
4. Trouble Shooting
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As close as possible to the connector
C420
27p
R447
10K
VA409
R446
NA
10K
R404
FB408
18p
C418
VA404
VBAT
FB411
VA406
FB410
100p
C413
C419
0.1u
R443
0
0
R442
L401
100nH
22K
R405
C401
100p
VA408
C416
39p
FB404
1.5K
R407
VA405
6
7
8
9
10
11
12
13
14
15
16
17
18
19
2
20
21
22
3
4
5
CN401
1
27p
VA403
C402
FB403
10u
C412
VA401
EVL5M02200
39p
C417
220K
1M
R408
GND
2
1
OUT
5
VCC
VIN+
3
4
VIN-
R401
LMV7291MGX-NOPB
U401
C415
39p
R411
33
2V72_IO
33
R412
C411
27p
27p
C410
VA407
VBUS_USB
2V85_IO2
2V65_ANA
FB405
100nH
L402
FB401
FB402
2V72_IO
FB409
47
R417
0.1u
C404
C403
0.1u
VCHG
0
R402
10K
R406
2V65_ANA
VA402
EVL5M02200
2.2K
R409
R414
1K
R416
C414
4.7u
47
RX_DEBUG
JACK_TYPE
DSR
HOOK_DETECT
TX_DEBUG
MIC2_P
MIC2_N
RPWRON
JACK_DETECT
MULTI_PORT_1
MULTI_PORT_0
MULTI_PORT_3
MULTI_PORT_2
FM_ANT
FB402
FB401
➀
100K
R218
C241
1u
BAT
10
CRDL
1
8
GND
ICDL
9
6
IMIN
PGND
11
2
USB
USBON
7
4
_CHG
_EN
5
_PPR
3
ISL6299
U207
R222
10K
R216
VCHG
VBUS_USB
10K
39K
R217
R214
100K
1u
C242
100K
R221
C243
1u
VBAT
2V72_IO
_CHG_EN
CHG_EOC
U207
➁
Summary of Contents for Chocolate KE800
Page 1: ...Service Manual Model KE800 Service Manual KE800 Date January 2007 Issue 1 0 ...
Page 3: ... 4 ...
Page 5: ... 6 ...
Page 82: ...6 SW Download 83 KE800 KE800P40 7 V10g 9 Download complete ...
Page 83: ... 84 ...
Page 96: ... 97 8 PCB LAYOUT ...
Page 97: ... 98 8 PCB LAYOUT ...
Page 98: ... 99 8 PCB LAYOUT ...
Page 99: ... 100 8 PCB LAYOUT ...
Page 100: ... 101 8 PCB LAYOUT ...
Page 101: ... 102 8 PCB LAYOUT ...
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Page 141: ...Note ...
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