Technics SAEH 560 Service Manual
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Page 1
Table OfContents
COVER
1 Before Repairs
2 Protection Circuitry
3 Accessories
4 Caution for AC Main
Lad-s
5 Location of Controls
'6 OEration Checks and
Component
ReplacementProcedures
6.1 Checking for the AC IN
6.2 Checking for the
o geration P.C.B.
6.3 Checking for the main P.
6.4 Replacement for the
regulator transistor
6.5 Replacement for the
power 1C
7 To Sup 31y Power Source
V8 Sell-Diagnostic Mode
8.] To display the
malfunction code
8.2 To return to the normal
display
V8.3 Dis glay contents
8.3.1 U70CD U70 DECK
(displayed automatically)
8.3.2 F61
9 Schematic Diagram Notes
10 Schematic Diagram
11 Printed Circuit Board
Diagram
12 Type Illustration of 1Cs,
Tr stors and Diodes
13 Wiring Connection
Diagram
'14 Terminal Function of le
14.1 10901
LC8A524A5N28 :System
Control/FL Drive
15 Block Diagram
16 Replacement Parts List
17 Cabinet Parts Location
18 Packaging
Service Manual
mNExr
AD0002043C2
Service Manual
Tuner/Amplifier
SA-EHS 60
Colour
(S) ..................... Silver Type
Areas
(E) ..................... Europe.
(EB) .................. Great Britain.
(EG) .................. Germany, Italy, France, Netherlands and Denmark.
Much
Control
Tran-milla-
Page 2
Because of unique interconnecting cables, when a component
requires service, send or bring in the entire system.
System SC-EI-I560
Sound Processor SH-EH560
Tuner/Amplifier $A-EH560
CD Player SL-EH560
Cassette Deck FtS-EH760
Front Speakers* SB-EH560
Specifications
Amplifier section
Power output (L/R both channel driven):
DIN 10 kHz, THD1 % (High)
1 kHz, THD 1 % (Mid)
100 Hz, THD 1 °/. (Low)
RMS10 kHz, THD to % (High)
1 kHz, THD 10 % (Mid)
100 Hz,THD1O % (Low)
PMPO 1 kHz:
2 x 12 W (6 Q)
2 x 12 W (6 Q)
2 x 36 W (6 Q)
2 x 18 W (6 Q)
2 x 18 W (6 (2)
2 x 54 W (6 9)
1,400 W
(High Q, Mid 6 9, Low 6 Q)
Total harmonic distortion:
Rated power at 1 kHz; 1 % (6 (2)
Hall power at 1 kHz; 0.1 % (6 9)
Load impedance:
Main (High); 6 S2
(Mid); 6 9
(Low); 6 Q
S.WOOFER:
Center frequency; 70 Hz
LEVEL (VOL-20 dB): MID +8 dB
MAX +12 dB
FM tuner section
Frequency range: 87.50 - 108.00 MHz (0.05 MHz steps)
Sensitivity: 1.8 (N (IHF usable)
SIN 26 dB: 1.5 W
SIN (MONO): 70 dB (75 dB, IHF)
Antenna terminal(s): 75 $2 (unbalanced)
* : Made in Spain.
AM tuner section
Frequency range:
Sensitivity (SIN 20 dB):
Timer section
Clock:
Function:
Setting intervals (Play/Rec):
General
Power supply:
(E), (EG) areas;
(EB) area;
Power consumption:
Standby;
Normal mode
ECO mode
Dimensions (Wx H>< D):
Mass:
522 - 1629 kHz (9 kHz steps)
520 - 1630 kHz (10 kHz steps)
500 uV/m
Quartz lock type
Play timer (1 time, daily),
Ftec timer (1 time. daily).
Sleep (120 min, 30 min intervals)
1 minute - 23 hours 59 minutes
(1 min intervals)
AC 230 V, 50 Hz
AC 230 - 240 V, 50 Hz
110 W
11 W
0.5 W
293x118.5x346 mm
4.3 kg
Notes: Specifications are subject to change without notice.
Mass and dimensions are approximate.
Total harmonic distortion is measured by the digital spectrum
analyzer.
© 2000 Matsushita Electric Industrial Co, Ltd. All rights reserved. Unauthorized copying and distribution is a violation of law.
A WARNING
This servroe inlormation is designed for experienced repair technicians only and is not desrgned for use by the general public.
It does not contain wamrngs or cautions to advise non-technical Individuals 0' potential dangers In attempting to servtoe a product.
Products powered by electricrty should be serviced or repaired only by experienced prolessional technicians. Any attempt to service
or repair the product or products dealt with In this servroe Intormation by anyone else could result In senous injury or death
Page 7
1 Before Repairs
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1. Turn off the power supply. Using a 109, 10 W resistor, connect both ends of power supply
capacitors (C701, C703 and C702, C704) in order to discharge the voltage.
2. Before turning the power supply on, after completion of repair, slowly apply the primary
voltage by using a power supply voltage controller to make sure that the consumed current at
50 Hz in NO SIGNAL mode should be shown below with respectto supply voltage 230/240 V.
Power supply voltage AC 230 V AC 240 V
Consumed current 50 Hz 70 ~ 250 mA
'@
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Page 37
12 Type Illustration of le, Transistors and
Diodes
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'@
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Page 44
16 Replacement Parts List
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Notes:
Important safety notice:
Components identified byét mark have special characteristics important for safety.
Furthermore, special parts which have purposes of fire-retardant (resistors), high-quality sound
(capacitors), low-noise (resistors), etc. are used.
When replacing any of components, be sure to use only manufactures specified parts shown in the
parts list.
The
The parenthesized indications in the Remarks columns specify the areas. (Refer to the cover page for
area.)
The marking [RTL] indicates that Retention Time is Limited for this item. After the discontinuation
of this assembly in production, the item will continue to be available for a specific period of time.
The retention period of availabilityis dependent on the type of assembly, and in accordance with the
laws governing part and product retention. After the end of this period, the assembly will no longer
be available.
All parts are supplied by MESA.
Ref. No. Part No. Part Name& Description Pcs Remarks
l RKMO395C»S CABINET 1
2 RHD30007»S SCREW 4