-63-
START
No
Resolder the
R214
A few hundreds
of mV of signals are
measured ?
Yes
The soldering of R214
is OK?
Yes
The voltage of R217
is 2.5V?
The MIC is out of order.
Change the MIC.
No
ABB is out of order.
Change the board.
Resolder the
C220,C224,R219
and R222
The soldering
of C220,C224,R219,
and R222
is OK?
Yes
No
Soldering between
MIC and Board
is OK?
Resolder the MIC
No
Yes
No
Connect the handset to
network equipment and
setup call.
Check the signal level at pin
1,2 of the MIC after putting
audio signal into the MIC.
Yes
Содержание L1100
Страница 1: ...Service Manual Model L1100 Service Manual L1100 P N MMBD0032801 Date June 2004 Issue 1 0 ...
Страница 31: ... 30 Figure 14 Power Supply Scheme ...
Страница 46: ... 45 Figure 25 CLC344E Camera Chip Circuit ...
Страница 49: ... 48 Figure 28 Camera Module Circuit MAIN BOARD FPCB ...
Страница 62: ...4 9 Microphone Trouble 61 Circuit Diagram ...
Страница 82: ... 81 U602 FPCB CN2 1 3 U601 5 4 Test Points 1 20 2 19 ...
Страница 88: ...Checking ANT SW Mobile SW 2 Rx pass continued 87 SW801 ANT Pin 2 VC2 SW801 RF Pin 7 VC1 Pin5 VC3 U801 FL801 ...
Страница 97: ...Checking ANT SW Mobile SW 2 Tx pass continued 96 Pin 2 VC2 SW801 RF Pin 7 VC1 Pin5 VC3 U801 FL801 SW801 ANT ...
Страница 98: ...5 1 Disassembly 5 ASSEMBLY INSTRUCTION 97 2 1 1 2 ...
Страница 99: ...98 1 2 3 2 1 ...
Страница 100: ... 99 1 2 3 ...
Страница 101: ... 100 ...
Страница 103: ...6 2 Download Procedure 1 Execute Fluid_GUI exe and select Erase Program flash menu 104 ...
Страница 104: ...2 Click the Add button Then choose m0 file which is going to download 105 ...
Страница 106: ...4 Press Global Settings menu Choose a correct serial port and set the configuration as below 107 ...
Страница 108: ...6 Wait for downloading to be finished 109 ...
Страница 125: ... 127 9 PCB LAYOUT ...
Страница 126: ... 128 9 PCB LAYOUT ...
Страница 129: ... 131 12 EXPLODED VIEW REPLACEMENT PART LIST 12 1 EXPLODED VIEW ...