Sennheiser Electronic SK 50-UHF Transmitter
Manufacturer:
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Model:
SK 50-UHF
Date:
1993
Class:
Type:
SubType:
Mikroport body-pack transmitters
Information
The SK 50 UHF and
SK 250 UHF Mikroport body-pack trans-
mitters are designed for the frequency range from 450 - 960
MHz. Within a switching bandwidth of 24 MHz, up to 16
channels can be selected. In combination with a
Microphone,
the
Transmitter can be used as a cordless
Microphone. To
reduce interference and to improve the signal-to-noise ratio, SK
50 UHF and
SK 250 UHF transmitters are equipped with the
"HiDyn Plus" noise reduction system. In combination with a
Receiver which is also equipped with this system (e.g. EM
1046), a link can be established which is characterised by
excellent operational reliability and superb transmission
quality.
FEATURES
Diecast housing with quick-change battery pack
State-of-the-art PLL technology, 16 switchable channels
"HiDyn Plus" compander
Signal-to-noise ratio of 110 dB (A)
Integral DC-DC
Converter for constant output power
through to complete discharge of the battery or rechargeable
battery
Operating time display with blinking signal
Battery status transmission to the
Receiver
Operating and peak deviation indicator
Service Manual Supplement
Manual type:
Service Manual Supplement
Pages:
2
Size:
409.82 Kbytes (419656 Bytes)
Language:
english, german
Revision:
Manual-ID:
SI 960718-12
Date:
unknown
Quality:
Electronic document, no scan, very well readable.
Upload date:
2017 10 29
MD5:
86ebf145ba8332c856eaa34a9f340b30
Downloads:
424
Information
With some
SK 50-UHF there may be low-frequent rumble in
range 3 (680 - 800 MHz) and range 4 (800 - 960 MHz).
Manual type:
Service Manual
Pages:
41
Size:
1.16 Mbytes (1218546 Bytes)
Language:
english, german
Revision:
Manual-ID:
Date:
1993 01 01
Quality:
Electronic document, no scan, very well readable.
Upload date:
2017 10 29
MD5:
9d520f7de7cdea90c873028cc02b8693
Downloads:
864
Information
1. OPERATING ELEMENTS 3
2. TECHNICAL DATA 4
3. DESCRIPTION 5
3.1. MECHANICAL CONSTRUCTION 5
3.2. AUDIO FREQUENCY SECTION 5
3.3. RADIO FREQUENCY SECTION 7
3.4. POWER SUPPLY (DC) 9
3.5. CIRCUIT DIAGRAM IN A FEW WORDS 10
3.6. CALCULATING THE ANTENNA LENGTH 13
4. SERVICE HINTS 14
4.1. GENERAL 14
4.2. DISASSEMBLY 14
4.3. ALIGNMENT 14
4.4. CHANGING CHANNEL FREQUENCIES 15
4.5. SMD (SURFACE MOUNTED DEVICES) 15
5. SPECIAL TOOLS AND EQUIPMENT 16
6. TEST SET-UP 16
7. TEST AND ALIGNMENT INSTRUCTIONS 19
8. CIRCUIT DIAGRAMS 21
8.1. SK 50 UHF 21
8.2. SK 250 UHF 22
9. PRINTED CIRCUIT BOARD 23
8.1. SK 50 UHF 23
8.2. SK 250 UHF 24
10. EXPLODED VIEW 25
11. SPARE PARTS 26
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