DAEWOO ELECTRONICS T008, Руководство по обслуживанию

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14
Bit1-0 Internal ADC 00:GND 01: R output 10: B output 11: Monitor RF AGC via ADC
26)SSM
Bit Function
Status
“
0
”
Status
“
1
”
Bit7-6 No use
Bit5-4 S Trap Frequency response Control HP/LP
For M
00:OFF 01:1dB HPF 10:-3dB LPF 11:-2dB LPF
Bit3-2 S Trap Q. for M 00: Q = 3 01:Q = 5 10:Q = 7 (Recommended) 11:Q = 9
SSM
Bit1-0 S Trap Group Delay Control for M 00:off 01:60ns 10:90ns 11:120ns
27)SYNC
Bit Function
Status
“
0
”
Status
“
1
”
Bit7-3 No use
Bit2 H sync judgement BUS TC3
Bit1 Fvcd_sync_separation level 40% 50%
SYNC
Bit0 Sync slice level for weak signal normal low
28)SYNB
Bit Function
Status
“
0
”
Status
“
1
”
Bit7 No use
Bit6 Reg.19H bit7 SY-DET-1 for 889x
Bit5 Reg.19H bit6 SY-DET-4 for 889x
Bit4 Reg.19H bit5 0 for 889x
Bit3 Reg.21H bit1 SY-DET-2 for 889x
Bit2 Reg.21H bit0 SY-DET-3 for 889x
Select the input IF signal level of Sync Lock detection. 00010: 0dB
00011: 0dB 10010: 0dB 10011: 0dB 10001:-4dB 10000:-8dB weak signal
others:Do not use
SYNB
(Sync
detecti
on
setting
for BB
On)
Bit1-0 Sel sync check mode for BB on 00:checking H-LOCK-1 flag(bit3 of r0) 01:checking H-LOCK-2
flag(bit4 of r1) 1x:checking VLOCK flag (bit7 of r1)
29)SYBF
Bit Function
Status
“
0
”
Status
“
1
”
Bit7 No use
Bit6 Reg.19H bit7 SY-DET-1 for 889x
Bit5 Reg.19H bit6 SY-DET-4 for 889x
Bit4 Reg.19H bit5 0 for 889x
Bit3 Reg.21H bit1 SY-DET-2 for 889x
Bit2 Reg.21H bit0 SY-DET-3 for 889x
Select the input IF signal level of Sync Lock detection. 00010: 0dB
00011: 0dB 10010: 0dB 10011: 0dB 10001:-4dB 10000:-8dB weak signal
others:Do not use
SYNB
(Sync
detecti
on
setting
for BB
Off)
Bit1-0 Sel sync check mode for BB oFF 00:checking H-LOCK-1 flag(bit3 of r0) 01:checking H-LOCK-2
flag(bit4 of r1)
1x:checking VLOCK flag (bit7 of r1)
30)SYSR
Bit Function
Status
“
0
”
Status
“
1
”
Bit7 No use
Bit6 Reg.19H bit7 SY-DET-1 for 889x
Bit5 Reg.19H bit6 SY-DET-4 for 889x
Bit4 Reg.19H bit5 0 for 889x
Bit3 Reg.21H bit1 SY-DET-2 for 889x
Bit2 Reg.21H bit0 SY-DET-3 for 889x
Select the input IF signal level of Sync Lock detection. 00010: 0dB
00011: 0dB 10010: 0dB 10011: 0dB 10001:-4dB 10000:-8dB weak signal
others:Do not use
SYNB
(Sync
detect
ion
settin
g for
searc
h/tuni
ng)
Bit1-0 Sel sync check mode for search/tuning 00:checking H-LOCK-1 flag(bit3 of r0) 01:checking H-LOCK-2
flag(bit4 of r1)
1x:checking VLOCK flag (bit7 of r1)
31)VCD0
Bit Function
Status
“
0
”
Status
“
1
”
Bit7-6 Audio Monitor Out 00:depend on Audio SW 01:TV 1X:mute
Bit5-4 C Trap MD 00: interlocking video SW 01: as 00 10: not interlocking C-trap off 11: not
interlock C-trap on
Bit3 Halftone Gain Main:OSD 30%: 70% Main:OSD 50%: 50%
Bit2 U/V Switch Cb/Cr, Cr input(#21)gain up,+3Db U/V
Bit1 Sharpness f0 frequency 2.75MHz 4MHz
VCDO
Bit0 Sync. skew switch OFF sync skew detection on