Technics SEHD 310 Service Manual

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ORDER NO. AD0001018C2

rvice Manual

Amplifier
SBeHD310 SB-HD310
r SE-H D31 0
Colour
- - o
3'- Dm ST 03 (N) ....................... Gold Type
Areas
E .......................... Spain and Sweden, etc..
EB ....................... Great Britain.
EG ....................... Europe.
Remote control FiS-HDSio SE-HDato System: SC-HD310
transmitter : _ _ .
Because of unique Interconnecting cables, when a
compact requires service. send or bring in the entire
system.
Specification
OAmlefior Section
Power output 67W
DIN 1 kHz. THD 1%. 60 both chan Normei:9W
driven: Eoo:0.8W
RMS 1 kHz, THU 10%, so both chant
rm": Customer: TECHNICMZ ACZBOV,50HZ
Total harmonic distortion Load? SPOUEI A0230-240V.50Hz
Half power at 1 kHz 601 196x105.8x259.9mm
Load Impedance: account: 16 at: (:8 55/07/88 1,3kg
SIN:
Frequency response: 50<20000Hz 1.Design and specifications are subject to change without notice.
(15- 'MB) 2.Dimensions and weight are approximate.
.Headphonee 3.Totai harmonic distortion is measured by the digital spectrum
Jack type; 3.5mm STEREO analyzer.
Load impedance: 16-329 OSystemIsc-HDsw:
Tuner:ST-HD310, Compact Disc Player: SL-HD310. Amplifier:
SEvHDS10, Cassette Deck: RS-HD310. Speakers: SB-HD310
(Made in MAES.)
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 indiw'duais oi 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 repainthe product or products dealt with in this service information by anyone else could result in serious injury or death.

. ® © 2000 Matsushita Electric Industrial Co., Ltd.
All rights reserved. Unauthorized copying and
distribution is a violation of law.

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CONTENTS

Page
1 Accessories ............................................................................... 2
2 Before Repair and Adjustment -- ..................................... 3

3 About the Protection Circuitry -- "3
4 Caution for Ac Main Lead ----- 4
5 Operating Instructions .............................................................. 5

6 Operation Checks and Component Replacement Proceduresfi
6.1. Checking for the power supply P.C.B. and speaker

terminal P.C.B. ----------------------------------------------------------------- 6

6.2. Checking for the operation P.C.B. »6

6.3. Checking for the main P.C.B. *6

6.4. Replacement for the power IC ----------------------------------------- 7

1 Accessories

0 FM indoor antenna ----- 1pc.

(RSA0007) (RSAOO22-J)

@

~ AM loop antenna set ~~~~~ 1pc.

1 Power Source ON/OFF and Signal Check
8 Schematic Diagram Notes ---------------------
8.1. Type Illustration of ICs, Transistors and Diodes -----
8.2. Schematic Diagram Notes--

9 Schematic Diagram ------------------
10 Printed Circuit Board Diagram
11 Block Diagram -------------------

12 Wiring Connection Diagram-
13 Replacement Parts List-
14 Cabinet Parts Location ..
15 Packaging -------------------

- Remote control iransmitier~~~1pc.
(RAK-HDA25WH)

iii:

v Speaker cord 0 AC power supply cord ~~~~~ 1pc.
(REEo499)....................2pcs. For (EB) area: For (E,EG) areas: ' 2:32:13: 21.2% :fiiptor 1pc.
(Red - Black) (RJA0053-2X) (RJA0019-X) (SJP9009)

Flemote control batteries-"apes.
[R6/LR6(AA, UM-3)]
Note: These are available
on sales root.

@

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