SHARP DXV788W
Service Manual

DX-V788W
IC14 VHiES3883F/-1: Video CD Encoder (ES3883F)

DSC_D7 HSYN_B DSC_D6 VSYN_B

81 82 83 84

NC 3 78 VCC DWE# LA10 NC 4 77 VSS

VREF NC 29 52
50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31

DSC_D5 85 YUV7 86 YUV6 87 YUV5 88 YUV4 89 VCC 90 VSS 91 YUV3 92 DSC_D4 93 YUV2 94 DSC_D3 95 YUV1 96 DSC_D2 97 YUV0 98 DSC_D1 99 VSS 100

IC14
67 AUX06/VFD_DO AUX07/VFD_DI 14 DBUS0 LA0 MUTE 15 66 VCC DBUS1 LCS0# 65 ACAP VCC 16 DBUS2 LCS1# MCLK 17 64 VDAC DBUS3 LCS3# 63 VSSAV AUX08/VFD_CLK 18 DBUS4 LOE# TWS/SPLL_OUT 19 62 VSSAV

ES3883F

MIC2 MIC1 AOL + AOL AOR AOR + VCCAA VREFP VCM VSSAA AUX15/IR AUX14/SOS1 AUX13/SP RBCK/SER_IN AUX12/C2PO AUX11/RQ AUX10/SQCK RSD/SEL_PLL0 VCC VSS

DA0 LA9 VCC 5 76 NC DA1 LA8 DSC_C 6 75 VSS DA2 LA7 AUX00 7 74 XIN DA3 LA6 DSC_D0 8 73 VCC
AUX01 9 72 VSS DA4 LA5 XOUT DSC_S 10 71 DA5 LA4 RSTET_B 13 68 AUX05 DA8 LA1

DA6 LA3 AUX02 11 70 AUX03 AUX04 DCLK/EXT_CLK 12 69 DA7 LA2

DBUS5 LWR# AUX09/SQSO 61 YDAC 20 DBUS6 LD7 TSD 21 60 VCCAV
TBCK 22 59 VCCAV DBUS7 LD6 RSTOUT_B 24 57 VSSAV DBUS9 LD4 VSS 25 56 VSSAV DBUS10 LD3 VSS 26 55 COMP DBUS11 LD2 NC 27 54 RSET NC 28 53 VREFM VSS 80 2XPCLK 1

Figure 38-1 BLOCK DIAGRAM OF IC

NC 30

IC15 VHiES3880F/-1: Video CD Decoder (ES3880F)

VPP LA12 LA13 LA14 LA15 LA16 LA17 ACLK AOUT/SEL_PLL0 ATCLK ATFS/SEL_PLL1 DA9/DOE# AIN ARCLK ARFS TDMCLK TDMDR TDMFS CAS# VSS

80 79 78 77 76 75 74 73 72 71 70 69 68 67 6665 64 63 62 61 60 59 58 57 56 55 54 53 52 51 81 50 82 49 83 48 84 47 85 46 86 45 87 44 88 43 89 42 90 41 91 40 92 39 93 38 94 37 95 36 96 35 97 34 98 33 99 32 100 31 1 2 3 4 5 6 7 8 9 10 11 12 13 14 1516 17 18 19 20 21 22 23 24 25 26 27 28 29 30

RESET# AUX5

ES3880F

VSS AUX4 AUX3 AUX2 AUX1 AUX0 PCLK PCLK2X CPUCLK HSYNC VSYNC YUV7 YUV6 YUV5 YUV4 YUV3 YUV2 YUV1 YUV0 VDD

DBUS12 LD1 DBUS13 LD0 DBUS14 AUX7 51 VSSAA DBUS15 AUX6

VDD VSS NC 2 79 PCLK RAS# LA11

DBUS8 LD5 RWS/SEL_PLL1 23 58 CDAC

Figure 38-2 BLOCK DIAGRAM OF IC � 38 �

VSS VDD