SCH07 MAIN7 AMP & EAR
ANALOG AUDIO
DIGITAL AUDIO
H: MUTE
L: WORK
COMPATIBLE
PCB layout should separate two VCC
Reserve
A_MUTE
FL-
FL+
FR+
FR-
A_MUTE
EP_MUTE
EAR_OUT_L
EARPHONE_MT
EAR_OUT_R
EARPHONE_MT
HP_R+
HP_L-
HP_L+
HP_R-
HP_L-
HP_R+
HP_R-
HP_L+
FL+
FL-
FR+
FR-
FR+
FR-
FL-
FL+
AMP_14V
AMP_ADC_3V3
+3.3VD
+3.3VD
+3.3VDD
+3.3VDD
SYS_3V3
A
A
A
A
A
A
A
SYS_EAR_5V
A
A
A
A
A
A
A
A
A
A
AMP_14V
SYS_5V
+3.3VDD
AMP_SCL
8
AMP_SDA
8
AMP_MCLK
6,9
I2S_AMP_DOUT0
6
AMP_RST
8
AMP_BCLK
6,9
AMP_LRCK
6,9
AMP_FAULT
8
AMP_MUTE
8
EARPHONE_MUTE
8
AMP_FAULT
EAR_OUT_R
EAR_OUT_L
L29
10uH/3A
R365
33
C190
100pF
/50V/
N
P0
C189
0.1u
F/16V
/X7R
C214
0.22u
F/50V
/X7R
C24
0
0.01u
F/50V
/X7R
C250
R368
33
C294
0.01uF/50V
/X7R
C299
1000pF/50V/X7R
R28
5
4.7K
/1%
C199
1000pF/50V/X7R
C216 0.1uF/50V/X7R
C215 0.1uF/16V/X7R
R288
10K/1%
C315
NC/0.1uF/50V/X7R
R274
10
C292
0.01uF/50V
/X7R
+
220uF35V
CE15
C200 0.1uF/50V/X7R
FB25
500Ω/800mA
C297
1000pF/50V/X7R
C22
0
0.1u
F/16V
/X7R
C301
NC/1000pF/50V/X7R
C244
47pF/50V/NP0
R279
10K
Q23
PNP_MMBT8550CLT1
R258
100K
C238 0.1uF/16V/X7R
R277
47K
R247
22
U24
SGM4917AYTQ16G/TR
PVDD
1
C1P
2
PGND
3
C1N
4
PVSS
5
SGND
6
IN
R
+
7
IN
R
-
8
SVDD
9
OUTR
10
SVss
11
OUTL
12
SVDD
13
INL-
14
INL+
15
SHDN
16
GND
17
C213
0.22u
F/50V
/X7R
Q24
NPN_3DG3904M
+
47uF/16V
CE16
R252 2.2
JK1
Horn carrier
WP4-1-02Z1 50V
FR-
1
FR+
2
FL-
3
FL+
4
Q20
NPN_3DG3904M
R281
20K
R246
470
R379
NC/22
R259
2.2KΩ
C243
470pF/50V/X7R
C228
47pF/50V/NP0
R26
2
2.2KΩ
C212 0.1uF/50V/X7R
Q18
NPN_3DG3904M
R254
22
C236
820pF/50V/X7R
R256
100
Q22
NPN_3DG3904M
R271
4.7K/1%
C225
0.1u
F/50V
/X7R
R260
2.2KΩ
C196
330pF/50V/X7R
R265
10K
C207
10PF/50V/NPO
R26
1
2.2KΩ
FB21
500Ω/200m
A
C239
1UF/16V/X7R
R289
4.7K/1%
FB44
NC/500Ω/800mA
C201
0.22uF/63V
L32
10uH/3A
+
100uF/16V
CE13
C24
1
0.01u
F/50V
/X7R
R378
NC/22
C221
0.22uF/50V/X7R
C245
2.2UF/10V/X5R
FB24
300Ω/3A
R284
10K
C226
100pF
/50V/
N
P0
R355 0
D10
LL4148
C188
10uF/25V
Q19
PNP_MMBT8550CLT1
Q16
PNP_3CG3906M
R249
220K
C313 NC/0.1uF/50V/X7R
R264
10K
L31
10uH/3A
R244
6.2
C191
1000pF
/50V/X7R
Q21
NPN_3DG3904M
R268
20K
C205 0.1uF/50V/X7R
C224
0.1u
F/50V
/X7R
R276
10K/1%
FB46
500Ω/200m
A
FB22
300Ω/3A
R357
NC/33
Q17
PNP_3CG3906M
C30
9
NC
/1000p
F/50V
/X7R
R240
220K
TM
14
C218
680pF/50V/X7R
C198 0.1uF/50V/X7R
C30
6
10PF
/50V/
N
PO
R257
0
C211
0.22u
F/50V
/X7R
R267
47K
C312 NC/0.1uF/50V/X7R
R250
33
R356 0
R272
10K/1%
R269
47K
R287
10K/1%
C295
0.01uF/50V
/X7R
+
100uF/16V
CE275
C230
270pF/50V/X7R
C30
4
10PF
/50V/
N
PO
R366
33
R28
0
4.7K
/1%
R380
NC/22
+
100uF/16V
CE18
C197
0.1uF/16V/X7R
C235
470pF/50V/X7R
R242
33
C293
0.01uF/50V
/X7R
C298
1000pF/50V/X7R
L30
10uH/3A
R283
10K
C248 47pF/50V/NP0
R243
33
R255
2.2K
C229
2.2UF/10V/X5R
C242
1UF/16V/X7R
R275
4.7K/1%
R270
4.7K/1%
C296
1000pF/50V/X7R
C21
9
0.1u
F/16V
/X7R
R282
47K
C204 0.1uF/50V/X7R
R253
6.2
C233
2.2UF/10V/X5R
R278
2.2K
C208
0.22uF/63V
C192
0.1u
F/50V
/X7R
C232
1UF/16V/X7R
TP50
R273
20K
C314
NC/0.1uF/50V/X7R
C202
0.01uF/50V
/X7R
R241
220K
C237
820pF/50V/X7R
C227
470pF/50V/X7R
FB23
500Ω/200m
A
R251
6.2
C203 0.1uF/50V/X7R
C193
0.1u
F/50V
/X7R
C206
330pF/50V/X7R
R248
6.2
C247
2.2UF/10V/X5R
R263
4.7K
C249
470pF/50V/X7R
R239
220K
D9
LL4148
C210
0.22u
F/50V
/X7R
C303
1000pF/50V/X7R
C231
0.1uF/16V/X7R
TM
16
C21
7
4700pF
/50V/X7R
R266
4.7K
C251
820pF/50V/X7R820pF/50V/X7R
C222
100pF
/50V/
N
P0
C234
47pF/50V/NP0
R245
220K
R286
4.7K/1%
TM
15
R290
4.7K/1%
TM
17
U19
STA339BWs
GND_SUB
1
SA
2
TEST_MODE
3
VSS
4
VCC_REG
5
OUT2B
6
GND2
7
VCC2
8
OUT2A
9
OUT1B
10
VCC1
11
GND1
12
OUT1A
13
GND_REG
14
VDD
15
CONFIG
16
OUT3B / FFX3B
17
OUT3A / FFX3A
18
EAPD / OUT4B
19
TWARN / OUT4A
20
VDD_DIG
21
GND_DIG
22
PWRDN
23
VDD_PLL
24
FILTER_PLL
25
GND_PLL
26
XTI
27
BICKI
28
LRCKI
29
SDI
30
RESET
31
INT_LINE
32
SDA
33
SCL
34
GND_DIG
35
VDD_DIG
36
GND
37
C209
0.01uF/50V
/X7R
C246
270pF/50V/X7R
C223
1000pF
/50V/X7R
+
220uF50V
CE14
R377
NC/22
C194
0.1u
F/16V
/X7R
C195 0.1uF/50V/X7R
C30
5
10PF
/50V/
N
PO
R367
33
Before Servicing
This Unit
Electrical
Mechanical
Repair Information
Updating
15