Welch Allyn Micro Tymp 1, Service Manual

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Section 5.2 Disassembly & Reassembly
Re-assembly and Repair, Printer Charger
B 1. REPLACE CIRCUIT BOARDS INTO HOUSING.
CONNECT THE 20 PIN MALE CONNECTOR ON THE PRINTER BOARD INTO THE
20 PIN FEMALE CONNECTOR ON THE POWER SUPPLY BOARD.
ATTACH THE TWO BOARDS TOGETHER USING TWO SCREWS, SPACERS.
POSITION SPACERS BETWEEN THE MALE CONNECTOR AND THE POWER
SUPPLY BOARD. APPLY A BEAD OF RTV 108 (THICK CLEAR) M-30313, TO THE
EXPOSED THREADS OF THE TWO SCREWS PROTRUDING FROM THE PEM
NUTS ON THE BACK OF THE POWER SUPPLY BOARD.
B 2. PUT BOARDS INTO HOUSING.
CONNECT THE 4 PIN MALE WIRE JACK TO THE BOARD (FROM THE DATA
AND CHARGING CONTACTS, CONTAINS THE RED, BLUE, BLACK AND YEL-
LOW WIRES). PLACE THE WIRES UNDER CAPACITOR C1.
B 3. FASTEN WIRES.
FASTEN THE BLACK AND WHITE OR BLUE AND BROWN WIRES SECURELY
INTO THE TERMINAL BLOCK.. FASTEN THE GREEN WIRE.
ON US AND CANADIAN VERSIONS, TIGHTEN THE SCREW THAT HOLDS THE
GROUND WIRE ONTO THE TRANSFORMER AND THE GROUND WIRE FROM
THE TOP HOUSING OPPOSITE SCREWS.
ON AUSTRALIA, EUROPE, JAPAN AND UNITED KINGDOM UNITS, FASTEN THE
GREEN/YELLOW WIRE SECURELY INTO THE TERMINAL BLOCK, AND THE
GROUND WIRE FROM THE TOP HOUSING TO THE TRANSFORMER.
B 4. ROUTE WIRES.
INSTALL WIRE TIE (SMOOTH SIDE FACING OUT) AROUND TRANSFORMER
AND THE HOUSING. PULL IT TIGHT WITH A PAIR OF PLIERS AND CUT OFF
EXCESS.
B 5. INSPECT.
CHECK TO BE SURE THE FLEX STRIP IS PUSHED DOWN TIGHTLY INTO HTE 9-
PIN CONNECTOR.
C 1. REPLACE TOP HOUSING.
REPLACE 3 SCREWS THAT HOLD THE TOP HOUSING TO THE PRINTER
BOARD. TIGHTEN SCREWS. TWO BOSSES ARE LOCATED UP THROUGH THE
SLOT OF THE BOTTOM HOUSING, THE THIRD IS TO THE RIGHT OF THE SLOT.
C 2. REPLACE BOTTOM PLATE.
INSTALL AND TIGHTEN THE 4 SCREWS THAT HOLD THE BOTTOM PLATE IN
PLACE.
D 1. TEST PRINTER/CHARGER.
PERFORM FULL FUNCTIONAL TESTS ON PRINTER/CHARGER.
END PRINTER/CHARGER REASSEMBLY
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