Level 3 Repair
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8-11
8-3-5. Speaker Part
Check the signals on
L4009,L4010(Left SPK)
L4004,L4005(Right SPK)
Check speaker function.
Play MP3 with maximum volume level.
No
Replace U4003
END
Yes
Yes
Replace the speaker
module
Yes
Check the connection of
HDC4000(R),HDC4001(L)
Yes
No
Reconnect HDC4000(R),HDC4001(L)
R4015
ZD
40
08
ZD
40
07
13 14
N
C
N
C
15
N
C
16
2
3 3
4 4
5 5
6 6
7
7
8
8
9
9
N
C
HDC4001
1 1
10 10
11 11
12
12
2
C4016
V_1P80_VCCAON
C4015
R
40
14
R4012
L4010
L4009
ZD
40
06
ZD
40
03
C4019
C4018
L4007
L4008
C4013
ZD
40
04
ZD
40
05
R4009 R4010
L4006
C4017
C4014
ZD
40
09
R4011
EAR_ADC_3.5
EAR_L_DET
EAR_G_DET
SPK_OUTL_N
SPK_OUTL_P
EAROUT_R
EAROUT_L
EAR_MIC-
EAROUT_FB
C
4
0
0
9
HDC4001
L4009
L4010
Q
4
0
0
0
R 400 9 R 401 0
R 401 1
R 401 2
R
4
0
1
6
U
4
0
0
2
Z
D
4
0
0
3
Z
D
4
0
0
4
Z
D
4
0
0
5
Z
D
4
0
0
6
