Kenwood DVK 750 Service Manual

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DVsK750/S7OO (K) COVER( 98.2.216137 y [W 3

DV-K750/S7OO

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CONTENTS/ACCESSORIES/CAUTIONS

CONTENTS
CONTENTS/ACCESSORIES/CAUTIONS ................... 2
CONTROLS .......................... ...3

DISASSEMBLY FOR REPAIR.
BLOCK DIAGRAM ..
CIRCUIT DESCRIPTION.
ADJUSTMENT ..............

5
...9
.12
....19

Accessofies

PARTS DESCRIPTION .............................................. 20
PC BOARD ......................
SCHEMATIC DIAGRAM ..
EXPLODED VIEW ..
PARTS LIST .........
SPECIFICATIONS ..

/

Audio cord (Red, White) .....(1)
(E30-0505-05)

System control cord ............ (2)
(E30-2733-05)

Fiemote control unit ............ (1)
RC-D0701 :A70-1192-05
RC-D0702 : A70-1193-05
RC-D0700 :A70-1198-05

battery cover : A09-0362-08

Digital cord (Orange) .....
(E30-2365-05)

..... (1)

AC plug adapter ................. (1)
(E03-0115-05)

w,

Batteries (RS/AA) ................ (2)

H

Use to adapt the plug on
the power cord to the shape
of the wall outlet.
(Accessory only for regions
where use is necessary.)

Video cord (Yellow) ............ (1)
(E30-1427-05)

\ j
Caufions
Bewaedcaziasdim Hybmmadm

When the difference between the internal temperature of the unit
and external atmosphere is large, dew (mist) may be produced on the
internal parts of the unit. In such a case, tum the unit ON and leave
it for a few hours until the condensation has dried up.

Be especially careful in the following conditions:

When the unit is brought into a place where there is a large difference
in temperature between the previous location, when the humidity of
the listening room is high, etc.

Before transporting or moving this unit, carry out the following
operations.

1. Tum the unit ON but do not load a disc.
2. Verify that the display shown appears.

3. Wait a few seconds and set the unit to STANDBY mode.

Merriam

The microcomputer may fall into malfunction (impossibil-
ity to operate, erroneous display, etc.) when the connec-
tion cards are unplugged while unit is ON or due to an
external factor. In this case, mecute thefollowing method
to rset the microcomputer and return it to normal condi-
tion.

While holding the stop (I) key depressed, press the
POWER switch to OFF then ON again.

0 Please be aware that resetting this unit will erase all stored infonna»
tion and return it to the factory settings.

Page 4

Main unit (DV-S 700)

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Mainunl keyswiththesamenamsasmekeysonthe
remotecnntml unithavethesarnemncdons as Elem.

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WSW. mm

9 @0 90

VCD and CD rnlorrna
tlon rndlcators

DVD lrlformauprl

DVD, VCD and CD rndlcators rndlcators

Giro

Specral playback rndlcators
tl STEREO and R lndrcators

Dc 1 DOLEVDlGerL

Play and pause I
lndrcators

character lrlformatlcm drsplay

0 REMOTE POWER key
Press to tum power or the unrt (mm on to standby or Vlce versa.
a standby indicator
trghts rn power standby mode and goes off ln power on mode,
9 Remote sensor
0 FL DISPLAY key
Press to swltch the drsplayed lnlormatlon contents,
9 DVD indicator
trghts when a DVD drsc ls played,
6 Disc tray
Place the drsc to be played on the tray
0 Operr/ close (A) key
Press to open or close the dlsc tray
(When the unrt ls connected to anothercomponent through asystem
cord and ls ln standby mode preSSlng thrs key automatlcally turns the
unrt on and opens the dtsc tray.l
e SHUTI'LE («, ») comI
Press [a fast forward pr reverse 3 Wk Dr chapter,
9 MAIN PDWER swibotr
Press to turn the power of the unit between the standby and of!
modes.
@TEXT DISPLAY key
Durlrlg playback or a CDVTEXT dlsc, press to swltch the character
lnrornnatron drsplay,

About the STANDBY mode

OALL INFO. key
Dunnp playback or a CDrTEXT dlsc, press to drsplay all character
lnfDrmatan avallable

@TrrLE SEARCH key
Dunno playpackor a CDVTEXlesc. press to swrtch tltle search on and
orr.

Q REPEAT key
Press tor repeated playback
0 skip (m, »rl keys
DVD or VCD: Press erther key to skrp chapters or locate the beprnr
nlng or a chapter
CD Press to sklp tracks or locate the beprnnlng or a track
QStiII/pause (mm ) key
DVD or VCD- Press dunng playback to freeze the wdeo or press
dunng pause to advance the wdeo frame by frame
CD. Press to let playback pause temporanly
5 Stop (I) key
6 Play (>) key
Press to play audro and urdeo
(When the unlt ls connected toanother component through a system
cord and lS rn standby mode, pressrnp thls key automatrcally turns the
unlt on and starts playback)

Whrle the STANDBY tndlcator ls M a small amount or power rs supplled to the system to back up the memory Thrs l5 called the standby mode under

that condltlon, the system can be turned ON by the remote control unlt

Remote control unit

KENWOOD

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mererrmecontrolkeyswlthmesarnenamasmekeysoh
the maln unit have the sure functions aslhem.

0 FL DISPLAV key

9 POWER (l / (D I My

oco, VCD and DVD operation keys
still/Pamflmn afldflPIA) key
Press to move the cursor upward or let playback pause temporanly,
Dunno VcD or DVD playback, th5 key Is also used to treeze the vldeo
and advance rt lrame py rranne
ENTER key
Press to rnput the ltem selected wlth the cursor. rhrs key l5 also used
to start playback orthe track chapterortltle selected wrththe numenc
keys
Faslfomani (»llrast reverse(«), SLOWand |eWright(<1, or
keys

Press elther keyto move the cursorto the leltorndhtorto playadlsc
at a hlph speed rn the forward arreverse dlrectlon, Dunno VCD or DVD
playback, these keys are also used ln slow playback

Down (v) key

Press to move the cursor downward.

o can-EXT operation keys
TEXY DISPLAY Icy (CD)
When aCDTEXlesC ls usedl press to swlltrl the character lnfprmar
Don dlsplay
ALL INFO Icy (CD)
When a CDVTEXT drsc l5 used, press m drsplay all character lnrorrna
non
TITLE SEARCH key (CD)
When a CDTEXT dlst ls used, press (0 swlrch the lltle search mode
on and pH

9 Numeric to pp 9) keys
Press fordrrettmputoftrackand chaptemumbers,WhenaCDcrrVCD
dlsc ls used press to lnput the track number to be searched by track
search, When a DVD dlsc ls used, press to rnput the llpures ror tltle
search. chapter search or trme search

GOPENICLOSE (A) Icy

01V monitor operation keys
SHITITLE key (DVD)
Dunno playback or a DVD drsc. press to dlsplay the suptrtle language
code on the TV screen
SUBTITLE ONIDFF key (DVD)
Dunng playbackota DVD drsc. press to sztch the subtrtle on and off
AUDIO key (VCD, DVD)
Dunng playback of a VcD drsc, press to drsplay the volce language
code on theTVscreen, Dunng playbackptaDvD disc press to swrtch
the audio between STEREO. L and R
ANGLE key (DVD)
Dunng playback or a DVD drsc. press to drsplay the angle number on
the TV screen
ON SCREEN key (CD, VCD, DVD)
Press toswrtch the search prcturedlsplayontheTVscreen on and on
REI'URN kzy (VCD, DVD)
Press to return to the preVlous menu.
SEfuP kty (MID)
Press to dlsplay the rnrtlal settlng screen
TITLE key (DVD)
Press to dlsplay the tltle menu recorded ln the DVD drsc.
MENU key (DVD)
Press to dlsplay the DVD menu recorded lrl the DVD dlst.

ecu, VCD and DVD operation keys
PREVt (>«) and NEXY (w) keys
Press to sklptracks or locate the begtnrllrlg or a tack When aVcDor
DVD dlsc l5 usedl press to select the P.a.c., sklp chapters or locate
the beglnnrnp or a chapter,
REPEAT key
Press to swrtch repeated playback on and otl,
REPEAT A-B key
Used ln AVE repeated playback
5m an) key
sELEcr/play (e) key
Press to start playback When a VcD dlsc ls used, press to select a
menu In the PEC mode
Program operation keys
CLEAR key (CD, VCD, DVD)
Press rn the program mode to clear the last track or chapter ln the
program In the memory mode, press to clear the selected memory
number, Dunng numerlc lflputl press to clear the lnput figures.
MEMORY key (DVD)
Press to store ln memory a scene that you want to see later apaln
P.MODE key (CD, VCD)
Press when programmmg tracks n the desrred order

S'IOHLNOO

OOAS/OQDI'AG

91 Z ' Z ' 86 )HEIAOD (>1) OOLS/OSLXaAfl

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DV-K750/S7OO

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PARTS DESCRIPTION

CAPACITORS E E Tfi LH 2270 i 0045 Color «Capacitor value
1 2 3 4 5 e 010=lpF 2 2 0:220F
1 = Type ceramic, electrolytic, etc. 4 = Voltage rating 100 = IODF M h. I
2 = Shape round, square. ecl. 5 = Value 101 = 10091: 2 u [pier
nd number
3 = Temp. coefficient 6 = Tolerance 02 = 10001: = 00011'»F 15! number
103 = 0.0101:
- Temperature coefficient
151 Word C L P R S T U 2nd Word 6 H J K L
Color Black Red Orange Yellow Green Blue Violet ppml°C :30 :80 :120 1250 1500
ppm/C 0 ~80 -150 -220 -330 -470 -750 Example : CC45TH = -470 i 60ppml°C
- Tolerance (More than 10pF) (Less than 10pF)
Code C D G J K M X Z P No code Code B C D F G
1%) $0.25 :05 :2 i5 i10 i20 +40 +80 +100 More than 10uF-10~+50 (PF) 10.1 $0.25 :0.5 $1 12
-20 ~20 -0 Less lhan 4.71.1): ~10 ~ +75
. Voltage rating
2nd word A B C D E F G H J K V
lst word
0 1.0 1.25 1.6 2.0 2.5 3.15 4.0 5.0 6.3 8.0 -
1 10 12.5 16 20 25 31.5 40 50 63 80 35
2 100 125 160 200 250 315 400 500 630 800 -
3 1000 1250 1600 2000 2500 3150 4000 5000 6300 8000 -
. Chip capacitors Dimension (Chip capacitors)
(EX) C C 7 3 F S L 1 H 0 0 0 J Dimensron code L W T
E III III E II) I: Refer tome table above. Empty 56: 05 5.0: 05 Lessthan 2.0
I 2 3 4 5 6 7 1 = Type A 4.5: 0.5 3.2 1 0.4 Lessthan 2,0
(Chip) (CH. RH. UJ. 3L) 2 = Shape B 4.5 : 0.5 2.0 : 0.3 Less than 2.0
3 = Dimension C 4.5 1 0.5 1.25: 0.2 Less than 1.25
(EX) C K 7 3 F F 1 H 0 0 0 Z 4:Temp.coe1fic1em D 3.2: 0.4 2.5:03 Less lhan1.5
I1:I EI I? I? $1 I6:I 7 5=Voltage rating E 3.2: 0.2 1.6: 0.2 Less than 1.25
6 = Value F 2.0 t 0.3 1.25 1 0.2 Less than 1.25
(Chip) (B' H 7 = Tolerance G 1.6 t 0.2 0 8 : 02 Less than 1.0
RESISTORS
- Chip resistor (Carbon) Dimension
(EX) RK73E BZBOOOJ L IT
l:l E 1:) C) II) 1:! III
1 2 3 4 5 6 7
(Chip) (B,F) 1-1
W
- Carbon resistor [Normal type) Dimension (Chip resistor)
(EX) R D 1 4 B B 2 C 0 0 0 J Dimensron code L W T
F???I5:I-T-I? E 32:02 10:02 1.0
F 2.0 i 0.3 1.25: 0.2 1.0
1 = Type 5 = Raring wattage G 1.6:02 08:02 05:01
2 = Shape 6 = Value
3 = Dimension 7 = Tolerance Rating wattage
4=Temncoelflciem Code Wattage Code Wanage Code Wattage
1J 1/16W ZC 1/6W 3A 1W
2A 1/10W 2E 1/4W 3D 2W
ZB 1/8W 2H 1/2W

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