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World of Ham Radio 1997
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WOHR97_AmSoft_(1997-02-01).iso
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dr110_1.doc
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1997-02-01
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59 lines
DR110
ALINCO DR-110 LCD READOUT REPAIR
THIS SHOULD ALSO WORK FOR THE DR-112 AS WELL AS THE DR-410
TOOLS NEEDED
LOW POWER SOLDER PENCIL OR SOLDER STATION
SOLDER WICK OR DE-SOLDER STATION
SMALL DYKES
SMALL NEEDLE NOSE PLIERS
HEMOSTATS
SMALL/MEDIUM PHILIPS SCREW DRIVER
SOLDER, ROSIN CORE FINE WIRE TYPE
6 GRAIN OF WHEAT LITES FROM ALINCO
OR RADIO SHACK PART NO.272-1141 12 VDC .025A
THE RADIO SHACK PARTS HAVE NICE PIG TALES ON THEM
AND YOU DO NOT NEED THE YELLOW SLEEVES FOR THESE LITES
OR USE RAIO SHACK PART NO. 272-1092 12 VDC 60 MA MICRO LAMPS
THESE DO NOT HAVE THE INSULATED PIG TALES ON THEM AND ARE BRIGHTER !!!
I DID GET ALINCO TO SEND ME THE LITES FREE OF CHARGE.
IF YOU ARE NOT USE TO WORKING ON THESE SMALL CIRCUITS
SEND THE RADIO TO YOUR LOCAL HAM REPAIR STATION
I CANNOT TEACH SOLDERING VIA PACKET RADIO SO
ONLY DO IF YOU CAN SOLDER IN SMALL PLACES.
STEP 1 - REMOVE TOP AND BOTTOM COVER
STEP 2 - REMOVE 3 KNOBS FROM FRONT OF RADIO
STEP 3 - REMOVE NUT FROM SHAFT OF THE CHANNEL SELECTOR
STEP 4 - REMOVE NUT FROM THE MICROPHONE CONNECTOR
STEP 5 - REMOVE FRONT PLATE FROM RADIO, THIS HAS
SNAPS ON TOP AND BOTTOM, SO BE CAREFUL !!
STEP 6 - REMOVE 3 SMALL PHILIPS SCREWS THAT HOLD
THE PC BOARD TO THE FRONT OF THE RADIO.
DO NOT CUT WIRES !!!
STEP 7*- LOCATE TABS THAT ARE HOLDING THE DISPLAY TO
THE PC BOARD AND BEND STRAIGHT. BE CAREFUL
DO NOT BREAK OFF !!!
STEP 8*- REMOVE DISPLAY FROM PC BOARD AND SET ASIDE.
* STEP 7 AND 8 CAN BE ELIMINATED IF YOU CAN FIND
THE 2 LITES THAT LIGHT UP THE DISPLAY FROM THE BACK
OF THE PC BOARD
STEP 9 - LOCATE LITES (6). 1 LITE UNDER THE OFF/ON SW
3 ABOVE THE ROW OF SMALL SWITCHES. THESE 4
LITES HAVE A BLUE RUBBER COVER ON THEM.
2 LITES MOUNTED WHERE THE LCD DISPLAY WAS.
CONTINUED IN DR110.1