Panasonic RF-B20L Service Manual Download Page 5

Summary of Contents for RF-B20L

Page 1: ...z 31 m Power Output 400 mW max SW4 11 65 12 05 MHz 25 m Speaker 6 5 cm PM Dynamic Speaker 8Q SW5 15 10 15 60 MHz 19 m Impedance Earphone 8Q 23 5 SW6 17 55 17 90 MHz 16 m Dimensions 173 W x92 H x29 D m...

Page 2: ...rol to the desired level 1 Slide the Hold Switch to the opposite direction of the arrow 7 Adjust the Tone Control to the desired tonal quality HQ If this is not done the Band Select Buttons do When th...

Page 3: ...able to adjust the antenna unless the base has been pulled free of the set When folding up the antenna first push the base back into the set and then push the antenna elements back together starting...

Page 4: ...Adjust L7b 150kHz Tune to signal ANT Coil moving coil Bobbin along ferrite core et Adjust for maximum 285 kHz output ANT Trimmer Repeat steps P Output meter F Tuning capacitor L19 MW OSC Adjust for ma...

Page 5: ...4 1C3 5 6 SWITCHING SWI 6 RFAMP SWIx6 Ist MIX SWI 6 BUFFER 0 Rm 2 Tg 20 Ga is QO029 MN4043BS MN4072BS OB LN2SRPLF 8 4 5 4 MW LW SW FM MW LW SW FM TUNING IND TM MW LW SW SWITCHING SWITCHING eh beh NAAi...

Page 6: ...043BS MN4072BS IC AF AMP FM OSC MIX IC FM AM IF AMP etc IC MW LW SW FM Switching IC MW LW SW FM Switching IC MW LW SW FM Switching TRANSISTORS Transistor MW RF LW RF Transistor Switching Buffer FM IF...

Page 7: ...2 ERJ6GCJ333 R50 94 95 96 ERJ6EGCJ332 R51 ERJ6GCJ334 R52 67 ERJ6GCJ681 R54 ERJ6GCJ123 R58 ERJ6GCJ181 R59 ERJ6GCJ331 R65 ERJ6GCJ183 R66 ERJ6GCJ470 R70 71 72 73 ERJ6GCJ561 R74 75 76 78 ERJ6GC103 R80 81...

Page 8: ...at once will break the plating on the circuit board Attachment Carefully solder the replacement parts to the same location do not permit the parts to shift Note If allowed to shift the part may inter...

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