4. TROUBLE SHOOTING
- 61 -
4.9 Speaker Trouble
TEST POINT
CIRCUIT DIAGRAM
Figure 18
Soldering C heck
U203
U203.17
U203.18
120K
R214
1000p
C222
15
SPVDD
16
SPVSS
VDD
7
VREF
9
8
VSS
_CS
29
_IRQ
3
31
_RD
4
_RST
28
_WR
23
D4
22
D5
21
D6
20
D7
EQ1
12
EQ2
13
14
EQ3
HPOUT_L
10
HPOUT_R
11
IOVDD
32
2
LED
MTR
19
NC
5
6
PLLC
SPOUT1
17
18
SPOUT2
YMU762C-QZ
U203
30
A0
1
CLK1
D0
27
D1
26
D2
25
D3
24
C224
0.1u
C228
1u
R218
3.3K
33K
R212
2V85_VCAM
VBAT
C229
1u
0.1u
C227
2V85_VCAM
20K
R211
0.1u
C213
R210
NA
C218
270p
C214
0.01u
SPK
SPK_N
13MHz
26M_MIDI
DATA12
DATA13
DATA14
DATA15
_MIDI_CS
_MIDI_IRQ
_RD
_MIDI_RESET
_WR
SPK_P
ADD00
DATA08
DATA09
DATA10
DATA11
Summary of Contents for KG225
Page 1: ...Date April 2006 Issue 1 0 Service Manual Model KG225 Service Manual KG225 M O B ILE CAM E R A ...
Page 3: ... 4 ...
Page 19: ...3 TECHNICAL BRIEF 20 Figure 3 4 SYSTEM INTERCONECTION OF AD6720 EXTERNAL INTERFACE ...
Page 66: ...4 TROUBLE SHOOTING 67 4 12 KEY backlight Trouble Q300 R359 TEST POINT Figure 21 ...
Page 79: ... 80 5 DOWNLOAD B Multi Download Procedure 1 Run GSM Multi Download program and select Setting ...
Page 84: ... 85 6 BLOCK DIAGRAM 6 BLOCK DIAGRAM ...
Page 85: ... 86 ...
Page 92: ... 93 KG225 8 PCB LAYOUT ...
Page 93: ... 94 KG225 8 PCB LAYOUT ...
Page 101: ... 102 10 STAND ALONE TEST Figure 10 2 HW test setting Figure 10 3 Ramping profile ...
Page 109: ... 110 ...
Page 125: ...Note ...
Page 126: ...Note ...