
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Charging Trouble (3)
START
No
I/O Connect or (CN402)
is w ell-soldered?
Yes
Reso ld er the CN402.
(pin 4,5:VCHG ,
pin 12,19:GND)
Volt age at pin 4,6 of Q401
= 5.2 V ?
No
The TA is out of
or der.
Change the TA.
Yes
Q401, D402, R435
are w ell- so ld ered ?
No
Reso ld er the Q401,
D402, R435.
Yes
Volt age acro ss R435
is about 10~ 100mV?
No
Replace t he Q401,
D402
Yes
Battery is O K?
No
The batte ry may
have p roblems.
Change the batte ry.
Charging is
operating properly.
Yes
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Summary of Contents for LG9200
Page 3: ... 4 Z 3 X B O X C O M ...
Page 107: ... 120 8 PCB LAYOUT Z 3 X B O X C O M ...
Page 108: ... 121 8 PCB LAYOUT Z 3 X B O X C O M ...
Page 109: ...8 PCB LAYOUT 122 Z 3 X B O X C O M ...
Page 110: ... 123 8 PCB LAYOUT Z 3 X B O X C O M ...
Page 111: ... 124 Z 3 X B O X C O M ...
Page 116: ...9 Calibration 129 E Calibration Equipment Setup Z 3 X B O X C O M ...
Page 123: ... 136 Z 3 X B O X C O M ...
Page 142: ...Note Z 3 X B O X C O M ...