Pioneer tx 7100 service manual

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TX-71 DD

CONTENTS
SPECIFICATIONS .............................................. 3
FRONT PANEL FACILITIES ..................................... 5
CONNECTION DIAGRAM ....................................... 7
DISASSEMBLY ................................................ 8
PARTS LOCATION
5.1 Top View ................................ 9
5.2 Bottom View .............................................. 10
BLOCK DIAGRAM ............................................. 11
CIRCUIT ANALYSIS
7.1 FM Front End ............................................. 13
7.2 FM lF Amplifier ........................................... 13
7.3 FM MPX Section ........................................... 13
7.4 AM Section ............................................... 14
7.5 AF Section . . 14
7.6 Power Supply ............................................. 14
ADJUSTMENT
8.1 Required Measuring Instruments ............................... 15
8.2 AM Adjustment ............................................ 15
8.3 FM Adjustment ..................................... . 15
DIAL STRINGING PROCEDURE .................................. 16
EXPLODED VIEW AND PARTS LIST .............................. 17
SCHEMATIC DIAGRAMS, PC. BOARD PATTERNS AND
PARTS LISTS
11.1 Circuit Connection Diagram and Miscellaneous Parts List . . . . 21
11.2 Tuner Assembly (AWE-024) .................................. 25
11.3 AF Amplifier Assembly (AWK-O19) ............................ 30
11.4 Power Supply Circuit Assembly (AWE-027) .................. . . 34
11.5 Switch Circuit Assembly (AWS-O31) ............................ 36
PACKING METHOD AND PART NUMBERS ....................... 37
TUNER CHARACTERISTICS ..................................... 38