Pioneer f 90 service manual

Page 1

(U) PIONEER

Sefiice

CIRCUIT DESCRIPTIONS
REPAIR & ADJUSTMENTS ORDER NO.

ARP 5326-0

FM/AM DIGITAL SYNTHESIZED TUNER

F-QO

MODEL F-90 COMES IN SEVEN VERSIONS DISTINGUISHED AS FOLLOWS:

Type Voltage Remarks
KU ACI 20V only U.S.A, model

HE AC220V, 240V (switchable) European continem model

HB AC22OV, 240V (switchable) UniKed Kingdom model

8 AC1 10V, 120V, 220V, 240V, 240V (swiichablel General export model

S/G ACI10V, 120V, 220V, 240V (swixchable) US. Military model

SS AC1 10V, 120V, 220V, 240V (switchable) South Africa model

HEZ AC22DV, 240V (swixchable) Wesr Germany model

o This service manual is applicable to the KU type. For servicing of the HE and HB types, please refer to
the pp. 44 - 50.
For servicing of the other types, please refer to the Additional Service Manual.

0 Ce manuel dinstruction se refére au mode de réglage, en francais.

O Esta manual de de servicio trata del método de ajuste escrito en espafiol.

CONTENTS

1. SPECIFICATIONS ..................... 2 91 SCHEMATIC DIAGRAM ................ 27
2, FRONT PANEL FACILITIES ............. 3 10. ELECTRICAL PARTS LIST .............. 31
3. PARTS LOCATION .................... 5 11. ADJUSTMENTS ...................... 34
4. PACKING .......................... e RE'GLAGE .......................... 37
5. EXPLODED VlEW .................... 7 AJUSTE ............................ 4o
5, BLOCK DIAGRAM .................... 9 12. SAFETY INFORMATION ............... 43
7S CIRCUIT DESCRIPTIONS ............... 11 13. FOR HE AND HE TYPES .............. 44
8 P1 C. BOARD CONNECTION DIAGRAM ..... 24

PIONEER ELECTRONIC CORPORATION 4-1, Meguro 1-cname, Meguro-ku, Tokyo 153. Japan
RIDNEER ELECTRONICS [USA] INC. 1525 E Dorrw'Iguez Sc Long Beach, Caiiv'urma 50510 U.S.A.

RIDNEER ELECTRONIC [EuRopE] N.v. Keenberglean 1 2740 Beveren, Belgium

PIONEER ELECTRONICS AUSTRALIA PTY. LTD. 1787le Boufldaly Roam BPaeSIde, VICCOIIa 3195, Auschaha

FL (9 APR. I983 Printed in Japan