Pioneer a 33 service manual
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Page 1
(V) PIONEER
Sefiice
Wanna]
CIRCUIT DESCRIPTIONS
REPAIR& ADJUSTMENTS _- m ,, Lu " ORDER NO.
' ARP1235-A
STEREO AMPLIFIER
A-33CBKJ
MODEL A-33 (BK) COMES IN THREE VERSIONS DISTINGUISHED AS FOLLOWS:
Typa Powar requirement Export destination
HEZ ACZZOV, 240V (switchable) West Germany
HE ACZ2OV, 240V (switchable) European continent
HB ACZZOV, 240V (switchable) United Kingdom
I This service manual is applicable to the A33 (BKI/HEZ, HE and HB types.
0 As to the HE and HB types, please refer to pages 17.
CONTENTS
I. EXPLODED VIEWS AND PARTS LIST ....... 3 4. SCHEMATIC DIAGRAM ................. 11
2. PACKING .......................... 6 5 ELECTRICAL PARTS LIST ............... 14
3. P.CI BOARDS CONNECTION DIAGRAM ..... 7 6. FOR HE AND HE TYPES ................ 17
PIONEER ELECTRONIC CORPORATION 4-1, Magma I-Chome. Meguro-ku. Tokyo 153. Japan
PIONEER ELEcTnoNIcs SERVICE INC. PD. Box 1750 Long Beach, Cahforma 90504. LI,S,A
TEL [213} 420-5700
PIONEER ELECTRONIC [EURDFE] N.V. Keecuergaam 1, 2740 Beveren, Begum TEL: gee/7752805
RIDNEER ELECTRONICS AUSTRALIA RTY. LTD. 178-184 Ecumjary Esau. Eraeswde, Vuccoma 13155 Austraha
TEL zoayEaO-QEM
YG (9 AUG, 1986 Prmted inlapan
Page 2
Line voltage selection (HE, HEZ and HB types)
Line voltage can be changed with following sleps,
1. Desconnect the AC power cord.
2. Remove the top coveri
3. Change Xhe connection wire (To Power transformer)
of Terminal No.3 (WHITE) as follows.
Voltage Terminal No. 3 Terminal No 5
220V White wire ..........
240V ......... White wire