Technics ST-HD50 Service Manual

Tuner
System: SC-HD50
* SB-HDSOA | * SB-HD50.
ST-HD50 or _
ST-HD60
RS-HD70 SE-HD60
Remote Control
ORDER NO. AD9702015C2
Tuner
Colour
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Area
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System Areas Tuner
SC-HD50 (Germany. Italy.) : ST-HD6O
SC-HD50 (Europe. Russia.) : ST-HD50O
Because of unique interconnecting cables, when a compact requires service,
send or bring in the entire system.
Specifications
Pre-amplifier Section
Input sensitivity/Impedance
EXTERNAL: 250 mV/15 kohm
Output level
EXTERNAL: 250 mV/1.5 kohm
Frequency response
EXTERNAL: 50 Hz — 25 kHz
S/N
EXTERNAL: DIN 82 cB (83 GB, IHF)
FM tuner Section
Frequency range: 87.50 — 108.00 MHz (0.05 MHz steps)
Sensitivity: 1.8 pV (IHF usable)
S/N 26 dB: 1.5 yV
S/N
MONO: 70dB (75 dB, IHF)
Stereo separation
1 kHz: 35 dB
Antenna terminal(s): 75 ohm (unbalanced)
System/SC-HD50:
AM tuner Section
Frequency range: 522 — 1611 kHz (9 kHz steps)
530 — 1620 kHz (10 kHz steps)
Sensitivity (S/N 20 dB): 500 pV/m
MAIN: 80 dB
Timer Section
Clock: Quartz-lock type
Function: 24-hour programmable;
Play timer (1 time), Rec timer (1 time)
Sleep (120 min., 30 min., intervals)
Setting: 1 minute — 23 hours 59 minutes (1 min. intervals)
General
Dimensions: 196(W)/67(H)/235(D) mm
Weight: 1.2 kg
Notes:
Specifications are subject to change without notice.
Weight and dimensions are approximate.
Tuner: ST-HD50 or ST-HD60, Compact Disc Player: SL-HD60, Amplifier: SE-HD50, Cassette Deck: RS-HD70, Speakers: SB-HD50A
Notes: * ...... Made in PAES
ZA\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 professional 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
© 1997 Matsushita Electric Industrial Co., Ltd.
All rights reserved. Unauthorized copying
and distribution is a violation of law.