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4. TROUBLE SHOOTING
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4.10 Speaker Trouble
Checking Flow
CIRCUIT
Soldering Check
C246
(SPOUT2)
C245
(SPOUT1)
U207
(EUSY0291001)
64 POLY MIDI IC(MP3 Ringtone)
22n
C243
NA
R241
C222
0.1u
0.1u
C228
C224
4.7u
C242
390p
4.7u
C221
R230
6.8K
82K
R239
0.1u
C223
VBAT
A8
SPOUT1_B7
SPOUT2
A7
C8
SPVDD
B8
SPVSS
TESTI0
D6
TESTI1
F6
TESTI2
G6
TESTI3
C7
C2
TXOUT
B2
VREF
_CS__SS
H4
E7
_IRQ
_RD_SI
G4
_RST
D3
J5
_WR_SCK
IOVDD1
E8
H3
IOVDD2
LED0
H8
H7
LED1
J7
LED2
F7
LRCK
MCLK
E6
G7
MTR
MTR_G7
J8
D2
PLLC
RXIN
C3
RXIN_C3
A1
SDIN
F8
H5
SMODE
SO
J6
SPOUT1
B7
DVSS1
D1
DVSS2
D8
DVSS3
J4
B4
EQ1
EQ2
A3
A4
EQ3
A2
EXC
C4
EXTIN
C6
EXTOUT
GPIO
H6
HPC
B3
B6
HPOUTL
A6
HPOUTR
HPVSS
A5
G5
IFSEL
D4
INDEX
BBL
B5
BBR
C5
BCLK
G8
CLKI
E2
G3
D0
D1
J2
D2
H2
D3
G2
H1
D4
J1
D4_H1
F3
D5
G1
D6
D7
F2
D7
DVDD1
E1
DVDD2
J3
DVDD3
U207
YMU792
F1
A0
E3
A1
AVDD
C1
AVSS
B1
0.1u
C226
C227
0.1u
47p
C247
0.033u
C244
1V8_MIDI_CORE
47p
C246
C250
100p
C251
0.1u
C235
2200p
FB201
2V85_VCAM
20K
R242
47p
C245
C225
0
R229
4.7u
0.01u
C241
24K
R234
SPKP_P
SPKP_P
SPK_P
ADD01
SPK_N
_MIDI_RST
26MHz
_MIDI_CS
ADD00
_WR
_RD
DATA05
DATA06
DATA07
DATA00
DATA01
DATA02
DATA03
DATA04
_MIDI_IRQ
Figure 4-17(a). Speaker Trouble
Figure 4-17(b). Speaker Trouble
Summary of Contents for KG240
Page 1: ...Date April 2006 Issue 1 0 Service Manual Model KG245 Service Manual KG245 ...
Page 3: ... 4 ...
Page 92: ...5 DOWNLOAD AND CALIBRATION 93 5 2 3 Configuration Setting C GSMULTI Model MG210 dll ...
Page 93: ...5 DOWNLOAD AND CALIBRATION 94 5 2 4 Press Start Button KG245 ...
Page 94: ...5 DOWNLOAD AND CALIBRATION 95 5 2 5 After Start Button Which Stand by condition KG245 ...
Page 95: ...5 DOWNLOAD AND CALIBRATION 96 5 2 6 SW downloading Condition KG245 ...
Page 96: ...5 DOWNLOAD AND CALIBRATION 97 5 2 7 SW downloading END Condition KG245 ...
Page 99: ...5 DOWNLOAD AND CALIBRATION 100 4 Click on CALIBRATION START button KG245 KG245 ...
Page 100: ...5 DOWNLOAD AND CALIBRATION 101 6 BLOCK DIAGRAM ...
Page 101: ... 102 ...
Page 110: ... 111 8 PCB LAYOUT ...
Page 111: ... 112 8 PCB LAYOUT ...
Page 112: ... 113 KG245 8 PCB LAYOUT ...
Page 113: ... 114 KG245 8 PCB LAYOUT ...
Page 121: ...10 STAND ALONE TEST 122 Figure 10 2 HW test setting Figure 10 3 Ramping profile ...
Page 125: ... 126 ...
Page 127: ... 128 ...
Page 145: ...Note ...
Page 146: ...Note ...