Pioneer tx 520 service manual

Page 1

CIRCUIT DESCRIPTIONS

REPAIR & ADJUSTMENTS ORDER NO.
ART-653-O
STEREO TUNER
MODEL TX-520 COMES IN FIVE VERSIONS DISTINGUISHED AS FOLLOWS;
Type . Valtaga Ram-7k:
KU AC1 zov only U.S.A, model
YP ACZ40V only Australia model
S/G ACIIOV, 120v, 220v and 240v (Switchable) u.s. Milixary model
S AC110V,120V, 220V and 240V (Switchable) General export model
35 ACHOV, 120v, 220v and 240v (Switchable) Search Africa model
0 This service manual is applicable to the KU type.
0 When repairing the YP,S and 8/6 types, please see page 25.
0 Ce manuel dinstruction se refére au mode de réglage, en fran¢ais.
O Este manual de servicio trata del método de ajuste escrito en espafiol.
1 SPECIFICATIONS ..................... 2 9. ELECTRICAL PARTS LIST ............. 11
2. FRONT PANEL FACILITIES .............. 3 10. EXPLODED VIEW ................... 13
3. BLOCK DIAGRAM .................... 4 11. PACKING .......................... 14
4. CIRCUIT DESCRIPTIONS ................ 4 12. ADJUSTMENTS ..................... 15
5. PARTS LOCATION .................... 5 REGLAGE ......................... 18
6. DIAL CORD STRINGING ................ 6 AJUSTE ........................... 21
7. RC BOARDS CONNECTION DIAGRAM ..... 7 ADDITIONAL SERVICE MANUAL ........... 25
8. SCHEMATIC DIAGRAM ................. 9 (FOR YP,S AND S/G TYPES)

PIONEER ELECTRONIC CORPORATION <17 Megum 1 rCllarYle. Megmmku, Tokyo 153. Japan
u... PIONEER ELECTRONICS CGHPDHATDN as Dxfcrd Dma MuuxaL n.2, New Jersey 07074. u s A

momma: ELECTRONIC (Eu-anus: ~.v. Lulmagenwavml 53 2030 Ammerp Belglum

RDNEER ELECTRDNICI AuaYnALlA urv. LTD. 1 787 E4 Baundarv Quad Braesde. Vlcnorla 3795. Auerslxa

FH© MAR. 1981 Printed in Japan