Panasonic RFD-5-EB, RFD-7-EB, RFU-300-EG, RFU-350-EG Service manual

ORDER NO. MD0706008SE

FM Radio/DAB-FM Radio

RF-U300EG RF-U350EG RF-D5EB RF-D7EB

Colour

(K) .... Black Type (For RF-U300EG & RF-D5EB only)

(S) .... Silver Type (For RF-U350EG & RF-D7EB only)

Subject :

Please use this supplement manual together with the service manual for Model No. [RF-U300EG-K, Order No. MD0704062CE], [RF-U350EG-S, Order No. MD0704063CE] , [RF-D5EB-K, Order No. MD0704060CE] and [RF-D7EB-S, Order No. MD0704061CE].

Measurement and Adjustment (Additional)

CONTENTS

Page Page

1 Measurement and Adjustment 2

1.1. Instrument and Jig to be used

1.2. Preparation for alignment

2 2

1.3. FM alignment 2

1.4. AM alignment

U300EG / RF-U350EG / RF-D5EB / RF-D7EB

1 Measurement and Adjustment

1.1. Instrument and Jig to be used

• Signal generator

• Oscilloscope and electronic voltmeter

• Headphone jig

• FM dummy antenna

1.2. Preparation for alignment

• Referring to “Disassembly for Front Cabinet Assembly” of “Disassembly and Main Component Replacement Procedures and Operational Check”, set up the unit.(Fig.1-1)

• Connect the unit to power source (AC 230-240V).

• Set the volume of the unit to Max.

• As for the test points, refer to Print Circuit Board and Schematic Diagram.

Fig.1-1

1.3. FM alignment

1.3.1. FM RF alignment

1. Set the frequency of FM signal generator to 98.0MHz.

2. Input to TP13-TP2 of IC1 through the FM dummy antenna. (see Fig.1-2)

3. Adjust T3 so that the output will be maximized. (see Fig.1-4)

Fig.1-2

1.3.2. FM IF alignment

1. Set the frequency of FM signal generator to 5ch (98.0MHz).

2. Input to pin 5 of IC1 through the FM dummy antenna.

3. Rotate the core of T3 so that the output wave will be the largest (see Fig.1-4)

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