Pioneer SA 420 Service Manual

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Extracted text from Pioneer SA 420 Service Manual (Ocr-read)

Page 1

(U) PIONEER"

Seﬁice
Wanna]

REPAIR& ADJUSTMENTS . ORDER NO.

STEREO AMPLIFIER

A-4ED

MODEL SA-420 COMES IN FIVE VERSIONS DISTINGUISHED AS FOLLOWS:

[VT/raji 7 :pltage if ( Remarks
KU 120V only U.SIA, model

- S 110V, 120V, 220V and 240V (watchablel General export model
YP 240V only Australia model

' HE 220V and 240V (Swixchablel Europe model
HB 220V and 240V (Switchable) l United Kingdom model

ART-646-0

o This service manual is applicable to the KU type (pp. 1 ~ 17), YP and S types (pp. 19 - 27). When

repairing the HE, HB types, please see the additional service manual (ART»647).

I For the circuit description, please refer to the supplement of model SA-720 service manual (ART-765).

0 Ce manuel d'instruction se refére au mode de réglage, en francais.
o Este manual de servicio trata del método de ajuste escrito en espaﬁol.

CONTENTS

1. SPECIFICATIONS ..................... 2 8. ELECTRICAL PARTS LIST ...........
2. FRONT PANEL FACILITIES ............. 3 9. PACKING ........................
3. BLOCK DIAGRAM .................... 4 10. ADJUSTMENT ....................
4. PARTS LOCATION .................... 5 ' REGLAGE .......................
5. EXPLODED VIEW ..................... 6 AJUSTE .........................
5. PC. BOARDS CONNECTION DIAGRAM ..... 8 ADDITIONAL SERVlCE MANUAL FOR YP,

7. SCHEMATIC DIAGRAM ................ 11 AND S TYPES -----------------------

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