Technics ST HD 515 Service Manual

Page 1

AD00051 06C5

Service Manual

SB-HDS1 5

SB-HD515

Remote
Control

SL-HD51 5 ST-HD515

RS-H0515 SE-HD51 5

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

Spedficafions

Pre-amplifier section

Input sensitivity/Impedance:
EXT IN;

Output level/impedance:
EXT OUT;

300 mV/15 k!)
250 mV/1.5 k9

Tuner section
FM frequency range for (PP) area: 87.5 - 108.0 MHz
(0.1 MHz steps)
87.9 - 107.9 MHZ
(0.2 MHz steps)
87.5 -108.0 MHz
(0.05 MHz steps)
Antenna terminal(s): 75 Q (unbalanced)
AM frequency range for (PP) area:520 - 1710 kHz (10 kHz steps)
AM frequency range for (E) area: 522 - 1629 kHz (9 kHz steps)
520 - 1630 kHz (10 kHz steps)

FM frequency range for (E) area:

Tuner
Colour
(8) ........... Silver Type
Areas
(PP) ......... U.S.A. and Canada.
(E) ........... Europe.
System SC-HD515
Tuner ST-HD515
Amplifier SE-HD515
CD Player SL-HD515
Cassette Deck FlS-HD515
Speakers" SB-HD515
* : Made in Spain.
Timer section
Clock: Quartz - lock type
Function: Play timer (1 time or everyday).
Rec timer (1 time or everyday),
Sleep timer (120 min, 30 min intervals)
General

200x76x261.5 mm
(7 7/;x2 ai/3;><1 o 9/32)
1.2 kg

(2.7 lb)

Dimensions (WxHx D):

Mass:

Notes: Specifications are subject to change without notice.
Mass and dimensions are approximate.

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 individuals of potential dangers in attempting to service a product.
Products powered by electricity should be serviced or repaired only by experienced protessional 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.

Technics®

© 2000 Matsushita Electric Industrial 00., Ltd. All
rights reserved. Unauthorized copying and
distribution is a violation of law.

Page 2

ST-HD51 5

CONTENTS

Page
1 Note --------- ------ ~2
2 Blue LED -----
3 Before Repair

4 Location of Control
5 Operation Checks and Component Replacement Procedureea
5.1. Checking for the tuner P.C.B. and FL P.C.B.
5.2. Checking for the main P.C.B. -------------------
6 To Supply Power Source and Signal Check --------------------------- 4
7 Self-Diagnostic Function ------------------
7.1. To display the malfunction code
7.2. To return to the normal display-
7.3. Display contents ------------------------------------------------------------ 5

1 Note

Refer to the service manual for Model No. SE-HDS15
(ORDER No. AD000510305) for information on Accessories
and Packaging.

2 Blue LED

0 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 R sides simultaneously to adjust the
brightness. For configuration at the time of supply of
replacement parts, refer to Printed Circuit Board Diagram.

4 Location of Controls

Page

8 Type Illustration of ICs, Transistors and Diodes -------------------- 6
9 Schematic Diagram Notes
10 Schematic Diagram
11 Printed Circuit Board Diagram

12 Wiring Connection Diagram -------------------------------------------------- 20

13 Block Diagram ---------------
14 Terminal Function of le
14.1. i0302 (M62433AFP):Digital Sound Controller ---------------- 24
14.2. IC701 (M30218MAA108):FL Drive/System Control
15 Replacement Parts List-
16 Cabinet Parts Location --

3 Before Repair

This equipment (ST-HD515), which is a component of the
system, is supplied with power from the Amplifier (SE-HD515).
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.

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

@ Station selection and Joe dial (TUNE/JOG)

® Tuning mode switch (TUNE MODE)

@ Sidelight switch (SPOT)

(29 Clock/timer button (CLOCK/TIMER)

(29 Set button (SET)

® Band select button (BAND)