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U
V
FRONT BOARD
CN901
L903
GND
1
10 1/4W
+5VFL AC
2
+5.5V
L902
0
-27VFL AC
3
27V
L904
10 1/4W
-5VFL AC
4
L905
0
+5.6VS
5
+5.5V
+5.5V
L909
CN902
0
RESET
1
8
L912
0
REMOTE
RXD
2
1
CONT. SENSOR
L913
R902
0
TXD
3
77
10K
L914
RM901
0
SCART CTL
4
74
+B
IN
D904
GND
+5.6VS
5
PLAY/
STOP
FAST
FAST
PAUSE
FORWARD
REWARD
SW907
SW905
SW903
SW901
R913
R912
R911
75K
10K
4.7K
DISC 2
DISK 1
SEQUENCE
DISK
MODE
SKIP
SW917
SW915
SW913
SW911
R923
R922
R921
75K
10K
4.7K
DISC 5
DISC 4
DISC 3
SW927
SW924
SW921
R932
R931
10K
4.7K
OPEN/
CLOSE
SW930
CP903
CN903
R933
75K
1
1
2
2
POWER SUPPLY BOARD
CN3
GND
1
FL5V+
2
-27.9V
-27V
3
27V
FL5V-
4
5.6V
5.5VS
5
+5.5V
-8.5V
8V
12.2V
+12V
D10
L1
+12V
15uH
C12
+9.0V
U2
AVR
1000P
CN4
9.0V
+9VA
1
+9V
VO
VI
11.2V
AGND
2
GND
-8VA
3
+12VA
4
D13
L2
5.6V
+5.5V
15uH
P/REST
5
L3
3.3V
+3.5V
6
+3.5V
+3.5V
7uH
DGND
7
2.5V
+2.5V
8
+2.5V
5.3V
+5V
9
+12VM
10
+12V
MGND
11
+9VM
12
+9V
W
X
+B
L901
+B
22uH
R950
D906
10
1
1
RXD
2
RMC
3
4
5
6
VIDEO MUTE 2
7
AUDIO MUTE
8
8
RESET MAIN
SEG21
9
SEG20
10
SEG19
11
MODE SEL
SEG18
12
SEG17
13
IC901
SEG16
14
25
SEG15
VFD/CONTROLLER
15
/DRIVER
SEG14
16
NC
SEG13
17
SEG12
18
SEG11
19
SEG10
20
SEG9
21
R946
OPTION
SEG8
26
10K
22
REGION
SEG7
23
MODEL SEL
SEG6
24
SEG5
+B
X901
27
RESET IC
IC902
R943
+B
IN
+B
47K
GND
T1
LF1
R4
D7
TH1
3.0 1/4W
D1-D4
8
6
7
R7
D8
20
9
4
POWER
SW
R9
D9
2.2 1/4W
14
D6
1
+B
U1
15
R11
10
PC1
1/2W
2
D12
10
U1
:
KA1M0380RB
U2
:
KA7809
U4
:
KA431AZ
D1-4,17
:
1N4007
D5
:
HER107
D6,8,9
:
1N4937
D15
13
D7
:
HER105
D10,12
:
SF24
11
D13
:
1N5819
12
D15
: SR204
14
ZD1
:
1N5239B
ZD2
: 1N5226B
PC1
:
T95-0184-08
DV-505
Y
Z
FL901
38
F2
37
F2
36
NP
35
NP
34
70
1G
33
69
2G
32
68
3G
31
67
4G
64
30
66
5G
63
29
65
6G
62
28
NC
61
27
58
P23
60
26
57
P22
59
25
56
P21
58
24
58
55
20P
57
23
57
54
19P
56
22
56
53
18P
55
21
55
52
17P
54
20
54
51
16P
53
19
53
50
15P
52
18
52
49
14P
51
17
51
48
13P
50
16
50
47
12P
49
15
49
46
11P
48
14
48
45
10P
47
13
47
44
9P
46
12
46
43
8P
45
11
45
42
7P
44
10
44
41
6P
43
9
43
40
P5
42
8
42
39
P4
41
7
41
38
P3
6
37
P2
5
36
P1
4
NP
3
NP
2
F1
1
F1
F1
AC250V
CN1
T2A
1
2
MSW1
6G
5G
4G
3G
2G
P1
1a
1a
1a
1a
P2
1b
1b
1b
1b
P3
SEQ.
1c
1c
1c
1c
P4
1
1d
1d
1d
1d
IC901
:
CXP825P400-1
IC902
:
KIA7045P
P5
2
1e
1e
1e
1e
P6
1f
1f
1f
1f
RM901
:
W02-2801-08
P7
DVD
1g
1g
1g
1g
D904
:
1N4148
D906
:
R8501V-40
P8
VCD
1h
HOUR
MIN
P9
C D
TITLE
1n
1n
REPEAT
P10
MP3
CHAP
col
col
P11
2a
2a
2a
2a
P12
PCB
2b
2b
2b
2b
P13
2c
2c
2c
2c
P14
2d
2d
2d
2d
P15
2e
2e
2e
2e
P16
2f
2f
2f
2f
P17
2g
2g
2g
2g
P18
INTRO
TRACK
2j
2j
P19
Dp
Dp
RANDOM
1
P20
(1)
(3)
(5)
PROG.
ALL
P21
(2)
(4)
P22
1
3
5
P23
2
4
AA
AB
CAUTION: For continued safety, replace safety critical com-
ponents 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 cus-
tomer.
The DC voltage is an actual reading measured with a high
impedance type voltmeter with no signal input. The mea-
surement value may vary depending on the measuring
instruments used or on the product.
1G
1a
1b
1c
1d
1e
1f
1g
SEC
1n
A
B
DISC
S
DV-505/DVF-4050/-S
Y22-8580-10
AC
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