Panasonic cq fx 220 n service manual

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CQ-FXGZDN l CQ-FX420N I CQ~FX220N

A: WARNING

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 professional technicians. Any attempt to service
or repair the product or products dealt with in this service information by anyone else could result in serious injury or death.

IMPORTANT SAFETY NOTICE

There are special components used in this equipment which are important for safety. These parts are marked by A in the Schematic
Diagrams, Circuit Board Diagrams, Exploded Views and Replacement Parts List. It is essential that these critical parts should be replaced
with manufacturer's specified parts to prevent shock, fire or other hazards. Do not modify the original design without permission of

manufacturer.

CONTENTS
Page

1 FEATUERS __________________________________________________________________________________ 2
2 REPLACING THE FUSE
3 MAINTENANCE ...........

4 RADIO ALIGNMENT ................................................................... 2
5 ALIGNMENT JIG
6 NOTEs --------------
7 DIMENSIONS ............................................................................. 2

s OPERATING INSTRUCTIONS
9 WIRING CONNECTION
1o BLOCK DIAGRAM -------
11 TERMINALS DESCRIPTION ................................................... 14

1 FEATUERS

- PLL (Phase Locked Loop) synthesized tuning,
~ 18-FM, 6-AM presets with preset scan.

- RDS (Radio Data System) function.

. TPS operation.

- Dolby NR function.

- CD Changer control function.

. Electronic control of Volume, Bass, Treble, Balance and
Fader.

- Detachable face plate security.

2 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.

3 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 solvents.

4 RADIO ALIGNMENT

DO not align the AM/FM/RDS package block. When the
package block is necessary, it will be supplied already aligned
at the factory.

Page

12 ALIGNMENT INSTRUCTIONS -------------------------------------------------- 15
13 ALIGNMENT POINTS ------------------------------------------------
14 RE-ASSEMBLY PROCEDURE for REEL PWB ASSIY
15 PACKAGE AND N: BLOCK DIAGRAM ------------------------------------- 17
16 REPLACEMENT PARTS LIST
17 EXPLODED VIEW (Unit -
1s TAPE PLAYER PARTS-m
19 EXPLODED VIEW (Tape Deck) ------------------------------------------------ 23
20 WIRING DIAGRAM -------
21 SCHEMATIC DIAGRAM

5 ALIGNMENT JIG

. Dolby NR Alignment Test Tape : RFKZOO38

6 NOTES

This operating instruction manual is for 3 models CQ-FX620N,
CQ-FX420N and CQ-FX22ON. The differences between these
models are mentioned below. All illustrations throughout this

manual represent model CQ-FX620N unless otherwise
specified.
CQ-FX620N CQ-FX420N CQ»FX220N

Max. Output Power 45W 45W 40W
Sub-Woofer Out Yes (2V) Yes (2V) None
LCD Color Blue Multi Color Blue
S.HDB Yes Yes None
Loudness None None Yes
Remote Control Supplied Supplied Option
Pre-Out 2 (Front/Rear) 2 (Front/Rear) 1 (Rear)
CD Changer input Cord type Cord type Fix type

7 DIMENSIONS