KENWOOD DVF-R9050 Service Manual

Cover page of KENWOOD DVF-R9050 Service Manual

Service Manual for KENWOOD DVF-R9050, downloadable as a PDF file.

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In compliance with Federal Regulations, following are repro-
duction of labels on, or inside the product relating to laser
product safety.
KENWOOD-Crop. certifies this equipment conforms to DHHS
Regulations No.21 CFR 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.
70%
MULTIPLE DVD VCD CD PLAYER
© 2001-8 PRINTED IN KOREA
B51-5750-00 (K/K) 2492
PHONES
STANDBY
DISC SKIP
PURE AUDIO
MODE
PHONES LEVEL
POWER
VIRTUAL
SURROUND
ON
OFF
M I N
MAX
SAMPLING
192kHzfs
DISC 1
DISC 2
DISC 3
DISC 4
DISC 5
OPEN/CLOSE
96kHzfs
Knob *
(K29-)
Knob *
(K29-)
Panel *
(A60-)
Phone jack
(E11-0190-05)
TV SCART
YCR
CB
VCR SCART
COAXIAL
COMPONENT
VIDEO OUTPUT
DIGITAL OUTPUT
(PCM/BIT STREAM)
INTERFACE
PROGRESSIVE
OPTICAL
S VIDEO OUTPUT
1
2
VIDEO
OUTPUT
6CH. OUTPUT
COMPONENT VIDEO OUTPUT
FRONT
SURROUND SUB WOOFER
CENTER
MIX LINE
OUTPUT
1
2
L
R
Front glass
(B10-3609-02)
DV-5700
SERVICE MANUAL
DVF-R9050/R9050-S
Knob *
(K29-)
Metallic cabinet *
(A01-)
Pin jack
(E63-1128-05)
Slide switch
(S31-1623-05)
Pin jack
(E63-1156-05)
AC power cord bushing
(J42-0083-05)
Rectangular receptacle
(E58-0027-05)
Oscillating module
(W02-2732-05)
Cylindrical receptacle
(E56-0031-05)
Pin jack
(E63-1171-05)
AC power cord *
(E30-)
Pin jack
(E63-1158-05)
Illust. is DVF-R9050
* Refer to parts list on page 61.
background image
In compliance with Federal Regulations, following are repro-
duction of labels on, or inside the product relating to laser
product safety.
KENWOOD-Crop. certifies this equipment conforms to DHHS
Regulations No.21 CFR 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.
70%
MULTIPLE DVD VCD CD PLAYER
© 2001-8 PRINTED IN KOREA
B51-5750-00 (K/K) 2492
PHONES
STANDBY
DISC SKIP
PURE AUDIO
MODE
PHONES LEVEL
POWER
VIRTUAL
SURROUND
ON
OFF
M I N
MAX
SAMPLING
192kHzfs
DISC 1
DISC 2
DISC 3
DISC 4
DISC 5
OPEN/CLOSE
96kHzfs
Knob *
(K29-)
Knob *
(K29-)
Panel *
(A60-)
Phone jack
(E11-0190-05)
TV SCART
YCR
CB
VCR SCART
COAXIAL
COMPONENT
VIDEO OUTPUT
DIGITAL OUTPUT
(PCM/BIT STREAM)
INTERFACE
PROGRESSIVE
OPTICAL
S VIDEO OUTPUT
1
2
VIDEO
OUTPUT
6CH. OUTPUT
COMPONENT VIDEO OUTPUT
FRONT
SURROUND SUB WOOFER
CENTER
MIX LINE
OUTPUT
1
2
L
R
Front glass
(B10-3609-02)
DV-5700
SERVICE MANUAL
DVF-R9050/R9050-S
Knob *
(K29-)
Metallic cabinet *
(A01-)
Pin jack
(E63-1128-05)
Slide switch
(S31-1623-05)
Pin jack
(E63-1156-05)
AC power cord bushing
(J42-0083-05)
Rectangular receptacle
(E58-0027-05)
Oscillating module
(W02-2732-05)
Cylindrical receptacle
(E56-0031-05)
Pin jack
(E63-1171-05)
AC power cord *
(E30-)
Pin jack
(E63-1158-05)
Illust. is DVF-R9050
* Refer to parts list on page 61.
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Video cable (1)
(E30-1427-05)
Audio cables (3)
(E30-0505-05)
Joystick remot control unit(1)
(A70-1489-05): RC-D0711
Batteries (R6/AA)(2)
Battery cover (A09-1124-08)
S Video cable(1)
(E30-2956-05)
Coaxial cable (1)
(E30-2365-05)
DV-5700/DVF-R9050/R9050-S
2
CONTENTS / ACCESSORIES / CAUTIONS
CONTENTS / ACCESSORIES / CAUTIONS ............. 2
DISASSEMBLY FOR REPAIR....................................3
BLOCK DIAGRAM ......................................................4
CIRCUIT DESCRIPTION ............................................5
MECHANISM DESCRIPTION...................................22
ADJUSTMENT ..........................................................26
WIRING DIAGRAM ...................................................27
PARTS DESCRIPTIONS ..........................................28
PC BOARD .............................................................. 29
SCHEMATIC DIAGRAM .......................................... 36
EXPLODED VIEW ....................................................58
PARTS LIST..............................................................61
SPECIFICATIONS ......................................Back cover
Contents
Accessories
CAUTION
VISIBLE LASER RADIATION
WHEN OPEN. DO NOT
STARE INTO BEAM.
Location: Back panel
Inside this laser product, a laser diode classified as
Class 2 laser radiation is contained as alerted by the
internal caution label shown above. Do not stare into
beam.
Location: DVD laser pick-up unit cover inside this
product
CLASS 1
LASER PRODUCT
The marking of products using lasers
(For countries other than U.S.A., U.S.-
Military and Canada)
The marking this product has been classified as Class
1. It means that there is no danger of hazardous
radiation outside the product.
Cautions
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DV-5700/DVF-R9050/R9050-S
3
DISASSEMBLY FOR REPAIR
1
5
2
3
6
4
5
HOOK (
x2)
HOOK
x2
Guide
6
3
4
HOOK
GUIDE
ARM
DRIVE
GEAR
HOOK
LOADING
GEAR (A)
(Free)
PROTRUSION OF TRAY
2
1
5
REAR
1. How to Remove Tray
1. Remove the front panel and flexible cable.
Disassemble the X25, X35 and power supply pcb with
sub chassis if it is a difficult.
2. Push and hold the lever(
)to clockwise and pull out the
tray to frontwards(
) where the hook of tray(
) meets
with guide(
).
3. Push hooks(
), both sides, inwards and release them
from guides(
).
4. Pull hooks of tray(
) outwards and remove the tray
upwards(
).
2. How to Assemble Tray
1. Adjust the position of drive gear as figure(
).
Check traverse unit is at the lowest position.
2. Load the tray on the loading mechanism.
Check the position where the loading gear(A) is free(
)
3. Meet the hooks with guides and push hooks to load the
tray(
).
4. Set the right side hook to loading mechanism(
).
5. Set the left side hook to loading mechanism with pulling it
outwards(
).
6. Push the tray backwards(
).
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DV
-5700/DVF-R9050/R9050-S
4
BLOCK
DIAGRAM
DAT0-3
VIDEO ENCODER
PROGRESSIVE SCAN CONVERTER
MP3 DECODER
TRACKING
FOCUS
STD0-7
STD0-7
VD0-7
IEC OUT
B/Cb OUT 0-9
R/Cr OUT0-9
G/Y OUT0-9
Y, C
G, B
Y, Cb, Cr
Y
COMP
C
AV1 RGB OUT
DVD RGB
AV2 RGB
DVD Y, C, COMP
AV1 Y, C, COMP
AV2 Y, C, COMP OUT
AV2 Y, C, COMP
AV1 Y, C, COMP OUT
AV2 AUDIO
DVD AUDIO
AV1 AUDIO OUT
AV1 AUDIO
AV2 AUDIO OUT
AV2 FUNC,BLK
AV1 FUNC,BLK
AUDIO DAC
DRIVE
AUDIO SW
I/P SW
SCART CONTROL
VIDEO SW CONTROL
DMIX
AUTO (FL, FR)
AUTO1 (SL, SR)
AUTO2 (C, SW)
Fs
OUT
27M
SCAN CONVERTRE
PROGRESSIVE
VIEDEO ENCODER
ODC
ADSC
MP3
CPPM,
DRIVE
DAC
IEEE1394
POWER
: AC230V~ 50Hz
(E)
: AC110-120V
: AC120V 60Hz
50/60Hz
(K)
(Y)
A+9V/-9V
M+9V
AGND
FL-35V
FL+-
DGND/SGND
D+5V/3.3V
EV+12V
EVGND
EV+5V
DAC+5V
A+7V/-7V
A+5V/-5V
D+2.5V
PLAY/OPEN/CLOSE
CONTROL
/MGND
AUDIO
DVD
CD
/220-240V~
PROG
Y
C
13.5M
384Fs
768Fs
Y, Cb, Cr/R,
MP3 DATA , LRCK, BCK
PLL/DSL
HF
SERVO CONT
CIRC/DAC
SERVO CONTROLLER
MN67706
ADVANCED DISC
OPTICAL DISC
CONTROLLER
ATAPI
ROM DEC
ECC
4MDRAM
MN103S13B
IC101
IC900 & SPREM
MP3 DECODER
DECODER
CPPM
IC400
MN5C27D4H
CSS2
DISSCRAMBLE
8M FLASH ROM
IC901
CSS DISSCRANBLE
MN677521HB
AV DECODER
VIDEO DECODER
MPEG,SUB PICTURE
MPEG,DTS,AC3,LPCM
AUDIO DECODER
ENCODER
NTSC/PAL
PCM &
SPDIF
VIDEO DAC
SDRAM I/F
OSD
64M SDRAM
IC301
ADDRESS DATA BUS
MF3 SW
DVD u-COM
IC201
8M FLASH ROM
IC207
8M FLASH ROM
IC215
IC500
DETECTOR
WATER MARK
MF7F015
EEPROM
IC206
S/P
APC
RF AMP
DRIVER
AN8499
MM
TRAVERSE/
LOADING
SPDL
PICKUP
AN8708
AN8708
FRONT-END
PROCESSOR
COLOR, NR CONTROL
BRIGHT, SHARP, GANMA
PROGRESSIVE SCAN
CONVERTER
CGMS, MCROVISION
PROGRESSIVE SCAN CONVERTER
IC700
16M SDRAM
IC702
16M SDRAM
IC701
FL12200
VIDEO
DAC
ADV7196
IC800
YUV TO RGB MATRIX
COLOR, NR CONTROL
BRIGHT, SHARP, GANMA
VIDEO ENCODER
IC600
CAPTION CONTROL
CGMS, MCROVISION
3ch
6ch
DAC
VIDEO
ADV7190
13.5M
6.75M
6.75M
6.75M
MM1540
IC601
MUTE
ONLY
I/P SW
Y OUT
J604
Cb OUT
Cr OUT
J601
OUT
COMPOSIT
J602
J S1
S OUT
J S1/S2
J603
S OUT
VIDEO FILTER & BUFFER
BLK. FUNC
IC401
SCART AV1
SCART AV2
S601
PROGL SW
IC1
SYSTEM u-COM
MN101C28CMA
OPEN
TRAY SW
TRAY SW
CLOSE
M
LOADING
POSITION
SENSOR
ROTARY
M
FOR FL, FR
IC901
KAN06
KAN06
FOR SL, SR
IC902
ONLY
C, SW
KAN06
IC903
DATA SW
FRONT
PCM1602KY
6ch DAC
IC205
192k 24bit
FOR FL, FR
FOR SL, SR
96k 24bit
FOR C, SW
96k 24bit
PCM1748
FOR DMIX
IC204
2ch DAC
96k 24bit
60kHz
OUT SW
60kHz
60kHz
60kHz
LPF SW
110kHz
Q222-225
MUTE
(E)TYPE
Q226-229
MUTE
Q230-233
MUTE
Q234-237
MUTE
J201
MIX L
MIX R
FR
FL
SR
SL
SW
C
COAX.
J202
A201
OPT.
MP3
X35 (IC900)
27MHz
(IC210)
1/2
X35
PLL
X35 (IC300)
1/2
X35 (IC211)
33.8688MHz
X25 (X302)
X25 (X301)
36.864MHz
Fs SW
1/2
(IC904)
X35
SW
MP3
MP3
SW
X35 (X201)
1/2
DVD u-COM
X35 (IC201)
SW POWER SUPPLY
REG
X25 (Q201-204)
REG
X25 (IC602,603)
X35 (IC303)
REG
X25 (IC218)
REG
IR
KEY
DOT DRIVER
IC1
LED
ED1(16-ST-43GNK)
FL
J501
J502
DMIX
IC212
SW
MAIN DATA LINE
AUDIO LINE
VIDEO LINE
(E)TYPE ONLY
(IC209)
X25
OUT
OUT
COMPOSIT
OUT
(E)TYPE
(E)TYPE
ONLY
(E)TYPE
ONLY
AVDEC
SCART CONTROL
DRIVE
DRIVE
DRIVE
PICKUP UNIT
(X14-7160-10)
MECHA.
(X00-3060-11)
CLK SYSTEM
(X35-2290-11)
(X25-646X-XX)
DV-5700,DVF-R9050
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DV-5700/DVF-R9050/R9050-S
5
CIRCUIT DESCRIPTION
TEST MODE
This model has 3 kind of test modes; unit inspection, factory test mode, measurement. In this manual, items of repair, test
mode and inspection are available.
Setting
Turn power on with pressing "PAUSE" key. Display shows "TEST".
Turn power on with pressing "DISC1" key. Display shows "INSPECTION".
Cancellation of Setting
Turn power off.
Key vs Function
Keys which described in the following table work as it is.
TEST MODE
Key
Mode
Display
Operation
PLAY
-
Playback time
Disc Playback
SKIP-UP
STOP
All segments light î
Niagara mode î
Playback time î
Display shows cyclically by pressing key
SKIP-UP
PLAYBACK
Playback time
Playback next chapter/track #/program #
SKIP-DOWN
PLAYBACK
Playback time
Playback before chapter/track #/program #
STOP
-
Time
Stop to operate and return to first step of this
test mode.
DISC2
PLAYBACK
MUTE ON î MUTE
OFF
Mute works cyclically on or off.
DISC3
-
LPF 60k î LPF 110k
Speaker protection works cyclically on or off.(Cut-
off freq. Change 60k or 110k)
DISC4
-
WIDE1 î WIDE2
NORMAL
WIDE mode changes cyclically WIDE1 or WIDE2.
DISC5
-
SCART RGB î SCART
YC î SCART Through
Video signal of SCART changes cyclically
RGB(DVD) î Y/C(DVD) î Through(AV1
AV2)
OK or IC***
Self check mode(refer to Servo Error Code)
STOP+DISC1
STOP
Rotary turns clockwise.
STOP+DISC2
STOP
Rotary turns counter clockwise.
STOP+DISC3
STOP
Tray opens
STOP+DISC4
STOP
Tray closes
DISC SKIP

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