Kenwood DV-5050M Service Manual page 50

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DQ
DR
(X25-6440-10) (2/2)
+B
4.7V
+B
80
A4
80
79
A3
79
78
A2
78
77
A1
77
76
A0
76
75
R38 100
SCK0
75
74
R39 100
SO
74
INDICATION
73
R40 100
uCOM
SI
73
72
R32 100
STB
72
71
R31 100
STB SUB
71
70
R30 100
70
SCK1
SUBuCOM
69
R29 100
COMMUNICATION
SO1
69
68
R28 100
SI1
68
C16
R25
47P
4.7K
67
SCK0
C17
R26
47P
4.7K
66
DVDuCOM
SO0
COMMUNICATION
C18
R27
47P
4.7K
65
SI0
64
AVREF1
+B
R18
63
LINE3
47K
62
DVD-LED
62
61
AVSS
R23
60
47K
JOG2
60
59
JOG1
59
58
C30
R24
NC
57
1000P
47K
NC
56
PLVGCH
PLVGCH
55
M/S SW
M/SSW
R21
54
10K
R22
KISYU
53
R19
10K
SHIMUKE
52
10K
AVREF0
+B
C12
51
4.7V
AVDD
+B
1000P
4.7V
4.7V
+5V
+B
29
+5V
4.9V
4.9V
IC7
IC8
C110 0.1
C111 0.1
CLUMP MOTOR
LOADING MOTOR
DRIVER
DRIVER
DS
DT
EVGND
R17
C7
270
0.33F5.5
+
C15
47u10
+
C13 1000P
IC14
2M SRAM
1
32
95
A11
OE
5
2
31
93
A9
A10
94
3
30
92
A8
CS1
4
29
97
A13
AD8
91
5
28
6
WE
AD7
90
6
27
CS2
AD6
89
7
26
99
A15
AD5
88
4.7V
8
25
+B
VCC
AD4
87
9
24
2
A17
VSS
10
23
1
A16
AD3
86
11
22
98
A14
AD2
85
R170
12
21
96
A12
AD1
84
3.9
13
20
83
A7
A0
76
14
19
82
A6
A1
77
15
18
81
A5
A2
78
60
16
17
80
A4
A3
79
S3
SCLK0
S4
SI0
SO0
+B
D3
D5
D6
IE BUSS
CONT.
IC13
4.7V
R67 22
5
4
DACH2
BUS-
GND
3
R69 22
6
S2
DACH1
BUS+
2
R65 1K
4.7V
7
R
26
+B
VCC
R71 47K
8
1
R64 1K
STB
S1
27
C119
1
DRIVER&
R171
RECEIVER
3.9
(RS232C)
IC12
R191 100
8
R185 100
9
RX2
8
9
RX1
R192 100
7
R186 100
10
TX2
7
10
TX1
C116
R187 100
11
10u50
6
11
DTR1
V-
R188 100
+
12
5
12
DSR1
C2-
C118
R189 100
13
13
DSR2
10u50
4
C2+
R190 100
14
+
3
14
DTR2
C1-
15
C115
4.6V
GND
2
10u50
R73
V+
22
16
+
+B
VCC
C117
1
10u50
C1+
+
IR
+5V
R183
4.7V
D17
1K
Q9
DVD CONT.
4.7V
SIGNAL
4.7V
INVERTER
Q8
L100
100uH
0V
+5V
Q9
4.7V
DVD CONT.
SIGNAL
BUFFER
4.7V
IC5
RESET
5
1
VIN
+5V
M/R
2
SUB
3
4
GND
OUT
+5V
+B
DU
DV
+B
+5V
+5V
4.7V
4.7V
+B
R108 100
51
51
DOOR CLOSE
R109 100
52
52
DOOR OPEN
R110 100
53
53
CLUMP-M
R111 100
54
54
CLUMP-P
R112 100
55
55
R-CW
R113 100
56
56
R-CCW
R114 100
57
57
UNLOAD
58
+B
BVDD
59
BVSS
R115 100
60
LOAD-M
R81 10K
R117 10
61
OPEN-SW
62
R82 10K
NC
R118 10
63
EJECT-SW
R83 10K
R119 10
64
64
0-SW
65
R84 10K
NC
R120 10
66
66
180-SW
R85 10K
R121 10
67
67
90-SW
IC2
R86 47K
SUB u-COM
R122 10
68
68
D-SW
69
R87 10K
NC
R124 10
70
70
PH-1
R88 10K
R125 10
71
71
PH-3
R89 10K
R126 10
72
72
PH-2
73
NC
74
+B
AVDD
C104 1000P
75
AVSS
76
AVREF
R90 10K
R127 10
77
77
UNLOCK-SW
R91 10K
R128 10
78
78
CLOSE SW
R92 10K
R129 10
79
79
PL-SW
R93 10K
R130 10
80
80
HP-SW
+5V
+B
5.1V
+5V
R172
R174
INVERTER
INVERTER BUFF.
R173
R175
Q20
Q13
22K
Q14
22K
BUFF.
(LED LIGHT)
2.2K
2.2K
(EJECT LED)
INVERTER BUFF.
INVERTER BUFF.
R94 100
(PHOTO LED)
(DISK PHOTO LED)
Q20
4.8V
Q14
Q21
R177
1K
5.0V
Q12
DW
DX
C101
47u10
X2
12.582MHz
+
R154
1M
34
R156
1M
4.7V
30
NC
29
NC
28
NC
27
IETX
27
26
IERX
26
25
R68
NC
24
NC
47K
23
NC
22
NC
21
IC/VPP
20
R167
NC
47K
19
NC
18
NC
17
NC
16
NC
15
NC
14
NC
13
NC
The DC voltage is an
12
NC
actual reading measured
11
C105
NC
10
1000P
with a high impedance
EVSS
type voltmeter with no
9
4.7V
EVDD
+B
signal input. The mea-
8
NC
surement value may vary
depending on the mea-
R150 100
7
RD
10
suring instruments used
R151 100
6
TD
9
or on the product.
R152 100
5
DTR
12
R153 100
4
DSR
11
3
NC
2
NC
1
TXD0
34
R147 100
70
R148 100
68
D10
D11
D9
R149 100
69
+B
Q21
IC1
: 784217AGF519
D3,5,6,9-11,17
IC2
: 703035AGFA01
: DA204U
IC5
: PST596ENR
D18,19
: RB411D
IC7,8,10
: TA8409S
D220-222
:
U1BC44
IC9
: TA7291P
IC12
: MAX232NS
R97 10
IC13
: HA12187FP
GND LINE
R178
IC14
: BS62LV2000STC
1K
+B
B LINE
Q2
: DTA143TUA
B
B LINE
Q15
Q3
: DTA124EUA
Q4,8,12,15 : DTC124EUA
Q9,17
: 2SC4081(R,S)
Q13,14
: 2SA1577
Q16,20,21 : 2SA1576A(R,S)
DY
DZ
X14-E/5-
WH7
8/8
J
FR-2
CN1
R3 100
11
1
RWRREQ
R4 100
12
2
RWR
R5 100
13
3
RTERN
14
4
D7
15
5
D6
16
6
D5
17
7
D4
18
8
D3
19
9
D2
20
10
D1
21
11
D0
EV+12V
+12V
12
EV+12V
23
13
STBLED
24
14
PURELED
25
15
L192LED
X14-A/5-
26
16
L96LED
CN1
27
17
RESET
8/8
62
18
DVDLED
60
19
JOG2
K
59
20
JOG1
44
21
REM
FS-5
47
22
PLAY
48
23
OP/CL
D+5V
24
D+5V
25
EVGND
+5V
26
EV+5V
SCK
27
SCK
SO
28
SI
SI
29
SO
STB
30
STB
FL-
31
FL-
D220
D222
R288
FL-35V
35V
32
FL-35V
22
D221
-40.6V
FL+
33
FL+
M1
34
M1
S3
35
S3
S4
36
S4
M2
37
M2
CN6
15
16
4.7V
+5V
+B
13 14
11
12
9 10
7
8
5 6
3
4
1 2
X13-B/3-
CN3
WH4
7/8
14
5
DSR
13
4
DTR
L
8
3
TX
7
2
RX
FF-6
1
GND
DV-5900M (5/8)
CAUTION: For continued safety,
replace safety critical components only
with manufacturer's recommended parts
(refer to parts list).
indicates safety
critical components. For continued pro-
tection against risk of fire, replace only
with same type and rating fuse(s). To
reduce the risk of electric shock, leak-
age-current or resistance measure-
ments shall be carried out (exposed
parts are acceptably insulated from the
supply circuit) before the appliance is
returned to the customer.

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