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SHARP 21HFG5RU
Service Manual


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

Description of SHARP 21HFG5RU 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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Text excerpt from page 11 (click to view)
HORIZONTAL, VERTICAL, DEFLECTION LOOP and FOCUS SCREEN, WHITE BALANCE, SUB-BRIGHTNESS & SUB-CONTRAST (1 ) ADJUSTMENT

No. point Adjustment condition/procedure Waveform or others No. point Adjustment condition/procedure Waveform or others

H-SHIFT 1) Receive Monoscope Pattern Signal (PAL 50 Hz) 1 SCREEN 1) In window pattern signal condition. Note 1:
2

(I C BUS R-CUTOFF(R-C)UP RC key "1"(HEX 80) ADJUSTMENT 2) Go to service mode, then select V00.
A B (to be done to spec of A=B (as attach drawing) G-CUTOFF(G-C)UP RC key "2"(HEX 40)

2

2) Choose the service data V13. CONTROL) 3) Adjust the V13 bus data to have a balance position (I C BUS 3) By pressing R/C S-Mute(Hex E8), R-D auto R-CUTOFF(R-C)DOWN RC key "4"(HEX 20)

CONTROL) B-D to 63, R-C auto switch after purity 4) If cannot make it to A=B, adjust from the best point G-C 127, B-C auto switch to G-CUTOFF(G-C)DOWN RC key "5"(HEX A0) adj) so that B slightly smaller than A. 127, Sub-Brightness V06 auto switch to 127. B-CUTOFF(B-C)UP RC key "3"(HEX C0) off condition. R-DRIVE(R-D)UP RC key "7"(HEX E0)

B-CUTOFF(B-C)DOWN RC key "6"(HEX 60) Y-mute & Vertical off, screen will be in vertical cut-

2 V-SHIFT 1) Receive Monoscope Pattern Signal (PAL 50 Hz) A B 4) Adjust the Screen so that cut-off line appear in low R-DRIVE(R-D)DOWN RC key

bright, 2) Choose the service data V12. then judge that whether the cut-off line2 appear(I "Flashback"(HEXC E4)BUS CONTROL) 3) Adjust V12 bus data to have a most acceptable Red Green or Blue colour, in this condition B-DRIVE(B-D)UP RC key "8"(HEX 10) (to be done vertical position, the monoscope pattern should B-DRIVE(B-D)DOWN RC key "0"(HEX 50) between R-C G-C & B-C, fix data of the colour after purity be Balance in vertical position. appear in cut-off line and adj the other two cutadj) Note: B line (monoscope middle line) must off data(Note1) so that cut-off line colour become OK NG

same or nearest higher position to A white. mark (tube middle mark) refer to attach drawing.

3 V-SIZE 1) Receive Monoscope Pattern Signal (PAL 50 Hz)

(I C BUS 2) Choose the service data V11.

5)Turn the screen VR of FBT so that cut-off line just disappear and use R/C by pressing key S-Mute (Hex E8) to disable the Y-mute & V-cut so that picture appear in normal mode. 2

CONTROL) 3) Adjust V11 bus data until the overscan become (to be done 10 ± 1.5 % WINDOW PATTERN SIGNAL WHITE BALafter purity, Caution1: Pls aging TV more than 10 minutes V-shift adj) before adjustment.

1) WHITE (HIGH BEAM) ( In Window Pattern Signal)
White Dark Caution2: for H-shift V-shift & V-size adj, after

2

adj pls switch to Monoscope pattern

signal (NTSC 60 Hz) to confirm all positions are the same.
5.5% 50% 9.5% IRE

11
11-1 11-2

ANCE ADJ First use Minolta Colour Analyzer CA100, let the gun (to be done point at Dark White position ( as drawing attach), after screen Adj V06 until LUMINANCE Y become 5 cd/m2, then White adj) let the gun point at White position ( as drawing (I C BUS attach), Adj V04 until LUMINANCE Y become 200 2 CONTROL) cd/m2. Adj R-D & B-D until the axis of colour

SHARPNESS Signal using W/B Pattern

4 SUB*Note : Focus 1) Receive the "Monoscope Pattern" signal.

temperature become. 1) Confirm Service data V08 is 43. ** X=300, Y=310 7500 K

5 equivalent.

2) Press R/C to set Picture NORMAL condition.

temperature shift away from the data adjusted Window Pattern Signal output 3) Adjust focus control to get the best focusing. in step 1, adjust R-C,G-C & B-C but between them, level are as above. first colour appears in Screen adj item 1)-4 is fixed, adj other two so that to obtain the similar axis as above. **Repeat steps 1 & 2 to get a regulated position.

Generator SX-1006 (IWATSU) or 2) DARK WHITE (LOW BEAM) (In Window Pattern Signal) Let gun point at Dark White position, if the colour

21H-FG5RU

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