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PDF 21JF2-SS Data sheet ( Hoja de datos )

Número de pieza 21JF2-SS
Descripción COLOUR TELEVISION
Fabricantes Sharp 
Logotipo Sharp Logotipo



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No Preview Available ! 21JF2-SS Hoja de datos, Descripción, Manual

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

1 page




21JF2-SS pdf
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

5 Page





21JF2-SS arduino
21JF2-RU/GA/SA/SF/SS
SETTING MODE (SECOND STAGE)
EEPROM ITEMS
FUNCTION
OSD
DATA LENGTH
C.CLIP-LVL
CLIP LEVEL CONTRAST CONTROL OF
F01
0(20H) / 1(40H)
RGB INPUT
RGB-CLIP
CLIPPING OF RGB CONTRAST CON-
F02 0 (CLIP OFF) / 1(CLIP ON)
TROL
BS BLACK STRETCH
F03 0(ON) / 1(OFF)
ABCL
ABCL PROCESSING (ACL PROCESSING) F04
0(OFF) / 1(ON)
ABCL-GAIN
ABCL PROCESSING GAIN
F05 0(LOW) / 1(HIGH)
S-OUT-LVL
AUDIO OUTPUT GAIN CONTROL
F06
0~127
VIF-G
P-IF DETECTION GAIN OUTPUT
F07
0~7
SHPG
SHARPNESS GAIN
F08 0(NORMAL) / 1(HIGH)
SHPG-P
SHARPNESS GAIN PAL
F09 0(NORMAL) / 1(HIGH)
SHPG-S
SHARPNESS GAIN SECAM
F10 0(NORMAL) / 1(HIGH)
SHPG-N4
SHARPNESS GAIN N443
F11 0(NORMAL) / 1(HIGH)
SHPG-N3
SHARPNESS GAIN N358
F12 0(NORMAL) / 1(HIGH)
YDL Y SIGNAL DELAY
F13 0~7
YDL-P
Y SIGNAL DELAY PAL
F14 0~7
YDL-S
Y SIGNAL DELAY SECAM
F15 0~7
YDL-N4
Y SIGNAL DELAY N443
F16 0~7
YDL-N3
Y SIGNAL DELAY N358
F17 0~7
YDL-AV
Y SIGNAL DELAY AV
F18 0~7
YDL-AV-P
Y SIGNAL DELAY PAL (AV)
F19 0~7
YDL-AV-S
Y SIGNAL DELAY SECAM (AV)
F20 0~7
YDL-AV-N4
Y SIGNAL DELAY N443 (AV)
F21 0~7
YDL-AV-N3
Y SIGNAL DELAY N358 (AV)
F22 0~7
YDL-YUV
Y SIGNAL DELAY YUV
F23 0~7
COL-AV (OFFSET) COLOUR OFFSET AV
F24 -31~0~+31
COL-P (OFFSET) COLOUR OFFSET PAL
F25 -31~0~+31
COL-S (OFFSET) COLOUR OFFSET SECAM
F26 -31~0~+31
COL-N4 (OFFSET) COLOUR OFFSET N443
F27 -31~0~+31
COL-N3 (OFFSET) COLOUR OFFSET N358
F28 -31~0~+31
COL-ADJ (OFFSET) COLOUR OFFSET ADJUST
F29 -31~0~+31
SHP-AV (OFFSET) SHARPNESS OFFSET AV
F30 -31~0~+31
SHP-YUV (OFFSET) SHARPNESS OFFSET YUV
F31 -31~0~+31
SHP-P (OFFSET) SHARPNESS OFFSET PAL
F32 -31~0~+31
SHP-S (OFFSET) SHARPNESS OFFSET SECAM
F33 -31~0~+31
SHP-N4 (OFFSET) SHARPNESS OFFSET N443
F34 -31~0~+31
SHP-N3 (OFFSET) SHARPNESS OFFSET N358
F35 -31~0~+31
w w w . TDINaT-At Va(OSFhFSeETe) t 4 TUIN.T cOFoFmSET AV
TINT-ADJ (OFFSET) TINT OFFSET ADJUST
F36 -63~0~+63
F37 -63~0~+63
TINT-YUV-ADJ (OFF- TINT YUV OFFSET ADJUST
F38 -63~0~+63
SET)
R-R (OFFSET)
R-DRIVE OFFSET WHEN WHITE TEMP IS F39
-63~0~+63
RED
B-R (OFFSET)
B-DRIVE OFFSET WHEN WHITE TEMP IS F40
-63~0~+63
RED
R-B (OFFSET)
R-DRIVE OFFSET WHEN WHITE TEMP IS F41
-63~0~+63
BLUE
B-B (OFFSET)
B-DRIVE OFFSET WHEN WHITE TEMP IS F42
-63~0~+63
BLUE
TRAP
CENTER VALUE OF CHROMA TRAP
F43
0~3
TRAP-P
CENTER VALUE OF CHROMA TRAP PAL F44
0~3
TRAP-S
CENTER VALUE OF CHROMA TRAP
F45
0~3
SECAM
TRAP-N4
CENTER VALUE OF CHROMA TRAP N443 F46
0~3
TRAP-N3
CENTER VALUE OF CHROMA TRAP N358 F47
0~3
1W-TV
VERT SYNC DETECTION MODE FOR AV F48 ACCEPTABLE PERIOD:
(1 WINDOW/2 WINDOW)
0(AUTOMATIC CHANGE)
/ 1(FIX (WIDE))
1W-AV
VERT SYNC DETECTION MODE FOR TV F49 ACCEPTABLE PERIOD:
(1 WINDOW/2 WINDOW)
0(AUTOMATIC CHANGE)
/ 1(FIX (WIDE))
V-FREE (NO SYNC) SET VERTICAL TO FORCED FREE RUN F50
0(NORMAL) / 1(FRE-
MODE
ERUN)
INITIAL
DATA
0
0
0
0
0
95
4
0
0
0
0
1
5
5
7
5
5
6
6
7
6
6
6
+10
0
+9
-8
-7
0
+5
0
0
-5
0
0
0
0
0
+8
-10
-3
+13
2
2
2
2
2
0
1
0
FIX/ADJ/
AUTO
FIX
FIX
FIX
FIX
FIX
*FIX
FIX
FIX
FIX
FIX
FIX
FIX
FIX
FIX
FIX
FIX
FIX
FIX
FIX
FIX
FIX
FIX
FIX
*FIX
FIX
FIX
FIX
FIX
*FIX
*FIX
FIX
FIX
FIX
FIX
FIX
*FIX
*FIX
FIX
*FIX
*FIX
*FIX
*FIX
FIX
FIX
FIX
FIX
FIX
FIX
FIX
FIX
REMARK
BUS SETUP
BUS SETUP
BUS SETUP
BUS SETUP
BUS SETUP
BUS SETUP
BUS SETUP
BUS SETUP
BUS SETUP
BUS SETUP
3–8

11 Page







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