5 NC
6 +5V
7 DISC IN
8 SLED-
9 SLED+
10 REFRECT
11 PROTECT
12 GND
13 STTLMT
14 LOAD-OUT
15 LOAD-IN
CN101
1 SCLK
2 SRDT
3 XLATCH
4 WRPWP
5 SWDT
6 MNT3(SLOCK)
7 MNT0(FOK)
8 SDA
9 SCTX
R120
10 ADDT
100
11 MGND
12 BCK
13 MGND
R124
14 DADT
100
15 M+5V
16 LRCK
M+5V 17 M+5V
18 LOAD-IN
19 GND
20 LOAD-OUT
21 GND
+3.3V 22 3.3V
23 DIN
H+5V 24 H+5V
25 DOUT
+5V 26 +5V
27 +5V
C196
28 512FS
0.1
29 HGND
x ao u163
y
i
M
2SA954
2 9
2/3 8
2SC2003
X25-
A
CN3
(MDM-04) (X29-2580-00) (A/2)
SLT SW
CN1
1
2
LOAD
MOTOR
M
SLED
MOTOR
M
SPINDLE
MOTOR
M
+5V
PH1
2 3
1 4
15 14 13 12 11
2SA1048
2SC2458
IC1 : CXA2523AR
Q Q
IC2 : CXD2652AR
3 6 7 1 3 1 5
IC3 : TC7S08FU
IC4 : TC7WU04FU
IC5 : TC74ACT540FS
IC6 : X24C01AS-2.7
IC7 : HM51W4400BTT-7
IC8 : BH6511FS
CAUTION: For continued safety, replace safety critical
IC10 : L88MS33T
components only with manufacturer's recommended
IC11 : AK4520
parts (refer to parts list).
Q1 : FMW1
Q2,3 : DTA144EUA ponents. For continued protection against risk of fire,
Q4,5 : DTC114YUA
replace only with same type and rating fuse(s). To
Q6 : 2SA1576A(R,S)
reduce the risk of electric shock, leakage-current or
Q7 : 2SB798-DL
Q8 : 2SJ278
resistance measurements shall be carried out (exposed
Q9 : 2SK1764
Q10 : DTC114EUA parts are acceptably insulated from the supply circuit)
before the appliance is returned to the customer.
D1,2 : F1J6TP
D101 : MA101
The DC voltage is an actual reading measured with a
high impedance type voltmeter. The measurement
value may vary depending on the measuring instru-
2/3
ments used or on the product. Refer to the voltage dur-
ing RECORDABLE MD PLAY unless otherwise speci-
X25-
B
CN2
fied; The value shown in ( ) is the voltage measured at
the moment of STOP. The voltage followed by (REC)
refers to the value during MD RECORDING.
STOP
NON
PLAYBACK
( )
RECORD
< >
X MEASUREMENT IMPOSSIBLE
PLAYBACK
PLAYBACK(DIGITAL OUTPUT)
RECORD
RECORD(DIGITAL INPUT)
GND LINE
+B +B LINE
-B LINE
-B
co
.
DM-SE7/SE7(G)/SE9
Y22-7210-00
N
UN5212
9 4 2 8
CN2
3
2
1
REC SW
S2
10 9 8 7 6 5 4 3 2 1
CN3
PH1 : T95-0140-05
KAN03
0 5 8 2 9 9 4 2 8
indicates safety critical com-
m
DM-SE7/SE7(G)/SE9(K) (1/3)
O
2SD2012
9 9
(X29- ) (B/2)
PROTECT
S1
3
2
1
WH1
9 9