LG KG280 Service Manual - Page 54
Charging Trouble
 |
View all LG KG280 manuals
Add to My Manuals
Save this manual to your list of manuals |
Page 54 highlights
4.5 Charging Trouble TEST POINT D200 R213 Q200 4. TROUBLE SHOOTING R212 CN300 CIRCUIT Figure 12 10V Under ECCH0004904 ECCH0005704 10V Over Charging IC VBAT VCHARGE C225 1u GATEDRV ISENSE R212 D200 0.2 CUS02 R213 330 Q200 4G S 5 3 D3 D4 6 D2 D5 2 1 D1 D6 7 8 C223 4.7u TPCF8102-TE85L-F PRE_CHARGE_R VCHARGE C224 0.1u R211 0 VBAT ECCH0000182 R214 Q201 1K 12 3 65 4 R215 1.5K R217 10K UMX1NTN R216 7.5K INDLED_R R218 10K Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes - 55 - LGE Internal Use Only
-
1 -
2
-
3
-
4
-
5
-
6
-
7
-
8
-
9
-
10
-
11
-
12
-
13
-
14
-
15
-
16
-
17
-
18
-
19
-
20
-
21
-
22
-
23
-
24
-
25
-
26
-
27
-
28
-
29
-
30
-
31
-
32
-
33
-
34
-
35
-
36
-
37
-
38
-
39
-
40
-
41
-
42
-
43
-
44
-
45
-
46
-
47
-
48
-
49 -
50 -
51 -
52 -
53 -
54 -
55 -
56 -
57 -
58 -
59 -
60
-
61
-
62
-
63
-
64
-
65
-
66
-
67
-
68
-
69
-
70
-
71
-
72
-
73
-
74
-
75
-
76
-
77
-
78
-
79
-
80
-
81
-
82
-
83
-
84
-
85
-
86
-
87
-
88
-
89
-
90
-
91
-
92
-
93
-
94
-
95
-
96
-
97
-
98
-
99
-
100
-
101
-
102
-
103
-
104
-
105
-
106
-
107
-
108
-
109
-
110
-
111
-
112
-
113
-
114
-
115
-
116
-
117
-
118
-
119
-
120
-
121
-
122
-
123
-
124
-
125
-
126
-
127
-
128
-
129
-
130
-
131
-
132
-
133
-
134
-
135
-
136
-
137
-
138
 |
 |
LGE Internal Use Only
Copyright © 2007 LG Electronics. Inc.
All right reserved.
Only for training and service purposes
4. TROUBLE SHOOTING
- 55 -
4.5 Charging Trouble
D200
Q200
R213
R212
CN300
10V Under
10V Over
Charging IC
R214
1K
D1
1
2
D2
3
D3
6
D4
7
D5
8
D6
4
G
5
S
TPCF8102-TE85L-F
Q200
R216
7.5K
R213
330
R211
0
4.7u
C223
ECCH0005704
ECCH0004904
C225
1u
C224
ECCH0000182
0.1u
VCHARGE
R217
10K
CUS02
D200
VBAT
10K
R218
1.5K
R215
4
VCHARGE
2
5
6
3
1
VBAT
UMX1NTN
Q201
R212
0.2
GATEDRV
ISENSE
PRE_CHARGE_R
INDLED_R
TEST POINT
CIRCUIT
Figure 12