Onkyo R 811 RDS Service Manual

Page 1

ONKY-OO40(

R-811RDS

Ref. No. 3474

ONKYO SERVICE MANUAL

QUARTZ SYNTHESIZED
TUNER AMPLIFIER

MODEL R-811RDS

Black and Silver models

UP, BUP

230V AC, 50H:

UW. BUW

120 or 220V AC, 50/601-12

SAFETY-RELATED COMPONENT WARNING! !
COMPONENTS IDENTIFIED BY MARK A ON
THE SCHEMATIC DIAGRAM AND IN THE PARTS
LIST ARE CRITICAL FOR RISK OF FIRE AND
ELECTRIC SHOCK. REPLACE THESE COMPO-
NENTS WITH ONKYO PARTS WHOSE PART
NUMBERS APPEAR AS SHOWN IN THIS
MANUAL.

MAKE LEAKAGE-CURRENT OR RESISTANCE
MEASUREMENTS TO DETERMINE THAT EXPOSED
PARTS ARE ACCEPIABLY INSULATED FROM
THE SUPPLY CIRCUIT BEFORE RETURNING

THE APPLIANCE TO THE CUSTOMER.

ONKYO
AIIIIIII IIIIMPIIIIINIS

TABLE OF CONTENTS

Specifications ~~~~~~~

Service procedures"
Exploded View
Parts list 44444
Microprocessor conneciion diagram-
Terminal descriptions -----------------
IC block diagrams and descriptions"
Packing View ................
Adjustment procedures-~-
Printed circuit board View from bottom side"
Schematic diagram ~~~~~~~~~~~~~
Printeti circuit board parts list
Block diagram'

Page 9

LM7001 (PLL Synthesizer and Controller)

Elfi'EC-j;

x?" Reference D der

Phase
Delector
Charge Pump

11
FM INc
% Programable Divider --

[T

10
AM INc

Shift Register/Latch

14
PD]
15

PD2

12
C VDDI

13
VDD2

16
V35

n

3 4 5 7 a .2.
CE CL mu lafi'l no: 1303
Pin No. Terminal Desalpllon
l xour Coma III: 72ml: cryslal Monitor,
2 MN
3 CE culpemlsle wnninzl. Connect lo me lemlml m. of the mi W.
4 CL Serial clock inpul luminll. Connect [0 the mlml ACL 01 me micropromsor.
5 DATA Serial 4m inpnl mmiml. Comm lo lhe unninal ADA or the microprocessor.
6 m Not used.
7 AUTO/MONO AUTO/MONO mm at Ill: low level.
3 W FM releaion lefmiml. FM ll llle low levgl
9 m AM selection ImrlinII. AM aI me low level.
lo AMlN AM loul oscilllwr signal input terminal
ll mm m local osfillalor sigml lnpul lamina]
12 VDDl Power supply terminal for badK-lfl).
13 vnm Power smmminal
14 Pm cnuge pump onlpul luminal
ls PDZ Clmge plump mnpul mmillal
l6 sz Ground lcrrrlimI
TA7291 S (Motor Drive)
Vull Van]
.f T! ,
Om
K I
I IN] 1N2 OUTI OUTZ MOTOR
! H L H L Normal
3
o v.
if L H L H Reverse
2
£6.10 H H OFF OFF Stop
L L OFF OFF Stop
Vial , VII-2
i O
L
P: Al :IC

R-811RDS