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SHARP 21A70ST
Service Manual


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  • Contains Circuit Diagrams
  • Download
  • PDF Format
  • Complete manual
  • Language: English
Price: $4.99

Description of SHARP 21A70ST Service Manual

Complete service manual in digital format (PDF File). Service manuals usually contains circuit diagrams, printed circuit boards, repair tips, wiring diagrams, block diagrams and parts list. Service Manual ( sometimes called Repair Manual ) is used mainly by technicians.

If You just want to know how to use Your tv, video, mp3 player etc. You should look for Owner's Manual. After placing order we'll send You download instructions on Your email address.

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is part of the manual is very useful for repairing Here are circuit diagrams if there is damage, I recommend using this part of the a complete list of circuit boards and components

Text excerpt from page 7 (click to view)
14A-30MT 21A-70ST SERVICE NUMBER S01 S02 S03 S04 S05 S06 S07 S08 S09 S10 S11 S12 S13 S14 S15 S16 S17 S19 S20 S21 S22 S23 S24 M01 M02 M03 M04 M05 OP. ADJUSTMENT ITEM PICTURE TINT COLOR BRIGHTNESS SHARPNESS VERTICAL PHASE HORIZONTAL PHASE RF-AGC VERTICAL AMP VCO R CUT-OFF G CUT -OFF B CUT-OFF G GAIN B GAIN TRAP(3.58MHz) BALANCE Y-MUTE ENERGY SAVE OFFSET D.D.E. OFFSET LANGUAGE SELECT LANGUAGE MENU TUNER OPTION MTS LEVEL STEREO-VCO FILTER LOW SEPARATION HIGH SEPARATION OPTION 55 46 32 40 28 00 12 23 20 2C 00 00 00 7F 7F 00 20 00 20 03 00 01 00 0A 20 1C 20 1B 30 DATA INITIAL VALUE RANGE 00-7F 00-7F 00-7F 00-7F 00-3F 00-07 00-1F 00-3F 00-3F 00-7F 00-FF 00-FF 00-FF 00-FF 00-FF 00 or 01 00-3F 00,01,03 00-3F 00-1F 00-01 00-01 00-01 00-F 00-3F 00-3F 00-3F 00-3F 00-FF ADJUSTMENT CONTENTS

Must be set to "24" Must be set to "00" ~ "03"

Must be set to "00" Must be set to "20" "00" = Normal, "01" = No-Y, "03" = No Vertical Must be set to "19" Must be set to "03" Must be set to "01" Must be set to "01" Must be set to "00"

21A-70ST only

Must be set to "02" for 14A-30MT Must be set to "06" for 21A-70ST

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.
ADJUSTMENT PART REPLACED NECESSARY IC2001 IC201 UNNECESSARY NOTES

X X

Data is stored in IC2101. The adjustment is needed to compensate for characteristics of parts including IC201.

IC2101

X

Holding down both the CH-up/down buttons on the TV set in the service mode for more than 2 seconds will automatically write the above initial values into IC2101. Adjust items related to picture tube only.

CRT

X

Table - B

7

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