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dQ) PIONEER'
The Art of Entertainment
Service
Manual
STEREO AMPLIFIER
A-604R
A-604R-G
ORDER NO.
ARP2890
THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).
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_PowerRequement
|
Remarks
|
| OO | =
faczz0v-2a0v
AC 240V, *
HEZ
| —
| OAc
220v- 2200
AC 240V, *
Oe
ye
|
:
AC 220V - 230V
AC 240V
AC 110,120V - 127V, 220V,240V
With the voltage selector
* : Alter the wiring of the Power-supply block at the primary
winding of Power-transformer referring
to the "Line Voltage Selection" described in Service Manual.
© For the following: A-604R/HEWZ
and SD; A-604R-G/HEZ, refer to page 32.
CONTENTS
1. EXPLODED VIEWS, PACKING AND
PARTS LIST isis issictcessceccassssetencetecorctcvaxtevsdaavasseese 2
2. PCB PARTS LIST uuu...
ee eee secseeeeeeseetenereeceensas 5
3. SCHEMATIC AND PCB CONNECTION
DIAGRAMS iid sics sciesecetdescdetvudsassierevevnsdeddasedacsands 9
4. ADJUSTMENTS ....... ccc eee eceeeeeeceneeseeeneeeeeeeeees 31
5. FOR A-604R/HEWZ,SD AND A-604R-G/HEZ ..32
6. PANEL FACILITIES...
eee eeeeeeereeeeeesereeeeseeees 33
7. SPECIFICATIONS ........ccsecsesseseesesesseesserseeseeenees 36
PIONEER ELECTRONIC CORPORATION
4-1, Meguro 1-Chome, Meguro-ku, Tokyo 153, Japan
PIONEER ELECTRONICS SERVICE INC. PO Box 1760, Long Beach, CA 90801-1760, U.S.A.
PIONEER ELECTRONIC [EUROPE] N.V.
Haven 1087, Keetberglaan 1, 9120 Melsele, Belgium
PIONEER ELECTRONICS ASIACENTRE
PTE. LTD.
501 Orchard Road, #10-00 Lane Crawford Piace, Singapore 0923
© PIONEER ELECTRONIC CORPORATION
1995
O-ZFC MAY. 1995 Printed inJapan
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