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Teac CR-H250 Service Manual - 1  Specifications

Other manuals for CR-H250: Owner's Manual
Manual is about: CD/Receiver Micro-System

Summary of CR-H250

  • Page 1

    C cr r--h h225 50 0 service manual cd receiver effective : october, 2004 s-0130a notes ● pc boards shown are viewed from parts side. ● the parts with no reference number or no parts number in the exploded views are not supplied. ● as regards the resistors and capacitors, refer to the circuit diagram...

  • Page 2: 1  Specifications

    1 specifications −2− amplifier section output power .............................. 25 w/ch (6 ohms, 0.5 %,1 khz) input sensitivity ................................................ 300 mv/47k ohms frequency response ...................... 20 hz to 60,000 hz (+1/-3 db) tuner section fm section tuning ...

  • Page 3

    2 microcomputer pin functions −3− 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 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51 100 99 98 97 96 95 94 93 92 91 90 89 88 87 86 85 8...

  • Page 4

    −4− 256 bytes register file ram 4 kbytes st9 core 8/16 bits cpu interrupt management me mor y bu s rccu ext. Mem. Address data port0 ext. Mem. Address ports 1,9 re giste r bu s watchdog as ds rw wait nmi ds2 rw miso mosi sck ss a[10:8] a[21:11] a[7:0] d[7:0] st. Timer spi sda scl i 2 c bus flash 128...

  • Page 5

    −5− pin no pin name i/o 1 sm_ce o 2 vfd_blk o 3 dab_din i 4 dab_clk o 5 dab_dout o 6 nc - 7 nc - 8 stanby o 9 f_mute o 10 nc - 11 option1 - 12 option2 - 13 option3 - 14 gnd - 15 vdd1 - 16 option4 - 17 rtc_data i/o 18 rtc_clk o 19 rtc_p o 20 f_stb o 21 nc - 22 nc - 23 nc - 24 nc - 25 nc - 26 nc - 27 ...

  • Page 6

    −6− pin no pin name i/o 42 cd_open_m o 43 cd_rw o 44 cd_cce o 45 cd_buck o 46 nc - 47 nc - 48 cd_reset o 49 cd_power o 50 cd_stby o 51 nc - 52 nc - 53 nc - open motor control port cd control interface cd dsp ic chip enable port (active "l") cd dsp ic clock port cd reset output port (active "l") cd p...

  • Page 7

    −7− pin no pin name i/o function 83 p/f_clk o 84 pll_din i 85 pll_ce o 86 tuned_in i 87 stereo_in i 88 rds_data i 89 vss5 - 90 vdd5 - 91 oscin - 92 oscout - 93 reset i 94 hwosw1 - 95 sm_data0 o 96 sm_data1 o 97 sm_data2 o 98 sm_data3 o 99 sm_clk o 100 sm_reset o fip driver clock output port fip driv...

  • Page 8

    −8− p1 .7 p1 .6 p1 .5 p1 .4 p1 .3 p1 .2 p1 .1 p1 .0 p0.7/pg7 p0 .6/pg6 p0.5 /pg5 p0.4/pg 4 p0.3/pg3 p0.2/pg2 p0.1/pg1 p0.0/pg0 p2.7/taout p2.6/tacap p2.5/tack p2.4/tbpwm p2.3/daout p2.2/sck p2.1/si p2.0/so p5.7 p5.6/sdat p5.5/sclk vdd1 vss1 xout xin test p5.4 p5.3/rxd0 resetb p5.2/txd0 p5.1/rxd1 p5....

  • Page 9

    −9− i/o port and interrupt control sam88rc cpu 64k-byte rom 2064-byte ram osc/resetb 8-bit basic timer 8-bit timer /countera,b 8-bit timer/ counterc0,c1 16-bit timer /counter10,11 port 0 port 1 a/d port 2 p2.0-p2.7 x in x out resetb p2.7/taout p2.6/tacap p2.5/tack p3.6/tcout1 p2.4/tbout p3.4/t1out0 ...

  • Page 10

    −10− pin no. Name i/o description 5 vfd_cs o vfd stb port 6 vfd_clk o vfd clock port 8 vfd_data o vfd data port 10 data i update data port 11 clk i update clock port 12 vdd 1 - power input port 13 vss 1 - gnd 14 x out - 15 x in - 16 test i pull - down register connected internally 19 vfd_reset i vfd...

  • Page 11

    −11− 3 1 2 4 5 6 7 8 9 10 11 11 12 13 17 14 15 15 16 17 18 19 19 20 21 22 23 24 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 41 40 42 42 43 44 44 3 exploded views and parts list.

  • Page 12

    −12− exploded view list ref.No. Parts no. Description remarks 1 cgr1a345m7zg5 ornament,door 2 cgu1a347z window,fip 3 kgb1a047z badge,teac 4 cgk1a098ya volume knob assy 5 cgr1a346mbc22 ornament,ring 6 ckm1a144yc35 panel,front 7 cgl1a133 indicator,stand by 8 cgw1a386m7zg5 panel,sub 9 cbt1a495m7g5 cap,...

  • Page 13

    −13− 4 pc boards and parts list main pcb.

  • Page 14

    −14− power pcb.

  • Page 15

    Cd pcb assy ref.No. Parts no. Description cop11767c pcb,cd assy cup11767z pcb,cd cn10 kjp05ga19zm wafer,molex53014-0510 cn11 kjp06ga19zm wafer,molex53014-0610 cn12 kjp16gb113zg wafer,16p cn13 kjp17gb116zg wafer,gf120-17s-ls d102 hvd1ss133mt diode,1ss133t-77 ic10 hvitc9462f ic,tc9462f ic12 hvita2153f...

  • Page 16

    Power pcb assy (gather) ref.No. Parts no. Description cop11720b pcb,power assy cup11720y pcb,power cmc1a253 plate,earth cmh1a226 support,pcb hnvfs2020venice dab module,fs2020venice1.1 bk71 cmd1a387 bracket,pcb bk72 cmd1a387 bracket,pcb bk73 cmd1a387 bracket,pcb bk74 cmd1a387 bracket,pcb bn21 kjp06hb...

  • Page 17: 5  Included Accessories

    5 included accessories −17− included accessories ref.No. Parts no. Description remarks cqx1a941z owner's manual cartcrh250 remocon transmitter assy habaaam1.5v battery csa1a018z fm 1 pole ant csa1a020z am loop ant csa272 ant,dab t.