5. Trouble shooting
- 86 -
5.6 Speaker trouble
Check Points
-Speaker spring contact
-Audio amp soldering
-analog switch soldering
Checking Point
47p
C316
TP304
220n
C313
R309
100K
VBAT
0.1u
C369
C361
220n
0.01u
C320
2V85_IO2
C310
22p
22p
C311
1u
C357
FB310
FB309
C323
0.068u
4.7u
C304
C306
0.1u
47p
C317
3
VDD2
16
VOC
2
13
LHP3D1
18
1
LHP3D2
9
LIN
LOUT
6
MONO+
15
MONO-
17
23
22
MONO_IN-
25
PGND
19
RHP3D1
24
RHP3D2
8
RIN
5
ROUT
11
SCL
10
SDA
VDD1
U301
LM4946SQX
21
CBYPASS
4
GND1
GND2
12
GND3
20
I2CSPI_SEL
14
7
I2CSPI_VDD
ID_ENB
0.068u
C324
PG05DBTFC
D310
C312
220n
TP303
C362
220n
OUT302
2.2u
C358
D309
PG05DBTFC
OUT301
SNDOUT_R
SNDOUT_L
AMP_IN_L
AMP_IN_R
AMP_OUT_L
AMP_OUT_R
SCL
SDA
0
R327
10
1A
9
1
1B0
2
1B1
8
1S
6
2A
2B0
3
2B1
4
7
2S
GND
5
VCC
FSA2267L10X
U302
100K
R331
2V85_IO2
0
R330
0.01u
C329
AMP_IN_L
AMP_IN_R
SNDOUT_L
SNDOUT_R
FM_L
FM_MAIN
FM_R
Check the contact spring
tension and dust on the
contact point
Check Audio
amp, In output
signal
U301
Check the
analog switchs
U302
FB309
FB310
C312
C313
R327 R330
Summary of Contents for KE600
Page 1: ...Date October 2006 Issue 1 0 Service Manual Model KE600 Service Manual KE600 ...
Page 3: ... 4 ...
Page 5: ... 6 ...
Page 53: ...3 TECHNICAL BRIEF 54 3 16 BLUETOOTH Figure 28 BLUETOOTH Functional block diagram ...
Page 69: ...4 PCB layout 70 Figure 45 Main PCB bottom Figure 46 Main PCB bottom placement ...
Page 70: ...4 PCB layout 71 Figure 47 Sub PCB top Figure 48 Sub PCB top placement ...
Page 71: ...4 PCB layout 72 Figure 49 Sub PCB bottom Figure 50 Sub PCB bottom placement ...
Page 89: ...5 Trouble shooting 90 ...
Page 116: ...6 Download S W upgrade 117 6 2 Download program user guide ...
Page 117: ... 118 6 Download S W upgrade ...
Page 118: ... 119 6 Download S W upgrade ...
Page 119: ... 120 6 Download S W upgrade ...
Page 127: ... 128 8 PCB LAYOUT ...
Page 128: ... 129 8 PCB LAYOUT ...
Page 129: ... 130 8 PCB LAYOUT ...
Page 130: ... 131 8 PCB LAYOUT ...
Page 131: ... 132 ...
Page 143: ... 144 ...
Page 145: ... 146 ...
Page 167: ...Note ...
Page 168: ...Note ...