Service Manuals, User Guides, Schematic Diagrams or docs for : Hyundai TV H-TV1403 H-TV1403 Datasheets la76818en

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Technical Note of LA76818                                                                                                               2001/02/08




LA76818 Application Note                                                                                                        Ver.e1(2001.1.18)


Table of Contents
TABLE OF CONTENTS...........................................................................................................................................1
    THE BUS CONTROL FUNCTIONS OF LA76818 (TENTATIVE ).............................................................................2
    PIN 1 (A UDIO OUTPUT )........................................................................................................................................12
    PIN 2 (FM OUTPUT )...............................................................................................................................................13
    PIN 3 (IF AGC FILTER)........................................................................................................................................14
    PIN 4 (RF AGC OUTPUT)..................................................................................................................................15
    PIN 5,6 (PIF AMP INPUT)..................................................................................................................................17
    PIN 7 (IF GROUND) ............................................................................................................................................17
    PIN 8 (IF VCC ) .......................................................................................................................................................17
    PIN 9 (FM FILTER) ..............................................................................................................................................18
    PIN 10 (AFT OUTPUT).......................................................................................................................................19
    PIN 11 (BUS DATA).............................................................................................................................................19
    PIN 12 (BUS CLOCK).........................................................................................................................................20
    PIN 13(ABL) ..........................................................................................................................................................20
    PIN 14, 15, 16 (R, G, B INPUT).........................................................................................................................21
    PIN 17(FAST BLANKING INPUT) ..................................................................................................................21
    PIN 18(RGB VCC ).................................................................................................................................................22
    PIN 19, PIN 20, PIN 21(R, G, B OUTPUT).....................................................................................................23
    PIN 22(FSC OUTPUT OR C-SYNC. OUTPUT ).........................................................................................................24
    PIN 23 (VERTICAL OUTPUT)..........................................................................................................................24
    PIN 24 (V RAMP ALC FILTER)........................................................................................................................25
    PIN 25 (HORIZONTAL / BUS VCC ).................................................................................................................26
    PIN 26(AFC FILTER)...........................................................................................................................................26
    PIN 27 (HORIZONTAL OUTPUT) ...................................................................................................................27
    PIN 28 (FBP INPUT)............................................................................................................................................28
    PIN29 (I REFERENCE )............................................................................................................................................29
    PIN 31( CCD VCC)................................................................................................................................................30
    PIN 32( CCD FILTER) .........................................................................................................................................31
    PIN 33(CCD & DEFLECTION GDN) ..............................................................................................................31
    PIN 36 (CHROMA APC2 FILTER)...................................................................................................................33
    PIN 37(CLAMP FILTER) ....................................................................................................................................33
    PIN 38(4.43MHZ CRYSTAL)..............................................................................................................................34
    PIN 39(CHROME APC1 FILTER).....................................................................................................................34
    PIN 40(SELECTED VIDEO OUTPUT)...........................................................................................................35
    PIN 41(VIDEO CHROME DEFLECTION GND).....................................................................................................35
    PIN 42(EXT VIDEO INPUT & Y INPUT IN S-VHS MODE)......................................................................35
    PIN 43(VIDEO CHROME DEFLECTION VCC)...........................................................................................35
    PIN 44(INT. VIDEO INPUT & CHROME SIGNAL INPUT IN S-VHS MODE)....................................36
    PIN 45(BLACK STRETCH FILTER)................................................................................................................36
    PIN 46 (VIDEO OUTPUT)..................................................................................................................................37
    PIN 47 (VCO FILTER)...........................................................................................................................................37
    PIN 48, 49 (VCO COIL).......................................................................................................................................38
    PIN 50 (PIF APC FILTER) ..................................................................................................................................39
    PIN 51 (EXT AUDIO INPUT)............................................................................................................................40
    PIN 52 (SIF OUTPUT).........................................................................................................................................40
    PIN 53 (SND APC FILTER)................................................................................................................................41
    PIN 54 (SIF INPUT)..............................................................................................................................................41
    STATUE REGISTER OF LA76818............................................................................................................................42
    LA76818 PIN A SSIGNMENT .................................................................................................................................43
    LA76818 BUS CONTROL RESISTOR BIT A LLOCATION M AP ...........................................................................44




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Technical Note of LA76818                                              2001/02/08




The BUS Control Functions of LA76818 (Tentative)

 Register Name                 Bits     General Description
 T Disable                      1 bits Disable the Test SW & enable Audio / Video Mute SW
This is a Test Mode Switch, which is used in IC production (in case of using IC tester
for measuring).
*If the bit of BUS is set as `0', it becomes Test Mode. Then the test functions below will
take active.

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