Read Sharp XG-NV1E (serv.man18) Service Manual online
XG-NV1U
59
8-7-13. Subaddress 0C (DATA BYTE 103 to 096)
Gain control chrominance
FUNCTION
CONTROL BITS
AGC loop filter (LFIS) ; data bits D6 and D5
Slow time constant
LFIS1 = 0 ; LFISO = 0
Medium time constant
LFIS1 = 0 ; LFIS0 = 1
Fast time constant
LFIS1 = 1 ; LFIS0 = 0
Actual chrominance gain frozen
LFIS1 = 1 ; LFIS0 = 1
Color on (COLO) ; data bit D7
Automatic color killer
COLO = 0
Color forced on
COLO = 1
8-7-14. Subaddress 0D (DATA BYTE 111 to 104)
Standard/mode control
FUNCTION
CONTROL BITS
SECAM mode bit (SECS) ; data bit D0
Other standards
SECS = 0
SECAM mode
SECS = 1
Status byte select (SSTB) ; data bit D1
Status byte = 0 (see transmitter)
SSTB0
Status byte = 1 (see transmitter)
SSTB = 1
HREF position select (HRMV) ; data bit D2
HREF position as SAA7191 (8 LLC2 later)
HRMV = 0
HREF normal position
HRMV = 1
Real time outputs mode select (RTSE) ; data bit D3
PLIN switched to output pin (39)
ODD switched to output pin (40)
HL switched to output pin (39) VL switched to output pin (40)
TV/VCR mode select (VTRC) ; data bit D7
TV mode
VTRC = 0
VTR mode
VTRC = 1
RTSE = 0
8-7-15. Subaddress 0E (DATA BYTE 119 to 112)
I/O and clock control
CHRS = 1
FUNCTION
CONTROL BITS
General purpose switch (GPSW) ; data bit D0
Switches directly pin (64) GPSW (application dependent);
GPSW = 0
VBLKA = 0
GPSW = 1
Select chrominance input (CHRS) ; data bit D2
Controlled by BYPS (subaddress.06) normal position
CHRS = 0
Digital chrominance input switched to
second input channel
Out put enable YUV-data (OEYC) ; data bit D3
YUV bus high impedance/input
OEYC = 0
Output YUV-bus active
OEYC = 1
Output enable horizontal/vertical synchronization (OEHV) ; data bit D4
HS, HREF and VS high impedance/inputs
OEHV = 0
Output HS, HREF and VS active
OEHV = 1
Horizontal PLL clock (HPLL) ; data bit D7
PLL closed
HPLL = 0
PLL open, horizontal frequency fixed
HPLL = 1
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