Service manual

20
LC-20C3U-S
8 I2C DATA 0 I
2
C bus control IC data write & read
I2C DATA WAIT Write & read execution
CBW 1 Chroma band pass setting
NOSEL 3 Comb filter setting
DDR 1 Comb filter setting
HDG 3 Comb filter setting
VDG 0 Comb filter setting
VPK 0 Comb filter setting
KILVL 08 08 Color killer level setting
KILHY 05 05 Color killer hysteresis setting
VSYNC DELAY 29 V sync phase setting
DVCO -720 DVCO setting
AUTO LCK 1 Line lock mode setting
Video adjustments (VPC settings)
Page Item Initial setting Function Adjust/modify
5 WF HPF- 00 LR HPF switch (Ultra-bass OFF)
MDB STR+ 45 MDB effect level setting (Ultra-bass ON)
MDB STR- 45 MDB effect level setting (Ultra-bass OFF)
MDB LMT+ -09 MDB limit value setting (Ultra-bass ON)
MDB LMT- -09 MDB limit value setting (Ultra-bass OFF)
MDB HMC+ 00 MDB harmonics effect setting (Ultra-bass ON)
MDB HMC- 00 MDB harmonics effect setting (Ultra-bass OFF)
MDB HPF+ 80 MDB bandwidth limit HPF cut-off frequency (Ultra-bass ON)
MDB HPF- 80 MDB bandwidth limit HPF cut-off frequency (Ultra-bass OFF)
MDB LPF+ 140 MDB bandwidth limit LPF cut-off frequency (Ultra-bass ON)
MDB LPF- 140 MDB bandwidth limit LPF cut-off frequency (Ultra-bass OFF)
6 WF(HP) LVL+ -08 WF(HP) level adjustment (Ultra-bass ON)
WF(HP) LVL- -15 WF(HP) level adjustment (Ultra-bass OFF)
WF(HP) FRQ+ 220 WF(HP) LPF cut-off frequency setting (Ultra-bass ON)
WF(HP) FRQ- 220 WF(HP) LPF cut-off frequency setting (Ultra-bass OFF)
WF(HP) HPF+ 02 LR(HP) HPF switch (Ultra-bass ON)
WF(HP) HPF+ 02 LR(HP) HPF switch (Ultra-bass OFF)
MDB(HP) STR+ 45 MDB(HP) effect level setting (Ultra-bass ON)
MDB(HP) STR- 45 MDB(HP) effect level setting (Ultra-bass OFF)
MDB(HP) LMT+ 00 MDB(HP) limit value setting (Ultra-bass ON)
MDB(HP) LMT- 00 MDB(HP) limit value setting (Ultra-bass OFF)
MDB(HP) HMC+ 00 MDB(HP) harmonics effect setting (Ultra-bass ON)
MDB(HP) HMC- 00 MDB(HP) harmonics effect setting (Ultra-bass OFF)
MDB(HP) HPF+ 50 MDB(HP) bandwidth limit HPF cut-off frequency (Ultra-bass ON)
MDB(HP) HPF- 50 MDB(HP) bandwidth limit HPF cut-off frequency (Ultra-bass OFF)
MDB(HP) LPF+ 150 MDB(HP) bandwidth limit LPF cut-off frequency (Ultra-bass ON)
MDB(HP) LPF- 150 MDB(HP) bandwidth limit LPF cut-off frequency (Ultra-bass OFF)
7 GEQ BAND01+ 0.0 Equalizer setting 1
GEQ BAND01- 0.0 Equalizer setting 1
GEQ BAND02+ –2.0 Equalizer setting 2
GEQ BAND02- –1.0 Equalizer setting 2
GEQ BAND03+ –0.5 Equalizer setting 3
GEQ BAND03- 0.5 Equalizer setting 3
GEQ BAND04+ –1.0 Equalizer setting 4
GEQ BAND04- –1.0 Equalizer setting 4
GEQ BAND05+ 0.0 Equalizer setting 5
GEQ BAND05- –2.0 Equalizer setting 5