Sharp XG-NV1E (serv.man18) Service Manual ▷ View online
XG-NV1U
57
CKTQ4
CKTQ3
CKTQ2
CKTQ1
CKTQ0
-30 dB
1
1
1
1
1
↓
↓
↓
↓
↓
↓
-24 dB
1
0
0
0
0
↓
↓
↓
↓
↓
↓
-18 dB
0
0
0
0
0
8-7-9. Subaddress 08 CONTROL NUMBER1 (DATA BYTE 071 to 064)
Color killer threshold QUAM (PAL/NTSC)
8-7-7. Subaddress 06 (DATA BYTE 055 to 048)
Luminance control
8-7-8. Subaddress 07 (DATA BYTE 063 to 056)
Hue phase control HUEC
HUEC7
HUEC6
HUEC5
HUEC4
HUEC3
HUEC2
HUEC1
HUEC0
+178.6
0
1
1
1
1
1
1
1
↓
↓
↓
↓
↓
↓
↓
↓
↓
0
0
0
0
0
0
0
0
0
↓
↓
↓
↓
↓
↓
↓
↓
↓
-180
1
0
0
0
0
0
0
0
HUE PHASE (DGGNEES)
CONTROL BITS
CONTROL BITS
THRESHOLD
(reference is nominal burst amplitude = 0dB)
FUNCTION
CONTROL BITS
Aperture factor (APER) ; data bits D1 and D0
0
0
APER1 = 0 ; APER0 = 0
1
0.25
APER1 = 0 ; APER0 = 1
2
0.5
APER1 = 1 ; APER0 = 0
3
1.0
APER1 = 1 ; APER0 =1
Corner correction (CORI) ± LSBs in 8-bit ; data bits D3 and D2
0
0(OFF)
CORI1 = 0 ; CORI0 = 0
1
1
CORI1 = 0 ; CORI0 = 1
2
2
CORI1 = 1 ; CORI0 = 0
3
3
CORI1 = 1 ; CORI0 = 1
Aperture bandpass ; centre frequency (BPSS) ; data bits D4 and D5
4.6MHz (50Hz)
3.8MHz (60Hz)
BPSS1 = 0 ; BPSS0 = 0
4.3MHZ (50Hz)
3.4MHz (60Hz)
BPSS1 = 0 ; BPSS0 = 1
3.0MHz (50Hz)
2.5MHz (60Hz)
BPSS1 = 1 ; BPSS0 = 0
3.2MHZ (50Hz)
2.7MHz (60Hz)
BPSS1 = 1 ; BPSS0 = 1
Prefilter active (PREF) ; data bit D6
Bypassed
PREF = 0
Active
PREF = 1
Chrominance trap bypass (BYPS) ; data bit D7
Active
CVBS mode
BYPS = 0
Bypassed
S-Video mode
BYPS = 1
XG-NV1U
58
CKTS4
CKTS3
CKTS2
CKTS1
CKTS0
-30 dB
1
1
1
1
1
↓
↓
↓
↓
↓
↓
-24 dB
1
0
0
0
0
↓
↓
↓
↓
↓
↓
-18 dB
0
0
0
0
0
8-7-10. Subaddress 09 CONTROL NUMBER2 (DATA BYTE 079 to 072)
Color killer threshold SECAM
CONTROL BITS
THRESHOLD
(reference is nominal burst amplitude = 0dB)
8-7-11.
Subaddress 0A (DATA BYTE 087 to 080)
PAL switch senslitivity
PLSE7
PLSE6
PLSE5
PLSE4
PLSE3
PLSE2
PLSE1
PLSE0
Low
1
1
1
1
1
1
1
1
Medium
1
0
0
0
0
0
0
0
High
(1)
0
0
0
0
0
0
0
0
SENSITIVITY
CONTROL BITS
Note:
1. Sensitivity HIGH means immediate sequence correction.
SESE7
SESE6
SESE5
SESE4
SESE3
SESE2
SESE1
SESE0
Low
1
1
1
1
1
1
1
1
Medium
1
0
0
0
0
0
0
0
High
(1)
0
0
0
0
0
0
0
0
SENSITIVITY
CONTROL BITS
8-7-12. Subaddress 0B (DATA BYTE 095 to 088)
SECAM switch sensitivity
Note:
1. Sensitivity HIGH means immediate sequence correction.
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
XG-NV1U
60
8-7-16. Subaddress 0F (DATA BYTE 127 to 120)
Control number1
FUNCTION
CONTROL BITS
Luminance delay compensation ; steps in 2/LLC (YDEL) ; data bits D2, D1 and D0
0 steps
YDEL2 = 0 ; YDEL1= 0 ; YDEL0 = 0
3 steps
YDEL2 = 0 ; YDEL1 = 1 ; YDEL0 = 1
-4 steps
YDEL2 = 1 ; YDEL1 = 0 ; YDEL1 = 0
Enable or disable of sync and clamp pulses ; HSY and HCL (SCEN) ; data bit D4
Disable sync and clamp (set to HIGH)
SCEN = 0
Enable sync and clamp
SCEN = 1
SECAM cross color reduction (SXCR) ; data bit D5
Reduction off
SXCR = 0
Reduction on
SXCR = 1
Field selection (FSEL) ; data bit D6
50 Hz, 625 lines
FSEL = 0
60 Hz, 525 lines
FSEL = 1
Automatic dield detection (AUFD) ; data bit D7
Field state directly controlled via FSEL
AUFD = 0
Automatic field detection
AUFD = 1
8-7-17. Subaddress 10 (DATA BYTE 135 to 128)
Control number2
FUNCTION
CONTROL BITS
Vertical noise reduction (VNOI) ; data bits D2, D1 and D0
Normal mode
VNOI1 = 0 ; VNOI0 = 0
Search mode
VNOI1 = 0 ; VNOI0 = 1
Free running mode
VNOI1 = 1 ; VNOI0 = 0
Vertical noise reduction bypassed
VNOI1 = 1 ; VNOI0 = 1
HREF select HRFS (HRFS) ; data bit D2
HREF matched to YUV output
HRFS = 0
HREF matched to CVBS input
HRFS = 1
CHCV7
CHCV6
CHCV5
CHCV4
CHCV3
CHCV2
CHCV1
CHCV0
Maximum
1
1
1
1
1
1
1
1
CCIR-level for PAL
0
1
0
1
1
0
0
1
CCIR-level for NTSC
0
0
1
0
1
1
0
0
Minimum
0
0
0
0
0
0
0
0
REFERENCE VALUE
CONTROL BITS
8-7-18. Subaddress 11 (DATA BYTE 143 to 136)
Chrominance gain reference value
SATN7
SATN6
SATN5
SATN4
SATN3
SATN2
SATN1
SATN0
1.999 Maximum
0
1
1
1
1
1
1
1
1 CCIR-level
0
1
0
0
0
0
0
0
0 color off
0
0
0
0
0
0
0
0
-1 inverse chrominance
1
1
0
0
0
0
0
0
-2 inverse chrominance
1
0
0
0
0
0
0
0
GAIN
CONTROL BITS
8-7-19. Subaddress 12 (DATA BYTE 150 to 144)
Chrominance saturation control
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