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2 VCR PART
2.1 KEY FEATURES OF VIDEO
1. LA71511M (QOP 80 PIN): LUMINANCE−CHROMINANCE AND NORMAL AUDIO PROCESSING IC
1) Applicable to Multi system: PAL-GBI, MESECAM, 4.43NTSC and NAP-GBI
2) Built-in NAP circuit to convert NTSC to PAL.
3) Normal audio signal processing circuit. (self-alignment for record bias)
4) Built-in SECAM discrimination circuit (MESECAM)
5) Built-in record and playback FM-EQ function (I
6) Y/C separation using built-in comb filter
7) Built-in switching circuit for 3 video/audio inputs
2
8) Serial control by I
C bus
9) Complete Adjustment free
10) Crosstalk reduction by CCD IC for exclusive use (Color Comb filter is unnecessary)
2. LA70011(4CH): PRE-AMP IC
1) AGC circuit is built in this IC (no record current adjustment is required)
2) playback envelopment detection circuit is built-in this IC for the purpose of auto tracking.
3. LC89977M: CCD DELAY LINE IC
1) Built-in Comb Filter function for color noise reduction
2) Built-in 1H Delay Line for luminance signal
4. TA1238N: L-SECAM COLOR SIGNAL PROCESSING IC
1) X-tal accuracy self-alignment
Bell-filter, anti-bell filter, band pass filter
2) 2 way control interface
2
I
C-BUS (#13:open)
Parallel (#13:open)
3) SECAM discrimination function on recording and L- SECAM discrimination
IC
AND ITS RELATIVES
2
C bus control)
39
3DQDVRQLF
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