Sony xa u 20 service manual

Page 1

XA-UZD/ U40

SERVICE MANUAL us Model

Canadian Model
AEP Model

UK Model
E Model

SPECIFICATIONS Features
Power requirements The XA-U20 is a selector for connecting several CD changers
Dc 2 V 93' anew ("99mm which are compatible with the Sony UNILINK system to a car
9mm) stereo system which is also compatible with the Sony UNILINK

Mounting dimensions
Approx. 90 x 203 >< 28 mm (w/h/d)
(3515 x B x 1 Ila inches)

system. Two CD changers can be connected per unit.

Weight Approx. 0.4 kg (14 oz)

Accessories supplied . The XA-U40 is a selector tor connecting several CD changers
P°We','P CW (1) which are compatible with the Sony UNIUNK system to a car

ommnal accessorggunmg we (2 stereo system which is also compatible with the Sony UNIUNK
UNILINK cable FIG-61 (1 m) system. Four CD changers can be connected per unit. and the
UNILINK cable R062 (2 m) maximum of ten CD changers can be connected by three XA-Uws.

FICA PIN cord RK-C73 (1 m)
RCA PIN cord RK~C75 (2 m)

Design and specifications subject to change without
notice.

Notes on chip component replacement

0 Never reuse a disconnected chip component.
0 Notice that the minus side of a tantalum capacitor may
be damaged by heat.

sonnet SELECIIIR
SONY;

Page 2

XA- U20/U40

This section is extracted from

SECTION 1

XA- U40 instruction manual.

GENERAL

System Connections

Connection Diagram

Schéma de connexian Anschluli
Diagmma d2 conexidn Aansluilscherna Koppllngssdiagram
Schema di collegzmenlc Diagrams fie Iigacfies mfg

uNluNx oompallnle cu changed
Changeul ca mpullblv UNILINK
cow-mm: UNILlNK knmpaubcl
camelm ae «em Dampiclns camp-time

E

can UNILINK
co wiuelial die wnm l. we m4
UNILINK sysleem
CD-skiwixlm m lmylulganeeme
Elxk umuux
Ne. Camel-lam co mmpulblln em ll snleme
Schwxrx umuux
New PCvmuudav d: mites :nmpflclo:
° a new PM W . cal €73: compalwet cent a 54mm: umnnx
.. . ' lli .. I u! .
" 9° "" " e 3 '°" ' Nam UNlLlNK Menu-Hum:
an em Melzlllell eel ngens m

a un puma memlco uel um
"Ia! ten mlen enaemeel m. a. nun
Illl an nlelelleel l mun

ire

a un puma melalliw dalllulu
A um ponle metallna do emml
it i'. a. 1mm:

Fuse (12 A)
Fusvhl. (12 Al
Slchumng (l2 A]
Fuslblu n: A)
Zekenng (l2 A)
Sakling ilz A)
means llz Al

L5] lo me . l2 v power Illmmll Mum ls
tnavglzm al all mm

1 la Dom! dIllmeanlon . l2 v qw eel Valle»:

Illl eel l2 v illémullig mm min i!
epannlngelmnae

al temlmalv ul :Ilmmlazionu v 12 v.
$5"!le sum tension!

E

mm W. .....
An elm av-Xenia, flu 5m: nnlu N75 (5") 6

Slmm slum 223"! El UNILINK mplhbl. car new: sel
WWW... m... WW. e..-
s::;r;:.;..::V.::.w--Mv-wmm MM; ..... a........................

can UNlLINK

Auto-nun insults»: an gumm ls vow
rm sony UNILlNK mm

anelem mun Imdlslyvmgéngam: UNILINK

An Ielmllal a v a. enamel n quzl 333:1." '"' " " "W
m .. l. n... n. m.
' 9 W ' f = mane...meneeemonnm
)m'lllr' v \2V 4;); 1 UNILINK

UNlUNK maulxwtmmfim

Caulion

- aelme making comedians, disconnocl lne gmund lelmmal or C3!
battery lo avoid shofl circuiling.

. connw me yellcm ml lnpul card only allnr all me other cards
have been cunnecIed.

- Be sure to connect the glwnd wire ol the unil securely lo a
metal paint a! me car, A loose connecllnn may cause nlnlluncllen
ol the unit.

Nole

ll you! car was an an new comww or nawgum compulu .nslellea. men
memonu can be mm am when m negelm lennlnu ol me at bzllely a
fiscunnmud. In my. . can make me me: all the mnomns emu
Ihe yelluw name. lrlwl card In mama eelole mnealng m. pom
lnpm curd

Mounting Example
Mounting with the supplied screws

0900

(BUS ON AUX SUPPLY +5V)

[Safety Precaution]

The operation mode of this unit is regulated by the
control signal from the UNILINK CD changer
connected to the UNILINK IN CONTROL terminal.
Make sure that the unit is set to the BUS ON
condition before conducting repair services.
{Method}

Apply a +5V voltage to the 6P|N (BUS ON) terminal
of the CM (UNILINK OUT CONTROL) to set the unit
to the BUS ON condition.

+6 5 4
\

CNI