Pioneer c 90 a service manual

Page 1

(U) PIONEER

The future of sound and vision.

Satirica-

C 5 3111181 ORDER No.
._1 ARP1 635
STEREO CONTROL AMPLIFIER
MODEL C-90a HAS THREE VERSIONS:
Type Power requirement Export dutinatlon
HE AC220V,24OV l5witchable) European continent
HB ACZZOV,240V lswhchable) United Kingdom
HEZ AC220V,240V lswhchabie) West Germany

Change the primary wiring oi the power transformer.

. This manual is applicable to the C-90a/HE,HB and HEZ types.
' For the HB and HEZ types. refer to page25.

CONTENTS

1. EXPLODED VIEWS AND PARTS LIST ------ 2 5. PC BOARDS CONNECTION

2. PACKING ............................................. 8 DIAGRAM .......................................... '7
3. ELECTRICAL PARTS LIST --------------------- 9 5. FOR HB AND HEZ TYPES -~ 25
4. SCHEMATIC DIAGRAM ------------------------ 13 7. PANEL FACILITIES -------- 26

8. SPECIFICATIONS ................................ 29

PIONEER ELECTRONIC CORPORATION 44. Meguro 1»Chome, Meguro-ku. Tokyo 153, Japan

PIONEER ELECTRONICS SERVICE INC. PO. Box 1760. Long Beach. Californla 90801 USA

PIONEER ELECTRONICS OF CANADA, INC. 505 Cochrane Dnve, Markham, Ontano L3H 8E3 Canada

PIONEER ELECTRONIC [EUROPE] N.V. Keetberglaan l. 2740 Beveren, Belgium

PIONEER ELECTRONICS AUSTRALIA PW. LTD. 178484 Boundary Road, Braeside, Victoria 3195. Australia TEL: [03] 580~9911

© PIONEER ELECTRONIC CORPORATION 1988 YO JULYIBSS Printed injfipan

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1. EXPLODED VIEWS AND PARTS LIST

NOTES:

I Part: without part number cannot be supplied.

- The A mark found on some component parts indicates the importance of the safety
factor of the part. Therefore, when replacing, be sure to use parts of identical designa-
don.

0 Parts marked by ©" are not always' kept in stock. Their delivery time may be longer
than usual or they may be unavailable.

Parts List of Exterior

Mark NO- Part3 ND. Description Mark Nor Parts No. Dascrlptlon
1 AWZ1059 Switch A assembly 101 Bong, plate
2 AMR1159 Leg assembly 102 Spacer ring
3 AA81001 Knob lBALANCE,TREBLE,BASSl
4 AADlOlZ Knob (POWER)

5 AA01014 Function knob assembly A

6 AAD1015 Function knob assembly C

7 AADlOl 6 Knob (MUTE)

8 AAD1017 Knob (TONE, LOUDNESSI

9 AAF1012 Knob (VOLUME)

10 AAK1024 Arm L

1 1 AAK1025 Arm R

12 AAM1001 Name plate

13 AAN1082 Door panel

14 AAY-157 Knob (ADAPTOR, TAPE COPY,

MODE, PHONO SELECTOR,
SUBSONIC FILTER, HIGH

FILTER)
15 AMS1033 Side board L
16 AMS1034 Side board Fl
17 ANE1007 Bonnet case
13 ABH1005 Coil spring
19 ABH10'l1 Earth spring
20 ADH1003 Wire (EARTH)
21 ABA1023 Decorative screw

22 BBZSOPOBOFZK Screw
23 FBT4OP080FZK Screw
24 BBZZGPOBOFMC Screw

25 NKQOFUC Nut

26 ABA1048 Screw
27 ABA101 1 Screw
28 AED1007 Sheet
29 ANZ-255 Damper
30 ABA1006 Screw

31 PMZSOPOGOFZB Screw
32 PMZ3OPOSOFZB Screw

33 ABA1050 Screw

34 AZN1825 Front panel assembly
35 PTZZOPOSOFMC Screw

36 AEDlOOS Door cushion

37 AED1004 Cushion

38 AEE1003 Label