Kenwood VR 207 Service Manual

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KRFRV5010(K)COVER(98.12.912122 y [ w 3

Contents
CONTENTS / ACCESSORIES . ADJUSTMENT
CONTROLS ........................... PC BOARD .....

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

Accessories

+
KRF-VSOION6010N7010/VR-205/206/207/255/257

CONTENTS / ACCESSORIES

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SCHEMATIC DIAGRAM
EXPLODED VIEW ........
PARTS LIST ..........
SPECIFICATIONS

FM indoor antenna (1)
(T90-0836-05)

Remote control unit (1)
RC-R0307/R0407

Loop antenna stand (1)
(J19-3645-05)

Remote control unit (1)
RC-R0507/R0607

AC plug adaptor (t)
(E03-0115-05)

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

Batteries (ROS/AAA) (4)

Batteries (ROB/AA) (2)

K Model name vs remote controller
Remote controller . .
Parts number Model name Model name Destination Battery cover
VR»207 KP1
VR7257 K1P2
A7071194705 RC7R0607 VRv255 K1P2
KRF-V7010 Y1M1 1409-0366708
KRF7V701O X1E1T1
A70»1195»05 RCVR0507 KRFVV7O1OW Qt
KRF»V7010E E2
KRF-V6010 E
KRFVV601OW Qt
KRF7V6010E E1
A7071196-05 RCER0307 KRF7V501O E1T1
KRF7V5010W Q1 A0970396»08
KRF-V5010E E2
VR7206 K2P3
KRF-V6010 M1X1
A7071199705 RC7R0407 VR7205 KP1
KRF-V5010 Y1M1X1

Resetting the Microcomputer

II the microcomputer may malfunction (unit cannot be operated,
or shows an erroneous display) if the power cord is unplugged
while the power is ON, or due to some other external Iactor. lfthis
happens, execute the following procedure to reset the micro-
computer and return the unit to its normal operating condition.

For USA. and Canada

Unplug the power cord from the wall outlet, then plug it
back in while holding down the POWER key.

For other countries

With the power cord plugged in, turn the POWER key
OFF. Then, while holding down the ON/STANDBY key,
press POWER.

- Please note that resetting the microcomputer will clear the contents
oi the memory and returns the unit to the state it was in when it left the
Iactory.

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I VR-205/206/207/255/257 (K) (1/3)
I The DC voltage is an actual reading measured with a high impedance type volt- KRF-VSOIO/V6010/V7010/V5010W/V6010W/V7010W (E) (1/3)
I meter as the AM/FM signal generator is specified to the conditions as shown in the
I list below. The measurement value may vary depending on the measuring instru-
ICI * 75775 5917 0" 0 the POdUCt- The value shown 7 ( l 15 50MB] reading measured In CAUTION: For continued safety, replace safety critical components only with man-
I IC2 LC72I3I the AM made. ufacturer's recommended parts (refer to parts list). A indicates safety critical com-
I ponents. For continued protection against risk of fire, replace only with same type
CI 3 d 5.7 ZSCADEIIRSI or 250M IBIV GRI MODULATION . . I -
02I214 zsmmm SIoI 25A1535(V.GRI MODE CARRIER ANT INPUT and rating fusels). To reduce the risk of electric shock, leakage-current or reSIs-
I 0 259 FREQUENCY DEVIATION tance measurements shall be carried out (exposed parts are acceptably insulated
I m mew OrMAIASAoI ISSSDZ from the supply olrcuIt) before the appliance Is returned to the customer.
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