Sharp CDC2900 Service Manual - Page 29

CD-C622/C2900 G01 G02 G03 G04 G05 G06 G07 G08 G09 G10 G11 P01 F F F CNP12 P21 7 - H TO CD SERVO PWB CNP806 P27 7 - G TO POWER PWB 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 R736 1K R737 1K R738 1K R739 10K R740 1K R741 1K R742 1K R743 1K R744 1K C706 1/50 89 90 91 92 93 94 95 96 97 98 99 100 G1 G2 G3 G4 G5 G6 G7 G8 G9 P10 P11 P1 1 1 VDD 2 DO 3 DI 4 CE 5 CLK 6 LCK1 7 R778 1K R777 1K R776 1K R775 1K R774 1K 8 R772 CD DSP RWC 9 1K IC701 IX0280AW RESET 10 X2 11 R771 1K C707 15P TEM CONTROL X1 12 XL701 C708 ROCOMPUTER VPP 13 4.19 MHz 18P 14 CD DSP WRQ 15 0 L:DEMOSTART 0 H:ECOSTART VDD 16 PCCL 17 CD DSP COIN 18 SQOUT 19 CD DSP CQCK 20 CD DSP RES 21 FRF(DRF) 22 SLD+ 23 LAY Y-CON 30 T2 RUN SLD- 24 AVSS 25 SPEANA3 26 R770 1K R769 1K R768 1K R767 1K R766 1K R765 1K R764 1K R763 1K R762 1K SPEANA2 27 SPEANA1 28 29 30 AVDD KEYIN1 KEYIN2 KEYIN3 U/D SW DNO SW VSS REMOCON SYS STOP O/C SW PUIN SW 42 41 40 39 38 37 36 35 34 33 32 31 R745 1K C709 +B 0.022 C710 220/10 +B R780 10K +B +B D722 1SS133 10K R748 10K R749 10K R750 10K R751 3.3K 2 R753 10K R754 10K +B R755 10K R756 10K R757 10K +B +B L702 100µH 5V BACK UP D723 1SS133 Q704 KRC102 M C712 3.3/50 2 3 1 C711 0.01 R711 4.7K IC704 KIA7042AP RESET 1 3 2 C713 0.022 C722 10/50 D721 1SS133 +B D720 +B 1SS133 D719 1SS133 RX701 R798 100 REMOTE SENSOR 1 2 3 +B 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 BI702 1 RWC(DSP) 2 WRQ(DSP) 3 CO IN(DSP) 4 SQ OUT(DSP) 5 CQ CK(DSP) 6 RES(DSP) 7 DRF(ASP) 8 D_GND 9 SLD+ 10 SLD- 11 PUIN SW 12 OPEN/CLOSE 13 DISC NO 14 UP/DOWN 15 PCCL CNS12 1 2 3 4 BI703 1 +5V 2 AC_RLY CON 3 UN_SW 5V 4 D_GND CNS806 SWITCH PWB-A4 +B RS711 +B 1.5K +B +B +B C723 0.1/50 D717 1SS133 R795 4.7K D718 1SS133 R797 100K NIGHT RIDER 6 NIGHT RIDER 7 RS706 LED706 470 SLI342YCB C714 0.022 C715 47/25 L1154GT4 LED707 C719 0.022 RS712 1.2K RD21 RD22 RD23 RD24 RD25 RD26 RD27 RD28 820 1.2K 1.5K 1.8K 2.2K 3.3K 3.9K 6.8K SW722 SW723 SW724 SW725 SW726 SW727 SW728 SW729 SW730 FF TUNING TUNING UP DOWN PLAY VOLUME DOWN VOLUME X-BASS/ UP DEMO EQUAL IZER DIMMER +B +B RD10 RD11 RD12 RD13 RD14 RD15 RD16 820 1.2K 1.5K 1.8K 2.2K 3.3K 3.9K SW710 SW711 SW712 SW713 SW714 SW715 SW716 SW717 +B REV REC MEMORY/ STOP TUNER/ VIDEO TAPE CD PAUSE SET BAND LED716 SLI342YCJ +B LED717 SLI342YCJ RD01 820 SW701 RD02 1.2K SW703 RD03 1.5K SW704 RD04 1.8K POWER CLOCK TIMER/ SLEEP STOP PLAY R787 1K R786 1K 8 8 +B FW702 1 1 +B +B RD05 RD06 RD07 RD09 2.2K 3.3K 3.9K 6.8K SW705 SW706 SW707 SW708 SW709 DISC1 DISC2 DISC3 DISC OPEN SKIP /CLOSE C718 47/25 VSS VDD DATA OE CLOCK Q11 LED701 NIGHT RIDER 1 L1154GT4 RS701 470 LCK Q10 Q0 Q9 NIGHT RIDER 2 LED702 SLI342YCB NIGHT RIDER 3 LED703 SLI342DCB RS702 470 RS703 470 RS704 470 RS705 470 Q1 Q8 18 17 16 15 14 13 12 11 10 1234 56 78 9 +B +B +B Q2 Q7 NIGHT RIDER 4 LED704 SLI342UCB RS707 Q3 Q6 470 NIGHT RIDER 5 Q4 Q5 LED705 SLI342DCB IC703 BU2092F INPUT/OUTPUT EXPANDER 7 8 9 10 11 12 Figure 29 SCHEMATIC DIAGRAM (10/10) - 29 -