16
July 27, 2001
6881038B70
Disassembly Product Family C21
Disassembly
The procedures in this section provide instructions for the disassembly of a PF B95
or C21 telephone. Tools and equipment used are listed in Table 1, preceding.
Removing and Replacing the Battery Cover and Battery
1.
Ensure the phone is turned off.
2.
Depress the battery cover release, slide the battery cover in the direction of the
arrow, and lift completely off the phone (see Figure 4).
G
Many of the integrated devices used in this equipment are vulnerable to damage
from electrostatic discharge (ESD). Ensure adequate static protection is in place
when handling, shipping, and servicing the internal components of this equipment.
G
Avoid stressing the plastic in any way to avoid damage to either the plastic or
internal components.
E
All batteries can cause property damage and/or bodily injury such as burns if a
conductive material such as jewelry, keys, or beaded chains touch exposed terminals.
The conductive material may complete an electrical circuit (short circuit) and
become quite hot. Exercise care in handling any charged battery, particularly when
placing it inside a pocket, purse, or other container with metal objects.
010505o
Figure 4. Removing the battery cover
BATTERY
COVER
RELEASE
BATTERY COVER
REAR HOUSING
Summary of Contents for T193
Page 2: ......
Page 18: ...14 July 27 2001 6881038B70 General Operation Product Family C21 ...
Page 42: ...38 July 27 2001 6881038B70 Part Number Charts Product Family C21 ...
Page 45: ......
Page 47: ...T193 RF BACK END SCHEMATIC ...
Page 48: ...T193 RX FRONT END SCHEMATIC ...
Page 49: ...T193 AL SCHEMATICS ...
Page 50: ...T193 BOARD LAYOUT PAGE 1 2 ...
Page 51: ...T193 BOARD LAYOUT PAGE 2 2 ...
Page 52: ...T193 ANTENNA SWITCH SCHEMATIC ...
Page 53: ...T193 SWITCHING CONTROL SCHEMATIC ...
Page 54: ...T193 TRANSCEIVER SCHEMATIC ...
Page 55: ...T193 TRANSMIT AMPLIFIER SCHEMATIC ...