Panasonic cq ea 1070 l service manual

Page 2

AUDI l CQ-EA1D70L l CQ-EA1071L l C0-EA1072L I C0-EA1073L l CQ-EA1074LI

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 prolessional 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

1 PART No. AND VEHICLE-

2 FEATUERS -------------------
3 LASER PRODUCTS ................................................................. 2
4 FRONT VIEW AND FUNCTIONS .............................................. 3

5 REAR VIEW AND CONNECTORS- -3
6 WIRING CONNECTION-
7 BLOCK DIAGRAM ----- -5
8 TERMINALS DESCRIPTION ----------------------------------------------------- 9
9 PACKAGE AND IC BLOCK DIAGRAM-

10 CD DISC CENTERING ALIGNMENT-

11 REPLACEMENT PARTS LIST -------

1 PART No. AND VEHICLE

[PART No.1
-(CQ-EA1070L) :
-(CQ-EA1071L) :
-(CQ-EA1072L) :
-(CQ-EA1073L) :
-(CQ-EA1074L) :

[VEHICLE]

8E0 035 195

4DO 035 195H
4B0 035 195H
8L0 035 195H
820 035 095H

- (CQ-EA1070L) : AUDI A4
-(CQ-EA1071L) : AUDI A8
- (CQ-EA1072L) : AUDI A6
- (CQ-EA1073L) : AUDI A3
- (CQ-EA1074L) : AUDI A2

2 FEATUERS

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

~ Dolby noise reduction.

~ NCD-S CD player.

~ CD Changer control.

Page

12 EXPLODED VIEW (Unit)--
13 CD CHANGER PARTS LIST
14 EXPLODED VIEW (CD Deck-1) ---------------------------------------------- 28
15 EXPLODED VIEW (CD Deck-2) ---------------------------------------------- 29
16 EXPLODED VIEW (CD Deck-3)
17 TAPE PLAYER PARTS

18 EXPLODED VIEW (Tape Deck)
19 WIRING DIAGRAM ----------------------------------------------------------------- 33
20 SCHEMATIC DIAGRAM -1 -
21 SCHEMATIC DIAGRAM -2-

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 utilizes a laser.

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