Motorola HT750 Service Manual - Page 28

Speaker, Microphone, and Universal Connector Flex Disassembly

Get Motorola HT750 - UHF/VHF/Low Band - Radio PDF manuals and user guides View all Motorola HT750 manuals
Add to My Manuals
Save this manual to your list of manuals

Page 28 highlights

3-8 Retainer Display Module Maintenance Keypad Option Board Keypad Radio Body Figure 3-5: Removing the Keypad Retainer and Other Boards from the Radio NOTE: At this point, the Option Board Installation Procedure should be performed, if necessary. (See page 3-13) 3.6.4 Speaker, Microphone, and Universal Connector Flex Disassembly 1. If disassembly of the speaker-microphone assembly is necessary, remove the dustcover by turning the screw at the bottom of the dustcover counterclockwise with your fingers. Lift the dustcover out of its pocket. NOTE: The dustcover must be removed to remove the speaker-microphone assembly flex circuit. The speaker is held in place with a two-legged retainer bracket. The bracket legs are secured by the front cover slots. Be careful not to damage the speaker when removing the retainer bracket. 2. Using a screwdriver, push down on the portion of the speaker retainer bracket pointing toward the bottom of the radio. Then, remove the retainer by slightly pushing it toward the top of the radio until you slide it past the front cover slot. 3. Pull the rubber microphone boot from its seated position. Unless you are replacing the microphone, leave it in the boot. NOTE: The speaker-microphone assembly flex circuit goes through the front cover wall to the outside wall. To replace this assembly, you must peel-off the universal connector escutcheon label. The existing escutcheon cannot be reassembled; a new part must be used. (See item number 10 on the exploded view drawing on page 3-15). 4. Peel-off the universal connector flex circuit escutcheon (label). 5. Pry the flex circuit (adhesive held) backer board away from the front cover, and remove the universal connector tail of the speaker-microphone assembly through its opening in the front cover.

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
  • 56
  • 57
  • 58
  • 59
  • 60
  • 61
  • 62
  • 63
  • 64
  • 65
  • 66
  • 67
  • 68
  • 69
  • 70
  • 71
  • 72
  • 73
  • 74
  • 75
  • 76
  • 77
  • 78
  • 79
  • 80
  • 81
  • 82
  • 83
  • 84
  • 85
  • 86
  • 87
  • 88
  • 89
  • 90
  • 91
  • 92
  • 93
  • 94
  • 95
  • 96
3-8
Maintenance
Figure 3-5:
Removing the Keypad Retainer and Other Boards from the Radio
3.6.4
Speaker, Microphone, and Universal Connector Flex Disassembly
1.
If disassembly of the speaker-microphone assembly is necessary, remove the dustcover by
turning the screw at the bottom of the dustcover counterclockwise with your fingers. Lift the
dustcover out of its pocket.
2.
Using a screwdriver, push down on the portion of the speaker retainer bracket pointing toward the
bottom of the radio. Then, remove the retainer by slightly pushing it toward the top of the radio
until you slide it past the front cover slot.
3.
Pull the rubber microphone boot from its seated position. Unless you are replacing the
microphone, leave it in the boot.
4.
Peel-off the universal connector flex circuit escutcheon (label).
5.
Pry the flex circuit (adhesive held) backer board away from the front cover, and remove the
universal connector tail of the speaker-microphone assembly through its opening in the front
cover.
NOTE:
At this point, the Option Board Installation Procedure should be performed, if
necessary. (See page 3-13)
NOTE:
The dustcover must be removed to remove the speaker-microphone assembly flex
circuit. The speaker is held in place with a two-legged retainer bracket. The bracket
legs are secured by the front cover slots. Be careful not to damage the speaker when
removing the retainer bracket.
NOTE:
The speaker-microphone assembly flex circuit goes through the front cover wall to
the outside wall. To replace this assembly, you must peel-off the universal connector
escutcheon label. The existing escutcheon cannot be reassembled; a new part must
be used. (See item number 10 on the exploded view drawing on page 3-15).
Retainer
Display
Module
Keypad
Option
Board
Keypad
Radio
Body