Carvin_80_03201revg_2 电路图 维修原理图.pdf

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1、TSTIO1 TSTIO2 TSTIO3 SDOUT2 SDOUT3 SDOUT1 DZFSET AOUTR2 AOUTL2 AOUTR1 AOUTL1 TSTI1 SDIN2 SDDA2 SDIN1 SMODE TSTI2 CASRF RASCE VRDAL VRDAH AINR- AINR+ AINL- AINL+ VRADL VRADH OPCL PDAD PDDA SDAD SDDA BCLK LRCK CLK0 DVDD DVSS DVSS DVDD SCLK WRDY DRDY DVSS DVDD DVSS DVDD DVSS DVDD DZF2 DZF1 AVSS AVDD VC

2、OM AVSS AVDD RST DVB DVB XTI XTO WRQ A16 A15 A14 A13 A12 A11 A10 IO0 IO1 IO2 IO3 IO4 IO5 IO6 IO7 DVB DVB AVB AVB 100 PD 10111213141516171819202122232425 262728 CS 2930313233 S1 343536 SO 373839 WE 4041424344454647 A9 484950 A8 51 A7 52 A6 53 A5 54 A4 55 A3 56 A2 57 A1 58 A0 59 OE 6061626364656667686

3、9707172737475 7677 NC 78798081 NC 82838485868788 NC 8990919293949596979899 NC 1 A K 7 7 1 2 23456789 U1 IDT71024 I/O7 I/O6 I/O1 I/O5 I/O4 I/O3 I/O2 I/O0 A16 A10 N/C A13 A11 A14 A12 CS1 CS2 GND A15 Vcc A9 23 21 24 OE 25 A7 A6 A5 A4 A3 10 A2 19 18 17 15 13 12 A0 11 A1 27 A8 22 20 26 14 28 29 WE 30 16

4、31 32 2 3 4 5 6 7 8 9 1 U3 T16 T16 T15 T15 T14 T13 T13 T12 T12 T11 T11 T10 T10 T9 T9 T8 T8 T14 +5 V C422 + C423 + R420 R418 27pF 27pF Y1 T2 T0 T1 T3 T4 T5 T6 T7 P402 cw P403 cw SELECT 1 ADJUST 1 R430 R429 +5 V +5 V C419 + 0.1u C417 + 0.1u C418 + 22u +5 V +5 V C410 + 0.1u +5 V +5 V C415 + 0.1u C414 +

5、 22u +5 V R416 R417 H2.A H2.C H2.E H2.G +5 V +5 V +5 V +5 V +5 V +5 V +5 V C425 + 0.1u C407 + 0.1u C434+ 0.1u C420 + 0.1u C424 + 0.1u C421 + 0.1u C433 + 0.1u R415 VCOM P2.0 P1.3 P1.2 P0.5 P0.2 P0.1 P0.4 P0.3 P1.7 P1.4 P1.6 P0.0 P0.6 P1.0 P1.1 P1.5 P2.1 P0.7 VDD VSS 19 16 15 12 17 14 11 U2 10 20 18 1

6、3 9 6 5 2 8 7 4 3 1 8 7 L P C 7 6 4 +5 V +5 V C416 0.001u A16.B 6 5 +7 R411 R412 C413 39pF R414 R413 A16.A 2 3 + 1 8 4 +5 V 10K R410 C41239pF C411+ 0.1uF R401 47K GND A MAIN FX RET C404 + C409 + GND A EFF SEND C432 0.1F R421 10K H2.H H2.F H2.D H2.B C428 0.1u R425 RTN 1L B50K P401 R406 15K R409 15K R

7、408 15K R407 15K C405 + C406 + S5.A S5.B R428 +5 V C431 0.22F R426 +5 V CH2 D10 A4.B 6 5 +7 R403 22K 0.0022F smtX C401 + R402 22K C402 + GND A R499 POWER D99 220 R50 C10 + OP1.A +15VDC 1F OP1.B R52 Q20 4.7k R53 Diode 1N914 SMT D2 470 R9 R29 1K C29 0.1u C49 0.1u 1M 4.7K 4.7K 10K 22K 22K 0.0022 0.1 0.

8、1 0.1 0.1 330 330 10K 10K 10K 22K 470 1K 680 100K 12340 World Trade Drive San Diego, CA 92128 (858) 487-1600 FAX 487-6629 REVISED BY: APPROVED: DRAWN BY:DATE: DATE: ASSY. DATE: ARVIN REV: REV: NO: PCB NO: C SYSTEM MASTER SX200 A.J. Ashley 30- 03201 80- 03201 10DEC01 D7 R G C51 + 0.1u R3 1K FS TIP Q24Q25 Q23 R34 R4 R33 +5 V CH2 ON CH1 ON CH1 ON 47K 47K 47K 5550 NPN D GND AT25160 HOLD SCK GND Vcc WP SO CS SI U4 6 4 3 2 1 7 8 5 +5 V +5 V R10 1K G G 收音机爱好者资料库 Ra d i o Fa n s .CN