GE Corometrics 250 Series Service Manual page 219

Revision D
Parts List, Drawings, and Replacement: Assembly/Disassembly of FRUs
36. Remove front bezel from chassis tabs.
37. Insert new front bezel into chassis tabs.
38. Push power switch in through front bezel.
39. Insert metal retaining clip into top and bottom bridges on power switch. Then
push in tightly.
40. Connect four Fast-on tab connectors to power switch.
41. Insert Encoder, Encoder washer, and Trim knob into front bezel.
42. Insert Keypad board and main keyboard pad into front bezel.
43. Fasten Keypad to front bezel with four screws.
44. Connect Encoder cable to Keypad board.
45. Fasten Keypad bracket to front bezel with two screws.
46. Insert Volume board and side keyboard pad into front bezel.
47. Fasten Volume board and side keyboard pad to front bezel with four screws.
48. Insert new Display lens.
49. Insert new Display assembly. Fasten to front bezel with four screws.
50. Fasten bracket to Display assembly with screw.
51. Fasten bracket to front bezel with screw.
52. Connect 10-conductor Keypad-to-Volume ribbon cable to Volume board
connector.
53. Connect red tubes to Front-bezel NIBP connector.
54. Connect IUP cable to Front-end Motherboard.
55. Connect FECG cable to Front-end Motherboard.
56. Place FECG ground cable onto chassis post and tighten with nut.
57. Insert MECG and FECG cable beads into chassis bead clips.
58. Insert MSpO
59. Connect MECG cable to MECG board connector.
60. Connect MSpO
61. Connect Ultrasound cables to Ultrasound board connectors. The left-most
Ultrasound connector US1 cable goes to the rear connector on Ultrasound
board, J5.
62. Replace card cage cover. Re-insert screws.
63. Tilt the front bezel back onto chassis. Refasten screws to each side of chassis.
64. Connect 10-conductor DSP-to-Keypad ribbon cable to DSP board connector J5.
65. Connect 20-conductor DSP-to-LCD Decoder ribbon cable to DSP board
connector J2.
66. Connect 8-conductor Inverter cable to DSP board connector J1.
67. Place DSP board onto Main board. Use two screws to fasten DSP board to
chassis.
68. Slide-on top cover. Re-insert screws.
250 Series Maternal/Fetal Monitor
cable beads into chassis bead clips.
2
cable to SpO Carrier board connector.
2 2
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