Panasonic cq dfx 85 euc service manual

Page 2

CQ-DP975/DFX85EUC I

AWARNING
This service information is designed for experienced repair technicians only and is not designed for use by the general public. It
does not contain warnings or cautions to advise non-technical individuals of potential dangers in attempting to service a product.
Products powered by electricity should be serviced or repaired only by experienced proffesional technicians. Any attempt to
service or repair the product or producs dealt with in this service information by anyone else could result in serious injury or death.

CONTENTS

DIMENSIONS
FEATURES
REPLACEMENT FUSE
MAINTENANCE
RADIO AND CD DECK ALIGNMENT.
LASER PRODUCTS
< OPERATING INSTRUCTIONS >

Page

34....

Power and Sound Controls.................... 2
Radio Basics... 3
Compact Disc Player Basrcs . 3
CD Changer Basics ..... 4
Sound Design Memory 4
Clock Basics ............. 4
Remote Control Basics 5
Installation Guide .. 7
Troubleshooting . 7
WIRING CONNECTION .. 8
BLOCK DIAGRAM 9
WlRlNG DIAGRAM (Display) . . 10
WIRING DIAGRAM (Main) . 11
WIRING DIAGRAM (CD Servo) 12
SCHEMATIC DIAGRAM (Display) 13
SCHEMATIC DIAGRAM (Main) 14
SCHEMATIC DIAGRAM (CD Servo) 15
SCHEMATIC DIAGRAM (Pre AMP) . 15
TERMINALS DESCRIPTION ........... 16, 17
PACKAGE AND IC BLOCK DIAGRAM . 18 ~ 21

REPLACEMENT PARTS LIST , 22 ~27, 29, 30
EXPLODED VIEW (Unit) ........
EXPLODED VIEW (CD Deck)
PACKING PARTS LIST .........

DIMENSIONS

FEATURES

0 32bit-times oversampling MASH 1bit 4-DAC system.
0 Digital servo for reliable playback.

O PLL (Phase Locked Loop) synthesized tuning.

0 18-FM, 6-AM presets with preset scan.

REPLACING THE FUSE

Use fuses of the same specified rating 15amps. Using
different substitutes or fuses with higher ratings, or
connecting the unit directly without a fuse, could cause
fire or damage to the stereo unit,

MAINTENANCE

Your product is designed and manufactured to ensure a minimum
of maintenance. Use a soft cloth for routine
exterior cleaning. Never use benzine, thinner, or
other solvent.

RADIO AND CD DECK ALIGNMENT

I RADIO BLOCK

Do not align the AM and FM package blocks. When the
package block is necessary, it will be supplied already
aligned at the factory.

I CD DECK BLOCK

This model has no servo alignment points because
microcomputer controls the servo circuit.

Note:

This operating instruction manual is for 2 models CQ-DP975EUC
and CQ-DFXSSEUC. All illustrations throughout this manual
represent model CO-DP975EUC unless otherwise specified. The
following table describes the differences between 2 models.

Model
Operating Controls

Pre-out Level 2V 4V

CQvDPS75EUC CQ-DFXB5EUC

Find the model number and serial number on either the back or bottom
of the unit. Please record them in the space below and retain this
booklet as a permanent record oi your purchase to aid in identification
in case at theft.