BBK-FSA2800-av-sch 电路图 维修手册.pdf

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1、+5V EA/VP 31 X1 19 X2 18 RESET 9 RD 17 WR 16 INT0 12 INT1 13 T0 14 T1 15 P10/T 1 P11/T 2 P12 3 P13 4 P14 5 P15 6 P16 7 P17 8 P00 39 P01 38 P02 37 P03 36 P04 35 P05 34 P06 33 P07 32 P20 21 P21 22 P22 23 P23 24 P24 25 P25 26 P26 27 P27 28 PSEN 29 ALE/P 30 TXD 11 RXD 10 2U1 87C51 +5V 1 2 3 4 5 6 7 2CN2

2、 7P24182 CE0 1 CE1 2 CE2 3 SDA 5 SCL 6 WC 7 2U2 AT24C01 D+5V LATCH DATA CLK SDA XT1 12MHz 2C3 22P 2C4 22P 2C2 10uF 2D11 4148 2R13 10K SCL D+5V GND VCC 1 GND 3 OUT 2 2IR1 1838 2R7 220 2D2 绿 2D6 红 2D4 2D3 红 2D52D7 红 2D8 红 2D1 红 2R4 220 2R5 220 2R6 220 2R8 220 2R9 220 2R11 220 2R10 220 +5V +5V 1 2 3 2S

3、CW1 2R2310K +5V 2C1 104 2R1 100 2R1910K 2R1610K 2R21 10K 2R2010K +5V 2R17 10K 2R18 10K 2D9 2D10 2R15 220 2R14 220 DVD/5.1CH CD AUX TV Hi-Fi QS-5.1 INPUT VOL-Min VOL-Max 电源 待机 静音 IR/INT1 IR/INT1 D+5V IC-10 IC-10 红 2R3 220 1S1 STANDBY 2R210K IC-11 IC-11 2R12 1M 2R2210K +5V 2C5 104 2C3 104 2C6 473 2C7

4、473 2R28 2K 2R27 2K 2R26 2K 2R252K 2R242K 2L1 47uH +5V 2C9 104 RadioFans.CN 收音机爱 好者资料库 BBK FSA-2800 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 1U4 QS7785CF 1C6 10F 1C7 10F 1R30 10K 1R29 10K 1C9 102 1C3 123 1C

5、8 823 1C11 272 1C10 223 1C12 224 1R31 10K 1C4 822 1C5 822 1C13 154 1R32 10K 1C14 154 1C17 103 1C18 103 +12V 1C20 332 1C19 332 1C2210F 1C21 10F 1C16 822 1C15 822 1D+5V SCL SDA 1C42 10F 1C4110F 1C4310F 1C4410F 1C45 10F 3 2 1 84 1U5A 4558 5 6 7 1U5B 4558 1R35 47K 1R36 47K 1R34 47K 1R37 5.6K 1R38 5.6K 1

6、C36 154 1C37 154 +12V -12V DVD/5.1接口 Qsurround QSOUND NC NC NC X0 12 X1 13 Y0 2 Y1 1 Z0 5 Z1 3 INH 6 A 11 B 10 C 9 VEE 7 X 14 Y 15 Z 4 1U2 4053 X0 12 X1 13 Y0 2 Y1 1 Z0 5 Z1 3 INH 6 A 11 B 10 C 9 VEE 7 X 14 Y 15 Z 4 1U3 4053 X0 12 X1 14 X2 15 X3 11 Y0 1 Y1 5 Y2 2 Y3 4 INH 6 A 10 B 9 VEE 7 X 13 Y 3 1

7、U1 4052 1R3 4 7 K 1R1 4 7 K 1R7 4 7 K 1R5 4 7 K 1R11 4 7 K 1R9 4 7 K 1R25 4 7 K 1R26 4 7 K 1R4 1K 1R2 1K 1R8 1K 1R6 1K 1R12 1K 1R10 1K AUX CD TV R L R L R L 1R23 4 7 K 1R21 4 7 K 1R17 4 7 K 1R19 4 7 K 1R13 4 7 K 1R15 4 7 K 1R16 1K 1R14 1K 1R20 1K 1R18 1K 1R22 1K 1R24 1K FR FL SR SL C SW -6.2V-A -6.2

8、V-A 1C50 10F 1C51 10F 1C47 10F 1C4810F 1C4910F 1C4610F 1C40 10F 1R3947K 1R40 47K 1R4347K 1R4247K 1R41 47K 1R44 47K 1C56 822 1C58 334 1C57 153 +6.2V CLK DATA LATCH 1C54 822 1C52 334 1C53 153 1C61 10F 1C59 10F 1C6710F 1C6310F 1C6210F 1C6510F 1C6610F 1C6410F A/4052 B/4052 AC-3 MUTE D+5V OUT4 1 OUT3 2 O

9、UT2 3 OUT1 4 AVDD 5 SWin 6 Sgnd 7 SRin 8 SLin 9 Cgnd 10 Cin 11 Rgnd 12 Rin 13 Lgnd 14 Lin 15 BYPASSR 16 BYPASSL 17 LTRE 18 LBASS3 19 LBASS2 20 LBASS1 21 RBASS1 22 RBASS2 23 RBASS3 24 RTRE 25 CR2 26 CR1 27 CL2 28 CL1 29 AVss 30 Lout 31 Rout 32 Cout 33 SLout 34 SRout 35 SWout 36 Agnd 37 Dgnd 38 LATCH

10、39 DATA 40 CLK 41 DVDD 42 1U6 M62446FP DGND FR FL SR SW SL C 3 2 1 84 1U9A 4558 5 6 7 1U9B 4558 1R59 47K 1R61 47K 1 2 3 4 5 6 7 8 9 10 1CN3 10P24182 1R58 47K -12V +12V -6.2V 1C32 104 1C35 104 1 2 3 4 5 6 7 1CN2 7P24182 CLK DATA LATCH 1C25 104 1C24 100F SCL SDA D+5V 功放板 控制板 1C77 104 MUTE AC-3 A/4052

11、B/4052 +12V -12V 1C30 100F 1C31 100F 1C27 2200F 1C26 2200F 1D1 1N4004 1D21N4004 1D31N4004 1D41N4004 1 2 3 1CN1 3P24182 1R45 220 1R46 220 1VD2 6.2V/0.5W 1VD3 6.2V/0.5W 1C34 100F 1C33 100F +6.2V-B -6.2V-B 1R47 100 D+5V 1VD4 5.1V/0.5W 1C38 1041C39 10F 1C2 104 AC13Vx2 1R27 4 7 K 1R28 4 7 K 1R63 4 7 K 1R

12、62 4 7 K Vin 1 GND 2 Vout 3 1U11 7912 Vin 1 GND 2 Vout 3 1U10 7812 1VD5 6.2V/0.5W 1VD6 6.2V/0.5W 1C74 100F 1C76 100F +6.2V-A -6.2V-A 1R48 510 1R49 510 1R50 47K 1R5147K 1R54 47K 1R53 47K 1R60 22K 1C73 102 1C72 102 1C28 104 1C29 104 1R33 2K 1VD1 5.1V/0.5W 1C23 10F +12V1D+5V 1C1 104 +6.2V-A 1C75 104 +6

13、.2V-A 1C60 104 1C55 104 1C69 104 1C68 104 E E RadioFans.CN 收音机爱 好者资料库 + + - - 1 Rout 2 +Vs 3 Lout 4 mute/st-by 5 -Vs 6 Lin 7 8 GND 9 10 Rin 11 3U1 TDA7265/7269 3R3 18K 3R5 18K 3R4560 3R6560 3C5 10F 3C6 10F MUTE/ST-BY 1 2 3 4 5 6 7 8 9 10 3CN2 10P24182 3C2 100F 3C4 104 3C10 100F3C12 104 +14V -14V + +

14、 - - 1 Rout 2 +Vs 3 Lout 4 mute/st-by 5 -Vs 6 Lin 7 8 GND 9 10 Rin 11 3U2 TDA7265/7269 3R7 18K 3R10 18K 3R9560 3R11560 3C16 10F 3C15 10F MUTE/ST-BY 3C9 100F 3C11 104 3C9 100F3C11 104 +14V -14V + + - - 1 Rout 2 +Vs 3 Lout 4 mute/st-by 5 -Vs 6 Lin 7 8 GND 9 10 Rin 11 3U3 TDA7265 3R14 36K 3R16 36K 3R15

15、750 3R17750 3C29 10F 3C27 2.2F MUTE/ST-BY 3C26 100F 3C18 104 3C20 100F3C17 104 +14V -14V 3C47 100F 3C46 104 +14V 3C44 100F3C45 104 -14V FR FL SR SL CEN CEN SW+ SW- 3C28 562 3C41 47F 3R22 22K 3R18 680 3R21 22K Cin SWin Cin SWin 3Q1 2SK246 3Q2 9014 3D6 LED 3R25 10K 3C25 10F MUTE/ST-BY 3D3 1N4148 3R27

16、47K +16V 3C24 330F/16V 3R33 10K 3D1 IN4004 AC 1 V+ 2 AC 3 V- 4 3BR1 RS806 3C50 6800F/25V 3C49 6800F/25V +14V -14V 1 2 3 3CN3 3C42 471 3R24 470K 3R23 510K A -14V SP1 3C40 10F 3R1 2.2K 3C7 102 3R2 2.2K 3C8 102 3R12 2.2K 3C13 102 3R8 2.2K 3C14 102 3C19 103 3R19 2.2K 3R20 4.7K A 3R31 4.7 3C54 104 3R30 4

17、.7 3C53 104 3R29 4.7 3C51 104 3R28 4.7 3C52 104 3R32 2.2 3C55 104 3R13 103C34 104 3C23 22F + 1 - 2 -V 3 +V 5 O 4 3U4 TDA2030A P1 P2 3R34 100 3C43 104 3C21 104 3C22 104 3F1 T6.3A/250V 3F2 T6.3A/250V 3R35 1/4W1K 3D4 IN4148 3D5 IN4148 ? ? 3R36 1.2K 4R1 1M8/1W 4C1 223/275V 4L2 38uH 4L1 38uH FU102 T5A/250V FU101 T5A/250V FU01 T3.15A/250V 1 2 3 3CN5 1 2 3 3CN4 3C36 104 ? ? 1 2 3 3CN-4 1 2 3 3CN-3 ? ? ? ? ? 3C31 104 3C33 104 3C35 104 3C32 104 B1 3C30 36P E E RadioFans.CN 收音机爱 好者资料库