Sanyo FXD-780GDSS - User Manual

Full Panel Detachable
High Power
FM/AM Stereo Receiver
Compact Disc Player
FXD-780GD (SS)
114782850
FXD-780GD (BK.SS)
114782855
FXD-780RDS (XE)
114782851
FILE NO.
REFERENCE No. SM-7900010
FXD-780GD
FM /AM CD RECEIVER FXD-780GD 50W x 4
1
23456
AUDIO
MUTE
VOL
RPTSHF
REL
LOUD
LO/DX
BAS-X
ATP
TUNTUN
TRKTRK
POWER
FXD-780RDS
Contents
SERVICE NOTES and PRECAUTIONS .................................................................................................................. 1
ELECTRICAL ADJUSTMENTS................................................................................................................................ 4
BLOCK DIAGRAM ..................................................................................................................................................11
IC/TRANSISTOR LEAD IDENTIFICATION............................................................................................................ 13
CD MECHANISM EXPLODED VIEW .................................................................................................................... 15
CABINET & CHASSIS EXPLODED VIEW............................................................................................................. 16
PARTS LIST - CABINET, CHASSIS AND ACCESSORIES ...................................................................................17
PARTS LIST - CD MECHANISM ........................................................................................................................... 19
PARTS LIST-MAIN ................................................................................................................................................. 21
PARTS LIST-DISP ................................................................................................................................................. 30
PARTS LIST-RF33 ................................................................................................................................................. 32
SCHEMATIC DIAGRAM ........................................................................................................................................ 38
CIRCUIT BOARD DIAGRAM ................................................................................................................................. 44
SERVICE MANUAL

Sanyo FXD-780GDSS Specifications

General

Brand	Sanyo
Model	FXD-780GDSS
Category	Car Receiver
CD Player	Yes
MP3 Playback	Yes
WMA Playback	Yes
USB Port	Yes
Auxiliary Input	Yes
Display	LCD
Remote Control	Yes

Summary

Specifications

FM Tuner

Tuning range, sensitivity, separation, S/N ratio.

AM Tuner

Tuning range, sensitivity, S/N ratio.

CD Player

Frequency response, S/N, separation, dynamic range, distortion.

Audio Amplifier & General

Max output power, output wiring, impedance, power supply.

Service Notes and Precautions

Service Notes

Power connection, IC handling, output IC replacement.

Warning

Caution when using meters/generators with ICs.

Alignment Procedure

Factory alignment, circuit troubleshooting first.

Alignment Notes

Voltage check, AC voltmeter, signal input, tools, location.

Installation Procedure

Steps for safe and correct installation in a vehicle.

Installation Cautions

Hot heatsink, ignition wire, console lid, fuse, short circuit prevention.

Laser Beam Safety Precautions

Transport and Storage Handling

Handling pickup in conductive bag and avoiding impact.

Repair Handling

Handling pickup with magnets and avoiding pressure/impact.

Static Electricity Precautions

Preventing CD Pickup Damage

Shorting terminals to prevent static damage during CD pickup replacement.

Electrical Adjustments

FM RF & IF Alignment

Procedure for aligning FM RF and IF sections with signal generator.

AM RF & IF Alignment

Procedure for aligning AM RF and IF sections with signal generator.

FM Multiplex Alignment

Procedure for aligning FM Multiplex section with stereo signal generator.

FXD-780 GD Test Mode Setup

Steps to enter and adjust test mode for FXD-780GD.

FXD-780 RDS Test Mode Setup

Steps to enter and adjust test mode for FXD-780RDS.

Test Mode Operations

Detailed steps for various test mode adjustments and confirmations.

Dummy Box Schematics

AM Dummy Antenna Schematic

Schematic for AM dummy antenna connection.

FM Dummy Antenna Schematic

Schematic for FM dummy antenna connection.

Dummy Load & Switch Box Schematic

Schematic for dummy load and switch box for stereo units.

Block Diagrams

FXD-780 GD Block Diagram

Overall system block diagram for FXD-780GD.

FXD-780 RDS;XE Block Diagram

Overall system block diagram for FXD-780RDS/XE.

IC;Transistor Lead Identification

FXD-780 GD Identification

Pinout and identification for ICs and transistors in FXD-780GD.

FXD-780 RDS Identification

Pinout and identification for ICs and transistors in FXD-780RDS.

Exploded Views

CD Mechanism Exploded View

Exploded view and part references for CD mechanism.

Cabinet & Chassis Exploded View

Exploded view of the unit's cabinet and chassis components.

Parts Lists

Cabinet & Chassis Parts

List of parts for the cabinet, chassis, and accessories.

Accessory Parts

List of accessory parts such as brackets, cables, and kits.

CD Mechanism Parts

List of parts for the CD mechanism.

Main Circuit Board Parts (FXD-780 GD;SS, BK.SS)

List of components for the main circuit board of FXD-780GD/SS, BK.SS.

Main Circuit Board Parts (FXD-780 RDS;XE)

List of components for the main circuit board of FXD-780RDS/XE.

Display Circuit Board Parts

List of components for the display circuit board.

RF33 SS Circuit Board Parts (FXD-780 GD;SS, BK.SS)

List of components for the RF33SS circuit board.

RF33 RN Circuit Board Parts (FXD-780 RDS;XE)

List of components for the RF33RN circuit board.

Schematic Diagrams

Main Schematic (FXD-780 GD;SS, BK.SS)

Schematic diagram for the main board of FXD-780GD/SS, BK.SS.

Main Schematic (FXD-780 RDS;XE)

Schematic diagram for the main board of FXD-780RDS/XE.

Display Schematic (FXD-780 GD;SS, BK.SS)

Schematic diagram for the display board of FXD-780GD/SS, BK.SS.

Display Schematic (FXD-780 RDS;XE)

Schematic diagram for the display board of FXD-780RDS/XE.

RF33 SS Schematic (FXD-780 GD;SS, BK.SS)

Schematic diagram for the RF33SS board of FXD-780GD/SS, BK.SS.

RF33 RN Schematic (FXD-780 RDS;XE)

Schematic diagram for the RF33RN board of FXD-780RDS/XE.

Circuit Board Diagrams

Main Board Diagrams (FXD-780 GD;SS, BK.SS)

Component layout diagrams for the main board.

Main Board Diagrams (FXD-780 RDS;XE)

Component layout diagrams for the main board.

Display Board Diagrams (FXD-780 GD;SS, BK.SS)

Component layout diagrams for the display boards.

Display Board Diagrams (FXD-780 RDS;XE)

Component layout diagrams for the display boards.

RF33 SS Board Diagrams (FXD-780 GD;SS, BK.SS)

Component layout diagrams for the RF33SS boards.

RF33 RN Board Diagrams (FXD-780 RDS;XE)

Component layout diagrams for the RF33RN boards.