Grundig Musik-Boy-50-RP-5200 Service Manual
Service Document
Exchange Set
Musik Boy 50 RP 5200
Service
Manual
Sicherheit
Safety
Materialnr./Part No.
720108000000
Dieses Service Dokument ist nur in Datenform verfügbar
This Service Document is only available as data
Änderungen vorbehalten/Subject to alteration
Made by GRUNDIG in Germany • H-S43 0802
http://www.grundig.com
Es gelten die Vorschriften und Sicherheitshinweise
gemäß dem Service Manual "Sicherheit", Material-
S
nummer 720108000000, sowie zusätzlich die eventuell abweichenden, landesspezifischen Vorschriften!
The regulations and safety instructions shall be
valid as provided by the "Safety" Service Manual,
S
part number 720108000000, as well as the
respective national deviations.
ǵ
A L I G N M E N T P R O C E D U R E
MODEL NO.: GRUNDIG RP5200
Generator 1. Check source voltage, DC or AC according to specificaions
4. Standard modulation : AM 1 KHz 30% mod
scope FM 1 KHz 22.5 KHz dev
SIGNAL SOURCE (AM RF Gen.) CONNECT
TO
SET SIGNAL TO ALIGNMENT INDICATOR (Oscilloscope, VTVM) CONNECT TO
SET RADIO DIAL
TO
ADJUST ADJUST FOR REMARKS
TP 4
A standard radiation
460KHz
Detector output terminal Quiet Volume control at
loop and ground Point T 2 Maximum min. position
Repeat step 1 for max. output
ct type and same color dot of ceramic filter is used
F genescope output terminal to TP 3 & TP 2 (GND) in series with a 100 Pf capacitor, connect scope input terminal to TP 4 & TP
2 (GND), then the IF characteristic curve can be
ǵ
Musik Boy 50 RP 5200
NOTE :
A L I G N M E N T P R O C E D U R E
MODEL NO.: GRUNDIG RP5200
FM RF ALIGNMENT
STEP SIGNAL SOURCE (FM Signal Gen.) CONNECT TO SET SIGNAL TO
ALIGNMENT INDICATOR (Oscilloscope, VTVM) CONNECT
TO
SET RADIO DIAL
TO
ADJUST ADJUST FOR REMARKS
L 4
1
87.35 MHz (Lowest end) stretch or
(modulated) squeeze
TP 1 108.25 MHz Terminals VC1 B Volume
2
through matching network (modulated) across speaker (Highest end) (Osc. trimmer) Maximum control at
if necessary voice coil L 3 (RF coil) max. position
3
88 MHz 88 MHz stretch or
(modulated) squeeze
106 MHz VC1 C
4
(modulated) 106 MHz (RF trimmer)
5
Repeat steps 3 and 4 as necessary to minimize tracking error and also steps 1 and 2 if necessary
AM RF ALIGNMENT
STEP SIGNAL SOURCE (AM Signal Gen.) CONNECT TO SET SIGNAL TO
ALIGNMENT INDICATOR (Oscilloscope, VTVM) CONNECT
TO
SET RADIO DIAL
TO
ADJUST ADJUST FOR REMARKS
515 KHz L 5
1
(modulated) (Lowest end) (Osc. coil)
1640 KHz VC1 A Volume
2
A standard radiation (modulated) Across speaker (Highest end) (Osc. trimmer) Maximum control at
loop ant. 600 KHz voice coil L 2 max. position
3
(modulated) 558 KHz (ant. coil)
1440 KHz VC1 D
4
(modulated) 1440 KHz (ant. trimmer)
5
Repeat steps 3 and 4 as necessary to minimize tracking error and also steps 1 and 2 if necessary
SW RF ALIGNMENT
STEP SIGNAL SOURCE (LW Signal Gen.) CONNECT TO SET SIGNAL TO
ALIGNMENT INDICATOR (Oscilloscope, VTVM) CONNECT
TO
SET RADIO DIAL
TO
ADJUST ADJUST FOR REMARKS
5.85 KHz L 7
1 (modulated) (Lowest end) (Osc. Coil)
TP1 18.5 KHz Terminals TC 2 Volume
2 through matching natwork (modulated) across speaker (Highest end) (Osc. trimmer) Maximum control at
if necessary 6 KHz voice coil L 6 max. position
3 (modulated) 6 KHz (ant. coil)
16 KHz TC 1
4 (modulated) 16 KHz (ant. trimmer)
5 SW band tracking needs precise alignment to achieve best possible sensitivity. So repeat steps 3 and 4 at least 2 times, if ne
cessary also repeat steps 1 and 2
ǵ
Musik Boy 50 RP 5200
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