AOC LM520i Скачать руководство пользователя страница 36

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8-2 Inverter/Power Board

Q207
MPS3906

R232
1K 1/16W

D201
SR24

R236
620 1/16W

TP3
HVL

R226
1K 1/16W

R212
3.9K 1/16W

DIM

R214

2.2K 1/16W

R225

1K 1/16W

INVERTER

AOC (Top Victory) Electronics Co., Ltd.

星期四

五月

15, 2003

Title

Size

Document Number

Rev

Date:

Sheet

R234

910 1/16W

D203

RLZ11B

TP4
HVL

R216
220 1/16W

R204
10K 1/16W

CN202

CONN

1
2

C211

1uF/25V

C204

0.1uF

Q209
2SC5706

NO/OFF

C216
22pF/3KV

Q203 SI4431DY-T1

C209
1uF/25V

Q210
2SC5706

C208

330pF

C203
1uF/25V

is signal GND

+12V

R238
12K 1/16W

R227

1K 1/16W

R220
15K

D209

1N4148

D205
1N4148

R219

1K 1/16W

Q202
DTA144WKA

C205
0.1uF/25V

R201
47K

C215
22pF/3KV

CN201

CONN

1
2

R208
4.7K 1/16W

C202
0.1uF/25V

C201
150uF/25V

R210
12K 1/16W

L201
L

TP1
HVO

R218

100 1/16W

C225

1uF/25V

Q201
DTC144WKA

R207
NC

U201
TL1451ACNSR

1IN+

1IN-

1FBK

1DTC

1OUT

GND

2OUT

2DTC

2FBK

2IN-

2IN+

SCP

REF

D207

1N4148

C221
0.47uF/25V

R240
51K 1/16W

C213
.15uF/160V

R224

1K 1/16W

C207
4.7uF

C219
1uF/25V

is power GND

R205
47K

R222
12K 1/16W

Q205
MPS3904

PT201

POWER X'FMR

3,4

L202

TRANSFORMER

IC905

AIC1084-33CT

VIN

ADJ

Vout

L902

CN301

PHONEJACK

4
5

D902
PS102R

R904
1M 1/4W

F902
FUSE

R928
1K 1/10W

R914
NC

CN102

CONN

C933
470uF/16V

SG6841

IC901
SG6841

F901
FUSE

CN901

SOCKET

D912

31DQ06

R925
3.6K 1/10W

R927
1K 1/10W

R905
1M 1/4W

C902

0.001uF/160V

R919
0.39 2W

ON/OFF

C912
NC

CN302

CONN

R917

JUMPER

R913
NC

R907
1M 1/4W

C929
470uF/16V

POWER

星期四

五月

15, 2003

<Title>

Size

Document Number

Rev

Date:

Sheet

C934
0.1uF

D901
FR107

C928
0.1uF

R918
20K 1/4W

C904

0.47uF/250V

Q901

2PA733P

C909

0.1uF

2.5V

ZD903
HZ5C1

T901

POWER X'FMR

7,8

10,11

C926
470uF/16V

C921

0.001uF/500V

BD901

2KBP06M

D906

1N4148

R929
0 1/16W

INL

C935
0.01uF

C911

0.001uF

R902

1M 1/16W

TO INVERTER

R920
47 1/2W

ZD905
RLZ20B

3.3V

GND

C901

0.001uF/160V

ZD902
HZ12B2

R915
10K 1/16W

R935

150 1/16W

D905
1N4148

ZD904
SML4737A/1

GND

Q902
2PC945P

R930

100 1/4W

R903
100K 2W

C930

470uF/16V

R906
1M 1/4W

TO INVERTER

IC902

PC123FY2 4P

R901
1M 1/16W

12V

FB901

BEAD

R908

6.8 1/16W

C906

0.0015uF/2KV

R933
0 1/16W

L903

R924
33K 1/10W

5VA

GND

R910
4.7K 1/16W

FB903
BEAD

L904

R909

4.7K 1/16W

R922
47 1/4W

GND

C924
470uF/16V

D903
1N4148

C920

0.001uF/500V

IC906 AIC1084CT

VIN

ADJ

Vout

R934
150 1/16W

C931
0.1uF

C927
0.1uF

R932
NC

ZD901

RLZ20B

D904
1N4148

INR

GND

SW_ON/OFF

CN902

R916
24K 1/10W

D910

31DQ10

C922
1000uF/16V

R911
4.7K 1/16W

FB902
BEAD

C907
22uF

DIM

IC903

HTL431

Q903
2SK2996

C936
0.1uF

C932
470uF/16V

C913
0.0047uF/250V

TO INVERTER

R931
1K 1/16W

C910

0.1uF

NR901
NTCR

R912

100 1/16W

C925
1000uF/16V

C908

0.1uF

R926
24K 1/10W

C905
100uF/400V

Содержание LM520i

Страница 1: ...REPAIR SERVICE INFORMATION ONLY EVERY REASONABLE EFFORT HAS BEEN MADE TO ENSURE THE ACCURACY OF THIS MANUAL WE CANNOT GUARANTEE THE ACCURACY OFTHIS INFORMATION AFTER THE DATE OF PUBLICATION AND DISCLAIMS RELIABILITY FOR CHANGES ERRORS OR OMISSIONS MANUFACTURE DATA Feb 22 04 ...

Страница 2: ... 7 4 1 ADJUSTMENT CONDITIONS AND PRECAUTIONS 7 4 2 ADJUSTMENTS METHOD DESCRIPTION 7 4 3 FRONT PANEL CONTROL KNOBS 8 5 CIRCUIT SOFTWARE DESCRIPTION 9 5 1 THE DIFFERENT BETWEEN EACH PANEL 9 5 2 SPECIAL FUNCTION WITH PRESS KEY 10 5 3 SIMPLE INTRODUCTION ABOUT LM500 CHIPSET 11 5 4 SOFTWARE FLOW CHART 13 6 TROUBLE SHOOTING 15 A MAIN BOARD TROUBLE SHOOTING CHART 15 B INVERTER MODULE TROUBLE SHOOTING CHA...

Страница 3: ...gnal Analog signal 0 7Vpp Video signal termination impedance 75 OHM 5 Scanning Frequencies Horizontal 29 KHz 63 KHz Vertical 55 Hz 75 Hz Pixel clock 80 MHz 6 Factory Preset Timing 18 User Timings 19 Input signal tolerance H tolerance 1 K V tolerance 1 Hz 7 Power Source Switching Mode Power Supply AC 100 240 V 50 60 Hz Universal Type 8 Operating Temperature 5 35 Ambient Non operating Temperature 20...

Страница 4: ...l provide AC to DC Inverter voltage to drive the backlight of panel and the main board chips each voltage 1 3 Interface Connectors A AC Power Cable B Video Signal Connectors and Cable C Audio Cable Power board include adapter inverter Flat Panel and CCFL backlight Main Board Keyboard RS232 Connector For white balance adjustment in factory mode HOST Computer CCFL Drive AC IN 100V 240V Video signal ...

Страница 5: ...he power is turn off 2 Please do not change variable resistance settings in MAIN BOARD they are adjusted to the most suitable value If they are changed it might happen LUMINANCE does not satisfy the white balance spec 3 Please consider that LCD backlight takes longer time to become stable of radiation characteristic in low temperature than in room temperature 4 Please pay attention to displaying t...

Страница 6: ...to ensure firm grounding The connector information is as follow 15 Pin Color Display Signal Cable PIN NO DESCRIPTION PIN NO DESCRIPTION 1 RED 9 5V power from VGA card 2 GREEN 10 GND 3 BLUE 11 SYNC GND 4 GND 12 SDA 5 GND 13 HORIZ SYNC 6 GND R 14 VERT SYNC 7 GND G 15 SCL 8 GND B 3 Apply power to the display by turning the power switch to the ON position and allow about thirty seconds for Panel warm ...

Страница 7: ...IN98 95 shut down mode dot pattern Adjust the horizontal interference as less as possible This function is adjust the phase shift of PIXEL CLOCK to acquire the right pixel data If the relationship of pixel data and pixel clock not so match we can see the horizontal interference at screen only at crosstalk pattern and dot pattern we can find this phenomena other pattern the affect is very light 4 H...

Страница 8: ...til press RESET at osd menu in factory mode The RESET function in factory mode will execute following function 1 clear the Power on counter to zero hours 2 clear old auto configuration status for all mode so the monitor will automatically re do auto config when change to next mode or power on off 4 3 FRONT PANEL CONTROL KNOBS Power button Press to switch on or switch off the monitor Auto button to...

Страница 9: ... x 0 297 V mm Display Mode Normally White 5 1 3 Optical Characteristics The optical characteristics are measured under stable conditions at 25 Room Temperature Item Symbol Conditions Min Typ Max Unit Note Contrast Ratio Center of screen C R 300 400 Rising Tr Response Time Falling Tf Tf Tr 35 Msec Luminance of White Center of screen YL 200 250 Cd m2 Rx 0 623 Ry 0 335 Gx 0 293 Gy 0 599 Bx 0 144 By 0...

Страница 10: ... FOR 1 LOAD H V open Vopen 1450 1600 1750 Vrms NO LOAD Start voltage Vst 1650 1750 1850 Vrms RL CCFL H V Load Vload 350 450 550 Vrms RL 120KΩ 5 2 SPECIAL FUNCTION with PRESS KEY press Menu button during 2 seconds along with plug in the AC Power cord That operation will set the monitor into Factory mode in Factory mode we can do the White balance adjustment with RS232 and view the Backlight counter...

Страница 11: ...s this is new user mode AUTO CONFIG will disable 5 3 SIMPLE INTRODUCTION about LM520A chipset MODULE TPYE COMPONENT Inverter Power Board OSD Control Interface CN503 Scalar gm5115 gm2115 Include MCU ADC OSD U203 Flash Memory A290011TL 70 U202 EEP ROM 24C16 D Sub Connector CN1 EEPROM 24C02 U104 RGB RXD TXD DB15_SDA DB15_SCL EPR_SDA EPR_SCL LCD Interface CN501 CN502 DVI I only Connector CN101 EEPROM ...

Страница 12: ...12 Inverter Block Diagram ...

Страница 13: ...13 5 4 SOFTWARE FLOW CHART 1 2 N Y 5 Y N 10 Y N 12 Y N 7 Y N 6 4 3 8 9 14 11 13 Y N 15 Y N 16 17 19 Y N 18 ...

Страница 14: ...t it to green color Scaler initialize 10 In standby mode 11 Update the life time of back light 12 Check the analog port are there any signals coming 13 Does the scalar send out a interrupt request 14 Wake up the scalar 15 Are there any signals coming from analog port 16 Display No connection Check Signal Cable message And go into standby mode after the message disappear 17 Program the scalar to be...

Страница 15: ...e or cold solder Check Power Board Yes there have OSD show Yes all DC level exist Disconnected the Signal cable Loose the Signal cable Is the screen show Cable Not Connected Connected the Signal cable again Check LED status Led Green Replace U202 Flash Rom No nothing is show Connected the Signal cable again Check LED status Check Power switch is in Power on status and check if Power switch had bee...

Страница 16: ...the inveter connector CN303 Pin 1 14V pin 3 on off control 5V on NG still no screen Check the Bklt On relative circuit R315 Q304 R311 In normal operation when LED green R315 Bklt On should 0 v If Bklt On no response when the power switch turn NG NG OK OK Measured U201 Oscillator output R215 50mhZ Replace Oscillator U201 NG no transition OK has transitio Measured X300 Crystal output 20mhZ Replace C...

Страница 17: ... the U203 GM5120 2120 OK NG no Voltage Measured the Q501 pin 3 3 3 V Check U202 pin 2 3 3V OK OK Replace Q501 AO3401 Yes NG Check the Bklt On relative circuit R357 R358 In normal operation when LED green R357 Bklt On should 5 v If Bklt On no response when the power switch turn on off Replace U203 GM5115 2115 NG still no screen OK NG Replace Power board Re do white balance Measured the inverter con...

Страница 18: ...ion OK Replace GM5115 2115 U203 or replace Main board Check U203 GM5115 2115 Signal output ER0 7 EG0 7 EB0 7 OR0 7 OG0 7 OB0 7 Is the waveform ok Check CP501 CP511 or LP501 LP509 or RP201 or RP202 or Q501 or Q502 Signal output Is the waveform ok OK If Main Board being replace please do the DDC content reprogrammed Replace CP501 CP511 or LP501 LP509 or RP201 or RP202 or Q501 or Q502 replace MAINBOA...

Страница 19: ...19 6 2 Power Inverter Board 1 No power ...

Страница 20: ...20 2 W LED No Backlight ...

Страница 21: ...RONT BEZEL 85A548 15A5683 HANNSTAR 750ALCDX41 1 34A785 33A4095 KEPC560EKMN POWER LENS 33A3782 SHIELD 85A580 79AL15 6 S 85A577 Q1A1030 12 128X4 34A677 80AL15 2 L1 34A787 EARTH CLIP 85A562 TURN BASE 34A786 BASE SHIELD 15A5687 BASE HOLDER 15A5688 X 4 REAR COVER SCREW Q1A340 16 128X4 34A675 SCREW Q1A1030 10 128 X 4 SCREW Q1A1030 10 128 X 4 PLASTIC GEAR 11A144 1 SCREW Q1A1020 6 120 RUBBER FOOT 12A385 1...

Страница 22: ...81 26704 唛头纸 FOR CARTON PALLET 0 05 PCS 41L 68508 A 管制卡 0 1 PCS 41L 68615 4B TCO 99 CARD 1 PCS 41L150061558B MANUAL 1 PCS 41L780061528A WARRANTY CARD 1 PCS 44L3231 14 EVA WASHER 1 PCS 44L3231 15528 EVA WASHER 1 PCS 44L3231508512 导电泡棉 1 PCS 44L351561522A CARTON 1 PCS 44L3524 1 EPS L 1 PCS 44L3524 2 EPS R 1 PCS 44L9003210 护角板 0 06 PCS 45L 76 28 RN PE BAG for MANUAL BASE 2 PCS 45L 77 3 打包膜 173 CM 45L...

Страница 23: ...KHDAC MAIN BOARD 1 PCS CN11 33L800912A HEADER 2 6P 1 PCS CN9 33L8027 16 WAFER 16PIN 2 0mm DIP 1 PCS 40L 457624 1B CPU LABEL 1 PCS 40L 45762412A CBPC LABEL 1 PCS 51L 6 4500 RTV 胶 0 G 51L 6 4502 RTV 胶 0 G 51L 6 4503 RTV 胶 3 G 52L6026 1 网版纸 20 MM 52L6026 2 网版纸 20 MM U6 56L1133 42 C3 A290011TL 70 1 PCS CN2 88L 35315FHAS D SUB 15PIN 1 PCS X1 93L 22 53 CRYSTAL 14 318MHzHC 49U 1 PCS PARENT NO AIC560KHDAC...

Страница 24: ...1L0603000 CHIPR 0OHM 5 1 10W 1 PCS R76 61L0603000 CHIPR 0OHM 5 1 10W 1 PCS R83 61L0603000 CHIPR 0OHM 5 1 10W 1 PCS R90 61L0603000 CHIPR 0OHM 5 1 10W 1 PCS R91 61L0603000 CHIPR 0OHM 5 1 10W 1 PCS R10 61L0603101 CHIPR 100 OHM 5 1 10 1 PCS R15 61L0603101 CHIPR 100 OHM 5 1 10 1 PCS R16 61L0603101 CHIPR 100 OHM 5 1 10 1 PCS R17 61L0603101 CHIPR 100 OHM 5 1 10 1 PCS R18 61L0603101 CHIPR 100 OHM 5 1 10 1...

Страница 25: ...30 CHIPR 33 OHM 5 1 10W 1 PCS R92 61L0603330 CHIPR 33 OHM 5 1 10W 1 PCS R19 61L0603470 CHIPR 47 OHM 5 1 10W 1 PCS R28 61L0603470 CHIPR 47 OHM 5 1 10W 1 PCS R113 61L0603472 CHIPR 4 7K OHM 5 1 1 1 PCS R115 61L0603472 CHIPR 4 7K OHM 5 1 1 1 PCS R32 61L0603472 CHIPR 4 7K OHM 5 1 1 1 PCS R46 61L0603472 CHIPR 4 7K OHM 5 1 1 1 PCS R95 61L0603472 CHIPR 4 7K OHM 5 1 1 1 PCS R38 61L0603750 CHIPR 75 OHM 5 1 ...

Страница 26: ... 0 1UF 10 16V X7R 1 PCS C38 65L0603104 12 0 1UF 10 16V X7R 1 PCS C39 65L0603104 12 0 1UF 10 16V X7R 1 PCS C40 65L0603104 12 0 1UF 10 16V X7R 1 PCS C41 65L0603104 12 0 1UF 10 16V X7R 1 PCS C42 65L0603104 12 0 1UF 10 16V X7R 1 PCS C43 65L0603104 12 0 1UF 10 16V X7R 1 PCS C44 65L0603104 12 0 1UF 10 16V X7R 1 PCS C45 65L0603104 12 0 1UF 10 16V X7R 1 PCS C46 65L0603104 12 0 1UF 10 16V X7R 1 PCS C47 65L...

Страница 27: ...71L 56B221 CHIP BEAD 220 OHM TB201 1 PCS FB10 71L 56Z601 CHIP BEAD 600 OHM 0805 1 PCS FB4 71L 56Z601 CHIP BEAD 600 OHM 0805 1 PCS FB5 71L 56Z601 CHIP BEAD 600 OHM 0805 1 PCS FB6 71L 56Z601 CHIP BEAD 600 OHM 0805 1 PCS FB7 71L 56Z601 CHIP BEAD 600 OHM 0805 1 PCS FB8 71L 56Z601 CHIP BEAD 600 OHM 0805 1 PCS FB9 71L 56Z601 CHIP BEAD 600 OHM 0805 1 PCS R50 71L 59C301 BEAD FCM1608C 301T01 0 PCS R69 71L ...

Страница 28: ...D1 81L 12 1 BH 3 PIN LED 1 PCS LED1 81L 12 1 GP LED 0 PCS JP801 95L8014 8506 HARNESS 1 PCS PARENT NO AIK562KD1 KEY BOARD FOR T562K 715L 707 1 1 TF 1560 KEY BOARD SMD 1 PCS J101 95L 90 23 TIN COATED 0 PCS J102 95L 90 23 TIN COATED 0 PCS Q101 95L 90 23 TIN COATED 0 PCS Q102 95L 90 23 TIN COATED 0 PCS R106 95L 90 23 TIN COATED 0 PCS R107 95L 90 23 TIN COATED 0 PCS R109 95L 90 23 TIN COATED 0 PCS R108...

Страница 29: ...PF 5 3KV MURATA 0 PCS C216 65L 3J2206EM 22PF 5 3KV MURATA 0 PCS C215 65L 3J2206ET 22PF 5 3KV TDK 1 PCS C216 65L 3J2206ET 22PF 5 3KV TDK 1 PCS C901 65L305M1022B2 1000PF 汇侨 400VAC 250VAC 0 PCS C902 65L305M1022B2 1000PF 汇侨 400VAC 250VAC 0 PCS C901 65L305M1022E3 1000PF 20 400VAC BY 0 PCS C902 65L305M1022E3 1000PF 20 400VAC BY 0 PCS C901 65L305M1022EM 1000PF 20 250VAC 400 1 PCS C902 65L305M1022EM 1000P...

Страница 30: ...SMT LCD POWER ASS Y FOR SM U201 56L 379 31 FP1451 0 PCS Q203 56L 566 10 SI4431DY T1 SMT 0 PCS U201 56L 608 1 TL1451ACD 1 PCS Q203 56L 763 4 RSS050P03 0 PCS Q202 57L 760 4 DTA144WKA BY ROHM SMT 7 1 PCS Q201 57L 760 5 DTC144WKA BY ROHM SMT 8 1 PCS Q203 57L 763 3 AO4411 SO 8 BY AOS SMT 1 PCS R208 61L0603000 CHIPR 0OHM 5 1 10W 1 PCS R929 61L0603000 CHIPR 0OHM 5 1 10W 1 PCS R218 61L0603101 CHIPR 100 OH...

Страница 31: ...PR 680K OHM 5 1 4W 1 PCS R907 61L1206684 CHIPR 680K OHM 5 1 4W 1 PCS C910 65L0603104 37 CHIP 0 1UF 50V Y5V 1 PCS C927 65L0603104 37 CHIP 0 1UF 50V Y5V 1 PCS C928 65L0603104 37 CHIP 0 1UF 50V Y5V 1 PCS C202 65L0805104 22 0 1UF 10 25V X7R 080 1 PCS C205 65L0805104 22 0 1UF 10 25V X7R 080 1 PCS C203 65L0805105 27 CHIP 1UF 25V Y5V 0805 1 PCS C209 65L0805105 27 CHIP 1UF 25V Y5V 0805 1 PCS C211 65L08051...

Страница 32: ... 95L 90 23 TIN COATED 0 PCS J903 95L 90 23 TIN COATED 0 PCS J904 95L 90 23 TIN COATED 0 PCS J905 95L 90 23 TIN COATED 0 PCS J906 95L 90 23 TIN COATED 0 PCS R917 61L 17210052T 100HM 5 1 4W 1 PCS R930 61L 17210152T 100 OHM 5 1 4W 1 PCS R918 61L 17210352T CFR 10KOHM 5 1 4W 1 PCS R922 61L 17247052T 47OHM 5 1 4W 1 PCS R908 61L 17268952T 6 8OHM 5 1 4W 1 PCS R220 61L 60215352T 15KOHM 5 1 6W 1 PCS R205 61...

Страница 33: ... 7T 22UF 20 50V 1 PCS C924 67L215B4713HT 470UF 16V LTR471M1CF11V 1 PCS C926 67L215B4713HT 470UF 16V LTR471M1CF11V 1 PCS C201 67L215C1514HT LOW ESR 150UF 25V 8 7MM 1 PCS PARENT NO 705L 560 57 01 Q903 ASS Y 51L 200 1 散热油 0 02 G Q903 57L 723 3B 2SK2761 01MR 0 PCS Q903 57L 724 4 2SK2996 0 PCS Q903 57L 724 4A STP9NK60ZFP 1 PCS 90L 411 1 HEAT SINK 1 PCS M1L1730 6128 SCREW M3x6 1 PCS PARENT NO 705L 780 5...

Страница 34: ...1 4 7K 1 16W FLASH Prom Jet Socket SET EG0 SP R207 10K 1 16W LP RMDATA5 R214 10K 1 16W 3 3V_RDDS RMADDR8 DVI_PLUG OG7 C614 22uF 16V Close to respective power Pins GND GREEN C615 100pF GND VCC_ROM LED_ORANGE EG1 OCM_START 0 x DVI_PLUG GPIO3 GPIO6 EB2 R210 10K 1 16W RMADDR4 EG7 OG3 RX0 RMADDR1 EB4 RMADDR14 R216 4 7K 1 16W RS232 GND RX0 GPIO2 3 3V GND RMADDR3 USER_BITS 7 5 1 GND BANK0 RMADDR15 GPIO0 ...

Страница 35: ... 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 RSP3 RCLK GND ACLK GND CP503 22pF 1 2 3 4 5 6 7 8 ER 0 7 ABLU3 BRED7 BBLU6 AGRN2 BCLK INV LP BBLU3 LP507 120 OHM 8P4R 1 2 3 4 5 6 7 8 CP504 22pF 1 2 3 4 5 6 7 8 RSP3 ARED4 0805 EG4 ABLU7 BGRN3 BGRN5 DVS ARED3 ARED7 OR5 ABLU2 ACLK LP506 120 OHM 8P4R 1 2 3 4 5 6 7 8 LP508 120 OHM 8P4R 1 2 3 4 5 6 7 8 BGRN4 ABLU4 BGRN7 ARED3 AGRN5 ...

Страница 36: ...11 12 C933 470uF 16V SG6841 IC901 SG6841 1 3 4 7 2 5 6 8 F901 FUSE CN901 SOCKET 1 2 3 D912 31DQ06 R925 3 6K 1 10W R927 1K 1 10W 2 R905 1M 1 4W C902 0 001uF 160V R919 0 39 2W ON OFF C912 NC CN302 CONN 1 2 3 R917 JUMPER 1 2 R913 NC R907 1M 1 4W C929 470uF 16V 1 POWER B 1 3 星期四五月 15 2003 Title Size Document Number Rev Date Sheet of C934 0 1uF D901 FR107 C928 0 1uF R918 20K 1 4W C904 0 47uF 250V Q901...

Страница 37: ...37 10 PCB Layout 10 1 Main Board 715L1039 1 ...

Страница 38: ...38 ...

Страница 39: ...39 10 2 Inverter Power Board 715L1034 1 ...

Страница 40: ...40 ...

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