SHARP 81FW57E Repair Manual

$7.99

SHARP 81FW57E - It's a complete service manual, and it's in PDF format. It contains circuit diagrams ( schemas ) etc. It also usually contains parts catalog. After placing order we'll send You download instructions on Your email address. See below for delivery information

The manual is available only in language(s): English

Link to manual will be sent on Your email address after You place order.

This product was added to our catalog on Monday 07 May, 2007.

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70FW57E

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Adam Solitro - 12/24/2007

Hi guys, Thank you for the fast and reliable service that your company offers. Great Work :)

Othmar Herbst - 01/13/2008

PDF contains : - schematics, but a little un-sharp. - disassembly instructions, accurate drawings - description of test-modes

Gaspar Lovas - 11/03/2009

That's all right, thank you for all your trouble. Yours sincerely GL

matt wilschke - 03/07/2008

Essential for popping the top open and cleaning and replacing what needs repalced. One note: the Ornamental Panel is attached with some adhesive as well as screws and faders so don't be shy about prying it open.

Steve Fink - 07/24/2006

Nice, really nice. I was happy to receive manual in true electronic form, instead of scanned original. This manual includes: Wiring diagram, circuit diagram, block diagram, PC board, adjustment, exploded view, PARTS CATALOG and more.. It's full color manual, not B&W or grayscale :)

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Click to see text excerpt from the manual

70FW-57E
81FW-57E
SERVICE ADJUSTMENTS
All the adjustments required for this chassis will be done in Service Mode, except G2 and Focus.
""""" G2 ADJUSTMENT
1. Receive cross hatch pattern signal.155 V
2. Set contrast to 80/100 and brightness to 40/100.
3. Connect the oscilloscope to the red cathode and adjsust G2 to read
155 V on the cut pulse level as in the drawing:
NOTE:
CH1 gnd
Oscilloscope should be adjusted for vertical TV field trigger and synchronized
with wideo signal.
""""" SERVICE MODE FUNCTION
This mode function is provided to assist with the settings of those adjustments that may vary from one
Picture Tube to another, or between models.
In order to use the Service Mode:
CH
1. Connect Test Pattern signal to antenna terminal.
2. Press main switch to ?OFF?.
3. Press volume-down and channel-up buttons and
1
main switch to ?ON? simultaneously.
4. Service mode is now entered.2
The required adjustments can then be made from the Remote Control Unit.
The only buttons required are the following:
Up/Down-channel for movement in adjustment options menu; Up/Down-volume are used to carry out an
adjustment in said menu; ON/OFF is used to memorize a new adjustment.
Adjustment menu is as follows:
-SERVICE SOFTWARE AND HEXADECIMAL-GREEN GAIN.
COUNTER DISPLAY: ?SW ON XXXX SW OFF -GREEN CUT OFF.
XXXX HOURS ON XXXX-BLUE GAIN.
-HORIZONTAL SHIFT.-BLUE CUT OFF.
-EAST WEST WIDTH.-ALTER NVM PAGE / ALTER NVM POSITION /
-PIN PHASE.ALTER NVM VALUE.
-PIN AMP.-TELETEXT MIX MODE CONTRAST.
-UPPER CORNER CORRECTION.-TELETEXT CONTRAST.
-LOWER CORNER CORRECTION.-OSD CONTRAST.
-VERTICAL LINEARITY.-DVCO ADJUSTMENT (Only PAL).
-VERTICAL AMPLITUDE.-DVCO ADJUSTMENT (Only NTSC).
-S CORRECTION.-AGC ADJUSTMENT.
-VERTICAL SHIFT.-AFT ADJUSTMENT (BG-I-L)
-RED GAIN.-AFT ADJUSTMENT (L?)
-RED CUT OFF.-OPC VALUE (Not Available in this model).
-AUTOINSTALLATION ON/OFF.
To exit service mode, press main switch ot OFF.
Adjustment menu is as follows:
All adjustments for Geometries are based on internal pattern (fig.1)
The procedure for making adjustments is as follows:
Horizontal:-Adjust LOWER CORNER CORRECTION.
-Adjust HORIZONTAL SHIFT.Vertical:
-Adjust E-W WIDTH.-Adjust VERTICAL AMPLITUDE.
-Adjust PIN PHASE.-Adjust S-CORRECTION.
-Adjust PIN AMPLITUDE.-Adjust VERTICAL SHIFT.
-Adjust UPPER CORNER CORRECTION.-Adjust VERTICAL LINEARITY.
Fig.1
4