Pioneer SX-770 Service Manual

V
FTONEEM,'
16383
v
SOLID
AM-FM
STATE
STEREO
RECEIVER
M.DELSXT770
Thank
you
for
your
purchase
of Pioneer's
Model
You
can
be sure
it
will
give
you
many
years
sx-770.
of listening
fleasure.
To
get
the
most
manual
and
follow
Happy
listeningl
from
your
SX-770,
read
through
this
its
directions.
INSTALLATION,
OPERATING
AND SERVICE
MANUAL
lncluding
PABTS
LIST,
CtRCUtT
DIAGRAMS,
TROUBLE
SHOOTING
AND MOUNTING
TEMPLATE.
(KCW)
\;

Pioneer SX-770 Specifications

General

Brand	Pioneer
Model	SX-770
Category	Receiver
Language	English

Summary

Installation, Operation, and Service Manual

Front Panel Controls and Indicators

Speaker Selection and Power Switch

Controls speaker output selection and powers the unit on/off.

Tuning and Signal Indicators

Features for tuning radio stations and indicating FM stereo reception.

Selector and Mode Switches

Switches for selecting input sources, listening modes, and filters.

Rear Panel Connections

Speaker and Antenna Connections

Terminals for connecting loudspeakers and AM/FM antennas.

Ground and Audio Input Terminals

Connectors for grounding, turntables, microphones, and auxiliary inputs.

Output, Tape, and Power Connections

Terminals for line output, tape decks, fuse, and AC outlets.

Antenna Connection and Grounding

Reception of Broadcast

Reception of FM Broadcast

Steps for tuning and optimizing FM radio reception.

Reception of AM Broadcast

Steps for tuning and optimizing AM radio reception.

Recording and Playback with Tape Recorder (or Tape Deck)

Alignment of FM Section

Alignment of MPX Section

Alignment of AM Section

Technical Specifications

Audio Section Specifications

FM Section Specifications

Troubleshooting Common Issues

Understanding Audio Noise Sources

Explains common sources of unwanted noise in audio equipment.

Troubleshooting Broadcast Reception

Addresses symptoms related to poor FM/AM broadcast reception.

Troubleshooting Record Playback Issues

Power and Record Playback Problems

Parts List - Initial Components

Parts List - Additional Components

Parts List - Tuner and Integrated Circuits

Parts List - Control Amp and Coils

Parts List - Main Amp and Switches

Parts List - Diodes, Switches, and Power Supply