耳机电路图

R48 5 10K 6
IC2B + PT2308 4 7
EC2 + 100uF/6.3V R50 10K R51 100 R49 10K
BD7 R_out 1K@100M CTRL_B VIN 2 1 3
SW2 MSS-2245
1 1 1 1
H1 PAD200D148 H2 PAD200D148 H3 PAD200D148 H4 PAD200D148 H5 PAD40R H6 PAD40R H7 PAD40R
C
L_in R_in
R15 R16 5 4 0 5 4 3 2 1 1 VR1
USBMUTEP
13 14 15 16 17 18 19 20 21 22 23 24
USB+5V
C
ED3 MIC_in R19 75K R22 75K AUL_IN 2 AUR_IN VIN 3 D2 CEAS035V0-G 3 VIN COM 1 D1
C24 10u 8
TRIG 1
J4 1 2 3 PHONEJACK STEREO
R25 VIN/2 10K R38 27K R39 27K AUL_IN AUR_IN VIN AUL_IN 3 2
IC2A + -
5
R40 100K/NP
R35 R41 VIN/2 100K 47K C26 220P
VIN/2 C30 0.1u C29 10u R44 100K
J3
3 2 1k
R23 100K/NP
PHONEJACK STEREO
LOR LOL Voice2 LOR LOL Voice2
B
R26 R28 R31 R33 R36 R37 1 2 1u X 100 5 4 3 2 1 3 4 1k VR2 R34 100K/NP C25 C27 1u 1u X 1u 100 VIN/2 VIN/2 C23 0.1u
B
R3 0/NP X USBVOLUP VREG C1 0.47u
UD+5V BD1 1K@100M C32 10u
USB+5V BD2 1K@100M C2 0.47u
UA+5V
VIN ED5 ED6 ED7 ED8 ED9 ED10 ED11 ED12 ED13
C33 10u
BD8
DM DP 1K@100M R_in L_in C4 1u
8
7
6
5
Biblioteka Baidu
4
3
2
1
UD+5V R1 10K USBVOLDN UD+5V R5 10K
D
UD+5V UD+5V R2 10K USBVOLUP MSEL UD+5V R6 10K USBMUTER R7 10K/NP SPDIFO 1 2 3 4 5 6 7 8 9 10 11 12 SPDIFO DW DR SK CS MUTEP PWRSEL XI XO MODE GPIO2 LEDO GPIO3 DVSS GPIO4 GPIO5 GPIO6 MUTEP BUZZ GPIO7 LEDR GPIO8 TEST AVSS R4 0/NP DEFAULT USBVOLDN D+ DMSEL VREG C3 48 47 46 45 44 43 42 41 40 39 38 37 IC1 10u/16V BC1 0.1u MIC_out UD+5V C7 DVSS DVDD AVDD AVSS LOR LOBS LOL AVDD VSEL MICIN VREF VBIAS 36 35 34 33 32 31 30 29 28 27 26 25 10u/16V BC2 0.1u UA+5V LOR LOL UA+5V C11 VREF VBIAS C15 10u/16V CM119 C18 1u 1K@100M R11 1.5K R13 2.2K C19 C8 10u/16V BD5 MIC_out C14 100P VBIAS VIN CTRL_B 0.1u 4.7u/16V 4.7u/16V 3 2 C17 1 AO3419 Q1 2 L_out 3 R_out 1 ED2 D1 COM D2 CEAS035V0-G 0 VIN/2 R17 100K/NP C20 SUB_L SUB_R C22 1u 1u R14 10K/NP MIC_in 1 2 3 R18 1K/NC VIN Q2 MMBT3904 2 MIC_out Voice2 EC1 1 PT2308 4 + 100u/6.3V R29 10K R30 100 R27 10K BD6 L_out 1K@100M ED4 Voice2 1 2 MIC_out 3 D1 COM D2 CEAS035V0-G
VOLDN MCLK SDAT MINT SCLK GPIO1 USBDM USBDP PDSW VOLUP MSEL REGV
USBMUTEP
D
C5 100P/NP DD+ R8
C6 100P/NP BD3 0 BD4 0 R10 1.5K C12 0.47u C10 100P/NP R_in DM DP DM
24 R9 24 C9 100P/NP VREG
ED1 4 5 6 D1 COM D2 D5 D4 D3 3 2 1 L_in DP
BC4 0.1u
USBMUTER VREG
C13 XTI 27P XT1 C16 27P 12MHZ R12 1M XTO
CECS065V0-G
J2 L_out R_out 1 2 3 PHONEJACK STEREO VIN
Q6 MMBT3906
R56 1K
R58 TRIG 100 MIC_out MIC_in
VIN
TRIG 1 2
3
USB+5V
Q4 MMBT3904
VIN CTRL_A 5 4 6
R46 1K
1 1 1
R55 1M Q7
R57 VIN/2 0 C36 SW1 10u MS-22D17 MMBT3906 2 1 3 R47 5 4 6 AUR_IN
A
8
A
R53 0/NP MIC_in MIC_out 220P Size Document Number Custom9605.SCH Date:
8 7 6 5 4 3
R54 1K
47K C31 Rev Sheet 1
1
Tuesday, July 28, 2009
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