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Sharp 21JF2 Series, Руководство по обслуживанию

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21JF2-RU/GA/SA/SF/SS

10 – 1

21JF2-RU/GA/SA/SF/SS

Service Manual

 

CHAPTER 10. 

WAVEFORMS

[1] WAVEFORMS

1) 0.92 Vp-p

Horiz. Rate

2) 4.08 Vp-p

Horiz. Rate

3) 4.21 Vp-p

Horiz. Rate

4) 4.38 Vp-p

Horiz. Rate

5) 6.25 Vp-p

Horiz. Rate

6) 6.42 Vp-p

Horiz. Rate

7) 2.04 Vp-p

Vert. Rate

8) 1.81 Vp-p

Vert. Rate

9) 5.33 Vp-p

Horiz. Rate

10) 48.33 Vp-p

Horiz. Rate

11) 1.15 KVp-p

Horiz. Rate

12) 53.33 Vp-p

Vert. Rate

13) 5.04 Vp-p

Vert. Rate

14) 132.50 Vp-p

Horiz. Rate

15) 516.67 Vp-p

16) 5.21 Vp-p

Horiz. Rate

17) 5.38 Vp-p

Vert. Rate

18) 91.67 Vp-p

Horiz. Rate

19) 94.17 Vp-p

Horiz. Rate

20) 106.67 Vp-p

Horiz. Rate

Содержание 21JF2 Series

Страница 1: ...N 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 WARNING Multi 18 Systems Full Auto Channel Preset and Auto Channel Skip 100 CH Program Memory CATV Hyper Band Ready Used ...

Страница 2: ...tions are subject to change without prior notice Aerial Input Impedance VHF UHF 75 ohms Unbalanced Receiving System PAL I B G D K SECAM B G D K K1 Receiving Channel VHF Channels E2 48 25MHz thru E12 224 25MHz C1 49 75MHz thru C12 216 25 MHz S1 105 25MHz thru S41 463 25HMz UHF Channels E21 471 25MHz thru E69 855 25MHz C13 471 25MHz thru C57 863 25MHz Power Input 110 240V AC 50 60 Hz Power Consumpti...

Страница 3: ...duce potentially hazardous radiation with prolonged exposure at close range the following precautions should be observed 1 When repairing the circuit please make sure do not increase the high voltage of the set to more than 30 0kV at beam 0µA 2 To keep the set in a normal operation please make sure it s function at 26 5kV 0 5kV at beam 1000µA The set has been factory adjusted to the above mentione...

Страница 4: ...s the CH DOWN UP key on the remote controller to select the item in Adjustment mode Setting mode or Option mode iv Using the VOLUME UP DOWN key on the remote controller the data can be modified Please wait approximately 200 msec for data storage in EEPROM before select to another mode v In Check mode the data cannot be changed vi Press the SERVICE key again it will switch to the NORMAL mode positi...

Страница 5: ...EN 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 DISP...

Страница 6: ...OS 0 B D DOWN IN SERVICE MODE V00 E4 FLASHBACK R D DOWN IN SERVICE MODE V00 E4 FLASHBACK Y MUTE BESIDES OF SERVICE MODE V00 75 WHITE TEMP UP RF AGC V01 F5 WHITE TEMP DOWN VIF VC0 V02 C2 TUNE DOWN H VCO V03 8D SHARPNESS DOWN SUB CON V04 D6 BALANCE LEFT SUB COL V05 0D SHARPNESS UP SUB BRIGHT V06 36 BALANCE RIGHT SUB TINT V07 46 TREBLE UP SUB SHP V08 C6 TREBLE DOWN SUB COL YUV V09 26 BASS UP SUB TINT...

Страница 7: ...MCL1 HEX AE CH No Fv MHz Sound Sys 0 1 48 25 B G 2 62 25 B G 3 77 25 D K 4 175 25 B G 5 182 25 B G 6 183 25 D K 7 191 25 D K 8 196 25 B G 9 199 25 M 10 210 25 B G 11 224 25 B G 12 471 25 B G 13 487 25 I 14 503 25 B G 15 575 25 B G 16 583 25 B G 17 599 25 B G 18 621 25 M 19 639 25 D K 20 703 25 B G 21 735 25 I 22 767 25 B G 23 815 25 B G 24 855 25 I 25 855 25 B G 26 55 25 M 27 83 25 M 28 183 25 M 2...

Страница 8: ... 3 5 NOTE PLL DATA OF ABOVE FREQ SHOULD TAKE THE ACCOUNT OF PIF SETTING IN SERVICE OPTION O04 VIF BEFORE STORING INTO EEPROM 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 MCL1 HEX AE CH No Fv MHz Sound Sys ...

Страница 9: ...EMINDER AFT ALL CH ON COLOR SYSTEM ALL CH AUTO SKIP ALL CH OFF CONTRAST 60 COLOR 0 BRIGHTNESS 0 TINT 0 SHARPNESS 0 WHITE TEMP 0 INITIAL LANGUAGE SOUND SYSTEM 1 CHINESE D K 2 CHINESE I 3 ENGLISH B G 4 ARABIC B G 5 RUSSIAN D K 6 MALAY B G 7 FRENCH D K MODEL MAGNETIC FIELD V H nT BACKGROUND LANG S SYS LANG QTY SINGAPORE 10000 40000 12300 K ENGLISH B G 5 AFRICA 10000 40000 12300 K ENGLISH B G 5 MID EA...

Страница 10: ...7 50 AUTO VIF VCO V02 0 63 31 AUTO H VCO V03 0 7 3 AUTO SUB CONTRAST V04 0 127 100 ADJ SUB COLOR V05 0 127 63 ADJ SUB BRIGHT V06 0 255 127 ADJ SUB TINT V07 0 127 63 ADJ SUB SHARPNESS V08 0 63 43 FIX BUS SETUP SUB COLOR YUV V09 0 127 90 FIX SUB TINT YUV V10 0 127 63 FIX V SIZE 50 Hz V11 0 63 38 ADJ V SHIFT 50 Hz V12 0 7 3 ADJ H SHIFT 50 Hz V13 0 31 9 ADJ SECAM BR V14 0 63 37 ADJ SECAM BB V15 0 63 2...

Страница 11: ...ECAM F26 31 0 31 9 FIX COL N4 OFFSET COLOUR OFFSET N443 F27 31 0 31 8 FIX COL N3 OFFSET COLOUR OFFSET N358 F28 31 0 31 7 FIX COL ADJ OFFSET COLOUR OFFSET ADJUST F29 31 0 31 0 FIX BUS SETUP SHP AV OFFSET SHARPNESS OFFSET AV F30 31 0 31 5 FIX BUS SETUP SHP YUV OFFSET SHARPNESS OFFSET YUV F31 31 0 31 0 FIX SHP P OFFSET SHARPNESS OFFSET PAL F32 31 0 31 0 FIX SHP S OFFSET SHARPNESS OFFSET SECAM F33 31 ...

Страница 12: ... 43 F66 0 NORMAL 1 INHIBIT 0 FIX TXT POS H TELE TEXT TELETEXT HORIZONTAL POSITION F67 0 63 30 FIX TXT POS V TELE TEXT TELETEXT VERTICAL POSITION F68 0 63 34 FIX OSD POS OSD POSITION F69 0 127 9 FIX CP CHARGE PUMP F70 0 FAST TUNING 1 MODERATE SPEED TUNING 1 FIX SMALL SURR S CTRL SURROUND MODE SELECT F71 0 EALA EFFECT LARGE 1 EALA EFFECT SMALL 0 FIX SUB BASS S CTRL SUB BASS CONTROL F72 0 0dB 1 1dB 2...

Страница 13: ...FREQ CHARACTERISTIC CONTROL F102 0 255 70 FIX MEL1 S BOOSTER LEVEL1 F103 0 255 150 FIX MEL2 S BOOSTER LEVEL2 F104 0 255 156 FIX MEL3 S BOOSTER LEVEL3 F105 0 255 163 FIX MEL4 S BOOSTER LEVEL4 F106 0 255 165 FIX MEL5 S BOOSTER LEVEL5 F107 0 255 170 FIX MEL6 S BOOSTER LEVEL6 F108 0 255 180 FIX S ST POINT S BOOSTER START POINT F109 0 60 21 FIX S SP POINT S BOOSTER STOP POINT F110 0 60 60 FIX S STEP S ...

Страница 14: ... 0 63 0 FIX SHP ANT ONII OFF SET SHARP ANT ON II OFFSET FOR VIDEO TONE F133 31 0 31 0 FIX WAIT MD TIME SETTING CYCLE PROCESS TIME AT LOW POWER F134 0 4 2 FIX Contrast OFFSET CONTRAST PICTURE LEVEL OFFSET F135 63 0 63 0 FIX Bright OFFSET PICTURE BLACK LEVEL BRIGHT OFF SET F136 63 0 63 0 FIX CR PEDESTEL ADJ Cr SIGNAL LEVEL ADJUSTMENT F137 0 15 8 FIX ONLY FOR M62166 CB PEDESTEL ADJ Cb SIGNAL LEVEL AD...

Страница 15: ...0 5 750 3 OPTION SET UP R C MENU O20 0 ENABLE 1 DISABLE 0 OPTION SET UP LED CONT O21 0 ONE LED 1 TWO LED 0 OPTION SET UP S BOOSTER O22 0 DISABLE 1 ENABLE 0 OPTION SET UP SHARP LOGO O23 0 DISABLE 1 ENABLE 0 OPTION SET UP YUV BKGD ADJ O24 0 DISABLE 1 ENABLE 0 OPTION SET UP WHITE BACK O25 0 DISABLE 1 ENABLE 1 OPTION SET UP BOOSTER O26 0 DISABLE 1 ENABLE 0 OPTION SET UP MESSAGE O27 0 DISABLE 1 ENABLE ...

Страница 16: ...BLE 1 ENABLE 0 0 0 0 O09 S SYS 1 BG ONLY 15 ALL 7 7 7 7 O10 AV 0 DISABLE 1 ENABLE 1 1 1 1 O11 AV2 0 DISABLE 1 ENABLE 1 1 1 1 O12 YUV 0 DISABLE 1 ENABLE 0 0 0 0 O13 S CTRL 0 DISABLE 1 ENABLE 0 0 0 0 O14 NICAM 0 DISABLE 1 ENABLE 0 0 0 0 O15 A2 0 DISABLE 1 ENABLE 0 0 0 0 O16 TEXT 0 DISABLE 1 ENABLE 0 0 0 0 O17 BIL 0 DISABLE 1 ENABLE 0 0 0 0 O18 LANG 1 255 9 55 63 63 O19 SEARCH SP 1 350 2 450 3 550 4 ...

Страница 17: ... in posi tion during this adjustment RF AGC TAKE OVER POINT AD JUSTMENT I2 C BUS CONTROL AUTO MANUAL ADJ 1 Receive PAL COLOUR BAR signal Signal Strength 56 1 dBµV 75 ohm open 2 Connect the oscilloscope to TP201 Tuner s AGC Terminal as shown in Fig 3 1 3 Call V01 mode in service mode Adjust the V01 bus data to obtain the Tuner output pin drop 0 1 1 0V below maximum voltage 4 Change the antenna inpu...

Страница 18: ...stward 6 Tighten up the deflection coil screws Tightening torque 108 20 N 11 2 kgf 7 Make sure the CRT corners landing meet the A rank requirements If not stick the magnet sheet to correct it Note This adjustment must be done after warming up the unit for 30 minutes or longer with a beam current over 700 µA Note For the following colours press R C RGB Hex 7E key to change PURITY ADJ 1 a b A B A 30...

Страница 19: ...following steps a Fig a Drive the wedge at point a and swing the deflection coil upward b Fig b Drive the wedge at point b and c and swing the deflection coil downward c Fig c Drive the c wedge deeper and swing the deflection coil rightward d Fig d Drive the b wedge deeper and swing the deflection coil leftward 2 Fix all the wedges on the CRT and apply glass tape over them 3 Apply lacquer to the d...

Страница 20: ...t oscilloscope to IC801 pin2 adj V02 until voltage become 2 5 1 V Auto Adj 1 In No signal RASTER condition 2 Go to service mode choose service data V02 3 Press the R C Auto Hex C1 key OSD will appear OK at screen 4 If appear NG pls repeat step 3 Manual ADJ 1 In No signal RASTER condition 2 Go to service mode choose service data V21 3 Connect oscilloscope to TP 801 adj V21 until voltage become Min ...

Страница 21: ... Pattern Signal First use Minolta Color Analyzer CA100 let the gun point at Dark White position as drawing attach Adj V06 until LUMI NANCE Y become 5 cd m2 then let the gun point at White position as drawing at tach Adj V04 until LUMINANCE Y be come 160 cd m2 Adj the R D B D until the axis of color temperature become 1 DARK WHITE LOW BEAM In Window Pattern Signal Let the gun point at Dark White po...

Страница 22: ...nnect the DC miliammeter between TP 603 TP 602 Full Scale 3mA Range 4 Beam current must be within 1000 100 µA Beam Current Check 5 Dark White WINDOW PATTERN SIGNAL White WINDOW PATTERN SIGNAL 1 In Window Pattern Signal condition Using Minolta Color Analyzer CA 100 let the gun point at Dark White position as attach drawing adjust V06 Bus data until LUMI NANCE Y 3 0 5 cd m2 2 1 In Window Pattern Sig...

Страница 23: ...the overscan become 10 1 5 Caution1 Pls aging TV more than 10 minutes before adjustment 1 Confirm Service data V08 is 46 1 Receive the Monoscope Pattern signal 2 Press R C to set Picture NORMAL condition 3 Adjust the focus control to get the best focusing V SIZE I2 C BUS CONTROL to be done after purity V shift adj 3 SUB SHARPNESS 4 Focus 5 A A B OK OK NG Note B line Monoscope middle line must same...

Страница 24: ...K I2C BUS CONTROL No Adjustment point Adjustment procedure conditions Waveform and others SECAM BLACK LEVEL R Y B Y I2 C BUS CONTROL 1 Receive SECAM COLOUR BAR signal 2 In the service mode select service data V14 3 Connect oscilloscope to TP 801 Range 20mV Div AC Use Probe 10 1 Sweep time 20 µsec Div 4 Adjust the V14 so that the offset of R Y is mini mum shown in Fig 2 1 b it means adjust the offs...

Страница 25: ... protector is working 2 OTHER PROTECTOR 1 Once finish rectified Electrolytic Capacitor short testing in B line check all possible damaged components on B line Use random selected set for inspection 3 PROTECTOR No Adjustment point Adjustment procedure conditions Waveform and others VIDEO AND AUDIO OUTPUT CHECK 1 VIDEO AND AUDIO INPUT CHECK 2 1 Receive the PAL Color Bar signal 100 White Color Bar So...

Страница 26: ...key to check TINT UP for GREEN direction and DOWN for PURPLE di rection whether is OK or not 4 SHARPNESS Key 1 Receive Monoscope Pattern signal 2 Set MENU then go into PICTURE mode to se lect SHARPNESS 3 Press Volume Up Down key to check whether the SHARPNESS effect is OK or not 5 WHITE TEMP 1 Receive Monoscope Pattern signal 2 Set MENU then go into PICTURE mode to se lect WHITE TEMP 3 Press Volum...

Страница 27: ...perly NOISE MUTE CHECKING 10 1 Receive PAL COLOUR BAR signal 2 Turn up the volume control to maximum make sure the sound is heard from the speakers Then put the unit in no signal state 4 Finally turn sound level of CTV to minimum 3 Check the sound mute is effective SOUND SYSTEM 11 12 OSD LANGUAGE QUANTITY CHECK 1 Receive PAL D K signal press MENU choose CH SETTING then go into SOUND mode to select...

Страница 28: ...T CHECKING 1 Receive PAL COLOUR BAR with SOUND 400Hz 100 MODULATION 50kHz Dev 2 Maximum volume and check the headphone output with 400Hz sound and no sound output speaker 1 from No Adjustment point Adjustment procedure conditions Waveform and others SHOCK TEST 1 Hit at the top of TV set for two time 2 Check TV set not damage and TV operation op erate correctly 1 ...

Страница 29: ...MCORRECT1 Data A2 90 97 FF FF FF FF FF FF FF FF ROMCORRECT1 Data A2 98 9F FF FF FF FF FF FF FF FF ROMCORRECT1 Data A2 A0 A7 86 BF 85 8E A6 82 E0 0F ROMCORRECT2 Data A2 A8 AF F0 0E 18 69 0A 47 03 08 ROMCORRECT2 Data A2 B0 B7 B0 04 C9 D8 90 02 A5 8E ROMCORRECT2 Data A2 B8 BF A6 BF 95 D4 4C 9C 73 FF ROMCORRECT2 Data No Adjustment point Adjustment procedure conditions Waveform and others ROM CORRECTIO...

Страница 30: ... FREQUENCY LOW BYTE POS 2 TUNING FREQUENCY HIGH BYTE TUNING FREQUENCY LOW BYTE TUNING FREQUENCY HIGH BYTE TUNING FREQUENCY LOW BYTE POS 3 TUNING FREQUENCY HIGH BYTE TUNING FREQUENCY LOW BYTE POS 4 TUNING FREQUENCY HIGH BYTE TUNING FREQUENCY LOW BYTE POS 5 TUNING FREQUENCY HIGH BYTE TUNING FREQUENCY LOW BYTE POS 6 TUNING FREQUENCY HIGH BYTE TUNING FREQUENCY LOW BYTE POS 7 TUNING FREQUENCY HIGH BYTE...

Страница 31: ...CY LOW BYTE POS 39 TUNING FREQUENCY HIGH BYTE TUNING FREQUENCY LOW BYTE POS 40 TUNING FREQUENCY HIGH BYTE TUNING FREQUENCY LOW BYTE POS 41 TUNING FREQUENCY HIGH BYTE TUNING FREQUENCY LOW BYTE POS 42 TUNING FREQUENCY HIGH BYTE TUNING FREQUENCY LOW BYTE POS 43 TUNING FREQUENCY HIGH BYTE TUNING FREQUENCY LOW BYTE POS 44 TUNING FREQUENCY HIGH BYTE TUNING FREQUENCY LOW BYTE POS 45 TUNING FREQUENCY HIGH...

Страница 32: ...CY LOW BYTE POS 67 TUNING FREQUENCY HIGH BYTE TUNING FREQUENCY LOW BYTE POS 68 TUNING FREQUENCY HIGH BYTE TUNING FREQUENCY LOW BYTE POS 69 TUNING FREQUENCY HIGH BYTE TUNING FREQUENCY LOW BYTE POS 70 TUNING FREQUENCY HIGH BYTE TUNING FREQUENCY LOW BYTE POS 71 TUNING FREQUENCY HIGH BYTE TUNING FREQUENCY LOW BYTE POS 72 TUNING FREQUENCY HIGH BYTE TUNING FREQUENCY LOW BYTE POS 73 TUNING FREQUENCY HIGH...

Страница 33: ... ED EE Blue Back 1 2 digit 48 00 FF EF 00 00 3C F0 POS 7 POS 6 POS 5 POS4 POS 3 POS 2 POS 1 POS 0 01 00 FF F1 POS15 POS14 POS13 POS12 POS11 POS10 POS 9 POS 8 00 00 FF F2 POS23 POS22 POS21 POS20 POS19 POS18 POS17 POS16 00 00 FF F3 POS31 POS30 POS29 POS28 POS27 POS26 POS25 POS24 00 00 FF F4 POS39 POS38 POS37 POS36 POS35 POS34 POS33 POS32 00 00 FF F5 POS47 POS46 POS45 POS44 POS43 POS42 POS41 POS40 00...

Страница 34: ...OS24 S SYSTEM POS25 C SYSTEM POS25 S SYSTEM POS26 S SYSTEM POS27 S SYSTEM POS28 C SYSTEM POS27 C SYSTEM POS28 C SYSTEM POS26 C SYSTEM POS31 C SYSTEM POS32 S SYSTEM POS62 S SYSTEM POS63 C SYSTEM POS33 C SYSTEM POS34 S SYSTEM POS33 S SYSTEM POS34 C SYSTEM POS35 C SYSTEM POS36 S SYSTEM POS35 S SYSTEM POS36 C SYSTEM POS39 C SYSTEM POS40 S SYSTEM POS39 C SYSTEM POS37 C SYSTEM POS38 S SYSTEM POS37 S SYS...

Страница 35: ...EM POS77 C SYSTEM POS78 S SYSTEM POS77 S SYSTEM POS78 C SYSTEM POS79 C SYSTEM POS80 S SYSTEM POS79 S SYSTEM POS80 C SYSTEM POS81 C SYSTEM POS82 S SYSTEM POS81 S SYSTEM POS82 C SYSTEM POS83 C SYSTEM POS84 S SYSTEM POS83 S SYSTEM POS84 C SYSTEM POS85 C SYSTEM POS86 S SYSTEM POS85 S SYSTEM POS86 C SYSTEM POS87 C SYSTEM POS88 S SYSTEM POS87 S SYSTEM POS88 C SYSTEM POS89 C SYSTEM POS90 S SYSTEM POS89 S...

Страница 36: ...TION 1 CODE ROM CORRECTION 1 CODE ROM CORRECTION 1 CODE ROM CORRECTION 1 CODE ROM CORRECTION 1 CODE ROM CORRECTION 2 CODE ROM CORRECTION 2 CODE ROM CORRECTION 2 CODE ROM CORRECTION 2 CODE ROM CORRECTION 2 CODE ROM CORRECTION 2 CODE ROM CORRECTION 1 CODE ROM CORRECTION 1 CODE ROM CORRECTION 1 CODE ROM CORRECTION 1 CODE ROM CORRECTION 1 CODE ROM CORRECTION 1 CODE ROM CORRECTION 1 CODE ROM CORRECTION...

Страница 37: ...Character 15 Message Favorite Three Character 16 Message Favorite Three Character 17 Message Favorite Three Character 18 Message Favorite Three Character 19 Message Favorite Three Character 20 Message Favorite Three Character 21 Message Favorite Three Character 22 Message Favorite Three Character 23 Message Favorite Three Character 24 Message Favorite Three Character 25 Message Favorite Three Char...

Страница 38: ...0 1A 228 229 22A 22B 22C 5F 00 7F 22D 04 00 07 22E 05 00 07 22F 05 00 07 230 07 00 07 231 05 00 07 232 05 00 07 233 06 00 07 234 06 00 07 235 07 00 07 236 06 00 07 237 06 00 07 238 06 00 07 239 29 00 3E 23A 1F 00 3E 23B 28 00 3E 23C 17 00 3E 23D 18 00 3E 23E 1F 00 3E 23F 24 00 3E MODEL MODEL LETTER NO LETTER NO G CUTOFF YUV V25 S OUT LEVEL F06 V LINEARITY OFFSET V31 YDL N443 F16 SUB CONTRAST YUV V...

Страница 39: ...F 277 46 00 FF 278 96 00 FF 279 9C 00 FF 27A A3 00 FF 27B A5 00 FF 27C AA 00 FF 27D B4 1 FF 27E 15 00 3C 27F 3C 00 3C MODEL MODEL LETTER NO LETTER NO MEL1 F104 MEL1 F103 VIDEO DEMUTE DELAY F100 SOUND DEMUTE DELAY F101 MEL1 F102 FORCED SCM KIL AV YUV F98 FORCED SCM KIL TV F97 CON REDUCE F91 AUTO SCM KIL AV YUV F87 AC FAIL WO BRIGHT F96 AFC1 GAIN YUV F90 AFC1 GAIN AV F89 AFC1 GAIN TV F88 NICAM DK LE...

Страница 40: ...D Response F125 V STD YUV F119 V STD AV F118 V STD TV F117 08 00 1F 2A5 NICAM AUTO MUTE F86 AGC SW OFF F75 SMALL SURR F71 02 00 07 2A6 AV2 O11 AV O10 Forced Col O08 N358 TV O07 N443 TV O06 SECAM O05 VIF O04 HOTEL O01 DE 00 FF 2A7 LED CONT O21 R C MENU O20 BIL O17 TEXT O16 A2 O15 NICAM O14 S CTR O13 YUV O12 03 00 FF 2A8 1 Chip O30 LNA TUNER O29 MESSAGE O27 ANT BOOSTE R O26 WHITE BACK O25 YUV BKGD O...

Страница 41: ...ter 06 Inbox Message Character 07 Inbox Message Character 08 Inbox Message Character 09 Inbox Message Character 10 Inbox Message Character 11 Inbox Message Character 12 Inbox Message Character 13 Inbox Message Character 14 Inbox Message Character 15 Inbox Message Character 16 Inbox Message Character 17 Inbox Message Character 18 Inbox Message Character 19 Inbox Message Character 20 Inbox Message C...

Страница 42: ...A2 BIL1 NCM FM NCM MONO NCM ST NCM BIL2 NCM BIL1 4C 00 FF POS 29 31E A2 FM A2 ST A2 BIL1 NCM FM NCM MONO NCM ST NCM BIL2 NCM BIL1 4C 00 FF POS 30 31F A2 FM A2 ST A2 BIL1 NCM FM NCM MONO NCM ST NCM BIL2 NCM BIL1 4C 00 FF POS 31 320 A2 FM A2 ST A2 BIL1 NCM FM NCM MONO NCM ST NCM BIL2 NCM BIL1 4C 00 FF POS 32 321 A2 FM A2 ST A2 BIL1 NCM FM NCM MONO NCM ST NCM BIL2 NCM BIL1 4C 00 FF POS 33 322 A2 FM A...

Страница 43: ... 4C 00 FF POS 86 357 A2 FM A2 ST A2 BIL1 NCM FM NCM MONO NCM ST NCM BIL2 NCM BIL1 4C 00 FF POS 87 358 A2 FM A2 ST A2 BIL1 NCM FM NCM MONO NCM ST NCM BIL2 NCM BIL1 4C 00 FF POS 88 359 A2 FM A2 ST A2 BIL1 NCM FM NCM MONO NCM ST NCM BIL2 NCM BIL1 4C 00 FF POS 89 35A A2 FM A2 ST A2 BIL1 NCM FM NCM MONO NCM ST NCM BIL2 NCM BIL1 4C 00 FF POS 90 35B A2 FM A2 ST A2 BIL1 NCM FM NCM MONO NCM ST NCM BIL2 NCM...

Страница 44: ...acter 14 Message Favorite One Character 15 Message Favorite One Character 16 Message Favorite One Character 17 Message Favorite One Character 18 Message Favorite One Character 19 Message Favorite One Character 20 Message Favorite One Character 21 Message Favorite One Character 22 Message Favorite One Character 23 Message Favorite One Character 24 Message Favorite One Character 25 Message Favorite ...

Страница 45: ...cter 14 Message Favorite Two Character 15 Message Favorite Two Character 16 Message Favorite Two Character 17 Message Favorite Two Character 18 Message Favorite Two Character 19 Message Favorite Two Character 20 Message Favorite Two Character 21 Message Favorite Two Character 22 Message Favorite Two Character 23 Message Favorite Two Character 24 Message Favorite Two Character 25 Message Favorite T...

Страница 46: ...ircuit Check D751 Check NR701 NO PICTURE NO SOUND No snow noise Does noise or signal appear at pin 41 of IC801 Noise increases but no signal is received Check the tuner supply voltage LB must approx 5V BT must be approx 33V And check the CH preset data Check the tuner AGC at TP201 Does noise or signal appear at pin 58 of IC801 Check IC801 and related circuit Check IC401 and related circuit Check p...

Страница 47: ...Check TV sound from pin 51 of IC801 to pin 6 of IC303 Check Speaker NEITHER VERTICAL NOR HORIZONTAL SYNCHRONIZATION CIRCUIT TO BE CHECKED Sync Separator Circuit Check pins 5 6 10 and 11 of IC801 Vertical linearity and size are abnormal DEFECTIVE VERTICAL AMP AND VERTICAL LINEARITY Re adjust vertical size Bus Data Check R503 R506 R513 R520 and C515 NO VERTICAL SCAN Check IC501 Check C511 Check IC50...

Страница 48: ...roperly adjusted Re adjust the white balance The picture colour is yellow The picture colour is magenta The picture colour is cyan Check Q855 and its adjacent circuits Check Q854 and its adjacent circuits Check Q853 and its adjacent circuits Check IC801 Check IC801 and bias control circuit NO COLOUR PAL SECAM NO COLOUR SYNCHRONIZATION Check X801 4 43MHz ...

Страница 49: ... 4 5 6 7 8 9 10 11 12 13 14 15 16 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 16 33 48 49 17 32 M61260AF COLLECTOR BASE EMITTER Z R D601A COLLECTOR BASE EMITTER B R B709A 4 6 3 1 IMZ1A CATHOD ANODE RED PX0013 1 7 STV9302A _ DX0476CE SIDE VIEW E C B TX0110BM E C B 2SD468 C 2SC2235 GND COLLECTOR Vout ...

Страница 50: ...21JF2 RU GA SA SF SS 7 1 21JF2 RU GA SA SF SS Service Manual CHAPTER 7 CHASSIS LAYOUT 1 CHASSIS LAYOUT A C B D E F G H 1 2 3 4 5 6 7 8 9 10 ...

Страница 51: ...21JF2 RU GA SA SF SS 8 1 21JF2 RU GA SA SF SS Service Manual CHAPTER 8 BLOCK DIAGRAM 1 BLOCK DIAGRAM CRT UNIT 2 BLOCK DIAGRAM HEADPHONE UNIT A C B D 1 2 3 4 5 6 7 8 9 10 A C B D 1 2 3 4 5 6 7 8 9 10 ...

Страница 52: ...21JF2 RU GA SA SF SS 8 2 3 BLOCK DIAGRAM MAIN UNIT A C B D E F G H 1 2 3 4 5 6 7 8 9 10 ...

Страница 53: ...21JF2 RU GA SA SF SS 8 3 10 11 12 13 14 15 16 17 18 19 ...

Страница 54: ...parenthesis measured with 3mV B W or Colour signal 2 All the voltages in each point are measured with VTVM 3 WAVEFORM MEASUREMENT CONDITIONS The colour bar generator signal of 1 0V peak applied at pin 41 of IC801 1 Approximately 4V AGC bias 2 SERVICE PRECAUTION THE AREA ENCLOSED BY THIS LINE IS DI RECTLY CONNECTED WITH AC MAINS VOLTAGE WHEN SERVICING THE AREA CONNECT AN ISOLAT ING TRANSFORMER BETW...

Страница 55: ...iz Rate 5 6 25 Vp p Horiz Rate 6 6 42 Vp p Horiz Rate 7 2 04 Vp p Vert Rate 8 1 81 Vp p Vert Rate 9 5 33 Vp p Horiz Rate 10 48 33 Vp p Horiz Rate 11 1 15 KVp p Horiz Rate 12 53 33 Vp p Vert Rate 13 5 04 Vp p Vert Rate 14 132 50 Vp p Horiz Rate 15 516 67 Vp p 16 5 21 Vp p Horiz Rate 17 5 38 Vp p Vert Rate 18 91 67 Vp p Horiz Rate 19 94 17 Vp p Horiz Rate 20 106 67 Vp p Horiz Rate ...

Страница 56: ...21JF2 RU GA SA SF SS 11 1 21JF2 RU GA SA SF SS Service Manual CHAPTER 11 SCHEMATIC DIAGRAM 1 SCHEMATIC DIAGRAM MAIN UNIT 1 21JF2 RU A C B D E F G H 1 2 3 4 5 6 7 8 9 10 ...

Страница 57: ...21JF2 RU GA SA SF SS 11 2 10 11 12 13 14 15 16 17 18 19 ...

Страница 58: ...21JF2 RU GA SA SF SS 11 3 2 21JF2 GA 21JF2 SA 21JF2 SF A C B D E F G H 1 2 3 4 5 6 7 8 9 10 ...

Страница 59: ...21JF2 RU GA SA SF SS 11 4 10 11 12 13 14 15 16 17 18 19 ...

Страница 60: ...21JF2 RU GA SA SF SS 11 5 3 21JF2 SS A C B D E F G H 1 2 3 4 5 6 7 8 9 10 ...

Страница 61: ...21JF2 RU GA SA SF SS 11 6 10 11 12 13 14 15 16 17 18 19 ...

Страница 62: ...21JF2 RU GA SA SF SS 11 7 2 SCHEMATIC DIAGRAM CRT UNIT 3 SCHEMATIC DIAGRAM HEADPHONE UNIT A C B D 1 2 3 4 5 6 7 8 9 10 A C B D 1 2 3 4 5 6 7 8 9 10 ...

Страница 63: ...l CHAPTER 12 PRINTED WIRING BOARD ASSEMBLIES 1 PWB B CRT UNIT 1 CRT UNIT Component Side 2 PWB C HEADPHONE UNIT 1 HEADPHONE UNIT Component Side Chip Parts Side A C B D 1 2 3 4 5 6 7 8 9 10 Component Side A C B D 1 2 3 4 5 6 7 8 9 10 Component Side Chip Parts Side ...

Страница 64: ...21JF2 RU GA SA SF SS 12 2 3 PWB A MAIN UNIT 1 MAIN UNIT Component Side A C B D E F G H 1 2 3 4 5 6 7 8 9 10 ...

Страница 65: ...21JF2 RU GA SA SF SS 12 3 10 11 12 13 14 15 16 17 18 19 ...

Страница 66: ...21JF2 RU GA SA SF SS 12 4 2 MAIN UNIT Chip Parts Side A C B D E F G H 1 2 3 4 5 6 7 8 9 10 ...

Страница 67: ...21JF2 RU GA SA SF SS 12 5 10 11 12 13 14 15 16 17 18 19 ...

Страница 68: ...ocument has been published to be used for after sales service only The contents are subject to change without notice 21JF2 RU GA SA SF SS No S95O521JF2 RU MODELS 21JF2 RU 21JF2 GA 21JF2 SA 21JF2 SF 21JF2 SS 1 PICTURE TUBE 2 PRINTED WIRING BOARD ASSEMBLIES 3 MAIN UNIT 4 CRT UNIT 5 HEADPHONE UNIT 6 MISCELLANEOUS PARTS 7 CABINET PARTS 8 SUPPLIED ACCESSORIES 9 PACKING PARTS ...

Страница 69: ...468 Q753 VS2SC3198 G 1 AA R 2SC3198 Q754 VS2SD468 C 1 AD R 2SD468 Q801 VS2PD601AR 1Y AB R 2PD601AR Q803 VS2PD601AR 1Y AB R 2PD601AR Q804 VS2PB709AR 1Y AB R 2PB709AR Q805 VS2PB709AR 1Y AB R 2PB709AR Q1001 VS2PD601AR 1Y AB R 2PD601AR Q1002 VS2PD601AR 1Y AB R 2PD601AR Q1070 VS2PD601AR 1Y AB R 2PD601AR D201 RH EX0676GEZZY AA R Zener Diode 33V D203 VHD1SS119 1Y AA R Diode 1SS119 D204 VHD1SS119 1Y AA R ...

Страница 70: ...0p 50V Ceramic C393 VCEA0A1EW108M AD R 1000 25V Electrolytic C401 VCKYCY1HF103ZY AA R 0 01 50V Ceramic C437 VCEA0A1CW106M AB R 10 16V Electrolytic C438 VCEA0A1CW106M AB R 10 16V Electrolytic C451 VCEA0A1CW477M AC R 470 16V Electrolytic C505 VCEA0A1HW107M AB R 100 50V Electrolytic C508 VCFYAA2AA224J AD R 0 22 100V Mylar C509 VCKYPA2HB472K AB R 4700p 500V Ceramic 21JF2 RU SS C511 VCEA0A1VW477M AB R ...

Страница 71: ...50V Mylar C841 VCCCCY1HH220JY AA R 22p 50V Ceramic C842 VCEA0A1HW474M AB R 0 47 50V Electrolytic C843 VCEA9M1HW105M AB R 1 50V Electrolytic C845 VCKYCY1CF224ZY AB R 0 22 16V Ceramic C847 VCCCCY1HH220JY AA R 22p 50V Ceramic C848 VCEA0A1HW474M AB R 0 47 50V Electrolytic C1003 VCEA0A1CW226M AB R 22 16V Electrolytic C1004 VCKYCY1CF474ZY AB R 0 47 16V Ceramic C1005 VCEA0A1HW475M AB R 4 7 50V Electrolyt...

Страница 72: ...W Carbon R616 VRD RA2BE102JY AA R 1k 1 8W Carbon R617 VRS CY1JF123JY AA R 12k 1 16W Metal Oxide R618 VRS CY1JF103JY AA R 10k 1 16W Metal Oxide R621 VRN RL2HC4R7J AB R 4 7 1 2W Metal Film R622 VRS VV3DB682J AA R 6 8k 2W Metal Oxide R625 VRD RM2HD184JY AA R 180k 1 2W Carbon R626 VRS CY1JF472JY AA R 4 7k 1 16W Metal Oxide R627 VRD RA2BE103JY AA R 10k 1 8W Carbon R631 VRS KT3LB391J AD R 390 3W Metal O...

Страница 73: ...47 VRS CY1JF183JY AA R 18k 1 16W Metal Oxide R1048 VRS CY1JF101JY AA R 100 1 16W Metal Oxide R1049 VRS CY1JF183JY AA R 18k 1 16W Metal Oxide R1050 VRD RA2BE103JY AA R 10k 1 8W Carbon R1051 VRD RA2BE104JY AA R 100k 1 8W Carbon R1054 VRD RA2BE101JY AA R 100 1 8W Carbon R1055 VRD RA2BE332JY AA R 3 3k 1 8W Carbon R1056 VRS CY1JF332JY AA R 3 3k 1 16W Metal Oxide R1057 VRS CY1JF101JY AA R 100 1 16W Meta...

Страница 74: ...D1SS119 1Y AA R Diode 1SS119 L851 VP MK820K0000 AB R Peaking 82µH C851 VCKYPA1HB561K AA R 560p 50V Ceramic C852 VCKYPA1HB391K AA R 390p 50V Ceramic C853 VCKYPA1HB271K AB R 270p 50V Ceramic C880 RC KZ0016CEZZ AC R 10000p 1 5kV Ceramic C893 VCEA0A1CW336M AB R 33 16V Electrolytic R849 VRD RA2BE271JY AA R 270 1 8W Carbon R850 VRD RA2BE470JY AA R 47 1 8W Carbon R851 VRD RA2BE470JY AA R 47 1 8W Carbon R...

Страница 75: ... GA 1 CCABAB114WEV0 R Front Cabinet Ass y 21JF2 SA 1 CCABAB222WEV0 R Front Cabinet Ass y 21JF2 SF 1 CCABAB224WEV0 R Front Cabinet Ass y 21JF2 SS 1 1 Not Available Front Cabinet 1 2 JBTN A485WJSA AF R Power Button 1 3 MSPRC0005PEFW AB R Power Button Spring 1 4 GCOVAB345WJSA AD R R C Cover 1 5 HBDGB3155CESA AF R SHARP Badge 1 6 GDORFA158WJSA R Door 21JF2 RU SA 1 6 GDORFA158WJSB R Door 21JF2 GA 1 6 G...

Страница 76: ...GA X2 TiNS B981WJZZ AM R Operation Manual 21JF2 RU X2 TiNS B996WJZZ R Operation Manual 21JF2 GA SA X3 TiNS C042WJZZ R Operation Manual 21JF2 GA SA X3 TiNS C140WJZZ R Operation Manual 21JF2 SF SS X4 TiNS C043WJZZ R Operation Manual 21JF2 GA SA X4 TiNS C141WJZZ R Operation Manual 21JF2 SF SS X5 TGAN A101WJZZ AC R Guarantee Card 21JF2 RU X6 TCAUAA005WJZZ AA R Caution Card REAR S1 S4 S5 MARK Not repla...

Страница 77: ...Wrapping Paper 21JF2 RU S3 SSAKH0016PEZZ Wrapping Paper 21JF2 GA SA SF SS S4 TLABMB751WJZZ Model Label 21JF2 RU S4 TLABMB848WJZZ Model Label 21JF2 GA S4 TLABMB757WJZZ Model Label 21JF2 SA S4 TLABMB933WJZZ Model Label 21JF2 SF S4 TLABMB935WJZZ Model Label 21JF2 SS S5 TLABZB001WJZZ Packing Label 21JF2 RU S5 TLABZB037WJZZ Packing Label 21JF2 GA S5 TLABZB017WJZZ Packing Label 21JF2 SA S5 TLABZB086WJZZ...

Страница 78: ...duction Information Design SEM Production SREC MY KD No part of this publication may be reproduced stored in a retrieval system or transmitted in any form or by any means electronic mechanical photocopying recording or otherwise without prior written permission of the publisher COPYRIGHT 2005 BY SHARP CORPORATION ALL RIGHTS RESERVED ...

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