Panasonic cq rd 325 len service manual

Page 1

ORDER NO. ACED9902188

, Service Manual

AUTOMOTIVE CONSUMER ELECTRONICS

CQ- D325LEN

Cassette Player / RDS Receiver with Changer Control

1} i
0mm

am ram

Dolby noise reduction manufactured under license lrom Dolby Laboratories Licensing Corporation.
Dolby" and the doublet) symbol [II are trade marks of Dolby Laboratories Licensing) Corporation.

Specifications*

General
Power Supply

Tone Controls

Current Consumption

.aximum Power Output
Power Output
Speaker Impedance

FM Stereo Radio
Frequency Range
Usable Sensitivity
Stereo Separation

MW Radio
Frequency Range
Usable Sensitivity

DC 12V(11V - 16V).
Test Voltage 14.4V
Negative Ground

Bass; t t2dB at iOOHz
Treble; :r 12dB at lOkHz
Less than 2.5A

(Tape mode.

0.5W 4-Speaker)

40W X 4 (at 4S2)

20W X 4 (DlN45 324 at 4(2)
4 - 852

87.5 - 108MHz
6dBpV (S/N soae)
35dB (at 1kHz)

531 - 1,602kHz
28dB/t1V (S/N 20dB)

LW Hadio

Frequency Range
Usable Sensitivity

Cassette Player
Reproduction System
Tape Speed
FF/REW Time
Frequency Response

Wow and Flutter

153 - 279kliz
32dB/tiV (S/N ZOdH)

4-track, 2-program stereo
4,76cm/sec.

Less than tlosec. (C-60)
30 - 17,000HZ (Nomal)
so- 18,000Hz (Metal)
0.12% (WRMS)

Signal to Noise Radio 52dB (Dolby B NR on; 62dB)

Dimensions" 178(W)>< 50(H)>< 150(D)mm

Weight : 1.4kg
' Specifications and the design are subject to pos
sible modification without notice due to
improvements .

" Dimensions and Weight showm are approximate.

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 sen/ice a product.
Products powered by electricity should be serviced or repaired only by experienced prollesional technicians. Any alternpt to
service or repair the product or producs dealt with in this service information by anyone else could result in serious Injury or death.

Panasonic

©1999 Matsushita Communication Industrial Co, Ltd.
All rights reserved. Unauthorized copying and
distribution is a violation of law.

(Recycled Paper)

Page 2

CQ-FID325LEN l

CONTENTS

FEATURES .....
DIMENSIONS .
FUSE...
MAINTENANCE.
ALIGNMENT JIG
PRECAUTIONS.
< OPERATING INSTRUCTIONS >
Power and Sound Controls
Radio Basics...
RDS Reception
Cassette Tape Player Bastcs
CD Changer Basics .....
Remote Control Basics
Anti-Theft System
Installation ..........
Electrical Connectlon
Speaker Connections ..
TERMINALS DESCRIPTION .
WIRING CONNECTION
BLOCK DIAGRAM .......
WIRING DIAGRAM (Display).
WIRING DIAGRAM (Main) .....
SCHEMATIC DIAGRAM (Main)
SCHEMATIC DIAGRAM (Display)
SCHEMATIC DIAGRAM (Tape)...
WIRING DIAGRAM (Tape)
ALIGNMENT INSTRUCTIONS.
ALIGNMENT POINTS ...............
RE-ASSEMBLY PROCEDURE Ior REEL PWB ASS'Y ..... 17
PAKAGE AND IC BLOCK DIAGRAM. 18 ~ 20
REPLACEMENT PARTS LIST .
EXPLODED VIEW (UNIT)
EXPLODED VIEW (TAPE ..

Page

WARNING!
Lithium batteries. Explosion danger.
Change of batteries must only be done by
qualified personnel and as described in the
service manual.
Furthermore, that the batteries must only be
changed with batteries 01 the same
manufacture and type.

ADVARSEU
Lithiumbatterier. Exsplosionsfare.
Udskiftning mé kun foretages at en sagkynkig
09 sent beskrevet i servicemanualen.
Batterierne kun ma udskiftes med batterier at
samme tabrikat 09 type.

WARNWG!
Lithium-Batterien. Esplosionsgelahr.
Die Batterien diirten ner von qualifiziertem
Personal und gemafl Beschreibung in der
Wartungsanleitung ausgetauscht werden. Die
Batterien diirten ner dutch Batterien des
gleichen Herstetlers und Typs ersetzt werden.

DIMENSIONS

178mm-v7

IAtter in the connections. the part

FEATURES
0 24-Stations Preset (IS-FM, B-AM).
0 Radio Data System (PS, AF, CT, Pl).
0 Electronic Control of Volume, Bass, Treble, Balance and
Fader.
O Detachable Face Plate Security.

FUSE
Be sure to use a (use of the specified rating (15A)
when replacing a blown fuse. Fuses with higher
capacity ratings, use of any substitute, or connection
without a fuse may result in a fire hazard or damage to
the unit.

MAINTENANCE

To clean the exterior of this unit, use a soft Cloth to
wipe the surface. Do not use benzine, thinner, or any
other type of solvents.

ALIGNMENT JIGl

0 DOLBY NR ALIGNMENT;
Test tape : RFKZOOSB

Precautions (ISO connector)

I ering tor the power connector oonturms to the arrangement at standard ISO connectors.
I In case at some out types, the arrangement oi connector may ditter trom the standard ISO as
shown In Table t. even though ISO connectorrt are adopted.

IN. 1
_ _--..- _... _ ,._ F__ ._._,
I Battery IGN or AGO _
c k" and '50 (permanent 2 V sunplyt (switched l: v supply)
In case ot car type A "'GN ' "A90" 1 Battery

_(switched 12 V supply)" _ (permanent 12 V supply)

In case at Car type B No Connection i (psrmanfii'm, supply)

t Make sure the ISO connector arrangement in your car sldo IS as same as the standard ISO
(Table 1,Flg. 1)

I In case at arrangement to! Car lyps A or s, cttango connections at the red/yeltow leads at the
re~connactable joint (93%) as shown in Fig.1

Flg.1
Red A7. ACC/IGNSWltch
m - l E} \
SIandaraISO -c .07,
,. BATTERYWA , 443:131.* otEV Battery
Yellow x yellowA

' .tzv Battery

VEIIUW Red ,, I
jTIBA'I'IERV tsAIfi: 3 :qEDgEU ' ACCIIGN Switch
Yellow

car A w 0 I
not:

IZV

03' a W.

Rfld >:<- Votlow

._ g YoIIo >1- 72t12V Butte
BATTEBVISA w ,Red [QT-4 [: W

4:Nc

. (2%) should be insulated with electrical tape to keep away
trom unlt damage.