Sharp 14LK20A, Service Manual

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7
14LK20A
SERVICE
NUMBER
DATA
ADJUSTMENT CONTENTS
ADJUSTMENT ITEM
RANGE
INITIAL VALUE
S01 PICTURE 55 00-7F
S02 TINT 46 00-7F
S03 COLOR 32 00-7F
S04 BRIGHTNESS 40 00-7F
S05 SHARPNESS 28 00-3F Must be set to "24"
S06 VERTICAL PHASE 00 00-07 Must be set to between "0" and "03"
S07 HORIZONTAL PHASE 12 00-1F
S08 RF-AGC 2A 00-3F
S09 VERTICAL AMP 20 00-3F
S10 VCO 2C 00-7F
S11 R CUT-OFF 00 00-FF
S12 G CUT -OFF 00 00-FF
S13 B CUT-OFF 00 00-FF
S14 G GAIN 7F 00-FF
S15 B GAIN 7F 00-FF
S16 TRAP(3.58MHz) 00 00 or 01 Must be set to "00"
S17 BALANCE 20 00-3F Must be set to "20"
S18 C.C.POSITION 18 00-7F
S19 Y-MUTE 00 00,01,03 00=NORMAL, 01=No Y, 03=No VERTICAL
OP OPTION 80 00-FF Must be set to "08"
M01 MTS LEVEL 0A 00-0F
M02 STEREO-VCO 20 00-3F
M03 FILTER 1C 00-3F
M04 LOW SEPARATION 20 00-3F
M05 HIGH SEPARATION 1B 00-3F
IC2001
IC2101
X
CRT
X
IC201
Data is stored in IC2101.
Adjust items related to picture tube only.
Table - A
Holding down both the Ch-up/down buttons on the TV set at service mode for more than 2 seconds will automatically
write the above initial values into IC2101.
Table - B
The adjustment is needed to compensate for characteristics
of parts including IC201.
Holding down both the Ch-up/down bottons on the TV set in
the service mode for more than 2 seconds will automatically
write the above initial values into IC2101.
X
X
ADJUSTMENT
NECESSARY
UNNECESSARY
PART REPLACED NOTES