Hitachi LC57 Service Manual page 68

TC90103 (3/12)
Adjustment Adjustment Item
Mode OSD
TC90103 ANT/NTSC/480i
036 Demodulation Angle
00h 0° ~ 3Fh +45°
037 Color Killer Level
00h -40dB ~ 07h -30dB
038 ACC Level (ACC = Auto Color Level)
00h Min ~ 0Fh Max [08h: Center]
039 ACK Hysteresis (ACK = Auto Color Killer)
00h Small, 01h Large
040 2'nd BPF/TRAP on/off
00h ON, 01h OFF
041 2'nd BPF/TRAP bpf/trap
00h Trap, 01h BPF
042 TRAP1
00h ON, 01h OFF
043 TRAP2
00h ON, 01h OFF
044 Take Off Filter
00h OFF, 01h BPF ON,
02h Min ~ 07h Max
045
046 Y Digital Clamp
00h OFF, 01h ON
047 BSRC Filter
00h ON, 01h OFF
048 Chrominance Digital Clamp
00h OFF, 01h ON
049 Y Noise Cancel Limiter
00h 4lsb, 01h 8lsb, 02h 16lsb, 03h 32lsb
050 Y Noise Cancel Gain
00h OFF, 01h 1, 02h 1. 5, 03h
051 Chrominance Noise Cancel Limiter
00h 1lsb, 01h 2lsb, 02h 4lsb, 03h 8lsb
052 C Noise Cancel Gain
00h OFF, 01h 1, 02h 1. 5, 03h
053 Horizontal Dot Obstruction Reduction
00h OFF, 01h ×0. 16, 02h ×0. 17, 03h ×0. 18
054 COMB+
00h OFF, 01h ON
055 1 Line Dot Improvement
00h OFF, 01h ON
056 Vertical Y Noise Cancel Limiter
00h 8lsb, 01h 16lsb
057 Vertical Y Noise Cancel Gain
00h 1, 01h 2
BACK TO ADJUSTMENTS
Adjustment Initial Data(HEX)
Range(HEX) LC58E LC58 LC57
00~3F 00
00~07 00
00~0F 05
00~01 01
00~01 01
00~01 00
00~01 00
00~01 00
ANT (RF Input) 00~07 07
NTSC/480i 00~07 01
00~01 00
00~01 01
00~01 01
00~03 00
00~03 01
2
00~03 00
00~03 00
2
00~03 03
00~01 00
00~01 01
00~01 00
00~01 00
TC90103 (4/12)
Adjustment
Mode OSD
TC90103 ANT/NTSC/480i
058 Vertical Y ON
00h OFF, 01h ON
059 C NY Limiter
00h 16lsb, 01h 24lsb
060 C NC Gain
061 C-NC ON
00h OFF, 01h ON
062 IIR Filter
00h OFF, 01h ON
063 Output Peak Limiter
00h OFF, 01h ON
064 AFC Integrate Gain Switch
065 AFC Proportional Gain Switch
066 Linear Gain Switch at Phase Large Error
067 No Linear Area 2nd Gain Switch
068 Linear Gain Switch at Phase Small Error
069 Integrate Value Reset ON at Limit
00h OFF, 01h ON
070 Linear Area Width Setting
071 Sync Separation Input Select
00h Internal, 01h CsyncH,
02h CsyncL, 03h VsyncH,
04h Internal(OFF_SET), 07h Free run
072 AFC Integrate Relay
00h OFF, 01h ON
073 Phase Error Gain Up
00h ON, 01h 00×2, 02h 00×4, 03h 00×8
074 Phase Error Maximum Linear Area Width Setting
00h OFF, 01h LRW0 16'h5000,
02h LRW0 16'h6000, 03h LRW0 16'h7000
075 Horizontal Standard Phase Adjustment
20h -4. 7µs ~ 00h ±0 ~ 1Fh +4. 59µs
(1/6. 75MHz_Step)
076 Horizontal Separation Level
00h 30 , 01h 40
077 Half Horizontal Killer
00h OFF, 01h ON
68
Adjustment Item Adjustment
Range(HEX) LC58E LC58
00~01 01
00~01 00
00~01 00
00~01 00
00~03 00
00~01 00
00~0F 03
00~0F 07
00~0F 08
00~0F 0C
00~0F 05
00~01 01
00~07 04
00~07 00
00~01 01
00~03 03
00~03 01
00~3F 20
00~01 00
00~01 01
LC57
Initial Data(HEX)
LC57