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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
Service Adjustments with Replacing Memory IC(IC801)
DATA INITIAL
No. ITEM RANGE SETUP DESCRIPTION
DATA
91 IFTEST1 0, 1 0 IF Test 1
92 TRAPT 0~7 4 Sound Trap-Test
93 H-FRQ 0~63 35 Horizontal Frequency
94 FBTS 0, 1 0 FBPBLK Switch
95 COOP 0~7 4 Color Killer Option
96 HBLKL 0~7 1 H-Blanking Control Left
97 HBLKR 0~3 2 H-Blanking Control Right
98 AFCRF 0, 1 0 RF AFC Gain & gate Adj.
99 VSURF 0, 1 0 RF VSync. Separation sensitivity
100 CDMRF 0~7 0 RF Vertical count down circuit Adj.
101 AFCAV 0, 1 1 AV AFC Gain & gate Adj.
102 VSUAV 0, 1 0 AV VSync. Separation sensitivity
103 CDMAV 0~7 0 AV Vertical count down circuit Adj.
104 HLVDRF 0, 1 1 H Lock, V Det.
105 HLVDAV 0, 1 1 H Lock, V Det.
106 VTEST 0~3 0 Select Vertical DAC test mode
107 VCOTEST 0~15 0 IF VCO free run Freq. Adj.
108 C.VCOADJ 0~7 4 Control free run Freq. of Chroma VCO
109 VCOFREQ 0~255 40 ES Sample IF VCO Freq. Adj.
110 CROSS-BW 0~3 0 Pattern Output
111 AVNCON 0~127 64 AV non-signal Contrast
112 AVNBRI 0~127 64 AV non-signal Brightness
113 POMT 0~127 25 Power Mute Time
114 CHMT 0~31 10 Channel Change Mute Time Adj.
115 SYST 0~15 5 The number of times that a color sys-
tem AUTO is judged
116 S-STE 0~3 0 Stereo/Mono Option, 0=Mono,
1=Simple AV Stereo, 2,3=AV Stereo
117 VOLTBL 0, 1 1 Volume Table Select
118 MPP 0, 1 0 Multi Personal Preference function
on/off 0=without M.P.P., 1=with M.P.P.
119 TUNER 0, 1 0 Tuner Option
120 BOOSTER 0, 1 0 Booster Option
121 OPT AVIN 0~3 0 AV1/AV2/AV3 Option, 0=AVonly,
1=AV1,AV2, 2~3=AV1, AV2, AV3
122 OPT POS 0, 1 1 Programme number option, position
No. Option, 0=100 pos., 1=256 pos.
123 LANGUAGE 0, 1 1 Language Option, 0=without la-
nguage, 1=with language
124 OPT COL 0, 1 0 Color System Option
125 OPT SIF 0, 1 1 SIF System Option
126 OPT BASS 0~3 0 BASS Expander Option, 0=without BASS,
1~2=BASS EXPANDER, 3=WOOFER
127 OPT SURR 0, 1 1 Surround Option
128 OPT BLBK 0, 1 1 Blue Back Option
129 AUDGAIN 0~7 0 Gain Control LV1116
130 L/RGAIN 0~7 6 L/R Output Gain Control LV1116
DATA INITIAL
No. ITEM RANGE SETUP DESCRIPTION
DATA
300 R00 0~255 0 ROM Correction
301 R01 0~255 0 ROM Correction
302 R02 0~255 0 ROM Correction
303 R03 0~255 0 ROM Correction
376 R76 0~255 0 ROM Correction
377 R77 0~255 0 ROM Correction