Technics STCA 10 Service Manual

Page 1

, Service Manual

Tuner

"SB-CA10

SL-CA1 0

SB-PC10

ST-CA1 0

FIS-CA10

SE-CA1 0

ORDER NO. A0951227008

Tuner

SB-CAN Remote control
transmitter

SB-PS1 0

ST-CAi O

Because of unique interconnecting cables, when a component ]

. I requires service, send or bring in the entire system.

ISPECIFICATIONS

IPre-amplitier section
Input sensitivity/impedance
PHONO
EXTERNAL, VCR, VDP
Out ut level

E TERNALI VCR REC OUT
Frequency response

EXTERNAL, VCR. VDP
SIN

PHONO
EXTERNAL, VCR, VDP

IDOLBY PRO LOGIC section

PRO LOGIC mode
CENTER mode

2.5 mV/ 47 kg
150 mV/15 k9

150 rnV/1.5 MI

30 HZ -15 kHz/+1.5 to ~21) dB

20 Hz-4O kHz

DIN 75 dB (77 dB, IHF)
DIN 83 dB (85 dB, IHF)

SURROUND. 3 STEREO
NORMAL, WIDE. PHANTOM

Colour
(K)...Black Type
Area
3:3; E: Area Colour
(E) Europe.
(EB) Great Britain.
(EG) Germany and Italy. (K)
Asia. Latin America,
(GO) Middle Near east and
Africa.

System: SC-CA10

SAM tuner section

Frequency range
[For (E, E3) areas]
MW

LW
[For (EG, GC) areas]
A M

Sensitivity (SIN 20 dB)
[For (E, EB) areas]
MW

LW
[For (EG, GC) areas]
AM

522-1611 kHz (9 kHz steps)
530-1620 kHz (10 kHz steps)
144~288 kHz (9 kHz steps)

522-1611 kHz (9 kHz steps)
530-1620 kHz (10 kHz steps)
500 pV/m

50 p/V

500 pV/m

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 protessionai technicians. Any attempt to
service or repair the product or products deal! with in this service Information by anyone else could result in serious injury or death.

DELAY TIME 15. 20, 25, 30 ms. lTimer section
Clock Qua rtz-lock type
I FM tuner section Function 34-hour programmable
Frequency range 8750-10800 MHz Play timer (1 tlme). Rec they (1 time)
(0.05 MHZ steps) . ' Sleep (120'min., 30 min. intervals)
Sensitivity 1,8 IJV (IHF usable) Setting 1 minute-23 hours 59 minutes (1 min. intervals)
SIN 26 dB 1.5 uv
5m lGeneral
MONO 70 dB (75 dB, IHF) Dimensions (WXHXD) 280x89><291 mm
Stereo separation Weight 1.75 kg
1 kHz 35 dB
Antenna terminal(s) 750 (unbalance) Note:
Specifications are subject to change without notice.
Weight and dimensions are approximate.
System Tuner CD changer Amplifier Cassette deck Speakers
" SB-CA10
SC-CA10 ST-CA10 SL»CA10 SE-CA1O RS-CAIO SB-PTIO
(SB-PCtO+SB-P810)
*1 Made in PAES
*2 For (E. E8, EG) areas....Made in PAES
For (60, GN) areas...,Made in NABEL
A WARNING

Technic§

© 1995 Matsushita Electric Industrial Co., Ltd.
All rights reserved. Unauthorized copying and
distribution is a violation of law.

Page 2

ST-CA1 ,0,

I CONTENTS

LOCATION OF CONTROLS.
SETTING THE TIME ..........
ABOUT THE SELF-DIAGNOSTIC MODE..
OPERATION CHECK AND MAIN COMPONENT

REPLACEMENT PROCEDURES
TO SUPPLY POWER SOURCE .......
MEASUREMENTS AND ADJUSTMENTS ..
REPLACEMENT OF THE FOOT .............

NOTE:

macho

Page
SCHEMATIC DIAGRAM ....................... 7~26
PRINTED CIRCUIT BOARD DIAGRAM . 27~30
WIRING CONNECTION DIAGRAM ........... 31
BLOCK DIAGRAM. . 32~37
TERMINAL GUIDE . 38, 39
REPLACEMENT PARTS LIST .. . 39~42
RESISTORS AND CAPACITORS . 42~46
CABINET PARTS LOCATION... ..... 43

Refer to the service manual for Model No. SE-CA10 (ORDER No. AD951227268) for information on ACCESSORIES.

INSTALLATION , CONNECTIONS" and PACKAGING.

I LOCATION OF CONTROLS

)9 f r

I

/
/

f- WPPPSDmlPIPl/PP

Wt?

® JOG control (JOG)
® Display

ISETTING THE TIME

\\ m um,

1

(9 Volume control (VOLUME)

@ Set button (SET)

(5) Clock/timer button (CLOCK/TIMER)

@ Record timer button (to REC)

® Play timer button (6 PLAY)

Tuning mode select button (TUNING MODE)
© Tuner indicator (TUNER)

® Band select button (FM, LWIMW)

® Source input select button (INPUT SELECTOR)
® Display mode select button (DISP MODE)
® PTY select button (PTY SELECT)

PTY search button (PTY SEARCH)

63 Remote control signal sensor (SENSOR)

Note: @, ®, @: For [E, EG] areas.

STANDBY I

~oOI a 10000

Cl

This is a 24-hours display clock.
These instructions explain how to set the timer for 16:25 (4:25 pm.)
on Wednesday.

1 Switch on the power.
The very first time you turn ON the power or whenever you turn
it ON after having unplugged and plugged the stereo in again,
you will hear the sound of the tray mechanism. There is nothing
wrong with your CD changer. This happens because of initial
settings.

2 (D Press CLOCK/TIMER to show CLOCK.
Within 10 seconds:
® Press SET.
3 6) Turn JOG to select the day.
® Press SET.
4 (D Turn JOG to select the hour.
® Press SET.

5 ® Turn JOG to select the minutes.
® Press SET to finish setting the time.

The display will return to the previous display after about 3 sec-
onds.

When SUN 0:00 flashes:

lt flashes when you connect the AC power supply cord for the first
time or it there has been a power failure.

If this happens, reset the time.

If the minutes setting has gone wrong:

1 Press CLOCK/TIMER.

2. Press SET 3 times.

3. Turn JOG to set the minute, and then press SET.

To display the clock again:
Press CLOCK/TIMER.
The clock display will appear for about 10 seconds.

For your reference:
When you turn OFF the power from the POWER button, the stereo
goes on standby and the STANDBY lamp lights up.

Page 34

ST-CA10 7

0 Signal llne L__'> : FM signal

111111 0 : FM osc sfgnal

fl :AM signal "I. :AM 95c slgnal

: Rec om signal a : Center speaker drlve signal BIO :Sourround spaaker drive slgnal
, l E}, i L__,,'-'\ =
For (E, E6) areas.
VRssn
: (EDS AN ) X551 .1." ' i
(455 kHZ) -=-' LA2230M-TE-L
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- 9 05:32 CONVERTER 9513mm, PARALLEL .
I - 15 16 r OORRECTION CONVERTER -
x552 r | LCas1o4A4F75 R. CLK 16 14 '
(4MHZ) ' I I c 5 5 2 R. STRT SYNCHFON'ZE

(-

DETECTOR

I MICRO COMPUTER
1sl
CLOCK
x 7 CEI
12
y CEO + I
ZfitDATAs 2 5 > I 0551552
_ POWER 1:553
11 61 SUPPLY g
0550 CONTROL
l
RESET
SIGNAL 5 o /
GENERATOR +