Pioneer SX-3800 manual H H T H H, Contents

MODELSX . 38OOCOMESIN FOURVERSIONSDISTINGUISHEDAS FOLLOWS:

Type	Volt4e	R e m a r k s
K U	1 2 0 V o n l y	U . S . A .m o d e l
s/G	110V, 120V, 22QV, and 240V (Switchable)	U . S . Militarv model
s	110V, 12OV,22OY, and 24OV (Switchabte)	GeneralexDort model
K C	l 2 0 V o n l y	Canadamodel

r This servicemanualis applicableto the KU type. Whenrepairingthe S/G and S Wpe,please seethe additionalservicemanual 47 -p571.

lp Whenrepairingthe KC type. oleasesee the a- dditionalservicemanual(ART-519).

I

;

t

H H H

n

CONTENTS

1 . S P E C I F I C A T I O N S			3
2 , F R O N TP A N E LF A C I L I T I E S			5
3 . B L O C KD I A G B A M			7
4 . C I R C U I TD E S C R I P T I O N S
	4 . 1 F M T u n e r		I
	4 . 2	AM Tuner	o
	4 . 3	DisplayCircuit	o
	4 . 4 E q u a l i z e r A m p l i f i e r		1 2
	4 . 5 ToneControlAmplifier		1 2
	4 . 6 PowerAmplifier . . .		1 2
	4 . 7 PowerIndicatorCircuit		1 4
	4.8	ProtectionCircuit	1 4
5 . D I S A S S E M B L Y . . . .			1 6
	PARTSLOCATION		1 7
1	D I A LC O R DS T R I N G I N G		1 9
8. ADJUSTMENTS
	8 , 1 F M T u n e r		20

8 . 2	AM Tuner	22
8 . 3 P o w e r A m p l i f i e r . . .		2 3
8 . 4	FL Indicator	24
	Circuit
9 . E X P L O D E VDI E W		2 5

1 0 . S C H E M A T I CD I A G R A MP, . C .E O A R D

C O N N E C T I ODNI A G R A MA N D P A R T SL I S T

10 .1	SchematicDiagram	3l
10 . 2 P . C .Board		35
	ConnectionDiagram
1 0 . 3 P a r t s L i s t		. . . , . . . 4 1
1 1 .P A C K N G . . . .		4 6
A D D I T I O N A LS ER VI C EM A N U A L
I . S P E C F C A T O N S		. . . . . 4 7
2 . CONTRASTOF MISCELLANEOUSPARTS. . . . 48
3 . S C H E M A T I CD I A G R A M P, . C .B O A R D
PATTERNSAND PARTSLIST
3.1	SchematicDiagram	49
3 . 2	SwitchAssembly	57
	{AWS . 148)

I

H H H H T H H I

ti

II

e +