Sharp CDC2900 Service Manual - Page 28

CD-C622/C2900 A DISPLAY PWB-A3 F F F P22 P21 P20 P19 P18 P17 P16 P15 P14 P13 P12 P11 P10 FL701 FL DISPLAY 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 P09 P08 P07 P06 P05 P04 P03 P02 P01 G11 G10 G09 G08 G07 G06 G05 G04 B R721 100K R722 100K R723 100K Q705 2SC3331 Q706 2SC3331 Q707 2SC3331 C720 47/50 CNS701 R706 1K R707 1K R708 1K CLK 1 C DO 2 CE 3 DI 4 A_GND 5 VF1 6 VLOAD (-VP) 7 VF2 8 SPN_P 9 P25 12 - E HI_CUT 10 CNP701 S.MUTE 11 TO MAIN PWB SP_DET 12 SP_RLY 13 T_T1 T2 14 T_BIAS 15 REC/PLAY 16 D D_GND 17 12V M 18 +B SPA SIG 19 -15V 20 5V 21 -B +B R716 33 R717 10K C702 1/50 R701 1K R702 1K R703 1K R705 1K R709 1K R712 22K R713 1K R714 1K R715 1K 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 G4 G5 G6 G7 G8 G9 P10 P11 P1 P2 P3 P4 P5 P6 P7 P8 P9 80 79 VLOAD 78 P11 77 P12 76 P13 80 P10 1 VDD 75 P14 74 P15 73 P16 72 P17 71 P18 70 P19/DIST1 69 P20/DIST2 68 P21/DIST3 CD IC701 IX0280AW SYSTEM CONTROL MICROCOMPUTER 67 P22/DIST4 66 NC DISTOUT 65 SPN_P 64 SP_DET CD D DIST0 L:DEMOSTART DIST0 H:ECOSTART 63 SPRLY CD D 62 61 HI-CUT CD D 60 CD 59 58 S MUTE 57 56 55 DIST0 52 REC/PLAY 51 AC RLY-CON 30 T2 RUN 54 T_T1T2 53 T-BIAS 52 51 FPA TIFAS CAM SW VDD T_MOT T_SOL TIMER LED U/D SW DNO SW VSS REMOCON SYS STOP O/C SW PUIN SW AVDD 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 2.2K 2.2K 1.8K 1K 1K R738 1K R739 10K R740 1K R741 1K R733 R734 R735 R736 R737 R730 1K R731 1K R732 1K R719 10K R720 10K R724 10K R726 10K R727 10K LED722 R747 SLI342UCJ 10K R748 10K R749 10K R750 10K +B +B E -B -B R562 R575 R574 390K 330 330 R551 10K C551 270P R556 33K R558 68K C557 270P C559 0.0027 R553 12K C553 0.0027 D551 1SS133 R564 390K R568 220K 2 4 3 1 R570 220K 5 8 6 7 IC563 KIA4558P OPE AMP. C567 2.2/50 D554 1SS133 C566 2.2/50 D555 1SS133 SPEANA3 R578 100K +B SPEANA2 R579 100K +B R566 2.2M F R555 56K C555 0.0068 R560 470K C556 C561 0.0068 0.022 R572 2.2M 2 3 4 -B D556 1SS133 SPEANA1 +B 1 R580 100K R567 270K 5 C568 8 2.2/50 R758 1.2K 6 7 R561 C562 15K 0.022 R573 IC562 +B 560K KIA4558P C569 0.022 C563 0.022 OPE AMP. TAPE MECHANISM PWB-E +B ZD551 MTZJ6.2C CNPM1 FWM1 2+ M MM1 - 2 4 PHM1 RUN PALS G TAPE MOTOR 1 SENSOR 3 1 2 1 MOTOR 2 SWM3 F.P. SWM4 F.A.S CNPM2 SOLM1 SOLENOID SWM5 CAM FWM2 3 4 5 6 3 4 5 6 GND +12V T2 RUN 7 8 7 8 FPA 9 10 11 12 9 10 11 12 T1 RUN SOLENOID CAM SW CNSM1 R759 10K +B +B 12V R760 Q702 10K KTA1273 Y +B 12V 0V Q703 KTA1271 Y C705 47/25 12V 0V D716 12V 1SS133 +B +B R752 10K R753 10K R754 10K +B +B R755 10K R756 10K R757 10K +B +B MOTOR GND +12V T2 RUN FPA T1FAS SOLENOID CAM SW +B 1 2 3 4 5 6 7 8 BI701 LED7 +B LED71 H • NOTES ON SCHEMATIC DIAGRAM can be found on page 15. 1 2 3 4 5 6 Figure 28 SCHEMATIC DIAGRAM (9/10) - 28 -