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Iiyama HA703UT, Service Manual

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Iiyama HA703UT Service Manual Download Page 5

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1. SPECIFICATIONS FOR IIYAMA SERIES COLOR MONITOR

      1.

CRT :

43.2CM(17") 90 Deflection, 29mm Neck, Pure flat 0.25mm Dot Pitch, Non-Glare Screen

                    

Shadow mask (TOSHIBA)/APERUTE (MITSUBISHI).

2.

Viewable image Size:

40.6CM (16") diagonal

3.

Display Color:

Unlimited Colors

4.

 

External Controls: Power On/Off, OSD key, Function knob: Contrast, Brightness, H-Size, H-Center, V-
Size,

        V-Center,   H-Moire ,H- Convergence, OPQ select, Zoom, Pincushion, Trapezoid, Pin-Balance,
Parallelogram,
         Tilt,  Degaussing, Color Temperature, language, lock out, OSD H-position, OSD V-position,
         OSD OFF Timer, Reset, Information.

5.

Input Video Signal

Mode 1

Mode 2

Mode 3

Mode 4

Mode 5

RGB Analog RGB Analog RGB Analog RGB Analog RGB Analog

Horiz. Sync:

TTL Level

TTL Level

TTL Level

TTL Level

TTL Level

Negative

Negative

Negative

Negative

Positive

Vert. Sync:

TTL Level

TTL Level

TTL Level

TTL Level

TTL Level

Positive

Negative

Negative

Negative

Positive

Horizontal:

720 (H)

640 (H)

640 (H)

640 (H)

800 (H)

Vertical   :

400 (V)

480 (V)

480(V)

480 (V)

600 (V)

Fh (kHz):

31.327

31.469

37.5

43.269

46.875

Fv (Hz)   :

69.616

59.9

75

85.008

75

         

Mode 6

Mode 7

Mode 8

Mode 9

Mode 10

RGB Analog RGB Analog RGB Analog RGB Analog RGB Analog

Horiz. Sync:

TTL Level

TTL Level

TTL Level

TTL Level

TTL Level

Positive

Positive

Positive

Positive

Positive

Vert. Sync:

TTL Level

TTL Level

TTL Level

TTL Level

TTL Level

Positive

Positive

Positive

Positive

Positive

Horizontal:

800 (H)

1024 (H)

1024 (H)

1280 (H)

1280 (H)

Vertical   :

600 (V)

768 (V)

768(V)

1024 (V)

1024 (V)

Fh (kHz):

53.674

60.023

68.677

79.976

91.146

Fv (Hz)   :

85.061

84.997

84.997

75.024

85.024

6.

Display Size
Horizontal:

310 mm

Vertical:

232.5 mm

7.

Scanning Frequencies
Horizontal:

30KHz 

~

 96KHz

Vertical:

50 Hz 

~

 160 Hz

8.

Factory Preset Timings: 10
User Timings: 20

9.

Misconvergence
Center:

0.3 mm Max.

Corner:

0.4 mm Max.

10. Video Bandwidth:

200 MHz

Summary of Contents for HA703UT

Page 1: ...SERVICE MANUAL HM703UT HA703UT HF703UT 17 inch Color Monitor HM704UTC Copyright IIYAMA CORPORATION 710 1 KITAOWARIBE Nagano shi 381 0014 JAPAN ...

Page 2: ... 1 SERVICE MANUAL COLOR MONITOR IIYAMA Date Sep 08 01 Ver A00 ...

Page 3: ...N ONLY EVERY REASONABLE EFFORT HAS BEEN MADE TO ENSURE THE ACCURACY OF THIS MANUAL WE CANNOT GUARANTEE THE ACCURACY OF THIS INFORMATION AFTER THE DATE OF PUBLICATION AND DISCLAIMS LIABILITY FOR CHANGES ERRORS OR OMISSIONS MANUFACTURE DATE September 2001 ...

Page 4: ...NT METHOD 8 11 5 CIRCUIT DESCRIPTION 12 14 6 TROUBLE SHOOTING CHART 15 6 1 NO RASTER CRT RELATIVE CIRCUIT PROBLEMS 15 6 2 ABNORMAL DISPLAY 17 6 3 NO BLANKING 18 6 4 HOR OSC DEF HV CIRCUIT FAULT 18 6 5 ABNORMAL HORIZONTAL DEFLECTION 19 6 6 ABNORMAL VERTICAL SCANNING 20 6 7 SIDE PIN CUSHION DISTORTION 20 6 8 POOR FOCUS 20 6 9 POWER SUPPLY TROUBLE SHOOTING CHART 21 7 MECHANICAL OF CABINET FRONT DIS A...

Page 5: ...e Vert Sync TTL Level TTL Level TTL Level TTL Level TTL Level Positive Negative Negative Negative Positive Horizontal 720 H 640 H 640 H 640 H 800 H Vertical 400 V 480 V 480 V 480 V 600 V Fh kHz 31 327 31 469 37 5 43 269 46 875 Fv Hz 69 616 59 9 75 85 008 75 Mode 6 Mode 7 Mode 8 Mode 9 Mode 10 RGB Analog RGB Analog RGB Analog RGB Analog RGB Analog Horiz Sync TTL Level TTL Level TTL Level TTL Level ...

Page 6: ... UT 16 0 Kg Net 20 0Kg Gross for HA703U UT 18 0 Kg Net 21 5Kg Gross for HM703U UT 18 0 Kg Net 20 0Kg Gross for HM704UC UTC 15 Dimensions Monitor Carton 540 W 537 H 570 D mm Monitor 408 W 420 H 430 D mm 400 W 406 6 H 423 D mm for HM704UC UTC 16 External Connection 15 Pin D type Connector AC Power Cord 17 Speaker OPTION Rate power 5W per channel Impedance 75Ω 18 Regulations UL CSA FDA FCC TÜV GS CE ...

Page 7: ...safety test must be performed to verify that the display is safe to operate without danger or shock Always perform an AC leakage current check on the exposed metallic parts of the cabinet such as screw heads Test method for current leakage is described as follow a Plug the AC line cord directly into rated AC outlet do not use a line isolation transformer during this check b Use an AC voltmeter hav...

Page 8: ...sibility of failure in HV supply It is important to maintain specified values of all components in the horizontal and high voltage circuits and anywhere else in the monitor that could cause a rise in high voltage or operating supply voltages No changes should be made to the original design of the monitor Components shown in the shaded areas on the schematic should be replaced with exact factory re...

Page 9: ...s on the connector 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 NC 2 GREEN 10 GND 3 BLUE 11 SYNC GND 4 GND 12 SDA 5 GND 13 HORIZ SYNC 6 GND R 14 VERT SYNC VCLK 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 display...

Page 10: ...D 1 25V HV voltage adjustment A Chroma 2000 Signal generator or PC equivalent set mode 1 VGA 1024X768 pattern 1 0 B Connect a DC Volt meter between D918 cathode and ground then adjust VR902 to be 220VDC C Connect a DC Volt meter between TP701 G1 and ground Brightness set to max Then adjust VR702 to be 35 VDC HM703 55VDC HA F 703 10VDC HM704U 2 Factory preset Timings Adjustment A Press MENU Key to ...

Page 11: ...IAS Top corner G BIAS Bottom corner R BIAS PINCUSHION 9300 COLOR TEMPERATURE TRAPEZOID 6500 COLOR TEMPERATURE PIN BALANCE 5000 COLOR TEMPERATURE PARALLELOGRAM DEGAUSS ROTATION OSD EXIT Sub V size RETURN Sub V center Vs Linear Vc Linear Sep OPQ COLOR TEMPERATURE Select Disable moire reduce 6 5 0 0 9 3 0 0 H 68 7K H z V 85 0H z 70 5 0 0 0 R G B R G B H V H V RGB R G B ...

Page 12: ...DAC set to 50 adjust R or G or B gain to MAX to make x 313 10 y 329 150 Y 135 15cd m2 HF A 703 x 313 15 y 328 15 Y 135 15cd m2 HM704 x 313 15 y 328 15 Y 140 15cd m2 HM703 Then save to 6500K color temperature G Little white pattern Contrast set to max Brightness DAC set to 50 adjust R or G or B gain to MAX to make x 313 10 y 329 150 Y 140 15cd m2 HM703 x 345 15 y 352 15 Y 125 15cd m2 HM704 HF A 703...

Page 13: ...r adjustments if needed RELATIVE PLACEMENT OF TYPICAL COMPONENTS Purity Magnets Deflection Yoke 4 pole Convergence Magnets 6 pole Convergence Magnets 6 Convergence adjustment A Produce a magenta crosshatch on the display B Adjust the focus for the best overall focus on the display Also adjust the brightness to the desired condition C Vertical red and blue lines are converged by varying the angle b...

Page 14: ...ate at specific dot frequency Pin5 is input the horizontal fly back pulse for PLL generator tracking Pin6 is left floating I2 C bus is enabled Otherwise the SPI bus is enabled Pin7 the external data transfer through this pin to internal display registers and control registers Pin8 the clock input pin is used to synchronize the data transfer Pin10 is input the vertical flyback pulse for synchronizi...

Page 15: ... protection input pin2 provides a voltage detector with a precise threshold If the voltage exceeds this threshold for a certain time an internal latch switches the whole IC into protection mode In this mode several pins are forced into defined states Pin8 HDRV is floating Pin6 BDRV is floating Pin12 13 VOUT 1 2 are floating Pin16 CLBL provides a continuous blanking signal Vertical Oscillator The v...

Page 16: ... Q707 Picture Mute Control AMP Q705 Q706 Brightness Control CKT Q701 Vertical Dynamic Focus Control AMP BD901 Bridge Rectifier for AC Source D907 Clip Diode for Snuffer CKT D906 IC901 VCC Supply D910 Speed UP for Q901 D911 Synchronous Trigger for Power Supply D912 D918 Rectifier for Output Voltage Supply D924 Rectifier for Output Voltage Supply D425 Clip Diode for Trigger CKT D409 D410 Raster Posi...

Page 17: ...ECK BRIGHTNESS CIRCUIT OK CHECK POWER SAVING CIRCUIT ABNORMAL DISPLAY H SYNC V SYNC SIGNAL REFER ITEM 8 2 CATHODE ABOUT 60V TO 70V CHECK SCREEN VOLTAGE ABOUT 400V TO 700V OF CRT ABOUT 25 5 26 5KV LESS THAN 300V CHECK FBT CHECK MAIN PCB POWER SUPPLY 60 5V 14 5V 80V CHECK FAILSAFE CKT IC401 PIN 2 RELATIVE CKT Q703 Q706 Q707 RELATIVE CKT CHECK MAIN PCB POWER SUPPLY 220V 16V 80V CHECK THE HIGE VOLTAGE...

Page 18: ...22 ABOUT 12V CHECK IC801 PIN 15 CLAMP PULSE PIN 18 20 23 ABOUT 4Vpp CHECK THE IC105 RELATIVE CIRCUIT PIN 16 BLANK PULSE PIN 26 27 28 ABOUT 4V OR CHECK Q801 AND RELATIVE CKT 3 ABNORMAL DDC PLUG PLAY OK NG CHECK IC101 PIN 5 VOLTAGE ABOUT 5V CHECK SIGNAL CABLE OR H802 PIN 3 4 DATA OUTPUT CHECK Q102 GOOD OR FAIL CHECK THE VOLTAGE OF IC801 PIN 7 15 18 21 ABOUT 12V CHECK IC401 PIN 16 OUTPUT CHECK IC801 ...

Page 19: ... CHECK THE 12V PIN OF SMPS ON MAIN PCB RELATIVE CIRCUIT OF P802 CONNECTOR ABOUT 400V TO 700V EXCEED 700V OF IC801 CHECK FBT CRT RELATIVE CIRCUIT OR REFER ITEM 7 1 VIDEO PCB ABOUT 80V CHECK THE 80V RELATIVE CIRCUIT CHECK VIDEO IC801 VCC ABOUT 12V OF IC801 PIN 18 20 23 ABOUT 3Vpp CHECKTHE VQ802 Q807 CHECK THE OUTPUT VOLTAGE OF IC801 PIN 16 19 22 ABOUT 3Vpp CHECK THE VOLTAGE OF FBT SCREEN ABOUT 500V ...

Page 20: ...ELATIVE CIRCUIT CHECK IC401 PIN 26 31 CHECK Q402 T401 CHECK T401 T402 Q402 Q403 OF Q402 ABOUT 40Vpp OF Q403 ABOUT 1100Vpp AT FH 31KHz D408 C418 C419 H DY CHECK IC401 PIN 10 ABOUT 11 5 VDC CHECK IC401 PIN 8 WAVE FORM ABOUT 10Vpp CHECK IC401 PIN 10 RELATIVE CIRCUIT CHECK THE RELATIVE CIRCUIT OF D424 C451 R497 ON MAIN PCB CHECK IC801 PIN 16 ON VIDEO PCB CHECK G1 RELATIVE CIRCUIT Q704 R718 C713 ON MAI...

Page 21: ...NORMAL HORIZONTAL RASTER CENTER P403 AND JUMPER CHECK T903 D926 D927 R964 R968 3 ABNORMAL HORIZONTAL VIDEO CENTER CHECK IC101 PIN 9 10 IC401 PIN 18 19 4 ABNORMAL HORIZONTAL LINEARITY CHECK L401 Q407 R447 C448 AND IC101 PIN 20 21 22 23 CS SWITCHER IC403 Q410 Q411 Q420 CHECK THE RELATIVE CIRCUIT OF Q409 CHECK THE RELATIVE CIRCUIT OF SMPS Q408 IC401 PIN4 5 6 VR902 CHECK THE HV OF CRT ABOUT 25KV CHECK...

Page 22: ...UTPUT ABOUT 38Vpp CHECK ZD601 ZD602 R626 SMPS CHECK IC401 PIN 22 23 24 CHECK IC401 PIN 12 13 2 VERTICAL CENTER NG READJUST V CENTER CHECK IC101 PIN 9 10 IC401 PIN 18 19 6 7 SIDE PIN CUSHION DISTORTION NG READJUST SIDEPIN CHECK IC401 Q404 Q405 Q406 RELATIVE CKT 6 8 POOR FOCUS READJUST FOCUS CONTROL NG CHECK FOCUS CONTROL UNIT FOCUS LEAD WIRE CRT SOCKET CRT CHECK SMPS RELATIVE CIRCUIT CHECK IC401 Q4...

Page 23: ... CIRCUIT 6 3V CIRCUIT CHECK START C K T CHECK POWER SAVING C K T OFF MODE CHECK IC401 CHECK D919 CHECK Q911 Q911 FAILURE CHECK Q901 CHECK IC901 CHECK AC LINE VOLT 120V OR 220V CHECK F901 SW901 CHECK LINE RECTIFIED SMOOTHED VOLT CHECK Q901 IC901 FAILURE CHECK T901 O P MAKE SURE THAT THE VARIABLE OK D909 Q904 R922 R925 CHECK Q912 Q914 Q915 PIN 4 5 6 B DRIVER OUTPUT IS NOT SHORTED VOLTAGE 55V CHECK T...

Page 24: ... 33 7 MECHANICAL OF CABINET FRONT DIS ASSEMBLY ...

Page 25: ...581 26 704 FOR CARTON PALLET 40A 581 624 10A H V LABEL 40A 581 695 1A SERIAL LABEL 40A 581 695 4A UK LABEL 40A 581 695 15A FRONT LABEL HM703UT 40A2048 695 1B ID LABEL 41A 710 695 3B MANUAL 44A3239 1 EPS CUSHION 44A3239 2 EPS CUSHION 44A6703 695 10B CARTON 45A 76 20 Y PE BAG FOR 17 MONITOR 45A 76 28 Y PE BAG FOR MANNAL 45A 76 34 Y PE BAG FOR 17 19 BASE 45A 77 3 TRANSPARENT SHEET B791VZIWYIN1Z 17 CO...

Page 26: ... 4 128 SCREW 9A 203 9 PIN 11A 141 1 PCB SUPPORT 15A5640 1 A B AL GND LUG 40A 581 26 702 FAIL SAFE LABEL 40A 581 624 2A CHASSIS LABEL 55A 1 4 SOLDER BAR 71A 100 9 CORE 95A 900 12 HARNESS 95A 900 511 WIRE HARNESS B1A1030 8 128 SCREW B1A1040 10 128 SCREW 4 10 FBT D1A1140 7 128 SCREW 4X7 FOR AC M1A1140 6 128 SCREW 705A791A C56 01B IC904 ASS Y 705A791A C57 01D Q901 ASS Y 705A791A C57 02D Q408 ASS Y 705...

Page 27: ...65A 1K 561 5T 560PF 10 Y5P 1KV C710 65A 1K 561 5A 560 PF 10 1KV Y5P C710 65A 1K 561 5T 560PF 10 Y5P 1KV C711 67A 309 100 11 10UF 20 200V C724 67A 309 100 7T 10UF 20 50V C728 67A 305 101 9 100UF 100V 20 105 C901 63A 107 224 5 0 22UF 250V TEAPO C901 63A 107 224 10 22UF 20 250V AC FOR C902 65A305M 332 2B2 3300PF 250VAC 400VAC C902 65A305M 332 2BH 3300PF 250VAC 401VAC C903 65A305M 332 2B2 3300PF 250VA...

Page 28: ... IC IC102 56A1133 14 AT24C08 10PC IC102 56A1133 508 M24C08 BN6 IC201 56A 192 4 C 8P IC LM358N NS IC201 56A 192 6 LM358N ST IC401 56A 552 1 TDA4856 BY PHILIPS IC401 56A 552 2 TDA4841PS PHILIPS IC402 56A 580 1 TC4538BP IC701 56A 192 4 C 8P IC LM358N NS IC901 56A 379 12 A 8PIN IC UC3842AM LIN IC903 56A 139 3 A PC123FY2 BY SHARP IC905 56A 538 5 MC33260P IC906 56A 192 4 C 8P IC LM358N NS J137 95A 90 23...

Page 29: ... OHM 5 3W R440 61A152M 272 64 2 7KOHM 2W R441 61A153M 339 59 3 3 OHM 3W R442 61A153M 209 59 2 OHM 3W MOF R449 61A 301 109 64 1 OHM 5 1 2W R453 61A152M 330 64 33 OHM 5 2W R467 61A153M 221 59 220 OHM 5 3W R482 61A152M 470 64 47 OHM 5 2W R483 61A153M 121 59 120 OHM 5 3W R498 61A153M 121 59 120 OHM 5 3W R606 61A 208 479 64 4 7 OHM 5 1W R609 61A 208 479 64 4 7 OHM 5 1W R614 61A152M 121 64 120 OHM 5 2W ...

Page 30: ... 450 104 7T 0 1UF 80 20 50V Y5V C201 67A 309 101 3T E C 100UF 20 16V C202 65A 450 104 7T 0 1UF 80 20 50V Y5V C203 67A 309 100 7T 10UF 20 50V C204 67A 309 101 3T E C 100UF 20 16V C205 65A 450 104 7T 0 1UF 80 20 50V Y5V C206 67A 309 100 7T 10UF 20 50V C208 64A178J 224 0T 0 22UF 50V 5 C208 64A701J 224 0AT 0 22uF 50V 5 C402 67A 309 470 7T 47UF 20 50V C403 67A 309 220 7T 22UF 20 50V C404 64A176J 103 1T...

Page 31: ... 20 50V C708 67A 309 100 7T 10UF 20 50V C712 67A 309 101 4T 100UF 20 25V C713 63A212J 104 2AT MPE 0 1UF 250V 5 C713 64A176J 104 2T 1UF 5 250V C714 67A 309 100 9T 10UF 20 100V C717 67A 309 100 7T 10UF 20 50V C718 65A 444 222 13T 2200PF 10 Z5P 50V C719 64A176J 103 1T 0 01UF 5 100V C720 67A 309 100 7T 10UF 20 50V C721 67A 309 100 7T 10UF 20 50V C722 65A 442 101 13T 100PF 5 NPO 50V C723 64A176J 154 0T...

Page 32: ...52 47P 52T 1N4004 D416 93A 52 47P 52T 1N4004 D417 93A 64 11 52T DIODE 1N4148 D418 93A 64 11 52T DIODE 1N4148 D419 93A 64 11 52T DIODE 1N4148 D420 93A 64 11 52T DIODE 1N4148 D422 93A 64 11 52T DIODE 1N4148 D424 93A1040 3 52T FF1004 D424 93A1040 3Z 52T F R D TBA157 1A 400V D426 93A 64 11 52T DIODE 1N4148 D427 93A 64 11 52T DIODE 1N4148 D428 93A 64 11 52T DIODE 1N4148 D431 93A 52 1P 52T 1N4005 D601 9...

Page 33: ...COATED J015 95A 90 23 TIN COATED J018 95A 90 23 TIN COATED J019 95A 90 23 TIN COATED J020 95A 90 23 TIN COATED J021 95A 90 23 TIN COATED J022 95A 90 23 TIN COATED J023 95A 90 23 TIN COATED J024 95A 90 23 TIN COATED J025 95A 90 23 TIN COATED J027 95A 90 23 TIN COATED J028 95A 90 23 TIN COATED J029 95A 90 23 TIN COATED J031 95A 90 23 TIN COATED J032 95A 90 23 TIN COATED J033 95A 90 23 TIN COATED J03...

Page 34: ...093 95A 90 23 TIN COATED J094 95A 90 23 TIN COATED J095 95A 90 23 TIN COATED J096 95A 90 23 TIN COATED J097 95A 90 23 TIN COATED J098 95A 90 23 TIN COATED J099 95A 90 23 TIN COATED J100 95A 90 23 TIN COATED J101 95A 90 23 TIN COATED J102 95A 90 23 TIN COATED J103 95A 90 23 TIN COATED J104 95A 90 23 TIN COATED J105 95A 90 23 TIN COATED J106 95A 90 23 TIN COATED J108 95A 90 23 TIN COATED J109 95A 90...

Page 35: ...PING Q205 57A 419 SG T KSC945C G TA FAIRCHILD Q206 57A 619 1 T 2SA673AC HITACHI Q206 57A 727 2 T 2SA673C Q402 57A 420 P T TRAN 2SA733P NEC TAPING Q402 57A 420 SG T KSA733C G TA FAIRCHILD Q403 57A 419 P T TRAN 2SC945P NEC TAPING Q403 57A 419 SG T KSC945C G TA FAIRCHILD Q404 57A 420 P T TRAN 2SA733P NEC TAPING Q404 57A 420 SG T KSA733C G TA FAIRCHILD Q405 57A 419 P T TRAN 2SC945P NEC TAPING Q405 57A...

Page 36: ...945C G TA FAIRCHILD Q913 57A 419 P T TRAN 2SC945P NEC TAPING Q913 57A 419 SG T KSC945C G TA FAIRCHILD R101 61A 602 103 52T 10K OHM 5 1 6W R112 61A 602 100 52T 10 OHM 5 1 6W R113 61A 602 100 52T 10 OHM 5 1 6W R114 61A 602 102 52T 1K OHM 5 1 6W R115 61A 602 102 52T 1K OHM 5 1 6W R120 61A 602 222 52T 2 2K OHM 5 1 6W R124 61A 602 103 52T 10K OHM 5 1 6W R125 61A 602 103 52T 10K OHM 5 1 6W R126 61A 172 ...

Page 37: ...02 101 52T 100 OHM 5 1 6W R424 61A 602 332 52T 3 3K OHM 5 1 6W R425 61A 210 621 52T 620 OHM 1 6W 1 R426 61A 210 272 52T 2 7K OHM 1 1 6W R427 61A 602 512 52T 5 1K OHM 5 1 6W R428 61A 602 393 52T 39K OHM 5 1 6W R429 61A 602 473 52T 47K OHM 5 1 6W R430 61A 602 153 52T 15K OHM 5 1 6W R431 61A 172 222 52T 2 2K OHM 5 1 4W R433 61A 172 560 52T 56 OHM 5 1 4W R434 61A 602 472 52T 4 7K OHM 5 1 6W R437 61A17...

Page 38: ... R623 61A 602 682 52T 6 8K OHM 5 1 6W R624 61A 172 182 52T 1 8K OHM 5 1 4W R625 61A 602 100 52T 10 OHM 5 1 6W R626 61A 602 101 52T 100 OHM 5 1 6W R627 61A 172 150 52T 15 OHM 5 1 4W R701 61A 172 104 52T 100K OHM 5 1 4W R702 61A175L 102 52T 1K OHM 5 1 2W R703 61A 602 102 52T 1K OHM 5 1 6W R704 61A 602 223 52T 22K OHM 5 1 6W R706 61A212Y 105 52T 1M OHM 5 1 2W Metal gl R707 61A175L 274 52T 270K OHM 5 ...

Page 39: ...K OHM 5 1 6W R930 61A 602 223 52T 22K OHM 5 1 6W R931 61A 172 363 52T 36K OHM 5 1 4W R932 61A 602 472 52T 4 7K OHM 5 1 6W R933 61A 602 223 52T 22K OHM 5 1 6W R934 61A 602 223 52T 22K OHM 5 1 6W R935 61A 602 103 52T 10K OHM 5 1 6W R936 61A 172 561 52T 560 OHM 5 1 4W R937 61A 602 223 52T 22K OHM 5 1 6W R939 61A 210 272 52T 2 7K OHM 1 1 6W R940 61A175L 103 52T 10K OHM 5 1 2W R941 61A 172 391 52T 390 ...

Page 40: ...0 1UF 5 63V C804 67A 309 221 3T 220UF 20 16V C805 67A 309 101 3T E C 100UF 20 16V C806 67A 309 101 3T E C 100UF 20 16V C807 65A 450 104 7T 0 1UF 80 20 50V Y5V C809 67A 309 109 7T 1 0UF 20 50V C813 65A 450 104 7T 0 1UF 80 20 50V Y5V C814 65A 444 102 13T 1000PF 10 Y5P 50V C817 64A700J 103 0AT 0 01UF 50V 5 C818 64A176J 104 0T 0 1UF 5 63V C820 65A 450 104 7T 0 1UF 80 20 50V Y5V C821 65A 450 104 7T 0 1...

Page 41: ...2T FAST RECOVERY DIODE BAV2 D853 93A 64 19G 52T BAV21 G I D853 93A 64 507 52T FAST RECOVERY DIODE BAV2 D854 93A 64 19G 52T BAV21 G I D854 93A 64 507 52T FAST RECOVERY DIODE BAV2 D855 93A 64 19G 52T BAV21 G I D855 93A 64 507 52T FAST RECOVERY DIODE BAV2 D856 93A 64 11 52T DIODE 1N4148 D857 93A 64 11 52T DIODE 1N4148 D858 93A 64 11 52T DIODE 1N4148 D859 95A 90 23 TIN COATED D860 95A 90 23 TIN COATED...

Page 42: ...602 203 52T 20K OHM 5 1 6W R819 95A 90 23 TIN COATED R821 61A 172 151 52T 150 OHM 5 1 4W R822 61A 602 101 52T 100 OHM 5 1 6W R823 61A 602 101 52T 100 OHM 5 1 6W R824 61A 602 100 52T 10 OHM 5 1 6W R825 61A 602 100 52T 10 OHM 5 1 6W R826 61A 602 100 52T 10 OHM 5 1 6W R827 61A 602 471 52T 470 OHM 5 1 6W R828 61A 602 103 52T 10K OHM 5 1 6W R829 61A 602 103 52T 10K OHM 5 1 6W R830 61A 602 562 52T 5 6K ...

Page 43: ...93 1 REAR BRACKET 85A 589 1 CRPC SHIELD B1A1030 8 128 SCREW C305 65AUP05 104 7TM 0 1uF 50V 65V MULTILAYER C308 65AUP05 561 2T X7R 560PF 50V 10 C309 65AUP05 561 2T X7R 560PF 50V 10 C313 65AUP05 104 7TM 0 1uF 50V 65V MULTILAYER C318 65AUP05 561 2T X7R 560PF 50V 10 C319 65AUP05 561 2T X7R 560PF 50V 10 C323 67A 305 471 3 470UF 20 16V C323 67A305M 471 3 470UF 16V C326 65AUP05 104 7TM 0 1uF 50V 65V MULT...

Page 44: ... 602 750 52T 75 OHM 5 1 6W R302 61A 602 750 52T 75 OHM 5 1 6W R303 61A 602 750 52T 75 OHM 5 1 6W R304 61A 602 472 52T 4 7K OHM 5 1 6W R305 61A 602 472 52T 4 7K OHM 5 1 6W R306 61A 602 102 52T 1K OHM 5 1 6W R307 61A 602 102 52T 1K OHM 5 1 6W R308 61A 602 102 52T 1K OHM 5 1 6W R309 61A 602 472 52T 4 7K OHM 5 1 6W R310 61A 602 472 52T 4 7K OHM 5 1 6W R311 61A 602 330 52T 33 OHM 5 1 6W R312 61A 602 33...

Page 45: ... ASS Y 90A 361 3 HEAT SINK M1A1730 8 128 SCREW M3x8 Q429 57A 610 501 IRF640A BY FAIRCHILD 705A791VC5601C IC601 ASS Y 5A 71 1 TRANSISTOR HOUSING 12A 386 1 M12 90A 348 499 A HEAT SINK M1A1730 12 128 SCREW IC601 56A 533 1 VERT OUT IC TDA8172 SG IC601 56A 574 1 TDA9302H BY SGS 705A791VC5601D IC907 ASS Y 2A6003 1 SCREW NUT 90A6015 1 HEAT SINK M1A1730 8 128 SCREW M3x8 IC907 56A 133 5 ST VOLT REG L7805CV...

Page 46: ... 1 5NF 2KV 5 C449 63A210J1528CJ MPSA 1500PF 2KV 5 C435 63A210J3043FC 3UF 400V 5 C435 63A210J3042CC 0 3UF 250V C437 63A210J7542DH MPS 0 75UF 250V 5 C435 63A210J3042CM 0 3UF 250V PMH C207 64A176J152 1T 1500PF 100V C437 63A210J7542DC 0 75UF 250V C411 64A176J474 1T 47UF 5 100V C207 64A178J152 1T MPE 5600PF 100V 5 D429 93A1002 1W52T 1N5817 C411 64A178J474 1T C121X 0 47UF 100V 5 EE 95A 201 69062 WIRE HA...

Page 47: ...yama CMA791V1NHB CHASSIS A791V 1HB PFC IIYAMA 19A 506 2 STEEL WIRE SPRING 19A 506 5 SPRING 23A3178695 2A LOGO 33A4202 77 T POWER KNOB IIYAMA SPECIAL COLOR 33A4268 R4 T KEY PAD IIYAMA SILVERY 33A4203 1 LENS 33A4269 R4 T KEY OPQ IIYAMA SILVERY 33A4204 77 T KEY PAD IIYAMA SPECIAL COLOR 33A4270 1 POWER LENS 33A4205 77 1T SCREW COVER R IIYAMA SPECIAL COLOR 33A4340 R4 T POWER KNOB IIYAMA SILVERY 33A4205...

Page 48: ...542DC 0 75UF 250V EE 95A 201 69062 WIRE HARNESS C437 63A210J7542DH MPS 0 75UF 250V 5 SS1 95A205T 3006A Wire Harness C431 63A210J8232CC 0 082UF 250V 705A791AC5601S IC904 ASS Y C431 63A210J8232CM 0 082UF 5 250V BY MYLAR 705A791AC5702E Q429 ASS Y C439 63A210J8242CC 0 82Uf 5 250V PMH 705A791AC5702H Q410 ASS Y C439 63A210J8242CM 0 82Uf 5 250V PMH C207 64A176J152 1T 1500PF 100V 705A791VC56 1A IC907 ASS ...

Page 49: ...0 352T FF1004 C709 65A 1K561 5T 560PF 10 Y5P 1KV D713 93A1040 352T FF1004 C710 65A 1K561 5T 560PF 10 Y5P 1KV D708 93A1040 352T FF1004 C425 65A 2K101 5T 100PF 2KV D408 93A1040 352T FF1004 C427 65A517K222 1T 2 2NF 500V Z5F 10 D702 93A1040 352T FF1004 C422 67A 305220 9T 22Uf 100V 105C D424 93A1040 352T FF1004 C928 67A 305331 3T 330UF 16V D410 93A1040 352T FF1004 C724 67A 309100 7T 10UF 20 50V D409 93...

Page 50: ...CRT SUPPORT 33A6906 1 SUPPORT 34A 833B77 T FRONT PANEL 34A 833C77 T FRONT PANEL 40A 154501 1 HI POT GND LABEL FOR MONITOR 40A 58169510A FRONT LABEL HF703UT 40A 58169515A FRONT LABEL HM703UT 40A2046695 1B ID LABEL 40A2048695 1B ID LABEL 85A 576501 T CRPC SHELD 45A 77510 CRT PROTECT FILM 95A 91205661 WIRE 71A 100 12 CORE 750A1697504 KA 0 35 90TS DEG COIL 71A 100 12 T CORE 750A57152AV TOSHIBA 17 0 25...

Page 51: ...PF 1KV Y5P 10 750A57152AVP7H 17 TCO ASS Y C710 65A 1K561 5T 560PF 10 Y5P 1KV C709 65A 1K561 5T 560PF 10 Y5P 1KV C953 65A 1M103 3T 01UF 1KV C425 65A 2K101 5A 100P 2KV C425 65A 2K101 5T 100PF 2KV C709 65A 2K271 5A 270PF 2KV 10 Y5P C903 65A305M3322BH Y2 capacitance C902 65A305M3322BH Y2 capacitance C905 65A305M4722BH Y2 0 0047UF 400VAC 20 C916 65A517M103 3A 0 01uF 20 Z5U 500V C916 65A517M103 3T 10NF ...

Page 52: ...1 6W C407 67A 309471 3T 470UF 20 16V R204 61A 60243252T 4 3K OHM 5 1 6W C606 67A 309471 3T 470UF 20 16V R212 61A 60243252T 4 3K OHM 5 1 6W C460 67A305M101 3T 100UF 20 16U R203 61A 60247352T 47K OHM 5 1 6W C403 67A305M220 7T 22UF 50V R211 61A 60247352T 47K OHM 5 1 6W C416 67A305M478 7T 0 47UF 50V R218 61A175L10152T 100 OHM 5 1 2W ZD701 93A 3951852T TZX8V2A R217 61A175L10152T 100 OHM 5 1 2W D424 93A...

Page 53: ...7233052T 33 OHM 5 1 4W R871 61A 17251052T 510HM 5 1 4W R871 61A 17233052T 33 OHM 5 1 4W C816 67A 309101 3T E C 100UF 20 16V C809 67A 309109 7T 1 0UF 20 50V C809 67A 309479 7T 4 7UF 20 50V L802 71A 55 9 T SHIELD BEAD L850 73A 5422810T 0 22UH 10 D854 93A 6450752T FAST RECOVERY DIODE BAV21 L852 73A 5422810T 0 22UH 10 D855 93A 6450752T FAST RECOVERY DIODE BAV21 L851 73A 5422810T 0 22UH 10 D853 93A 645...

Page 54: ... 63 9 IC BLOCK DIAGRAM IC101 NT6861 VCC MODE WC SCL SDA VSS E2 E1 PRE 24C08 IC102 8 7 6 5 1 2 3 4 ...

Page 55: ...OR 2 I C BUS REGISTERS AND SOFT START PROTECTION V SIZE VOVSCN V POSITION V LINEARITY BALANCE V LINEARITY V OUTPUT H SIZE H TRAPEZIUM H CORNER H PINCUSHION EW OUTPUT EHT COMPENSATION AND AGC OSCILLATOR VERTICAL INTEGRATOR V SYNC CORRECTION AND POLARITY H C SYNC INPUT REFERENCE AND SUPPLY 2 RECEIVER I C BUS OUTPUT HUNLOCK AND V BLANK CLAMPING VIDEO CORRECTION AND POLARITY V SYNC INPUT IC901 3842 VC...

Page 56: ...I2 C BUS RECEIVER BUS CONTROL BUFFER ROM RAM FONT12 8 DISPLAY EFFECT VSYNC HSYNC VERTICAL CONTROL DISPLAY MEMORY OUTPUT PLL TIMING GENERATOR CONTROL REG COLOR CONTROL TEST CIRCUIT HORIZONTAL POWER SYSTEM PWM Dibo ofm POWER ON LOW VOLTAGE NT6828 Block Diagram IC802 ...

Page 57: ... 66 10 CRT BOARD LAYOUT ...

Page 58: ...419 1N4148 R718 R491 1 4W 100 HZ20 ZD903 C458 1KV 0 01 R932 4K7 R490 10 R715 R854 1 4W 27 L850 0 47UF R855 1 4W 27 R856 1 4W 27 L851 0 47UF 52T 93A64 507 D854 C854 100V 1UF 1 4W 15K R862 1N4148 D407 1N4148 D858 L904 30UH D424 R933 22K 1 4W 1M R859 R457 2K2 C945 Q703 1K R131 C855 100V 1UF 1 2W 47 R874 SG802 BF422 Q852 C933 25V 470UF L907 30UH 0 1 C861 10K R868 1N4148 D861 100V 1UF C867 R813 NC NT68...

Page 59: ...903 C458 1KV 0 01 R932 4K7 R490 10 R715 R854 1 4W 27 L850 0 47UF R855 1 4W 27 R856 1 4W 27 L851 0 47UF 52T 93A64 507 D854 C854 100V 1UF 1 4W 15K R862 1N4148 D407 1N4148 D858 L904 47UH D424 R933 22K 1 4W 1M R859 R457 2K2 C945 Q703 1K R131 C855 100V 1UF 1 2W 47 R874 SG802 BF422 Q852 C933 25V 470UF L907 47UH 0 1 C861 10K R868 1N4148 D861 100V 1UF C867 R813 NT6828 00024 IC802 1 2 3 4 5 6 7 8 9 10 11 1...

Page 60: ...718 R491 1 4W 100 HZ20 ZD903 C458 1KV 0 01 R932 4K7 R490 10 R715 R854 1 4W 27 L850 0 47UF R855 1 4W 27 R856 1 4W 27 L851 0 47UF 52T 93A64 507 D854 C854 100V 1UF 1 4W 15K R862 1N4148 D407 1N4148 D858 L904 30UH D424 R933 22K 1 4W 1M R859 R457 2K2 C945 Q703 1K R131 C855 100V 1UF 1 2W 47 R874 SG802 BF422 Q852 C933 25V 470UF L907 30UH 0 1 C861 10K R868 1N4148 D861 100V 1UF C867 R813 NC NT6828 00024 IC8...

Page 61: ...457 2K2 C945 Q703 1K R131 C855 100V 1UF 1 2W 47 R874 SG802 BF422 Q852 C933 25V 470UF L907 47UH 0 1 C861 10K R868 1N4148 D861 100V 1UF C867 R813 NT6828 00024 IC802 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 R815 C716 R492 1 4W 4K7 D420 1N4148 R741 1 4W 100 R432 1W 270 C715 R716 R717 C727 R477 200K R478 200K 10K R829 10K R828 R479 200K R480 200K R736 18K R738 10 Q428 K1119 D421 BYM26E IC903 ...

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