Kogan LET40T3 - Page 43

L37 22uH
0: Normal 1£ºMute
PWD_MT
HP_MUTE_AMP
PH_LAMP_LIN
AU_AMP-LOUT
PH_R
MUTE_OUT
AU_AMP-ROUT
OP_VCC1
AMP_RIN
C134 NC
MUTE_AMP-GPIO13
MUTE_OUT
OP_VCC1
C135 NC
L34 22uH
AMP-Lout+ AMP-Lout-
C136 NC
AMP-Rout+
MUTE_HP
OUT3A
TW
OUT3B
OUT3A
PH_R
AMP-Rout+
PH_L
OUT3B
Woofer+ Woofer-
MUTE_OUT
MUTE_DECT
EAPD
L33 22uH
AMP-Rout-
EAPD
AMP-Lout+
I2S_SD0 I2S_LRCLK
AUDIO OP
TW
Woofer+
HP_MUTE_AMP RST_AMP
I2S_SCLK I2S_MCLK
AMP-Lout-
Woofer-
MUTE Circuit
L36 22uH
MUTE_DECT
AMP-Rout-
Title Size Document Number Rev
Date: Sheet
of
AUDIO
1.0
MSD209DG_BGA21x21_IC Demo board
A3
12 15Wednesday, November 18, 2009
C359 100nF
R496 12
C367 2.2uF
R378 39K
R458 22K
R476 NC
C78 0.1uF
R483 10K
R324 4.7K
C315 100nF/25V
R473 0
R107 3.3R
R492 12
R453 10K
L74 FB/2A
R534 12
C240 330pF/25V
C356 100nF
C331 1n
1 2
DD56 ESD
R493 12
1
3
2
E B
C
SOT
23
Q37 3904
R484 NC/0
R497 22
1
3
2
E B
C
SOT
23
Q51 3906
C106 10uF
C161 100nF
R332 22
C116 100pF
R455 33K
1 2
DD55 ESD
GND_SUB
1
OUT2B
2
OUT2B
3
VCC2B
4
GND2B
5
GND2A
6
VCC2A
7
OUT2A
8
OUT2A
9
OUT1B
10
OUT1B
11
VCC1B
12
GND1B
13
GND1A
14
VCC1A
15
OUT1A
16
OUT1A
17
NC
18
GND_Clean
19
GND_Reg
20
VDD
21
VDD
22
VL
23
CONFIG
24
PDN
25
TRI_STATE
26
FAULT
27
TH_WAR
28
IN1A
29
IN1B
30
IN2A
31
IN2B
32
VSS
33
VSS
34
VCC
35
VCC
36
PAD
37
U55
STA533WF
L76 FB/2A
1 2 3 4
CN27 Speaker
R474 100
C262 100nF/25V
C255 100nF
R550 12
R477 10K
C289 100nF/25V
R364 22
C326 100nF/25V
R338 22
C131 0.1uF
C95 0.1uF
C107 10uF
C123 470nF
R471 47K
R485 33K
R475 33K
C146 4.7nF
+
CA8 100uF/16V
C160 0.1uF
R396 47K
C121 470nF
R121 10
R498 12
C140 1uF
C281 330pF/25V
R334 22
1 2
DD59 ESD
C110 0.1uF
C283 100nF/25V
3
1
2
D18 BAV99
C109 10uF
CA16 100uF/16V
R1497 0
+
CA11 100uF/16V
CA84 470uF/35V C100 0.1uF
C366 2.2uF
C258 100nF/25V
R329 100
R306 10K
5 6
7
84
- +
U1303B RC4558
C159 1uF
R456 2.2M
C291 100nF/25V
R325 4.7K
R346 22
Q15 3906
C244 100nF/25V
C129 470nF
R381 NC/0
R359 12
R549 10K
1
2 3
Q40 3904
R457 100
CA17 100uF/16V
R494 12
3 2
1
84
- +
U1303A RC4558
R459 33K
C79 0.1uF
L31 600(4.5X3.2)
C117 680pF
R472 1K
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/DDX3B
17
OUT3A/DDX3A
18
EAPD/OUT4B
19
TWARN/OUT4A
20
VDD_DIG
21
GND_DIG
22
PDN
23
VDD_PLL
24
PLL_FILTER
25
PLL_GND
26
XTI
27
BICKI
28
LRCKI
29
SDI
30
RST
31
INT_LINE
32
SDA
33
SCL
34
GND_DIG
35
VDD_DIG
36
PAD
37
U54
STA559BW
C108 0.1uF
R362 12 R554 12
C369 0.1uF
C355 100nF
Q16 3906
1
1
2
2
3
3
4
4
5
5
6
6
7
7
CN2 Headphone
L38 22uH
R451 100
R469 100
C313 2.2uF
R349 22
R495 12
R482 10K
CA85 470uF/35V
R452 47K
C284 100nF/25V
C424 100p
R360 22
C118 1uF
R335 22
C288 330pF/25V
C354 NC/2.2uF
R251 10K
R253 2.2K
C151 1uF
1
3
2
E B
C
SOT
23
Q43 3904
C365 1n
L32 600(4.5X3.2)
C290 100nF/25V
R454 47K
1 2
CN29 Woofer
C286 100nF/25V
R1498 4.7K
C254 2.2uF
R470 1M
CA83 470uF/16V
R558 12
C425 100p
C282 100nF/25V
C364 0.1uF
C357 100nF
5VMst
+12V
+12V
5Vstb
6VBuf1
+12V
6VBuf1
+12V
+12V
+3.3AVDD
3.3V_AU
+3.3AVDD
+3.3AVDD
3.3V_AU
+3.3AVDD
M_SCL1,2,9,14
MUTE_AMP-GPIO132
AU_AMP-ROUT2
AU_AMP-LOUT2
PH_MUTE2
I2S_MCLK2
M_SDA1,2,9,14
I2S_SD02 I2S_LRCLK2 I2S_SCLK2
MUTE_DET2
RST_AMP2
Earphone
L35 22uH
C133 NC
R363 NC/0R
Service Manual
Model No.: LET40T3
42