BBK-AV214T-av-sch 电路图 维修手册.pdf

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1、AV- 214T SERVICE MANUAL RadioFans.CN 收音机爱 好者资料库 1 2 3 7 8 10 11 12 Technical parameter Disassembly instruction Flow chart Principle chart PCB board General chart BOM INDEX 12 BOM TypeCodeDescriptionUsage 06036Diode blue light LED 2 090092Impulse switch 1 Other volume panel material 05144 1 05169 1 0

2、5290 1 06004 Diode red light LED 1 08025 Crystal ceramic1 090109 Touch switch8 12015 Optical receiver1 12251 Display screen1 0202093 Potentiometer rotary2 Other control panel material 0300185 Electtolytic capacitor25V 4700uF 20% Dia16x30 NOVA 2 05034 3 05040 2 05177 1 05191 1 05263 1 05264 1 08025Cr

3、ystal ceramic 1 10041Relay 2 13072Fuse 2 13076Fuse 2 Other amplifier material 090175AC power switch rocket type 1 11410Transformer 1 12033Receiver 1 B11055Remote control 1 Other material Other accessories Amplifier B60264 Control panel B60262 Volume panelB60258 RadioFans.CN 收音机爱 好者资料库 2 TECHNICAL PA

4、RAMETER power output :20W3+6W2(RAMS) Impedance of subwoofer : 4OHM Impedance of satellite speaker : 4OHM Frequency Response Subwoofer 20Hz- 120Hz Satellite speaker 20Hz- 20KHz Seperation 50dB System S/N ratio 70dB Input voltage : AC230V 50Hz 11 GENERAL CHART RadioFans.CN 收音机爱 好者资料库 Study the cords l

5、ayout carefully before any takedown. Set them as original after servicing. DISASSEMBLY INSTRUCTION Fig 1 D A 10 PCB BOARD Disassembly the amplifier - Take down four screw A (fig1) - Take down three screw B (fig2) - Take down eight screw C (fig3) - Take down SIP cable terminal D (fig1) - Move away th

6、e amplifier PCB Fig 2B Fig 3 C 9 PRINCIPLE CHART 4R09 22K 4R11 10K 4R13 22K 4C052234C03223 4C09 332 W1 50KB W2 50KB 4R06 12K 4U01A 4558 4R08 12K 4C02 22P 4R10 22K R167 10K 4R14 22K 4C06223 4C04223 C110 332 W1 50KB W2 50KB 4R05 12K U111B 4558 4R0712K 4C01 22P 4C08 301 4C07 301 1R20 10K 1R21 1K 0E54 2

7、2uF/16V 1R18 1K 1R19 47K 0C62 101 0Q10 TDA2030 1R12 4R7/1W 0C82 CL104 SL I 1R16 10K 1R17 1K 0E53 22uF/16V 1R14 1K 1R15 47K 0C61 101 0Q11 TDA2030 1R13 4R7/1W 0C83 CL104 SR IN 1R30 10K 1R31 1K 0E56 22uF/16V 1R28 1K 1R28 47K 0C69 101 0Q09 LM1875 1R27 4R7/1W 0C67 CL104 CE IN 1R35 10K 1R36 1K 0E57 22uF/1

8、6V 1R33 1K 1R34 47K 0C27 101 0Q07 LM1875 1R32 4R7/1W 0C70 CL104 1R24 10K 1R25 1K 0E55 22uF/16V 1R22 1K 1R23 47K 0C66 101 0Q08 LM1875 1R26 4R7/1W 0C65 CL104 0E46 3300uF/25V 0E47 3300uF/25V 0E49 100uF/16V 0E50 100uF/16V 3E02 220U/35V 3E03 100U 0E51 2200U/16V 0E52 2200U/16V +5V +23V - 23V 3C02 103 G In

9、O 0Q13 7812 G InO 0Q12 7912 1F01 T3.15 1F02 T3.15 IN5401*4 +12V - 12V 1F03 T1.6 1F04 T1.6 3R33 1R/0.25W 3D02 4004 3C03 103 3D01 4004 3R01 150R/2W G InO 3Q01 7805 3R02 22R 3R34 2R/0.25W 3R03 220R 3R04 220R 3R05 10K 3Z01 5V1 - 30V AC5V AC5V FL I FR I C801 22uF/16V C801 22uF/16V 0E59 100uF/25V 0E58 100

10、uF/25V SW I FL OUT 1JK1 1JK2 FR OUT SW OUT SL OUT SR OUT CE OUT 0D09 4004 1Q09 8050 1Q10 8050 1Z01 5V1 1 8 7 3 2 4 55MIC1 CK3- 6.35- 104A 1 2 3 4 5 0CON7 5PINS 1 2 3 4 5 5CN1 5PINS +23V 1R08 100K 1R09 56K 0E21 47U 8SW1 10A 125/250VAC8C01 400V/103 8C02 400V/103 8FU1 T1.6 1 2 8CON1 2PIN 1 2 8CON2 2PIN

11、 1 2 1 2 3 4 5 6 7 4CN1 7PIN +12V - 12V 4E02 47u 4E01 47U - 12V +12V 0D17 4004 0D16 4004 0E48 47U 0C84 104 0D01 0D03 0D04 0D02 1R11 100R/1W 1R12 100R/1W 0R35 1K 1U07A 4558 0R52 15K 0C12 221 0R331K 1U07B 4558 0R51 15K 0C11 221 0E44 10U 0E45 10U +12V - 12V 0R39 47K 0R43 47K 0R32 4K7 0R82 4K7 1 2 3 4 5

12、 6 7 0CON5 7PIN +12V - 12V FL Y FR Y 0C64CL104 0C68 CL104 0C71 CL104 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 3U01 PT6311 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27

13、28 29 30 31 32 33 34 35 36 37 3U02 28125- VFD 6SW1 STANDBY 3SW04 AUX 3SW05 BOLBYPRO 3SW08 BYPASS 3SW03 TUNER 3SW02 VCR 3SW01 DVD/5.1 3SW06CEN MODE 3SW07 DSP 3R12 22K 3R11 22K 3R10 22K 3R09 22K 3D034148 3D044148 3D054148 3R15 56K 3R1615K 3R22 560R 3R1715K 3R32 560R 3R13 10K 3R07 220R 3R14 10K 3R08 22

14、0R 3Q02 8550 3Q03 8550 3R2710K LED1 R316 3K3 3E04 4U7 R301 2R/0.25W 3C06 104 +5v G O 3REM1 TL1838 PT6311 7LED1 LED 7LED2 LED R3163K3 VOL VOL GND 7K01 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 3U03 CPU AC5V AC5V - 30V 3x014MHZ 3C04 22P 3C05 22P +5V 1 2 3 4 5 6 3CN2 6P

15、IN 1 2 3 4 5 3CON4 5PINS 1 2 3 4 5 7CN1 5PINS +5V +5V 1 2 3 4 5 3CN1 5PINS +5V 3R1810K +5V MUTE PP- IN3 PP- IN2 PP- IN1 PP- OUT +5V LATCH REQ CLK DATA GND 1 2 3CON2 2PIN 1 2 6CN1 2PIN REQ CLK DATA GND +5V 1 2 3 4 5 3CN3 5PINS AT24C01 3U04 5 E F Fig 4 PRINCIPLE CHART 0R01 0R04 0R02 0R03 0R05 0R08 0R0

16、6 0R07 0R09 0R12 0R10 0R11 0R41 3K6 0R17 0R20 0R18 0R19 0R21 0R24 0R22 0R23 AUX MD/CD VCR SLIN SRIN CEN 5.1IN 1U06B 4558 12(X0) 13(X1) 2 (Y0) 1 (Y1) 5 (Z0) 3 (Z1) 6 (INH) 11(A) 10(B) 9 (C) 7 (VEE) 14(X) 15(Y) 4(Z) 16(VCC) U105 4053A 12(X0) 13(X1) 2 (Y0) 1 (Y1) 5 (Z0) 3 (Z1) 6 (INH) 11(A) 10(B) 9 (C)

17、 7 (VEE) 14(X) 15(Y) 4(Z) 16(VCC) U106 4053B 47K *6 1K *6 47K *6 1K *6 0R13 0R16 0R14 0R15 FL IN FR IN AV002 VEDIOIN VEDIOOUT SW DVD VCR AV002 SW OUT 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53

18、54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 M62460 M62460 0C38182 0C36103 0C37 683 0C39 104 0C41 104 0C40 182 0C42 683 0C43 103 0E16 47U 0E18 100U 0R93 47K 0C55 680 0C49 104 0C50 104 0R94 15K 0R95 7K5 0R89 22K 0C51 104 0R96 47K 0C56 680 C101 222 0R97 15K 0R98 7K5

19、0C52 104 0R91 22K 0E03 10U 0E04 10U 0E07 10U 0E10 47U 1R92 4M7 VRF 1R03 220K 1R04 100K 0E08 10U 0E05 100U 0C92 104 0C91 562 0E11 10U 0E12 10U 0E1310U 0E14 10U 0C46 104 0R64 20K 0R65 10K 0R81 1M 0R80 1K 0X01 4MHZ C101 33P C101 33P VRF C101 222 0C33 104 0C30 821 0C31 222 0R88 10K C101 222 1K C101 222

20、0R91 330K 0E17 1U 1K 1R38 24K 1K 1K 47K47K47K47K CT ST SL ST SR SW CE LT FL RT FR 0R54 15K 0C14 473 1R40 3K6 1U05B 4558 0R57 15K 0C16 221 0R38 3K6 1U05A 4558 0R56 15K 0C15 221 0R36 3K6 1U06A 4558 0R53 15K 0C13 221 0R29 47K 1U11B 4558 0R25 330K 0C07 101 0R30 47K 1U11A 4558 0R28 330K 0C08 101 0R26 5K6

21、 0R27 5K6 0R87 1K 0R84 1K 0R100 47K 1Q01 9014 0R32 330K 0R77 1K 0R78 100R 0R76 1M 0C17 222 - 12V +12V 0E61 10U 0E60 1U 0C74 473 C101 222 0C76 103 0R73 22K 0R74 15K R747 51K 0D15 4148 0D14 4148 0D13 4148 0D10 4148 0D11 4148 0D12 4148 0R72 10K 0R71 100R 1U04D 324 U103C 324 1U04B 324 0E63 1U 0R68 56K 0

22、E64 1U 0R69 56K 0E65 1U 0R70 56K 1Q11 9014 0R79 10K +5V 0R60 10K 0R61 5K6 C101 222 1 O1 2 TRE1 3 BASS11 4 BASS12 5 BASS13 6 SELL 7 FLIN 8 NC 9 FLO 10 11 12 SRO13 SWO14 NC 15 SWIN16 NC 17 SRIN18 NC 19 SL 20 NC 21 22 23 24 SELR25 FR26 NC27 FL28 BASS2329 BASS2230 BASS2131 TRE232 33 34 35 36 TIM 37 VDD

23、38 CLK 39 DAT 40 CE 41 VSS 42 O4 43 O3 44 LC75347 0E33 10U 0E32 10U 0E34 10U 0E36 10U0E35 10U 0E68 10U 0E30 10U 0E28 10U 0E31 10U 0E27 10U 0E26 10U 0E29 10U 0E29 22U 0C89 332 0R34 4K7 0R41 4K7 0R42 4K7 0R40 4K7 0D194148 0D18 4148 0C90 104 +12V 0R31 560R 1Z03 6V2 - B - B - 12V 1Z05 5V1 +12V 0R55 560R

24、 1(y0) 5(y1) 3(y) 4(y3) 12(x0) 14(x1) 15(x2) 11(x3) 2(y2) 13(x) 10(A) 9(B) 7(INH) 6(INH) VCC U? 4052 1(y0) 5(y1) 3(y) 4(y3) 12(x0) 14(x1) 15(x2) 11(x3) 2(y2) 13(x) 10(A) 9(B) 7(INH) 6(INH) VCC 1U09 4052 +B +B 1R05 270R 1Z08 5V1 - C- 12V 1Z06 5V1 +12V 0R59 470R +C +C +C - C - C +B 0E42 10U 0E40 10U 0

25、E41 10U 0E43 10U CEN I SL I SR I SW I 1 2 3 4 5 6 0CON3 6PINS 1 2 3 4 5 0CON4 5PINS INH INH INH +5V SW OUT CT LT ST RT C O SL O SR O SW O FL O FR O FL O FR O SL O SR O C O SW O MR AR VR FR ML AL VL FL AL G AR ML G MR VL G VR FL G FR FL FR 0E22 10U 0E23 10U +12V - 12V 0C75 223 0R62 47K 0R44 22K 0R49

26、22K 0R48 22K 0R46 22K 0R47 22K 0R45 22K 1Z02 5V1 +12V 0R58 220R +A 0E39 100U 0C77 104 0R63 100R +A 0E15 47U 0C45 104 0R63 100R 0C44 104 VRF 0C35 104 0C35 104 0C35 104 0C35 104 0C35 104 0C35 104 0C24 224 0C24 224 0C20 104 0C22 473 0C21 473 0C19 104 0C18 104 0C54 223 0C48 223 0R92 330K 0E17 1U 0E17 1U

27、 0R50 150R +12V 0C53 104 +12V - 12V 0E38 100U 0E37 100U +12V - 12V 0E09 47U 0E19 47U SWT SWT FL Y FR Y 0E20 100U 0E24 470U 0R102 10K 0R108 10K 0R101 100 1Q20 A1015 0C77 104 +B 8 Disassembly the display screen - Take down seven screw E on the display screen (fig4) - Take down SIP cable terminal F (fig4) - Move away the display screen 6 G Fig 5 7 POWER FLOW CHART SIGNAL INPUT FRONT AMPLIFIER DECODE AMPLIFIER LIST /KEY CONTROL Disassembly the earphone - Take down two screw G (fig5) - Move away the earphone panel