DVD VCD CD PLAYER
DVF-3020
SERVICE MANUAL
© 1999-10/B51-5588-00 (K/K) 1904
70%
AC IN
AV1
AV2
S VIDEO OUT
VIDEO
AUDIO OUT
OUT
DIGITAL AUDIO OUT
OPTICAL
L
(PCM/BIT STREAM)
DVF-3020
STANDBY
VIRTUAL
SURROUND
OPEN/CLOSE
Tray top
(A29-1093-08) : B
(A29-1094-08) : S
Front panel
(A60-1836-08) : B
(A60-1837-08) : S
Front cover
(B10-3573-08)
Leg
(J02-1468-08)
Power button
(K27-2400-08) : S
(K27-2407-08) : B
Top cover
(A01-3749-08) : B
(A01-3754-08) : S
RCA jack
(E63-1134-08)
Connectorx2
(E40-8598-08)
Connector
(E40-8593-08)
Optical receiving
(W02-2736-08)
Y/C connector
(E40-8534-08)
In compliance with Federal Regulations, following are repro-
ductions of labels on, or inside the product relating to laser
product safety.
KENWOOD-Crop. certifies this equipment conforms to DHHS
Regulations No. 21 DFR 1040. 10, Chapter 1, Subchapter J.
DANGER : Laser radiation when open and interlock
defeated.
AVOID DIRECT EXPOSURE TO BEAM
Caution : No connection of ground line if disassemble
the unit. Please connect the ground line on
rear panel, PCBs, Chassis and some others.
B: Black
S: Silver
DVF-3020
2
CONTENTS / ACCESSORIES
CONTENTS / ACCESSORIES .................................. 2
BLOCK DIAGRAM ......................................................3
ADJUSTMENT ............................................................7
ABBREVIATION..........................................................8
VOLTAGE CHART....................................................10
WIRING DIAGRAM ...................................................15
PC BOARD .............................................................. 16
SCHEMATIC DIAGRAM .......................................... 21
EXPLODED VIEW ....................................................51
PARTS LIST..............................................................54
SPECIFICATIONS ......................................Back cover
Contents
(A70-1353-08)
(E30-2946-08)
(E30-2938-08)
(B19-1615-08)
Remote control unit . . . . . . . . . 1
for remote control unit [size "AA"]
Batteries. . . . . . . . . . . . . . . . . . . . 2
AC cord. . . . . . . . . . . . . . . . . . . .. . 1
Video/audio cable. . . . . . . . . . . . 1
Optical cable. . . . . . . . . . . . . . . . . . . 1
Accessories
Note: There is different part in this manual as compared with a usual one because we use OEM
factory's data.
Refer to DVF-5020 service manual (B51-5580-00) on Disassembly for Repair and Circuit
Description.
KENWOOD MODEL
OEM MODEL
DVF-3020
DVD-A160 series
How to read the schematic diagram
· There are some destinations in this schematic.
Connection of "from" or "to".
Port name
27MHz
RGB VIDEO/COMPONENT VIDEO OUT MODEL ONLY
ONLY
MODEL
5.1ch
AUDIO
AUDIO DIGITAL OUT
IC3201
MOTHER C.B.A.
PAL MODEL ONLY
IC3061
IC3051
IC6001
IC2511
IC2501
MECHANISM UNIT
MODULE C.B.A.
CR(R)
CB(B)
Y(G)
S-VIDEO OUT
VIDEO OUT
IC3531
IC4221
IC4211
IC4201
CNT
SW
SL
SR
FR
FL
CONVERTER
D/A
VIDEO
DRIVER
VIDEO
CONVERTER
D/A
AUDIO
CONVERTER
D/A
AUDIO
CONVERTER
D/A
AUDIO
IC3001
IC7001
IC2001
IC5202
(AV DEC)
DECODER
AV
SRAM
4BIT
(ODC)
CONTROLLER
DISC
OPTICAL
SRAM
16BIT
COIL
TRACKING
COIL
FOCUS
MOTOR
STEPPING
CPU
SUB
KEY
REMOCON
LED
OSD
FL
(DSC)
CONTROLLER
SERVO
DIGITAL
IC6302
IC6201
CPU
MAIN
DRAM
4M
16.9MHz
DRIVE
MOTOR
4ch
MOTOR
LOADING
DRIVE
MOTOR
SPINDLE
MOTOR
SPINDLE
(FEP)
PROCESSOR
END
FRONT
UNIT
PICK UP
OPTICAL
DVF-3020
3
OVERALL
BLOCK
DIAGRAM
(0.5sec./DIV.)
CLOSE 2.5Vp-p
IC2501-25(UP),IC2501-27(DOWN)
5.0Vp-p(20usec./div.)
IC2501-24
7.2Vp-p(20usec./div.)
IC2511-11,12,13,14
(0.5sec./DIV.)
OPEN 2.5Vp-p
IC2501-25(UP),IC2501-27(DOWN)
RF SIGNAL
SPINDLE MOTOR DRIVE SIGNAL
STEPPING MOTOR DRIVE SIGNAL
TRACKING ERROR SIGNAL
FOCUS ERROR SIGNAL
BRK
FIN
RIN
SS
FGC
FG
EC
ECR
OPIN2-
OPIN1-
OPIN3-
OPIN4-
TRAY CLOSE
TRAY OPEN
BRK
TRAY SET2
TRAY SET1
SS
FGC
FG
EC
ECR
TRV-SW
FOCUS DRIVE
TRAKING DRIVE
TRSDRV-B
TRSDRV-A
X TRON
OFTR
BDO
JIT OUT
LDONA
LDONB
FBAL
FE
TBAL
TE
RDCKP
RDCKN
RDTP
RDTN
VIN4
VIN3
VIN2
VIN1
VIN5
VIN6
STNBY
STD1
SCK
SEN
DAT3
DAT2
DAT1
DAT0
SBI1
SBO1
SBT1
CPUIRQ
CPCEN
CPSEN
OUT2
OUT1
A3
A2
A1
H1+
H1-
H2+
H2-
H3+
H3-
VO2-
VO2+
VO1-
VO1+
VO4+
VO4-
VO3+
VO3-
Q
C
D
OPTICAL PICK UP UNIT
PHOTO DETECTOR
B3
B4
B2
B1
A3
A2
A4
A1
LASER DIODE
AMP
HEAD
Q5201
LD DRIVE
4
3
IC6303
(EEPROM)
AMP
115
114
113
112
71
76
50
60
52
72
70
55
2
6
5
IC6201
(CPU)
IC7001
(ODC)
INTERFACE
BALANCE
FOCUS
BALANCE
TRACKING
22
21
20
19
97
96
95
94
92
91
2
3
2
1
9
23
66
65
64
12
13
28
50
49
48
47
(FEP)
IC5202
61
63
62
60
38
37
36
35
34
33
128
107
44
81
98
93
20
91
43
42
41
40
1
7
8
13
12
16
14
111
120
121
11
103
102
105
104
23
26
9
2
3
4
5
6
7
16
11
10
15
12
19
18
25
27
23
26
28
11
12
13
14
15
16
17
18
6
3
(DSC)
IC2001
QR2502
5
4
1
3
AMP
QR2503
QR2501
AMP
5
4
1
3
AMP
(MOTOR DRIVE)
(SPINDLE MOTOR DRIVE)
IC2501
IC2511
M2601
LOAD M-
LOAD M+
MOTOR
LOADING
S2601
TRAY OPEN
TRAY CLOSE
M3
M2
M1
H1-
HALL1
H1+
H2-
H2+
HALL2
H3+
H3-
TRV-SW
HALL3
TRAVERSE SWITCH
ACT T-
ACT T+
ACT F-
ACT F+
STEPPING MOTOR UNIT
STEPPING MOTOR
LOADING MOTOR UNIT
SPINDLE MOTOR UNIT
OPTICAL PICK UP UNIT
ACTUATOR
COIL
TRACKING
COIL
FOCUS
DVF-3020
4
SER
VO
BLOCK
DIAGRAM
1.2Vp-p(20usec./div)
PS3801-19 PLAY
1.2Vp-p(20usec./div)
PS3801-18 PLAY
1.0Vp-p(20usec./div)
PS3801-17 PLAY
IC3813
H
L
H
L
H
L
H
L
L
H
H
L
H
L
H
H
L
L
SCART C.B.A.
V-OUT
GREEN-I/O
V-OUT
BLUE-I/O
7
11
15
19
19
RED-I/O
RGB H
IC3831
IC3831
IC3841
IC3841
IC3841
J3871-
IC3821
J3871-
J3871-
J3881-
J3871-
V
C
Y
R
G
B
H
RGB
J3881-
IC3812
J3871-
YC
J3881-
YC
IC3811
RGB
IC3822
IC3822
YC
IC3822
IC3821
J3881
YC
J3881
IC3821
20
H
H
15
H
20
H
11
7
H
SERIES MODEL ONLY
EXCEPT A770,A560,A360
EXCEPT A770,A560,A360 SERIES
1.2Vp-p(20usec/div)
IC3001-201
1.5Vp-p(20usec/div)
IC3001-206
1.2Vp-p(20usec./div.)
IC3201-23
2.2Vp-p(20usec./div.)
IC3531-19
2.2Vp-p(20usec./div.)
IC3531-16
1.5Vp-p(20usec./div.)
IC3201-25
1.2Vp-p(20usec./div.)
IC3531-14
0.64Vp-p(20usec./div.)
IC3201-32
0.68Vp-p(20usec./div.)
IC3201-29
6.0Vp-p(20usec./div.)
IC3001-161 to 168
MODULE C.B.A.
MOTHER C.B.A.
(AV DECORDER)
IC3001
A770,A560,A360,SERIES MODEL ONLY
XRST 122
IC6201-79PIN
FROM
NRST
XRESET
45
VCOUT
VYOUT
C
Y
201
206
Q3211
AMP
AMP
Q3201
FL3501
B.P.F.
L.P.F.
FL3511
Q3501
AMP
AMP
Q3511
Q3502
AMP
AMP
Q3512
VR3511
VR3501
C ADJ.
Y ADJ.
A770,A560,A360 SERIES MODEL ONLY
Q3601
AMP
Q3602
AMP
QR3601
NR
IC6201-80PIN
FROM
AMP
Q3513
AMP
Q3603
VIDEO OUT
(VIDEO DRIVER)
IC3531
14
16
19
COUT
VOUT
C
YOUT
3Y
11
VD7
VD0
168
167
166
165
164
163
162
161
(VIDEO D/A CONVERTER)
IC3201
IC6201-10PIN
FROM
SDATA
IC6201-9PIN
FROM
SCLOCK
P7
P0
SDATA
SCLOCK
20
19
9
8
7
6
5
4
3
2
CB/B ADJ
VR3201
CR/R
CB/B
Y/G
C
Y
DAC-C
DAC-B
DAC-A
DAC-F
DAC-E
38
29
32
35
23
25
ONLY
EUROPE MODEL
AMP
Q3221
AMP
Q3231
AMP
Q3241
FL3561
FL3551
B.P.F.
AMP
Q3571
AMP
Q3561
Q3551
AMP
JAPAN,EUROPE MODEL ONLY
QR3521
QR3522
WIDE1
IC6201-53PIN
FROM
IC6201-5PIN
FROM
WIDE2
S-VIDEO OUT
DVF-3020
5
VIDEO
BLOCK
DIAGRAM