Features; Pin Connections And Short Descriptions - Sharp 29LF-92E Service Manual

13.4.2.Features

Video Decoding and Processing
– four CVBS, one S-VHS input, one YC
– integrated high-quality A/D converters and associated clamp and AGC circuits
– adaptive 2H comb filter Y/C separator
– multistandard colour decoder PAL/NTSC/SECAM including all substandards
– multistandard sync decoder
– automatic standard recognition
– black-line detector
– linear horizontal scaling (0.25...4), as well as nonlinear horizontal scaling " Panoramavision"
– black-level expander
– dynamic peaking
– soft limiter (gamma correction)
– colour transient improvement
RGB Processing and Deflection
– programmable RGB matrix
– two analog RGB / Fastblank inputs
– half-contrast switch
– picture frame generator
– scan velocity modulation output
– high-performance H/V deflection
– separate ADC for tube measurements
– EHT compensation
– angle and bow correction
– one 20.25 MHz crystal, few external components
–I 2 C-Bus Interface
– 64-pin PSDIP package

13.4.3.Pin Connections and short descriptions

NC = not connected
X = obligatory; connect as described in circuit diagram
OUT = Output
Pin no Pin name Type
PSDIP 64-pin
1 TEST IN
2 RESQ IN
3 SCL IN/OUT
4 SDA IN/OUT
5 GNDD SUPPLY
6 HCS IN
7 FSY OUT
8 CSY OUT
C component input
R B
LV = if not used, leave vacant
IN = Input
SUPPLY = Supply Pin
Connection Short description
(if not used)
GNDD Test Input
X Reset Input
2
X I C Bus Clock
2
X I C Bus Data
X Digital Ground
LV Half Contrast Switch Input
LV Front Sync Output
LV Composite Sync Output