Pioneer ax 30 schematic

Page 1

ORDER NO.

AR P-02 3-0
STEREO AMPLIFIER
A-X3I
MODEL A-X30 COMES IN THREE VERSIONS DISTINGUISHED AS FOLLOWS:
Type I Voltage Remarks
l. ~57 . AC 220v only Europe model 7 -1
vs AC 240v only i i 7 i United Kmooom rnodel i
:s 1 , AC llov, 120v,220v and 240v (Swuchable) 7 General export mooel 7 - "d

0 This service manual is applicable to the NE type. When repairing the YB type, please see page 15.
When repairing the S type, please see the additional service manual .
o For the circuit description, please refer to the model A-X50 service manual .

CONTENTS

1. SPECIFICATIONS ...................... 2 6. EXPLODED VIEWS ..................... 6
2. FRONT PANEL FACILITIES ............... 2 7. P.C. BOARDS CONNECTION DIAGRAM ....... 9
3. PACKING ............................ 3 8. SCHEMATIC DIAGRAM ................. 11
4. BLOCK DIAGRAM ...................... 4 9. PARTS LIST ......................... 13
5. PARTS LOCATION ..................... 5

FIONEER ELECTRONIC CORPORAT'ON 4-7 Ix/IDQJFW -:"5'Y3 Fx/Ieg_.r"'- k l, T'w- ,m: 75} Jelpilll

LLB. PIONEER ELECTRONICB COQPORATIONI RF) Huh? :2 [Ur lw: Ps/ll'lt'lr'lrll."»-e. New Jepsey l.) 71J7d USA
DIMEEH ELEWIC (EURDDE) N.V. Ll...lf| y-rl our" 3, 2"7'64] A'l'n./.I":.-, Bull'pl'v
FIWEER ELECTQONICB AUSTRALIA pTY. LTD. 17!? lLJJ UV. ."'lrl' y HUI: Elven-unit: Vv 'l. 'l "317351 A.lL'l'.llll

II V IQkl Dunn-ll m Inn m

Page 2

. . NOTE:
8 0 S C H E M ATI c D I AG R AM - The indicated semiconductors are representative ones

o'nly. Other alternative semiconductors may be used and

are listed in the parts list.
TONE CONTROL Assy

MAIN Am _ mc vague As VOLUME 535, eye-155,52) _
" - , I ,2, vmos: me:
_ _ I . 31 (mo: : VOLUME '0' 1-: so: LOW/man 1' 5,510,351
35 I ACT-I47 I I can c": ASG-aos lnd ed' ' W WW . _
3 , I '50, .50, (cat m .2, I. . . 596 tolerance unless othcnmu noted I. , kg!
' vmom M : Mn, "3 * 4%. (G) : '2, "(I . - 10%,IM) f: ZO'Llolefance
a BI! L 230 (9 L
I . 2° ' 2. CAPACITORS:
.l 3 J. . . Indicated in counciw (uFlt'voluge IV) unless otherwm noted 0 pt»
I 1 n . Y T 2( . Indficatlon without voltage us 50V except electvolvuc common
I I . ' .
an A mum-
: I ~| .3 " , 230(- 2 R If 3. VOLTAGE. CURRENT:
. E Signal volley: a! 20 W o 20 W 8:: (mum) HkHI)
. I I . D
3 o I I ' 0107 HMSSBC - P E: r . , , Value in I ) (5 OC voitage at rated mmv ,
M)C AMP m _ u IVR'OLDEIYC_:I:IW I I no: . . . CJmADC ouucmu nompmmnal
- , sos-I-z
I ' L ' fl 9::aigofir 3'53, 4. omens.-
EWALIZER_Assy GWF-143 _ ' +5; (or . _ . , A a \ .y Sm. mm
L I 5:05-2-2 050053-2 @ . Adjusting point.
fink v '5 o 6 r 9 g - 'n L The A mark found on some component pans unchcaIes "w (m
n L 3" c I $.33. 5.5.3, 90(13an 0! the safety Ixtov M the pan) ThuMou-_ when 'ep'mcmq
wk" ; '3 m" cu 7 000! L ° .26 be mm to use pan: 0! idem-cal deugmtuon
M
mos II a .0 no, u ' '0' _ _ SWITCHES: .
m V H . R s: . POWER on - Off
«(01): L 7 mm c ' '
i f a -
" was a _ 50) V FUNCTION (TAPE) 0N - gr
I L
cm) IF] 4 I m I _ _ _ 5:02 . FUNCTION (AUX) 0N - o_F§
"535. ~er 3 ?¢ Ii ' I <9" ° " '° 7 903; FUNcrION (TUNER) ON- m
9 m a n ' ' ' + z 1 I): cm ' 5104: FUNCHOMPHONO) ON-Ofl
2 ma) (. cm "' 00.an 30" " A $1 5905-) LOW/HIGH aoosr ON-fi
W use 3 1- 2 an m" . , soos-z- HIGH aoosr o~-o_F§
323. '3'. 0,0, °-°"" " ° 4 u I : 5 E t - 22. I 9 7 . s um I WF sues-3: LOW eoosr ON -o_I=F
- [-L _ I L'" ' 3 'V" " BR E .
9 )1 455°C P ' "'8' u I I 3 fl ' The undulmed indicatenhe switch pom-on)
. EOUALIZER I2 , PHONES
cm msfi cm AMP __ .9 OIOI.IO3 ' am A 3 '61:»? fflfs
no. as. oo c007 cm w a --H- FLNCTION '52:. '0 & '69 3:0 ' 5 33? (37"
H 0 no 9 I300, - 3 H SELECTOR R403 '1 I?" 0.102).) "2" : s 'I'his is the basic schematic durum, but the actual ovum (my varv
50' CM .- 002 )- fl!!!) A 9" due to improvements to design.
.3: 5500. '°°°' I REC OUT (fr: as: am 5 J's" ._._..._"_. cm
$59; ma? o no Cll9- ' m . 1 m . (go, an? cu , A 33? Inc .
" I 5" 2° 0,041' m cm I no use (so an
:33. 3'11 " I I. o L '1
cm y ' o
I 5 I v50 J- SP 0
I as; ' was a o R J
PHONO ' 5 4 ' Ir--|.m 3-4 gage o
I- Imz coo: o i 0 so.
, 2.2- 4.7/50 :23] (use
RCH | , . .0 A "3°
m II 1 ' "2', /2"
I
m a (z
AUX C in Jf CR4 m
o "no u-
moo I. (5 - _
Rec c 4)» ¢ J
I
PLAY c it " J- mos-s. m zsczeos ocos.20( (0E2
I 005.006 NA1397P 0112 280836A
I 0I15~119 zsAms POWER AMP REGULATOR gag. .
- LEO DRIVER , mcaso A
' I 5- n Arr-us
_ - (36) l'""'""'
mu DIIO KZLOGI
7 I u I rue) @(Low) «n D?
I
' ' 4: H.102 Anna) 5
H 1* son
. . t2: 7 v 4 A 1' FD? I t
.2 runs Qua-mm) mg *3: "g '3: ".3:
f
5 I u I Mums: V 7 "0'3 :3: #2; one. - $C'35
lg-I IE] om am on °" °" cm "2°
. 0100 $100 c«2 3
. c: .30.: 0359" am no 3253
sm- sm- 5 i on o.) o.
3-3 2-3 I a 25 23 , 23 L , *_
u , m 0(07 0106
as: as: , M2 - 27o KZLMO
cue i 036
(00
(MM ' "° 008.09 $73?"
114042! _ 1°83 34 moves
" comm. -
TONE CONTROL Assy A a J. Ass-$22
ewe _-155 (1/2) . .9 .. .2 (0 To zI 3 a 55»- EEJ T i
7
' DO'N'o 04 a o: 65 02 a! o: E ---- A 4
1513359 0 CK 03 0 0: CK 01 CK 5 . 0 2m DGOP! :01:
[ mo. ' ' )- Ac 220v
,. '3 7 .. ' 2:605:35? ww-
svo: 6 o
I136 0 An: 04)
502 W .-.+- '
Th n35 __ _
3.03 F 9 POWER SUPPLY 09ch FOR Y8 MODEL
am from
I I I In PHOW
3.0. . I o-ICMI;--f r o FUSE Ass'
AUTO _
0.0! F :TIC E V '+'-
$343,123 I i I I ":35 €05-sz meA (s on: T R 1-4
6"" on: om on: om °L° a 0.0) (or am on 0.0(I I
' . ., J cm + F?- '
, _ 4 TAPE
SWITCH Ass? GWS ~3H . -rj * T 00' I I
DIISNIIG nu: Ina:
182076 loo: (0- L