Kongsberg Simrad IS12, Service Manual

Page: 9 / 67

Issue 1.0 06/06/03
SIMRAD
9
Fit an Instrument Mounting Gasket to the Case Rear and test the unit to specification.
3.2 Instrument Remote Controller .
Disassembly .
Refer to Drawing Number E03800 . Remove and retain the 6 3 x 10 mm Screws (200303) from the
rear of the unit and ease the front and rear cases apart. Retain the four Neoprene Spacer
Washers (200184) positioned, one at each of the four corners. Remove and retain the 3 No 4 x _
Screws (200104) and release the PCB. The Keypad Shim (E03954), Keypad (E03819) and the
Case Seal (E03858) may now be removed and the PCB de-soldered as required. The Hand
Remote Cable (E04042) may be removed by de-soldering the 4 connections from the PCB,
removing the Tie Wrap (200026) and withdrawing the cable through the Cable Grommet (E02542).
Assembly .
Locate the Case Seal (E03858) into the recess in the Front Case moulding (E03876) ensuring that
the radius side is towards the case and the flat side is visible. Place the Keypad (E03819) into
position ensuring that the buttons locate correctly into the apertures. Fit the Keyboard Shim
(E03954) over the switches on the PCB and fit the PCB into the front case ensuring that the shim
remains in position. Secure the PCB in place with the 3 No 4 x _ Screws (200104) and solder the
Piezo Sounder (160074) connections to the PCB. Insert the stripped ends of the Hand Remote
Cable Assembly (E04042) through the aperture in the Rear Case Moulding (E03813) and slide the
Cable Grommet (E03701) over the cable ends until 70mm of the outer insulation remains
protruding. Press the grommet into the aperture, fold the cable anticlockwise around the central
pillar of the case and secure with a Cable Tie (200026) as shown below: