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Canadian Model

AEP Model

UK Model

E Model

Australian Model

2007F16-1
© 2007.06

• AC-SD1 is AC adaptor in DAV-DZ830W/

DZ850KW/HDX900W.

P

Output voltage

o

Mexican models:

wer requirements 

DC 28.0 V/Output current
for SA-TS76W 1.5 A
(maximum current is 8 A)

120 V AC, 60 Hz

Latin American models:

110 – 240 V AC, 50/60 Hz

Taiwan models:

120 V AC, 50/60 Hz

Other models:

220 – 240 V AC, 50/60 Hz

Power consumption

40 W

Dimensions (approx.)

249 

× 45 × 82 mm

(w/h/d)

Mass (approx.)

0.8 kg 

Design and specifications are subject to change 
without notice.

2

...................................................................

3

2-1.

Block Diagram ................................................................

4

2-2.

Printed Wiring Boards .....................................................

5

2-3.

Schematic Diagram .........................................................

6

3-1.

Overall Section ................................................................

7

..................................

8

• Never reuse a disconnected chip component.

• Notice that the minus side of a tantalum capacitor may be

damaged by heat.

• Keep the temperature of the soldering iron around 270 °C

during repairing.

• Do not touch the soldering iron on the same conductor of the

circuit board (within 3 times).

• Be careful not to apply force on the conductor when soldering

or unsoldering.

Boards requiring use of unleaded solder are printed with the lead-
free mark (LF) indicating the solder contains no lead.
(Caution: Some printed circuit boards may not come printed with

the lead free mark due to their particular size)

Unleaded solder has the following characteristics.

• Unleaded solder melts at a temperature about 40 °C higher

than ordinary solder.
Ordinary soldering irons can be used but the iron tip has to be
applied to the solder joint for a slightly longer time.
Soldering irons using a temperature regulator should be set to
about 350 

°C.

Caution: The printed pattern (copper foil) may peel away if

the heated tip is applied for too long, so be careful!

• Strong viscosity

Unleaded solder is more viscou-s (sticky, less prone to flow)
than ordinary solder so use caution not to let solder bridges
occur such as on IC pins, etc.

• Usable with ordinary solder

It is best to use only unleaded solder but unleaded solder may
also be added to ordinary solder.

0

0

0

3

3

AC-SD1

Note on Schematic Diagrams:
• All capacitors are in 

µ

F unless otherwise noted.  (p: pF)

50 WV or less are not indicated except for electrolytics and
tantalums.

• All resistors are in 

Ω

  and 

1

/

4

 

W or less unless otherwise

specified.

•

C

: panel designation.

•

A

: B+ Line.

• Voltages are dc with respect to ground

under no-signal (detuned) conditions.

• Voltages are taken with a VOM (Input impedance 10 M

Ω

).

Voltage variations may be noted due to normal production
tolerances.

• Abbreviation

CND

: Canadian model

E32

: 110 – 240 V AC area in E model

MX

: Mexican model

TH

: Thai model

TW

: Taiwan model

Note on Printed Wiring Boards:
•

X

: parts extracted from the component side.

•

Y

: parts extracted from the conductor side.

•

: Pattern from the side which enables seeing.

(The other layers' patterns are not indicated.)

• Indication of transistor.

Caution:
Pattern face side:

Parts on the pattern face side seen from

(Side B)

the pattern face are indicated.

Parts face side:

Parts on the parts face side seen from

(Side A)

the parts face are indicated.

C

B

These are omitted.

E

Q

This section is extracted
from instruction manual.

A

B

C

D

•

The components identi-
fied by mark 

0

  or dot-

ted line with mark 

0

 are

critical for safety.
Replace only with part
number specified.

Les composants identifiés
par une marque 

0

 sont cri-

tiques pour la sécurité.
Ne les remplacer que par une
piéce por tant le numéro
spécifié.

4

4

AC-SD1

T901

PC902

D911

D901

F901

S901

L901:CND,E32,MX,TW
L902,L904:EXCEPT CND,E32,MX,TW

AC

IN

D921

R946

D900

CN904

AC-CUT

SA-TS76W

TH901

Q901

REG

PC901

PC903

D910

Q902

SWITCH

Q903

SWITCH

TH902

MAIN-OFF

27.5V

IC901

SWITCHING REG

R945

POWER

POWER

4

5

6

7

1

8

3

Q906

SWITCH