Kenwood RXD 251 Service Manual
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Extracted text from Kenwood RXD 251 Service Manual (Ocr-read)
Page 1
RXD7251~(K) iutlp 99.108 6:45 PM \°-/ 2 /\
MINI HiFi COMPONENT SYSTEM
RXD-251/301/301E/301W/
351/351E/351W/3718/A3
SERVICE MANUAL
(XD-251~A3)**
KENWOOD
© 1998-7/351-5454-00 (K/K) 3763
Knob Knob Knob
(K29-7521-08) (K29-7522-08) (K29-7523-08)
K b * I\ - """""""""""""""""" \ / - K b *
«2%» TEED mu- 1 ($91
KENWOOD kiPaneKCD)
(A60-)
Knob
(K29-7512-08)
I Front glass
' (A29-)
Knob
(K29') ,-Knob
/\ (K29-)
\ / K£2095) 7513 08 Km"
( - - ) C) (3 fRJ (I) (3 V (K29-7518-08)
Micjack
'iflix
\
00+
_ Knob
O {y- A (K29-7519-08)
V R EV
Phone Jack
(E11-0386-08)
(K29-7511-08)
(E11-0387-08) 4C1)
Knob k0 0
I
Knob \
(K29-7515-08)
Front glass(L) \
(810-3450-08)
Cassette |id(L) %
(A53-)
Refer to page 2 if you want to know system configuration.
/ (K-29-7516-08)
Front glass(R)
' (810-3451-08)
Cassette |id(R)
(A53-)
. Front panel
(A60-)
Illust. is RXD-351.
* Refer to parts list on page 38.
in compliance with Federal Regulations, following are reproduc-
tions 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
fii
Page 2
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RXD7251~(K) iutlp 99.108 6:45 PM Nb? 3
RXD-251/301/351/371 S/A3
CONTENTS / ACCESSORIES
Contents
CONTENTS / ACCESSORIES .................................... 2 WIRING DIAGRAM .................................................... 15
EXTERNAL VIEW PARTS DESCRIPTIONS
CONTROLS ......... PC BOARD ..................
BLOCK DIAGRAM .. SCHEMATIC DIAGRAM.
CIRCUIT DESCRIPTION ............................................. 7 EXPLODED VIEW .......
CD MECHANISM OPERATION DESCRIPTION ......... 9 PARTS LIST ................. ..
ADJUSTMENT .......................................................... 11 SPECIFICATIONS ..................................................... 47
Accessories
7777777 FM indoorantennaIII~~~~~~~~~~W ACplugadapmrm
Europe and U.K. Other countries (E03-0115-05)
(T90-0836-05) (T90-0801-05)
:E1E2E3E4T1TZQ1QZ :KIPIY1M1M2M3XIX2X3
Batteries (RS/AA) (2)
9
AM loop antenna (1)
(A70-1260-08)
Use to adapt the plug on the power cord
to the shape of the wall outlet.
(Accessory only for regions where use is
I
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I
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I
I @l
I
I
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necessar.
(T90-0815-08) I)
Remote control unit (1)
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System configuration
Cautions
SYSTEM MAIN UNIT DESTINATION SPEAKER
XD-301 RXD-301 E3T2X3 Ls-N3o1
xo-301 E RXD-301 E E4 LS-N301
XD-301W FtXD-301W 02 Ls-N301
XD-351 RXD-351 E1T1 Ls-N351
xo-351 RXD-351 M1 x1 Y1 Ls-N371
XD-351 E RXD-351 E E2 Ls-N351
XD-351W RXD-351W Q1 Ls-N351
XD-A3 RXD-A3 K1 P1 LS-N351
xo-371s RXD-37t 3 M2 LS-N371
xo-251 RXD-251 M3X2 Ls-N351
Operation to reset
The microcomputer may fall into malfunction (impossibility to oper-
ate, 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 procedure to reset the microcomputer and return it to
normal condition.
Press the "POWER" key while holding the Stop (I) key of
the CD section pressed, to switch off the power, and then
switch the power on again after a few seconds.
0 Please note that resetting the microcomputer clears the contents
stored in and returns and to condition when it left the factory.