Grundig Musik Boy 50 RP 5200 Service Manual
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Page 1
Service Document
Exchange Set
Musik Boy 50 RP 5200
Service
Manual
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The regulations and salary insnuoiions shall be
valid as pmvidod by ihe "Solar Service Manual,
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respecfive nulionul deviations.
Diaes Service Dokumem is! nur in Doienfomi verliigbar
This Service Documen' is only available us Join
Anderungen vorbehullen/Subiecl to uhemfion
Made byGRUNDIG in Germany I H-543 0802
hnp://www.grundig.oom
GRUI'IDIG
Page 2
ING SONY IC CXA1191 WITHOUT FM IFT
ALIGNMENT PROCEDURE
MODEL NO.: GRUNDIG RP5200
IENTS REQUIRED GENERAL PREPARATION
Generator 1. Check source voltage, DC or AC according to specificaions
Inal Generator 2. Set function switch to band being aligned
I IF Sweep Generator (10.7 MHz for FM) 3. Signal input should be kept as low as possible to avoid A60 and AFC function
4. Standard modulation: AM 1 KHz 30% mod
soope FM 1 KHz 22.5 KHz dev
Incy counter
Ited DC power supply
\LIGNMENT
3'6" SOURCE (AT2) RF 69"" CONNECT SET SIGNAL To ALIGNMENT INDICATOR (Oscilloscope, VTVM) CONNECT To SET $30 0 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
tLIGNMENT
:l requires no FM lF alignment as the IF is fixed by ceramic filter and discriminator CF 1 a CF 2. Please take note that correct type and same color dot of ceramic filter is used
g, diff color dot of ceramic filter may cause worse IF '8' curve characteristic and distortion.
F genescope output terminal to TP 3 & TP 2 (GND) in series with a 100 Pf capacitor, connect scope input terminal to TF 4 & TF 2 (GND), then the IF characteristic curve can be
GRunDIG Musik Boy so RP 5200