Philips-MCM-770-Service-Manual(1) 电路图 维修手册.pdf

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1、DVD Micro System MCM770 TABLE OF CONTENTS 3141 785 33040 DB 0829 2008 Location of PC Boards . 1-1 Specification. 1-2 Measurement Setup . 1-3 Service Aids . 1-4 Instruction On CD Playability .1-5 to 1-6 Software Version Check after that,turn-off electrical source.uses ironbound thimble prize up the C

2、D door(see the sign A). E.Loosen screws to remove CD front cabinet. (see the sign E&F: screw 3x5 BMTT plate / screw 3x5 FMTT). J.Loosen nut to remove the display board. (see the sign J). K.Loosen screws to remove the display board. (see the sign K: screws 2.6x8 PA plate). G.Loosen screws to remove t

3、he decoder board. (see the sign G: screw 3x10 PBH plate & screw 3x6 PMTT plate). H.Loosen screws to remove the back panel. (see the sign H: screw 3x6 PMTT plate). I.Loosen screws to take out the decoder board.(see the sign H: screw 3x5 BM plate). B.Loosen screws of the top cover both sides (see the

4、sign B: screw 3x6 TMTT plate) C.Loosen screws of the top cover back side (see the sign C: screw 3x6 PMTT plate) D.Loosen screws to remove the CD tray (see the sign D: screw 3x10 PWA plate) 4-14-1 Block Diagram ? ? ? ? ? ? ? ? ? ? 5-1 VFD Display Board-Circuit Diagram 5-1 SW1 1 SW2 2 SW3 3 SW4 4 DOUT

5、 5 DIN 6 IC 7 CLK 8 STB 9 KEY1 10 KEY2 11 KEY3 12 KEY4 13 Vdd 14 S1/KS1 15 S2/KS2 16 S3/KS3 17 S4/KS4 18 S5/KS5 19 S6/KS6 20 S7/KS7 21 S8/KS8 22 S9/KS9 23 S10/KS10 24 S11/KS11 25 S12/KS12 26 S13 27 S14 28 S15 29 S16 30 S17/G12 31 S18/G11 32 Vdd 33 VEE 34 S19/G10 35 S20/G9 36 G8 37 G7 38 G6 39 G5 40

6、G4 41 G3 42 G2 43 G1 44 Vdd 45 LED5 46 LED4(BBE) 47 LED3(POWER) 48 LED2(FANCT) 49 LED1(7507RST) 50 Vss 51 OSC 52 IC701 PT6311 R732 47K R725 33K R72633K R72733K R72833K K4 K3 K2 K1 D701 4148 D703 4148 STB1 CLK DATA S1 S2 S3 S4 S5 S6 S7 S8 S9 KS1 KS2 -24V +5V S1 S2 R702 10/1/2w VF1 VF2 S10 S11 S12 S13

7、 S14 S15 S16 S17 S18 G10 G1 G2 G3 G4 G5 G6 G7 G8 G9 R701 10/1/2w C709 47uF C704 47uF R730 4K7 R729 10K R731 10K S1 S2 S3 S4 S5 S6 S7 G1 G2 G5 G4 G3 G6 G8 G7 G9 S9 S10 S18 S12 S13 S14 S8 S16 S15 S17 -24V SW802 DOWM SW803 SOURCE SW804 STANDBY SW805 STOP SW806 PLAY SW807 OPEN G10 S11 VF1 2 S1 3 S2 4 S3

8、 5 S4 6 S5 7 S6 8 S7 9 S8 10 S9 11 G1 12 G2 13 G4 14 G5 15 G3 16 G6 17 G8 18 G7 19 G9 20 G10 21 S10 22 S18 23 S12 24 S13 25 S14 26 S15 27 S16 28 VF2 31 VF1 1 VF2 32 S17 29 S11 30 VFD701 MCD770-01A1 STB1 DATA CLK 1 2 3 4 5 6 7 8 9 10 11 CN102 11P/2.0 +5V V-GND REM -24V VF2 VF1 ROT-A ROT-B D7024148 SW

9、809 UP S3 R733 4.7kLED701 REM 1 GND 2 Vcc 3 S701 REMOTE REM V-GND +5V G 1 B 2 A 3 ENCODER300 VOL ROT-A ROT-B V-GND 1 2 3 4 CN1401 vbus 1 D- 2 D+ 3 GND 4 Shield 5 GND 6 J1401 USB GND-u D+ D- vbus R734 10K 5-2 5-2 VFD Display Board-Layout Diagram USB BOARDM-boy BOARD 1 2 3 4 103NC subv 1 -D 2 +D 3 DNG

10、 4 dl ei hS 5 DNG 6 103J BSU u-DNG +D -D subv 6-16-1 USB & M-boy Board-Circuit & Layout diagram J1 6p 1 2 3 4 CN1 4P ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?

11、 ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? 10uF CE1 47K R5 NCCNCN0 Fu001CN R121Q1 CNMFNCNC R4 AMP23014.7

12、K100R R3R1 22K R2 1K CE2 DAB NCNC only DAB use only ipod use VCC_27V ECO_POWER3 DAB_ON_OFF3 STANDBY3,4 CD_ON3 STANDBY3,4 I5V FM5V CD_5V A5V A22VVCC_27V A5V -27V VF1 VF2 VCC_27V R23 47K PP1 2 3 4 5 9 8 7 6 1 2 3 4 5 9 8 7 6 1 PP3 2 3 4 5 9 8 7 6 1 2 3 4 5 9 8 7 6 1 +CE1 100u/16V R25 10K JACK1 DC-005

13、1 2 3 R9 200K R15 100K + CE4 100u/25V L2FB/DIP/3.5*4.7 MK4 Q10 D965,DIP 3 12 + CE12100u/35V Q8 D965,DIP 3 12 + CE7 100u/16V R3033R 1/4W R17 33K R13 4.7K D5 6.2V/0.5W L5FB/600 + CE2 NC/10u/16V Q5 CES2307 R14 22K R33 10R D3 1N4148 L427uH_2A Q4 2N3904 2 13 R26220R R10 18K R24 1K Q3 CES2307 R197 200K MK

14、3 D4 FR104 D1 SK34 12 MK1 CB10.1uF R21 22K R32 22K + CE13 10u/35V R6 100K J1 CON2.54-2 1 2 R11 1K R22 47R 1/2W Q6 2N3904 2 13 D2 1N4007 L8 100UH C5 150pF U1MP4460 1 5 6 7 3 4 10 8 92 11 SW FB GND FREQ EN COMP BST VIN VINSW GND C1 1uF/50V/0805 Q2 NC/2N3904 2 13 R8 33K L3FB/600 R28220R L1 FB0805 + CE3

15、 470uF/35V +CE9 47u/16V R18 47K R19 1K C4 22pF/NC + CE11 22u/16V + CE5 470uF/10V/8X7 D627V/0.5W PP2 2 3 4 5 9 8 7 6 1 2 3 4 5 9 8 7 6 1 L7 NC/FB0805 C7 104 Q7 8550 DIP 2 13 Q1 NC/CES2307 + CE10 220u/35V R204 10K R27 22K R2 NC/47K C6 473 R3 NC/1K Q9 2N3904 2 13 MK2 R16 39K R2910K T1 TRANSFORMER 9 8 7

16、 6 5 4 3 2 1 R1 0R C2 2.2uF/16V C8 104 R12 10K + CE8 22u/16V L6 FB0805 R5 NC/22K R4 NC/4.7K R3110K R7 47K R2010K MK5 + CE6 10u/16V MK6 Decoder Board - Circuit Diagram 8-18-1 PIN2-PIN7 Ferrite Bead 500mA MCM770 dont used this Circuit diagram SPIN- TRACK+ MDI FOCUS- XSPINDLE SLEGP MBPUH LD TRACK- FOCU

17、S+ TRACK- SL+ XSLEGP FOCUS- FOCUS TRACK+ MDPUH SPINDLE VREF_16 MCPUH MAPUH SL- XFOCUS VREF_16 TRACK VREF_16 VREF_16 SL- LIMIT SPIN- SL+ SPIN+ SPIN+ TNI TPI F_CLK WP F_DI F_DO LD F_CS HOLD# SPIN+ SPIN- M1+ M1- XTRACK FOCUS+ M- M+ VREF_16 D+ D- LCD_DATA LCD_CLK LCD_CS DVD_IR LIMIT MUTE_DVD LIMIT DOOR

18、MDI XSPINDLE TPI MBPUH RESETJ MUTE34 F_DO F_CLK XTRACK DOOR FELPFO VREF_16 F_DI TNI XFOCUS LDO MUTE34 XSLEGP LCD_DATA LCD_CLK LCD_CS MCPUH F_CS MUTE_DVD MDPUH MAPUH DVD_IR SBLPFO TELPFO M- M+ GND HAVC HAVC CD_R4 CD_L4 M_DOWN3 M_UP3 M_OPEN3 M_CLOSE3 USB_ON3 CD_TMS3 DVD_IR3 CD_CLK3 CD_STB3 MUTE_DVD3 C

19、D_DATA3 M+3 M-3 CD_5V 3V3SD M33V RF_1V8 M33V_CKG M33V M33V AUD_3V3 M33V_LDO 3V3SD_IC SEV_3V3 M33V_PAD V18_CORE 3V3SD V18 3V3SD RF_1V8 3V3SD V18 AUD_3V3 3V3SD CD_5V M33V_CKG M33V_LDO M33V M33V_PAD SEV_3V33V3SD_IC V18_CORE AUD_3V3 A5V CD_5V CD_5V CD_5V A5V 3V3SD 3V3SD M33V_PAD SEV_3V3 3V3SD V18_CORE S

20、EV_3V3 M33V_PAD C18 471 C27104 R66 47K R85 1.5K C38 823 R814.7K(NC) EC17 10uF/16V R65 4.7K(NC) C19 104 C21 104 Q12 8550,DIP 2 13 Q13 8050,DIP 2 13 R86 22K C29105 R69 100k TX C45 104 C10103 R780R EC8 10uF/10V EC15 10uF/16V L12 221 R52 2.2K R764.7K C35 30pF R84 10K EC4 220uF/10V R60 4.7K R48 470R R89

21、27K C24103 C9 104 L18 221 R6710K EC12 10uF/16V R7010K EC5 47uF/16V R73 100K C33 104 FE R38 3.9K C36 104 C43 104 R59 10K R61 24K + CE15 220u/16V R68 0R R72 100K Q17 8050,DIP 2 13 C48 104 EC7 10uF/10V R44560K/0 C34 104 C47 104 EC13 10uF/16V L16 221 R834.7K R41 1K C31 104 R774.7K(NC) C14 104 CN1 SF-P20

22、0Z(FPC) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 VC VCC E D A B C F GND LD VR MD F+ T- T+ F- R64 4.7K L15 221 R34 39K R35 0R C20 104 U4 SFLASH EON25P10(1M bit) 1 2 3 45 6 7 8 CS# DO WP# GNDDI CLK HOLD# VCC Q20 8550,DIP 2 13 EC2 100uF/10V + CE14 220u/16V C28 104 C23 104 R43 82K/39K C13 104 Q19 8550,DIP

23、 2 13 R87 10K R42 1K L17 221 C37 104 R45 2.2KC11 104 EC1 10uF/16V R47 2.2K L10 221 12 R49 470R CN4 CON2.0-4 1 2 3 4 Q21 2N3904 2 13 C16 471 R744.7K(NC) L14 221 C32 104 C12 474 EC11 10uF/16V D7 1N4148 12 C49 104 Q11 8550,DIP 2 13 C41 823 R4033K C40 104 R63 15R R570R R56 20K C15 471 L19 221 U2 AM5766F

24、M 1 2 3 4 5 6 7 8 9 10 11 12 13 1415 16 17 18 19 20 21 22 23 24 25 26 27 28 3029 VINFC TRB_1 REGO2 VINSL+ REGO1 FWD REV VCC1 VOTR- VOTR+ VOSL+ VOSL- VOFC- VOFC+VOTK+ VOTK- VOLD+ VOLD- VCC2 OPIN VCTL GND VINLD OPOUT TRB_2 VINTK BIAS MUTE GNDGND L9 221 12 R4633K R804.7K SB EC10 100uF/16V R88 1.5K R50

25、1K R62 0R C25 104 L11 221 L20 221R790R Q15 8550,DIP 2 13 R53 2.2K R54 10R/0.5W EC16 100uF/16V L13 221 C22473 EC14 10uF/16V C30 104 R51 1K R7510K R55 18.3K ALi M5673 U3 71 65 35 20 26 51 1 22 49 93 42 76 100 60 31 5 68 87 62 98 48 41 94 95 46 74 14 53 16 101 82 83 36 3 73 19 23 75 8 12 96 70 54 4 89

26、47 39 24 86 44 72 67 10 18 33 6 13 21 45 102 59 50 80 92 25 81 57 40 66 88 63 11 64 55 52 97 28 43 79 58 99 90 9 17 7 2 56 77 69 32 61 27 15 91 78 34 103 104 105 106 107 108 109 110 111 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 29 30 37 38 84 85 112 113 XGPIOD7/SPDIF XGPIOD1/I2CM_D

27、AT(B) XPAD_BOCAPR VTP XTALI XPAD_SFGN LDO XAVSS33_LDO XPAD_XVREF XGPIOH1/DATA4(B) FMINL XGPIOE4/SDD0(B) XGPIOH7/LCDRDJ(O) XGPIOC0/SFCSB XPAD_BICAFL MB XGPIOD4/I2S_DO XGPIOG3/USI_DI XGPIOC2/URTX XGPIOH6/LCDCSJ(O) XPAD_V15R XPAD_MICIN XGPIOH2/DATA5(B) XGPIOH3/DATA6(B) XPAD_V15L XGPIOE2/DOCD_CLK(O) MPX

28、OUT2 XDP COSP XGPIOI0/LCDWRJ(O) XGPIOF2/SD_MS_PWR XGPIOF3/SD_MS_DET XPAD_LINEOUTR TP2 XGPIOE1/DOCD_DATI(I) VTB XAVDD33_LDO XGPIOE3/SD_MS_WP XAVDD33_2 TELP XGPIOH4/DATA7(B) XGPIOD6/I2S_WCLK VDD_CORE MC XGPIOG5/DATA0(B) XPAD_V08R FMINR XAVDD18_LDO XGPIOG2/USI_DO XPAD_MICBIAS XGPIOE0/DOCD_DATO(O) XGPIO

29、D3/I2S_REFCLK V12 XAVDD33_3 XPAD_LINEOUTL MD MPXOUT1 XAVSS33_3 XPAD_V08L XGPIOI1/PWM0_0(O) XGPIOB7/SFDI XPAD_SFGP XGPIOF0/SDCMD(B)/MSBS(O) XGPIOH0/DATA3(B) XAVDD33_CKG XGPIOF1/SD/MS_CLK(O) VDD_PAD XPAD_LINEINR XGPIOD2/I2S_SCLK XGPIOG4/USI_CLK XGPIOC3/URRX XAVSS33_2 XGPIOD0/I2CM_CLK(O) GND_CORE XDM X

30、GPIOH5/LCDA0(O) XAVSS33_CKG XPAD_LINEINL XGPIOE7/SDD3(B) XGPIOB6/SFDO XPRSTB XGPIOG6/DATA1(B) HAVC COSN MA TP1 GND_PAD XGPIOE5/SDD1(B) XGPIOD5/I2S_DI XPAD_BOCAPL XGPIOC1/SFSCK XTALO MPXOUT3 XGPIOG7/DATA2(B) XGPIOE6/SDD2(B) XPAD_BICAPR XGPIOI2/IRC XGPIOI3 XGPIOI4 XGPIOI5 XGPIOI6 XGPIOI7 XGPIOJ0 XGPIO

31、J1 XGPIOJ2 GND_CORE VDD_CORE XAVDD_D33 BTN_ADIN1 BTN_ADIN2 BTN_ADIN3 VREF16 FMO XAVD33_1 DMO XAVSS33_1 GPWM FOO TRO MDI XAVDD18_1 XAVSS18_1 XAVSS33_AUD XAVDD33_AUD GND_PAD VDD_PAD GND_PAD VDD_PAD D8 1N4148 12 EC6 10uF/16V Q14 8050,DIP 2 13 C44 104 R36 470R RX C26 104 EC9 10uF/10V R7110K Q18 8050,DIP

32、 2 13 R391K R58 12K CN2 CON2.54-2 1 2 C46 104 R37 470R C17 471 EC3 470uF/16V R82 0R(OPEN) Y1 16.9344MHz C39 30pF CN3 CON2.0-6 1 2 3 4 5 6 SPIN+ SPIN- SLED+ SLED- LIMIT1 LIMIT2 C42 104 TE Q16 8550,DIP 2 13 8-28-2 Decoder Board - Circuit Diagram 0 NCIPOD BT R92 0 R95 NC IPOD_DET SDA ROT_A ROT_B OPEN_S

33、W STANDBY REST MUTE_CPU CLOSE_SW TX_IPOD XO1 XO COM LED- SCL0 SDA1 SCL1 LED_Control DS_DAT DS_STB SCL DS_DAT SDA CD_CLK ROTB DS_STB DS_CLK ROT_A SDA CD_DATA ROT_B DS_CLK ROTA SCL SCL SCL CDDATA LED_Control USB_ON MUTE_DAB MUTE1 MUTE_CPU REMOTE CD_TMS CD_STB DS_DAT DS_STB DS_CLK SCL FM_RIN TUNER5 FM_

34、LIN SCL3 SDA3 SDA SDA0 SDA SDA IPOD_DET L_IPOD_BT GND TX_IPOD I5V SCL P59 GND R_IPOD_BT L_IPOD_BT R_IPOD_BT P54 RX_IPOD MUTE1 M- OPEN_SW CLOSE_SW GND M+ M- M+ VF2 REMOTE ROT_B CPU5V ROT_A -27V DS_DAT DS_STB DS_CLK VF1 GND FM_RIN FM_LIN MUTE_DAB SCL3 SDA3 ROTB ROTA CDDATA CD_CLK2 CD_TMS2 CD_DATA2 USB

35、_ON2 CD_STB2 M_UP2 M_DOWN2 DAB_ON_OFF1 STANDBY1,4 MUTE_LINE4 ECO_Power1 M_CLOSE2 M_OPEN2 CD_ON1 SDA4 SCL4 MUTE_DVD2 DVD_IR2 FM_RIN4 FM_LIN4 L_IPOD_BT4 R_IPOD_BT4 MUTE14 M+2 M-2 CPU5V CPU5V CPU5V CPU5V CPU5V A5V CPU5V FM5V I5V VF1 VF2 -27V CPU5V FM5V R10910K TP10 TP18 D14 1N4148 R139 33R D11 IN4148 C

36、53 15pF R137100R R91NC X2 4.19MHz R123100R R117100R TP15 U5 PCF8563 1 2 3 45 6 7 8 OSCI OSCO INT VSSSDA SCL CIK VDD R114100R CN8 CON2.0-2 1 2 TP38 R140 4.7K X1 32.768KHz R136100R C57103 TP39 D15 1N4148 R107330 R9810K TP40 R1352.2K C59 104 R12210K C56221 R12010K L21FB/600 L22 10R/0805 TP36 D9 IN60 R1

37、08330 TP20 C63 NC/101 R12833R C61221 R116100R R11010K Q22 2N3904 2 13 D13 IN4148 TP11 TP12 TP32 R206330 C54221 U724C08A 1 2 3 45 6 7 8 A0 A1 A2 VSSSDA SCL TEST VDD R95330 CN7 CON2.0-5 1 2 3 4 5 R138 100R R119100R C66 102 TP35 R134 22K TP30 U6 24C02 1 2 3 45 6 7 8 A0 A1 A2 VSSSDA SCL TEST VDD TP26 CN

38、5 CON2.0-8 1 2 3 4 5 6 7 8 R94330 R205330 R11310K J2 TUNER 1 2 3 4 5 6 7 8 9 10 R900 R1332.2K TP21 C65 104 R102330 TP17 C55221 + CE18 10uF/16V D10 IN60 C69 30pF R9710K R1013.9K R143 4.7K C64 NC/101 R127100R TP9 R131 4.7K D12 1N4148 R10610K P1 DSW-7B 7 8 6 2 9 1 3 4 5 10 + CE20 10u/16V TP31 R100330 T

39、P34 CN6 CON2.0-11 1 2 3 4 5 6 7 8 9 10 11 R9610K R10410K TP19 R125100R TP25 C68 104 R144 68K C51 104 TP33 R93NC R130100R R141 0 TP14 TP13 R9968K R12933R + CE16 100uF/16V C52100 U8S3C9228 DIP 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 21 4

40、1 40 42 DS_STB DS_DATA DS_CLK REMOTE ROT_A ROT_B TREBLE_AD BASS_AD FUN_A FUN_B VDD VSS XOUT XIN TEST XTIN XTOUT REST DVD_ON DVD_DO DVD_CLK DVD_STB USB_DET SD_DET DVD_SW OPEN_SW CLOSE_SW OPEN_M CLOSE_M SCL SDA ECOPOW LED NC MUTE STANDBY NC NC DVD_DI DOWN_M NC UP_M R920 TP28 +CE19 4.7u/50V R1180R R142

41、 10K R132100R TP7 TP37 C50100 TP27 C58103 TP23 CB2 0.1uF R1125.6K TP29 R1115.6K C62221 C60221 +CE17 47u/16V C67 30pF TP22TP16 R115100R R145 10K R126100R R121NC/100R TP24 R124100R TP8 8-3 8-3 Decoder Board - Circuit Diagram ?:C74,C75,C82,C84,C89,C92?IC? 2008.4.24 2008.4.24 FM_L CDL CDR FM_R AUX_R L_O

42、UT R_OUT CDL AUX_L CDR LINE_R_OUT AUX_L_IN AUX_R_IN LINE_R_OUT AUX_L_IN AUX_R_IN SCL_3000 L-OUT R_OUTR-OUT L_OUT RESET SDA_3000 STANDBY OUTR+ L-OUT MUTE1 OUTL+ OUTL+ OUTR+ R-OUT MUTE1 STANDBY LINE_L_OUT MUTE1 L_OUT R_OUT L-OUT R-OUT 3.3V LINE_L_OUT SDA_3000 SDA SCL_3000 SCL 3.3V CD_L2 CD_R2 MUTE_LIN

43、E3 FM_LIN3 FM_RIN3 L_IPOD_BT3 R_IPOD_BT3 SCL3 SDA3 MUTE13 STANDBY1,3 A22V VCC_27V 9.1V 3.3V 9.1V R150 1K + CE35 4.7u/50V R167 47K C74 102 +CE45 4.7u/50V R20710K + CE34 2.2u/50V D19 1N4148 +CE43 22uF/16V R203 47K R164 1K C73 104 + CE23 2.2u/50V C81154 C99 33pF R168 4.7K R159 30K C88 684/50V R161 1K Y

44、227MHz C77 272 L23FB/600 C82154 + CE37 100uF/16V + CE22 2.2u/50V R1850 R174 10K R188 10K Q30 2N3904 2 13 R165 30K D16 9.1V 0.5W R151 2.2K Q26 2N3906 2 13 + CE32 4.7u/50V R166 1K R1811K C9010uF/10V C71 471 R200NC C85 NC/471 R153 47K +CE39 470UF/35V C104 33pF Q24 2N3904 2 13 C103 0.015uF C106 1uF + CE

45、46 4.7u/50V C96 180pF R16020K C97 684/50V R202 47K R17910K R15820K R183 10K U11 MX3000 7 8 6 2 3 10 9 16 1 11 12 5 14 13 15 4 SCL SDA RESET INL INR OSC0 OSC1 CAP REF0V DVDD DVSS AVDD OUTL OUTR MXBSOUT AVSS L25 22UH/3.2A R1890 R196 10K CB5 0.1uF C84154 + CE28 220u/16V CB4 0.1uF R173 10K R180100K R199

46、 2K C87224/50V CB3 0.1uF R194 NC/47K C100 33pF Q28 2N3904 2 13 R186NC C98 104 Q27 2N3904 2 13 D20 1N4148 U9 PT2314 1 2 3 4 5 6 7 8 9 10 11 12 13 1415 16 17 18 19 20 21 22 23 24 25 26 27 28 VDD AGND TREBL_L TREBL_R R_IN R_OUT LOUD_R R_IN4 R_IN3 R_IN2 R_IN1 LOUD_L L_IN4 L_IN3L_IN2 L_IN1 L_IN L_OUT BIN

47、_L BOUT_L BIN_R BOUT_R OUT_R OUT_L DGND DATA CLK REF + CE25 4.7u/50V R176 NC/4.7K + CE26 4.7u/50V R147 4.7K R162 10K C94224/50V C70 471 R182100K + CE31 2.2u/50V + CE33 2.2u/50V + CE27 2.2u/50V R192100K P2 AV4-8.4-13D 1 2 3 4 5 6 78 R156 330R 1W C102 104 L26 22UH/3.2A C80 471 C95 180pF C78 471 R152 4.7K R191 NC/47K CB6 0.1uF R163 10K R