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Repair tips

0. Warning

1. Servicing of SMDs (Surface Mounted Devices)

All ICs and many other semi-conductors are susceptible to

electrostatic discharges (ESD). Careless handling during repair can

reduce life drastically. When repairing, make sure that you are

connected with the same potential as the mass of the unit via a wrist

wrap with resistance. Keep components and tools also at the same

potential !

1.1 General cautions on handling and storage

- Oxidation on the terminals of SMDs results in poor soldering. Do not

handle SMDs with bare hands.

- Avoid using storage places that are sensitive to oxidation such as

places with sulphur or chlorine gas, direct sunlight, high

temperatures or a high degree of humidity. The capacitance or

resistance value of the SMDs may be affected by this.

- Rough handling of circuit boards containing SMDs may cause

damage to the components as well as the circuit boards. Circuit

boards containing SMDs should never be bent or flexed. Different

circuit board materials expand and contract at different rates when

heated or cooled and the components and/or solder connections

may be damaged due to the stress. Never rub or scrape chip

components as this may cause the value of the component to

change. Similarly, do not slide the circuit board across any

surface.

1.2 Removal of SMDs

- Heat the solder (for 2-3 seconds) at each terminal of the chip. By

means of litz wire and a slight horizontal force, small components

can be removed with the soldering iron. They can also be

removed with a solder sucker (see Fig. 8.1A)

- While holding the SMD with a pair of tweezers, take it off gently

using the soldering iron's heat applied to each terminal

(see

Fig. 8.1 B).

- Remove the excess solder on the solder lands by means of litz wire

or a solder sucker (see Fig. 8.1C).

1.3 Caution on removal

- When handling the soldering.iron. use suitable pressure and be

careful.

- When removing the chip, do not use undue force with the pair of

tweezers.

- The soldering iron to be used (approx. 30 W) should preferably be

equipped with a thermal control (soldering temperature: 225 to

250 C).

- The chip, once removed, must never be reused.

1.4 Attachment of SMDs

- Locate the SMD on the solder lands by means of tweezers and

solder the component on one side. Ensure that the component is

positioned correctly on the solder lands (see Fig. 8.2A).

- Next complete the soldering of the terminals of the component (see

Fiq. 8.2B).

- When soldering the SMD terminals, do not touch them directly with

the soldering iron. The soldering should be done as quickly as

possible, care must be taken to avoid damage to the terminals of

the SMDs themselves.

- Keep the SMD's body in contact with the printed board when

soldering.

- The soldering iron to be used (approx. 30 W ) should preferably be

equipped with a thermal control (soldering temperature: 225 to

250 C).

- Soldering should not be done outside the solder land.

- Soldering flux (of rosin) may be used, but should not be acidic.

- After soldering, let the SMD cool down gradually at room

temperature.

- The quantity of solder must be proportional to the size of the solder

land. If the quantity is too great, the SMD might crack or the solder

lands might be torn loose from the printed board (see Fig. 8.3).

2. Caution when attaching SMDs

DISMOUNTING

VACUUM PISTON

4822 395 10159

SOLDERING

IRON

e.g. WELLER

SOLDER TIP PT -H7

SOLDERING

IRON

SOLDER WICK

4822 321 40042

SOLDERING

IRON

SOLDER WICK

e.g. A PAIR OF TWEEZERS

HEATING

SOLDER

0.5 - 0.8 mm

SOLDER

0.5 - 0.8 mm

SOLDERING

IRON

SOLDERING TIME

< 3 sec/side

SOLDERING

IRON

SOLDERING

IRON

RIGHT

PRESURE

HEATING

MOUNTING

Fig. 8.1

Fig. 8.2

Fig. 8.3

EXAMPLES

104S CM23 GSIII

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Содержание 104S11/00

Страница 1: ...matic Diagram 25 U control Schematic Diagram Waveforms for Diagram B2 26 Main Panel C B A 27 Power supply Schematic Diagram Waveforms for Diagram C 28 Repair Tips 29 Exploded View 30 Recommanded parts List 31 Spare parts list 32 38 Repair flow chart 39 46 General product specification 47 71 SAFETY NOTICE Published by BCU Monitors Printed in Taiwan Copyright reserved Subject to modification MAY 26 ...

Страница 2: ...z wire or a solder sucker see Fig 8 1C 1 3 Caution on removal When handling the soldering iron use suitable pressure and be careful When removing the chip do not use undue force with the pair of tweezers The soldering iron to be used approx 30 W should preferably be equipped with a thermal control soldering temperature 225 to 250 C The chip once removed must never be reused 1 4 Attachment of SMDs ...

Страница 3: ...4AFA 83X31 U 1156 3138 178 50560 104SGS354K MAIN PCB ASSY 1157 3138 178 50080 104SGS354K VIDEO PCB ASSY 3138 107 99810 FRONT CABINET ASSY 3138 107 99820 BACK COVER ASSY 3138 107 99750 PEDESTAL ASSY 3138 104 53050 SCREW COVER 104S CM23 GSIII Go to cover page Forward Back ...

Страница 4: ...02 3138 117 02111 E D F U S E G X SERIES 178 3138 105 39455 SETTING UP GUIDE 179 3138 105 39133 QUICK SET UP GUIDE 1053 2438 070 98118 MAINS CORD 1054 3138 178 77301 I F CABLE 1101 2422 086 10239 FUSE HRC T3 15AH 250V S 1102 2422 128 02659 POWER SWITCH 1156 3138 178 50561 104SGS354K MAIN PCB ASSY 1157 3138 178 50081 104SGS354K VIDEO PCB ASSY 1258 3138 178 00251 EEPROM ASSY 7806 G4CX0 5110 3138 178...

Страница 5: ...2113 2020 552 90807 CERC DC 50V 1N0 PM10 2114 2020 552 90834 CCAP DC 50V 22N Z A 2115 2038 034 54101 ELCAP S 25V 100UF PM20 2E 2117 2020 552 90603 CERC DC NPO 50V 100P PM5 2E T 2118 2038 017 50199 ELCAP 0 47U 63V PM20 2E 2120 2038 034 54101 ELCAP S 25V 100UF PM20 2E 2126 2038 035 50072 ELCAP SK 450V S 1U PM20 A 2127 2020 554 90138 CERSAF NSA 250V S 4N7 PM20 B 2127 MARKING NS A 472 EN132400 2153 20...

Страница 6: ...50V 22N Z A 2622 2020 557 90151 CERC DC 500V 1N0 PM10 2629 2038 033 00008 ELCAP BP 63V S 3U3 PM20 B 2631 2020 557 90122 CERC 500V 330P PM2 2E T 2639 2038 034 54479 ELCAP S 25V 47UF PM20 2E T 2642 2038 302 50229 CAP MPOL 250V S 10N PM5 A 2643 2038 035 00007 ELCAP 47U 200V P50 M10 2647 2038 035 50209 ELCAP SH 250V S 3U3 PM20 A 2648 2038 301 50301 PPN CAP 250V 10N PM5 2E 2651 2020 552 90812 CERC CAP ...

Страница 7: ... 3W 100K PM5 3140 2138 101 13472 RST CRB CR12 A 4K7 PM5 A 3143 2138 101 13104 RST CRB CR12 A 100K PM5 A 3144 2138 101 13473 RST CRB CR12 A 47K PM5 A 3145 2138 101 13681 RST CRB CR12 A 680R PM5 A 3154 2138 116 11503 RST MFLM MF50S A 15K PM1 A 3155 2138 116 11503 RST MFLM MF50S A 15K PM1 A 3156 2138 101 13104 RST CRB CR12 A 100K PM5 A 3157 2138 101 13273 RST CRB CR12 A 27K PM5 A 13273 RST CRB CR12 A...

Страница 8: ...R12 A 100R PM5 A 3562 2138 101 13102 RST CRB CR12 A 1K PM5 A 3563 2138 101 13272 RST CRB CR12 A 2K7 PM5 A 3564 2138 101 13472 RST CRB CR12 A 4K7 PM5 A 3565 2120 366 90218 CARBPOT 0 05W 10K PM20 W 3566 2138 101 13472 RST CRB CR12 A 4K7 PM5 A 3602 2138 101 13202 RST CRB CR12 A 2K0 PM5 A 3603 2138 105 00411 RSS 2W 8 2K PM5 3605 2120 105 92157 MET FLM RST 2W 150R PM5 6E B 3606 2138 105 00081 RST MOX 3...

Страница 9: ...I 100MHZ 35R R 5101 3138 128 71291 LINE FILTER 5101 MARKING 54A 4075 5103 2438 535 98058 IND FXD BEAD EMI 100 MHZ 80R R 5108 2438 535 98058 IND FXD BEAD EMI 100 MHZ 80R R 5110 MARKING SRW35EC T51V118 5110 3138 178 76061 POWER XFORMER 5155 2438 535 98058 IND FXD BEAD EMI 100 MHZ 80R R 5155 2438 535 98058 IND FXD BEAD EMI 100 MHZ 80R R 5601 3138 128 75441 HOR DRIVER TRANSFORMER 5605 2438 535 98058 I...

Страница 10: ...ANS BC548C UAW 7106 3198 020 40161 TRANS BC558C UAW 7107 3198 020 40081 TRANS BC548C UAW 7108 3198 020 40081 TRANS BC548C UAW 7112 9338 847 00127 IC PHOTOCOUPLER CNX62A 6P 7123 9337 711 00686 IC TL431CLPRP 3P 7153 9322 067 50676 TRA SIG BF420 S TOSJ 7154 9335 107 20686 IC MC78L05ACPRP 3P 7156 9335 282 90682 IC MC7808CT 3P 7160 9332 514 50127 TRANS BD330 7161 3198 020 40081 TRANS BC548C UAW 7401 93...

Страница 11: ... 104 53051 SCREW COVER 52 3138 104 53501 KNOB CONTRAST BRIGHTNESS 57 3138 104 40571 HOUSING COVER 104 3138 103 20263 CABLE TIE 105 3138 103 21651 CABLE TIE 142MM 113 3138 101 31941 PLATE 152 2838 062 90083 RUBBER BAND 179 3138 105 39133 QUICK SET UP GUIDE 602 3138 117 02111 E D F U S E G X SERIES 601 3138 117 02101 E D F U ASSY S E G X SERIES Go to cover page Forward Back ...

Страница 12: ...56 pin3 voltage dip check 7156 pin1 check 7103 pin 3 normal check 7160 7161 7112 7123 No check 8V loading current Turn power off check the resistance for all output voltages 180 80 12 12 6 5 8 V check 6172 6157 6158 6160 6161 short replace 5110 3 Sympton abnormal sound check 7102 drain waveform right check frequency F 40KHZ Check 3131 2110 2111 No Ok Ok No check 6105 3111 2107 2126 replace 5110 No...

Страница 13: ... ABL check 7099 pin 6 8 10 input swing check 7011 7031 7051 pin Base input swing Ok replace IF cable No replace 7099 check VG1 178V Ok No check blanking 7501 pin16 check heater 6 V Ok check Xray prot 7501 pin2 No check R G B output 1005 pin11 1005 pin8 1005 pin6 Ok 2 Sympton no video or dim only raster with without retrace line green LED on check Vg1 Vg1 0V check cathod 80V 180V Ok check blanking ...

Страница 14: ...01 pin6 check 180V check H Output 7501 pin8 check B DRV check B DRV 7623 drain check B DRV 7623 gate refer to 7501 check list or replace 7501 No Ok check 6631 6632 3642 Ok No replace 5612 check 7501 pin11 parabola exist check 7610 7611 7612 parabola exist check 2629 2610 parabola exist Refer to 7501 check list 7621 base Go to cover page Forward Back ...

Страница 15: ...ck 3403 3410 Good basic check 12 12V Sympton one horizontal line V_size is abnormal too large small check 7401 pin2 pin3 ramp exist check 6401 6403 Good Check 7401 3403 3410 No Ok Replace 7401 6401 6403 Ok No check 7501 check 2406 2413 Ok No Go to cover page Forward Back ...

Страница 16: ...pin20 Basic Check check Q1 Q3 Pin13 pin12 pin11 low 0 hi 1 ABL CON 11 12 13 Q3 Q2 Q1 S cap switch check pin2 pwm from 0V to 5V 1 Normal Fvout Fvin Fhout Fhin 2 sync out of rang Fhin 54KHz Fvin 120Hz check pin10 normal Hi blank low 14 17 P S LED check pin14 17 Hor Freq KHz Q3 Q2 Q1 27 00 0 0 0 27 50 33 24 0 0 0 33 24 36 51 0 0 1 36 51 42 38 1 1 0 42 38 47 48 1 0 1 47 48 53 10 1 0 1 53 10 58 25 1 1 ...

Страница 17: ... bus check idle status Sda pin22 hi Scl pin23 hi 22 23 IIC bus check key H Shift H Size V Shift V Size keys 19 Keypad Check 3838 3844 15 16 EEPROM write protection check pin15 pin16 write low hi read don t care normal hi low check 7806 24W04 7501 TDA4857 7099 TDA4886 check from 5V to 0V 3 Reset check 7808 6813 3812 check Active low no active hi 24 Degauss Repair Flow Chart 44 104S CM23 GSIII Go to...

Страница 18: ...erate the saw_tooth waveform c pin5 input voltage for the square output waveform d pin6 pwm output to 7603 7604 base if active pin16 CLBL hi if no exist 3 4 5 6 B control 2 Xray from LOT 1 HFLB from H defl to H_deflection 7605 Gate Vcc pin9 pin10 12V gnd pin7 pin25 0v Vertical blank will be activated hi 1 pin30 softstart pll2 0V 2 pin26 pll1 is unlock in searching mode 3 pin1 HFLB no exist 4 pin2 ...

Страница 19: ... pin23 pin24 determin frequency 22 23 24 VAGC VREF VCAP 21 EHT_compen compensate for the V_size owing the load variation 1 compare the HFLB 7501 pin1 and control the phase of H Output 7501 pin8 2 softstart Hunlock pin is floating while pll1 pin26 is unlock in searching mode 17 Hunlock 19 IIC sda hi 18 IIC scl hi the initial failure may be these of IC 7501 7099 7801 7806 Go to cover page Forward Ba...

Страница 20: ...OR FEATURES BENEFITS EXTREMELY HIGH MTBF OVER 50K HRS EXCLUDING CRT PROFESSIONAL LOOK WITH NON FLAMMABLE CABINET 94V 0 USER S CONTROLS FRONT MOUNTED CONTROLS FOR EASY ACCESS BETTER DISPLAY PERFORMANCE FINER CRT DOT PITCH 0 28 MM FULL SCREEN SIZE APPLICATION REAL MULTI FREQ POWER SAVING MANAGEMENT SYSTEM MAXIMIZED CONTAINER LOADING VESA DDC1 AND 2B LOW EMISSION MPR II Go to cover page Forward Back ...

Страница 21: ...ower saving management system 3 5 CRT description 3 6 RGB amplifier 3 6 1 Video amplifier 3 6 2 Brightness and Contrast 3 7 Variation of image size 3 8 Degaussing 3 9 Phosphor protection 3 10 Low emission requirements MPR II 3 11 Display data channel DDC1 2B VESA STANDARD 4 0 Display 4 1 Display resolution 4 2 Image size 4 3 Image centering deviation 4 4 Picture shift control range 4 5 Picture til...

Страница 22: ...external environment 6 1 1 Operation limits 6 1 2 Transportation packages 6 2 Display disturbance from external environment 6 2 1 ESD disturbances 6 3 Display disturbance to external environment 6 3 1 Ionizetic radiation 6 3 2 EMI 7 0 Safety tests 7 1 Dielectric strength 7 2 Resistance for protective earthing 7 3 Leakage current 7 4 Grounding 8 0 Certifications 8 1 Safety 8 2 EMI 8 3 Fulfil approb...

Страница 23: ...rovides the aesthetic mechanical ergonomic and safety requirements 2 1 General condition The unit will produce a usable image after switching on measurements are to be carried out with a full stabilized set after 30 minutes warm up at room temperature of 25 C Repetitive power on off cycles are allowed though should be avoided within 4 sec 3 0 Electrical characteristics 3 1 Signal interface The AUT...

Страница 24: ... P3 Blue video input P4 GND P5 For selftest PC Ground P6 Red video ground P7 Green video ground P8 Blue video ground P9 Not connected No pin P10 Sync ground P11 GND P12 Bi directional Data SDA P13 H SYNC P14 V SYNC VCLK P15 Data clock SCL 3 1 3 Factory preset modes PRESET VIDEO RESOLUTION AND SYNC POLARITIES Preset modes H Freq V Freq H sync V sync 640 x 400 31 47K 70 VGA 640 x 480 31 47K 60 VGA 6...

Страница 25: ... Sync width 3 813 us Sync width 0 064 ms Sync polarity Sync polarity TABLE 2 31 469KHz 59 940 Hz 640 X 480 pixel 25 175 MHz Horizontal Vertical Frame border 0 Frame border 0 Total size 31 778 us Total size 16 683 ms Display size 25 422 us Display size 15 253 ms Rear porch 1 907 us Rear porch 1 049 ms Sync width 3 813 us Sync width 0 064 ms Sync polarity Sync polarity TABLE 3 37 5KHz 75 Hz 640 X 48...

Страница 26: ...ty Sync polarity TABLE 5 48 363 KHz 60 Hz 1024 X 768 pixel 65 MHz Horizontal Vertical Frame border 0 Frame border 0 Total size 20 677 us Total size 16 666 ms Display size 15 754 us Display size 15 880 ms Rear porch 2 462 us Rear porch 0 600 ms Sync width 2 092 us Sync width 0 124 ms Sync polarity Sync polarity TABLE 6 53 674 KHz 85 061 Hz 800 X 600 pixel 56 250 MHz Horizontal Vertical Frame border...

Страница 27: ...oltage Mains freq Universal 1 5A Max 90 264 VAC 47 63 Hz 230V version 0 7A Max 195 264 VAC 47 63 Hz 115V version 1 5A Max 90 132 VAC 60 3 Hz Power consumption 72 Watts Max Power cord length 1 5M Power cord type 3 leads plug power cord with protective earth plug or IBM Hooded 3 4 Power saving management system Signal Compliance Power Recovery Mode H Sync V Sync Video Requirement Time On Active Acti...

Страница 28: ...ers Dot Rate 65 MHz Over undershoot 10 Max Transient response Sag 5 Max pulses of 0 70H Black level shift 5 Max 3 6 2 Brightness and Contrast Reference mode 53 674 KHZ 85 HZ full white pattern DISPLAY LIGHT OUTPUT Light output Brightness Contrast full white Minimum Minimum 0 3 FL Center Maximum 30 5 FL Maximum Maximum 37 5 FL 3 7 Variation of image size For preset modes only Due to brightness chan...

Страница 29: ...VESA STANDARD The DDC HEX Data refer sheet 190 should be written into the DDC IC 24LC21 or equivalent Hard ware DDC or EEPROM page 2 0 127 bytes Soft ware DDC by EEPROM writer or equivalent method 4 0 Display image CRT facing east The monitor is aligned in a magnetic cage having the following magnetic field components Northern Hemisphere H 0 V 450 mG Z 0 Southern Hemisphere H 0 V 500 mG Z 0 Condit...

Страница 30: ...d on extremes of center line from bezel A B 2 mm 4 6 Geometrical distortions For preset modes only It is acceptable that pincushion trapezoid rhomboid rotation and various waves distortions must remain within the limits of tolerance as in fig 4 where A B 3 0 mm A B 5 mm C D 3 0 mm C D 5 mm The waviness of any vertical or horizontal shall be less than 1 0 mm over a 50 mm distance 4 7 Image non line...

Страница 31: ...k and contrast control to get 25 FL at full white pattern then generate characters to cover entire of the picture the characters should be clearly identified in all display area See Fig 7 4 10 Luminance uniformity condition With full white pattern set contrast control at maximum position and brightness control at center click position The center of the display is 30 FL the Max deviation of the scr...

Страница 32: ...ussed After warming up time of 30 min no color stains may occur in above four patterns 4 14 Moire e Condition Displaying a full white pattern at any preset mode the display size to be set as Fig 1 The clouding effect must not rise to disturbing levels in anywhere of the screen with luminance setting from 15 to 35 FL 4 15 Blemish Blemish shall be in accordance with CRT specification 5 0 Mechanical ...

Страница 33: ... mode At this mode we can see raster displayed brightness at Max Pin 5 at PC should be ground 4 At factory adjust mode press Shift key shift LED on then press V size the modified data will be stored in factory preset areas on EEPROM and shift LED will flash two times 5 2 Connectors and cables 5 2 1 Power cord type 3 leads plugable power cord with protective earthed plug or IBM Hooded Length 1 5 m ...

Страница 34: ... 6 1 1 A Operating limits Temperature 0 C to 40 C Humidity 20 to 80 W O condensation Air pressure 700 1100 mbar B Non operating limits storage Temperature 25 C to 65 C Humidity 20 to 90 W O condensation Altitude 300 to 1100 mbar 6 1 2 Transportation packages A Carton box A 1 Size with pedestal 432 W 456 D 419 H A 2 Carton paper double wall AB fute corrugate board color brown Bursting 19 3 kg cm2 m...

Страница 35: ...es Vibration test Result Electrical function OK Mechanical function OK No serious damage in set For design evaluation only Half sine shock 100G 3m sec 6 shocks Shock Temp 23 C test Humidity 60 Air pressure 100 kpa Standard PHILIPS s UAN D636 6 2 Display disturbances from external environment 6 2 1 ESD Disturbances According to EN50082 1 also refer to IEC801 2 for detail 6 3 Display disturbances to...

Страница 36: ...0 7 4 Grounding According to IEC950 UL1950 and CSA22 2 No 950 8 0 Certifications 8 1 Safety The monitors comply with the following safety standards IEC950 UL1950 DHHS 21 CFR subchapter J CSA 22 2 NO 950 GERMANY ZH1 618 GS ISO 9241 3 8 8 2 EMI Electromagnetic Interference The monitor comply with the following EMI standards EN55022 FCC Part 15 DOC C108 8 8 3 Fulfil approbation requirements Destinati...

Страница 37: ...HDBK 217C MTBF 50 000 Hours Excluding CRT TOTAL HRS POWER ON X TOTAL SETS PRACTICE of MTBF NBR OF FAILURED SETS 10 0 Quality assurance requirements 10 1 Acceptance test According to MIL STD 105D level II AQL 0 4 Major 1 0 Minor Customer acceptance UAW 0377 40 criteria 11 0 Service ability The service ability of this monitor should fulfil the requirements which are prescribed in UAW 0346 and must b...

Страница 38: ...PRODUCT SPECIFICATION 14 CM2300 GS III CMTR TYPE 104S11 89 COCA BRAND PHILIPS 54K 8639 000 10477 00 02 18 00 02 18 590 19 25 Wiliam Ou 247 mm 253 mm 250 mm 188 mm FIG 1 IMAGE DIMENSION 185 mm 191 mm Go to cover page Forward Back ...

Страница 39: ...TION 14 CM2300 GS III CMTR TYPE 104S11 89 COCA BRAND PHILIPS 54K 8639 000 10477 00 02 18 00 02 18 590 20 25 Wiliam Ou 66 104S CM23 GSIII FIG 2 IMAGE CENTERING 250 mm 188 mm A B AND C D 6 mm D A B C Go to cover page Forward Back ...

Страница 40: ...III GENERAL PRODUCT SPECIFICATION 14 CM2300 GS III CMTR TYPE 104S11 89 COCA BRAND PHILIPS 54K 8639 000 10477 00 02 18 00 02 18 590 21 25 Wiliam Ou FIG 3 IMAGE ROTATION 250 mm A B 2 mm B A Go to cover page Forward Back ...

Страница 41: ...CM2300 GS III CMTR TYPE 104S11 89 COCA BRAND PHILIPS 54K 8639 000 10477 00 02 18 00 02 18 590 22 25 Wiliam Ou 68 104S CM23 GSIII FIG 4 IMAGE GEOMETRY 250 mm 188 mm A B C D A B C D 3 0 mm A C 5 mm B D 5 mm Go to cover page Forward Back ...

Страница 42: ...SPECIFICATION 14 CM2300 GS III CMTR TYPE 104S11 89 COCA BRAND PHILIPS 54K 8639 000 10477 00 02 18 00 02 18 590 23 25 Wiliam Ou MEASUREMENT AREA 250 mm 50 mm 50 mm FIG 5 CONTRAST AND BRIGHTNESS ZONE A ZONE B Go to cover page Forward Back ...

Страница 43: ...CATION 14 CM2300 GS III CMTR TYPE 104S11 89 COCA BRAND PHILIPS 54K 8639 000 10477 00 02 18 00 02 18 590 24 25 Wiliam Ou 70 104S CM23 GSIII 250 mm 188 mm FIG 6 MISCONVERGENCE ZONE A ZONE B ZONE C Go to cover page Forward Back ...

Страница 44: ...OCA BRAND PHILIPS 54K 8639 000 10477 00 02 18 00 02 18 590 25 25 Wiliam Ou Fig 7 CHARACTER FORMAT FOR FOCUS CHECK 7 6 5 4 3 2 1 0 LINE HEX DATA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 2 E 2 2 0 C C C 2 7 7 3 4 8 8 8 9 9 9 9 5 6 7 8 9 A B C D E F 1 BYTE 8BITS Go to cover page Forward Back ...

Страница 45: ...ure and the reason for this prudent routine is cleary understood by everyone It is important to use an accurate and reliable HV meter It is recommended that the HV recorded on each customer s invoice which will demonstrate a proper concern for the customer s safety 5 When troubleshooting and making test measurements in a receiver with a problem of excessive high voltage reduce the line voltage by ...

Страница 46: ... procedure or tool which is not recommended by Philips must first satisfy himself thoroughly that neither his safety nor the safe operation of the equipment will be jeopardized by the service method selected Hereafter throughout this manual Philips Consumer Electronics Company will be referred to as Philips Critical components having special safety characteristics are identified with a by the Ref ...

Страница 47: ...s is detected the monitor will automatically wake up The following table shows the power consumption and signalling of this automatic power saving features Automatic Power Saving Power Management Definition Active Amber Yellow Green Yellow Blanked Blanked Blanked 8 W 94 80 80 0 15 W 15 W 75 W Suspend ON OFF No No No No Yes Yes Yes Yes Stand by V SYNC POWER SAVING POWER USED LED COLOR H SYNC VIDEO ...

Страница 48: ...on to correct the barrel distortion of the image Recall to recall original factory preset mode Remarks 1 When pressing any function pad the Shift LED will flash once to indicate the function has been selected 2 Once the limit of the adjustable range has been reached the shift LED will flash continuously For the monitor is pre set with 6 modes for optimal display size and centering as indicated in ...

Страница 49: ...and on the picture tube panel It is recommended that saferty goggles be worn when replacing the picture tube When making adjustments use plastic rather than metal tools This will prevent any short circuit or the danger of a circuit becoming unstable Never replace modules or other components while the unit is switched on Together with the defleciton unit the picture tube is used as an integrated un...

Страница 50: ...l shielding on rear side of Video panel by desolder lags of metal shielding Disconnect the degaussing coil from Main panel Remove the video panel from CRT Remove the screw of I F cable from Main panel Disconnect the CRT ground 1701 from Video panel Disconnect the Hi Pot cap from CRT Disconnect the yoke wire connector 1601 from Main panel Slide the main panel out of bottom tray Place Main panel in ...

Страница 51: ...7 Wiring Diagram 1604 8502 8501 1601 8401 1112 1301 8704 8703 8702 1702 1701 DEGAUSSING COIL EARTH WIRE CABLE TIE 1113 OPTION 104S CM23 GSIII Go to cover page Forward Back ...

Страница 52: ...oss C2162 12 7V 0 5 VDC 8V source across C2172 8 0V 0 4 VDC 6V source across C2164 6 2V 0 3 VDC 178V source across C2647 178V 8 0 VDC 180V source across C2153 183V 1 5 VDC 5V source across C2168 5 0V 0 25VDC 80V source across C2156 81 0 V 0 5 VDC 4 General conditions for alignment Note Do not use heatsink as ground 4 1 During all alignments supply a distortion free AC mains voltage to set via an i...

Страница 53: ...il keep the coil in parallel with the screen of CRT When the distance is more than 2m then turn off the degaussing current 7 2 Apply 53 7Khz 85Hz 800 x 600 mode with 700mV 50x50mm white block pattern 7 3 Set brightness control at center click and contrast at Maximum Set R G B cut off at 50 EEPROM preload value R G B gain at 28 dec EEPROM preload value ABL at 50 EEPROM preload value Via I C bus set...

Страница 54: ...direction from the other The 6 pole magnet moves the outermost electron beam R B and G parallel in the opposite direction from the other The magnetic field of the above magnets do not affect the center of the CRT neck Setting Before the static convergence setting can be made the monitor must be switched on for 30 minutes The focus setting must be made correctly Signal 640 480 31 5 kHz 60 Hz mode S...

Страница 55: ...25 pin connector of the printer cable 2 rows x1 Alignment KIT of 104S Part number 4822 310 11184 4822 724 30280 I2C 200 EXE 3 5 Floppy Disk Part number 4822 711 00056 4822 724 30290 I2C 200 R00 3 5 Floppy Disk Part number 4822 711 00057 4822 724 30300 4 Connection see figure as below 2 Alignment environments Windows 95 for alignment software I2C 200 EXE and I2C 200 R00 Access Factory Mode of 104S ...

Страница 56: ...ve A 6 Put disk 2 I2C 200 R00 into Drive A 7 C I2C 200 COPY A I2C 200 R00 press Enter 8 C I2C 200 I2C 200 press Enter In MS Windows 95 environment 1 Open C I2C 200 Setup exe As Fig 1 2 Click OK of Fig 1 bring up Fig 2 3 Click OK of Fig 2 bring up Fig 3 4 Click ICON of Fig 3 bring up Fig 4 5 Click OK of Fig 4 bring up Fig 5 6 Double click ICON of Fig 5 to bring up Main Menu of CPU controller as Fig...

Страница 57: ...ze from 255 to 127 Change the Max value of Vertical Position from 255 to 127 Fig 7 Brightness Contrast change the Max value from 255 to 63 as below Brightness Max value 63 Contrast Max value 63 Disable OSD Contrast Disable sub Contrast Disable Horizontal DC Shift Disable Vertical DC Shift Go to cover page Forward Back ...

Страница 58: ...etry bring up Fig 9 Fig 9 Fig 10 Fig 11 Change the Max value of Corner Correction from 31 to 15 Disable Horizontal Linearity Disable Vertical Focus Disable Horizontal Focus Disable Horizontal Moire Disable Vertical Moire Disable Volume Disable Mute on off Disable Degauss Disable Language default Go to cover page Forward Back ...

Страница 59: ...rtion parallel Max value 15 V Max value 127 Trapezoidal Max value 15 Linearity Vert lin Max value 15 Corner Max value 15 Vert LIn Bal Max value 15 Color Brightness Max value 63 Contrast Max value 63 ABL Max value 255 RGB gain RGB cutoff RED Max value 63 RED Max value 255 GREEN Max value 63 GREEN Max value 255 BLUE Max value 63 BLUE Max value 255 Fig 12 Fig 13 1 Click the File and then point to Loa...

Страница 60: ...ion 3 0 Structure Version 1 2 1 An i486 or above personal computer or compatible 2 Microsoft operation system Windows 95 98 4 Software DDC Alignment kits 4822 310 11184 shown as Fig 2 The kit contents a Alignment box x1 b Printer cable x1 c D Sub cable x1 Note The EDID301 EXE Release Version 1 54 is a windows based program which cannot be run in MS DOS Software DDC with Software DDC 3 EDID301 EXE ...

Страница 61: ...s show you the procedures and connection Step 1 Supply 8 12V DC power source to the Alignment box by plugging a DC power cord or using batteries Step 2 Connecting printer cable and video cable of monitor as Fig A Step 3 Run the EDID301 EXE program until the main menu appears This is for initialize alignment box PC To video card To printer port LTP1 DC Power 8 12 V Fig 3 Printer Port Re programming...

Страница 62: ...to read DDC EDID data from monitor The EDID codes will display on screen as following The EDID codes are dependent on the model Command bar Tools bar Status bar Fig 7 Modify DDC data Serial No 1 Click icon on the toosl bar 2 Click till the Step 7 of 9 window appears 3 Type the new Serial No for example TY 123456 4 Click till the last step window appears then click to exit the Step window Note Duri...

Страница 63: ...le for using on other DDC chip To save DDC data follow the steps below 1 Click icon on the tools bar and type a file name you like The file format is ddc type which can be open by Microsoft WordPad 2 Click button Definition of Serial Number T Y 0 0 9 9 2 8 0 0 0 0 0 1 Serial Number U S A 8 digit Week Year TY Code TY Chungli CX Dong Guan HD Hungary BZ Suzhou Others regions 6 digit 4 Now you can re ...

Страница 64: ...ing lines 38 H Sync Offset 24 104SPHL chk F Porch pixels H Sync Pulse Width pixels 136 V Sync Offset 3 V Sync Pulse Width lines 6 F Porch lines H Image Size mm 250 V Image Size mm 188 H Border pixels 0 V Border lines 0 Flags Non interlaced Normal Display No stereo Digital Seperate Sync Negative V Sync Negative H Sync Monitor Descriptor 2 Serial Number TY 123456 Min Vt rate Hz 50 Max Support Pixel ...

Страница 65: ...ing lines 38 H Sync Offset 24 104SCPT chk F Porch pixels H Sync Pulse Width pixels 136 V Sync Offset 3 V Sync Pulse Width lines 6 F Porch lines H Image Size mm 250 V Image Size mm 188 H Border pixels 0 V Border lines 0 Flags Non interlaced Normal Display No stereo Digital Seperate Sync Negative V Sync Negative H Sync Monitor Descriptor 2 Serial Number TY 123456 Min Vt rate Hz 50 Max Support Pixel ...

Страница 66: ...repair inspection or modification of the product 2 1 Connecting conditions 2 1 1 The test specified must be applied between the parallel blade plug of the mainscord and all accessible metal parts of the product 2 1 2 Before carrying out the test reliable conductive connections must be ensured and thereafter be maintained throughout the test period 2 1 3 The mains switch es must be in the ON positi...

Страница 67: ...23 1 104S CM23 GSIII VIDEO BOARD PCB Go to cover page Forward Back CLICK HERE FOR COMPONENT LAYER ...

Страница 68: ...AUSS SELF TEST 7810 7811 6 5 SCL SDA 8 7 6 0 8 8 6 PD STBY PD STBY 7153 6 8 10 DDC SCL DDC SDA TO 8004 PIN 7 TO 8004 PIN 8 5 11 24 12 13 SDA SCL B R G 1005 11 8 6 22 23 7013 7014 7034 7053 7054 7033 19 20 16 17 CONTRAST SDA SCL H UNLOCK 2528 3548 3549 3546 31 3545 6 7631 1 4 5601 8 5608 I 6513 3533 3534 PROTECTION CONTROLLER 7508 7506 7507 3538 3539 3540 3541 EHT 8C 1 2605 3608 3522 2511 16 17 BLA...

Страница 69: ... AC 5 uS div 0 2 V div AC 5 uS div 0 5 V div AC 5 uS div 0 2 V div AC 5 uS div 1 V div AC 5 uS div 1 V div AC 5 uS div 1 V div AC 5 mS div 0 5 V div AC 5 uS div 0 5 V div AC 5 uS div 1 V div AC 5 uS div A8 1005 11 A8 1005 8 A8 1005 6 20 V div AC 5 uS div 20 V div AC 5 uS div 20 V div AC 5 uS div A A1 A1 A1 A4 A5 A2 A3 A5 A5 A6 A7 A8 A8 A8 Go to cover page Forward Back ...

Страница 70: ...AC 5 mS div 0 2 V div AC 5 mS div 1 V div AC 10 uS div 2 V div AC 5 mS div 10 V div AC 5 mS div B5 7504 B B1 B44 B4 B5 B11 B12 B13 B16 B15 B20 B19 B21 B18 B37 B38 B40 B41 B51 B50 B49 B48 B47 B36 B35 B34 B33 B32 B31 B30 B29 B27 B28 B25 B26 B23 B24 B10 B9 B8 B7 B6 B3 B2 B1 B42 B39 B43 820n 750n 4k3 270R 43K 120K B14 B17 Go to cover page Forward Back ...

Страница 71: ...1 V div AC 5 uS div 0 1 V div AC 5 mS div 2 V div AC 5 uS div 10 V div AC 10 uS div 50 mV div AC 10 uS div 2 V div AC 5 mS div 0 5 V div AC 5 mS div 50 mV div AC 10 uS div 0 5 V div AC 5 uS div 1 V div AC 5 mS div 50 V div AC 5 uS div 1 V div AC 5 uS div 2 V div AC 5 uS div 0 1 V div AC 5 mS div 1 V div AC 5 uS div 0 2 V div AC 5 uS div 2 V div AC 5 uS div 10 mV div AC 5 mS div 5 mV div AC 5 uS di...

Страница 72: ...PWB MAIN BOARD 27 1 104S CM23 GSIII Go to cover page Forward Back CLICK HERE FOR COMPONENT LAYER ...

Страница 73: ...PWB MAIN BOARD 27 104S CM23 GSIII Go to cover page Forward Back CLICK HERE FOR COPPER PATH LAYER ...

Страница 74: ...110 2 C10 5110 6 C5 7102 D C6 7102 S C11 5110 8 1 V div AC 5 uS div 0 2 V div AC 5 uS div 5 V div AC 5 uS div 100 V div AC 5 uS div 100 V div AC 5 uS div 5 V div AC 5 uS div 100 V div AC 5 uS div 10 V div AC 5 uS div 10 V div AC 5 uS div 0 2 V div AC 5 uS div 10 V div AC 5 uS div 5 V div AC 5 uS div Go to cover page Forward Back ...

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