JVC AV-21MS30 Скачать руководство пользователя страница 33

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(No.YA328)2-9

2-10(No.YA328)

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PATTERN DIAGRAMS

MAIN PWB PATTERN

Содержание AV-21MS30

Страница 1: ...y of Japan Limited No YA328 2005 8 FLAT COLOUR TELEVISION YA328 2005 8 AV 21MS30 N TABLE OF CONTENTS 1 PRECAUTION 1 3 2 SPECIFIC SERVICE INSTRUCTIONS 1 4 3 DISASSEMBLY 1 6 4 ADJUSTMENT 1 12 5 TROUBLESHOOTING 1 29 BASIC CHASSIS CW2 EXIT RM C1286 ...

Страница 2: ...ier Frequency 4 43MHz PAL 4 40MHz 4 25MHz SECAM 3 58MHz 4 43MHz NTSC Aerial Input Terminal 75Ω unbalanced coaxial Power Input AC110V AC240V 50Hz 60Hz Power Consumption 112W Max 80W Avg Picture Tube 21 inch aspect ratio 4 3 flat square face type tinted Screen Size Visible size 51 0cm Diagonal 41 6cm 31 5cm H V High Voltage 29kV 1 5kV at zero beam current Speaker 6 5cm 13cm Oval type 2 Audio Output ...

Страница 3: ...IO VIDEO S VIDEO COMPONENT input terminals I2C bus control utilizes single chip ICs By means of AUTO PROGRAM the TV stations can be selected automatically and the TV channels can also be rearranged automatically Built in DIGITAL ECO MODE ECONOMY ECOLOGY In accordance with the brightness in a room the brightness and or contrast of the picture can be adjusted automatically to make the optimum pictur...

Страница 4: ...2 input Left signal 57 R2 I Audio R2 input right signal 58 Y3 Cvbs I S Video Y1 input 59 C1 I S Video C1 input 60 AudioLsL O Audio L output for audio power amplifier 61 AudioLsR O Audio R output for audio power amplifier 62 HP L O Not used 63 HP R O Not used 64 CVBSO PIP O CVBS PIP output 65 SVM O Not used 66 FbiSo I Flyback input sandcastle output 67 Hout O Horizontal output 68 VssComb GND 69 V5C...

Страница 5: ...R COVER 1 Remove the 2 screws D as shown in Fig 1 2 Follow the same steps when removing the other hand SPEAKER 3 1 4 CHECKING THE MAIN PW BOARD To check the back side of the MAIN PWB 1 Pull out the MAIN PWB Refer to REMOVING THE MAIN PW BOARD 2 Erect the MAIN PWB vertically so that you can easily check its back side CAUTIONS Before turning on power make sure that the CRT earth wire and other conne...

Страница 6: ... No YA328 1 7 Fig 1 PICTURE TUBE FRONT CABINET MAIN PWB MAIN PWB FRONT LED PWB FBT MAIN PWB CRT SOCKET PWB REAR COVER B C D D SPEAKER SPEAKER x2 x2 x7 x4 x2 A ...

Страница 7: ...whether the setting values of the SYSTEM CONSTANT SET are the same as those indicated in Table 1 If the value is different select the setting item with the MENU key and set the correct value with the MENU key 4 Press the DISPLAY key twice to return to the normal screen 5 Receive channel setting Refer to the OPERATING INSTRUCTIONS and set the receive channels channels preset 6 User setting Check th...

Страница 8: ...LUE BACK MUTE COLOUR AUTO ECO SENSOR SURROUND PICTURE BOOSTER COMPONENT PIP S INPUT Setting item Setting content Setting value MULTI NO NO NO PAT E R C M I STEREO NO NO NO YES YES NO YES NO YES MULTI TRIPLE PAL THAI YES NO YES NO YES NO SINGLE NO PAT STEREO PB MONO E R C M I E C YES NO YES NO YES NO YES NO YES NO YES NO YES NO YES NO YES NO ...

Страница 9: ...UE PR04 AI ECO SENSOR OFF AUTO SIGNAL DETECT ON DVD PICTURE MODE OFF TINT COLOR Centre WHITE BALANCE DVD COOL SOUND MODE DVD MUSIC CINEMA SURROUND DVD OFF Setting item Setting value 1 IF 1 VCO 2 DELAY POINT 2 V C 1 SCREEN 2 CUTOFF B G 3 WDR R G B 4 BRIGHT TV VDO 1 2 3 5 CONT TV VDO 1 2 3 TV 16 9 VDO 16 9 6 COLOUR TV VDO1 2 3 DVD 7 TINT TV VDO 1 2 3 8 SHARP Do not adjust 9 Y DELAY Do not adjust 10 ...

Страница 10: ...the tweezers and remove the chip part Transistors diodes variable resistors etc 1 Apply extra solder to each lead 2 As shown in the figure push the part with tweezers and alternately melt the solder at each lead Shift and remove the chip part NOTE After removing the part remove remaining solder from the pattern 2 How to install Chip parts Resistors capacitors etc 1 Apply solder to the pattern as i...

Страница 11: ...d in the adjustment instructions preset the following functions with the remote control unit User mode setting position 4 3 MEASURING INSTRUMENT AND FIXTURES 1 DC voltmeter or Digital voltmeter 2 Oscilloscope 3 Signal generator Pattern generator PAL SECAM NTSC 4 Remote control unit 4 4 ADJUSTMENT ITEMS B1 VOLTAGE FOCUS ADJUSTMENT IF CIRCUIT ADJUSTMENTS IF VCO adjustment DELAY POINT AGC TAKE OVER a...

Страница 12: ... UPPER FOCUS DEF YOKE IC702 MAIN PWB ASS Y CRT SOCKET T 6 1 4 1 FRONT HVT MAIN PWB ASS Y MAIN PWB ASS Y FRONT LED 1 6 1 4 1 1 4 5 6 1 X U LOWER SCREEN TU001 J809 S901 J808 S805 CN00A S803 S801 S804 S802 J807 J806 J804 J801 J802 J803 IC701 CN00S CN00C T PW DEG CN10A POWER CORD TP E E1 TP 47B POWER SW TP 47G R CN00C 1 5V 2 SCL0 3 SDA0 4 SCL1 5 SDA1 6 GND I2 C ...

Страница 13: ...entering adjusting the setting values adjustment values of the IF circuit 2 V C For entering adjusting the setting values adjustment values of the VIDEO circuit 3 AUDIO For entering adjusting the setting values adjustment values of the AUDIO circuit 4 DEF For entering adjusting the setting values adjustment values of the DEFLECTION circuit 5 VSM W B For setting the values of STANDARD SOFT BRIGHT a...

Страница 14: ...C WBC BRI V C 000A 0002 0009 5 VSM W B 1 BRIGHT VSM PRESET BRIGHT 4 DEF 1 V SHIFT DEF FULL 50Hz 1 BRIGHT 2 CONT 3 COLOUR 4 SHARP 5 HUE 1 R DRIVE 2 G DRIVE 3 B DRIVE Setting item 4 3 16 9 1 V SHIFT 2 V SLOPE 3 V SIZE 4 H CENT 5 H SIZE 6 TRAPEZ 7 EW PIN 8 COR UP 9 COR LO 10 ANGLE 11 BOW 12 V S CR 13 V LIN 14 V ZOOM 15 V SCROLL Setting item 1 IF 3 AUDIO 5 VSM W B 7 PLUG PLAY ON 2 V C 4 DEF 6 STATUS S...

Страница 15: ... the picture is in focus even when the screen gets darkened Item Measuring instrument Test point Adjustment part Description IF VCO check Remote control unit 1 IF 1 VCO CW Note Under normal conditions no adjustment is required 1 Receive a PAL broadcast signal 2 Select 1 IF from the SERVICE MENU 3 Select 1 VCO 4 Check the characters colour of the JUST REFERENCE displayed to yellow 5 Press the DISPL...

Страница 16: ...NT V 2 525i 625i 1 SCREEN BRI 0 63 31 31 31 31 31 31 2 CUTOFF B 0 63 32 31 43 43 43 43 0 0 G 0 63 32 31 28 28 28 28 3 3 3 WDR R 0 63 32 31 35 35 35 35 0 0 G 0 63 32 31 32 32 32 32 0 0 B 0 63 32 31 40 40 40 40 0 0 4 BRIGHT RF 0 63 34 34 34 34 VIDEO 1 COMPOSITE S 32 31 2 2 2 2 VIDEO 2 COMPONENT 32 31 2 2 2 2 1 1 VIDEO 3 COMPOSITE 32 31 2 2 2 2 5 CONT RF 0 63 18 18 18 18 VIDEO 32 31 0 0 0 0 2 2 6 COL...

Страница 17: ...lect VIDEO 2 SET from the MENU and set VIDEO 2 SET to COMPONENT 3 Adjust COMPONENT WHITE BALANCE in the same way as COMPOSITE WHITE BALANCE WHITE BALANCE High light adjustment Signal generator Remote control unit 2 V C 3 WDR R 3 WDR G 3 WDR B Notes Proceed to the following adjustment after having completed the WHITE BALANCE Low light adjustment Set PICTURE MODE VSM to BRIGHT 1 Receive a PAL black ...

Страница 18: ...ntrast 6 Press the DISPLAY key twice to return to the normal screen SUB COLOUR 1 adjustment Remote control unit 2 V C 6 COLOUR Method of adjustment without measuring instrument Notes Proceed to the following adjustment after having completed the SUB CONTRAST adjustment Set PICTURE MODE VSM to BRIGHT PAL COLOUR 1 Receive a PAL broadcast 2 Select 2 V C from the SERVICE MENU 3 Select 6 COLOUR 4 Set t...

Страница 19: ... colour system 3 Set the initial setting value of NTSC 3 58 COLOUR 4 Adjust NTSC 3 58 COLOUR to set the value A in the figure to 29V NTSC 4 43 COLOUR When adjustment is done for NTSC 3 58 COLOUR appropriate values are automatically set for NTSC 4 43 COLOUR SUB TINT 1 adjustment Signal generator Remote control unit 2 V C 7 TINT Method of adjustment without measuring instrument Notes Proceed to the ...

Страница 20: ... Connect the oscilloscope between TP 47B and TP E 7 Adjust NTSC 3 58 TINT to set the value B in the figure to 9V 8 Press the DISPLAY key twice to return to the normal screen NTSC 4 43 TINT When adjustment is done for NTSC 3 58 TINT appropriate values are automatically set for NTSC 4 43 TINT Item Measuring instrument Test point Adjustment part Description B W Y C G W M R B 0V Function Item Setting ...

Страница 21: ...rs 50Hz 60Hz 50Hz 60Hz 1 V SHIFT 0 63 32 31 32 0 0 0 2 V SLOPE 0 63 32 31 32 0 0 0 3 V SIZE 0 63 32 31 38 0 14 0 4 H CENT 0 63 32 31 32 0 0 0 5 H SIZE 0 63 32 31 0 0 0 0 6 TRAPEZ 0 63 32 31 0 0 0 0 7 EW PIN 0 63 32 31 0 0 0 0 8 COR UP 0 63 32 31 0 0 0 0 9 COR LO 0 63 32 31 0 0 0 0 10 ANGLE 0 63 32 31 32 0 0 0 11 BOW 0 63 32 31 32 0 0 0 12 V S CR 0 63 32 31 32 0 0 0 13 V LIN 0 63 32 31 32 0 0 0 14 ...

Страница 22: ...IZE 3 Set the initial setting value of 3 V SIZE 4 Select 14 V ZOOM 5 Set the initial setting value of 14 V ZOOM 6 Adjust 14 V ZOOM to make the vertical screen size to 92 of the picture size NTSC V HEIGHT 1 Receive a NTSC crosshatch signal 2 Make similar adjustment of NTSC V HEIGHT in the same way as for PAL V HEIGHT H POSITION adjustment Signal generator Remote control unit 4 DEF 4 H CENT PAL H PO...

Страница 23: ...PAL crosshatch signal 2 Select 10 ANGLE 3 Set the initial setting value of 10 ANGLE 4 Adjust 10 ANGLE to optimize the trapezium distortion at the centre of the screen NTSC H PARALLEL 1 Receive a NTSC crosshatch signal 2 Make similar adjustment of NTSC H PARALLEL in the same way as for PAL H PARALLEL H BOW adjustment Signal generator Remote control unit 4 DEF 11 BOW PAL H BOW 1 Receive a PAL crossh...

Страница 24: ...cal amplitude of the image to 240mm NTSC V HEIGHT 1 Receive a NTSC crosshatch signal of vertical frequency 60Hz 2 Make similar adjustment of NTSC V HEIGHT in the same way as for PAL V HEIGHT V SLOPE adjustment Signal generator Remote control unit 4 DEF 2 V SLOPE PAL V SLOPE 1 Receive a PAL circle pattern signal of vertical frequency 50Hz 2 Select 4 DEF from the SERVICE MENU 3 Select 2 V SLOPE 4 Se...

Страница 25: ... control unit 5 VSM W B 1 BRIGHT 2 CONT 3 COLOUR 4 SHARP 5 HUE 1 R DRIVE 2 G DRIVE 3 B DRIVE 1 Select 5 VSM W B from the SERVICE MENU 2 Select BRIGHT with the MENU OK key 3 Set the value of 1 BRIGHT 5 HUE to the values shown in the table 4 Respectively select the VSM PRESET mode for SOFT and STANDARD 5 Select COOL with the MENU OK key 6 Set the values of 1 R DRIVE 3 B DRIVE to the value shown in t...

Страница 26: ...ition them horizontally Fig 2 7 Adjust the gap between two lugs so that the GREEN RASTER will come into the centre of the screen Fig 3 8 Move the deflection yoke forward and fix the position of the deflection yoke so that the whole screen will become green 9 Insert the wedge to the top side of the deflection yoke so that it will not move 10 Input a crosshatch signal 11 Verify that the screen is ho...

Страница 27: ...VERGENCE ADJUSTMENT 1 Move the deflection yoke up and down and overlap the lines in the periphery Fig 2 2 Move the deflection yoke left to right and overlap the lines in the periphery Fig 3 3 Repeat 1 and 2 above and make best convergence 4 Adjust XV by XV coil Fig 4 After adjustment fix the wedge at the original position Fasten the retainer screw of the deflection yoke Fix the P C magnets with gl...

Страница 28: ...Method of detection State of abnormality B1 over current protection An over current on the low B1 line is detected The main microcomputer detects the possible abnormality at 24 msec intervals and judges the results in every 16 time Of the 16 times if NG is detected more than 9 times it is judged that there is an abnormality When an abnormality has been detected the SUB POWER is turned off While th...

Страница 30: ...SIF IN VIF IN SIF DETECT VIDEO IDENT AUDIO CONTROL COMB FILTER Y DELAY ADJ COLOUR DEMOD SYNC SEP H DRIVE VIF DETECT AGC AFT SOUND TRAP DIGITAL SIGNAL PROCESS PEAKING SCAN VELOCITY MOD U V DELAY RGB MATRIX GAMMA AUDIO SELECT VIDEO SELECT I O PORT AUDIO SELECT Y PB PR V2 Y V1 C1 V3 L1 L2 L3 R1 R2 R3 VOUT LOUT ROUT 24 25 SV_DET 122 79 80 78 55 58 59 51 49 50 56 57 34 35 48 36 37 ROUT 85 GOUT BOUT 86 ...

Страница 31: ...IVER RPM7238 H5 1 2W QQR1199 002 QNS0155 001 1 2W 1 2W QGA2501C5 04Z QSW0619 003Z QSW0619 003Z QSW0619 003Z QSW0619 003Z QSW0619 003Z MA8039 H X SCW 1711A SCW 1712A SCW 1713A SCW 1623A 2SA562TM Y T 1 2W 1 2W QUY160 100Y MA8036 X QUY160 150Y QUY160 150Y QNN0282 001 LH22440 T16 D G S SSM3K02F X 1 2W CH ECO S9648 CP ICP N25 T NCB31HK 152X NCB31HK 152X QUY160 075Y QUY160 200Y QUY160 150Y QUY160 075Y Q...

Страница 32: ...02 QAD0134 4R5 QRZ9046 825Z QEHR1VM 227Z TDA6107AJF N1 QCZ0364 152 QNZ0536 001 QNZ0536 001 QRZ0107 152Z QRZ0107 152Z QRZ0107 152Z AC250V QCZ9079 102 QQR1522 001 1 2W MY 1 2W CH QJL001 065631 1 2W QQR0601 001Z FMX G12S QGA7901 C1 02 SCW 1701A CP TT2190LS YB11 QCB32HK 471Z CP ICP N75 T QUY160 125Y QUY160 125Y SCW 1711A SCW 1712A SCW 1713A SCW 1623A 1 2W 1 2W QCZ0364 102 QUY160 150Y QRL039J 470 QRT02...

Страница 33: ...001 C765 W062 L710 C761 C762 63 C7 L709 R731 R732 R733 R734 R735 Q984 C760 C758 C759 L707 L708 R982 R983 R984 R985 R986 C702 D981 J806 W099 W028 W078 W079 R528 W102 W084 D982 R461 W103 W087 R462 R520 W092 R535 W094 W095 R803 IC401 W134 R783 Y818 W106 W138 Y819 W105 J801 D817 Q609 Q610 W113 R655 Q611 R634 R635 W108 W109 W110 R636 W058 Y817 H R342 CN00T R736 C701 IC801 D807 K701 C922 W140 R755 R751 ...

Страница 34: ... 112 0 113 0 114 3 1 115 2 7 116 1 8 117 1 9 118 3 2 119 0 120 0 121 3 2 122 0 123 0 124 1 9 125 0 126 0 127 0 128 3 1 IC702 1 0 2 0 3 0 4 0 5 3 2 6 3 2 7 0 8 3 2 IC901 1 0 2 1 1 3 0 8 4 2 0 5 0 6 0 7 2 4 8 10 2 IC951 1 134 1 2 11 3 3 0 IC972 1 6 9 2 3 3 3 0 IC973 1 14 9 2 12 0 3 0 4 2 5 IC975 1 8 2 2 4 9 3 0 4 2 5 Q101 E 1 1 C 11 9 B 1 8 Q341 E 8 1 C 1 8 B 8 2 Q521 E 0 C 10 6 B 0 Q522 E 0 C 112 0...

Страница 35: ... V IC701 67 3 3Vp p H IC701 74 1 4Vp p H IC701 66 5 4Vp p H H IC701 87 1 7Vp p H IC701 48 1 9Vp p H T522 9 240Vp p T522 8 25Vp p H H T522 7 120Vp p H T522 6 120Vp p H T522 4 62Vp p H T522 2 6 0Vp p H Q522 C 1050Vp p H Q521 B 1 5Vp p Q521 C 19Vp p H Q522 B 2 3Vp p H H IC351 8 140Vp p IC351 7 80Vp p IC351 9 140Vp p H IC701 85 2 0Vp p IC701 86 1 4Vp p H H 0 2us div 0 2us div H CRT SOCKET PWB ...

Страница 36: ...pacitor MF R Metal Film Resistor MF CAP Metalized Film Capacitor MG R Metal Glazed Resistor MM CAP Metalized Mylar Capacitor MP R Metal Plate Resistor MP CAP Metalized Polystyrol Capacitor OM R Metal Oxide Film Resistor PP CAP Polypropylene Capacitor CMF R Coating Metal Film Resistor PS CAP Polystyrol Capacitor UNF R Non Flammable Resistor TF CAP Thin Film Capacitor CH V R Chip Variable Resistor M...

Страница 37: ... EXPLODED VIEW PARTS LIST 1 3 3 EXPLODED VIEW 1 3 3 EXPLODED VIEW PARTS LIST 2 3 4 EXPLODED VIEW 2 3 5 PRINTED WIRING BOARD PARTS LIST 3 6 MAIN P W BOARD ASS Y SCW 1772A H2 3 6 PREMOTE CONTROL UNIT PARTS LIST RM C1286 1H 3 10 PACKING 3 10 PACKING PARTS LIST 3 10 ...

Страница 38: ...1286 1H Ref No Part No Part Name Description Local 1 GG10341 001B H SP PANEL x2 2 GG10340 001B H FRONT FRAME TOP 3 GG10340 002B H FRONT FRAME BOT 4 GG30117 001A H OPERATION SHEET 5 GG30115 001B H LED LENS 100 GG10338 001C H FRONT CABINET ASS Y Inc 101 102 103 101 GG20082 001B H DOOR 102 GG30114 001B H POWER KNOB 103 CM35235 003 H SPRING 100 5 4 2 3 1 1 101 103 102 ...

Страница 39: ...mm x4 14 GG10187 218A H REAR COVER 15 CM47005 A01 H POWER CORD CLAMP 16 QMPR340 165 K2 POWER CORD 1 65m BLACK 17 GG30119 001B H SUB PCB HOLDER 18 QAL0608 001 PC MAGNET 19 QAL0627 001 DY WEDGE x3 20 A48457 3 H SPRING 21 WJY0029 001A E BRAIDED ASS Y 22 WJY0013 003A E BRAIDED SUB ASS Y 23 CM36623 003 H CHASSIS RAIL x2 24 GG40046 001A H TAP SCREW x4 25 LC40226 005A H SPACER x4 26 GG20057 002A H SPEAKE...

Страница 40: ... YA328 3 5 EXPLODED VIEW 2 V01 FRONT CABINET MAIN PWB 30 MAIN PWB FRONT LED PWB 30 T522 MAIN PWB CRT SOCKET PWB 30 14 28 12 13 16 15 17 20 21 22 23 23 18 24 24 25 25 25 26 26 26 27 27 L01 DY01 25 26 19 11 ...

Страница 41: ... DIODE D753 MA8091 H X Z DIODE D808 LH22440 T16 LED POWER RED D810 MA8091 H X Z DIODE D811 MA8091 H X Z DIODE D812 MA8091 H X Z DIODE D813 MA8091 H X Z DIODE D814 MA8091 H X Z DIODE D817 MA8091 H X Z DIODE D901 GSIB460 S1 BRIDGE DIODE D921 FR105GT T3 SI DIODE D924 1SR35 400A T2 SI DIODE D925 1SR35 400A T2 SI DIODE D926 MA8180 M X Z DIODE D928 MA8180 M X Z DIODE D950 MTZJ27B T2 Z DIODE D951 RU4AM L...

Страница 42: ...CAPACITOR 100uF 16V M C763 NCB31CK 224X C CAPACITOR 0 22uF 16V K Ref No Part No Part Name Description Local C764 NCB31CK 104X C CAPACITOR 0 1uF 16V K C765 QETN1CM 107Z E CAPACITOR 100uF 16V M C766 NCB31CK 224X C CAPACITOR 0 22uF 16V K C767 NCB31CK 224X C CAPACITOR 0 22uF 16V K C768 NCB31CK 224X C CAPACITOR 0 22uF 16V K C770 NCB31CK 104X C CAPACITOR 0 1uF 16V K C771 QETN1HM 226Z E CAPACITOR 22uF 50...

Страница 43: ... 221X MG RESISTOR 220Ω 1 16W J Ref No Part No Part Name Description Local R707 NRSA63J 223X MG RESISTOR 22kΩ 1 16W J R708 NRSA63J 103X MG RESISTOR 10kΩ 1 16W J R709 NRSA63J 105X MG RESISTOR 1MΩ 1 16W J R711 NRSA63J 222X MG RESISTOR 2 2kΩ 1 16W J R712 NRSA63J 392X MG RESISTOR 3 9kΩ 1 16W J R713 NRSA63J 222X MG RESISTOR 2 2kΩ 1 16W J R714 NRSA63J 392X MG RESISTOR 3 9kΩ 1 16W J R715 NRSA63J 391X MG R...

Страница 44: ...RRITE BEADS L706 NQR0199 004X FERRITE BEADS L707 NQR0199 004X FERRITE BEADS L708 NQR0199 004X FERRITE BEADS L709 NQR0199 004X FERRITE BEADS L710 NQR0199 004X FERRITE BEADS L711 NQR0199 004X FERRITE BEADS L712 NQR0199 004X FERRITE BEADS L713 NQR0199 004X FERRITE BEADS L714 NRSA02J 0R0X MG RESISTOR 0Ω 1 10W J L715 NQR0199 004X FERRITE BEADS L716 NQR0199 004X FERRITE BEADS L717 NQR0199 004X FERRITE B...

Страница 45: ... BATTERY COVER Ref No Part No Part Name Description Local 1 GG10285 002A H PACKING CASE 2 GG10342 001B H CUSHION ASS Y 4pcs in 1set 3 GG30097 003A H POLY BAG 4 GG30096 001A H POLY BAG 5 BATTERY AA R6 x2 6 GGT0097 001A H INST BOOK 7 GG40042 001A H CORD CLAMP R C 8 RM C1286 1H REMOCON UNIT 9 GG20025 005A H CORNER LABEL 9 6 2 2 5 1 4 3 8 7 ...

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