MP3、MP4维修资料：CS3208电路图.pdf

agnd agnd 1.8v vccbat v33 usb5v 3.3v sm_r/b sm_cle sm_ale sm_cen0 sm_wen sm_ren sm_d0 sm_d1 sm_d2 sm_d3 sm_d4 sm_d5 sm_d6 sm_d7 3.3v 3.3v lcd_a0 lcd_dat lcd_clk 1.8v u_xsc1 1.8v u_xsc1 3.3v 3.3v mic_in 1.8v usb5v nc 1 nc 2 nc 3 nc 4 nc 5 se 6 r/b 7 re 8 ce 9 nc 10 nc 11 vcc 12 vss 13 nc 14 nc 15 cle 16 ale 17 we 18 wp 19 nc 20 nc 21 nc 22 nc 23 nc 24 nc 25 nc 26 nc 27 nc 28 i/o_0 29 i/o_1 30 i/o_2 31 i/o_3 32 nc 33 nc 34 nc 35 vss 36 vcc 37 nc 38 nc 39 nc 40 i/o_4 41 i/o_5 42 i/o_6 43 i/o_7 44 nc 45 nc 46 nc 47 nc 48 ic2 km29u128t sm_d0 sm_d1 sm_d2 sm_d3 sm_wpn sm_wen sm_d4 sm_d5 sm_d6 sm_d7 sm_ale sm_cle sm_r/b sm_ren sm_cen0 3.3v led_r3.3v 3.3v key5 key4 key3 key2 3.3v 3.3v vcca 1 vccin 2 gnda 3 v18 4 v33 5 vcc5a 6 gnda 7 vcc33 8 vcc18k 9 x_rbn 10 x_cle 11 x_ale 12 x_ceon 13 x_cein 14 vcc3io 15 x_wen 16 x_ren 17 x-io 0 18 x-io 1 19 x-io 2 20 x-io 3 21 x-io 4 22 x-io 5 23 gndk 24 x-io 6 25 x-io 7 26 vcc3.0 27 x_port0 0 28 x_port0 1 29 x_port0 2 30 x_port0 3 31 x_port0 4 32 x_port0 5 33 x_port0 6 34 x_port1 7 35 x_port1 10 36 x_port1 11 37 x_port1 12 38 x_port1 13 39 x_port1 14 40 vcc18k 41 x_port2 0 42 x_port2 1 43 gndk gndio 44 x_port2 2 45 x_port2 3 46 vcc3io 47 x_ 4 48 x_ 5 49 x_ 6 50 x_port2 7 51 x_ice_rstn 52 x_rstn 53 x_test 54 x_port30 55 gndk gndio 56 vcc18k 57 vcc18k 58 x_clki 59 xtal 60 gndk gndio 61 vcc18k 62 xsci 63 vcchsrt 64 gndhsrt 65 rref 66 dm 67 dp 68 vcca_u20 69 gnda_u20 70 vcca_hp 71 lhpout 72 rhpout 73 gnda_hp 74 gnda_1 75 vrefn 76 vcm 77 vrefp 78 vcca_1 79 xain5 80 xain1 81 xain0 82 xvrb 83 xvrt 84 gnda 85 gnd3k 86 vcc3k 87 vcc18k 88 vccin 89 fb1 90 fin1 91 fb2 92 fin2 93 gnda 94 vo33_pwm 95 lin1 96 gndd33 97 vo18_pwm 98 lin2 99 gndd18 100 ic1 cs3208-100p v33 c16 103p c17 103 r7 3.3k r8 2.2k c18 103 r4 1m c9 10u c19 47u c11 47u c12 47u c8 10u r9 27k r10 22k q2 9015 d6 in5819 mic1 m1 c6 104p r18 10k r20 10k r19 10k r15 10k s3 s4 + s5 - s6 m r24 10r led1 r22 10k r23 10k y1 12m r2 12k c14 22p c15 22p r3 1m r5 1k r17 10k r13 120k c13 105p r16 10k agnd c2 105p c3 104p q1 9014 mic_in vin 1 vss 2 ce 3 nc 4 out 5 ic3 xc6219b332mr r21 10k pgnd power_on d2 1n4148 d3 1n4148 3.3v 1.8v key_on 2 1 3 sw1 pow c7 105p vccbat key1 key2 key3 key4 key5 3.3v pgnd d1 1n4148 r6 2.2r vbat pgnd d4 in5819 3.3vv33 dp dm s1 play key_on 3.3v r1 0r(?) cen1 pgnd pgnd lcd_rst lcd_rst lcd_a0 lcd_dat lcd_clk d5 in5819 c10 10u agnd agnd c4 104p ? ? pc? ? ? ? r11 100k r12 100k r14 100k led_r power_on vss 2 d+ 3 d- 4 vdd 5 1 1 j1 usb 2 2 3 3 1 1 ck1 phone 3.3v key_on + bat1 3.7v vbat pgnd agnd fm_lin fm_rin agnd key1 s2 cen1 l1 2.2r r25 100k r26 47k c20 222p? pgnd ? ? isr 1 vr/nc 2 v5 3 v4 4 v3 5 v2 6 v1 7 c4- 8 c2+ 9 c2- 10 c1+ 11 c1- 12 c3+ 13 out 14 vss 15 vdd 16 si 17 scl 18 a0 19 /res