Kenwood KRA 5010 Service Manual

Page 1

KR-A501O KENWQNSBE

SERVICE MANUAL

© 1989-4 PRINTED IN JAPAN
B51 -3895~00 (O) 2713

Knob ass'y

Front ghass Metallic cabinet
(K29-358l-04)

(310-) (Am-17464)

Phone jack Knob Knob Remote controller ass'y
(E11-0162-05) (K27-1987-04) x 2 (K29-3632-04) (A70-0264-05)

Phono jack Miniature phone jack Slide switch"
113-0446-35)X2 (E11-O188-05) (831-3010-05)

Binding post Terminal board AC outlet Power cord bushing
(N08-O128-35? (E20-0823-05) (603-0107-05) (J42-Q083~05)

%
.2!
a!
i

Lock terminal band* 1 Phono jack Foot AC power cord
(520») (E13-0820-05) | (J02-1013-05) x 4 (530-)
1
i 1
Slide switch* Slide switch
(531-2132-05) (831-2136-05)

*Refer to pans list on page 42.

Page 2

' KR-A501O

CONTENTS/LISTENING T0 BROADCASTS

CONTENTS

LISTENING TO BROADCASTS ......
REMOTE CONTROL .....................
DISASSEMBLY FOR REPAIR ..
BLOCK DIAGRAM ....................
CIRCUIT DESCRIPTION
1. Description of components....
2. CXP5016-33OS

Microprocessor (X13-619X-XX : I05) ................ 10
3. STK4201/2 : Main amplifier

(X14-253X-XX : IC7) : K, P, U, UE, M, X type ...17
4. STK4201/5 Main amplifier

(x14-2532-71 : Ic7) : E type .....................
5. AN7470 : FM MPX (X14-253X-XX : Ic3)..

...17

LISTENING TO BROADCASTS

6. CX79253 : PLL (X14-253X-XX : lCZ)
ADJUTMENT ..
REGLAGE .
ABGLEICH
ADJUTMENT/REGLAGE/ABGLEICH ..
VOLTAGE TABLE ..................................
PC BOARD (COMPONENT SIDE VIEW) .
PC BOARD (FOIL SIDE VIEW)
SCHEMATIC DIAGRAM
SCHEMATIC DIAGRAM
EXPLODED VIEW...
PARTS LIST ........
SPECIFICATIONS...

This unit allows both the frequencies and the names of broadcasting stations to be preset.
When a station is recalled by preset tuning, the display shows both the frequency and the

name of the station. (S.N.P.S.)

F Prelet vunctiun (I » 10/1 I - 20) key

f. Numenc (l-0/l0) keys

n. mm In: 1ch an...

[Inn-- m. am my..."

CHARACTER key

Selection of display characters with the
TUNING/CHARACTER key

Every time the UP segment oi the TUNING/CHARACTER key I:
pressed, the displayed character it varied In the flowing order

-A--BvCH- z Oal-- 2-- 3 9
Blank

[Pressing the DOWN segment vanes the dlsplayed character in the
reverse Order)

¥ mGIT kev

MEMORV key

TUNING/CHARACTER keys

I To preset station names and frequencies
(The station names can be displayed only
with station preset in CH 1 to OH 10.)

Example): To preset the 9150 MHz FM broadcast

lrequency and Its station name WNY" m
preset Chane) number 2

Tune to 9150 MHz FM
2, Press the CHARACTER key.

Press the TUNING/CHARACTER key to seiect "W"
Press the DIGIT key to set the character and move to
the next location.

s9.

5, Press the TUNING/CHARACTER key to select N.
6, Press the DiGIT key