Pioneer tx 9100 service manual

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TX-91 DO

CONTENTS
SPECIFICATIONS .......................................................................................... Z
CONNECTION DIAGRAM ............................................................................ 4
FRONT PANEL FACILITIES ...................................................................... 5
BLOCK DIAGRAM ........................................................................................ 7
CIRCUIT DESCRIPTION
5.1 Muting Circuit ..................................................... 9
5.2 MPX Decoder Circuit 9
5.3 Pulse NoiseSuppressor ........................................................................... 9
TUNER CHARACTERISTICS ........................................................................ 10
DISASSEMBLY PROCEDURE ...................................................................... 11
PARTS LOCATION
8.1 Top View 12
8.2 Bottom View .. 13
DIAL STRINGING PROCEDURE ........................................ .. 14
ADJUSTMENTS ..................................................................... . 15
EXPLODED VIEW AND PARTS LIST ........................................................ 17
SCHEMATIC DIAGRAMS, P.C. BOARD PATTERNS AND PARTS LISTS
12.1 Circuit Connection Diagram and Miscellaneous Parts List ....................... 21
12.2 FM Front End (AWB-O13, AWE-015) .. 24
12.3 AM/FM IF Amplifier Assembly (AWE-026) . ....25
12.4 MPX, AF Amplifier Assembly (AWD-OOZ) ............................................. 32
12.5 Volume, Headphone Amplifier Assembly (AWM-O38) .. 38
12.6 Lever Switch Circuit Assembly (AWS-OSZ) ................. .. 40
12.7 Muting Circuit Assembly (AWM-044) ..................................................... 41
12.8 Power Supply Circuit Assembly lAWR-OZS) .......................................... 42

PACKING METHOD AND PARTS NUMBERS 44

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