Kenwood DVF 5020 Service Manual

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DVD VCD CD PLAYER

DV-303/DVF-5020/K5020

SERVICE MANUAL

Please use this manual instead of DV-303s manual (851-5561-00), when repair of DV-303.

KENWOOD

© 1999-10/851-5583-00 (K/K) 1836

Tray top
(A29-1088-08)

Front panel
(A60-1788-08)

KENWOOD nvu vcu w pwmvrm

paws:

7:1-

HIE

1::1

Power button
(K27-2389-08)

rx
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Top cover

FlCA lack
(A01 {3749-08)

(E63-1 134-08)

From cover
(810-3573-08)

Switch
(890-0134-08)

1:];

Leg
(J02-1468-08)

E?

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(mm
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minim.

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[2:1

Oscillating module

Pin lack
(W02-2736-08)

(E63-1135-08)

Y/C connector
(E40-8534-08)

1::1

Pin jack
(E63-1133-08)

Figure is DV-303.

In compliance with Federal Regulations, following are repro-
ductions of labels on, or inside the product relating to laser
product safety.

KENWOOD-Crop. certilies this equipment conforms to DHHS
Regulations No 21 DFR 1040. 10, Chapter 1, Subchapter J.

DANGER : Laser radiation when open and interlock
deteated.
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.

NOTE : Please use the remote controller
for self-diagnosis and tilt adjust-
ment.

Connector
(E40-8535-08)

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\/

Dvr3o3/DVFR5020Ik)COVER1,1I>(99.11.210:39AM y [w 2 /\

DV-303/DVF-5020/K5020

CONTENTS / ACCESSORIES

Contents
CONTENTS / ACCESSORIES ..... WIRING DIAGRAM ....3o
DISASSEMBLY FOR REPAIR . 3 PC BOARD ............... 32

41
.93

.13 SCHEMATIC DIAGRAM.
.17 EXPLODEDVIEW....

BLOCK DIAGRAM
CIRCUIT DESCRIPTION.

ADJUSTMENT ....... .21 PARTS LIST .......... ....96
ABBREVIATION ..... ....22 SPECIFICATIONS ....BaCk cover
VOLTAGE CHART .................................................... 24

"Disassembly for repair" is for DV-303.

Note: There is different part in this manual as compared with a usual one because we use OEM
tactorys data.

KENWOOD MODEL OEM MODEL

DV-303,DVF-5020 DVD-A120U
DVF-K5020 DVD-A160EN
Accessories
r w
Remote control unit ......... 1 Batteries .................... 2 AC cord ...................... 1
(A70-1353-08): K,K1,Y for remote control unit [size "AA"] (E30-2937-08): K,K1

(A70-1369-08): M (E30-2946-08): Y,M

Video/audio cable ............ 1 Digital cord ................... 1 Ac plug adapter ............... 1
'(Eacizsas-bs)"" ' ' ' ' ' ' ' ' ' (E3Di2365»05) ' ' (E03-0115-05): M

Use to adapt the plug

on the power cord to

the shape of the wall outlet.
(Accessory only lor regions where use is
necesary.)

How to read the schematic diagram

Connection of "from or to".

OFTR @

Port name
0 There are some destinations in this schematic.
. Figures which is more than 20,000 is omitted first digit in Mic jack and Mic volume circuit.
(Example) R4001 -> R24001

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DV-303/DVF-5020/K5020

ADJUSTMENT

1. Video Output (Luminance Signal) Adjustment
Do this adjustment after replacing a C.B.A.

Measurement point Adjustment point Mode Disc
Video output terminal VR3501 (mother C.B.A.) Color bar 75% DVD disc (Color bar 75%)
Measuring equipment. tools Adjustment value
Screwdriver, Oscilloscope 1000mVp-pt20mv
200mV/div, lousec/div

Purpose: To maintain video signal output compatibility.
1. Connect the oscilloscope to the video output terminal and terminate at 75 ohms.
2. Adjust VR3501 so that the luminance signal (Y+S) level becomes 1000 mVp-ptzo mV.

2. Video Output (Chrominance Signal) Adjustment
Do this adjustment after replacing a C.B.A.

Measurement point Adjustment point Mode Disc
Video output terminal VR3511 (mother C.B.A.) Color bar 75% DVD disc (Color bar 75%)
Measuring equipment. tools Adjustment value
Screwdriver, Oscilloscope 675mVp-ptt 3mV
200mV/div, lousec/div

Purpose: To maintain video signal output compatibility.
1. Connect the oscilloscope to the video output terminal and terminate at 75 ohms.
2. Adjust VFt3511 so that the chrominance signal (C) level becomes 675 mVp-ptl3 mV.

Screw driver

VR3511

21