Kenwood RXDV 727 Service Manual

This is the 50 pages manual for Kenwood RXDV 727 Service Manual.
Read or download the pdf for free. If you want to contribute, please mail your pdfs to info@audioservicemanuals.com.

Page: 1 / 50
left right
Kenwood RXDV 727 Service Manual

Extracted text from Kenwood RXDV 727 Service Manual (Ocr-read)


Page 1

RXD7525(K) COVER1,1P( 99.11.15:35PM \°~/1 /\

MINI HiFi COMPONENT SYSTEM

RXD-V525/V626/V727/V828

SERVICE MANUAL
(XD-V525~V828) **

KENWOOD

© 1999-8/B51-5567-00 (K/K) 406

Knob From glass
(K29-7470-14) (810-)

m». ma :mrmzm 5mm

osnnunv 3A,,
mm.
mums MODE

l/(b

Knob
(K29-7471-14)

Knob
(K29-7547-04)

1:112:1 Knob

(K29-7466-04)

Phone lack
(E11-0219-05)

SELECT o O

ENTER up

Phone (aok
(E11-0280-05)

r\
\/

Aum REVERSE

Cassette lid assy(L) -

(A53-)

"on NO

KENWOOD

Panel assy 7H
(A60-)

D/[ll]

"Refer to page 2 if you want to know system configuration.

Cassette lid assy(R)

(A53 )

_Panel assy(CD)
(A29-1067-03)

* Refer to parts list on page 55.

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

Refer to the RXD-652 service manual (851651700) for
DISASSEMBLY FOR REPAIR.

defeated.

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

AVOID DIRECT EXPOSURE TO BEAM

fii

Page 2

RXD7525(K) COVER1,1P( 99.11.15:35PM \°~:/°2 /\

RXD-V525/V626/V727/V828

CONTENTS / ACCESSORIES / CAUTIONS

Contents

CONTENTS / ACCESSORIES /CAUT|ONS .............. 2 PC BOARD .............................................................. 13
EXTERNAL VIEW ............ ...3 SCHEMATIC DIAGRAM ..
CIRCUIT DESCRIPTION. 4 EXPLODED VIEW


ADJUSTMENT ...................... 1 O PARTS LIST ..............
WIRING DIAGRAM ................................................... 12 SPECIFICATIONS .................................................... 67
Accessories
r 1
FM indoor antenna (1) AM loop antenna (1)
(Too-oaae-os) (T90-0837-05) Ac plug adaptor (1)

(EO3-O115-05) Use to adapt the plug on the power cord to

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

Batteries (RS/AA) (2) Video cord(1)

(E30-1427-05)
° / Provided in the speaker package
Remote control unit (1)
(A70-1302-05): RC-V828...RXD-V828
(A70-1303-05): RC-V727...RXD-V727
(A70-1304-05): RC-V626...RXD-V525/V626 Battery cover (A09-0399-08)

K§\ IN PUT

KEV F

W\\
\/
.. 033$;
[3 (3 [DB


REM or: confirm uu rr
nc-vaza

KENWOOD

DIGESY mm assume mssum

:cno

System configuration

SYSTEM MAIN UNIT DESTINATION SPEAKER SP CORD PARTS NO.
XD-V525 RXD-v525 MI LS-N452 E30-5535-05
XD-V525 RXD-V525 V LS-N552 E30-5535-05
XD-V626 RXD-V626 MI LS-N552 E30-5535-05
E30-5535-05
XD-V727 RXD-V727 MIV LS-N752 E30_5559_05
LS-N552 E30-5535-05
XD-V828 RXD-V828 MIV CPS-N552 E30_5542_05
Cautions
Operation to reset Unplug the power cord from the power outlet

The microcomputer may fall into malfunction (impos- the"! while holding the ENTER key depressed,
. . . _ plug the power cord again.
SIbIIIty to operate, erroneous display, etc.) when the

power cord is unplugged while power is ON or due to /
an external factor. In this case, execute the following 4 Imam

procedure to reset the microcomputer and return it to

normal condition. 0 Please note that resetting the microcomputer clears the
contents stored in memory and returns it to the condition
2 when it left the factory.

I I 4%?

Page 25

I RXD7525(K) PCBSD2,2P( 99.11.1 5:42 PM \°~/ 11 V


BD BE BF BG BH Bl BJ BK BL BM
(x32-37ao-20) (X13-765X-XX) (3/2)
_____________________________________________________________ ETD ___
055m . I is
33w *2) vom §§ VlDEO
(9 new WHs vein 2 Q w
e . :6: var
>5v .5v .sv >5v V .5v 5 Dl5v DOW G)-
CNS
(3 co GND
oSV KEV .5V 45V 5EV o5V MPGE SV
@ Mpegeno
49v tev lav 49v .9v coev glISETlWL
3 OPTICAL
.gv .9v .9v .gv tgv cmv MECHA
.345v tam .345v .mv 3 I345v>_@ aAsv
.5v .5v A5v .sv 5W .5v 5:) msv
442v \f 42v 42v
m ":5 :9 m
g m m3 CtmsaP I z: 90v 5 no
A05 _mmai< g g X g g > 35. L? 3?
me . Q9 x q, . Flt}? 2 mun? : R1036 a ?
. a a"\, 2&7 27" 8::
7 a? > III?) a -I*/{ic7
A lOK eI ' T N (22) I
a é 2 $9. 2 s 7
K E :1 row K r 123v g g g % 42v I
g 6 , 6 E I CAUTION: For continued safety, replace safety critical components only
3 with manufacturer's recommended parts (reler to parts list). 3: indicates
5 g' h E I safety critical components. For continued protection against risk of fire,
' ' E I replace only with same type and rating fusels). To reduce the risk of electric
I shock, leakage-current or resistance measurements shall be carried out
a N .5v m a V all? may (exposed parts are acceptably insulated from the supply circuit) before the
939 W 3 § 33 R1533 § 07 3g WW" I appliance is returned to the customer.
L200 WE L3 L4 05 m U: ANALOG I
If 24v (R)
VlDEO% 22w; X} 1 cc. 3 c. W I
OUT E 56 c E9 E E > I
I The DC voltage is an actual reading measured with a high impedance type
a V voltmeter. The measurement value may vary depending on the measuring
2 I 55 wég g I instruments used or on the product. Refer to the voltage during PLAY
. om 45v .5v .5v .5v .5v 4 RI , v . .. . . .
l I . I . I I I unless otherwrse specified, The value shown In ( ) Is the voltage measured
3 WF J III was a a E a. W 2 5V at the moment of STOP.
> . o , a v
N 2 «us WES g x 3: 3 47m g g u I
36v , n m m I a : >a ,
was ms 5 I q a g g 5 47v we a I; 26 a § § |
4; Reg sea {Madge l (3125 I
5 Q. an; 2 g a g 0020030 me 500W x
r: a ZEX é i5 §§§2§§8§ cg IQIIIRIII I
W E g g 4. |
8 E ; 22v I
can 3 t3 .5 22v
w E: . |
> ¥H53 Risa 45v 3A _ 45v 5V : I
9 «us to cum 3
7 ~-Ias 8" 22v 22mm g t |
us 2: ' ' I
mm W32
E W3 88 47v 47K .sv I
E mm 59 :17: ,
I . .. av 4% |
T 9 47v 47K I
(lDB :: R172 '
so. 9. W I .. I
«um 95 R179 I
kags 96 m/ A7K 7
mm 97 WI 43 |
nay 98 av 47K ' I
«we 99 R177
; H99 m 6 W m |
, x '6 R124 >
e o m a v T |
g g D a E S i 5 2 g g g g mum
00222 3 a 2 a 2 was WWW |
inwm m N m. m c. :. 9' g 3 2' a a a a RMHW .
. . . > . . > . . . . I |
z 2 S e 2 Q i s 3 S f : z I
a H m H ")2 E g H I
$5 EX,§XSE:jésax sxsgmsx ox > I
E T T ' T
.5v i i .sv .w i .5v .w T I
x J J J I
E E g ---DlGlTAL g a I
T 7 7 I

RXD-V525/V626/V727/V828(3/8) Y3 9 _ 3 2 70 _ 21