Technics SLDV 280 GN Service Manual

Page 1

ORDER N0.AD0206120C3

Service Manual

DVDNideo CDICD changer
[jig-fiw DVD MA 5H SL-DVZBOGN

_ITAL VDEO mulll ulgmmshlplrw COIOU r
(N) .................... Gold Type

System:SC-DV280

SEl-PSQS SB-PSSS

SE-W28D SEerVZBO->
SL-ENZBD

sH-Dv2ao Because of unique interconnecting cables, when a
component requires service, send or bring in the entire
system.

Note: Refer to the service manual for Model No.SA-
Remewmowansmmev Fs-W230 SA-WZSD DVZSOGN (ORDER NO.AD020611803) for information

on ACCESSORIES and PACKAGING.

38-9095

Spedficafion
ODisc played OPick up
DVD-Video disc 3 /.2 cm single-sided. single-layer Beam source Semiconductor laser
3 I12 cm single-sided, double-layer Wavelength 658/790 nm
3 I12 cm double-sided. double- . General
layer
(one layer perside) ameEtslons ONxHxD): :ix89x238 mm
on (CD-DA, VIDEO-OD) 8 /,2 cm discs 9'9 ' ' 9
CD-R/RW disc 8 /.2 cm discs "we" :"PP'V' . 010V
. Au dio Power onsumptron. 12W
Number of channels 5 1 (FL FR 8L SR C SW) Notes:
OVideo , , , , 1.Design and specifications are subject to change without notice.
Signal system PAL 625/50, PAL 525/60. NTSC ZD'mens'ms and '9' are appmx'mae'
Output level (75) .SystemISC-szso
. . Sound processor: SH-DVZBO, Tuner/ Amplifier: SA-DV280,
C°Tp°m we" Np p (7552) DVDNideo-CDICD changer: SL-szso , Stereo cassette deck:
S'V'dm V WM) (759) Rs-szso. Speakers: Front (seovzso).0enter* (SB-POSS).
S-video C 0.3Vp-p (75(2) (PAL) Surround (SB-P895) (*z Made in MAES.)

0.286Vp-p (75:2) (NTSC)

AWARNING

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.

CONTENTS

Page Page
1 Before Repair -------------------------------------------------------------------------- 2

© 2002 Matsushita Electric Industrial Co., Ltd. All

.
rights reserved. Unauthorized copying and
distribution is a violation of law.

Page 2

2 Precaution of Laser Diode
3 Operating Instructions -----
4 Handling Precautions for Traverse Deck ------------------------------- 4

5 Operation Checks and Component Replacement ProoeduresS
6 Optical Pickup Self-Diagnosis and Replacement Procedure-21
7 Sell-Diagnosis Function and Service Modes ------------------------ 23
8 Adjustment Procedures -------------------------------------------------------- 33
9 Electrical Conflrmatlonr

10 To Supply Power Source
11 Block Diagram ---------------------------------------------------------------------- 37
12 Schematic Diagram Notes .................................................... 43

1 Before Repair

This equipment (SL-DV280),which is the component of this
system, is supplied with power from the tuner/amplifier (SA-
DV280) through the sound processor (SH-DV280). When
repairing this equipment or checking operation of the system,
be sureto connect the tuner/amplifier and sound processor with
it.

This equipment, even in the state of it as a single equipment,
permits power supply and operation check. When operating it
as a single equipment without the tuner/amplifierand sound
processor, refer to the paragraph of 'Measurements and
Adjustments.

13 Schematic Diagram -------------------------------
14 Voltage Chart (Terminal I Module P.C.B.)
15 Abbreviations ------------------------------------
16 Printed Circuit Board Diagram
17 Wiring Connection Diagramr

18 Terminal Function of ms
19 Replacement Parts List ---------------------------------------------------------
20 Cabinet parts Location ------------------
21 Loading Mechanism Parts Location
22 Traverse Mechanism Parts Location ------------------------------------ 75

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Step 2)
ushing the claw, slide the support plate in the
direction of arrow, and then remove it.

(Step 5)
Release the 2 claws.

Claw

NOTE:
_ _ _ Hold the loading stopper
(Installation for disc lever spring) ass-y manually because
it is flipped by spring.
Ste 3
otate the disc lever in the , .
direction of arrow (D, draw Loading 510W ass V Step 6) .
the disc lever. emove the cushlon
Disc lever spring

(Step 7)
Remove the loading stopper ass'y
in the direction of arrow.

Relay gear (B)

(Step 4)
Release the 2 claws, and then
draw the relay gear (B).

Step 8)
elease the 2 claws, and then
remove the relay gear (A).

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