LGE Internal Use Only
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
4. TROUBLE SHOOTING
- 53 -
(3) Checking PAM Control Signal
Similar?
Yes
No
Check TP15,16
Any Major Difference or not
¨
Similar?
Yes
No
Go to Next Step
Similar?
Yes
No
Re-download
S/W
Check if there is
Any Major Difference or not
¨
Refer to Graph 4.3.3
U401
TP15
TP16
68p
C403
68
R410
100ohm
R406
C404
27p
27p
100ohm
R407
C405
39p
C402
100ohm
R411
PA_BAND
TX_RAMP
PA_EN
ANT_SW1
TEST POINT
CHECKING FLOW
WAVEFORM
CIRCUIT
Graph 4.3.3
Figure 4.3.3
TP16
TP15
Содержание KP210
Страница 1: ...Date February 2008 Issue 1 0 Service Manual Model KP210 KP215 Service Manual KP210 KP215 ...
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Страница 138: ...Note ...
Страница 139: ...Note ...