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4.8.2. Speaker Trouble
START
No
Yes
No
Resolder
Cables
Yes
Cables of SPK
are OK?
No
Change
the SPK
Yes
Yes
Does sine wave appear
at C206, C207?
Melody IC is out of order.
Change the U201.
Soldering between
speaker and board
is OK?
Speaker OK
SPK_EN signal is high?
No
Resolder the U203
otherwise Change it.
Yes
V_SRAM
is 2.8?
No
Resolder the U201
otherwise Change it.
Enter into Engineering Mode and
go to menu “Baseband
→
Alert
→
Ring”
Connection
between FPCB and
CN701 is OK?
Yes
No
Reconnect
FPCB to
CN701
Summary of Contents for L1100
Page 1: ...Service Manual Model L1100 Service Manual L1100 P N MMBD0032801 Date June 2004 Issue 1 0 ...
Page 31: ... 30 Figure 14 Power Supply Scheme ...
Page 46: ... 45 Figure 25 CLC344E Camera Chip Circuit ...
Page 49: ... 48 Figure 28 Camera Module Circuit MAIN BOARD FPCB ...
Page 62: ...4 9 Microphone Trouble 61 Circuit Diagram ...
Page 82: ... 81 U602 FPCB CN2 1 3 U601 5 4 Test Points 1 20 2 19 ...
Page 98: ...5 1 Disassembly 5 ASSEMBLY INSTRUCTION 97 2 1 1 2 ...
Page 99: ...98 1 2 3 2 1 ...
Page 100: ... 99 1 2 3 ...
Page 101: ... 100 ...
Page 103: ...6 2 Download Procedure 1 Execute Fluid_GUI exe and select Erase Program flash menu 104 ...
Page 104: ...2 Click the Add button Then choose m0 file which is going to download 105 ...
Page 108: ...6 Wait for downloading to be finished 109 ...
Page 125: ... 127 9 PCB LAYOUT ...
Page 126: ... 128 9 PCB LAYOUT ...
Page 129: ... 131 12 EXPLODED VIEW REPLACEMENT PART LIST 12 1 EXPLODED VIEW ...