Panasonic cq ja 1073 l service manual

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ORDER No. AED0111010

Service Manual

COMPACT

@DSIE

DIGITAL AUDIO

Specification*
General

Power Supply

Current Consumption
Power Output

Speaker Impedance

LW Radio
Frequency Range
Usable Sensitivity

MW Radio
Frequency Range
Usable Sensitivity

DC 12v (11v -16v),

Test Voltage 14.4V
Negative Ground

Less than 2.5A (0.5WX4ch)
12WX20h

4K2

153 ~ 279m:
18dB/pV (SIN ZOdB)

531 ~ 1,602kHz
14dB/pV (SIN 20dB)

Panasonic

AUTOMOTIVE ELECTRONICS

AUDI

CQ-JA1070L
CQ-JA1071 L
CQ-JA1072L
CQ-JA1073L
CQ-JA1074L

AM/FM MPX ELECTRONIC TUNING
RADIO with CD Player
DESTINATION : Europe

PRODUCED AFTER : Aug., 2001
[Note] See the next page about PART No. and VECLE.

FM Stereo Radio
87.5 - 108.0MHZ
12dB/pV (S/N 30dB)

Frequency Range

Usable Sensitivity

CD Player

Signal to Noise Ratio More than 70dB (IHF~A)
Channel Separation More than 65dB (IHF-A)
Dimensions" 179(W)X51(H)X154(D)mm

Weight" 1.7kg

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

" Dimensions and Weight shown are approximate.

© 2001 Maisushita Communication Industrial 00.,
Ltd. All rights reserved. Unauthorized copying and
distribution is a violation of law.

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AUDI l CQ-JA1070L I CQ-JA1D71L l CQ-JA107ZL l CQ-JA1073L l CQ-JA1074LI

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 manufacturers specified parts to prevent shock, fire or other hazards. Do not modify the original design without permission of

manufacturer.

CONTENTS

Page
1 PART No. AND VEHICLE --------------------------------------------------------- 2
2 FEATUERS ---------
3 LASER PRODUCTS
4 FRONT VIEW AND FUNCTIONS .............................................. 3
5 REAR VIEW AND CONNECTORS ............................................ 3

6 WIRING CONNECTION-
7 BLOCK DIAGRAM -----
8 TERMINALS DESCRIPTION ----------------------------------------------------- 9

1 PART No. AND VEHICLE

[PART No.]
-(CQ-JA1070L) : 8E0 035 186
-(CQ-JA1071L) : 400 035 1866

-(CQ-JA1072L) : 4B0 035 1866

-(CQ-JA1073L) : 8L0 035 186G

-(CQ-JA1074L) : 820 035 186A

[VEHICLE]

- (CQ-JA1070L) : AUDI A4
-(CQ-JA1071 L) : AUDI A8
- (CQ-JA1072L) : AUDI A6, TT
- (CQ-JA1073L) : AUDI A3
- (CQ-JAlO74L) : AUDI A2

2 FEATUERS

~ PLL (Phase Locked Loop) synthesized tuning.
- 12-FM, 12-AM presets with preset scan

~ NOD-8 CD player.

- CD Changer control.

Page
9 PACKAGE AND Ic BLOCK DIAGRAM ................................... 11
10 REPLACEMENT PARTS LIST -14
11 EXPLODED VIEW (Unit) -22
12 co PLAYER PARTS -------------------------------------------------------------- 23
13 EXPLODED VIEW (co Deck) ................................................. 24

14 WIRING DIAGRAM ------ .25
15 SCHEMATIC DIAGRAM -1- -31
16 SCHEMATIC DIAGRAM .2 ..................................................... 33

3 LASER PRODUCTS

Do not take apart this unit or attempt to make any
changes yourself.

This unit is very intricate that uses a laser pickup to
retrieve information from the suface of compact discs.
The laser is carefully shielded so that its rays remain
inside the cabinet. Therefore, never try to
disassemble the player or alter any of its parts since
you may be exposed to laser rays and dangerous
voltages.

Laser products :
Wave length
Laser power

780nm
No hazardous radiation is
emitted with safety protection.

Caution

This product utillzes a laser.

Use of controls or adjustments or performance of
procedures other than those specified herein may
result in hazardous radiation exposure