SHARP XL-70V
Service Manual

XL-70V
IC11V NJM4555M BUFFER AMP.
7 6 5 8 4 -+ AUDIO_CLK MUTE VCC AUX7 AUX6 VCC ACAP +RST AUX5 1 2 3 R_CH A_GND L_CH A_12V

1 2 3 4

1 2 3 4 TO MAIN PWB

PCLK

VDAC VCC V_GND VSS VCC V_AMP Q12V

2 1

DSC_D0 VCC

VD_DO AUX1 VSS VD_DI DSC_STB XOUT BUSY AUX2 AUX3 SCK DCLK AUX4 VD_STB

1 2 3 4 5

XL100V 27MHz

27MHz

MCLK VDAC

80 79 78 77 76 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 PCLK2X VSS 81 DSC_D7 VSS DSC_CLK VSS VSSAV MIC2 50 VSS COMP MIC1 49 SQCK RSET AOL+ 48 SQSO VREFM VREF AOL- 47 AOR- 46 AOR+ 45 VCCA 44 VREFP 43 VCM 42 VSSA 41 AUX15 40 AUX14 39 LA18/AUX13 38 RBCK 37 AUX12 36 AUX11 35 AUX10 34 RSD 33 RSTOUT VSSAV VCC 32 VSS 31 TBCK VCCA AUX0 XIN AUX8 VSSAV CD TO MAIN PWB VSSA

AUX9 YDAC

82 HSYNC 83 DSC_D6 84 VSYNC 85 DSC_D5 86 YUV7 87 YUV6 88 YUV5 89 YUV4 90 VCC 91 VSS 92 YUV3 93 DSC_D4 94 YUV2 95 DSC_D3 96 YUV1 97 DSC_D2 98 YUV0 99 DSC_D1 TWS VSSAV TSD VCCA AUDIO_DATA 100 VSS 1 2 3 4 5

IC14V ES3883F VIDEO CD ENCODER

67

8

9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

Figure 17 BLOCK DIAGRAM (2/6) � 17 �

BCLK

LR

RWS CDAC