Panasonic cq fr 320 service manual

Page 1

ORDER No. ACEDOOO1550

Service Manual

AUTOMOTIVE CONSUMER ELECTRONICS

Specification*
General
Power Supply

Tone Adjustment Range

Current Consumption

Maximum Power Output

PrenAmp Output Voltage

Output Impedance

Suitable Speaker impedance

AM Radio
Frequency Range
Usable Sensitivity

FM Stereo Radio
Frequency Range
Usable Sensitivity

DC 12V (11V ~16V),
Test Voltage 14,4V
Negative Ground

Bass ; t12dB at 1DDHz
Treble ; :12dB at 10kHz

Less than 2.5A (tape mode ;
0.5WX4-speaker)

45WX4ch (at 49)
40W><4ch (at 49)

4.0V
20V
2009
49 (4-89 acceptable)

530 -1,710kHz
28dB/uV (25w, SIN 20013)

87.9 - 107.9MH2
11.0dBf. (12.5uV, 759)

Panasonic®

CQ-FX620U
CQ-FR320U

Removable Full Front High-Power
Cassette Player/ Receiver with Changer
Control

Cassette Player
Reproduction System 4-track. 2-program stereo
1-7/8"]sec (4.78 cmlseo)
Less than 110 sec (6-60)
30Hz to 17.000Hz (normal)
30Hz to 18.000Hz (metal)
52:13 (Dolby off)

62dB (Dolby B NR on)

0.12% (WRMS)

Tape Speed
FF/REW Time
Frequency Response

Signal to Noise Ratio

Wow and Flutter

Dimensions 7"X1-15/16"><5-7/8"
(178><50><150mm)
Weight 3le 502 (1 .5kg)

* Specifications and the design are subject to possible modification
without notice due to improvements

Dimensions and Weight shown are approximate.
- Above specifications comply with ElA standards,

Doldy noise reduction manufactured under license from Dolby
Laboratories Licensing Corporation.
Dolby" and the double-D symbol II] are trade marks of Dolby
Laboratories Licensing Corporation.

© 2000 Matsushita Communication Industrial Co.,
Ltd. All rights reserved. Unauthorized copying and
distribution is a violation of law.

Page 2

CQ-FXSZMI I CQ-FR320U

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. his 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 ------------------------------------------------------------- 2

3 MAINTENANCE-"r
4 RADIO ALIGNMENT
5 ALIGNMENT JIG ----------------------------------------------
6 NOTES -------
7 DIMENSIONS-
8 OPERATING INSTRUCTIONS
9 WIRING CONNECTION
10 BLOCK DIAGRAM
11 TERMINALS DESCRIPTION
12 ALIGNMENT INSTRUCTIONS ------------------------------------------------ 13

1 FEATUERS

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

- TPS operation.

- Dolby NR function.

~ CD Changer control function.

~Electronic control of Volume, Bass, Treble, Balance and
Faden

' 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 package block. When the package
block is necessary, it will be supplied already aligned at the
factory.

13 ALIGNMENT POINTS
14 RE-ASSEMBLY PROCEDURE for REEL PWB Assn!
15 PACKAGE AND Ic BLOCK DIAGRAM ------------------------------------- 15
1e PACKING PARTS LIST -------
17 REPLACEMENT PARTs LIST
18 EXPLODED VIEW (Unit) -----------------------------
19 TAPE PLAYER PARTS -----------
20 EXPLODED VIEW (Tape Deck
21 WIRING DIAGRAM ------------------
22 SCHEMATIC DIAGRAM (1) ------------------------------------------------------ 33
23 SCHEMATIC DIAGRAM (2) ------------------------------------------------------ 37

5 ALIGNMENT JIG

. Dolby NR Alignment Test Tape : RFK20038

6 NOTES

This operating instruction manual is for 2 models CQ-FX620U
and CQ-FR320U. The differences between these models are
mentioned below, All illustrations throughout this manual
represent model CQ-FX620U unless otherwise specified.

CQ-FXSZOU CQ~FR320U
Output Power 45W 40W
S.HDB Yes None
Tone Enhancement None Yes
LCD Color Multi Color Blue
Fri-rout Level 4V 2V
Pre-out 2 (Lead type) 2 (Fix type)
Remote Control Supplied Option

7 DIM EN SIONS

1 78mm