Technics ST HD 515 MD Service Manual

Page 1

ADOOOSOS7C2

Service Manual

Tuner
SBeHD515 33449515 ST' H D51 5 M D
Remote :4. v , .r
Control * .__
Transmitter lirekl 1- l Colour
2 M SL-HD515 ST»HD515MD [ (S) ---------- S'IVQT Type
i:.=-=;:3° Area
(EG) .......... Europe.
SJ-HDSIS SE-H0515MD
System SC-HDSisMD
Tuner ST-HDS15MD
Because of unique interconnecting cables, when a component Amplifier SE-HDSISMD
requires service, send or bring in the entire system. CD Player SL MD Deck SJVHD515
, _ , l Speakers SB-HDS15
Specifications * Made in spam,
Pre-amplifier section Timer section
Input sensitivity/impedance: Clock: Quartz - lock type
EXT IN; 300 mV/15 kg) Function: Play timer (1 time or everyday).

Output level/impedance:
EXT OUT;

Tuner section
FM Frequency range:

FM Antenna terminal(s):
AM Frequency range:

250 mV/1.5 k0

B7 50 ~108.00 MHZ

(0.06 MHz steps)

75 Q (unbalanced)

522 -1629 kHz (9 kHz steps)
520 -1630 kHz (10 kHz steps)

Rec timer (1 time or everyday),
Sleep (120 min, 30 min intervals)

General
Dimensions (WXHX D): 200x76><261 5 mm
Weight: 1.2 kg

Notes: Specifications are subject to change without notice.
Weight and dimenSion-s are approxrmate.

A WARNING

This service information is desrgned 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 indivrduals of potential dangers in attempting to sen/ice a product.
Products powered by electricity should be serviced or repaired only by experienced protessional technicrans Any attempt to service
or repair the product or products dealt with in this sen/ice information by anyone else could result in serious inlury or death.

Technics®

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

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sT-Hust 5M D

CONTENTS

1 Note"

2 Blue LED

3 Before Repair 2
4 Location 01 Controls --------------------------------------------------------------- 2

5 Operation Checks and Component Replacement Proceduress
5.1. Checking for the tuner P C B and FL P C B ,
5.2. Checking for the main RC 8. -----------------

6 To Supply Power Source and Signal Check . 4
7 Self-Diagnostic Function -------------------------------------------------------- 5
7.1. To display the malfunction codes

7.2. To return to the normal display

7.3, Display contents----~-...............

1 Note

Refer to the service manual for Model No. SE-HDS15MD
(ORDER No. AD000305602) for information on Accessories
and Packaging.

2 Blue LED

- The blue LED mounted to each sides of front panel is very
sensitive to static electricity. When handling the LED base
plate, be very careful about it.

- Do not replace the blue LED by itself because it may be
subject to electrostatic breakdown or deterioration in
quality. When replacing the LED base plate. be sure to
replace L and Ft sides simultaneously to adjust the
brightness. For configuration at the time oi supply of
replacement parts, refer to Printed Circuit Board Diagram.

4 Location of Controls

8 Type Illustration of ICs, Transistors and Diodes-
9 Schematic Diagram Notes ................................

10 Scbematic Dlagram 7
11 Printed Circuit Board Diagram .............................................. 14
12 Wiring Connection Diagram

1:! Block Diagram"----""----~--~-
14 Terminal Function of ICs """

14 l. lCSOZ (M62433AFP)Digital sound Commuter................22
14 2. lC701 (M30218MAA108):FL Drive/System Control "2WW2
15 Replacement Parts List-W . 24
16 Cabinet Parts Location ............................. .27

3 Before Repair

This equipment (ST-HD515MD), which is a component of the
system, is supplied with power from the Amplifier [SE7
HDSlSMD), When repairing this equipment or checking
operation of the system, be sure to connect to the amplifier with
it.

Power supply and operation check in the state of it as a single

equipment is impracticable.

@ Display panel
The display also shows information for the MD deck, CD player.
and amplifier.

® Station selection and JOG dial (TUNE/J06)

® Tuning mode switch (TUNE MODE)

® Sidelight switch (SPOT)

® Clock/timer button (CLOCK/TIMER)

@ Set button (SET)

@ Band select button (BAND)