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4. Trouble Shooting
- 63 -
4.18.3 Headset Trouble
As close as possible to the connector
18PIN MUILTIPORT RECEPTACEL
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
Check
JACK_DETECT is "Low"
(VA401)
Check
JACK_TYPE is "Low"(VA409)
When Ear-jack is plugged-in
Check
Mic. Bias(R409)
Check
Stereo output(C425,C426)
Check
DIF_VSYNC is "Low"
When no sound from ear-piece(R427)
Check
HOOK_DETECT is "Low"
When Send/End is pushed
(R402)
Check
Audio signal from Mic. is
OK (C404)
Содержание Chocolate KE800
Страница 1: ...Service Manual Model KE800 Service Manual KE800 Date January 2007 Issue 1 0 ...
Страница 3: ... 4 ...
Страница 5: ... 6 ...
Страница 26: ...4 Trouble Shooting 27 Touch pad driver LDO LCD connector Charge pump IC Figure 4 4 Sub PCB Top ...
Страница 82: ...6 SW Download 83 KE800 KE800P40 7 V10g 9 Download complete ...
Страница 83: ... 84 ...
Страница 96: ... 97 8 PCB LAYOUT ...
Страница 97: ... 98 8 PCB LAYOUT ...
Страница 98: ... 99 8 PCB LAYOUT ...
Страница 99: ... 100 8 PCB LAYOUT ...
Страница 100: ... 101 8 PCB LAYOUT ...
Страница 101: ... 102 8 PCB LAYOUT ...
Страница 102: ... 103 8 PCB LAYOUT ...
Страница 103: ... 104 8 PCB LAYOUT ...
Страница 104: ... 105 8 PCB LAYOUT ...
Страница 105: ... 106 8 PCB LAYOUT ...
Страница 106: ... 107 8 PCB LAYOUT ...
Страница 107: ... 108 8 PCB LAYOUT ...
Страница 109: ... 110 9 CALIBRATION 9 2 Calibration procedure 9 2 1 Turn on the Phone 9 2 2 Execute HK_24 exe 9 2 3 Click SETTING Menu ...
Страница 113: ... 114 ...
Страница 115: ... 116 ...
Страница 141: ...Note ...
Страница 142: ...Note ...