Pioneer SA 9100 Schematic

Page 2

99.59.?

"I.

11.

12.
13,

SA-91 DO

CONTENTS

AMPLIF|ER CHARACTERISTICS ........................ 2
SPECIFICATIONS
CONNECTION DIAGRAM
FRONT PANEL FACILITIES .
BLOCK DIAGRAM .......
CIRCUIT DESCRIPTION

5.1 Equalizer Amplifiar . . .
6.2 Control Amplifier
6.3 Faker Ampli er
6.4 Power Amplifier
6.5 Protmion Circuit . . . .

6.6 Power Supply Civauil . .

DISASSEMBLV .................... . . ............. . 15
PARTS AND P.CI BOARD LOCATION

8,1 Top View . . . . 18
8.2 Bottom View , . 17
ALIGNMENT PROCEDURE

9.1 Idle Cunent Adjustmenl ........................... 13
9.2 Adjustment ql Neutral Potemill ....... I I ............. 1B
EXPLODED VIEW AND PARTS LIST ......................... 19
SCHEMATIC DIAGRAMS, PICI BOARD PATTERNS AND PARTS LIST

11.1 Circuit Connection Diagnm 2nd Miscellaneous Parts ....... . 23
11.2 Equ r Amp Ass'y (Awamro) .................. . 31

11.3 Control Amp Assv IAWG-018-A) ...................... 33
11.4 Film Amp Ass'v (wa.uz1.o), . .
11.5 Power Amp As'v (AWH-023»B) . . .
11.6 Prolenion Circufl A5s'y (AWMoZS-A) . . I ,
11.7 Power Supply Circuit-A Ass'v (AWR-D31»0) L
11.3 Power Supply Circuit-B Assv (AWE-0324)) .
11,9 Switch-A Ass'v IAV'S~D38-O) . . , .
11.10 SwilCh-B Ass'y (AWSOKQ-O) .
11,11 Switch-C Ass'y (AWS-IJAO-OI ----- . . . . , -
11.12 Volume Ass'y (AWX-048-0) ..................

PACKING METHOD AND PARTS NUMBERS ................. 57
SKELETON APPEARANCES OF TRANSISTORS