Page 1
Allgemeiner Teil / General SectionUMS 11 É UMS 12-S
1 - 2 GRUNDIG Service
Es gelten die Vorschriften und Sicherheitshin-
weise gemŠ§ dem Service Manual "Sicherheit",
Sach-Nummer 72010-800.00, sowie zusŠtzlich
die eventuell abweichenden, landesspezifischen
Vorschriften!The regulations and safety instructions shall be
valid as provided by the "Safety" Service Manual,
part number 72010-800.00, as well as the
respective national deviations.
GB
Table of Contents
Page
General Section ........................... 1 - 3 É 1 - 16
Test Equipment / Aids ............................................................... 1 - 3
Technical Data ........................................................................\
.. 1 - 3
Disassembly Instructions .......................................................... 1 - 4
Operating Hints ....................................................................... 1 - 13
Adjustment Procedures ................ 2 - 3 É 2 - 4
Circuit Diagrams
and Layout of PCBs .................... 3 - 1 É 3 - 36
Block Diagram ........................................................................\
... 3 - 1
Wiring Diagram UMS 11 ........................................................... 3 - 3
Wiring Diagram UMS 12, UMS 12-S ......................................... 3 - 4
IC Block Diagrams .................................................................... 3 - 5
Circuit Diagrams
Main Board UMS 11 .............................................................. 3 - 7
Main Board UMS 12, UMS 12-S .......................................... 3 - 15
Panel Board ........................................................................\
. 3 - 19
Headphone Board ................................................................ 3 - 21
Transformer Board ............................................................... 3 - 22
CD Board ........................................................................\
..... 3 - 23
Cassette Part UMS 11 ......................................................... 3 - 27
Cassette Part UMS 12, UMS 12-S ...................................... 3 - 31
Subwoofer UMS 12-S .......................................................... 3 - 35
Layout of PCBs Main Board UMS 11 ............................................................ 3 - 11
Main Board UMS 12, UMS 12-S .......................................... 3 - 13
Panel Board ........................................................................\
. 3 - 20
Headphone Board ................................................................ 3 - 21
Transformer Board ............................................................... 3 - 22
CD Board ........................................................................\
..... 3 - 25
Cassette Part UMS 11 ......................................................... 3 - 30
Cassette Part UMS 12, UMS 12-S ...................................... 3 - 34
Subwoofer UMS 12-S .......................................................... 3 - 35
Spare Parts Lists and
Exploded Views ........................... 4 - 1 É 4 - 10
Exploded View UMS 11 ............................................................ 4 - 1
Exploded View CD Drive ........................................................... 4 - 3
Spare Parts List UMS 11 .......................................................... 4 - 3
Exploded View UMS 12, UMS 12-S .......................................... 4 - 5
Exploded View Tape Drive UMS 12, UMS 12-S ....................... 4 - 7
Spare Parts List UMS 12 .......................................................... 4 - 8
Spare Parts List UMS 12-S ....................................................... 4 - 9
D
Inhaltsverzeichnis
Seite
Allgemeiner Teil .......................... 1 - 3 É 1 - 13
Me§gerŠte / Hilfsmittel .............................................................. 1 - 3
Technische Daten ..................................................................... 1 - 3
Ausbauhinweise ........................................................................\
1 - 4
Bedienhinweise ....................................................................... 1 - 10
Abgleichvorschriften .................... 2 - 1 É 2 - 2
SchaltplŠne und
Druckplattenabbildungen ........... 3 - 1 É 3 - 36
Blockschaltplan ........................................................................\
. 3 - 1
Verdrahtungsplan UMS 11 ........................................................ 3 - 3
Verdrahtungsplan UMS 12, UMS 12-S ..................................... 3 - 4
IC-BlockschaltplŠne .................................................................. 3 - 5
SchaltplŠneHauptplatte UMS 11 .............................................................. 3 - 7
Hauptplatte UMS 12, UMS 12-S .......................................... 3 - 15
Bedienplatte ........................................................................\
. 3 - 19
Kopfhšrerplatte .................................................................... 3 - 21
Trafoplatte ........................................................................\
.... 3 - 22
CD-Platte ........................................................................\
..... 3 - 23
Cassettenteil UMS 11 .......................................................... 3 - 27
Cassettenteil UMS 12, UMS 12-S ....................................... 3 - 31
Subwoofer UMS 12-S .......................................................... 3 - 35
Druckplattenabbildungen Hauptplatte UMS 11 ............................................................ 3 - 11
Hauptplatte UMS 12, UMS 12-S .......................................... 3 - 13
Bedienplatte ........................................................................\
. 3 - 20
Kopfhšrerplatte .................................................................... 3 - 21
Trafoplatte ........................................................................\
.... 3 - 22
CD-Platte ........................................................................\
..... 3 - 25
Cassettenteil UMS 11 .......................................................... 3 - 30
Cassettenteil UMS 12, UMS 12-S ....................................... 3 - 34
Subwoofer UMS 12-S .......................................................... 3 - 35
Ersatzteillisten und
Explosionszeichnungen ............. 4 - 1 É 4 - 10
Explosionszeichnung UMS 11 .................................................. 4 - 1
Explosionszeichnung CD-Laufwerk .......................................... 4 - 3
Ersatzteilliste UMS 11 ............................................................... 4 - 3
Explosionszeichnung UMS 12, UMS 12-S ................................ 4 - 5
Explosionszeichnung Cassettenlaufwerk UMS 12, UMS 12-S . 4 - 7
Ersatzteilliste UMS 12 ............................................................... 4 - 8
Ersatzteilliste UMS 12-S ........................................................... 4 - 9
Page 2
UMS 11 É UMS 12-SAllgemeiner Teil / General Section
GRUNDIG Service 1 - 3
Technische Daten
Amplifier
UMS 11:
Ausgangsleistung ............................................... 2 x 20W Musik..................................... 2 x 10W Sinus (<10% THD, 4 W, 1kHz)
UMS 12, UMS 12-S: Ausgangsleistung ............................................... 2 x 30W Musik..................................... 2 x 15W Sinus (<10% THD, 4 W, 1kHz)
Bandbreite der Ausgangsleistung ........................... 20 - 20.000Hz
Frequenzgang ......................................................... 20 - 20.000Hz
Stšrabstand ............................................................... ³ 80dB (IEC)
Kanaltrennung ........................................................ ³ 55dB (1kHz)
Lautsprecher ........................................................................\
.. ³ 4 W
Kopfhšrer(3,5mm) .................................................... 32 W - 1.000 W
Tuner
FM-Wellenbereich(UKW) ....................................... 87,5 - 108MHz
MW-Wellenbereich ................................................ 531 - 1.602kHz
Empfindlichkeit bei 75 W, 26dB Stšrabstand, UKW-Mono .... 2,5 mV
UKW-Frequenzgang .................................. 63 - 15.000Hz ( ± 3dB)
Stšrabstand ........................................................................\
. 54dBA
CD-Player
Frequenzbereich ..................................................... 20 - 20.000Hz
Stšrabstand ...................................................................... ³ 80dBA
Kanaltrennung .................................................................... ³ 60dB
Klirrfaktor ........................................................................\
.... < 0,3%
Cassettendeck Frequenzbereich
CrO2-Cassette (TypII) (nur UMS 12 / UMS 12-S)............................................................... 80 - 15.000Hz ( ± 2dB)
Normale Cassette (TypI) ...................... 100 - 10.000Hz ( ± 3dB)
Stšrabstand (ohne DBB) CrO2-Cassette (TypII) (nur UMS 12 / UMS 12-S)........................................................................\
............. ³ 50dBA
Normale Cassette (TypI) ............................................. ³ 45dBA
Gleichlaufschwankungen .......................................... £ 0,25% DIN
GehŠuse Material / OberflŠche .................................... Polystyrol und Metall
Abmessungen (B x H x T) .............................. 160 x 268 x 290mm
Gewicht ........................................................................\
...... ca. 5kg
Lautsprecherbox Abmessungen (B x H x T) .............................. 160 x 268 x 290mm
Gewicht ........................................................................\
...... ca. 5kg
Tieftšner ....................................................................... 1 x 5,5 Zoll
Hochtšner ........................................................................\
1 x 2 Zoll
Technical Data
AmplifierUMS 11:
Output power ....................................................... 2 x 20W MPO..................................... 2 x 10W RMS (< 10% THD, 4 W, 1kHz)
UMS 12, UMS 12-S: Output power ....................................................... 2 x 30W MPO..................................... 2 x 15W RMS (< 10% THD, 4 W, 1kHz)
Power band width .................................................... 20 - 20,000Hz
Frequency response ............................................... 20 - 20,000Hz
Signal-to-noise ratio .................................................. ³ 80dB (IEC)
Stereo separation ................................................... ³ 55dB (1kHz)
Loudspeakers ........................................................................\
. ³ 4 W
Headphones (¿3.5mm) ............................................ 32 W - 1,000 W
Tuner
FM wave range ...................................................... 87.5 - 108MHz
MW wave range ..................................................... 531 - 1602kHz
Sensitivity at 75 W, 26dB S/N, FM mono ............................... 2.5 mV
FM Frequency response ............................ 63 - 15,000Hz ( ± 3dB)
Signal-to-noise ratio ......................................................... ³ 54dBA
CD player
Frequency range .................................................... 20 Ð 20,000Hz
Signal-to-noise ................................................................. ³ 80dBA
Channel separation ............................................................ ³ 60dB
Total harmonic distortion .................................................... < 0.3%
Cassette deck Frequency range
CrO2 tape (type II) (only UMS 12 / UMS 12-S)............................................................... 80 - 15,000Hz ( ± 2dB)
Normal tape (type I) .............................. 100 - 10,000Hz ( ± 3dB)
Signal-to-noise ratio (without DBB) CrO2 tape (type II) (only UMS 12 / UMS 12-S)........................................................................\
............. ³ 50dBA
Normal tape (type I) ...................................................... ³ 45dBA
Wow and flutter ......................................................... £ 0.25% DIN
Cabinet Material/finish ............................................. Metal and polystyrene
Dimensions (w x h x d) ................................... 160 x 268 x 290mm
Weight ........................................................................\
. 5kg approx.
Speaker box Dimensions (w x h x d) ................................... 160 x 268 x 290mm
Weight ........................................................................\
. 5kg approx.
Speaker woofer ........................................................... 1 x 5.5 inch
Speaker tweeter ............................................................. 1 x 2 inch
Allgemeiner Teil
Me§gerŠte / Me§mittel
Me§-/Wobbelsender
Oszilloskop
Klirrfaktorme§gerŠt
DC-Voltmeter
NF-Voltmeter
FrequenzzŠhler
Testkassette 448A (Sach-Nr. 35079-023.00)
Beachten Sie bitte das GRUNDIG Me§technik-Programm, das Sie
unter folgender Adresse erhalten:
GRUNDIG Instruments
Test- und Me§systeme GmbH
WŸrzburger Str. 150, D-90766 FŸrth/Bay
Tel. 0911/703-4118, Fax 0911/703-4130
General Section
Test Equipment / Aids
Standard/sweep generator
Oscilloscope
Distortion meter
DC voltmeter
AF voltmeter
Frequency counter
Test cassette 448A (part no. 35079.023.00)
Please note the Grundig Catalog "Test and Measuring Equipment"
obtainable from:GRUNDIG Instruments
Test- und Me§systeme GmbH
WŸrzburger Str. 150, D-90766 FŸrth/Bay
Tel. 0911/703-4118, Fax 0911/703-4130
