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Service Adjustments with Replacing Memory IC(IC802)
No. Item Range Data Description
93 VLOGIC STOP
0 ~ 1
0 Vertical count up logic stop
94 VBLK TEST
0 ~ 1
0 V blanking control
95 WIDE VBLK TOP
0 ~ F
0 Vertical blanking top adjustment 16:9
96 WIDE VBLK BOTTOM
0 ~ F
3 Vertical blanking bottom adjustment 16:9
97 OSD CONT CLIP LEVEL
0 ~ 3
1 Contrast control clip level of OSD mode
98 OSD CONT CLIP OFF
0 ~ 1
0 Contrast control clip switch of OSD mode
99 DRIVER (R)
0 ~ 7F
3F R OUT amplitude adjustment by 7 bits DAC
100 BLUE BACK 0 ~ 1 0 Blue back mode ON/OFF switch
101 DRIVER (B) 0 ~ 7F 3F B OUT amplitude adjustment by 7 bits DAC
102 WHITE BACK 0 ~ 1 0 White raster mode ON/OFF switch
103 TEST PATTERN 0 ~ 1F 0 SCREEN TEST MODE
104 PEAK ACL 0 ~ 1 0 PEAK ACL MODE ON / OFF
105 ABCL 0 ~ 1 0 ABCL ON / OFF Switch
106 ABCL GAIN 0 ~ 1 0 ABCL Gain Low / High Switch
107 DCT LEVEL 0 ~ 7 0 DC Transfer Level Control
108 DCT ON 0 ~ 1 0 DC Transfer select ON / OFF
109 COLOR CONTROL PAL 0 ~ 10 0 Color Saturation control (Offset Data of Color) for PAL
110 COLOR CONTROL NTSC 0 ~ 10 0 Color Saturation control (Offset Data of Color) for NTSC
111 COLOR CONTROL SECAM 0 ~ 10 0 Color Saturation control (Offset Data of Color) for SECAM
112 TAKE OFF
0 ~ 1
1 Chroma BPF / Take Off switch
113 C KILLER LEVEL 0 ~ 1 0 Color killer sensitivity threshold switch
114 COLOR SYSTEM 0 ~ F 0 Color system selector
115 443NT50 INHIBIT 0 ~ 1 1 Auto color system 443NTSC(50Hz)
116 FSC FREE 0 ~ 1 0 VCXO free-running mode switch ON/OFF
117 FORCE MONO 0 ~ 1 0 Monochrome mode switch
118 FORCE COLOR 0 ~ 1 0 Killer function ON/OFF switch only for manual color mode
129 COND KILLER EN 0 ~ 1 0 Condition Killer Sensitivity Enable
120 1/2FSC TRAP OFF 0 ~ 1 0 Half fsc Trap filer off
121 C BPF OFF
0 ~ 1
0 Chroma DDS OFF
122 CTI
0 ~ 1
1 Color Edge Timing Improvement
123 DDS OFF 0 ~ 1 0 Chroma Bandpass Filter OFF
124 ACC AMP ON 0 ~ 1 0 Chroma ACC AMP FUNCTION
125 C ANGLE 95 0 ~ 1 1 Chroma Demodulation Angle switch
126 RF DELAY ADJ 0 ~ 7F 2A RF AGC delay point adjustment
127 VIF SYNC ADJ 0 ~ 1 01 Enable VIF video out lamp
128 AFT DEFETAT 0 ~ 1 0 AFT OUT ON/OFF switch
129 VIF REEQ 0 ~ F 0 VIF frequency selector
130 VIF VIDEO OUT GAIN 0 ~ 7 3 VIF Video Detector output amplitude adjustment
131 VIF DEFEAT 0 ~ 1 0 VIF AGC gain
132 AFT REV 0 ~ 1 0 AFT polarity reverse
133 VIF POS 0 ~ 1 0 positive modulation mode
134 STRAP OFF 0 ~ 1 0 SOUND trap test mode switch
135 OM DET 0 ~ 1 0 Vertical frequency standard / non-standard detection
136 VIF AGC CLIP 0 ~ 1 0 VIF AGC sensitivity become low
137 AMF ON 0 ~ 1 0 VIF AGC CURRENT CHANGE ON/OFF switch
138 AMF VTH
0 ~ 7
0 VIF AGC CURRENT CHANGE FUNCTION INPUT LEVEL Adj.
Following table shows the initial values which have been stored in the CPU ROM, and items for the service adjustments.
Service mode adjustments table in CPU ROM
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