21JF2-SF Datasheet PDF - Sharp
| Part Number | 21JF2-SF | |
| Description | COLOUR TELEVISION | |
| Manufacturers | Sharp | |
| Logo |  |
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There is a preview and 21JF2-SF download ( pdf file ) link at the bottom of this page. Total 30 Pages | ||
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21JF2-RU/GA/SA/SF/SS
SERVICE MANUAL
No. S95O521JF2-RU
COLOUR TELEVISION
Chassis No. GA-4M
21JF2-RU
21JF2-GA
21JF2-SA
21JF2-SF
MODELS 21JF2-SS
In the interests of user-safety (Required by safety regulations in some countries) the set should be restored to its original condition and
only parts identical to those specified should be used.
FEATURES
ع Multi 18 Systems
ع Front AV IN & Rear AV IN / OUT Terminals
ع Full Auto Channel Preset and Auto Channel Skip ع Front Headphone Jack
ع 100-CH Program Memory
ع Aperture Control Circuit
ع CATV (Hyper Band) Ready
ع Auto Fine Tuning
<Used Frequency Synthesizer Tuner> ع NTSC Colour Comb Filter (AV THRU)
ع Black Stretch Circuit
ع High Contrast Picture
ع On Timer / Off Timer / Reminder Timer ع Hotel Mode
ع Blue Back Function
ع White Temperature Select
ع Multi Languages OSD
(ENG / CHI / FRE / MAL / ARA / RUS)
for Model 21JF2-SF / SS Only.
(ENG / CHI / FRE / MAL / ARA)
for Model 21JF2-GA / SA Only.
(ENG / RUS)
for Model 21JF2-RU Only.
ع MONO
CONTENTS
CHAPTER 1. SPECIFICATIONS
[1] SPECIFICATIONS ........................................ 1-1
[2] BLOCK DIAGRAM: HEADPHONE UNIT........8-1
[3] BLOCK DIAGRAM: MAIN UNIT ....................8-2
CHAPTER 2. IMPORTANT SERVICE NOTES
[1] IMPORTANT SERVICE NOTES ................... 2-1
www.DataSheCeHt4AU.PcoTmER 3. ADJUSTMENT PRECAUTIONS
[1] ADJUSTMENT PRECAUTIONS ................... 3-1
[2] ADJUSTMENT ............................................ 3-14
CHAPTER 4. MEMORY MAP
[1] MEMORY MAP ............................................. 4-1
CHAPTER 5. TROUBLE SHOOTING FLOWCHART
[1] TROUBLE SHOOTING FLOWCHART ......... 5-1
CHAPTER 6. SOLID STATE DEVICE BASE DIA-
GRAM
[1] SOLID STATE DEVICE BASE DIAGRA.M....... 6-1
CHAPTER 7. CHASSIS LAYOUT
[1] CHASSIS LAYOUT ....................................... 7-1
CHAPTER 9. DESCRIPTION OF SCHEMATIC DIA-
GRAM
[1] DESCRIPTION OF SCHEMATIC DIA-
GRAM ............................................................ 9-1
CHAPTER 10. WAVEFORMS
[1] WAVEFORMS .............................................10-1
CHAPTER 11. SCHEMATIC DIAGRAM
[1] SCHEMATIC DIAGRAM: MAIN UNIT.......... 11-1
[2] SCHEMATIC DIAGRAM: CRT UNIT ........... 11-7
[3] SCHEMATIC DIAGRAM: HEADPHONE
UNIT ............................................................ 11-7
CHAPTER 12. PRINTED WIRING BOARD ASSEM-
BLIES
[1] PWB-B: CRT UNIT ......................................12-1
[2] PWB-C: HEADPHONE UNIT ......................12-1
[3] PWB-A: MAIN UNIT ....................................12-2
CHAPTER 8. BLOCK DIAGRAM
[1] BLOCK DIAGRAM: CRT UNIT ..................... 8-1
Parts Guide
WARNING
The chassis in this receiver is partially hot. Use an isolation transformer between the line cord plug and power receptacle, when servicing
this chassis. To prevent electric shock, do not remove cover. No user - serviceable parts inside. Refer servicing to qualified service personnel.
SHARP CORPORATION
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1. ADJUSTMENT ITEM
21JF2-RU/GA/SA/SF/SS
***Below are the adjustment items that should be done, PLS FOLLOW THE PROCEDURE. Otherwise some adjustment items will
not be accurate.
NO ***
ADJUSTMENT ITEM
1 BUS SET UP
2 OPTION SET UP
3 H-VCO
4 VIF-VCO
5 S-TRAP fo
6 RF-AGC
7 PURITY ADJ
8 CONVERGENCE ADJ
9 FOCUS ADJ
10 V-SHIFT (50 Hz)
11 H-SHIFT (50 Hz)
12 V-SIZE (50 Hz)
13 SCREEN
14 WHITE BALANCE
15 SUB-BRIGHTNESS
16 SUB-CONTRAST
17 SUB-TINT
18 SUB-COLOR
19 SECAM-OFFSET
20 SIF VCO ADJ
21 BEAM CURRENT CHECK
22 BEAM PROTECTOR CHECK
23 HV PROTECTOR CHECK
24 OTHER PROTECTOR CHECK
25 AV OUT CHECK
26 AV IN CHECK
27 CONTRAST CONTROL CHECK
28 COLOR CONTROL CHECK
29 BRIGHTNESS CONTROL CHECK
30 TINT CONTROL CHECK
31 SHARPNESS CONTROL CHECK
32 CH DISPLAY COLOR CHECK
33 NORMAL DISPLAY CHECK
34 WHITE TEMP CONTROL CHECK
www.DataSh3e5et4U.comCOLOR SYSTEM CHECK
36 SOUND SYSTEM CHECK
37 NOISE MUTE CHECK
38 OSD LANGUAGE QUANTITY CHECK
39 HEAD PHONE CHECK
40 SHOCK TEST CHECK
41 ROM CORRECTION CHECK
EFFECTIVE MODEL
REVISION
ALL MODELS
3–2
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Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for 21JF2-SF electronic component. |
| Information | Total 30 Pages | |
| Link URL | [ Copy URL to Clipboard ] | |
| Download | [ 21JF2-SF.PDF Datasheet ] | |
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Featured Datasheets
| Part Number | Description | MFRS |
| 21JF2-SA | The function is COLOUR TELEVISION. Sharp | |
| 21JF2-SF | The function is COLOUR TELEVISION. Sharp | |
| 21JF2-SS | The function is COLOUR TELEVISION. Sharp | |
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