Sennheiser Electronic SK 50-UHF Transmitter
Manufacturer:
Model:
SK 50-UHF
Date:
1993
Category:
Group:
Description:
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

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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:
Quality:
Electronic document, no scan, very well readable.
Upload date:
29 October 2017
MD5:
86ebf145ba8332c856eaa34a9f340b30
Downloads:
364

Information

With some SK 50-UHF there may be low-frequent rumble in range 3 (680 - 800 MHz) and range 4 (800 - 960 MHz).

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Service Manual
Manual type:
Service Manual
Pages:
41
Size:
1.16 Mbytes (1218546 Bytes)
Language:
english, german
Revision:
Manual ID:
Date:
01 January 1993
Quality:
Electronic document, no scan, very well readable.
Upload date:
29 October 2017
MD5:
9d520f7de7cdea90c873028cc02b8693
Downloads:
746

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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