Kenwood KRA 4010 Service Manual

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Kenwood KRA 4010 Service Manual

Extracted text from Kenwood KRA 4010 Service Manual (Ocr-read)


Page 1

KMR-Aiimo KZNWOOD

SERVICE MANUAL

©1989-5 PRINTED IN JAPAN
851-3894-00 (O) 3012

Panel Metallic cabinet Front glass Knob
(A01-1746-01) (310-1006-03) (K298597414)

0": -r¥ -_

Phone jack Knob Knob Knob Knob
lE11-0162~05) lK27-1987-04) x 2 lK29-3598-04) X4 (K27-l725-04) (K29-3632-04)

Terminal board Slide switch*

Lock terminal board* Bindinng post

(E204 (NOS-012885) (E20-0823-05) (331-3010-05)
l AC outlet* Power cord bushing

l (E03-l (J42-00IB3-05)

Phone jack Slide switch AC poviver cord*
(E13-062l-05) (S31~2132-05) (EEO-l

F60t* Phono jack
(JOZ-l x 4 (E13~0446-05l

Slide switch *
(5314136435)

* Refer to parts list on page 38.

Page 2

KR-A401O

CONTENTS

DISASSEMBLY FOR REPAIR .. . 3 ADJUSTMENT .

BLOCK DIAGRAM ............................ 5 REGLAGE .....

CIRCUIT DESCRIPTION ABGLEICH

1. Description of components ................................ 6 ADJUSTMENT/REGLAGE/ABGLEICH .....

2. Microprocessor uPD7538AC-041 VOLTAGE TABLE .......................................
(X11-2650-10 : IC1) ............................. 7 PC BORD (COMPONENT SIDE VIEW) ......

3. PLL CX1925B (X14-2540-10 : ICZI . 13 PC BORD (FOIL SIDE VIEW) ..................

4. FM MPX AN74IO.(X14-2540-10 : ICSI .............. 14 SCHEMATIC DIAGRAM

5. STK4171I5 : Main amplifier EXPLODED VIEW... ..
(X14-2542-71: lc7) : T, E type ............ 15 PARTS LIST ..... .. 38

6. STK4172/2 : Main amplifier SPECIFICATIONS... BACK COVER

IX14-2540-XX : I07): K, P. M. X type ................. 15