Pioneer tx 6800 service manual

Page 2

Both Model TX-6800 and TX-608 have the same basic performance. The major difference is in appear-
ance, Model TX-6800 being fitted with wooden side and top panels, while Model TX-608 employs metal.

MODEL TX-6800 COMES IN TWO VERSIONS DISTINGUISHED AS FOLLOWS.

Type Voltage Remarks T
KU 120V only U.S.A. model
KC 120V only Canada model

MODEL TX-608 COMES IN SIX VERSIONS DISTINGUISHED AS FOLLOWS:

Type Voluge Remarks 1
KU 120V only U.S.A. model

HE 220V and 240V (Switchable) Europe model

HB 220V and 240V (Switchable) United Kingdom model

HP 220V and 240V (Switchable) Oceania model

8 110V, 120V, 220V and 240V (Switchable) General export model

S/G 110V. 120V, 220V and 240V (Switchable) US. military model

This service manual is applicable to the TX-6800/KU. When repairing the TX-608/KU, please see page
23, and for the other types, please refer to the additional service manuals.

CONTENTS
1. SPECIFICATIONS ..................... 3 9. EXPLODED VIEW
2. FRONT PANEL FACILlTlES .............. 4 9.1 Exterior Components ............... 13
3. BLOCK DIAGRAM .................... 5 9.2 lnterior Components ................ 14
4. ClRCUlT DESCRIPTIONS . 10. SCHEMATIC DIAGRAM, P.C. BOARD
4.1 AM Tuner ....................... 5 PATTERNS AND PARTS LIST
42 FM Tuner ....................... 6 10.1 Miscellanea ...................... 15
5. DISASSEMBLY ....................... 7 02 s°hemati° 039" """"""""" 6
6. PARTS LOCATION .................... 8 10.3 P.C. Boards Connection Diagram ........ 18
7' DIAL CORD STRINGING ................ 9 10.4 Parts List of P.C. Board Assemblies ...... 21
8. ADJUSTMENTS 11. PACKING ............................ 22
8.1 FM Tuner ....................... 10 12. SUPPLEMENTS FOR MODEL TX-608/KU ..... 23
8.2 AM Tuner ....................... 12