Kenwood DV-4050-B, Service Manual

Page: 10 / 17

U V X Z AB AD W Y AA AC
2
1
3
5
7
4
6
75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
1
2 3 4 5 6 7 8 9
10
11
12 13 14 15 16 17 18 19 20
21
22 23 24 25
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
P6
P7 P8 P9
P10
P11
P12
P13 P14 P15 P16 P17 13G 12G 11G 10G
9G 8G 7G 6G 5G 4G 3G 2G 1G
DIGI 4
SHIMUKE OUT
SHIMUKE OUT
SHIMUKE OUT
SHIMUKE IN
SHIMUKE IN
VSS-LED
P51
STBY-LED
P32
P31
P30
P25
SPEED
POSITION
P22
P221
REMOCON
P15
POWER MUTE
POWER
MECHA VR
TRM-
RM+
RESET
CMD ST
A
TUS
DSPCLK D
ATA
STB CL;K CLR VDD OSC2 OSC1 VSS X1 X0 MMOD VREF- KEY IN0 KEY IN1 KEY IN2 PA
3
PA
4
CLOSE SW OPEN SW PA
7
VREF+ TM+
P5
P4
P3
P2
P1
SEG24
SEG25
SEG26
SEG27
SEG28
SEG29
SEG30
SEG31
SEG32
SEG33
SEG34
SEG35
SEG36
SEG37
SEG38
SEG39
SEG40
SEG41
SW MUTE
VFL
8MHz
X1
1M
R4
R5
1M
1000P
C4
1000P
R72 C35
R71 1
C34
1000P 100u10
+
GND
IN
OUT
R81 100 R82 100 R83 100 R84 100
22K
R31
47K R32
C10
R33 220
R34 220
R35 220
R36 220
R37 220
220
220
100K
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
FL-29V
FL+
FL-
NC
SWMUTE
NC
MECHA FG
POS. SENCEI
NC
P-MUTE
POWER
NC
MECHA VR
TRM-
RM+
TM+
OPEN SW
CLOSE SW
NC
DSPCLK
STATUS
CMD
NC
UCOM GND
UCOM +5V
18 17 16 15 14 13 12 11 10
1
2
3 4 5 6 7 8 9
1
2
3
4
5
C3 47P C2 47P C1 47P
10P C33
R1 100 R2 100 R3 100
3 2 1 5 6 7 4
100uH
L1
1000P
33u50
+
1
21
22 25
GND
+B
OUT
1
R80 10
R79 10
R78 10
R77 10
10
120
R90
120 R91
R92
120
R93
120 120
R94
120
R95
C39
C28
10P
100u10
+
1000P
1
10P
C29 330P
C31 330P
C30 330P
C32 0.1
3
2
1
10K
0.01
C7
R23
0.1
C5
10K
R25
C9 0.01
10K
R24
0.01 330u6.3
+
36
37
31
30
28
29
27
21
25
22
27
30
29
28
31
37
36
100K
R70
100
R96
R40
C37
C36 10P
1
0.01
C11
47K
R39
100
R30 220
R29 220
R27 220
4.7K
R28
22K
R26
R69
R75 10
99
55 54 53 52
51
68 67 66 65 64 63 62
61
60 59 58 57 56 75 74 73 72
71
70 69
80
79
78
77
76
R50 47K
R51 47K
R52 47K
R53 47K
R54 47K
R49 47K R48 47K R47 47K
C27 100P C26 100P C25 100P C24 100P C23 100P C22 100P C21 100P C20 100P C19 100P C18 100P C15 100P C17 100P C16 100P
18 17 16
C6 C8
16
17
18
820
R6
1K
R7
1.2K
R8
1.5K
R9
1.8K
R10
2.2K
R11
3.3K
R12 R13
4.7K 6.8K
R14
12K
R15
68K 820 1.5K 33K 22K
820
44
120 120
R89 R88
16 17
120 120
R87 R86
15 14
14 15 16 17
R17 R16 R18 R20 R19
R21
C41
C42
330
R57
6
4
7
5
R56 4.7K
99
R74
C40
2
4
5
3
1
1 1
3
2
3
2
330
3.3K
R66
4.7K
R67
R68
330
R65
44
1K
R22
C13 15P C14 33P
R44
R42
R43
10K
R41
1K
B
+B
B B
B
B
+B +B +B +B
+B
+B
+B
+B
+B
+B
+B +B
+B +B
+B
+B
+B
R76
4.7K
R64
50
F- F-
2
1
3
15
9
80 77 78 79
6
P1
4 5
P4 P3 P2
7 8
74 75 76
71
72 73
12
P7 P6 P5
10
11
P10 P9 P8
13 14
21
68 69 70 65 66 67
18
P13 P12 P11
16 17
P16 P15 P14
19 20
64
24
P17
22 23 25 26
63
13G
28 27 29
31
30 32 34 33 35 37 36 38
57
7G
60
61
62 58 59
10G 11G 12G
40 39
41
8G 9G
43 42 44
55 56 52 53 54
47
5G 6G
45 46
2G 3G 4G
48 49
51
53
1G
51
52
F+ F+
54
100u10
+
C12
R61 7K
R60 47K R59 47K R58 47K
C38
R73
B
CN1
WH1
D14 D12 D13
D3 D4
D8 D9
D5
D10
DISC 3 DISC 4 DISC 5
A1
REMOTE
SENSOR
FL DRIVER u-COM
S1
ST
OP
S2
PA
U
S
E
S3
PLA
Y
S4
DISC1
S5
DISC2
S6
DISC3
S7 S8
DISC5
S10
F.SKIP R.SKIP
S9
OP/CL
S11
D2
D7
DISC 2
D1
D6
DISC 1
DISC4
D11
Q1
WH1
WH2
WH2
D16
Q3
D15
Q2
S12
S13
DISC SKIP
STANDBY
POWER
D.SKIP
STANDBY
IC1
2SA933AS(Q,R)
PST993D-T
NJU3713G
Q1,2 :
IC3
IC2
:
:
MN101CP35DMA :
2SC1740S(Q,R) Q3 :
DAN202U D6-10 :
DA204U D12-14 :
B30-2548-05 D16 :
B30-2584-05 D11,15 :
B30-2583-05 D1-5 :
B LINE
B LINE
GND LINE
LED
DRIVER
LED
LED
DRIVER
LED DRIVER
RESET IC
DRIVER
D17
D17 MA111 :
1/2
X25
-CN1
IC1
IC3
ED1
IC2
DV-4050 (2/2)
(X14-7170-10) (A/3)
(X14- ) (C/3)
(X14- ) (B/3)
C
5.0V
5.0V
5.0V
4.8V
5.0V
-29.0V
-29.0V
PGM
DVD
VIDEO SEQ. 21
13G
GROUP TITLE TRACK CHAP D.MIX PPCM
1
AUDIO
VCD
RND A-B
2 3 4 5
12G 11G 10G 9G 8G 7G 6G 5G 4G 3G 2G 1G
a
d
f
b2
b1
m
g
e
r
p n
k
j
h
c2 c1
DV-4050-B/DVF-R6030-B
Y22-8320-10
The DC voltage is an actual reading measured with a high imped-
ance type voltmeter. The measurement value may vary depending
on the measuring instruments 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. CAUTION: For continued safety, replace safety critical components only with manufacturer's recommended parts (refer to
parts list). indicates safety critical 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 supply circuit) before the appliance is returned to the customer.